Add new internal API to enable extra video convert element
[platform/core/api/mediacodec.git] / src / media_codec_port_gst.c
old mode 100755 (executable)
new mode 100644 (file)
index 9a87d96..e2954ec
 /*
-* Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
-*
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-*
-* http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  *
  */
-#include <glib.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <dlog.h>
 #include <media_codec_queue.h>
 #include <media_codec_port_gst.h>
+#include <media_packet_internal.h>
 #include <media_codec_util.h>
 
 #include <gst/gst.h>
 #include <gst/gstelement.h>
 #include <gst/app/gstappsrc.h>
+#include <gst/pbutils/pbutils.h>
+#include <gst/tag/tag.h>
 
-#ifdef TIZEN_PROFILE_LITE
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <linux/ion.h>
-#endif
-
-#define ALIGN(x, a)       (((x) + (a) - 1) & ~((a) - 1))
 /*
-* Internal Implementation
-*/
+ * Internal Implementation
+ */
 static gpointer feed_task(gpointer data);
+static void _mc_gst_feed_task_new(mc_gst_core_t *core);
+static void _mc_gst_feed_task_free(mc_gst_core_t *core);
 static void __mc_gst_stop_feed(GstElement *pipeline, gpointer data);
 static void __mc_gst_start_feed(GstElement *pipeline, guint size, gpointer data);
 static media_packet_h _mc_get_input_buffer(mc_gst_core_t *core);
 
 static gboolean __mc_gst_init_gstreamer();
 static int _mc_output_media_packet_new(mc_gst_core_t *core, bool video, bool encoder, media_format_mimetype_e out_mime);
-static mc_ret_e _mc_gst_create_pipeline(mc_gst_core_t *core, gchar *factory_name);
+static mc_ret_e _mc_gst_create_pipeline(mc_gst_core_t *core, const gchar *factory_name);
 static mc_ret_e _mc_gst_destroy_pipeline(mc_gst_core_t *core);
 static void __mc_gst_buffer_add(GstElement *element, GstBuffer *buffer, GstPad *pad, gpointer data);
 static int __mc_output_buffer_finalize_cb(media_packet_h packet, int error_code, void *user_data);
-static void _mc_gst_update_caps(mc_gst_core_t *core, media_packet_h pkt, GstCaps **caps, GstMCBuffer* buff, bool codec_config);
-static GstMCBuffer *_mc_gst_media_packet_to_gstbuffer(mc_gst_core_t *core, GstCaps **caps, media_packet_h pkt, bool codec_config);
-static int _mc_gst_gstbuffer_to_appsrc(mc_gst_core_t *core, GstMCBuffer *buff);
-static gchar *__mc_get_gst_input_format(media_packet_h packet, bool is_hw);
-static media_packet_h __mc_gst_make_media_packet(mc_gst_core_t *core, unsigned char *data, int size);
+static gboolean _mc_update_packet_info(mc_gst_core_t *core, media_format_h format);
+static GstMCBuffer *_mc_gst_media_packet_to_gstbuffer(mc_gst_core_t *core, media_packet_h packet, bool codec_config);
+static int _mc_gst_gstbuffer_to_appsrc(mc_gst_core_t *core, GstMCBuffer *mcbuffer);
+static gchar *__mc_get_gst_input_format(media_format_mimetype_e mimetype, bool is_hw);
+static GstMCBuffer *__mc_gst_make_media_packet(mc_gst_core_t *core, GstBuffer *buffer);
 static gboolean __mc_gst_bus_callback(GstBus *bus, GstMessage *msg, gpointer data);
 static GstBusSyncReply __mc_gst_bus_sync_callback(GstBus *bus, GstMessage *msg, gpointer data);
-static MMVideoBuffer *__mc_gst_make_tbm_buffer(mc_gst_core_t *core, media_packet_h pkt);
-static GstMCBuffer *gst_mediacodec_buffer_new(mc_gst_core_t* core, media_packet_h pkt, uint64_t size);
-static void gst_mediacodec_buffer_finalize(GstMCBuffer *buffer);
-static int __mc_set_caps_streamheader(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer*buff, guint streamheader_size);
-static int __mc_set_caps_codecdata(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer*buff, guint codecdata_size);
+static GstMemory *__mc_gst_make_tbm_buffer(mc_gst_core_t *core, GstMCBuffer *mcbuffer);
+static GstMCBuffer *gst_mediacodec_buffer_new(mc_gst_core_t *core, media_packet_h packet, uint64_t size);
+static void __mc_input_buffer_finalize_cb(GstMCBuffer *buffer);
+static int __mc_set_caps_streamheader(mc_gst_core_t *core, GstMCBuffer *mcbuffer, guint streamheader_size);
+static int __mc_set_caps_codecdata(mc_gst_core_t *core, GstMCBuffer *mcbuffer, guint codecdata_size);
+static void __mc_push_output_to_queue(mc_gst_core_t *core, GstMCBuffer *mcbuffer);
+static int __mc_gst_create_eos_packet(media_format_h fmt, GstMCBuffer *mcbuffer);
+static void _mc_gst_handle_input_buffer_used(mc_gst_core_t *core, media_packet_h packet);
+static gboolean _mc_gst_video_info_check_and_new(mc_gst_core_t *core, GstMCBuffer *mcbuffer);
+static void _mc_gst_video_info_free(mc_gst_core_t *core);
+static void _mc_gst_video_meta_add(mc_gst_core_t *core, GstBuffer *buffer);
 
 static gint __gst_handle_stream_error(mc_gst_core_t *core, GError *error, GstMessage *message);
 static gint __gst_transform_gsterror(mc_gst_core_t *core, GstMessage *message, GError *error);
 static gint __gst_handle_resource_error(mc_gst_core_t *core, int code);
 static gint __gst_handle_library_error(mc_gst_core_t *core, int code);
 static gint __gst_handle_core_error(mc_gst_core_t *core, int code);
+static const gchar * _mc_error_to_string(mc_ret_e err);
+static const gchar * _mc_bit_to_string(int bit);
 
 static int _mc_link_vtable(mc_gst_core_t *core, mediacodec_codec_type_e id, gboolean is_encoder, gboolean is_hw);
-#ifdef TIZEN_PROFILE_LITE
-static int __tbm_get_physical_addr_bo(tbm_bo_handle tbm_bo_handle_fd_t, int *phy_addr, int *phy_size);
-#endif
-static void _mc_gst_flush_buffers(mc_gst_core_t *core);
+static int _mc_gst_flush_buffers(mc_gst_core_t *core);
 static void _mc_gst_set_flush_input(mc_gst_core_t *core);
 static void _mc_gst_set_flush_output(mc_gst_core_t *core);
 
+#ifdef TIZEN_EXYNOS_SPECIFIC
 static int __tile_4x2_read(int x_size, int y_size, int x_pos, int y_pos);
 static void __csc_tiled_to_linear_crop(unsigned char *yuv420_dest,
-    unsigned char *nv12t_src, int yuv420_width, int yuv420_height,
-    int left, int top, int right, int buttom);
+               unsigned char *nv12t_src, int yuv420_width, int yuv420_height,
+               int left, int top, int right, int buttom);
+#endif
 
 static void _mc_send_eos_signal(mc_gst_core_t *core);
 static void _mc_wait_for_eos(mc_gst_core_t *core);
+static int _mc_get_mime(mc_gst_core_t *core);
+static int _mc_set_codec_data(mc_gst_core_t *core, GstMCBuffer *mcbuffer, bool codec_config);
+static gboolean _mc_gst_vid_caps_new(mc_gst_core_t *core, mediacodec_codec_type_e codec_id, gint index);
+static gboolean _mc_gst_aud_caps_new(mc_gst_core_t *core, mediacodec_codec_type_e codec_id, gint index);
 
-/* video vtable */
-int(*vdec_vtable[])() = {&__mc_fill_inbuf_with_packet, &__mc_fill_vdec_packet_with_outbuf,  &__mc_vdec_caps};
-int(*venc_vtable[])() = {&__mc_fill_inbuf_with_packet, &__mc_fill_venc_packet_with_outbuf, &__mc_venc_caps};
-
-
-int(*vdec_h264_sw_vtable[])() = {&__mc_fill_inbuf_with_packet,                  /* FFMPEG H.264 Decoder Vtable */
-                                  &__mc_fill_vdec_packet_with_outbuf,
-                                  &__mc_vdec_caps};
-int(*vdec_h264_hw_vtable[])() = {&__mc_fill_inbuf_with_packet,                  /* SPRD H.264 Decoder Vtable */
-                                  &__mc_fill_video_packet_with_mm_video_buffer,
-                                  &__mc_h264dec_caps};
-int(*venc_h264_hw_vtable[])() = {&__mc_fill_inbuf_with_mm_video_buffer,         /* SPRD H.264 Encoder Vtable */
-                                  &__mc_fill_venc_packet_with_outbuf,
-                                  &__mc_venc_caps};
-int(*vdec_mpeg4_sw_vtable[])() = {&__mc_fill_inbuf_with_packet,                 /* FFMPEG MPEG4 Decoder Vtable */
-                                  &__mc_fill_vdec_packet_with_outbuf,
-                                  &__mc_vdec_mpeg4_caps};
-int(*vdec_mpeg4_hw_vtable[])() = {&__mc_fill_inbuf_with_packet,                 /* SPRD MPEG4 Decoder Vtable */
-                                  &__mc_fill_video_packet_with_mm_video_buffer,
-                                  &__mc_sprddec_mpeg4_caps};
-int(*venc_mpeg4_sw_vtable[])() = {&__mc_fill_inbuf_with_venc_packet,            /* SPRD MPEG4 Encoder Vtable */
-                                  &__mc_fill_venc_packet_with_outbuf,
-                                  &__mc_venc_caps};
-int(*venc_mpeg4_hw_vtable[])() = {&__mc_fill_inbuf_with_mm_video_buffer,        /* SPRD MPEG4 Encoder Vtable */
-                                  &__mc_fill_venc_packet_with_outbuf,
-                                  &__mc_sprdenc_mpeg4_caps};
-int(*vdec_h263_sw_vtable[])() = {&__mc_fill_inbuf_with_packet,                  /* FFMPEG MPEG4 Decoder Vtable */
-                                  &__mc_fill_vdec_packet_with_outbuf,
-                                  &__mc_vdec_h263_caps};
-int(*vdec_h263_hw_vtable[])() = {&__mc_fill_inbuf_with_packet,                 /* SPRD MPEG4 Decoder Vtable */
-                                  &__mc_fill_video_packet_with_mm_video_buffer,
-                                  &__mc_sprddec_mpeg4_caps};
-int(*venc_h263_sw_vtable[])() = {&__mc_fill_inbuf_with_venc_packet,            /* SPRD MPEG4 Encoder Vtable */
-                                  &__mc_fill_venc_packet_with_outbuf,
-                                  &__mc_venc_caps};
-int(*venc_h263_hw_vtable[])() = {&__mc_fill_inbuf_with_mm_video_buffer,        /* SPRD MPEG4 Encoder Vtable */
-                                  &__mc_fill_venc_packet_with_outbuf,
-                                  &__mc_sprdenc_mpeg4_caps};
-
-/* audio vtable */
-int(*aenc_vtable[])() = {&__mc_fill_inbuf_with_packet, &__mc_fill_packet_with_outbuf, &__mc_aenc_caps};
-int(*adec_vtable[])() = {&__mc_fill_inbuf_with_packet, &__mc_fill_packet_with_outbuf, &__mc_adec_caps};
-
-int(*aenc_aac_vtable[])() = {&__mc_fill_inbuf_with_packet,                    /* AAC LC Encoder vtable */
-                              &__mc_fill_packet_with_outbuf,
-                              &__mc_aenc_aac_caps};
-int(*adec_aac_vtable[])() = {&__mc_fill_inbuf_with_packet,                    /* AAC LC Decoder Vtable */
-                              &__mc_fill_packet_with_outbuf,
-                              &__mc_adec_aac_caps};
-int(*adec_aacv12_vtable[])() = {&__mc_fill_inbuf_with_packet,                 /* AAC HE Decoder Vtable */
-                                &__mc_fill_packet_with_outbuf,
-                                &__mc_adec_aacv12_caps};
-int(*adec_mp3_vtable[])() = {&__mc_fill_inbuf_with_packet,                    /* MP3 Decoder Vtable */
-                              &__mc_fill_packet_with_outbuf,
-                              &__mc_adec_mp3_caps};
-int(*adec_amrnb_vtable[])() = {&__mc_fill_inbuf_with_packet,                  /* AMR-NB Decoder Vtable */
-                                &__mc_fill_packet_with_outbuf,
-                                &__mc_adec_amrnb_caps};
-int(*adec_amrwb_vtable[])() = {&__mc_fill_inbuf_with_packet,                  /* AMR-WB Decoder Vtable */
-                                &__mc_fill_packet_with_outbuf,
-                                &__mc_adec_amrwb_caps};
-int(*aenc_amrnb_vtable[])() = {&__mc_fill_inbuf_with_packet,                  /* AMR-NB Encoder Vtable */
-                              &__mc_fill_packet_with_outbuf,
-                              &__mc_aenc_amrnb_caps};
-int(*adec_vorbis_vtable[])() = {&__mc_fill_inbuf_with_packet,                 /* VORBIS Decoder Vtable */
-                                &__mc_fill_packet_with_outbuf,
-                                &__mc_adec_vorbis_caps};
-int(*adec_flac_vtable[])() = {&__mc_fill_inbuf_with_packet,                   /* FLAC Decoder Vtable */
-                              &__mc_fill_packet_with_outbuf,
-                              &__mc_adec_flac_caps};
-int(*adec_wma_vtable[])() = {&__mc_fill_inbuf_with_packet,                    /* WMA Decoder Vtable */
-                              &__mc_fill_packet_with_outbuf,
-                              &__mc_adec_wma_caps};
-
+static int __mc_fill_input_buffer(mc_gst_core_t *core, media_packet_h packet, GstMCBuffer *mcbuffer);
+static int __mc_fill_output_buffer(mc_gst_core_t *core, void *data, int size, GstMCBuffer *mcbuffer);
 
-/*
- * fill_inbuf virtual functions
-*/
-int __mc_fill_input_buffer(mc_gst_core_t *core, media_packet_h pkt, GstMCBuffer *buff)
-{
-    return core->vtable[fill_inbuf](core, pkt, buff);
-}
-
-int __mc_fill_inbuf_with_mm_video_buffer(mc_gst_core_t *core, media_packet_h pkt, GstMCBuffer *mc_buffer)
-{
-    int ret = MC_ERROR_NONE;
-
-    MMVideoBuffer *mm_vbuffer = NULL;
-    void *buf_data = NULL;
-    uint64_t buf_size = 0;
-
-    ret = media_packet_get_buffer_size(pkt, &buf_size);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("buffer size get fail");
-        return MC_ERROR;
-    }
-
-    ret = media_packet_get_buffer_data_ptr(pkt, &buf_data);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("buffer size get fail");
-        return MC_ERROR;
-    }
-
-    mm_vbuffer = __mc_gst_make_tbm_buffer(core, mc_buffer->pkt);
-
-    if (mm_vbuffer != NULL) {
-        gst_buffer_prepend_memory(mc_buffer->buffer,
-                gst_memory_new_wrapped(GST_MEMORY_FLAG_READONLY, mm_vbuffer, sizeof(*mm_vbuffer), 0,
-                    sizeof(*mm_vbuffer), mm_vbuffer, free));
-        LOGD("scmn_mm_vbuffer is appended, %d, %d", sizeof(*mm_vbuffer), gst_buffer_n_memory(mc_buffer->buffer));
-    }
-
-    if (buf_data != NULL) {
-        gst_buffer_prepend_memory(mc_buffer->buffer,
-                gst_memory_new_wrapped(GST_MEMORY_FLAG_READONLY, buf_data, buf_size, 0,
-                    buf_size, mc_buffer, (GDestroyNotify)gst_mediacodec_buffer_finalize));
-        LOGD("packet data is apended, %d, %d", buf_size, gst_buffer_n_memory(mc_buffer->buffer));
-    }
-    return ret;
-}
-
-int __mc_fill_inbuf_with_packet(mc_gst_core_t *core, media_packet_h pkt, GstMCBuffer *mc_buffer)
-{
-    int ret = MC_ERROR_NONE;
-    void *buf_data = NULL;
-    uint64_t buf_size = 0;
-
-    ret = media_packet_get_buffer_size(pkt, &buf_size);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("buffer size get fail");
-        return MC_ERROR;
-    }
-
-    ret = media_packet_get_buffer_data_ptr(pkt, &buf_data);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("buffer size get fail");
-        return MC_ERROR;
-    }
-
-    if (buf_data != NULL) {
-        gst_buffer_append_memory(mc_buffer->buffer,
-                gst_memory_new_wrapped(GST_MEMORY_FLAG_READONLY, buf_data, buf_size, 0,
-                    buf_size, mc_buffer, (GDestroyNotify)gst_mediacodec_buffer_finalize));
-        LOGD("packet data is apended");
-    }
-
-    return ret;
-}
-
-int __mc_fill_inbuf_with_venc_packet(mc_gst_core_t *core, media_packet_h pkt, GstMCBuffer *mc_buffer)
-{
-    int ret = MC_ERROR_NONE;
-    void *uv_ptr = NULL;
-    void *y_ptr = NULL;
-    int buf_size = 0;
-    int stride_width;
-    int stride_height;
-    int width;
-    int height;
-    uint32_t plane_num;
-    int i;
-    int j;
-    int stride = 0;
-
-    mc_encoder_info_t *enc_info = (mc_encoder_info_t *)core->codec_info;
-
-    width = enc_info->width;
-    height = enc_info->height;
-
-    ret = media_packet_get_number_of_video_planes(pkt, &plane_num);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("media_packet_get_number_of_video_planes failed");
-        return MC_ERROR;
-    }
-
-    ret = media_packet_get_video_plane_data_ptr(pkt, 0, &y_ptr);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("media_packet_get_video_plane_data_ptr failed");
-        return MC_ERROR;
-    }
-
-    ret = media_packet_get_video_stride_width(pkt, 0, &stride_width);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("media_packet_get_video_stride_width failed");
-        return MC_ERROR;
-    }
-
-    ret = media_packet_get_video_stride_height(pkt, 0, &stride_height);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("media_packet_get_video_stride_width failed");
-        return MC_ERROR;
-    }
-
-    if (width == stride_width) {
-        mc_buffer->buf_size += stride_width * stride_height;
-
-        for (i = 1; i < plane_num; i++) {
-            media_packet_get_video_plane_data_ptr(pkt, i, &uv_ptr);
-            media_packet_get_video_stride_width(pkt, i, &stride_width);
-            media_packet_get_video_stride_height(pkt, i, &stride_height);
-
-            buf_size = stride_width * stride_height;
-
-            memcpy(y_ptr + mc_buffer->buf_size, uv_ptr, buf_size);
-            LOGD("width is same with stride");
-            LOGD("plane : %d, buf_size : %d, total : %d", i, buf_size, mc_buffer->buf_size);
-            mc_buffer->buf_size += buf_size;
-
-        }
-    } else {
-
-        for (j = 0; j < height; j++) {
-            memcpy(y_ptr + mc_buffer->buf_size, y_ptr + stride, width);
-            mc_buffer->buf_size += width;
-            stride += stride_width;
-        }
-
-        stride = 0;
-
-        for (i = 1; i < plane_num; i++) {
-            media_packet_get_video_plane_data_ptr(pkt, i, &uv_ptr);
-            media_packet_get_video_stride_width(pkt, i, &stride_width);
-            media_packet_get_video_stride_height(pkt, i, &stride_height);
-
-            for (j = 0; j < height>>1; j++) {
-                memcpy(y_ptr + mc_buffer->buf_size, uv_ptr + stride, width>>1);
-                mc_buffer->buf_size += width>>1;
-                stride += stride_width;
-            }
-
-            memcpy(y_ptr + mc_buffer->buf_size, uv_ptr, buf_size);
-            LOGD("plane : %d, buf_size : %d, total : %d", i, buf_size, mc_buffer->buf_size);
-            mc_buffer->buf_size += buf_size;
-        }
-    }
-
-    if (y_ptr != NULL) {
-        gst_buffer_append_memory(mc_buffer->buffer,
-                gst_memory_new_wrapped(GST_MEMORY_FLAG_READONLY, y_ptr, mc_buffer->buf_size, 0,
-                    mc_buffer->buf_size, mc_buffer, (GDestroyNotify)gst_mediacodec_buffer_finalize));
-        LOGD("%d plane data apended : width : %d, height : %d, size : %d",
-                i, stride_width, stride_height, mc_buffer->buf_size);
-    }
-
-    return ret;
-}
+static int __mc_fill_input_buffer_with_packet(mc_gst_core_t *core, media_packet_h packet, GstMCBuffer *mcbuffer);
+static int __mc_fill_input_buffer_with_adec_packet(mc_gst_core_t *core, media_packet_h packet, GstMCBuffer *mcbuffer);
+static int __mc_fill_input_buffer_with_venc_packet(mc_gst_core_t *core, media_packet_h packet, GstMCBuffer *mcbuffer);
 
+static int __mc_fill_packet_with_output_buffer(mc_gst_core_t *core, void *data, int size, GstMCBuffer *mcbuffer);
+static int __mc_fill_aenc_packet_with_output_buffer(mc_gst_core_t *core, void *data, int size, GstMCBuffer *mcbuffer);
+static int __mc_fill_venc_packet_with_output_buffer(mc_gst_core_t *core, void *data, int size, GstMCBuffer *mcbuffer);
+static int __mc_fill_vdec_packet_with_output_buffer(mc_gst_core_t *core, void *data, int size, GstMCBuffer *mcbuffer);
 
-/*
- * fill_outbuf virtual functions
-*/
+static mc_gst_core_t *mc_gst_core_new();
+static void mc_gst_core_free(mc_gst_core_t *core);
 
-int __mc_fill_output_buffer(mc_gst_core_t *core, void *data, int size, media_packet_h *out_pkt)
-{
-    return core->vtable[fill_outbuf](core, data, size, out_pkt);
-}
+static mc_gst_port_t *mc_gst_port_new(mc_gst_core_t *core);
+static void mc_gst_port_free(mc_gst_port_t *port);
+/* video vtable */
+__attribute__((unused))
+static int(*vdec_vtable[])() = {&__mc_fill_input_buffer_with_packet, &__mc_fill_packet_with_output_buffer};
 
-int __mc_fill_vdec_packet_with_outbuf(mc_gst_core_t *core, void *data, int size, media_packet_h *pkt)
-{
-    int i;
-    int stride_width;
-    int stride_height;
-    uint32_t width;
-    uint32_t height;
-    uint32_t plane_num;
-    uint32_t buf_size;
-    uint32_t plane_size;
-    int ret = MC_ERROR_NONE;
-    void *pkt_data = NULL;
-    tbm_surface_h tsurf = NULL;
-    tbm_surface_info_s tsurf_info;
-    tbm_bo bo[MM_VIDEO_BUFFER_PLANE_MAX];
-    tbm_bo_handle thandle;
-
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
-
-    width = dec_info->width;
-    height = dec_info->height;
-    stride_width = ALIGN(width, 4);
-    stride_height = ALIGN(height, 4);
-    buf_size = stride_width * stride_height * 3 / 2;
-
-    if (buf_size > size)
-        return MC_ERROR;
-
-    memset(&tsurf_info, 0x0, sizeof(tbm_surface_info_s));
-
-    bo[0] = tbm_bo_alloc(core->bufmgr, buf_size, TBM_BO_WC);
-    if (!bo[0]) {
-        LOGE("bo allocation failed");
-    }
-
-    tsurf_info.width = dec_info->width;
-    tsurf_info.height = dec_info->height;
-    tsurf_info.format = TBM_FORMAT_YVU420;
-    tsurf_info.bpp = tbm_surface_internal_get_bpp(TBM_FORMAT_YVU420);
-    tsurf_info.num_planes = tbm_surface_internal_get_num_planes(TBM_FORMAT_YVU420);
-    tsurf_info.size = 0;
-
-    for (i = 0; i < tsurf_info.num_planes; i++) {
-        if (i == 0) {
-            tsurf_info.planes[i].stride = stride_width;
-            tsurf_info.planes[i].size = stride_width * stride_height;
-            tsurf_info.planes[i].offset = 0;
-            tsurf_info.size = tsurf_info.planes[i].size;
-        } else {
-            tsurf_info.planes[i].stride = stride_width>>1;
-            tsurf_info.planes[i].size = (stride_width>>1) * (stride_height>>1);
-            tsurf_info.planes[i].offset = (tsurf_info.planes[i-1].offset + tsurf_info.planes[i - 1].size);
-            tsurf_info.size += tsurf_info.planes[i].size;
-        }
-    }
-
-    thandle = tbm_bo_map(bo[0], TBM_DEVICE_CPU, TBM_OPTION_WRITE);
-    memcpy(thandle.ptr, data, tsurf_info.size);
-    tbm_bo_unmap(bo[0]);
-
-    tsurf = tbm_surface_internal_create_with_bos(&tsurf_info, bo, 1);
-
-    if (tsurf) {
-        media_packet_create_from_tbm_surface(core->output_fmt, tsurf,
-                (media_packet_finalize_cb)__mc_output_buffer_finalize_cb, core, pkt);
-    }
-
-    ret = media_packet_get_number_of_video_planes(*pkt, &plane_num);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("media_packet_get_number_of_video_planes failed");
-        return MC_ERROR;
-    }
-
-    return MC_ERROR_NONE;
-}
-
-int __mc_fill_video_packet_with_mm_video_buffer(mc_gst_core_t *core, void *data, int size, media_packet_h *out_pkt)
-{
-    void *pkt_data = NULL;
-    MMVideoBuffer *mm_vbuffer = NULL;
-    int i;
-    int bo_num = 0;
-
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    mc_decoder_info_t *codec_info = (mc_decoder_info_t *)core->codec_info;
-    mm_vbuffer = (MMVideoBuffer *)data;
-
-    LOGD("buf_share_method %d", mm_vbuffer->type);
-
-    LOGD("a[0] : %p, a[1] : %p, p[0] : %p, p[1] : %p",
-        mm_vbuffer->data[0], mm_vbuffer->data[1], mm_vbuffer->handle.paddr[0], mm_vbuffer->handle.paddr[1]);
-    LOGD("s[0]:%d, e[0]:%d, w[0]:%d, h[0]:%d",
-        mm_vbuffer->stride_width[0], mm_vbuffer->stride_height[0], mm_vbuffer->width[0], mm_vbuffer->height[0]);
-
-    if (mm_vbuffer->type == MM_VIDEO_BUFFER_TYPE_PHYSICAL_ADDRESS) {
-        media_packet_set_buffer_size(*out_pkt, mm_vbuffer->width[0]*mm_vbuffer->height[0]*3/2);
-        media_packet_get_buffer_data_ptr(*out_pkt, &pkt_data);
-
-        __csc_tiled_to_linear_crop(pkt_data, mm_vbuffer->data[0],
-                mm_vbuffer->stride_width[0], mm_vbuffer->stride_height[0], 0, 0, 0, 0);
-        __csc_tiled_to_linear_crop(pkt_data+mm_vbuffer->stride_width[0]*mm_vbuffer->stride_height[0],
-                mm_vbuffer->data[1], mm_vbuffer->stride_width[0], mm_vbuffer->stride_height[0]/2, 0, 0, 0, 0);
-    } else if (mm_vbuffer->type == MM_VIDEO_BUFFER_TYPE_DMABUF_FD) {
-        LOGD("FD type");
-    } else if (mm_vbuffer->type == MM_VIDEO_BUFFER_TYPE_TBM_BO) {
-        tbm_surface_h tsurf = NULL;
-        tbm_surface_info_s tsurf_info;
-        memset(&tsurf_info, 0x0, sizeof(tbm_surface_info_s));
-
-        /* create tbm surface */
-        for (i = 0; i < MM_VIDEO_BUFFER_PLANE_MAX; i++) {
-            if (mm_vbuffer->handle.bo[i]) {
-                bo_num++;
-                tsurf_info.planes[i].stride = mm_vbuffer->stride_width[i];
-            }
-        }
-
-        if (bo_num > 0) {
-            tsurf_info.width = codec_info->width;
-            tsurf_info.height = codec_info->height;
-            tsurf_info.format = TBM_FORMAT_NV12;        /* bo_format */
-            tsurf_info.bpp = tbm_surface_internal_get_bpp(TBM_FORMAT_NV12);
-            tsurf_info.num_planes = tbm_surface_internal_get_num_planes(TBM_FORMAT_NV12);
-            tsurf_info.size = 0;
-
-            for (i = 0; i < tsurf_info.num_planes; i++) {
-                tsurf_info.planes[i].stride = mm_vbuffer->stride_width[i];
-                tsurf_info.planes[i].size = mm_vbuffer->stride_width[i] * mm_vbuffer->stride_height[i];
-
-                if (i < bo_num)
-                    tsurf_info.planes[i].offset = 0;
-                else
-                    tsurf_info.planes[i].offset = tsurf_info.planes[i-1].offset + tsurf_info.planes[i - 1].size;
-
-                tsurf_info.size += tsurf_info.planes[i].size;
-            }
-            LOGD("%d plane stride : %d, size : %d",tsurf_info.planes[i].stride, tsurf_info.planes[i].size);
-            tsurf = tbm_surface_internal_create_with_bos(&tsurf_info, (tbm_bo *)mm_vbuffer->handle.bo, bo_num);
-        }
-
-        if (tsurf) {
-            media_packet_create_from_tbm_surface(core->output_fmt, tsurf,
-                (media_packet_finalize_cb)__mc_output_buffer_finalize_cb, core, out_pkt);
-        }
-    }
-
-    return MC_ERROR_NONE;
-}
-
-int __mc_fill_packet_with_outbuf(mc_gst_core_t *core, void *data, int size, media_packet_h *out_pkt)
-{
-    void *pkt_data = NULL;
-    int ret = MC_ERROR_NONE;
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    ret = media_packet_create_alloc(core->output_fmt, __mc_output_buffer_finalize_cb, core, out_pkt);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("media_packet_create_alloc failed");
-        return MC_ERROR;
-    }
-
-    media_packet_set_buffer_size(*out_pkt, size);
-    media_packet_get_buffer_data_ptr(*out_pkt, &pkt_data);
-    memcpy(pkt_data, data, size);
-
-    return MC_ERROR_NONE;
-}
-
-int __mc_fill_venc_packet_with_outbuf(mc_gst_core_t *core, void *data, int size, media_packet_h *out_pkt)
-{
-    void *pkt_data = NULL;
-    bool codec_config = FALSE;
-    bool sync_flag = FALSE;
-    bool slice = FALSE;
-    int codec_data_size = 0;
-    int ret = MC_ERROR_NONE;
-
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    switch (core->out_mime) {
-        case MEDIA_FORMAT_H264_SP:
-        case MEDIA_FORMAT_H264_MP:
-        case MEDIA_FORMAT_H264_HP:
-            ret = _mc_check_h264_bytestream((unsigned char *)data, size, 1, &codec_config, &sync_flag, &slice);
-            break;
-        case MEDIA_FORMAT_MPEG4_SP:
-        case MEDIA_FORMAT_MPEG4_ASP:
-            codec_data_size = _mc_check_mpeg4_out_bytestream((unsigned char *)data, size, &codec_config, &sync_flag);
-            break;
-        case MEDIA_FORMAT_H263:
-        case MEDIA_FORMAT_H263P:
-            if (!_mc_check_h263_out_bytestream((unsigned char *)data, size, &sync_flag))
-                return MC_INVALID_IN_BUF;
-            break;
-        default:
-            return MC_INVALID_IN_BUF;
-    }
-    LOGD("codec_config : %d, sync_flag : %d, slice : %d", codec_config, sync_flag, slice);
-
-    ret = media_packet_create_alloc(core->output_fmt, __mc_output_buffer_finalize_cb, core, out_pkt);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("media_packet_create_alloc failed");
-        return MC_ERROR;
-    }
-
-    media_packet_set_buffer_size(*out_pkt, size);
-    media_packet_get_buffer_data_ptr(*out_pkt, &pkt_data);
-    memcpy(pkt_data, data, size);
-
-    core->need_sync_flag = sync_flag ? 1 : 0;
-    core->need_codec_data = codec_config ? 1 : 0;
-
-    return ret;
-}
+static int(*venc_vtable[])() = {&__mc_fill_input_buffer_with_packet, &__mc_fill_packet_with_output_buffer};
 
-/*
- * create_caps virtual functions
-*/
+static int(*vdec_h264_sw_vtable[])() = {&__mc_fill_input_buffer_with_packet,                   /* S/W H.264 Decoder Vtable */
+                                                               &__mc_fill_vdec_packet_with_output_buffer};
 
-int __mc_create_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
-{
-    return core->vtable[create_caps](core, caps, buff, codec_config);
-}
+static int(*vdec_mpeg4_sw_vtable[])() = {&__mc_fill_input_buffer_with_packet,                  /* S/W MPEG4 Decoder Vtable */
+                                                               &__mc_fill_vdec_packet_with_output_buffer};
 
-int __mc_venc_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
-{
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+static int(*vdec_h263_sw_vtable[])() = {&__mc_fill_input_buffer_with_packet,                   /* S/W MPEG4 Decoder Vtable */
+                                                               &__mc_fill_vdec_packet_with_output_buffer};
 
-    mc_encoder_info_t *enc_info = (mc_encoder_info_t *)core->codec_info;
+static int(*vdec_h264_hw_vtable[])() = {&__mc_fill_input_buffer_with_packet,                   /* H/W H.264 Decoder Vtable */
+                                                               &__mc_fill_vdec_packet_with_output_buffer};
 
-    *caps = gst_caps_new_simple("video/x-raw",
-            "format", G_TYPE_STRING, "I420",
-            "width", G_TYPE_INT, enc_info->width,
-            "height", G_TYPE_INT, enc_info->height,
-            "framerate", GST_TYPE_FRACTION, enc_info->fps, 1,
-            NULL);
+static int(*vdec_mpeg4_hw_vtable[])() = {&__mc_fill_input_buffer_with_packet,                  /* H/W MPEG4 Decoder Vtable */
+                                                               &__mc_fill_vdec_packet_with_output_buffer};
 
-    LOGD("%d, %d, %d", enc_info->width, enc_info->height, enc_info->fps);
+static int(*vdec_h263_hw_vtable[])() = {&__mc_fill_input_buffer_with_packet,                   /* H/W MPEG4 Decoder Vtable */
+                                                               &__mc_fill_vdec_packet_with_output_buffer};
 
-    return MC_ERROR_NONE;
-}
+static int(*venc_mpeg4_sw_vtable[])() = {&__mc_fill_input_buffer_with_venc_packet,             /* S/W MPEG4 Encoder Vtable */
+                                                               &__mc_fill_venc_packet_with_output_buffer};
 
-int __mc_sprdenc_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
-{
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+static int(*venc_h263_sw_vtable[])() = {&__mc_fill_input_buffer_with_venc_packet,              /* S/W MPEG4 Encoder Vtable */
+                                                               &__mc_fill_venc_packet_with_output_buffer};
 
-    mc_encoder_info_t *enc_info = (mc_encoder_info_t *)core->codec_info;
+static int(*venc_h264_hw_vtable[])() = {&__mc_fill_input_buffer_with_venc_packet,              /* H/W H.264 Encoder Vtable */
+                                                               &__mc_fill_venc_packet_with_output_buffer};
 
-    *caps = gst_caps_new_simple(core->mime,
-            "format", G_TYPE_STRING, "SN12",
-            "width", G_TYPE_INT, enc_info->width,
-            "height", G_TYPE_INT, enc_info->height,
-            "framerate", GST_TYPE_FRACTION, enc_info->fps, 1, NULL);
+static int(*venc_mpeg4_hw_vtable[])() = {&__mc_fill_input_buffer_with_venc_packet,             /* H/W MPEG4 Encoder Vtable */
+                                                               &__mc_fill_venc_packet_with_output_buffer};
 
-    g_object_set(GST_OBJECT(core->codec), "byte-stream", TRUE, NULL);
-    g_object_set(GST_OBJECT(core->codec), "bitrate", enc_info->bitrate*1000, NULL);
+static int(*venc_h263_hw_vtable[])() = {&__mc_fill_input_buffer_with_venc_packet,              /* H/W MPEG4 Encoder Vtable */
+                                                               &__mc_fill_venc_packet_with_output_buffer};
 
-    LOGD("%s, %d, %d, %d", core->format, enc_info->width, enc_info->height, enc_info->fps);
+__attribute__((unused))
+static int(*aenc_vtable[])() = {&__mc_fill_input_buffer_with_packet, &__mc_fill_packet_with_output_buffer};
 
+static int(*adec_vtable[])() = {&__mc_fill_input_buffer_with_packet, &__mc_fill_packet_with_output_buffer};
 
-    return MC_ERROR_NONE;
-}
+static int(*aenc_aac_vtable[])() = {&__mc_fill_input_buffer_with_packet,                    /* AAC LC Encoder vtable */
+                                                       &__mc_fill_aenc_packet_with_output_buffer};
 
-int __mc_sprdenc_mpeg4_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer *buff, bool codec_config)
-{
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+static int(*adec_aac_vtable[])() = {&__mc_fill_input_buffer_with_adec_packet,               /* AAC LC Decoder Vtable */
+                                                       &__mc_fill_packet_with_output_buffer};
 
-    mc_encoder_info_t *enc_info = (mc_encoder_info_t *)core->codec_info;
+static int(*adec_aacv12_vtable[])() = {&__mc_fill_input_buffer_with_adec_packet,            /* AAC HE Decoder Vtable */
+                                                       &__mc_fill_packet_with_output_buffer};
 
-    *caps = gst_caps_new_simple("video/x-raw",
-            "format", G_TYPE_STRING, "SN12",
-            "width", G_TYPE_INT, enc_info->width,
-            "height", G_TYPE_INT, enc_info->height,
-            "framerate", GST_TYPE_FRACTION, enc_info->fps, 1, NULL);
+static int(*adec_mp3_vtable[])() = {&__mc_fill_input_buffer_with_packet,                    /* MP3 Decoder Vtable */
+                                                       &__mc_fill_packet_with_output_buffer};
 
-    g_object_set(GST_OBJECT(core->codec), "bitrate", enc_info->bitrate*1000, NULL);
+static int(*adec_amrnb_vtable[])() = {&__mc_fill_input_buffer_with_packet,                  /* AMR-NB Decoder Vtable */
+                                                       &__mc_fill_packet_with_output_buffer};
 
-    LOGD("%s, %d, %d, %d", core->format, enc_info->width, enc_info->height, enc_info->fps);
+static int(*adec_amrwb_vtable[])() = {&__mc_fill_input_buffer_with_packet,                  /* AMR-WB Decoder Vtable */
+                                                       &__mc_fill_packet_with_output_buffer};
 
+static int(*aenc_amrnb_vtable[])() = {&__mc_fill_input_buffer_with_packet,                  /* AMR-NB Encoder Vtable */
+                                                       &__mc_fill_packet_with_output_buffer};
 
-    return MC_ERROR_NONE;
-}
+static int(*adec_vorbis_vtable[])() = {&__mc_fill_input_buffer_with_packet,                 /* VORBIS Decoder Vtable */
+                                                       &__mc_fill_packet_with_output_buffer};
 
-int __mc_h264dec_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
-{
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+static int(*adec_flac_vtable[])() = {&__mc_fill_input_buffer_with_packet,                   /* FLAC Decoder Vtable */
+                                                       &__mc_fill_packet_with_output_buffer};
 
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
+static int(*adec_wma_vtable[])() = {&__mc_fill_input_buffer_with_packet,                    /* WMA Decoder Vtable */
+                                                       &__mc_fill_packet_with_output_buffer};
 
-    LOGD("%d, %d, ", dec_info->width, dec_info->height);
-    *caps = gst_caps_new_simple(core->mime,
-            "parsed", G_TYPE_BOOLEAN, TRUE,
-            "alignment", G_TYPE_STRING, "au",
-            "stream-format", G_TYPE_STRING, "byte-stream",
-            "width", G_TYPE_INT, dec_info->width,
-            "height", G_TYPE_INT, dec_info->height, NULL);
+static int(*aenc_opus_vtable[])() =  {&__mc_fill_input_buffer_with_packet,                  /* Opus Encoder Vtable */
+                                                       &__mc_fill_aenc_packet_with_output_buffer};
 
-    LOGD("mime : %s, widht :%d, height : %d", core->mime, dec_info->width, dec_info->height);
-    return MC_ERROR_NONE;
-}
+#define MEDIACODEC_CROP_ARRAY_LENGTH 4
+#define MEDIACODEC_ELEMENT_SET_STATE(x_element, x_state)                                          \
+       do {                                                                                            \
+               LOGD("setting state [%s:%d] to [%s]\n", #x_state, x_state, GST_ELEMENT_NAME(x_element)); \
+               if (GST_STATE_CHANGE_FAILURE == gst_element_set_state(x_element, x_state)) {                    \
+                       LOGE("failed to set state %s to %s\n", #x_state, GST_ELEMENT_NAME(x_element));        \
+                       goto STATE_CHANGE_FAILED;                                                               \
+               }                                                                                           \
+       } while (0)
 
-int __mc_sprddec_mpeg4_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
+/*
+ * fill_inbuf virtual functions
+ */
+int __mc_fill_input_buffer(mc_gst_core_t *core, media_packet_h packet, GstMCBuffer *mcbuffer)
 {
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
-
-    LOGD("%d, %d, ", dec_info->width, dec_info->height);
+       return core->vtable[fill_inbuf](core, packet, mcbuffer);
+}
+
+static int __mc_fill_input_buffer_with_packet(mc_gst_core_t *core, media_packet_h packet, GstMCBuffer *mcbuffer)
+{
+       gint ret = MC_ERROR_NONE;
+       void *buf_data = NULL;
+       uint64_t buf_size = 0;
+
+       ret = media_packet_get_buffer_size(packet, &buf_size);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("buffer size get failed");
+               return MC_ERROR;
+       }
+
+       ret = media_packet_get_buffer_data_ptr(packet, &buf_data);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("buffer data get failed");
+               return MC_ERROR;
+       }
+
+       if (buf_data == NULL)
+               return MC_ERROR;
+
+       gst_buffer_append_memory(mcbuffer->buffer,
+               gst_memory_new_wrapped(GST_MEMORY_FLAG_READONLY, buf_data, buf_size, 0,
+                       buf_size, mcbuffer, (GDestroyNotify)__mc_input_buffer_finalize_cb));
+       LOGD("packet data apended");
+
+       return ret;
+}
+
+static int __mc_fill_input_buffer_with_adec_packet(mc_gst_core_t *core, media_packet_h packet, GstMCBuffer *mcbuffer)
+{
+       gint ret = MC_ERROR_NONE;
+       uint64_t buf_size = 0;
+       unsigned int codec_size = 0;
+       bool codec_config = FALSE;
+       void *buf_data = NULL;
+       void *codec_data = NULL;
+
+       ret = media_packet_get_buffer_size(packet, &buf_size);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("buffer size get failed");
+               return MC_ERROR;
+       }
+
+       ret = media_packet_get_buffer_data_ptr(packet, &buf_data);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("buffer data get failed");
+               return MC_ERROR;
+       }
+
+       if (media_packet_is_codec_config(packet, &codec_config) != MEDIA_PACKET_ERROR_NONE) {
+               LOGE("media_packet_is_codec_config failed");
+               return MC_ERROR;
+       }
+
+       if (buf_data != NULL) {
+               media_packet_get_codec_data(packet, &codec_data, &codec_size);
+
+               if (!codec_data && codec_config) {
+                       gst_buffer_append_memory(mcbuffer->buffer,
+                                       gst_memory_new_wrapped(GST_MEMORY_FLAG_READONLY, buf_data, buf_size, 0,
+                                               buf_size, NULL, NULL));
+                       LOGD("csd packet data apended");
+               } else {
+                       gst_buffer_append_memory(mcbuffer->buffer,
+                                       gst_memory_new_wrapped(GST_MEMORY_FLAG_READONLY, buf_data, buf_size, 0,
+                                               buf_size, mcbuffer, (GDestroyNotify)__mc_input_buffer_finalize_cb));
+                       LOGD("packet data apended");
+               }
+
+               if (codec_data)
+                       free(codec_data);
+       }
+
+       return ret;
+}
+
+static int __mc_fill_input_buffer_with_venc_packet(mc_gst_core_t *core, media_packet_h packet, GstMCBuffer *mcbuffer)
+{
+       gint ret = MC_ERROR_NONE;
+       gint i;
+       gint j;
+       gint stride = 0;
+       gint buf_size = 0;
+       gint stride_width;
+       gint stride_height;
+       gint width;
+       gint height;
+       uint32_t plane_num;
+       guint8 *planes[2];
+       GstMemory *mem = NULL;
+
+       mc_gst_port_def_t *port_def = &core->ports[in_port_index]->port_def;
+
+       width = port_def->info.video.width;
+       height = port_def->info.video.height;
+
+       ret = media_packet_get_number_of_video_planes(packet, &plane_num);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("media_packet_get_number_of_video_planes failed");
+               return MC_ERROR;
+       }
+
+       ret = media_packet_get_video_plane_data_ptr(packet, 0, (void **)&planes[0]);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("media_packet_get_video_plane_data_ptr failed");
+               return MC_ERROR;
+       }
+
+       ret = media_packet_get_video_stride_width(packet, 0, &stride_width);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("media_packet_get_video_stride_width failed");
+               return MC_ERROR;
+       }
+
+       ret = media_packet_get_video_stride_height(packet, 0, &stride_height);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("media_packet_get_video_stride_width failed");
+               return MC_ERROR;
+       }
+
+       if (!core->is_hw) {
+               if (width == stride_width) {
+                       mcbuffer->buf_size += stride_width * stride_height;
+
+                       for (i = 1; i < plane_num; i++) {
+                               media_packet_get_video_plane_data_ptr(packet, i, (void **)&planes[1]);
+                               media_packet_get_video_stride_width(packet, i, &stride_width);
+                               media_packet_get_video_stride_height(packet, i, &stride_height);
+
+                               buf_size = stride_width * stride_height;
+
+                               memcpy(planes[0] + mcbuffer->buf_size, planes[1], buf_size);
+                               mcbuffer->buf_size += buf_size;
+                               LOGD("plane : %d, buf_size : %d, total : %d", i, buf_size, mcbuffer->buf_size);
+                       }
+               } else {
+
+                       for (j = 0; j < height; j++) {
+                               memcpy(planes[0] + mcbuffer->buf_size, planes[0] + stride, width);
+                               mcbuffer->buf_size += width;
+                               stride += stride_width;
+                       }
+
+                       stride = 0;
+
+                       for (i = 1; i < plane_num; i++) {
+                               media_packet_get_video_plane_data_ptr(packet, i, (void **)&planes[1]);
+                               media_packet_get_video_stride_width(packet, i, &stride_width);
+                               media_packet_get_video_stride_height(packet, i, &stride_height);
+
+                               for (j = 0; j < height>>1; j++) {
+                                       memcpy(planes[0] + mcbuffer->buf_size, planes[1] + stride, width>>1);
+                                       mcbuffer->buf_size += width>>1;
+                                       stride += stride_width;
+                               }
+
+                               memcpy(planes[0] + mcbuffer->buf_size, planes[1], buf_size);
+                               LOGD("plane : %d, buf_size : %d, total : %d", i, buf_size, mcbuffer->buf_size);
+                               mcbuffer->buf_size += buf_size;
+                       }
+               }
+
+               mem = gst_memory_new_wrapped(GST_MEMORY_FLAG_READONLY,
+                               planes[0], mcbuffer->buf_size, 0,
+                               mcbuffer->buf_size, mcbuffer,
+                               (GDestroyNotify)__mc_input_buffer_finalize_cb);
+       } else {
+               mem = __mc_gst_make_tbm_buffer(core, mcbuffer);
+               LOGD("tizen memory[%p]", mem);
+       }
+
+       if (mem == NULL) {
+               LOGE("gstmemory failed[is_hw:%d]", core->is_hw);
+               return MC_ERROR;
+       }
+
+       gst_buffer_append_memory(mcbuffer->buffer, mem);
+
+       _mc_gst_video_meta_add(core, mcbuffer->buffer);
+
+       return ret;
+}
 
-    *caps = gst_caps_new_simple(core->mime,
-            "mpegversion", G_TYPE_INT, 4,
-            "width", G_TYPE_INT, dec_info->width,
-            "height", G_TYPE_INT, dec_info->height,
-            "framerate", GST_TYPE_FRACTION, 30, 1,
-            NULL);
 
-    LOGD("mime : %s, widht :%d, height : %d", core->mime, dec_info->width, dec_info->height);
+/*
+ * fill_outbuf virtual functions
+ */
 
-    return MC_ERROR_NONE;
+static int __mc_fill_output_buffer(mc_gst_core_t *core, void *data, int size, GstMCBuffer *mcbuffer)
+{
+       return core->vtable[fill_outbuf](core, data, size, mcbuffer);
+}
+
+static int __mc_fill_vdec_packet_with_output_buffer(mc_gst_core_t *core, void *data, int size, GstMCBuffer *mcbuffer)
+{
+       int i;
+       int stride_width;
+       int stride_height;
+       uint32_t width;
+       uint32_t height;
+       uint32_t buf_size;
+       tbm_surface_info_s tsurf_info;
+       tbm_bo bo[MM_VIDEO_BUFFER_PLANE_MAX];
+       tbm_bo_handle thandle;
+       tbm_surface_h tsurf = NULL;
+       media_packet_h packet = NULL;
+
+       g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+
+       mc_gst_port_def_t *port_def = &core->ports[out_port_index]->port_def;
+
+       if (!core->is_hw) {
+               width = port_def->info.video.width;
+               height = port_def->info.video.height;
+               stride_width = GST_ROUND_UP_4(width);
+               stride_height = height;
+               buf_size = stride_width * stride_height * 3 / 2;
+
+               memset(&tsurf_info, 0x0, sizeof(tbm_surface_info_s));
+
+               bo[0] = tbm_bo_alloc(core->bufmgr, buf_size, TBM_BO_WC);
+               if (!bo[0]) {
+                       LOGE("bo allocation failed");
+                       return MC_ERROR;
+               }
+
+               tsurf_info.width = port_def->info.video.width;
+               tsurf_info.height = port_def->info.video.height;
+               tsurf_info.format = TBM_FORMAT_YVU420;
+               tsurf_info.bpp = tbm_surface_internal_get_bpp(TBM_FORMAT_YVU420);
+               tsurf_info.num_planes = tbm_surface_internal_get_num_planes(TBM_FORMAT_YVU420);
+               tsurf_info.size = 0;
+
+               for (i = 0; i < tsurf_info.num_planes; i++) {
+                       if (i == 0) {
+                               tsurf_info.planes[i].stride = stride_width;
+                               tsurf_info.planes[i].size = stride_width * stride_height;
+                               tsurf_info.planes[i].offset = 0;
+                               tsurf_info.size = tsurf_info.planes[i].size;
+                       } else {
+                               tsurf_info.planes[i].stride = GST_ROUND_UP_4(GST_ROUND_UP_2(width) / 2);
+                               tsurf_info.planes[i].size = GST_ROUND_UP_4(GST_ROUND_UP_2(width) / 2) * (height / 2);
+                               tsurf_info.planes[i].offset = (tsurf_info.planes[i-1].offset + tsurf_info.planes[i - 1].size);
+                               tsurf_info.size += tsurf_info.planes[i].size;
+                       }
+               }
+
+               thandle = tbm_bo_map(bo[0], TBM_DEVICE_CPU, TBM_OPTION_WRITE);
+               memcpy(thandle.ptr, data, tsurf_info.size);
+               tbm_bo_unmap(bo[0]);
+
+               tsurf = tbm_surface_internal_create_with_bos(&tsurf_info, bo, 1);
+       } else {
+               tsurf = (tbm_surface_h)data;
+       }
+
+       if (tsurf) {
+               media_packet_create_from_tbm_surface(core->output_fmt, tsurf,
+                               (media_packet_finalize_cb)__mc_output_buffer_finalize_cb, mcbuffer, &packet);
+               mcbuffer->packet = packet;
+       }
+
+       return MC_ERROR_NONE;
+}
+
+static int __mc_fill_packet_with_output_buffer(mc_gst_core_t *core, void *data, int size, GstMCBuffer *mcbuffer)
+{
+       gint ret = MC_ERROR_NONE;
+       gchar *ext_mem = NULL;
+       gint mem_size = 0;
+       void *packet_data = NULL;
+       media_packet_h packet = NULL;
+
+       g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+
+       if (core->encoder && core->codec_id == MEDIACODEC_AAC)
+               media_format_set_audio_aac_type(core->output_fmt, FALSE);
+
+       mem_size = GST_ROUND_UP_4(size);
+       ext_mem = g_malloc0(mem_size);
+
+       ret = media_packet_create_from_external_memory(core->output_fmt, ext_mem, mem_size, __mc_output_buffer_finalize_cb, mcbuffer, &packet);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("media_packet_create_alloc failed");
+               g_free(ext_mem);
+               return MC_ERROR;
+       }
+       mcbuffer->packet = packet;
+       mcbuffer->ext_mem = ext_mem;
+
+       media_packet_set_buffer_size(packet, size);
+       media_packet_get_buffer_data_ptr(packet, &packet_data);
+       memcpy(packet_data, data, size);
+
+       return MC_ERROR_NONE;
+}
+
+static int __mc_fill_venc_packet_with_output_buffer(mc_gst_core_t *core, void *data, int size, GstMCBuffer *mcbuffer)
+{
+       gint ret = MC_ERROR_NONE;
+       bool codec_config = FALSE;
+       bool sync_flag = FALSE;
+       bool slice = FALSE;
+       gint mem_size = 0;
+       gchar *ext_mem = NULL;
+       gint data_size = 0;
+       void *packet_data = NULL;
+       media_packet_h packet = NULL;
+
+       g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+
+       switch (core->ports[out_port_index]->port_def.coding_type) {
+       case MEDIA_FORMAT_H264_SP:
+       case MEDIA_FORMAT_H264_MP:
+       case MEDIA_FORMAT_H264_HP:
+               data_size = _mc_check_h264_bytestream((unsigned char *)data, size, 1, &codec_config, &sync_flag, &slice);
+
+               if (data_size < 0) {
+                       LOGE("No valid SPS/PPS ...");
+                       return MC_INVALID_IN_BUF;
+               }
+               break;
+       case MEDIA_FORMAT_MPEG4_SP:
+       case MEDIA_FORMAT_MPEG4_ASP:
+               _mc_check_mpeg4_out_bytestream((unsigned char *)data, size, &codec_config, &sync_flag);
+               break;
+       case MEDIA_FORMAT_H263:
+       case MEDIA_FORMAT_H263P:
+               if (!_mc_check_h263_out_bytestream((unsigned char *)data, size, &sync_flag))
+                       return MC_INVALID_IN_BUF;
+               break;
+       default:
+               return MC_INVALID_IN_BUF;
+       }
+       LOGD("codec_config : %d, sync_flag : %d, slice : %d", codec_config, sync_flag, slice);
+
+       mem_size = GST_ROUND_UP_4(size);
+       ext_mem = g_malloc0(mem_size);
+
+       ret = media_packet_create_from_external_memory(core->output_fmt, ext_mem, mem_size, __mc_output_buffer_finalize_cb, mcbuffer, &packet);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("media_packet_create_alloc failed");
+               g_free(ext_mem);
+               return MC_ERROR;
+       }
+       mcbuffer->packet = packet;
+       mcbuffer->ext_mem = ext_mem;
+
+       media_packet_set_buffer_size(packet, size);
+       media_packet_get_buffer_data_ptr(packet, &packet_data);
+       memcpy(packet_data, data, size);
+
+       core->need_sync_flag = sync_flag ? 1 : 0;
+       core->need_codec_data = codec_config ? 1 : 0;
+
+       return ret;
+}
+
+static int __mc_fill_aenc_packet_with_output_buffer(mc_gst_core_t *core, void *data, int size, GstMCBuffer *mcbuffer)
+{
+       int ret = MC_ERROR_NONE;
+       gint mem_size = 0;
+       GstPad *pad;
+       GstCaps *peercaps;
+       GstMapInfo map;
+       guint8 *ptr;
+       gsize len;
+       gchar *ext_mem = NULL;
+       const GValue *codec_data = NULL;
+       void *packet_data = NULL;
+       media_packet_h packet = NULL;
+
+       g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+
+       if (core->encoder && core->codec_id == MEDIACODEC_AAC)
+               media_format_set_audio_aac_type(core->output_fmt, FALSE);
+
+       mem_size = GST_ROUND_UP_4(size);
+       ext_mem = g_malloc0(mem_size);
+
+       ret = media_packet_create_from_external_memory(core->output_fmt, ext_mem, mem_size, __mc_output_buffer_finalize_cb, mcbuffer, &packet);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("media_packet_create_alloc failed");
+               g_free(ext_mem);
+               return MC_ERROR;
+       }
+       mcbuffer->packet = packet;
+       mcbuffer->ext_mem = ext_mem;
+
+       media_packet_set_buffer_size(packet, size);
+       media_packet_get_buffer_data_ptr(packet, &packet_data);
+       memcpy(packet_data, data, size);
+
+       if (!core->codec_data) {
+               pad = gst_element_get_static_pad(core->fakesink, "sink");
+               peercaps = gst_pad_get_current_caps(pad);
+               if (peercaps) {
+                       GstStructure *s;
+                       if (gst_caps_is_empty(peercaps)) {
+                               gst_caps_unref(peercaps);
+                               gst_object_unref(pad);
+                               LOGW("Empty caps");
+                               return ret;
+                       }
+
+                       s = gst_caps_get_structure(peercaps, 0);
+                       codec_data = gst_structure_get_value(s, "codec_data");
+                       if (codec_data  == NULL && gst_structure_has_field(s, "streamheader"))
+                               codec_data = gst_structure_get_value(s, "streamheader");
+
+                       core->codec_data = GST_BUFFER(g_value_dup_boxed(codec_data));
+                       gst_caps_unref(peercaps);
+               }
+               gst_object_unref(pad);
+               LOGD("codec data set");
+       }
+
+       if (core->codec_data) {
+               gst_buffer_map(core->codec_data, &map, GST_MAP_READ);
+               ptr = map.data;
+               len = map.size;
+               ret = media_packet_set_codec_data(packet, ptr, len);
+               if (ret != MEDIA_PACKET_ERROR_NONE) {
+                       LOGW("media_packet_set_codec_data failed");
+                       gst_buffer_unmap(core->codec_data, &map);
+                       return MC_ERROR;
+               }
+               gst_buffer_unmap(core->codec_data, &map);
+       }
+
+       return ret;
+}
+
+static GstCaps *__mc_gst_caps_set_buffer_array(GstCaps * caps, const gchar * name, GstBuffer * buf, ...)
+{
+       GstStructure *struc = NULL;
+       va_list va;
+       GValue arr_val = { 0 };
+       GValue buf_val = { 0 };
+
+       g_return_val_if_fail(name != NULL, NULL);
+       g_return_val_if_fail(caps != NULL, NULL);
+       g_return_val_if_fail(gst_caps_is_fixed(caps), NULL);
+       caps = gst_caps_make_writable(caps);
+
+       struc = gst_caps_get_structure(caps, 0);
+       if (!struc)
+               LOGW("cannot get structure from caps.\n");
+
+       g_value_init(&arr_val, GST_TYPE_ARRAY);
+
+       va_start(va, buf);
+       while (buf) {
+               g_value_init(&buf_val, GST_TYPE_BUFFER);
+               gst_value_set_buffer(&buf_val, buf);
+               gst_value_array_append_value(&arr_val, &buf_val);
+               g_value_unset(&buf_val);
+
+               buf = va_arg(va, GstBuffer *);
+       }
+       va_end(va);
+
+       gst_structure_take_value(struc, name, &arr_val);
+
+       return caps;
+}
+
+int __mc_set_caps_streamheader(mc_gst_core_t *core, GstMCBuffer *mcbuffer, guint streamheader_size)
+{
+       gint ret = MEDIA_PACKET_ERROR_NONE;
+       uint64_t buf_size = 0;
+       GstBuffer *header1, *header2, *header3;
+       guint hsize1, hsize2, hsize3;
+       GstBuffer *tmp_header;
+       GstMapInfo map;
+       guint8 *buf_data = NULL;
+       guint8 *tmp_buf = NULL;
+
+       ret = media_packet_get_buffer_size(mcbuffer->packet, &buf_size);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("buffer size get failed");
+               return ret;
+       }
+
+       ret = media_packet_get_buffer_data_ptr(mcbuffer->packet, (void **)&buf_data);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("buffer data get failed");
+               return ret;
+       }
+
+       LOGD("Set caps for streamheader in mime : %s and codec_id (0x%x)", core->mime, core->codec_id);
+
+       if (core->codec_id == MEDIACODEC_VORBIS) {
+               /*
+                * hsize1 : Identification Header (packet type 1) - fixed 30 byte
+                * hsize2 : Comment Header (packet type 3) - variable byte (need calculate)
+                * hsize3 : Setup Header (packet type 5) - variable byte (Used remained bytes)
+                */
+
+               /* First of all, Need to fins and calculate size of hsize2 */
+               tmp_header = gst_buffer_new_and_alloc(streamheader_size);
+               gst_buffer_fill(tmp_header, 0, buf_data, streamheader_size);
+               gst_buffer_map(tmp_header, &map, GST_MAP_READ);
+               tmp_buf = map.data;
+               tmp_buf += (30 + 7);                /* hsize1 + '0x03' + 'vorbis'*/
+               hsize2 = (7 + 4);
+               hsize2 += GST_READ_UINT32_LE(tmp_buf);
+               hsize2 += (4 + 1);
+               LOGD("Find streamheader hsize2(%d)", hsize2);
+               gst_buffer_unmap(tmp_header, &map);
+               gst_buffer_unref(tmp_header);
+
+               /*  hsize1 : Identification Header (packet type 1) - fixed 30 byte */
+               hsize1 = 30;
+               header1 = gst_buffer_new_and_alloc(hsize1);
+               gst_buffer_fill(header1, 0, buf_data, hsize1);
+               gst_buffer_map(header1, &map, GST_MAP_READ);
+               tmp_buf = map.data;
+               /* '0x01' + 'vorbis' */
+               if (*tmp_buf != 0x01) {
+                       LOGE("[ERROR] Invalid Caps of Stream header1");
+                       gst_buffer_unmap(header1, &map);
+                       return MEDIA_PACKET_ERROR_INVALID_PARAMETER;
+               }
+               gst_buffer_unmap(header1, &map);
+
+               /* hsize2 : Comment Header (packet type 3) - variable byte */
+               header2 = gst_buffer_new_and_alloc(hsize2);
+               gst_buffer_fill(header2, 0,  (buf_data + (hsize1)), hsize2);
+               gst_buffer_map(header2, &map, GST_MAP_READ);
+               tmp_buf = map.data;
+               /* '0x03' + 'vorbis' */
+               if (*tmp_buf != 0x03) {
+                       LOGE("[ERROR] Invalid Caps of Stream header2");
+                       gst_buffer_unmap(header2, &map);
+                       return MEDIA_PACKET_ERROR_INVALID_PARAMETER;
+               }
+               gst_buffer_unmap(header2, &map);
+
+               /* hsize3 : Setup Header (packet type 5) - variable byte */
+               hsize3 = streamheader_size - (hsize1 + hsize2);
+               header3 = gst_buffer_new_and_alloc(hsize3);
+               gst_buffer_fill(header3, 0,  (buf_data + (hsize1 + hsize2)), hsize3);
+               gst_buffer_map(header3, &map, GST_MAP_READ);
+               tmp_buf = map.data;
+               /* '0x05' + 'vorbis' */
+               if (*tmp_buf != 0x05) {
+                       LOGE("[ERROR] Invalid Caps of Stream header3");
+                       gst_buffer_unmap(header3, &map);
+                       return MEDIA_PACKET_ERROR_INVALID_PARAMETER;
+               }
+               gst_buffer_unmap(header3, &map);
+
+               LOGD("[vorbis] streamheader hsize1 (%d) + hsize2 (%d) + hsize3 (%d) = Total (%d)",
+                               hsize1, hsize2, hsize3, (hsize1 + hsize2 + hsize3));
+
+               __mc_gst_caps_set_buffer_array(core->caps, "streamheader", header1, header2, header3, NULL);
+
+               gst_buffer_unref(header1);
+               gst_buffer_unref(header2);
+               gst_buffer_unref(header3);
+       } else if (core->codec_id == MEDIACODEC_FLAC) {
+               /*
+                * hsize1 : Stream Info (type 0) - fixed 51 byte
+                * hsize2 : Stream Comment (type 4) - variable byte (need calculate)
+                */
+
+               /* First of all, Need to fins and calculate size of hsize2 */
+               tmp_header = gst_buffer_new_and_alloc(streamheader_size);
+               gst_buffer_fill(tmp_header, 0, buf_data, streamheader_size);
+               gst_buffer_map(tmp_header, &map, GST_MAP_READ);
+               tmp_buf = map.data;
+               hsize2 = 4 + ((tmp_buf[52] << 16) | (tmp_buf[53] << 8) | (tmp_buf[54]));
+               LOGD("Find streamheader hsize2(%d)", hsize2);
+               gst_buffer_unmap(tmp_header, &map);
+               gst_buffer_unref(tmp_header);
+
+               /*  hsize1 :  Stream Info (type 0) - fixed 51 byte */
+               hsize1 = 51;
+               header1 = gst_buffer_new_and_alloc(hsize1);
+               gst_buffer_fill(header1, 0, buf_data, hsize1);
+               gst_buffer_map(header1, &map, GST_MAP_READ);
+               tmp_buf = map.data;
+               /* '0x7f' + 'FLAC' */
+               if (*tmp_buf != 0x07f) {
+                       LOGE("[ERROR] Invalid Caps of Stream header1 (Info)");
+                       gst_buffer_unmap(header1, &map);
+                       gst_buffer_unref(header1);
+                       return MEDIA_PACKET_ERROR_INVALID_PARAMETER;
+               }
+               gst_buffer_unmap(header1, &map);
+
+               /* hsize2 : Stream Comment (type 4) - variable byte (need calculate) */
+               header2 = gst_buffer_new_and_alloc(hsize2);
+               gst_buffer_fill(header2, 0, (buf_data + (hsize1)), hsize2);
+               gst_buffer_map(header2, &map, GST_MAP_READ);
+               tmp_buf = map.data;
+               /* '0x84' */
+               if (*tmp_buf != 0x84) {
+                       LOGE("[ERROR] Invalid Caps of Stream header2 (Comment)");
+                       gst_buffer_unmap(header2, &map);
+                       gst_buffer_unref(header1);
+                       gst_buffer_unref(header2);
+                       return MEDIA_PACKET_ERROR_INVALID_PARAMETER;
+               }
+               gst_buffer_unmap(header2, &map);
+
+               LOGD("[flac] streamheader hsize1 (%d) + hsize2 (%d)  = Total (%d)", hsize1, hsize2, (hsize1 + hsize2));
+               __mc_gst_caps_set_buffer_array(core->caps, "streamheader", header1, header2, NULL);
+               gst_buffer_unref(header1);
+               gst_buffer_unref(header2);
+       } else if (core->codec_id == MEDIACODEC_OPUS) {
+               const GstTagList *tags;
+               GstTagList *empty_tags = NULL;
+               GstBuffer *header, *comments;
+               guint8 *decoding_channel_mapping = NULL;
+               mc_gst_port_def_t *port_def = &core->ports[in_port_index]->port_def;
+
+               header = gst_codec_utils_opus_create_header(port_def->info.audio.samplerate,
+                       port_def->info.audio.channel,
+                       0, /* channel mapping family */
+                       1, /* stream count */
+                       0, /* coupled count */
+                       decoding_channel_mapping,
+                       0, /* FIXME: look ahead configured value */
+                       0);
+               tags = gst_tag_setter_get_tag_list(GST_TAG_SETTER(core->codec));
+               if (!tags)
+                       tags = empty_tags = gst_tag_list_new_empty();
+               comments = gst_tag_list_to_vorbiscomment_buffer(tags, (const guint8 *) "OpusTags",
+                       8, "Encoded with GStreamer opusenc");
+               core->caps = gst_codec_utils_opus_create_caps_from_header(header, comments);
+               if (empty_tags)
+                       gst_tag_list_unref(empty_tags);
+               gst_buffer_unref(header);
+               gst_buffer_unref(comments);
+       } else {
+               LOGE("Not support case of Stream header Caps");
+       }
+
+       /* Update gstbuffer's data ptr and size for using previous streamheader.*/
+       LOGD("BEFORE : mcbuffer->buffer of size %" G_GSIZE_FORMAT "", gst_buffer_get_size(mcbuffer->buffer));
+       gst_buffer_remove_memory_range(mcbuffer->buffer, streamheader_size, -1);
+       gst_buffer_set_size(mcbuffer->buffer, buf_size - streamheader_size);
+       LOGD("AFTER  : mcbuffer->buffer of size %" G_GSIZE_FORMAT "",  gst_buffer_get_size(mcbuffer->buffer));
+
+       return ret;
+}
+
+int __mc_set_caps_codecdata(mc_gst_core_t *core, GstMCBuffer *mcbuffer, guint fixed_size)
+{
+       gint ret = MC_ERROR_NONE;
+       uint32_t codec_data_size = 0;
+       GstMapInfo map;
+       GstBuffer *codecdata_buffer;
+       guint8 *data = NULL;
+       void *codec_data = NULL;
+
+       media_packet_get_codec_data(mcbuffer->packet, &codec_data, &codec_data_size);
+
+       if (codec_data != NULL) {               /* get the codec data from media_packet_get_codec_data() */
+               data = g_malloc0(codec_data_size);
+
+               memcpy(data, codec_data, codec_data_size);
+
+               free(codec_data);
+               codec_data = NULL;
+
+               codecdata_buffer = gst_buffer_new_wrapped(data, codec_data_size);
+               gst_caps_set_simple(core->caps, "codec_data", GST_TYPE_BUFFER, codecdata_buffer, NULL);
+
+               LOGD("set codec data : %" G_GSIZE_FORMAT "", gst_buffer_get_size(codecdata_buffer));
+
+               gst_buffer_unref(codecdata_buffer);
+       } else {                                        /* get the codec data from media_packet_get_buffer_data_ptr() */
+               uint64_t buffer_size = 0;
+               void *buff_data = NULL;
+
+               media_packet_get_buffer_size(mcbuffer->packet, &buffer_size);
+               media_packet_get_buffer_data_ptr(mcbuffer->packet, &buff_data);
+
+               /* For audio, it's necessary to change the offset value of buffer after extracting csd */
+               /* it's not necessary to set csd to caps in case of annex-b */
+               if (buffer_size > fixed_size) {
+                       data = g_malloc0(fixed_size);
+                       gst_buffer_map(mcbuffer->buffer, &map, GST_MAP_READ);
+                       memcpy(data, map.data, fixed_size);
+                       codecdata_buffer = gst_buffer_new_wrapped(data, fixed_size);
+                       gst_caps_set_simple(core->caps, "codec_data", GST_TYPE_BUFFER, codecdata_buffer, NULL);
+                       gst_buffer_unref(codecdata_buffer);
+
+                       gst_buffer_replace_memory(mcbuffer->buffer, 0,
+                                       gst_memory_new_wrapped(GST_MEMORY_FLAG_READONLY, map.data + fixed_size , buffer_size - fixed_size, 0,
+                                               buffer_size - fixed_size, mcbuffer, (GDestroyNotify)__mc_input_buffer_finalize_cb));
+
+                       LOGD("after : set codec data from packet: %" G_GSIZE_FORMAT "",  gst_buffer_get_size(mcbuffer->buffer));
+                       gst_buffer_unmap(mcbuffer->buffer, &map);
+               }
+       }
+       return ret;
 }
 
-int __mc_sprddec_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
+int _mc_output_media_packet_new(mc_gst_core_t *core, bool video, bool encoder, media_format_mimetype_e out_mime)
 {
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
+       if (media_format_create(&core->output_fmt) != MEDIA_FORMAT_ERROR_NONE) {
+               LOGE("media format create failed");
+               return MC_ERROR;
+       }
+       mc_gst_port_def_t *port_def = &core->ports[out_port_index]->port_def;
 
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
+       if (video) {
+               media_format_set_video_mime(core->output_fmt, out_mime);
+               media_format_set_video_width(core->output_fmt, port_def->info.video.width);
+               media_format_set_video_height(core->output_fmt, port_def->info.video.height);
 
-    LOGD("%d, %d, ", dec_info->width, dec_info->height);
-    *caps = gst_caps_new_simple(core->mime,
-            "width", G_TYPE_INT, dec_info->width,
-            "height", G_TYPE_INT, dec_info->height,
-            "framerate", GST_TYPE_FRACTION, 30, 1, NULL);
+               if (encoder)
+                       media_format_set_video_avg_bps(core->output_fmt, port_def->info.video.bitrate);
+       } else {
+               media_format_set_audio_mime(core->output_fmt, out_mime);
+               media_format_set_audio_channel(core->output_fmt, port_def->info.audio.channel);
+               media_format_set_audio_samplerate(core->output_fmt, port_def->info.audio.samplerate);
+               media_format_set_audio_bit(core->output_fmt, port_def->info.audio.bit_depth);
 
-    LOGD("mime : %s, widht :%d, height : %d", core->mime, dec_info->width, dec_info->height);
+               if (encoder)
+                       media_format_set_audio_avg_bps(core->output_fmt, port_def->info.audio.bitrate);
+       }
 
-    return MC_ERROR_NONE;
+       return MC_ERROR_NONE;
 }
 
-int __mc_vdec_h263_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
+/*
+ * mc_gst_core functions
+ */
+static mc_gst_core_t *mc_gst_core_new()
 {
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+       mc_gst_core_t *core;
 
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
+       MEDIACODEC_FENTER();
 
-    *caps = gst_caps_new_simple(core->mime,
-            "variant", G_TYPE_STRING, "itu", NULL);
+       core = g_new0(mc_gst_core_t, 1);
 
-    LOGD("mime : %s, widht :%d, height : %d", core->mime, dec_info->width, dec_info->height);
-    return MC_ERROR_NONE;
-}
+       /* 0 : input, 1 : output */
+       core->ports[0] = mc_gst_port_new(core);
+       core->ports[0]->index = 0;
+       core->ports[1] = mc_gst_port_new(core);
+       core->ports[1]->index = 1;
 
-int __mc_vdec_mpeg4_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
-{
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
+       core->available_queue = g_new0(mc_aqueue_t, 1);
+       core->available_queue->input = mc_async_queue_new();
 
-    *caps = gst_caps_new_simple(core->mime,
-            "mpegversion", G_TYPE_INT, 4,
-            "systemstream", G_TYPE_BOOLEAN, false, NULL);
+       g_mutex_init(&core->eos_mutex);
+       g_cond_init(&core->eos_cond);
+       g_cond_init(&core->buffer_cond);
+       g_cond_init(&core->out_buffer_cond);
+       g_mutex_init(&core->prepare_lock);
+       g_mutex_init(&core->drain_lock);
 
-    LOGD("mime : %s, widht :%d, height : %d", core->mime, dec_info->width, dec_info->height);
-    return MC_ERROR_NONE;
-}
+       core->need_drain = false;
+       core->need_feed = false;
+       core->eos = false;
+       core->need_codec_data = false;
+       core->need_sync_flag = false;
+       core->unprepare_flag = false;
+       core->prepare_count = 0;
+       core->etb_count = 0;
+       core->codec_data = NULL;
+       core->allocator = gst_tizen_allocator_new();
 
-int __mc_vdec_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
-{
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+       core->bufmgr = NULL;
+       core->drm_fd = -1;
 
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
+       LOGD("gst_core(%p) is created", core);
 
-    *caps = gst_caps_new_simple(core->mime,
-            "alignment", G_TYPE_STRING, "au",
-            "stream-format", G_TYPE_STRING, "byte-stream", NULL);
+       MEDIACODEC_FLEAVE();
 
-    LOGD("mime : %s, widht :%d, height : %d", core->mime, dec_info->width, dec_info->height);
-    return MC_ERROR_NONE;
+       return core;
 }
 
-int __mc_vdec_h264_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
+static void mc_gst_core_free(mc_gst_core_t *core)
 {
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+       MEDIACODEC_FENTER();
 
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
+       g_mutex_clear(&core->eos_mutex);
+       g_mutex_clear(&core->prepare_lock);
+       g_mutex_clear(&core->drain_lock);
+       g_cond_clear(&core->eos_cond);
+       g_cond_clear(&core->buffer_cond);
+       g_cond_clear(&core->out_buffer_cond);
 
-    *caps = gst_caps_new_simple(core->mime,
-            "alignment", G_TYPE_STRING, "au",
-            "stream-format", G_TYPE_STRING, "byte-stream", NULL);
+       mc_async_queue_free(core->available_queue->input);
+       g_free(core->available_queue);
+       core->available_queue = NULL;
 
-    LOGD("mime : %s, widht :%d, height : %d", core->mime, dec_info->width, dec_info->height);
-    return MC_ERROR_NONE;
-}
-
-int __mc_aenc_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
-{
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+       if (core->allocator) {
+               gst_object_unref(core->allocator);
+               core->allocator = NULL;
+       }
 
-    mc_encoder_info_t *enc_info = (mc_encoder_info_t *)core->codec_info;
+       if (core->codec_data)
+               gst_buffer_unref(core->codec_data);
 
-    *caps = gst_caps_new_simple(core->mime,
-            "rate", G_TYPE_INT, enc_info->samplerate,
-            "channels", G_TYPE_INT, enc_info->channel,
-            "format", G_TYPE_STRING, "F32LE",
-            "layout", G_TYPE_STRING, "interleaved", NULL);
+       if (core->ports[0] != NULL) {
+               mc_gst_port_free(core->ports[0]);
+               core->ports[0] = NULL;
+       }
 
-/*
-+----GstAudioEncoder
-     +----avenc_aac
+       if (core->ports[1] != NULL) {
+               mc_gst_port_free(core->ports[1]);
+               core->ports[1] = NULL;
+       }
 
-Element Properties:
-  compliance          : Adherence of the encoder to the specifications
-                                flags: readable, writable
-                                Enum "GstFFMpegCompliance" Default: 0, "normal"
-                                (2): verystrict         - Strictly conform to older spec
-                                (1): strict                - Strictly conform to current spec
-                                (0): normal             - Normal behavior
-                                (-1): unofficial       - Allow unofficial extensions
-                                (-2): experimental  - Allow nonstandardized experimental things
-*/
-    g_object_set(GST_OBJECT(core->codec), "compliance", -2, NULL);
+       LOGD("gst_core(%p) destroyed", core);
+       g_free(core);
 
-    LOGD("mime : %s, samplerate :%d, channel : %d", core->mime, enc_info->samplerate, enc_info->channel);
-
-    return MC_ERROR_NONE;
+       MEDIACODEC_FLEAVE();
 }
 
-int __mc_aenc_aac_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
-{
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    mc_encoder_info_t *enc_info = (mc_encoder_info_t *)core->codec_info;
-
-    *caps = gst_caps_new_simple(core->mime,
-            "rate", G_TYPE_INT, enc_info->samplerate,
-            "channels", G_TYPE_INT, enc_info->channel,
-            "format", G_TYPE_STRING, "F32LE",
-            "layout", G_TYPE_STRING, "interleaved", NULL);
-
-    g_object_set(GST_OBJECT(core->codec), "compliance", -2, NULL);
-
-    LOGD("mime : %s, samplerate :%d, channel : %d", core->mime, enc_info->samplerate, enc_info->channel);
-
-    return MC_ERROR_NONE;
-}
-
-int __mc_aenc_amrnb_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
-{
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    mc_encoder_info_t *enc_info = (mc_encoder_info_t *)core->codec_info;
+/*
+ * mc_gst_port functions
+ */
+static mc_gst_port_t *mc_gst_port_new(mc_gst_core_t *core)
+{
+       MEDIACODEC_FENTER();
+
+       mc_gst_port_t *port;
+
+       port = g_new0(mc_gst_port_t, 1);
+       port->core = core;
+       port->num_buffers = -1;
+       port->buffer_size = 0;
+       port->is_allocated = 0;
+
+       g_mutex_init(&port->mutex);
+       port->queue = g_queue_new();
+
+       LOGD("gst_port(%p) created", port);
+
+       MEDIACODEC_FLEAVE();
+       return port;
+}
+
+static void mc_gst_port_free(mc_gst_port_t *port)
+{
+       MEDIACODEC_FENTER();
+
+       g_mutex_clear(&port->mutex);
+       g_queue_free(port->queue);
+
+       LOGD("gst_port(%p) freed", port);
+       g_free(port);
+
+       MEDIACODEC_FLEAVE();
+
+       return;
+}
+
+gboolean _mc_update_packet_info(mc_gst_core_t *core, media_format_h format)
+{
+       int ret = MEDIA_FORMAT_ERROR_NONE;
+       gint bitrate = 0;
+       gboolean is_format_change = FALSE;
+
+       mc_gst_port_def_t *input_port_def = &core->ports[in_port_index]->port_def;
+
+       if (core->video) {
+               gint width = 0;
+               gint height = 0;
+               gint framerate = 0;
+               gchar *sformat = NULL;
+               media_format_mimetype_e mimetype = 0;
+
+               ret = media_format_get_video_info(format, &mimetype, &width, &height, &bitrate, NULL);
+               ret |= media_format_get_video_frame_rate(format, &framerate);
+               if (ret != MEDIA_FORMAT_ERROR_NONE) {
+                       LOGE("get video info/frame_rate failed[0x%x]", ret);
+                       return FALSE;
+               }
+
+               is_format_change |= input_port_def->info.video.width != width;
+               is_format_change |= input_port_def->info.video.height != height;
+               is_format_change |= ((input_port_def->info.video.framerate != framerate) && (framerate != 0));
+               if (is_format_change) {
+                       LOGD("Format changed : resolution %dx%d -> %dx%d, framerate %d -> %d",
+                               input_port_def->info.video.width, input_port_def->info.video.height, width, height,
+                               input_port_def->info.video.framerate, framerate);
+                       input_port_def->info.video.width = width;
+                       input_port_def->info.video.height = height;
+               }
+
+               if (core->encoder) {
+                       bitrate *= 1000;
+                       sformat = __mc_get_gst_input_format(mimetype, core->is_hw);
+                       is_format_change |= ((input_port_def->info.video.bitrate != bitrate) && (bitrate != 0));
+                       is_format_change |= g_strcmp0(input_port_def->info.video.format, sformat);
+                       if (is_format_change) {
+                               if (bitrate != 0) {
+                                       LOGD("Bitrate changed : %d -> %d", input_port_def->info.video.bitrate, bitrate);
+                                       input_port_def->info.video.bitrate = bitrate;
+                               }
+                               LOGD("Format changed : %s -> %s", input_port_def->info.video.format, sformat);
+                               input_port_def->info.video.format = g_strdup(sformat);
+                       }
+               }
+       } else {
+               gint channel;
+               gint samplerate;
+               gint bit;
 
-    *caps = gst_caps_new_simple(core->mime,
-            "rate", G_TYPE_INT, enc_info->samplerate,
-            "channels", G_TYPE_INT, enc_info->channel,
-            "format", G_TYPE_STRING, "S16LE",
-            "layout", G_TYPE_STRING, "interleaved",
-            NULL);
+               ret = media_format_get_audio_info(format, NULL, &channel, &samplerate, &bit, &bitrate);
+               if (ret != MEDIA_FORMAT_ERROR_NONE) {
+                       LOGE("get audio info failed[0x%x]", ret);
+                       return FALSE;
+               }
 
-    LOGD("mime : %s,  samplerate :%d, channel : %d", core->mime, enc_info->samplerate, enc_info->channel);
+               is_format_change |= input_port_def->info.audio.channel != channel;
+               is_format_change |= input_port_def->info.audio.samplerate != samplerate;
+               is_format_change |= input_port_def->info.audio.bit_depth != bit;
+               if (is_format_change) {
+                       LOGD("Audio info. changed : %d -> %d, %d -> %d, %d -> %d",
+                               input_port_def->info.audio.channel, channel,
+                               input_port_def->info.audio.samplerate, samplerate,
+                               input_port_def->info.audio.bit_depth, bit);
+                       input_port_def->info.audio.channel = channel;
+                       input_port_def->info.audio.samplerate = samplerate;
+                       input_port_def->info.audio.bit_depth = bit;
+               }
+
+               if (core->encoder) {
+                       bitrate *= 1000;
+                       is_format_change |= ((input_port_def->info.audio.bitrate != bitrate) && (bitrate != 0));
+                       if (is_format_change) {
+                               LOGD("Bitrate changed : %d -> %d", input_port_def->info.audio.bitrate, bitrate);
+                               input_port_def->info.audio.bitrate = bitrate;
+                       }
+               }
+       }
 
-    return MC_ERROR_NONE;
+       return is_format_change;
 }
 
-int __mc_adec_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
-{
-    int ret = MC_ERROR_NONE;
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
+static gboolean _mc_gst_video_info_check_and_new(mc_gst_core_t *core, GstMCBuffer *mcbuffer)
+{
+       int i = 0;
+       gchar *caps_str = NULL;
+       tbm_surface_h surface = NULL;
+       tbm_surface_info_s sinfo = {0, };
+
+       if (!core || !mcbuffer) {
+               LOGE("NULL core[%p] or mcbuffer[%p]", core, mcbuffer);
+               return FALSE;
+       }
+
+       if (!core->video_info) {
+               caps_str = gst_caps_to_string(core->caps);
+
+               LOGI("caps[%s] to video info", caps_str);
+
+               g_free(caps_str);
+
+               core->video_info = gst_video_info_new_from_caps(core->caps);
+               if (!core->video_info) {
+                       LOGE("video info failed");
+                       return FALSE;
+               }
+
+               if (media_packet_get_tbm_surface(mcbuffer->packet, &surface) != MEDIA_PACKET_ERROR_NONE) {
+                       LOGE("get surface failed");
+                       return FALSE;
+               }
+
+               if (tbm_surface_get_info(surface, &sinfo) != TBM_SURFACE_ERROR_NONE) {
+                       LOGE("get surface info failed");
+                       return FALSE;
+               }
+
+               for (i = 0 ; i < sinfo.num_planes ; i++) {
+                       GST_VIDEO_INFO_PLANE_OFFSET(core->video_info, i) = sinfo.planes[i].offset;
+                       GST_VIDEO_INFO_PLANE_STRIDE(core->video_info, i) = sinfo.planes[i].stride;
+
+                       LOGI("[%d] offset[%zu], stride[%d]", i,
+                               GST_VIDEO_INFO_PLANE_OFFSET(core->video_info, i),
+                               GST_VIDEO_INFO_PLANE_STRIDE(core->video_info, i));
+               }
+
+               LOGI("new video info[%p]", core->video_info);
+       }
+
+       return TRUE;
+}
+
+static void _mc_gst_video_info_free(mc_gst_core_t *core)
+{
+       if (!core)
+               return;
+
+       if (core->video_info) {
+               LOGI("free video info[%p]", core->video_info);
+               gst_video_info_free(core->video_info);
+               core->video_info = NULL;
+       }
+}
+
+static void _mc_gst_video_meta_add(mc_gst_core_t *core, GstBuffer *buffer)
+{
+       GstVideoMeta *vmeta = NULL;
+
+       if (!core || !core->video_info || !buffer)
+               return;
+
+       vmeta = gst_buffer_add_video_meta_full(buffer, GST_VIDEO_FRAME_FLAG_NONE,
+               GST_VIDEO_INFO_FORMAT(core->video_info),
+               GST_VIDEO_INFO_WIDTH(core->video_info),
+               GST_VIDEO_INFO_HEIGHT(core->video_info),
+               GST_VIDEO_INFO_N_PLANES(core->video_info),
+               core->video_info->offset,
+               core->video_info->stride);
+
+       if (!vmeta) {
+               LOGE("No video meta");
+               return;
+       }
+
+       if (core->is_hw) {
+               vmeta->map = gst_tizen_video_meta_map;
+               vmeta->unmap = gst_tizen_video_meta_unmap;
+       }
+}
+
+static int _mc_set_codec_data(mc_gst_core_t *core, GstMCBuffer *mcbuffer, bool codec_config)
+{
+       MEDIACODEC_FENTER();
+
+       g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+       g_return_val_if_fail(mcbuffer != NULL, MC_PARAM_ERROR);
 
-    LOGD("CAPS for codec_id (MEDIACODEC_AAC_LC - normal ADTS)");
-    *caps = gst_caps_new_simple(core->mime,
-            "framed", G_TYPE_BOOLEAN, TRUE,
-            "mpegversion", G_TYPE_INT, 4,
-            "stream-format", G_TYPE_STRING, "adts",
-            "rate", G_TYPE_INT, dec_info->samplerate,
-            "channels", G_TYPE_INT, dec_info->channel,
-            NULL);
+       int ret = MC_ERROR_NONE;
 
-    if (codec_config && (!core->encoder)) {
-        guint codecdata_size = 16;         /*AAC_CODECDATA_SIZE = 16 (in testsuit)*/
-        ret = __mc_set_caps_codecdata(core, caps, buff, codecdata_size);
-        if (ret != MC_ERROR_NONE) {
-            LOGW("__mc_set_caps_codecdata failed");
-            return ret;
-        }
-    }
+       switch (core->codec_id) {
+       case MEDIACODEC_AAC:
+       case MEDIACODEC_AAC_HE:
+       case MEDIACODEC_AAC_HE_PS:
+               if (codec_config) {
+                       ret = __mc_set_caps_codecdata(core, mcbuffer, AAC_CODECDATA_SIZE);
+                       if (ret != MC_ERROR_NONE)
+                               LOGW("__mc_set_caps_codecdata failed");
+               }
+               break;
+       case MEDIACODEC_WMAV1:
+       case MEDIACODEC_WMAV2:
+       case MEDIACODEC_WMAPRO:
+       case MEDIACODEC_WMALSL:
+               if (codec_config) {
+                       ret = __mc_set_caps_codecdata(core, mcbuffer, WMA_CODECDATA_SIZE);
+                       if (ret != MC_ERROR_NONE)
+                               LOGW("__mc_set_caps_codecdata failed");
+               }
+               break;
+       case MEDIACODEC_VORBIS:
+       case MEDIACODEC_FLAC:
+       case MEDIACODEC_OPUS:
+               if (codec_config) {
+                       ret = __mc_set_caps_streamheader(core, mcbuffer, VORBIS_CODECDATA_SIZE);
+                       if (ret != MC_ERROR_NONE)
+                               LOGW("__mc_set_caps_streamheader failed");
+               }
+               break;
+       case MEDIACODEC_H264:
+       case MEDIACODEC_MPEG4:
+               ret = __mc_set_caps_codecdata(core, mcbuffer, CODECDATA_NOT_USE);
+               if (ret != MC_ERROR_NONE)
+                       LOGW("__mc_set_caps_codecdata failed");
+               break;
+       default:
+               LOGD("doesn't need to set codecdata");
+               break;
+       }
+
+       MEDIACODEC_FLEAVE();
+       return ret;
 
-    LOGD("mime : %s, samplerate :%d, channel : %d", core->mime, dec_info->samplerate, dec_info->channel);
 
-    return ret;
 }
 
-int __mc_adec_aac_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
+static gpointer feed_task(gpointer data)
 {
-    int ret = MC_ERROR_NONE;
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
-
-    LOGD("CAPS for codec_id (MEDIACODEC_AAC_LC - normal ADTS)");
-    *caps = gst_caps_new_simple(core->mime,
-            "framed", G_TYPE_BOOLEAN, TRUE,
-            "mpegversion", G_TYPE_INT, 4,
-            "stream-format", G_TYPE_STRING, "adts",
-            "rate", G_TYPE_INT, dec_info->samplerate,
-            "channels", G_TYPE_INT, dec_info->channel,
-            NULL);
-
-    if (codec_config && (!core->encoder)) {
-        guint codecdata_size = 16;         /*AAC_CODECDATA_SIZE = 16 (in testsuit)*/
-        ret = __mc_set_caps_codecdata(core, caps, buff, codecdata_size);
-        if (ret != MC_ERROR_NONE) {
-            LOGW("__mc_set_caps_codecdata failed");
-            return ret;
-        }
-    }
+       gint ret = MC_ERROR_NONE;
+       bool codec_config = FALSE;
+       bool eos = FALSE;
+       bool initiative = TRUE;
+       bool is_format_change = FALSE;
+       media_format_h format = NULL;
+       media_packet_h input_buffer = NULL;
+       GstMCBuffer *mcbuffer = NULL;
+
+       MEDIACODEC_FENTER();
+
+       mc_gst_core_t *core = (mc_gst_core_t *)data;
+
+       while (g_atomic_int_get(&core->available_queue->running)) {
+               LOGD("waiting for next input....");
+               input_buffer = _mc_get_input_buffer(core);
+               if (!input_buffer)
+                       goto LEAVE;
+
+               media_packet_get_format(input_buffer,  &format);
+               if (format) {
+                       if (_mc_update_packet_info(core, format)) {
+                               is_format_change = TRUE;
+                               if (!core->mc_caps_new(core, core->codec_id, in_port_index)) {
+                                       LOGE("caps new failed");
+                                       goto ERROR;
+                               }
+                       }
+                       media_format_unref(format);
+               }
+
+               if (media_packet_is_codec_config(input_buffer, &codec_config) != MEDIA_PACKET_ERROR_NONE) {
+                       LOGE("media_packet_is_codec_config failed");
+                       goto ERROR;
+               }
+
+               if (media_packet_is_end_of_stream(input_buffer, &eos) != MEDIA_PACKET_ERROR_NONE) {
+                       LOGE("media_packet_is_end_of_stream failed");
+                       goto ERROR;
+               }
+               /*
+                * receive an eos packet. For decoder + encoder case, encoder always get tbm surface plane first from input data,
+                * but eos packet only has flag not valid data, so we don't put it to downstream.
+                */
+               if (eos) {
+                       LOGD("end of stream");
+                       gst_app_src_end_of_stream(GST_APP_SRC(core->appsrc));
+                       _mc_wait_for_eos(core);
+                       initiative = TRUE;
+
+                       _mc_gst_handle_input_buffer_used(core, input_buffer);
+                       goto LEAVE;
+               }
+
+               mcbuffer = _mc_gst_media_packet_to_gstbuffer(core, input_buffer, codec_config);
+               if (!mcbuffer) {
+                       LOGW("gstbuffer can't make");
+                       goto ERROR;
+               }
+               /* mcbuffer took the ownership of the input_buffer, so set input_buffer to NULL to aviod double unref */
+               input_buffer = NULL;
+
+               if (codec_config || initiative) {
+                       GstPad *pad = NULL;
+                       if (!core->encoder) {
+                               ret = _mc_set_codec_data(core, mcbuffer, codec_config);
+                               if (ret != MC_ERROR_NONE) {
+                                       LOGE("failed to set codec data");
+                                       gst_buffer_unref(mcbuffer->buffer);
+                                       goto ERROR;
+                               }
+                       }
+                       pad = gst_element_get_static_pad(core->appsrc, "src");
+                       gst_pad_push_event(pad, gst_event_new_stream_start("start"));
+                       gst_object_unref(pad);
+                       is_format_change = TRUE;
+                       initiative = FALSE;
+                       core->offset = GST_BUFFER_OFFSET_NONE;
+               }
+
+               if (is_format_change) {
+                       g_object_set(core->appsrc, "caps", core->caps, NULL);
+
+                       if (core->encoder) {
+                               int bitrate = core->video ? \
+                                       core->ports[in_port_index]->port_def.info.video.bitrate : \
+                                       core->ports[in_port_index]->port_def.info.audio.bitrate;
+
+                               g_object_set(core->codec, core->codec_type->property->bitrate_name, bitrate, NULL);
+
+                               LOGI("bitrate[property:%s,v:%d] %d updated",
+                                       core->codec_type->property->bitrate_name, core->video, bitrate);
+                       }
+
+                       is_format_change = FALSE;
+               }
+
+
+               /* inject buffer */
+               ret = _mc_gst_gstbuffer_to_appsrc(core, mcbuffer);
+               if (ret != GST_FLOW_OK) {
+                       LOGE("Failed to push gst buffer");
+                       goto ERROR;
+               }
+
+               continue;
+ERROR:
+               if (input_buffer)
+                       _mc_gst_handle_input_buffer_used(core, input_buffer);
 
-    LOGD("mime : %s, samplerate :%d, channel : %d", core->mime, dec_info->samplerate, dec_info->channel);
+               _mc_gst_set_flush_input(core);
 
-    return ret;
-}
+               if (core->user_cb[_MEDIACODEC_EVENT_TYPE_ERROR]) {
+                       ((mc_error_cb) core->user_cb[_MEDIACODEC_EVENT_TYPE_ERROR])
+                               (MC_INTERNAL_ERROR, core->user_data[_MEDIACODEC_EVENT_TYPE_ERROR]);
+               }
 
-int __mc_adec_aacv12_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer *buff, bool codec_config)
-{
-    int ret = MC_ERROR_NONE;
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
+               continue;
+LEAVE:
+               /*LOGE("status : input_buffer : %p, codec_config : %d, eos : %d, encoder : %d in feed_task", input_buffer, codec_config, eos, core->encoder);*/
+               continue;
 
-    LOGD("CAPS for codec_id (MEDIACODEC_AAC_HE and _PS - MP4/M4A case)");
-    *caps = gst_caps_new_simple(core->mime,
-            "mpegversion", G_TYPE_INT, 4,     /*TODO : need adding version /profile*/
-            "framed", G_TYPE_BOOLEAN, TRUE,
-            "stream-format", G_TYPE_STRING, "raw",
-            "channels", G_TYPE_INT, dec_info->channel,
-            "rate", G_TYPE_INT, dec_info->samplerate,
-            NULL);
+       }
 
-    if (codec_config && (!core->encoder)) {
-        guint codecdata_size = 16;         /*AAC_CODECDATA_SIZE = 16 (in testsuit)*/
-        ret = __mc_set_caps_codecdata(core, caps, buff, codecdata_size);
-        if (ret != MC_ERROR_NONE) {
-            LOGW("__mc_set_caps_codecdata failed");
-            return ret;
-        }
-    }
+       LOGI("status : input_buffer : %p, codec_config : %d, eos : %d, video : %d, encoder : %d in feed_task",
+                       input_buffer, codec_config, eos, core->video, core->encoder);
+       LOGD("feed task finished %p v(%d)e(%d)", core, core->video, core->encoder);
 
-    LOGD("mime : %s, samplerate :%d, channel : %d", core->mime, dec_info->samplerate, dec_info->channel);
+       MEDIACODEC_FLEAVE();
 
-    return ret;
+       return NULL;
 }
 
-int __mc_adec_mp3_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer *buff, bool codec_config)
+static void _mc_gst_feed_task_new(mc_gst_core_t *core)
 {
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
-
-    *caps = gst_caps_new_simple(core->mime,
-            "framed", G_TYPE_BOOLEAN, TRUE,
-            "mpegversion", G_TYPE_INT, 1,       /* To-Do : plz check */
-            "mpegaudioversion", G_TYPE_INT, 1,  /* To-Do : plz check */
-            "layer", G_TYPE_INT, 3,             /* To-Do : plz check */
-            "rate", G_TYPE_INT, dec_info->samplerate,
-            "channels", G_TYPE_INT, dec_info->channel,
-            NULL);
+       g_return_if_fail(core && core->available_queue);
 
-    LOGD("mime : %s, samplerate :%d, channel : %d", core->mime, dec_info->samplerate, dec_info->channel);
+       g_atomic_int_set(&core->available_queue->running, 1);
+       core->available_queue->thread = g_thread_new("feed thread", &feed_task, core);
 
-    return MC_ERROR_NONE;
+       LOGI("new thread for feed[%p]", core->available_queue->thread);
 }
 
-int __mc_adec_amrnb_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer *buff, bool codec_config)
+static void _mc_gst_feed_task_free(mc_gst_core_t *core)
 {
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+       g_return_if_fail(core && core->available_queue);
 
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
+       mc_async_queue_disable(core->available_queue->input);
 
-    *caps = gst_caps_new_simple(core->mime,
-            "rate", G_TYPE_INT, 8000,
-            "channels", G_TYPE_INT, dec_info->channel,    /* FIXME - by 1 */
-            NULL);
+       g_atomic_int_set(&core->available_queue->running, 0);
+       g_thread_join(core->available_queue->thread);
 
-    LOGD("mime : %s,  samplerate :%d, channel : %d", core->mime, dec_info->samplerate, dec_info->channel);
-
-    return MC_ERROR_NONE;
+       LOGI("feed thread[%p] is released", core->available_queue->thread);
 }
 
-int __mc_adec_amrwb_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer *buff, bool codec_config)
+static void __mc_gst_stop_feed(GstElement *pipeline, gpointer data)
 {
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
-
-    *caps = gst_caps_new_simple(core->mime,
-            "rate", G_TYPE_INT, 16000,
-            "channels", G_TYPE_INT, dec_info->channel,    /* FIXME - by 1 */
-            NULL);
+       mc_gst_core_t *core = (mc_gst_core_t *)data;
 
-    LOGD("mime : %s, samplerate :%d, channel : %d", core->mime, dec_info->samplerate, dec_info->channel);
-
-    return MC_ERROR_NONE;
+       LOGI("stop_feed called");
+       if (core->user_cb[_MEDIACODEC_EVENT_TYPE_BUFFER_STATUS]) {
+               ((mc_buffer_status_cb) core->user_cb[_MEDIACODEC_EVENT_TYPE_BUFFER_STATUS])
+                       (MEDIACODEC_ENOUGH_DATA, core->user_data[_MEDIACODEC_EVENT_TYPE_BUFFER_STATUS]);
+       }
 }
 
-int __mc_adec_vorbis_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer *buff, bool codec_config)
+static void __mc_gst_start_feed(GstElement *pipeline, guint size, gpointer data)
 {
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
-    int ret = MC_ERROR_NONE;
-
-    *caps = gst_caps_new_simple(core->mime,
-            "channels", G_TYPE_INT, dec_info->channel,
-            "rate", G_TYPE_INT, dec_info->samplerate,
-            /* FIXME - Insert 'Stream Header' */
-            NULL);
-
-    LOGD(" ----- VORBIS Need Additional Caps -----------");
-    /*
-      * Need to extract from each Stream header ... or
-      * Need to get Demuxer's Caps from each Stream heade
-      */
-    if (codec_config && (!core->encoder)) {
-        guint streamheader_size = 4096;         /* VORBIS_CODECDATA_SIZE = 4096 */
-        ret = __mc_set_caps_streamheader(core, caps, buff, streamheader_size);
-        if (ret != MC_ERROR_NONE) {
-            LOGW("__mc_set_caps_streamheader failed");
-            return ret;
-        }
-    }
-
-    LOGD("mime : %s, samplerate :%d, channel : %d", core->mime, dec_info->samplerate, dec_info->channel);
-
-    return ret;
+       mc_gst_core_t *core = (mc_gst_core_t *)data;
+
+       LOGI("start_feed called");
+
+       if (core->user_cb[_MEDIACODEC_EVENT_TYPE_BUFFER_STATUS]) {
+               ((mc_buffer_status_cb) core->user_cb[_MEDIACODEC_EVENT_TYPE_BUFFER_STATUS])
+                       (MEDIACODEC_NEED_DATA, core->user_data[_MEDIACODEC_EVENT_TYPE_BUFFER_STATUS]);
+       }
+}
+
+static gboolean _mc_gst_aud_caps_new(mc_gst_core_t *core, mediacodec_codec_type_e codec_id, gint index)
+{
+       gchar *caps_string = NULL;
+       g_autoptr(GstCaps) caps = NULL;
+       mc_gst_port_def_t *port_def = &core->ports[index]->port_def;
+
+       caps = gst_caps_new_simple(core->mime,
+               "rate", G_TYPE_INT, port_def->info.audio.samplerate,
+               "channels", G_TYPE_INT, port_def->info.audio.channel, NULL);
+
+       switch (codec_id) {
+       case MEDIACODEC_AAC:
+               if (core->encoder) {
+                       gst_caps_set_simple(caps,
+                               "format", G_TYPE_STRING, _mc_bit_to_string(port_def->info.audio.bit_depth),
+                               "layout", G_TYPE_STRING, "interleaved", NULL);
+                       g_object_set(GST_OBJECT(core->codec), "compliance", -2, NULL);
+               } else {
+                       gst_caps_set_simple(caps,
+                               "framed", G_TYPE_BOOLEAN, TRUE,
+                               "mpegversion", G_TYPE_INT, 4,
+                               "stream-format", G_TYPE_STRING, "adts",
+                               NULL);
+                       LOGD("CAPS for codec_id (MEDIACODEC_AAC_LC - normal ADTS)");
+               }
+               break;
+       case MEDIACODEC_AAC_HE:
+       case MEDIACODEC_AAC_HE_PS:
+               if (core->encoder) {
+                       LOGD("[MC_NOT_SUPPORTED] he-aac-v12 encoder is not supported yet!!!");
+                       return FALSE;
+               } else {
+                       gst_caps_set_simple(caps,
+                               "mpegversion", G_TYPE_INT, 4,
+                               "framed", G_TYPE_BOOLEAN, TRUE,
+                               "stream-format", G_TYPE_STRING, "raw",
+                               NULL);
+                       LOGD("CAPS for codec_id (MEDIACODEC_AAC_HE)");
+               }
+               break;
+       case MEDIACODEC_MP3:
+               if (core->encoder) {
+                       LOGD("[MC_NOT_SUPPORTED] mp3 encoder is not supported yet!!!");
+                       return FALSE;
+               } else {
+                       gst_caps_set_simple(caps,
+                               "framed", G_TYPE_BOOLEAN, TRUE,
+                               "mpegversion", G_TYPE_INT, 1,       /* To-Do : plz check */
+                               "mpegaudioversion", G_TYPE_INT, 1,  /* To-Do : plz check */
+                               "layer", G_TYPE_INT, 3,             /* To-Do : plz check */
+                               NULL);
+                       LOGD("CAPS for codec_id (MEDIACODEC_MP3)");
+               }
+               break;
+       case MEDIACODEC_AMR_NB:
+               if (core->encoder) {
+                       gst_caps_set_simple(caps,
+                               "format", G_TYPE_STRING, _mc_bit_to_string(port_def->info.audio.bit_depth),
+                               "layout", G_TYPE_STRING, "interleaved",
+                               NULL);
+                       LOGD("CAPS for codec_id (MEDIACODEC_AMR_NB)");
+               } else {
+                       gst_caps_set_simple(caps,
+                               "rate", G_TYPE_INT, 8000,
+                               NULL);
+               }
+               break;
+       case MEDIACODEC_AMR_WB:
+               if (core->encoder) {
+                       LOGD("[MC_NOT_SUPPORTED] amr-wb encoder is not supported yet!!!");
+                       return FALSE;
+               } else {
+                       gst_caps_set_simple(caps,
+                               "rate", G_TYPE_INT, 16000,
+                               NULL);
+               }
+               break;
+       case MEDIACODEC_VORBIS:
+               if (core->encoder) {
+                       LOGD("[MC_NOT_SUPPORTED] vorbis encoder is not supported yet!!!");
+                       return FALSE;
+               } else {
+               }
+               break;
+       case MEDIACODEC_FLAC:
+               if (core->encoder) {
+                       LOGD("[MC_NOT_SUPPORTED] flac encoder is not supported yet!!!");
+                       return FALSE;
+               } else {
+                       gst_caps_set_simple(caps,
+                               "framed", G_TYPE_BOOLEAN, TRUE,
+                               /* FIXME - Insert More Info */
+                               NULL);
+               }
+               break;
+       case MEDIACODEC_WMAV1:
+       case MEDIACODEC_WMAV2:
+       case MEDIACODEC_WMAPRO:
+       case MEDIACODEC_WMALSL:
+               if (core->encoder) {
+                       LOGD("[MC_NOT_SUPPORTED] wma encoder is not supported yet!!!");
+                       return FALSE;
+               } else {
+                       /*
+                        * Need to extract from Stream Type Specific ... or
+                        * Need to get Demuxer's Caps from Stream Type Specific
+                        */
+                       guint16 format_tag = 0;
+                       gint wma_version = 0;
+                       gint block_align = 1024;      /*FIXME : Need checking */
+                       gint bitrate = 128000;        /*FIXME : Need checking */
+
+                       LOGD(" ----- WMA Need Additional Caps -----------");
+                       if (core->codec_id == MEDIACODEC_WMAV1) {
+                               format_tag = 352;       /* 0x160 */
+                               wma_version = 1;
+                       } else if (core->codec_id == MEDIACODEC_WMAV2) {
+                               format_tag = 353;       /* 0x161 */
+                               wma_version = 2;
+                       } else if (core->codec_id == MEDIACODEC_WMAPRO) {
+                               format_tag = 354;       /* 0x162 */
+                               wma_version = 3;
+                       } else if (core->codec_id == MEDIACODEC_WMALSL) {
+                               format_tag = 355;       /* 0x163 */
+                               wma_version = 3;
+                       } else {
+                               LOGE("Not support WMA format");
+                       }
+
+                       gst_caps_set_simple(caps,
+                               "bitrate", G_TYPE_INT, bitrate,
+                               "depth", G_TYPE_INT, port_def->info.audio.bit_depth,
+                               /* FIXME - Need More Info */
+                               "wmaversion", G_TYPE_INT, wma_version,
+                               "format_tag", G_TYPE_INT, format_tag,
+                               "block_align", G_TYPE_INT, block_align,
+                               NULL);
+               }
+               break;
+       case MEDIACODEC_OPUS:
+               if (core->encoder) {
+                       gst_caps_set_simple(caps,
+                               "format", G_TYPE_STRING, _mc_bit_to_string(port_def->info.audio.bit_depth),
+                               "layout", G_TYPE_STRING, "interleaved", NULL);
+               } else {
+                       LOGD("[MC_NOT_SUPPORTED] opus decoder is not supported yet!!!");
+                       return FALSE;
+               }
+               break;
+       default:
+               break;
+       }
+
+       caps_string = gst_caps_to_string(caps);
+       if (caps_string) {
+               LOGI("new caps[%p:%s]", caps, caps_string);
+               g_free(caps_string);
+       }
+
+       if (core->caps)
+               gst_caps_unref(core->caps);
+
+       _mc_gst_video_info_free(core);
+
+       core->caps = g_steal_pointer(&caps);
+
+       return TRUE;
+}
+
+static gboolean _mc_gst_vid_caps_new(mc_gst_core_t *core, mediacodec_codec_type_e codec_id, gint index)
+{
+       gchar *caps_string = NULL;
+       GstCaps *caps = NULL;
+       mc_gst_port_def_t *port_def = &core->ports[index]->port_def;
+
+       caps = gst_caps_new_simple(core->mime,
+               "width", G_TYPE_INT, port_def->info.video.width,
+               "height", G_TYPE_INT, port_def->info.video.height,
+               "framerate", GST_TYPE_FRACTION, port_def->info.video.framerate, 1,
+               NULL);
+
+       switch (codec_id) {
+       case MEDIACODEC_H263:
+               if (core->encoder) {
+                       gst_caps_set_simple(caps,
+                               "format", G_TYPE_STRING, port_def->info.video.format,
+                               NULL);
+               } else {
+                       gst_caps_set_simple(caps,
+                               "mpegversion", G_TYPE_INT, 4,
+                               "framerate", GST_TYPE_FRACTION, 30, 1,
+                               NULL);
+               }
+               break;
+       case MEDIACODEC_MPEG4:
+               if (core->encoder) {
+                       gst_caps_set_simple(caps,
+                               "format", G_TYPE_STRING, port_def->info.video.format,
+                               NULL);
+               } else {
+                       gst_caps_set_simple(caps,
+                               "mpegversion", G_TYPE_INT, 4,
+                               "systemstream", G_TYPE_BOOLEAN, false,
+                               "parsed", G_TYPE_BOOLEAN, TRUE,
+                               "framerate", GST_TYPE_FRACTION, 30, 1,
+                               NULL);
+               }
+               break;
+       case MEDIACODEC_H264:
+               if (core->encoder) {
+                       gst_caps_set_simple(caps,
+                               "format", G_TYPE_STRING, port_def->info.video.format,
+                               NULL);
+                       g_object_set(GST_OBJECT(core->codec), "byte-stream", TRUE, NULL);
+                       LOGE("format : %s", port_def->info.video.format);
+               } else {
+                       gst_caps_set_simple(caps,
+                               "parsed", G_TYPE_BOOLEAN, TRUE,  /* FIXME different from sw */
+                               "alignment", G_TYPE_STRING, "au",
+                               "stream-format", G_TYPE_STRING, "byte-stream",
+                               "framerate", GST_TYPE_FRACTION, 30, 1,
+                               NULL);
+               }
+               break;
+       default:
+               break;
+       }
+
+       caps_string = gst_caps_to_string(caps);
+       if (caps_string) {
+               LOGI("new caps[%p:%s]", caps, caps_string);
+               g_free(caps_string);
+       }
+
+       if (core->caps)
+               gst_caps_unref(core->caps);
+       _mc_gst_video_info_free(core);
+
+       core->caps = caps;
+
+       return TRUE;
 }
 
-int __mc_adec_flac_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer *buff, bool codec_config)
+static int _mc_link_vtable(mc_gst_core_t *core, mediacodec_codec_type_e id, gboolean encoder, gboolean is_hw)
 {
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
-    int ret = MC_ERROR_NONE;
-
-    *caps = gst_caps_new_simple(core->mime,
-            "channels", G_TYPE_INT, dec_info->channel,
-            "rate", G_TYPE_INT, dec_info->samplerate,
-            "framed", G_TYPE_BOOLEAN, TRUE,
-            /* FIXME - Insert More Info */
-            NULL);
-
-    LOGD(" ----- FLAC Need Additional Caps -----------");
-    /*
-      * Need to extract from each Stream header ... or
-      * Need to get Demuxer's Caps from each Stream heade
-      */
-    if (codec_config && (!core->encoder)) {
-        guint streamheader_size = 4096;         /* FLAC_CODECDATA_SIZE = 4096 */
-        ret = __mc_set_caps_streamheader(core, caps, buff, streamheader_size);
-        if (ret != MC_ERROR_NONE) {
-            LOGW("__mc_set_caps_streamheader failed");
-            return ret;
-        }
-    }
-
-    LOGD("mime : %s, samplerate :%d, channel : %d", core->mime, dec_info->samplerate, dec_info->channel);
-
-    return ret;
+       MEDIACODEC_FENTER();
+
+       g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
+
+       switch (id) {
+       case MEDIACODEC_AAC:
+               if (encoder)
+                       core->vtable = aenc_aac_vtable;
+               else
+                       core->vtable = adec_aac_vtable;
+               break;
+       case MEDIACODEC_AAC_HE:
+       case MEDIACODEC_AAC_HE_PS:
+               if (encoder) {
+                       LOGD("[MC_NOT_SUPPORTED] he-aac-v12 encoder is not supported yet!!!");
+                       return MC_NOT_SUPPORTED;
+               } else {
+                       core->vtable = adec_aacv12_vtable;
+               }
+               break;
+       case MEDIACODEC_MP3:
+               if (encoder) {
+                       LOGD("[MC_NOT_SUPPORTED] mp3 encoder is not supported yet!!!");
+                       return MC_NOT_SUPPORTED;
+               } else {
+                       core->vtable = adec_mp3_vtable;
+               }
+               break;
+       case MEDIACODEC_AMR_NB:
+               LOGD("amrnb vtable");
+               if (encoder)
+                       core->vtable = aenc_amrnb_vtable;
+               else
+                       core->vtable = adec_amrnb_vtable;
+               break;
+       case MEDIACODEC_AMR_WB:
+               LOGD("amrwb vtable - Only support decoder");
+               if (encoder) {
+                       LOGD("[MC_NOT_SUPPORTED] amr-wb encoder is not supported yet!!!");
+                       return MC_NOT_SUPPORTED;
+               } else {
+                       core->vtable = adec_amrwb_vtable;
+               }
+               break;
+       case MEDIACODEC_VORBIS:
+               LOGD("vorbis vtable");
+               if (encoder)
+                       return MC_NOT_SUPPORTED;
+               else
+                       core->vtable = adec_vorbis_vtable;
+               break;
+       case MEDIACODEC_FLAC:
+               LOGD("flac vtable");
+               if (encoder) {
+                       LOGD("[MC_NOT_SUPPORTED] flac encoder is not supported yet!!!");
+                       return MC_NOT_SUPPORTED;
+               } else {
+                       core->vtable = adec_flac_vtable;
+               }
+               break;
+       case MEDIACODEC_OPUS:
+               LOGD("opus vtable");
+               if (encoder)
+                       core->vtable = aenc_opus_vtable;
+               else
+                       core->vtable = adec_vtable;
+               break;
+       case MEDIACODEC_WMAV1:
+       case MEDIACODEC_WMAV2:
+       case MEDIACODEC_WMAPRO:
+       case MEDIACODEC_WMALSL:
+               LOGD("wma(V1 / V2 / LSL / PRO) vtable");
+               if (encoder) {
+                       LOGD("[MC_NOT_SUPPORTED] wma encoder is not supported yet!!!");
+                       return MC_NOT_SUPPORTED;
+               } else {
+                       core->vtable = adec_wma_vtable;
+               }
+               break;
+       case MEDIACODEC_H263:
+               LOGD("h263 vtable");
+               if (encoder) {
+                       core->vtable = is_hw ? venc_h263_hw_vtable : venc_h263_sw_vtable;
+               } else {
+                       if (is_hw)
+                               core->vtable = vdec_h263_hw_vtable;
+                       else
+                               core->vtable = vdec_h263_sw_vtable;
+               }
+               break;
+       case MEDIACODEC_MPEG4:
+               LOGD("mpeg4 vtable");
+               if (encoder)
+                       core->vtable = is_hw ? venc_mpeg4_hw_vtable : venc_mpeg4_sw_vtable;
+               else
+                       core->vtable = is_hw ? vdec_mpeg4_hw_vtable : vdec_mpeg4_sw_vtable;
+               break;
+       case MEDIACODEC_H264:
+               LOGD("h264 vtable");
+               if (encoder) {
+                       core->vtable = is_hw ? venc_h264_hw_vtable : venc_vtable;
+               } else {
+                       if (is_hw)
+                               core->vtable = vdec_h264_hw_vtable;
+                       else
+                               core->vtable = vdec_h264_sw_vtable;
+               }
+               break;
+       default:
+               break;
+       }
+
+       MEDIACODEC_FLEAVE();
+
+       return MC_ERROR_NONE;
+}
+
+static gint _mc_gst_gstbuffer_to_appsrc(mc_gst_core_t *core, GstMCBuffer *mcbuffer)
+{
+       return gst_app_src_push_buffer(GST_APP_SRC(core->appsrc), mcbuffer->buffer);
 }
 
-int __mc_adec_wma_caps(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer *buff, bool codec_config)
+media_packet_h _mc_get_input_buffer(mc_gst_core_t *core)
 {
-    int ret = MC_ERROR_NONE;
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    mc_decoder_info_t *dec_info = (mc_decoder_info_t *)core->codec_info;
-
-    /*
-      * Need to extract from Stream Type Specific ... or
-      * Need to get Demuxer's Caps from Stream Type Specific
-      */
-    guint16 format_tag = 0;
-    gint wma_version = 0;
-    gint block_align = 1024;      /*FIXME : Need checking */
-    gint bitrate = 128000;        /*FIXME : Need checking */
-
-    LOGD(" ----- WMA Need Additional Caps -----------");
-    if (core->codec_id == MEDIACODEC_WMAV1) {
-        format_tag = 352;       /* 0x160 */
-        wma_version = 1;
-    } else if (core->codec_id == MEDIACODEC_WMAV2) {
-        format_tag = 353;       /* 0x161 */
-        wma_version = 2;
-    } else if (core->codec_id == MEDIACODEC_WMAPRO) {
-        format_tag = 354;       /* 0x162 */
-        wma_version = 3;
-    } else if (core->codec_id == MEDIACODEC_WMAPRO) {
-        format_tag = 355;       /* 0x163 */
-        wma_version = 3;
-    } else {
-        LOGE("Not support WMA format");
-    }
-
-    *caps = gst_caps_new_simple(core->mime,
-            "rate", G_TYPE_INT, dec_info->samplerate,
-            "channels", G_TYPE_INT, dec_info->channel,
-            "bitrate", G_TYPE_INT, bitrate,
-            "depth", G_TYPE_INT, dec_info->bit,
-            /* FIXME - Need More Info */
-            "wmaversion", G_TYPE_INT, wma_version,
-            "format_tag", G_TYPE_INT, format_tag,
-            "block_align", G_TYPE_INT, block_align,
-            NULL);
-
-    if (codec_config && (!core->encoder)) {
-        guint codecdata_size = 64;         /* WMA_CODECDATA_SIZE = 64 */
-        ret = __mc_set_caps_codecdata(core, caps, buff, codecdata_size);
-        if (ret != MC_ERROR_NONE) {
-            LOGW("__mc_set_caps_codecdata failed");
-            return ret;
-        }
-    }
-
-    LOGD("mime : %s, samplerate :%d, channel : %d", core->mime, dec_info->samplerate, dec_info->channel);
-
-    return ret;
-}
-
-/**
- * _gst_caps_set_buffer_array:
- * @caps: a #GstCaps
- * @field: field in caps to set
- * @buf: header buffers
- *
- * Adds given buffers to an array of buffers set as the given @field
- * on the given @caps.  List of buffer arguments must be NULL-terminated.
- *
- * Returns: input caps with a streamheader field added, or NULL if some error
- */
-static GstCaps *__mc_gst_caps_set_buffer_array(GstCaps * caps, const gchar * field, GstBuffer * buf, ...)
-{
-    GstStructure *structure = NULL;
-    va_list va;
-    GValue array = { 0 };
-    GValue value = { 0 };
-
-    g_return_val_if_fail(caps != NULL, NULL);
-    g_return_val_if_fail(gst_caps_is_fixed(caps), NULL);
-    g_return_val_if_fail(field != NULL, NULL);
-
-    caps = gst_caps_make_writable(caps);
-    structure = gst_caps_get_structure(caps, 0);
-
-    g_value_init(&array, GST_TYPE_ARRAY);
-
-    va_start(va, buf);
-    /* put buffers in a fixed list */
-    while (buf) {
-        g_value_init(&value, GST_TYPE_BUFFER);
-        gst_value_set_buffer(&value, buf);
-        gst_value_array_append_value(&array, &value);
-        g_value_unset(&value);
-
-        buf = va_arg(va, GstBuffer *);
-    }
-    va_end(va);
-
-    gst_structure_take_value(structure, field, &array);
-
-    return caps;
-}
-
-
-int __mc_set_caps_streamheader(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer*buff, guint streamheader_size)
-{
-    int ret = MEDIA_PACKET_ERROR_NONE;
-    void *buf_data = NULL;
-    uint64_t buf_size = 0;
-    GstBuffer *header1, *header2, *header3;
-    guint hsize1, hsize2, hsize3;
-    GstBuffer *tmp_header;
-    guint8 *tmp_buf = NULL;
-    GstMapInfo map;
-
-    ret = media_packet_get_buffer_size(buff->pkt, &buf_size);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("buffer size get fail");
-        return ret;
-    }
-
-    ret = media_packet_get_buffer_data_ptr(buff->pkt, &buf_data);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("buffer size get fail");
-        return ret;
-    }
-
-    LOGD("Set caps for streamheader in mime : %s and codec_id (0x%x)", core->mime, core->codec_id);
-
-    if (core->codec_id == MEDIACODEC_VORBIS) {
-        /*
-          * hsize1 : Identification Header (packet type 1) - fixed 30 byte
-          * hsize2 : Comment Header (packet type 3) - variable byte (need calculate)
-          * hsize3 : Setup Header (packet type 5) - variable byte (Used remained bytes)
-        */
-
-        /* First of all, Need to fins and calculate size of hsize2 */
-        tmp_header = gst_buffer_new_and_alloc(streamheader_size);
-        gst_buffer_fill(tmp_header, 0, buf_data, streamheader_size);
-        gst_buffer_map(tmp_header, &map, GST_MAP_READ);
-        tmp_buf = map.data;
-        tmp_buf += (30 + 7);                /* hsize1 + '0x03' + 'vorbis'*/
-        hsize2 = (7 + 4);
-        hsize2 += GST_READ_UINT32_LE(tmp_buf);
-        hsize2 += (4 + 1);
-        LOGD("Find streamheader hsize2(%d)", hsize2);
-        gst_buffer_unmap(tmp_header, &map);
-        gst_buffer_unref(tmp_header);
-
-        /*  hsize1 : Identification Header (packet type 1) - fixed 30 byte */
-        hsize1 = 30;
-        header1 = gst_buffer_new_and_alloc(hsize1);
-        gst_buffer_fill(header1, 0, buf_data, hsize1);
-        gst_buffer_map(header1, &map, GST_MAP_READ);
-        tmp_buf = map.data;
-        /* '0x01' + 'vorbis' */
-        if (*tmp_buf != 0x01) {
-            LOGE("[ERROR] Invalid Caps of Stream header1");
-            gst_buffer_unmap(header1, &map);
-            return MEDIA_PACKET_ERROR_INVALID_PARAMETER;
-        }
-        gst_buffer_unmap(header1, &map);
-
-        /* hsize2 : Comment Header (packet type 3) - variable byte */
-        header2 = gst_buffer_new_and_alloc(hsize2);
-        gst_buffer_fill(header2, 0,  (buf_data + (hsize1)), hsize2);
-        gst_buffer_map(header2, &map, GST_MAP_READ);
-        tmp_buf = map.data;
-        /* '0x03' + 'vorbis' */
-        if (*tmp_buf != 0x03) {
-            LOGE("[ERROR] Invalid Caps of Stream header2");
-            gst_buffer_unmap(header2, &map);
-            return MEDIA_PACKET_ERROR_INVALID_PARAMETER;
-        }
-        gst_buffer_unmap(header2, &map);
-
-        /* hsize3 : Setup Header (packet type 5) - variable byte */
-        hsize3 = streamheader_size - (hsize1 + hsize2);
-        header3 = gst_buffer_new_and_alloc(hsize3);
-        gst_buffer_fill(header3, 0,  (buf_data + (hsize1 + hsize2)), hsize3);
-        gst_buffer_map(header3, &map, GST_MAP_READ);
-        tmp_buf = map.data;
-        /* '0x05' + 'vorbis' */
-        if (*tmp_buf != 0x05) {
-            LOGE("[ERROR] Invalid Caps of Stream header3");
-            gst_buffer_unmap(header3, &map);
-            return MEDIA_PACKET_ERROR_INVALID_PARAMETER;
-        }
-        gst_buffer_unmap(header3, &map);
-
-        LOGD("[vorbis] streamheader hsize1 (%d) + hsize2 (%d) + hsize3 (%d) = Total (%d)",
-            hsize1, hsize2, hsize3, (hsize1 + hsize2 + hsize3));
-
-        __mc_gst_caps_set_buffer_array(*caps, "streamheader", header1, header2, header3, NULL);
-
-        gst_buffer_unref(header1);
-        gst_buffer_unref(header2);
-        gst_buffer_unref(header3);
-    } else if (core->codec_id == MEDIACODEC_FLAC) {
-        /*
-          * hsize1 : Stream Info (type 0) - fixed 51 byte
-          * hsize2 : Stream Comment (type 4) - variable byte (need calculate)
-        */
-
-        /* First of all, Need to fins and calculate size of hsize2 */
-        tmp_header = gst_buffer_new_and_alloc(streamheader_size);
-        gst_buffer_fill(tmp_header, 0, buf_data, streamheader_size);
-        gst_buffer_map(tmp_header, &map, GST_MAP_READ);
-        tmp_buf = map.data;
-        hsize2 = 4 + ((tmp_buf[52] << 16) | (tmp_buf[53] << 8) | (tmp_buf[54]));
-        LOGD("Find streamheader hsize2(%d)", hsize2);
-        gst_buffer_unmap(tmp_header, &map);
-        gst_buffer_unref(tmp_header);
-
-        /*  hsize1 :  Stream Info (type 0) - fixed 51 byte */
-        hsize1 = 51;
-        header1 = gst_buffer_new_and_alloc(hsize1);
-        gst_buffer_fill(header1, 0, buf_data, hsize1);
-        gst_buffer_map(header1, &map, GST_MAP_READ);
-        tmp_buf = map.data;
-        /* '0x7f' + 'FLAC' */
-        if (*tmp_buf != 0x07f) {
-            LOGE("[ERROR] Invalid Caps of Stream header1 (Info)");
-            gst_buffer_unmap(header1, &map);
-            gst_buffer_unref(header1);
-            return MEDIA_PACKET_ERROR_INVALID_PARAMETER;
-        }
-        gst_buffer_unmap(header1, &map);
-
-        /* hsize2 : Stream Comment (type 4) - variable byte (need calculate) */
-        header2 = gst_buffer_new_and_alloc(hsize2);
-        gst_buffer_fill(header2, 0, (buf_data + (hsize1)), hsize2);
-        gst_buffer_map(header2, &map, GST_MAP_READ);
-        tmp_buf = map.data;
-        /* '0x84' */
-        if (*tmp_buf != 0x84) {
-            LOGE("[ERROR] Invalid Caps of Stream header2 (Comment)");
-            gst_buffer_unmap(header2, &map);
-            gst_buffer_unref(header1);
-            gst_buffer_unref(header2);
-            return MEDIA_PACKET_ERROR_INVALID_PARAMETER;
-        }
-        gst_buffer_unmap(header2, &map);
-
-        LOGD("[flac] streamheader hsize1 (%d) + hsize2 (%d)  = Total (%d)", hsize1, hsize2, (hsize1 + hsize2));
-        __mc_gst_caps_set_buffer_array(*caps, "streamheader", header1, header2, NULL);
-        gst_buffer_unref(header1);
-        gst_buffer_unref(header2);
-    } else {
-        LOGE("Not support case of Stream header Caps");
-    }
-
-    /* Update gstbuffer's data ptr and size for using previous streamheader.*/
-    LOGD("BEFORE : buff->buffer of size %" G_GSIZE_FORMAT "", gst_buffer_get_size(buff->buffer));
-    gst_buffer_remove_memory_range(buff->buffer, streamheader_size, -1);
-    gst_buffer_set_size(buff->buffer, buf_size - streamheader_size);
-    LOGD("AFTER  : buff->buffer of size %" G_GSIZE_FORMAT "",  gst_buffer_get_size(buff->buffer));
-
-    return ret;
-}
-
-
-
-int __mc_set_caps_codecdata(mc_gst_core_t *core, GstCaps **caps, GstMCBuffer *buff, guint codecdata_size)
-{
-    int ret = MEDIA_PACKET_ERROR_NONE;
-    void *buf_data = NULL;
-    uint64_t buf_size = 0;
-    GstBuffer *codecdata_buffer;
-
-    ret = media_packet_get_buffer_size(buff->pkt, &buf_size);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("buffer size get fail");
-        return ret;
-    }
-
-    ret = media_packet_get_buffer_data_ptr(buff->pkt, &buf_data);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("buffer size get fail");
-        return ret;
-    }
-
-    LOGD("Set caps for codec_data in mime : %s and codec_id (0x%x)", core->mime, core->codec_id);
-
-    /* Add the codec_data attribute to caps, if we have it */
-    codecdata_buffer = gst_buffer_new_and_alloc(codecdata_size);
-    gst_buffer_fill(codecdata_buffer, 0, buf_data, codecdata_size);
-
-    LOGD("setting codec_data from (packet) buf_data used codecdata_size (%d)", codecdata_size);
-
-    gst_caps_set_simple(*caps, "codec_data", GST_TYPE_BUFFER, codecdata_buffer, NULL);
-    gst_buffer_unref(codecdata_buffer);
-
-    /* Update gstbuffer's data ptr and size for using previous codec_data..*/
-    LOGD("BEFORE : buff->buffer of size %" G_GSIZE_FORMAT "",  gst_buffer_get_size(buff->buffer));
-    gst_buffer_remove_memory_range(buff->buffer, codecdata_size, -1);
-    gst_buffer_set_size(buff->buffer, buf_size - codecdata_size);
-    LOGD("AFTER  : buff->buffer of size %" G_GSIZE_FORMAT "",  gst_buffer_get_size(buff->buffer));
-
-    return ret;
+       LOGD("waiting for input...");
+       return mc_async_queue_pop(core->available_queue->input);
 }
 
-
-int _mc_output_media_packet_new(mc_gst_core_t *core, bool video, bool encoder, media_format_mimetype_e out_mime)
+mc_ret_e mc_gst_prepare(mc_handle_t *mc_handle)
 {
-    if (media_format_create(&core->output_fmt) != MEDIA_FORMAT_ERROR_NONE) {
-        LOGE("media format create failed");
-        return MC_ERROR;
-    }
-
-    if (encoder) {
-        mc_encoder_info_t *info;
-
-        info = (mc_encoder_info_t *)core->codec_info;
-
-        if (video) {
-            media_format_set_video_mime(core->output_fmt, out_mime);
-            media_format_set_video_width(core->output_fmt, info->width);
-            media_format_set_video_height(core->output_fmt, info->height);
-            media_format_set_video_avg_bps(core->output_fmt, info->bitrate);
-        } else {
-            media_format_set_audio_mime(core->output_fmt, out_mime);
-            media_format_set_audio_channel(core->output_fmt, info->channel);
-            media_format_set_audio_samplerate(core->output_fmt, info->samplerate);
-            media_format_set_audio_bit(core->output_fmt, info->bit);
-            media_format_set_audio_avg_bps(core->output_fmt, info->bitrate);
-        }
-    } else {
-        mc_decoder_info_t *info;
-
-        info = (mc_decoder_info_t *)core->codec_info;
-
-        if (video) {
-            media_format_set_video_mime(core->output_fmt, out_mime);
-            media_format_set_video_width(core->output_fmt, info->width);
-            media_format_set_video_height(core->output_fmt, info->height);
-        } else {
-            media_format_set_audio_mime(core->output_fmt, out_mime);
-            media_format_set_audio_channel(core->output_fmt, info->channel);
-            media_format_set_audio_samplerate(core->output_fmt, info->samplerate);
-            media_format_set_audio_bit(core->output_fmt, info->bit);
-        }
-    }
-    return MC_ERROR_NONE;
+       int ret = MC_ERROR_NONE;
+       int num_supported_codec = 0;
+       int i = 0;
+       bool video;
+       bool encoder;
+       bool hardware;
+       gchar *factory_name = NULL;
+       media_format_mimetype_e out_mime;
+       mediacodec_codec_type_e id;
+       mc_codec_map_t *codec_map;
+
+       MEDIACODEC_FENTER();
+
+       if (!mc_handle)
+               return MC_PARAM_ERROR;
+
+       id = mc_handle->codec_id;
+       video = mc_handle->is_video;
+       encoder = mc_handle->is_encoder;
+       hardware = mc_handle->is_hw;
+       codec_map = encoder ? mc_handle->encoder_map : mc_handle->decoder_map;
+       num_supported_codec = encoder ? mc_handle->num_supported_encoder : mc_handle->num_supported_decoder;
+
+       for (i = 0; i < num_supported_codec; i++) {
+               if ((id == codec_map[i].id) && (hardware == codec_map[i].hardware))
+                       break;
+       }
+
+       if (i == num_supported_codec)
+               return MC_NOT_SUPPORTED;
+
+       factory_name = codec_map[i].type.factory_name;
+       out_mime = codec_map[i].type.out_format;
+
+       /* gst_core create */
+       mc_gst_core_t *new_core = mc_gst_core_new();
+
+       new_core->mime = codec_map[i].type.mime;
+       new_core->is_hw = hardware;
+       new_core->eos = false;
+       new_core->encoder = encoder;
+       new_core->video = video;
+       memcpy(&new_core->ports[in_port_index]->port_def.info, &mc_handle->info, sizeof(mc_handle->info));
+       memcpy(&new_core->ports[out_port_index]->port_def.info, &mc_handle->info, sizeof(mc_handle->info));
+       new_core->ports[out_port_index]->port_def.coding_type = out_mime;
+       new_core->codec_id = id;
+       new_core->codec_type = &codec_map[i].type;
+       new_core->mc_caps_new = video ? &_mc_gst_vid_caps_new : &_mc_gst_aud_caps_new;
+       new_core->extra_converter = &mc_handle->extra_converter;
+
+       new_core->bufmgr = tbm_bufmgr_init(new_core->drm_fd);
+       if (new_core->bufmgr == NULL) {
+               LOGE("TBM initialization failed");
+               return MC_ERROR;
+       }
+
+       LOGD("@%p(%p) core is initializing...v(%d)e(%d)", mc_handle, new_core, new_core->video, new_core->encoder);
+       LOGD("factory name : %s, output_fmt : %x", factory_name, out_mime);
+
+       /* create media_packet for output fmt */
+       ret = _mc_output_media_packet_new(new_core, video, encoder, out_mime);
+       if (ret != MC_ERROR_NONE) {
+               LOGE("Failed to create output pakcet");
+               return ret;
+       }
+
+       for (i = 0; i < _MEDIACODEC_EVENT_TYPE_INTERNAL_FILLBUFFER ; i++) {
+               LOGD("copy cb function [%d]", i);
+               if (mc_handle->user_cb[i]) {
+                       new_core->user_cb[i] = mc_handle->user_cb[i];
+                       new_core->user_data[i] = mc_handle->user_data[i];
+                       LOGD("user_cb[%d] %p, %p", i, new_core->user_cb[i], mc_handle->user_cb[i]);
+               }
+       }
+
+       /* create basic core elements */
+       ret = _mc_gst_create_pipeline(new_core, factory_name);
+       if (ret != MC_ERROR_NONE) {
+               LOGE("failed to create pipeline");
+               return ret;
+       }
+
+       /* link vtable */
+       ret = _mc_link_vtable(new_core, id, encoder, hardware);
+       if (ret != MC_ERROR_NONE) {
+               LOGE("vtable link failed");
+               return ret;
+       }
+
+       /* set caps in capsfilter as default*/
+       if (!new_core->mc_caps_new(new_core, id, out_port_index)) {
+               LOGE("caps new failed");
+               return MC_INTERNAL_ERROR;
+       }
+
+       /* FIXME will parse input format from ini. format is needed when linking elements*/
+       if (new_core->video && new_core->encoder) {
+               gst_caps_set_simple(new_core->caps,
+                       "format", G_TYPE_STRING, (new_core->is_hw ? "SN12" : "I420"),
+                       NULL);
+       }
+
+       g_object_set(new_core->capsfilter, "caps", new_core->caps, NULL);
+
+       _mc_gst_feed_task_new(new_core);
+
+       mc_handle->core = new_core;
+       LOGD("initialized... %d", ret);
+       MEDIACODEC_FLEAVE();
+
+       return ret;
 }
 
-/*
- * mc_gst_core functions
-*/
-mc_gst_core_t *mc_gst_core_new()
+mc_ret_e mc_gst_unprepare(mc_handle_t *mc_handle)
 {
-    mc_gst_core_t *core;
-
-    MEDIACODEC_FENTER();
+       MEDIACODEC_FENTER();
 
-    core = g_new0(mc_gst_core_t, 1);
+       int i;
+       int ret = MC_ERROR_NONE;
+       mc_gst_core_t *core = NULL;
 
-    /* 0 : input, 1 : output */
-    core->ports[0] = NULL;
-    core->ports[1] = mc_gst_port_new(core);
-    core->ports[1]->index = 1;
+       if (!mc_handle)
+               return MC_PARAM_ERROR;
 
-    core->available_queue = g_new0(mc_aqueue_t, 1);
-    core->available_queue->input = mc_async_queue_new();
+       core = (mc_gst_core_t *)mc_handle->core;
 
-    g_mutex_init(&core->eos_mutex);
-    g_cond_init(&core->eos_cond);
-    g_mutex_init(&core->prepare_lock);
+       if (core) {
+               LOGD("@%p(%p) core is uninitializing... v(%d)e(%d)", mc_handle, core, core->video, core->encoder);
 
-    core->need_feed = false;
-    core->eos = false;
-    core->need_codec_data = false;
-    core->need_sync_flag = false;
-    core->prepare_count = 0;
-    core->queued_count = 0;
-    core->dequeued_count = 0;
+               g_mutex_lock(&core->drain_lock);
+               core->unprepare_flag = TRUE;
+               g_mutex_unlock(&core->drain_lock);
 
-    g_atomic_int_set(&core->available_queue->running, 1);
-    core->available_queue->thread = g_thread_new("feed thread", &feed_task, core);
+               if (core->eos)
+                       _mc_send_eos_signal(core);
 
-    core->bufmgr = NULL;
-    core->drm_fd = -1;
-    LOGD("gst_core(%p) is created", core);
+               _mc_gst_feed_task_free(core);
 
-    MEDIACODEC_FLEAVE();
-
-    return core;
-}
-
-void mc_gst_core_free(mc_gst_core_t *core)
-{
-    MEDIACODEC_FENTER();
+               _mc_gst_set_flush_input(core);
 
-    mc_aqueue_t *async_queue;
+               _mc_gst_video_info_free(core);
 
-    async_queue = core->available_queue;
+               ret = _mc_gst_destroy_pipeline(core);
 
-    _mc_gst_set_flush_input(core);
-    mc_async_queue_disable(async_queue->input);
+               /* unset callback */
+               for (i = 0; i < _MEDIACODEC_EVENT_TYPE_INTERNAL_FILLBUFFER; i++) {
+                       LOGD("unset cb function [%d]", i);
+                       if (mc_handle->user_cb[i]) {
+                               core->user_cb[i] = NULL;
+                               core->user_data[i] = NULL;
+                               LOGD("user_cb[%d] %p, %p", i, core->user_cb[i], mc_handle->user_cb[i]);
+                       }
+               }
 
-    g_atomic_int_set(&async_queue->running, 0);
-    g_thread_join(async_queue->thread);
+               media_format_unref(core->output_fmt);
 
-    g_mutex_clear(&core->eos_mutex);
-    g_mutex_clear(&core->prepare_lock);
-    g_cond_clear(&core->eos_cond);
+               if (core->bufmgr != NULL) {
+                       tbm_bufmgr_deinit(core->bufmgr);
+                       core->bufmgr = NULL;
+               }
 
-    mc_async_queue_free(async_queue->input);
+               if (core->drm_fd != -1) {
+                       close(core->drm_fd);
+                       LOGD("close drm_fd");
+               }
 
-    if (core->ports[1] != NULL) {
-        mc_gst_port_free(core->ports[1]);
-        core->ports[1] = NULL;
-    }
+               if (core != NULL) {
+                       mc_gst_core_free(core);
+                       mc_handle->core = NULL;
+               }
+       }
 
-    LOGD("gst_core(%p) is destroyed", core);
-    g_free(core);
+       MEDIACODEC_FLEAVE();
 
-    MEDIACODEC_FLEAVE();
+       return ret;
 }
 
-/*
- * mc_gst_port functions
- */
-mc_gst_port_t *mc_gst_port_new(mc_gst_core_t *core)
+mc_ret_e mc_gst_process_input(mc_handle_t *mc_handle, media_packet_h inbuf, uint64_t timeout_us)
 {
-    MEDIACODEC_FENTER();
-
-    mc_gst_port_t *port;
+       MEDIACODEC_FENTER();
 
-    port = g_new0(mc_gst_port_t, 1);
-    port->core = core;
-    port->num_buffers = -1;
-    port->buffer_size = 0;
-    port->is_allocated = 0;
-    port->buffers = NULL;
+       int ret = MC_ERROR_NONE;
+       mc_gst_core_t *core = NULL;
 
-    g_mutex_init(&port->mutex);
-    g_cond_init(&port->buffer_cond);
-    port->queue = g_queue_new();
-
-    LOGD("gst_port(%p) is created", port);
-
-    MEDIACODEC_FLEAVE();
-    return port;
-}
+       if (!mc_handle)
+               return MC_PARAM_ERROR;
 
-void mc_gst_port_free(mc_gst_port_t *port)
-{
-    MEDIACODEC_FENTER();
+       core = (mc_gst_core_t *)mc_handle->core;
 
-    g_mutex_clear(&port->mutex);
-    g_cond_clear(&port->buffer_cond);
-    g_queue_free(port->queue);
+       g_mutex_lock(&core->drain_lock);
 
-    LOGD("gst_port(%p) is freed", port);
-    g_free(port);
+       while (g_atomic_int_get(&core->etb_count) == MAXINUM_QNUM) {
+               LOGD("Waiting until packets are drained..");
+               core->need_drain = true;
+               g_cond_wait(&core->buffer_cond, &core->drain_lock);
+       }
+       g_mutex_unlock(&core->drain_lock);
 
-    MEDIACODEC_FLEAVE();
+       if (core->prepare_count == 0)
+               return MC_INVALID_STATUS;
 
-    return;
-}
+       g_mutex_lock(&core->drain_lock);
 
-static void _mc_gst_update_caps(mc_gst_core_t *core, media_packet_h pkt, GstCaps **caps, GstMCBuffer* buff, bool codec_config)
-{
-    /*TODO remove is_hw param*/
-    core->format = __mc_get_gst_input_format(pkt, core->is_hw);
+       if (!core->eos || !core->unprepare_flag) {
+               mc_async_queue_push(core->available_queue->input, inbuf);
 
-    GstPad *pad = NULL;
-    GstCaps *template_caps;
+       } else {
+               ret = MC_INVALID_IN_BUF;
+               g_mutex_unlock(&core->drain_lock);
+               return ret;
+       }
 
-    pad = gst_element_get_static_pad(core->codec, "src");
-    template_caps = gst_pad_get_pad_template_caps(pad);
+       g_mutex_unlock(&core->drain_lock);
+       g_atomic_int_inc(&core->etb_count);
+       LOGI("@v(%d)e(%d)process_input(%d): %p", core->video, core->encoder, core->etb_count, inbuf);
 
-    __mc_create_caps(core, caps, buff, codec_config);
-    g_object_set(core->appsrc, "caps", *caps, NULL);
+       MEDIACODEC_FLEAVE();
 
-    if (gst_caps_is_subset(*caps, template_caps)) {
-        LOGD("new caps is subset of template caps");
-    }
+       return ret;
 }
 
-static gpointer feed_task(gpointer data)
+mc_ret_e mc_gst_get_output(mc_handle_t *mc_handle, media_packet_h *outbuf, uint64_t timeout_us)
 {
-    mc_gst_core_t *core = (mc_gst_core_t *)data;
-    int ret = MC_ERROR_NONE;
-    bool codec_config = FALSE;
-    bool eos = FALSE;
-    media_packet_h in_buf = NULL;
-    GstMCBuffer *buff = NULL;
-    GstCaps *new_caps = NULL;
-    bool initiative = true;
-
-    MEDIACODEC_FENTER();
-
-    while (g_atomic_int_get(&core->available_queue->running)) {
-        LOGD("waiting for next input....");
-        in_buf = _mc_get_input_buffer(core);
-
-        if (!in_buf)
-            goto LEAVE;
-
-        if (media_packet_is_codec_config(in_buf, &codec_config) != MEDIA_PACKET_ERROR_NONE) {
-            LOGE("media_packet_is_codec_config failed");
-            goto ERROR;
-        }
+       gint ret = MC_ERROR_NONE;
+       gint64 end_time = -1;
+       gboolean signalled;
+       mc_gst_core_t *core = NULL;
+       media_packet_h out_packet = NULL;
 
-        if (media_packet_is_end_of_stream(in_buf, &eos) != MEDIA_PACKET_ERROR_NONE) {
-            LOGE("media_packet_is_end_of_stream failed");
-            goto ERROR;
-        }
+       MEDIACODEC_FENTER();
+       end_time = g_get_monotonic_time() + timeout_us;
 
-        buff = _mc_gst_media_packet_to_gstbuffer(core, &new_caps, in_buf, codec_config);
-        if (!buff) {
-            LOGW("gstbuffer can't make");
-            goto ERROR;
-        }
+       if (!mc_handle)
+               return MC_PARAM_ERROR;
 
-        if (codec_config)
-            initiative = true;
+       core = (mc_gst_core_t *)mc_handle->core;
 
-        if (initiative) {
-            GstPad *pad;
+       g_mutex_lock(&core->ports[1]->mutex);
 
-            _mc_gst_update_caps(core, in_buf, &new_caps, buff, codec_config);
+       if (!g_queue_is_empty(core->ports[1]->queue))
+               signalled = TRUE;
+       else {
+               LOGD("no buffer, wait for signal");
+               signalled = g_cond_wait_until(&core->out_buffer_cond, &core->ports[1]->mutex, end_time);
+       }
 
-            pad = gst_element_get_static_pad(core->appsrc, "src");
-            gst_pad_push_event(pad, gst_event_new_stream_start("sejun"));
-            gst_object_unref(pad);
+       if (signalled)
+               out_packet = g_queue_pop_head(core->ports[1]->queue);
+       else {
+               LOGW("Failed to get buffer");
+               ret = MC_OUTPUT_BUFFER_EMPTY;
+       }
 
-            LOGD("caps updated");
-        }
+       *outbuf = out_packet;
+       LOGI("@%p v(%d)e(%d) got buffer :%p", core, core->video, core->encoder, out_packet);
 
-        /* inject buffer */
-        ret = _mc_gst_gstbuffer_to_appsrc(core, buff);
-        if (ret != GST_FLOW_OK) {
-            LOGE("Failed to push gst buffer");
-            goto ERROR;
-        }
-
-        initiative = false;
-
-        if (eos) {
-            LOGD("end of stream");
-            gst_app_src_end_of_stream(GST_APP_SRC(core->appsrc));
-            _mc_wait_for_eos(core);
-            initiative = true;
-        }
-
-
-        continue;
-ERROR:
-        _mc_gst_set_flush_input(core);
-
-        if (core->user_cb[_MEDIACODEC_EVENT_TYPE_ERROR]) {
-            ((mc_error_cb) core->user_cb[_MEDIACODEC_EVENT_TYPE_ERROR])
-                (MC_INTERNAL_ERROR, core->user_data[_MEDIACODEC_EVENT_TYPE_ERROR]);
-        }
-
-        continue;
-LEAVE:
-        /*LOGE("status : in_buf : %p, codec_config : %d, eos : %d, encoder : %d in feed_task", in_buf, codec_config, eos, core->encoder);*/
-       continue;
+       g_mutex_unlock(&core->ports[1]->mutex);
 
-    }
+       MEDIACODEC_FLEAVE();
 
-    if (new_caps) {
-        gst_caps_unref(new_caps);
-    }
-    LOGI("status : in_buf : %p, codec_config : %d, eos : %d, video : %d, encoder : %d in feed_task",
-        in_buf, codec_config, eos, core->video, core->encoder);
-    LOGD("feed task finished %p v(%d)e(%d)", core, core->video, core->encoder);
-
-    MEDIACODEC_FLEAVE();
-
-    return NULL;
+       return ret;
 }
 
-static void __mc_gst_stop_feed(GstElement *pipeline, gpointer data)
+mc_ret_e mc_gst_flush_buffers(mc_handle_t *mc_handle)
 {
-    mc_gst_core_t *core = (mc_gst_core_t *)data;
+       gint ret = MC_ERROR_NONE;
+       mc_gst_core_t *core = NULL;
 
-    LOGI("stop_feed called");
-    if (core->user_cb[_MEDIACODEC_EVENT_TYPE_BUFFER_STATUS]) {
-        ((mc_buffer_status_cb) core->user_cb[_MEDIACODEC_EVENT_TYPE_BUFFER_STATUS])
-                (MEDIACODEC_ENOUGH_DATA, core->user_data[_MEDIACODEC_EVENT_TYPE_BUFFER_STATUS]);
-    }
-}
+       MEDIACODEC_FENTER();
 
-static void __mc_gst_start_feed(GstElement *pipeline, guint size, gpointer data)
-{
-    mc_gst_core_t *core = (mc_gst_core_t *)data;
+       if (!mc_handle)
+               return MC_PARAM_ERROR;
 
-    LOGI("start_feed called");
+       core = (mc_gst_core_t *)mc_handle->core;
+       LOGI("@%p v(%d)e(%d) flush_buffers", core, core->video, core->encoder);
 
-    if (core->user_cb[_MEDIACODEC_EVENT_TYPE_BUFFER_STATUS]) {
-        ((mc_buffer_status_cb) core->user_cb[_MEDIACODEC_EVENT_TYPE_BUFFER_STATUS])
-                (MEDIACODEC_NEED_DATA, core->user_data[_MEDIACODEC_EVENT_TYPE_BUFFER_STATUS]);
-    }
-}
+       ret = _mc_gst_flush_buffers(core);
 
-static int _mc_link_vtable(mc_gst_core_t *core, mediacodec_codec_type_e id, gboolean encoder, gboolean is_hw)
-{
-    MEDIACODEC_FENTER();
-
-    g_return_val_if_fail(core != NULL, MC_PARAM_ERROR);
-
-    switch (id) {
-        case MEDIACODEC_AAC:
-        {
-            /* if set to 'CODEC_CONFIG', then It is also available case of  MEDIA_FORMAT_AAC_LC (RAW) */
-            LOGD("aac lc (adts) vtable");
-            core->vtable = encoder ? aenc_aac_vtable : adec_aac_vtable;
-            break;
-        }
-        case MEDIACODEC_AAC_HE:
-        case MEDIACODEC_AAC_HE_PS:
-        {
-            LOGD("aac he v12 vtable");
-            core->vtable = encoder ? aenc_aac_vtable : adec_aacv12_vtable;
-            if (encoder) {
-                LOGD("[MC_NOT_SUPPORTED] he-aac-v12 encoder is not supported yet!!!");
-                return MC_NOT_SUPPORTED;
-            }
-            break;
-        }
-        case MEDIACODEC_MP3:
-        {
-            LOGD("mp3 vtable - Only support decoder");
-            core->vtable = encoder ? aenc_vtable : adec_mp3_vtable;
-            if (encoder) {
-                LOGD("[MC_NOT_SUPPORTED] mp3 encoder is not supported yet!!!");
-                return MC_NOT_SUPPORTED;
-            }
-            break;
-        }
-        case MEDIACODEC_AMR_NB:
-        {
-            LOGD("amrnb vtable");
-            core->vtable = encoder ? aenc_amrnb_vtable : adec_amrnb_vtable;
-            break;
-        }
-        case MEDIACODEC_AMR_WB:
-        {
-            LOGD("amrwb vtable - Only support decoder");
-            core->vtable = encoder ? aenc_vtable : adec_amrwb_vtable;
-            if (encoder) {
-                LOGD("[MC_NOT_SUPPORTED] amr-wb encoder is not supported yet!!!");
-                return MC_NOT_SUPPORTED;
-            }
-            break;
-        }
-        case MEDIACODEC_VORBIS:
-        {
-            LOGD("vorbis vtable");
-            core->vtable = encoder ? aenc_vtable : adec_vorbis_vtable;
-            if (encoder) {
-                LOGD("[MC_NOT_SUPPORTED] vorbis encoder is not supported yet!!!");
-                return MC_NOT_SUPPORTED;
-            }
-            break;
-        }
-        case MEDIACODEC_FLAC:
-        {
-            LOGD("flac vtable");
-            core->vtable = encoder ? aenc_vtable : adec_flac_vtable;
-            if (encoder) {
-                LOGD("[MC_NOT_SUPPORTED] flac encoder is not supported yet!!!");
-                return MC_NOT_SUPPORTED;
-            }
-            break;
-        }
-        case MEDIACODEC_WMAV1:
-        case MEDIACODEC_WMAV2:
-        case MEDIACODEC_WMAPRO:
-        case MEDIACODEC_WMALSL:
-        {
-            LOGD("wma(V1 / V2 / LSL / PRO) vtable");
-            core->vtable = encoder ? aenc_vtable : adec_wma_vtable;
-            if (encoder) {
-                LOGD("[MC_NOT_SUPPORTED] wma encoder is not supported yet!!!");
-                return MC_NOT_SUPPORTED;
-            }
-            break;
-        }
-        case MEDIACODEC_H263:
-        {
-            LOGD("h263 vtable");
-            core->vtable = encoder ? (is_hw ? venc_h263_hw_vtable : venc_h263_sw_vtable) : is_hw ? vdec_h263_hw_vtable : vdec_h263_sw_vtable;
-            break;
-        }
-        case MEDIACODEC_MPEG4:
-        {
-            LOGD("mpeg4 vtable");
-            core->vtable = encoder ? (is_hw ? venc_mpeg4_hw_vtable : venc_mpeg4_sw_vtable) : is_hw ? vdec_mpeg4_hw_vtable : vdec_mpeg4_sw_vtable;
-
-            break;
-        }
-        case MEDIACODEC_H264:
-        {
-            LOGD("h264 vtable");
-            core->vtable = encoder ? (is_hw ? venc_h264_hw_vtable : venc_vtable) : is_hw ? vdec_h264_hw_vtable : vdec_h264_sw_vtable;
-            break;
-        }
-        default:
-            break;
-    }
-
-    return MC_ERROR_NONE;
-}
-
-static int _mc_gst_gstbuffer_to_appsrc(mc_gst_core_t *core, GstMCBuffer *buff)
-{
-    MEDIACODEC_FENTER();
-
-    int ret = MC_ERROR_NONE;
-
-    LOGD("pushed buffer to appsrc : %p, buffer of size %" G_GSIZE_FORMAT "",
-        buff->buffer, gst_buffer_get_size(buff->buffer));
-
-    ret = gst_app_src_push_buffer(GST_APP_SRC(core->appsrc), buff->buffer);
-
-    return ret;
-}
-
-media_packet_h _mc_get_input_buffer(mc_gst_core_t *core)
-{
-    LOGD("waiting for input...");
-    return mc_async_queue_pop(core->available_queue->input);
-}
+       MEDIACODEC_FLEAVE();
 
-mc_ret_e mc_gst_prepare(mc_handle_t *mc_handle)
-{
-    MEDIACODEC_FENTER();
-
-    int ret = MC_ERROR_NONE;
-    media_format_mimetype_e out_mime;
-    int num_supported_codec=0;
-    int i = 0;
-
-    if (!mc_handle)
-        return MC_PARAM_ERROR;
-
-    mediacodec_codec_type_e id;
-    bool video;
-    bool encoder;
-    bool hardware;
-    gchar *factory_name = NULL;
-    mc_codec_map_t *codec_map;
-
-    id = mc_handle->codec_id;
-    video = mc_handle->is_video;
-    encoder = mc_handle->is_encoder;
-    hardware = mc_handle->is_hw;
-   codec_map = encoder ? mc_handle->encoder_map : mc_handle->decoder_map;
-    num_supported_codec = encoder ? mc_handle->num_supported_encoder : mc_handle->num_supported_decoder;
-
-    for (i = 0; i < num_supported_codec; i++){
-        if ((id == codec_map[i].id) && (hardware == codec_map[i].hardware))
-            break;
-    }
-
-    if (i == num_supported_codec)
-        return MC_NOT_SUPPORTED;
-
-    factory_name = codec_map[i].type.factory_name;
-    out_mime = codec_map[i].type.out_format;
-
-    /* gst_core create */
-    mc_gst_core_t *new_core = mc_gst_core_new();
-
-    new_core->mime = codec_map[i].type.mime;
-    new_core->is_hw = hardware;
-    new_core->eos = false;
-    new_core->encoder = encoder;
-    new_core->video = video;
-    new_core->codec_info = encoder ? (void *)&mc_handle->info.encoder : (void *)&mc_handle->info.decoder;
-    new_core->out_mime = codec_map[i].type.out_format;
-    new_core->codec_id = id;
-
-    new_core->bufmgr = tbm_bufmgr_init(new_core->drm_fd);
-    if (new_core->bufmgr == NULL) {
-        LOGE("TBM initialization failed");
-        return MC_ERROR;
-    }
-
-    LOGD("@%p(%p) core is initializing...v(%d)e(%d)", mc_handle, new_core, new_core->video, new_core->encoder);
-    LOGD("factory name : %s, output_fmt : %x", factory_name, out_mime);
-
-    /* create media_packet for output fmt */
-    if ((ret = _mc_output_media_packet_new(new_core, video, encoder, out_mime)) != MC_ERROR_NONE) {
-        LOGE("Failed to create output pakcet");
-        return ret;
-    }
-
-    /* link vtable */
-    if ((ret = _mc_link_vtable(new_core, id, encoder, hardware)) != MC_ERROR_NONE) {
-        LOGE("vtable link failed");
-        return ret;
-    }
-
-    for (i = 0; i < _MEDIACODEC_EVENT_TYPE_INTERNAL_FILLBUFFER ; i++) {
-        LOGD("copy cb function [%d]", i);
-        if (mc_handle->user_cb[i]) {
-            new_core->user_cb[i] = mc_handle->user_cb[i];
-            new_core->user_data[i] = mc_handle->user_data[i];
-            LOGD("user_cb[%d] %p, %p", i, new_core->user_cb[i], mc_handle->user_cb[i]);
-        }
-    }
-
-    mc_handle->core = new_core;
-
-    /* create basic core elements */
-    ret = _mc_gst_create_pipeline(mc_handle->core, factory_name);
-
-    LOGD("initialized... %d", ret);
-    return ret;
+       return ret;
 }
 
-mc_ret_e mc_gst_unprepare(mc_handle_t *mc_handle)
+static gboolean __mc_gst_init_gstreamer()
 {
-    MEDIACODEC_FENTER();
-
-    int i;
-    int ret = MC_ERROR_NONE;
-    mc_gst_core_t *core = NULL;
-
-    if (!mc_handle)
-        return MC_PARAM_ERROR;
-
-    core = (mc_gst_core_t *)mc_handle->core;
-
-    if (core) {
-        LOGD("@%p(%p) core is uninitializing... v(%d)e(%d)", mc_handle, core, core->video, core->encoder);
+       MEDIACODEC_FENTER();
 
-        if (core->eos) {
-            _mc_send_eos_signal(core);
-        }
+       gint i = 0;
+       gint arg_count = 0;
+       static gboolean initialized = FALSE;
+       static const int max_argc = 50;
+       gint *argc = NULL;
+       gchar **argv = NULL;
+       gchar **argv2 = NULL;
+       GError *err = NULL;
 
-        _mc_gst_flush_buffers(core);
+       if (initialized) {
+               LOGD("gstreamer already initialized.\n");
+               return TRUE;
+       }
 
+       /* alloc */
+       argc = malloc(sizeof(int));
+       argv = malloc(sizeof(gchar *) *max_argc);
+       argv2 = malloc(sizeof(gchar *) *max_argc);
 
-        ret = _mc_gst_destroy_pipeline(core);
+       if (!argc || !argv || !argv2)
+               goto ERROR;
 
-        /* unset callback */
-        for (i = 0; i < _MEDIACODEC_EVENT_TYPE_INTERNAL_FILLBUFFER; i++) {
-            LOGD("unset cb function [%d]", i);
-            if (mc_handle->user_cb[i]) {
-                core->user_cb[i] = NULL;
-                core->user_data[i] = NULL;
-                LOGD("user_cb[%d] %p, %p", i, core->user_cb[i], mc_handle->user_cb[i]);
-            }
-        }
+       memset(argv, 0, sizeof(gchar *) *max_argc);
+       memset(argv2, 0, sizeof(gchar *) *max_argc);
 
-        media_format_unref(core->output_fmt);
+       /* add initial */
+       *argc = 1;
+       argv[0] = g_strdup("media codec");
 
-        if (core->bufmgr != NULL) {
-            tbm_bufmgr_deinit(core->bufmgr);
-            core->bufmgr = NULL;
-        }
+       /* we would not do fork for scanning plugins */
+       argv[*argc] = g_strdup("--gst-disable-registry-fork");
+       (*argc)++;
 
-        if(core->drm_fd != -1) {
-            close(core->drm_fd);
-            LOGD("close drm_fd");
-        }
+       /* check disable registry scan */
+       argv[*argc] = g_strdup("--gst-disable-registry-update");
+       (*argc)++;
 
-        if (core != NULL) {
-            mc_gst_core_free(core);
-            mc_handle->core = NULL;
-        }
-    }
+       /* check disable segtrap */
+       argv[*argc] = g_strdup("--gst-disable-segtrap");
+       (*argc)++;
 
-    return ret;
-}
+       LOGD("initializing gstreamer with following parameter\n");
+       LOGD("argc : %d\n", *argc);
+       arg_count = *argc;
 
-mc_ret_e mc_gst_process_input(mc_handle_t *mc_handle, media_packet_h inbuf, uint64_t timeOutUs)
-{
-    MEDIACODEC_FENTER();
+       for (i = 0; i < arg_count; i++) {
+               argv2[i] = argv[i];
+               LOGD("argv[%d] : %s\n", i, argv2[i]);
+       }
 
-    int ret = MC_ERROR_NONE;
-    mc_gst_core_t *core = NULL;
-    GTimeVal nowtv;
+       /* initializing gstreamer */
+       if (!gst_init_check(argc, &argv, &err)) {
+               LOGE("Could not initialize GStreamer: %s\n", err ? err->message : "unknown error occurred");
+               if (err)
+                       g_error_free(err);
 
-    if (!mc_handle)
-        return MC_PARAM_ERROR;
+               goto ERROR;
+       }
 
-    core = (mc_gst_core_t *)mc_handle->core;
+       /* release */
+       for (i = 0; i < arg_count; i++)
+               MC_FREEIF(argv2[i]);
 
-    g_get_current_time(&nowtv);
-    g_time_val_add(&nowtv, 500 * 1000);   /* usec */
-/*
-    if (!g_cond_timed_wait(&nowtv)) {
-    }
-*/
+       MC_FREEIF(argv);
+       MC_FREEIF(argv2);
+       MC_FREEIF(argc);
 
-    if (core->prepare_count == 0)
-        return MEDIACODEC_ERROR_INVALID_STATE;
+       /* done */
+       initialized = TRUE;
 
-    if (!core->eos)
-        mc_async_queue_push(core->available_queue->input, inbuf);
-    else
-        ret = MC_INVALID_IN_BUF;
+       MEDIACODEC_FLEAVE();
+       return TRUE;
 
-    LOGI("@%p v(%d)e(%d)process_input(%d)", core, core->video, core->encoder, core->queued_count);
-    core->queued_count++;
+ERROR:
+       /* release */
+       for (i = 0; i < arg_count; i++) {
+               LOGD("free[%d] : %s\n", i, argv2[i]);
+               MC_FREEIF(argv2[i]);
+       }
 
-    MEDIACODEC_FLEAVE();
+       MC_FREEIF(argv);
+       MC_FREEIF(argv2);
+       MC_FREEIF(argc);
 
-    return ret;
+       return FALSE;
 }
 
-mc_ret_e mc_gst_get_output(mc_handle_t *mc_handle, media_packet_h *outbuf, uint64_t timeOutUs)
+static GstElement *__mc_gst_extra_converter_new(mc_extra_converter_t *extra_converter)
 {
-    MEDIACODEC_FENTER();
+       GstElement *element = NULL;
+       gint array[MEDIACODEC_CROP_ARRAY_LENGTH] = {0, };
 
-    int ret = MC_ERROR_NONE;
-    mc_gst_core_t *core = NULL;
-    media_packet_h out_pkt = NULL;
+       if (!extra_converter) {
+               LOGE("NULL extra converter");
+               return NULL;
+       }
 
-    if (!mc_handle)
-        return MC_PARAM_ERROR;
+       LOGI("extra converter[%s]", extra_converter->name);
 
-    core = (mc_gst_core_t *)mc_handle->core;
-    LOGI("@%p v(%d)e(%d) get_output", core, core->video, core->encoder);
+       element = gst_element_factory_make(extra_converter->name, NULL);
+       if (!element) {
+               LOGE("create element[%s] failed", extra_converter->name);
+               return NULL;
+       }
 
-    g_mutex_lock(&core->ports[1]->mutex);
+       array[0] = extra_converter->crop_x;
+       array[1] = extra_converter->crop_y;
+       array[2] = extra_converter->crop_w;
+       array[3] = extra_converter->crop_h;
 
-    if (!g_queue_is_empty(core->ports[1]->queue)) {
-        out_pkt = g_queue_pop_head(core->ports[1]->queue);
-        LOGD("pop from output_queue : %p", out_pkt);
-    } else {
-        ret = MC_OUTPUT_BUFFER_EMPTY;
-        LOGD("output_queue is empty");
-    }
-    *outbuf = out_pkt;
+       if (mc_gst_set_property_array_int(element,
+               "crop", array, MEDIACODEC_CROP_ARRAY_LENGTH) != MC_ERROR_NONE) {
+               gst_object_unref(element);
+               return NULL;
+       }
 
-    g_mutex_unlock(&core->ports[1]->mutex);
+       LOGI("set crop to extra converter[%d,%d,%dx%d]",
+               array[0], array[1], array[2], array[3] );
 
-    MEDIACODEC_FLEAVE();
-
-    return ret;
+       return element;
 }
 
-mc_ret_e mc_gst_flush_buffers(mc_handle_t *mc_handle)
-{
-    MEDIACODEC_FENTER();
-
-    int ret = MC_ERROR_NONE;
-    mc_gst_core_t *core = NULL;
 
-    if (!mc_handle)
-        return MC_PARAM_ERROR;
-
-    core = (mc_gst_core_t *)mc_handle->core;
-    LOGI("@%p v(%d)e(%d) get_output", core, core->video, core->encoder);
-
-    _mc_gst_flush_buffers(core);
-
-    MEDIACODEC_FLEAVE();
-
-    return ret;
-}
-
-static gboolean __mc_gst_init_gstreamer()
+#ifdef TIZEN_FEATURE_ENABLE_DUMP_SOURCE
+static GstPadProbeReturn __dump_probe(GstPad *pad, GstPadProbeInfo *info, gpointer u_data)
 {
-    MEDIACODEC_FENTER();
-
-    static gboolean initialized = FALSE;
-    static const int max_argc = 50;
-    gint *argc = NULL;
-    gchar **argv = NULL;
-    gchar **argv2 = NULL;
-    GError *err = NULL;
-    int i = 0;
-    int arg_count = 0;
+       static int count = 0;
+       int i = 0;
+       const gchar *dump_path = (const gchar *)u_data;
+       GstBuffer *buffer = GST_PAD_PROBE_INFO_BUFFER(info);
+       GstMemory *memory = NULL;
+       FILE *fp = NULL;
+       tbm_surface_h surface = NULL;
+       tbm_surface_info_s sinfo = {0, };
 
-    if (initialized) {
-        LOGD("gstreamer already initialized.\n");
-        return TRUE;
-    }
+       if (!dump_path) {
+               LOGW("NULL path");
+               return GST_PAD_PROBE_OK;
+       }
 
-    /* alloc */
-    argc = malloc(sizeof(int));
-    argv = malloc(sizeof(gchar *) *max_argc);
-    argv2 = malloc(sizeof(gchar *) *max_argc);
+       if (count++ > 10) {
+               LOGW("[%s] SKIP DUMP", dump_path);
+               return GST_PAD_PROBE_OK;
+       }
 
-    if (!argc || !argv || !argv2)
-        goto ERROR;
+       memory = gst_buffer_peek_memory(buffer, 0);
+
+       if (!gst_is_tizen_memory(memory)) {
+               LOGW("Not tizen memory");
+               return GST_PAD_PROBE_OK;
+       }
+
+       surface = gst_tizen_memory_get_surface(memory);
+       if (!surface) {
+               LOGW("No surface");
+               return GST_PAD_PROBE_OK;
+       }
+
+       fp = fopen(dump_path, "a");
+       if (!fp) {
+               LOGW("file open failed[%s]", dump_path);
+               return GST_PAD_PROBE_OK;
+       }
+
+       tbm_surface_get_info(surface, &sinfo);
+
+       for (i = 0 ; i < sinfo.num_planes ; i++) {
+               LOGI("[dump:%s] write plane[%d] size[%u]", dump_path, i, sinfo.planes[i].size);
+               fwrite(sinfo.planes[i].ptr, 1, sinfo.planes[i].size, fp);
+       }
+
+       fclose(fp);
+
+       return GST_PAD_PROBE_OK;
+}
+#endif /* TIZEN_FEATURE_ENABLE_DUMP_SOURCE */
+
+
+mc_ret_e _mc_gst_create_pipeline(mc_gst_core_t *core, const gchar *factory_name)
+{
+       int i = 0;
+       int bitrate = 0;
+       GstBus *bus = NULL;
+
+       MEDIACODEC_FENTER();
+
+       g_mutex_lock(&core->prepare_lock);
+
+       if (core->prepare_count == 0) {
+               if (!__mc_gst_init_gstreamer()) {
+                       LOGE("gstreamer initialize fail");
+                       g_mutex_unlock(&core->prepare_lock);
+                       return MC_NOT_INITIALIZED;
+               }
+
+               core->codec = gst_element_factory_make(factory_name, NULL);
+               if (!core->codec) {
+                       LOGE("codec element create fail");
+                       goto ERROR;
+               }
+
+               LOGD("@%p v(%d)e(%d) create_pipeline", core, core->video, core->encoder);
+               MEDIACODEC_ELEMENT_SET_STATE(core->codec, GST_STATE_READY);
+
+               /* create common elements */
+               core->pipeline = gst_pipeline_new(NULL);
+               if (!core->pipeline) {
+                       LOGE("pipeline create fail");
+                       goto ERROR;
+               }
+
+               core->appsrc = gst_element_factory_make("appsrc", NULL);
+               if (!core->appsrc) {
+                       LOGE("appsrc can't create");
+                       goto ERROR;
+               }
+
+               if (!core->video && core->encoder) {
+                       core->audioconvert = gst_element_factory_make("audioconvert", NULL);
+                       if (!core->audioconvert) {
+                               LOGE("audioconvert can't create");
+                               goto ERROR;
+                       }
+
+                       core->audioresample = gst_element_factory_make("audioresample", NULL);
+                       if (!core->audioresample) {
+                               LOGE("audioresample can't create");
+                               goto ERROR;
+                       }
+               }
+
+               if (core->video && core->encoder && core->extra_converter->enable) {
+                       core->videoconvert = __mc_gst_extra_converter_new(core->extra_converter);
+                       if (!core->videoconvert) {
+                               LOGE("create[%s] failed", core->extra_converter->name);
+                               goto ERROR;
+                       }
+               }
+
+               core->capsfilter = gst_element_factory_make("capsfilter", NULL);
+               if (!core->capsfilter) {
+                       LOGE("capsfilter can't create");
+                       goto ERROR;
+               }
+
+               core->fakesink = gst_element_factory_make("fakesink", NULL);
+               if (!core->fakesink) {
+                       LOGE("fakesink create fail");
+                       goto ERROR;
+               }
+
+               g_object_set(core->fakesink, "enable-last-sample", FALSE, NULL);
+
+               /*__mc_link_elements(core);*/
+               if (!core->video && core->encoder) {
+                       gst_bin_add_many(GST_BIN(core->pipeline), core->appsrc, core->audioresample, core->audioconvert, core->capsfilter, core->codec, core->fakesink, NULL);
+
+                       /* link elements */
+                       if (!(gst_element_link_many(core->appsrc, core->audioresample, core->audioconvert, core->capsfilter, core->codec, core->fakesink, NULL))) {
+                               LOGE("gst_element_link_many is failed");
+                               goto ERROR;
+                       }
+               } else if (core->video && core->encoder) {
+                       if (core->extra_converter->enable) {
+                               gst_bin_add_many(GST_BIN(core->pipeline), core->appsrc, core->capsfilter, core->videoconvert, core->codec, core->fakesink, NULL);
+
+                               /* link elements */
+                               if (!(gst_element_link_many(core->appsrc, core->videoconvert, core->codec, core->fakesink, NULL))) {
+                                       LOGE("gst_element_link_many is failed");
+                                       goto ERROR;
+                               }
+                       } else {
+                               gst_bin_add_many(GST_BIN(core->pipeline), core->appsrc, core->capsfilter, core->codec, core->fakesink, NULL);
+
+                               /* link elements */
+                               if (!(gst_element_link_many(core->appsrc, core->codec, core->fakesink, NULL))) {
+                                       LOGE("gst_element_link_many is failed");
+                                       goto ERROR;
+                               }
+                       }
+               } else {
+                       gst_bin_add_many(GST_BIN(core->pipeline), core->appsrc, core->capsfilter, core->codec, core->fakesink, NULL);
+
+                       /* link elements */
+                       if (!(gst_element_link_many(core->appsrc, core->capsfilter, core->codec, core->fakesink, NULL))) {
+                               LOGE("gst_element_link_many is failed");
+                               goto ERROR;
+                       }
+               }
+
+#ifdef TIZEN_FEATURE_ENABLE_DUMP_SOURCE
+               {
+                       GstPad *pad = NULL;
+
+                       pad = gst_element_get_static_pad(core->videoconvert, "sink");
+                       if (pad) {
+                               gst_pad_add_probe(pad, GST_PAD_PROBE_TYPE_BUFFER, __dump_probe, "/tmp/input.dump", NULL);
+                               gst_object_unref(pad);
+                               pad = NULL;
+                       }
+
+                       pad = gst_element_get_static_pad(core->videoconvert, "src");
+                       if (pad) {
+                               gst_pad_add_probe(pad, GST_PAD_PROBE_TYPE_BUFFER, __dump_probe, "/tmp/output.dump", NULL);
+                               gst_object_unref(pad);
+                               pad = NULL;
+                       }
+               }
+#endif /* TIZEN_FEATURE_ENABLE_DUMP_SOURCE */
+
+               /* connect signals, bus watcher */
+               bus = gst_pipeline_get_bus(GST_PIPELINE(core->pipeline));
+               core->bus_watch_id = gst_bus_add_watch(bus, __mc_gst_bus_callback, core);
+               core->thread_default = g_main_context_get_thread_default();
+
+               /* set sync handler to get tag synchronously */
+               gst_bus_set_sync_handler(bus, __mc_gst_bus_sync_callback, core, NULL);
+               gst_object_unref(GST_OBJECT(bus));
+
+               /* app src */
+               g_signal_connect(core->appsrc, "need-data", G_CALLBACK(__mc_gst_start_feed), core);
+               g_signal_connect(core->appsrc, "enough-data", G_CALLBACK(__mc_gst_stop_feed), core);
+
+               /* connect handoff */
+               g_object_set(GST_OBJECT(core->fakesink), "signal-handoffs", TRUE, NULL);
+               core->signal_handoff = g_signal_connect(core->fakesink, "handoff", G_CALLBACK(__mc_gst_buffer_add), core);
+
+               /* set bitrate and properties */
+               if (core->encoder) {
+                       if (core->video)
+                               bitrate = core->ports[in_port_index]->port_def.info.video.bitrate;
+                       else
+                               bitrate = core->ports[in_port_index]->port_def.info.audio.bitrate;
+
+                       LOGI("set encoder bitrate[property:%s,v:%d] %d",
+                               core->codec_type->property->bitrate_name, core->video, bitrate);
+
+                       g_object_set(core->codec,
+                               core->codec_type->property->bitrate_name, bitrate,
+                               NULL);
+               }
+
+               for (i = 0 ; i < core->codec_type->property->ext_num ; i++) {
+                       LOGI("set property [%s] -> [%s]",
+                               core->codec_type->property->ext_name[i],
+                               core->codec_type->property->ext_value[i]);
+
+                       gst_util_set_object_arg((GObject *)core->codec,
+                               core->codec_type->property->ext_name[i],
+                               core->codec_type->property->ext_value[i]);
+               }
+
+               /* set state PLAYING */
+               MEDIACODEC_ELEMENT_SET_STATE(GST_ELEMENT_CAST(core->pipeline), GST_STATE_PLAYING);
+       }
+
+       core->prepare_count++;
+       g_mutex_unlock(&core->prepare_lock);
+
+       MEDIACODEC_FLEAVE();
+
+       return MC_ERROR_NONE;
 
-    memset(argv, 0, sizeof(gchar *) *max_argc);
-    memset(argv2, 0, sizeof(gchar *) *max_argc);
-
-    /* add initial */
-    *argc = 1;
-    argv[0] = g_strdup("media codec");
-
-    /* we would not do fork for scanning plugins */
-    argv[*argc] = g_strdup("--gst-disable-registry-fork");
-    (*argc)++;
-
-    /* check disable registry scan */
-    argv[*argc] = g_strdup("--gst-disable-registry-update");
-    (*argc)++;
-
-    /* check disable segtrap */
-    argv[*argc] = g_strdup("--gst-disable-segtrap");
-    (*argc)++;
+STATE_CHANGE_FAILED:
+ERROR:
 
-    LOGD("initializing gstreamer with following parameter\n");
-    LOGD("argc : %d\n", *argc);
-    arg_count = *argc;
+       if (core->codec)
+               gst_object_unref(GST_OBJECT(core->codec));
 
-    for (i = 0; i < arg_count; i++) {
-        argv2[i] = argv[i];
-        LOGD("argv[%d] : %s\n", i, argv2[i]);
-    }
+       if (core->pipeline)
+               gst_object_unref(GST_OBJECT(core->pipeline));
 
-    /* initializing gstreamer */
-    if (!gst_init_check(argc, &argv, &err)) {
-        LOGE("Could not initialize GStreamer: %s\n", err ? err->message : "unknown error occurred");
-        if (err) {
-            g_error_free(err);
-        }
+       if (core->appsrc)
+               gst_object_unref(GST_OBJECT(core->appsrc));
 
-        goto ERROR;
-    }
+       if (core->capsfilter)
+               gst_object_unref(GST_OBJECT(core->capsfilter));
 
-    /* release */
-    for (i = 0; i < arg_count; i++) {
-        MC_FREEIF(argv2[i]);
-    }
+       if (core->audioresample)
+               gst_object_unref(GST_OBJECT(core->audioresample));
 
-    MC_FREEIF(argv);
-    MC_FREEIF(argv2);
-    MC_FREEIF(argc);
+       if (core->videoscale)
+               gst_object_unref(GST_OBJECT(core->videoscale));
 
-    /* done */
-    initialized = TRUE;
+       if (core->videoconvert)
+               gst_object_unref(GST_OBJECT(core->videoconvert));
 
-    MEDIACODEC_FLEAVE();
-    return TRUE;
+       if (core->audioconvert)
+               gst_object_unref(GST_OBJECT(core->audioconvert));
 
-ERROR:
+       if (core->fakesink)
+               gst_object_unref(GST_OBJECT(core->fakesink));
 
-    /* release */
-    for (i = 0; i < arg_count; i++) {
-        LOGD("free[%d] : %s\n", i, argv2[i]);
-        MC_FREEIF(argv2[i]);
-    }
+       g_mutex_unlock(&core->prepare_lock);
 
-    MC_FREEIF(argv);
-    MC_FREEIF(argv2);
-    MC_FREEIF(argc);
-
-    return FALSE;
+       return MC_ERROR;
 }
 
-mc_ret_e _mc_gst_create_pipeline(mc_gst_core_t *core, gchar *factory_name)
+mc_ret_e _mc_gst_destroy_pipeline(mc_gst_core_t *core)
 {
-    GstBus *bus = NULL;
-
-    MEDIACODEC_FENTER();
-
-    g_mutex_lock(&core->prepare_lock);
-    if (core->prepare_count == 0) {
-
-        if (!__mc_gst_init_gstreamer()) {
-            LOGE("gstreamer initialize fail");
-            g_mutex_unlock(&core->prepare_lock);
-            return MC_NOT_INITIALIZED;
-        }
-        core->codec = gst_element_factory_make(factory_name, NULL);
-
-        if (!core->codec) {
-            LOGE("codec element create fail");
-            goto ERROR;
-        }
-
-        LOGD("@%p v(%d)e(%d) create_pipeline", core, core->video, core->encoder);
-        MEDIACODEC_ELEMENT_SET_STATE(core->codec, GST_STATE_READY);
-
-        /* create common elements */
-        core->pipeline = gst_pipeline_new(NULL);
+       int ret = MC_ERROR_NONE;
 
-        if (!core->pipeline) {
-            LOGE("pipeline create fail");
-            goto ERROR;
-        }
+       MEDIACODEC_FENTER();
 
-        core->appsrc = gst_element_factory_make("appsrc", NULL);
+       g_mutex_lock(&core->prepare_lock);
+       core->prepare_count--;
+       if (core->prepare_count == 0) {
 
-        if (!core->appsrc) {
-            LOGE("appsrc can't create");
-            goto ERROR;
-        }
+               if (core->pipeline) {
+                       /* disconnect signal */
+                       if (core->fakesink && GST_IS_ELEMENT(core->fakesink)) {
+                               if (g_signal_handler_is_connected(core->fakesink, core->signal_handoff)) {
+                                       g_signal_handler_disconnect(core->fakesink, core->signal_handoff);
+                                       LOGD("handoff signal destroy");
+                               }
+                       }
 
-        core->capsfilter = gst_element_factory_make("capsfilter", NULL);
+                       if (core->bus_watch_id) {
+                               GSource *source = NULL;
+                               source = g_main_context_find_source_by_id(core->thread_default, core->bus_watch_id);
+                               g_source_destroy(source);
+                               LOGD("bus_watch_id destroy");
+                       }
 
-        if (!core->capsfilter) {
-            LOGE("capsfilter can't create");
-            goto ERROR;
-        }
+                       MEDIACODEC_ELEMENT_SET_STATE(core->pipeline, GST_STATE_NULL);
 
-        core->fakesink = gst_element_factory_make("fakesink", NULL);
+                       gst_object_unref(GST_OBJECT(core->pipeline));
 
-        if (!core->fakesink) {
-            LOGE("fakesink create fail");
-            goto ERROR;
-        }
-        g_object_set(core->fakesink, "enable-last-sample", FALSE, NULL);
+                       if (core->caps) {
+                               gst_caps_unref(core->caps);
+                               core->caps = NULL;
+                       }
+               }
+       }
 
-        /*__mc_link_elements(core);*/
-        gst_bin_add_many(GST_BIN(core->pipeline), core->appsrc, core->capsfilter, core->codec, core->fakesink, NULL);
+       LOGD("@%p v(%d)e(%d) destroy_pipeline : %d ", core, core->video, core->encoder, core->prepare_count);
+       g_mutex_unlock(&core->prepare_lock);
 
-        /* link elements */
-        gst_element_link_many(core->appsrc, core->capsfilter, core->codec, core->fakesink, NULL);
+       MEDIACODEC_FLEAVE();
 
-        /* connect signals, bus watcher */
-        bus = gst_pipeline_get_bus(GST_PIPELINE(core->pipeline));
-        core->bus_whatch_id = gst_bus_add_watch(bus, __mc_gst_bus_callback, core);
-        core->thread_default = g_main_context_get_thread_default();
-
-        /* set sync handler to get tag synchronously */
-        gst_bus_set_sync_handler(bus, __mc_gst_bus_sync_callback, core, NULL);
-        gst_object_unref(GST_OBJECT(bus));
-
-        /* app src */
-        g_signal_connect(core->appsrc, "need-data", G_CALLBACK(__mc_gst_start_feed), core);
-        g_signal_connect(core->appsrc, "enough-data", G_CALLBACK(__mc_gst_stop_feed), core);
-
-        /* connect handoff */
-        g_object_set(GST_OBJECT(core->fakesink), "signal-handoffs", TRUE, NULL);
-        core->signal_handoff = g_signal_connect(core->fakesink, "handoff", G_CALLBACK(__mc_gst_buffer_add), core);
-
-        /* set state PLAYING */
-        MEDIACODEC_ELEMENT_SET_STATE(GST_ELEMENT_CAST(core->pipeline), GST_STATE_PLAYING);
-
-    }
-    core->prepare_count++;
-    g_mutex_unlock(&core->prepare_lock);
-
-    MEDIACODEC_FLEAVE();
-
-    return MC_ERROR_NONE;
+       return ret;
 
 STATE_CHANGE_FAILED:
-ERROR:
+       if (core->pipeline)
+               gst_object_unref(GST_OBJECT(core->pipeline));
 
-    if (core->codec)
-        gst_object_unref(GST_OBJECT(core->codec));
+       LOGD("@%p v(%d)e(%d) destroy_pipeline failed", core, core->video, core->encoder);
+       g_mutex_unlock(&core->prepare_lock);
 
-    if (core->pipeline)
-        gst_object_unref(GST_OBJECT(core->pipeline));
+       return MC_ERROR;
+}
 
-    if (core->appsrc)
-        gst_object_unref(GST_OBJECT(core->appsrc));
+void __mc_push_output_to_queue(mc_gst_core_t *core, GstMCBuffer *mcbuffer)
+{
+       g_mutex_lock(&core->ports[1]->mutex);
 
-    if (core->capsfilter)
-        gst_object_unref(GST_OBJECT(core->capsfilter));
+       /* push it to output buffer queue */
+       g_queue_push_tail(core->ports[1]->queue, mcbuffer->packet);
+       g_cond_broadcast(&core->out_buffer_cond);
 
-    if (core->fakesink)
-        gst_object_unref(GST_OBJECT(core->fakesink));
+       if (mcbuffer->buffer) {
+               LOGD("dq : v(%d)e(%d) TIMESTAMP = %"GST_TIME_FORMAT " DURATION = %"GST_TIME_FORMAT, core->video, core->encoder,
+                       GST_TIME_ARGS(GST_BUFFER_TIMESTAMP(mcbuffer->buffer)), GST_TIME_ARGS(GST_BUFFER_DURATION(mcbuffer->buffer)));
+       } else {
+               LOGD("dq : v(%d)e(%d)", core->video, core->encoder);
+       }
 
-    g_mutex_unlock(&core->prepare_lock);
+       g_mutex_unlock(&core->ports[1]->mutex);
 
-    return MC_ERROR;
+       if (core->user_cb[_MEDIACODEC_EVENT_TYPE_FILLBUFFER]) {
+               ((mc_fill_buffer_cb) core->user_cb[_MEDIACODEC_EVENT_TYPE_FILLBUFFER])
+                       (mcbuffer->packet, core->user_data[_MEDIACODEC_EVENT_TYPE_FILLBUFFER]);
+       }
 }
 
-mc_ret_e _mc_gst_destroy_pipeline(mc_gst_core_t *core)
+void __mc_gst_buffer_add(GstElement *element, GstBuffer *buffer, GstPad *pad, gpointer data)
 {
-    int ret = MC_ERROR_NONE;
+       GstMCBuffer *mcbuffer = NULL;
 
-    MEDIACODEC_FENTER();
+       MEDIACODEC_FENTER();
 
-    g_mutex_lock(&core->prepare_lock);
-    core->prepare_count--;
-    if (core->prepare_count == 0) {
+       mc_gst_core_t *core = (mc_gst_core_t *)data;
 
-        if (core->pipeline) {
-            /* disconnect signal */
-            if (core->fakesink && GST_IS_ELEMENT(core->fakesink)) {
-                if (g_signal_handler_is_connected(core->fakesink, core->signal_handoff)) {
-                    g_signal_handler_disconnect(core->fakesink, core->signal_handoff);
-                    LOGD("handoff signal destroy");
-                }
-            }
+       gst_buffer_ref(buffer);
 
-            if (core->bus_whatch_id) {
-                GSource *source = NULL;
-                source = g_main_context_find_source_by_id(core->thread_default, core->bus_whatch_id);
-                g_source_destroy(source);
-                LOGD("bus_whatch_id destroy");
-            }
+       mcbuffer = __mc_gst_make_media_packet(core, buffer);
 
-            MEDIACODEC_ELEMENT_SET_STATE(core->pipeline, GST_STATE_NULL);
+       LOGI("@%p(%d) out_packet : %p", core, core->encoder, mcbuffer->packet);
 
-            gst_object_unref(GST_OBJECT(core->pipeline));
-        }
-    }
+       if (mcbuffer->packet) {
+               media_packet_set_pts(mcbuffer->packet, GST_BUFFER_TIMESTAMP(buffer));
+               media_packet_set_dts(mcbuffer->packet, GST_BUFFER_DTS(buffer));
+               media_packet_set_duration(mcbuffer->packet, GST_BUFFER_DURATION(buffer));
 
-    LOGD("@%p v(%d)e(%d) destroy_pipeline : %d ", core, core->video, core->encoder, core->prepare_count);
-    g_mutex_unlock(&core->prepare_lock);
+               if (core->need_codec_data) {
+                       media_packet_set_flags(mcbuffer->packet, MEDIA_PACKET_CODEC_CONFIG);
+                       core->need_codec_data = false;
+               }
 
-    MEDIACODEC_FLEAVE();
+               if (core->need_sync_flag) {
+                       media_packet_set_flags(mcbuffer->packet, MEDIA_PACKET_SYNC_FRAME);
+                       core->need_sync_flag = false;
+               }
 
-    return ret;
+               __mc_push_output_to_queue(core, mcbuffer);
+       } else {
+               gst_buffer_unref(buffer);
+               LOGE("Failed to dequeue output packet");
+       }
 
-STATE_CHANGE_FAILED:
-    if (core->pipeline)
-        gst_object_unref(GST_OBJECT(core->pipeline));
-
-    LOGD("@%p v(%d)e(%d) destroy_pipeline failed", core, core->video, core->encoder);
-    g_mutex_unlock(&core->prepare_lock);
+       MEDIACODEC_FLEAVE();
 
-    return MC_ERROR;
+       return;
 }
 
-void __mc_gst_buffer_add(GstElement *element, GstBuffer *buffer, GstPad *pad, gpointer data)
+int __mc_output_buffer_finalize_cb(media_packet_h packet, int error_code, void *user_data)
 {
-    guint n;
-    GstMemory *mem;
-    GstMapInfo map = GST_MAP_INFO_INIT;
-    media_packet_h out_pkt = NULL;
+       MEDIACODEC_FENTER();
 
-    MEDIACODEC_FENTER();
+       GstMCBuffer *mcbuffer = (GstMCBuffer *)user_data;
 
-    mc_gst_core_t *core = (mc_gst_core_t *)data;
+       gst_buffer_unref((GstBuffer *)mcbuffer->buffer);
 
-    gst_buffer_ref(buffer);
+       if (mcbuffer->ext_mem) {
+               g_free(mcbuffer->ext_mem);
+               LOGD("freed external memory");
+               mcbuffer->ext_mem = NULL;
+       }
 
-    n = gst_buffer_n_memory(buffer);
+       LOGD("output port filled buffer : %p", packet);
+       g_free(mcbuffer);
 
-    mem = gst_buffer_peek_memory(buffer, n-1);
+       MEDIACODEC_FLEAVE();
 
-    gst_memory_map(mem, &map, GST_MAP_READ);
-    LOGD("n : %d, map.data : %p, map.size : %d", n, map.data, map.size);
+       return MEDIA_PACKET_FINALIZE;
+}
 
-    out_pkt = __mc_gst_make_media_packet(core, map.data, map.size);
+gchar *__mc_get_gst_input_format(media_format_mimetype_e mimetype, bool is_hw)
+{
+       gchar *format = NULL;
 
-    LOGI("@%p(%d) out_pkt : %p", core, core->encoder, out_pkt);
-    gst_memory_unmap(mem, &map);
+       switch (mimetype) {
+       case MEDIA_FORMAT_I420:
+               format = "I420";
+               break;
+       case MEDIA_FORMAT_NV12:
+               if (is_hw)
+                       format = "SN12";
+               else
+                       format = "NV12";
+               break;
+       case MEDIA_FORMAT_ARGB:
+               format = "ARGB";
+               break;
+       default:
+               break;
+       }
 
+       LOGD("input packet format : %s", format ? format : "(null)" );
 
-    if (out_pkt) {
-        media_packet_set_extra(out_pkt, buffer);
-        media_packet_set_pts(out_pkt, GST_BUFFER_TIMESTAMP(buffer));
+       return format;
+}
 
-        if (core->need_codec_data) {
-            media_packet_set_flags(out_pkt, MEDIA_PACKET_CODEC_CONFIG);
-            core->need_codec_data = false;
-        }
+GstMCBuffer *_mc_gst_media_packet_to_gstbuffer(mc_gst_core_t *core, media_packet_h packet, bool codec_config)
+{
+       gint ret = MEDIA_PACKET_ERROR_NONE;
+       uint64_t buf_size = 0;
+       uint64_t pts = 0;
+       uint64_t dts = 0;
+       uint64_t dur = 0;
+       void *buf_data = NULL;
+       GstMCBuffer *mcbuffer = NULL;
 
-        if (core->need_sync_flag) {
-            media_packet_set_flags(out_pkt, MEDIA_PACKET_SYNC_FRAME);
-            core->need_sync_flag = false;
-        }
+       ret = media_packet_get_buffer_size(packet, &buf_size);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("buffer size get fail");
+               return NULL;
+       }
 
-        g_mutex_lock(&core->ports[1]->mutex);
-        /* push it to output buffer queue */
-        g_queue_push_tail(core->ports[1]->queue, out_pkt);
+       ret = media_packet_get_buffer_data_ptr(packet, &buf_data);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGW("buffer data get fail");
+               return NULL;
+       }
 
-        core->dequeued_count++;
-        LOGD("dequeued : %d", core->dequeued_count);
-        LOGD("GST_BUFFER_TIMESTAMP = %"GST_TIME_FORMAT, GST_TIME_ARGS(GST_BUFFER_TIMESTAMP(buffer)));
+       mcbuffer = gst_mediacodec_buffer_new(core, packet, buf_size);
+       if (mcbuffer == NULL) {
+               LOGW("failed to create inbuf");
+               return NULL;
+       }
 
-        g_mutex_unlock(&core->ports[1]->mutex);
+       LOGD("packet :v(%d)e(%d) %p, buf_size : %d", core->video, core->encoder, packet, (int)buf_size);
 
-        if (core->user_cb[_MEDIACODEC_EVENT_TYPE_FILLBUFFER]) {
-            ((mc_fill_buffer_cb) core->user_cb[_MEDIACODEC_EVENT_TYPE_FILLBUFFER])
-                (out_pkt, core->user_data[_MEDIACODEC_EVENT_TYPE_FILLBUFFER]);
-        }
-    }
+       ret = __mc_fill_input_buffer(core, packet, mcbuffer);
+       if (ret != MC_ERROR_NONE) {
+               LOGW("failed to fill inbuf: %s (ox%08x)", _mc_error_to_string(ret), ret);
+               /*
+                * if __mc_fill_input_buffer() failed, no memory appended to mcbuffer->buffer, so gst_mediacodec_buffer_finalize()
+                * will not be invoked
+                */
+               gst_buffer_unref(mcbuffer->buffer);
+               g_free(mcbuffer);
+               return NULL;
+       }
 
-    MEDIACODEC_FLEAVE();
+       /* dts */
+       media_packet_get_pts(packet, &dts);
+       GST_BUFFER_DTS(mcbuffer->buffer) = dts;
 
-    return;
-}
+       /* pts */
+       media_packet_get_pts(packet, &pts);
+       GST_BUFFER_PTS(mcbuffer->buffer) = pts;
 
-int __mc_output_buffer_finalize_cb(media_packet_h packet, int error_code, void *user_data)
-{
-    void *buffer = NULL;
+       /* duration */
+       media_packet_get_duration(packet, &dur);
+       GST_BUFFER_DURATION(mcbuffer->buffer) = dur;
 
-    LOGD("packet finalized: %p", packet);
-    media_packet_get_extra(packet, &buffer);
+       GST_BUFFER_OFFSET(mcbuffer->buffer) = core->offset;
 
-    gst_buffer_unref((GstBuffer *)buffer);
+       core->offset += buf_size;
+       GST_BUFFER_OFFSET_END(mcbuffer->buffer) = core->offset;
 
-    return MEDIA_PACKET_FINALIZE;
+       return mcbuffer;
 }
 
-gchar *__mc_get_gst_input_format(media_packet_h packet, bool is_hw)
+GstMCBuffer *__mc_gst_make_media_packet(mc_gst_core_t *core, GstBuffer *buffer)
 {
-    gchar *format = NULL;
-    media_format_h fmt = NULL;
-    media_format_mimetype_e mimetype = 0;
+       gint ret = MEDIA_PACKET_ERROR_NONE;
+       GstMemory *mem;
+       GstMapInfo map = GST_MAP_INFO_INIT;
+       GstMCBuffer *mcbuffer = NULL;
+       void *data = NULL;
+       gint size = 0;
 
-    media_packet_get_format(packet, &fmt);
-    media_format_get_video_info(fmt, &mimetype, NULL, NULL, NULL, NULL);
-    media_format_unref(fmt);
-    LOGD("input packet mimetype : %x", mimetype);
+       mem = gst_buffer_peek_memory(buffer, 0);
 
-    switch (mimetype) {
-        case MEDIA_FORMAT_I420:
-            format = "I420";
-            break;
-        case MEDIA_FORMAT_NV12:
-            if (is_hw)
-                format = "SN12";
-            else
-                format = "NV12";
-            break;
-        case MEDIA_FORMAT_ARGB:
-                format = "ARGB";
-            break;
-        default:
-            break;
-    }
-    LOGD("input packet format : %s", format);
-    return format;
-}
-
-GstMCBuffer *_mc_gst_media_packet_to_gstbuffer(mc_gst_core_t* core, GstCaps **caps, media_packet_h pkt, bool codec_config)
-{
-    int ret = MEDIA_PACKET_ERROR_NONE;
-    GstMCBuffer *mc_buffer = NULL;
-    void *buf_data = NULL;
-    uint64_t buf_size = 0;
-    uint64_t pts = 0;
-    uint64_t dur = 0;
-
-    ret = media_packet_get_buffer_size(pkt, &buf_size);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("buffer size get fail");
-        return NULL;
-    }
+       if (gst_is_tizen_memory(mem)) {
+               data = (void *)gst_tizen_memory_get_surface(mem);
+               size = tbm_surface_internal_get_size((tbm_surface_h)data);
+       } else {
+               if (!gst_memory_map(mem, &map, GST_MAP_READ)) {
+                       LOGE("gst_memory_map failed for buffer[%p]", buffer);
+                       return NULL;
+               }
+
+               data = map.data;
+               size = map.size;
+       }
+
+       mcbuffer = g_new0(GstMCBuffer, 1);
+
+       mcbuffer->buffer = buffer;
+       mcbuffer->core = core;
+       mcbuffer->buf_size = size;
 
-    ret = media_packet_get_buffer_data_ptr(pkt, &buf_data);
-    if (ret != MEDIA_PACKET_ERROR_NONE) {
-        LOGW("buffer size get fail");
-        return NULL;
-    }
+       ret = __mc_fill_output_buffer(core, data, mcbuffer->buf_size,  mcbuffer);
 
-    mc_buffer = gst_mediacodec_buffer_new(core, pkt, buf_size);
-    if (mc_buffer == NULL) {
-        LOGW("failed to create inbuf");
-        return NULL;
-    }
+       if (!gst_is_tizen_memory(mem))
+               gst_memory_unmap(mem, &map);
 
-    LOGD("pkt : %p, buf_size : %d", pkt, (int)buf_size);
+       if (ret != MC_ERROR_NONE) {
+               LOGW("failed to fill outbuf: %s (ox%08x)", _mc_error_to_string(ret), ret);
+               g_free(mcbuffer);
+               return NULL;
+       }
+
+       return mcbuffer;
+}
+
+int __mc_gst_create_eos_packet(media_format_h fmt, GstMCBuffer *mcbuffer)
+{
+       gint ret = MC_ERROR_NONE;
+       media_packet_h packet = NULL;
+
+       MEDIACODEC_FENTER();
+       if (media_packet_create(fmt, __mc_output_buffer_finalize_cb, mcbuffer, &packet)) {
+               LOGE("media_packet_create failed\n");
+               ret = MC_ERROR;
+               goto ERROR;
+       }
 
-    ret = __mc_fill_input_buffer(core, pkt, mc_buffer);
-    if (ret != MC_ERROR_NONE) {
-        LOGW("failed to fill inbuf");
-        return NULL;
-    }
+       if (media_packet_set_flags(packet, MEDIA_PACKET_END_OF_STREAM)) {
+               LOGE("unable to set EOS flag\n");
+               ret = MC_ERROR;
+               goto ERROR;
+       }
 
-    /* pts */
-    media_packet_get_pts(pkt, &pts);
-    GST_BUFFER_PTS(mc_buffer->buffer) = pts;
+       mcbuffer->buffer = NULL;
+       mcbuffer->ext_mem = NULL;
+       mcbuffer->buf_size = 0;
+       mcbuffer->packet = packet;
+       MEDIACODEC_FLEAVE();
 
-    /* duration */
-    media_packet_get_duration(pkt, &dur);
-    GST_BUFFER_DURATION(mc_buffer->buffer) = dur;
-
-    return mc_buffer;
+       return ret;
+ERROR:
+       if (packet)
+               media_packet_unref(packet);
+       MEDIACODEC_FLEAVE();
+       return ret;
 }
 
-media_packet_h __mc_gst_make_media_packet(mc_gst_core_t *core, unsigned char *data, int size)
+void _mc_gst_handle_input_buffer_used(mc_gst_core_t *core, media_packet_h packet)
 {
-    media_packet_h pkt = NULL;
+       if (core) {
+               g_atomic_int_dec_and_test(&core->etb_count);
+               LOGD("@v(%d)e(%d) input port used(%d)----- ", core->video, core->encoder, core->etb_count);
+       }
 
-    __mc_fill_output_buffer(core, data, size,  &pkt);
+       if (core && core->user_cb[_MEDIACODEC_EVENT_TYPE_EMPTYBUFFER]) {
+               ((mc_empty_buffer_cb)core->user_cb[_MEDIACODEC_EVENT_TYPE_EMPTYBUFFER])
+                       (packet, core->user_data[_MEDIACODEC_EVENT_TYPE_EMPTYBUFFER]);
 
+               g_mutex_lock(&core->drain_lock);
 
-    return pkt;
+               if (core->need_drain) {
+                       LOGD("@v(%d)e(%d) input port used----- single process_input.....", core->video, core->encoder);
+                       core->need_drain = false;
+                       g_cond_signal(&core->buffer_cond);
+               }
+               g_mutex_unlock(&core->drain_lock);
+       }
 }
 
 gboolean __mc_gst_bus_callback(GstBus *bus, GstMessage *msg, gpointer data)
 {
-    int ret  = MC_ERROR_NONE;
-    mc_gst_core_t *core = (mc_gst_core_t *)data;
-    LOGD("@%p v(%d)e(%d)", core, core->video, core->encoder);
+       gint ret  = MC_ERROR_NONE;
+       GstMCBuffer *mcbuffer = NULL;
+
+       mc_gst_core_t *core = (mc_gst_core_t *)data;
+       LOGI("@%p v(%d)e(%d)bus message : %s", core, core->video, core->encoder, gst_message_type_get_name(GST_MESSAGE_TYPE(msg)));
+
+       switch (GST_MESSAGE_TYPE(msg)) {
 
-    switch (GST_MESSAGE_TYPE(msg)) {
+       case GST_MESSAGE_EOS:
+               _mc_send_eos_signal(core);
 
-        case GST_MESSAGE_EOS:
-        {
-            _mc_send_eos_signal(core);
+               mcbuffer = g_new0(GstMCBuffer, 1);
+               if (__mc_gst_create_eos_packet(core->output_fmt, mcbuffer) == MC_ERROR_NONE) {
+                       __mc_push_output_to_queue(core, mcbuffer);
+                       LOGD("send eos packet.");
+               } else {
+                       LOGE("failed to create eos packet.");
+                       g_free(mcbuffer);
+               }
 
-            if (core->user_cb[_MEDIACODEC_EVENT_TYPE_EOS]) {
-                LOGD("eos callback invoked");
-                ((mc_eos_cb) core->user_cb[_MEDIACODEC_EVENT_TYPE_EOS])(core->user_data[_MEDIACODEC_EVENT_TYPE_EOS]);
-            }
+               if (core->user_cb[_MEDIACODEC_EVENT_TYPE_EOS]) {
+                       LOGD("eos callback invoked");
+                       ((mc_eos_cb) core->user_cb[_MEDIACODEC_EVENT_TYPE_EOS])(core->user_data[_MEDIACODEC_EVENT_TYPE_EOS]);
+               }
 
-            LOGD("End of stream\n");
-        }
-        break;
+               LOGD("End of stream\n");
+               break;
 
-        case GST_MESSAGE_ERROR:
-        {
-            GError *error = NULL;
+       case GST_MESSAGE_ERROR:
+       {
+               GError *error = NULL;
 
-            gst_message_parse_error(msg, &error, NULL);
+               gst_message_parse_error(msg, &error, NULL);
 
-            if (!error) {
-                LOGW("GST error message parsing failed");
-                break;
-            }
+               if (!error) {
+                       LOGW("GST error message parsing failed");
+                       break;
+               }
 
-            LOGW("Error: %s\n", error->message);
+               if (error) {
+                       if (error->domain == GST_STREAM_ERROR)
+                               ret = __gst_handle_stream_error(core, error, msg);
+                       else if (error->domain == GST_RESOURCE_ERROR)
+                               ret = __gst_handle_resource_error(core, error->code);
+                       else if (error->domain == GST_LIBRARY_ERROR)
+                               ret = __gst_handle_library_error(core, error->code);
+                       else if (error->domain == GST_CORE_ERROR)
+                               ret = __gst_handle_core_error(core, error->code);
+                       else
+                               LOGW("Unexpected error has occured");
 
-            if (error) {
-                if (error->domain == GST_STREAM_ERROR) {
-                    ret = __gst_handle_stream_error(core, error, msg);
-                } else if (error->domain == GST_RESOURCE_ERROR) {
-                    ret = __gst_handle_resource_error(core, error->code);
-                } else if (error->domain == GST_LIBRARY_ERROR) {
-                    ret = __gst_handle_library_error(core, error->code);
-                } else if (error->domain == GST_CORE_ERROR) {
-                    ret = __gst_handle_core_error(core, error->code);
-                } else {
-                    LOGW("Unexpected error has occured");
-                }
+               g_mutex_lock(&core->drain_lock);
 
-                if (core->user_cb[_MEDIACODEC_EVENT_TYPE_ERROR]) {
-                    ((mc_error_cb) core->user_cb[_MEDIACODEC_EVENT_TYPE_ERROR])
-                        (ret, core->user_data[_MEDIACODEC_EVENT_TYPE_ERROR]);
-                }
-            }
-            g_error_free(error);
-        }
-        break;
+               if (core->need_drain) {
+                       LOGD("@v(%d)e(%d) input port used----- single process_input.....", core->video, core->encoder);
+                       core->need_drain = false;
+                       g_cond_signal(&core->buffer_cond);
+               }
 
-        default:
-        break;
-    }
+               g_mutex_unlock(&core->drain_lock);
 
-    return TRUE;
+                       if (core->user_cb[_MEDIACODEC_EVENT_TYPE_ERROR]) {
+                               ((mc_error_cb) core->user_cb[_MEDIACODEC_EVENT_TYPE_ERROR])
+                                       (ret, core->user_data[_MEDIACODEC_EVENT_TYPE_ERROR]);
+                                       LOGW("Error : %s (ox%08x)", _mc_error_to_string(ret), ret);
+                       }
+               }
+               g_error_free(error);
+       }
+               break;
+
+       default:
+               break;
+       }
+
+       return TRUE;
 }
 
 static gboolean __mc_gst_check_useful_message(mc_gst_core_t *core, GstMessage *msg)
 {
-    gboolean retval = false;
+       gboolean retval = FALSE;
 
-    if (!core->pipeline) {
-        LOGE("mediacodec pipeline handle is null");
-        return true;
-    }
+       if (!core->pipeline) {
+               LOGE("mediacodec pipeline handle is null");
+               return TRUE;
+       }
 
-    switch (GST_MESSAGE_TYPE(msg)) {
-        case GST_MESSAGE_TAG:
-        case GST_MESSAGE_EOS:
-        case GST_MESSAGE_ERROR:
-        case GST_MESSAGE_WARNING:
-            retval = true;
-            break;
-        default:
-            retval = false;
-            break;
-    }
+       switch (GST_MESSAGE_TYPE(msg)) {
+       case GST_MESSAGE_TAG:
+       case GST_MESSAGE_EOS:
+       case GST_MESSAGE_ERROR:
+       case GST_MESSAGE_WARNING:
+               retval = TRUE;
+               break;
+       default:
+               retval = FALSE;
+               break;
+       }
 
-    return retval;
+       return retval;
 }
 
 static GstBusSyncReply __mc_gst_bus_sync_callback(GstBus *bus, GstMessage *msg, gpointer data)
 {
-    mc_gst_core_t *core = (mc_gst_core_t *)data;
-    GstBusSyncReply reply = GST_BUS_DROP;
+       mc_gst_core_t *core = (mc_gst_core_t *)data;
+       GstBusSyncReply reply = GST_BUS_DROP;
 
-    LOGD("__mc_gst_bus_sync_callback is called");
+       LOGD("__mc_gst_bus_sync_callback is called : %s", gst_message_type_get_name(GST_MESSAGE_TYPE(msg)));
 
-    if (!core->pipeline) {
-        LOGE("mediacodec pipeline handle is null");
-        return GST_BUS_PASS;
-    }
+       if (!core->pipeline) {
+               LOGE("mediacodec pipeline handle is null");
+               return GST_BUS_PASS;
+       }
 
-    if (!__mc_gst_check_useful_message(core, msg)) {
-        gst_message_unref(msg);
-        return GST_BUS_DROP;
-    }
+       if (!__mc_gst_check_useful_message(core, msg)) {
+               gst_message_unref(msg);
+               return GST_BUS_DROP;
+       }
 
-    switch (GST_MESSAGE_TYPE(msg)) {
-        case GST_MESSAGE_EOS:
-        case GST_MESSAGE_ERROR:
-          __mc_gst_bus_callback(NULL, msg, core);
-          reply = GST_BUS_DROP;
-        break;
+       switch (GST_MESSAGE_TYPE(msg)) {
+       case GST_MESSAGE_EOS:
+       case GST_MESSAGE_ERROR:
+               __mc_gst_bus_callback(NULL, msg, core);
+               reply = GST_BUS_DROP;
+               break;
 
-        default:
-          reply = GST_BUS_PASS;
-          break;
-    }
+       default:
+               reply = GST_BUS_PASS;
+               break;
+       }
 
-    if (reply == GST_BUS_DROP)
-        gst_message_unref(msg);
+       if (reply == GST_BUS_DROP)
+               gst_message_unref(msg);
 
-    return reply;
+       return reply;
 }
 
-static MMVideoBuffer *__mc_gst_make_tbm_buffer(mc_gst_core_t* core, media_packet_h pkt)
+static GstMemory *__mc_gst_make_tbm_buffer(mc_gst_core_t *core, GstMCBuffer *mcbuffer)
 {
-    tbm_surface_h surface = NULL;
-    tbm_bo bo = NULL;
-    mc_encoder_info_t *enc_info = (mc_encoder_info_t *)core->codec_info;
+       int ret = MEDIA_PACKET_ERROR_NONE;
+       tbm_surface_h surface = NULL;
+       GstMemory *mem = NULL;
 
-    if (!pkt) {
-        LOGE("output is null");
-        return NULL;
-    }
+       if (!mcbuffer->packet) {
+               LOGE("output is null");
+               return NULL;
+       }
 
-    MMVideoBuffer *mm_vbuffer = NULL;
-    mm_vbuffer = (MMVideoBuffer *)malloc(sizeof(MMVideoBuffer));
-    if (!mm_vbuffer) {
-        LOGE("Failed to alloc MMVideoBuffer");
-        return NULL;
-    }
-    memset(mm_vbuffer, 0x00, sizeof(MMVideoBuffer));
+       if (!_mc_gst_video_info_check_and_new(core, mcbuffer)) {
+               LOGE("video info failed");
+               return NULL;
+       }
 
-    media_packet_get_tbm_surface(pkt, &surface);
-    bo = tbm_surface_internal_get_bo(surface, 0);
+       ret = media_packet_get_tbm_surface(mcbuffer->packet, &surface);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGE("Failed to get tbm surface");
+               return NULL;
+       }
 
-    tbm_bo_handle handle = tbm_bo_get_handle(bo, TBM_DEVICE_CPU);
-#ifdef TIZEN_PROFILE_LITE
-    int phy_addr = 0;
-    int phy_size = 0;
-    tbm_bo_handle handle_fd = tbm_bo_get_handle(bo, TBM_DEVICE_MM);
-
-    if (__tbm_get_physical_addr_bo(handle_fd, &phy_addr, &phy_size) == 0) {
-        mm_vbuffer->handle.paddr[0] = (void *)phy_addr;
-        LOGD("mm_vbuffer->paddr : %p", mm_vbuffer->handle.paddr[0]);
-    }
-    LOGD("paddr : %p", phy_addr);
-#endif
+       mem = gst_tizen_allocator_alloc_surface(core->allocator,
+                       core->video_info, surface, mcbuffer, (GDestroyNotify)__mc_input_buffer_finalize_cb);
 
-    mm_vbuffer->type = MM_VIDEO_BUFFER_TYPE_TBM_BO;
-    mm_vbuffer->handle.bo[0] = bo;
-    mm_vbuffer->data[0] =  handle.ptr;
-    mm_vbuffer->width[0] = enc_info->width;
-    mm_vbuffer->height[0] = enc_info->height;
-    mm_vbuffer->stride_width[0] = mm_vbuffer->width[0];
-    mm_vbuffer->stride_height[0] = mm_vbuffer->height[0];
-
-    return mm_vbuffer;
+       return mem;
 }
 
-static void gst_mediacodec_buffer_finalize(GstMCBuffer *mc_buffer)
+static void __mc_input_buffer_finalize_cb(GstMCBuffer *mcbuffer)
 {
-    if (!mc_buffer)
-        return;
+       MEDIACODEC_FENTER();
+
+       if (!mcbuffer)
+               return;
 
-    mc_gst_core_t *core = (mc_gst_core_t *)mc_buffer->core;
+       LOGD("============>>>>>  _finalize_cb  : %p, %p", mcbuffer, mcbuffer->packet);
 
-    if (core->user_cb[_MEDIACODEC_EVENT_TYPE_EMPTYBUFFER]) {
-        ((mc_empty_buffer_cb) core->user_cb[_MEDIACODEC_EVENT_TYPE_EMPTYBUFFER])
-                (mc_buffer->pkt, core->user_data[_MEDIACODEC_EVENT_TYPE_EMPTYBUFFER]);
-    }
+       _mc_gst_handle_input_buffer_used(mcbuffer->core, mcbuffer->packet);
 
-    LOGD("%p buffer finalized...", mc_buffer);
-    free(mc_buffer);
-    mc_buffer = NULL;
+       g_free(mcbuffer);
 
-    return;
+       MEDIACODEC_FLEAVE();
 }
 
-static GstMCBuffer *gst_mediacodec_buffer_new(mc_gst_core_t* core, media_packet_h pkt, uint64_t size)
+static GstMCBuffer *gst_mediacodec_buffer_new(mc_gst_core_t *core, media_packet_h packet, uint64_t size)
 {
-    GstMCBuffer *mc_buffer = NULL;
-
-    mc_buffer = (GstMCBuffer *)malloc(sizeof(*mc_buffer));
+       GstMCBuffer *mcbuffer = NULL;
 
-    if (mc_buffer == NULL) {
-        LOGE("malloc fail");
-        return NULL;
-    }
+       mcbuffer = g_new0(GstMCBuffer, 1);
 
-    mc_buffer->buffer = gst_buffer_new();
-    mc_buffer->buf_size = 0;
+       mcbuffer->buffer = gst_buffer_new();
+       mcbuffer->buf_size = 0;
 
-    LOGD("creating buffer : %p, %p", mc_buffer, mc_buffer->buffer);
-    mc_buffer->core = core;
-    mc_buffer->pkt = pkt;
+       LOGD("creating buffer : %p, %p", mcbuffer, mcbuffer->buffer);
+       mcbuffer->core = core;
+       mcbuffer->packet = packet;
 
-    return mc_buffer;
+       return mcbuffer;
 }
 
 static gint __gst_handle_core_error(mc_gst_core_t *core, int code)
 {
-    gint trans_err = MEDIACODEC_ERROR_NONE;
-
-    g_return_val_if_fail(core, MC_PARAM_ERROR);
-
-    switch (code) {
-        case GST_CORE_ERROR_MISSING_PLUGIN:
-            return MEDIACODEC_ERROR_NOT_SUPPORTED_FORMAT;
-        case GST_CORE_ERROR_STATE_CHANGE:
-        case GST_CORE_ERROR_SEEK:
-        case GST_CORE_ERROR_NOT_IMPLEMENTED:
-        case GST_CORE_ERROR_FAILED:
-        case GST_CORE_ERROR_TOO_LAZY:
-        case GST_CORE_ERROR_PAD:
-        case GST_CORE_ERROR_THREAD:
-        case GST_CORE_ERROR_NEGOTIATION:
-        case GST_CORE_ERROR_EVENT:
-        case GST_CORE_ERROR_CAPS:
-        case GST_CORE_ERROR_TAG:
-        case GST_CORE_ERROR_CLOCK:
-        case GST_CORE_ERROR_DISABLED:
-        default:
-            trans_err =  MEDIACODEC_ERROR_INVALID_STREAM;
-            break;
-    }
-
-    return trans_err;
+       gint trans_err = MEDIACODEC_ERROR_NONE;
+
+       g_return_val_if_fail(core, MC_PARAM_ERROR);
+
+       switch (code) {
+       case GST_CORE_ERROR_MISSING_PLUGIN:
+               return MEDIACODEC_ERROR_NOT_SUPPORTED_FORMAT;
+       case GST_CORE_ERROR_STATE_CHANGE:
+       case GST_CORE_ERROR_SEEK:
+       case GST_CORE_ERROR_NOT_IMPLEMENTED:
+       case GST_CORE_ERROR_FAILED:
+       case GST_CORE_ERROR_TOO_LAZY:
+       case GST_CORE_ERROR_PAD:
+       case GST_CORE_ERROR_THREAD:
+       case GST_CORE_ERROR_NEGOTIATION:
+       case GST_CORE_ERROR_EVENT:
+       case GST_CORE_ERROR_CAPS:
+       case GST_CORE_ERROR_TAG:
+       case GST_CORE_ERROR_CLOCK:
+       case GST_CORE_ERROR_DISABLED:
+       default:
+               trans_err =  MEDIACODEC_ERROR_INVALID_STREAM;
+               break;
+       }
+
+       return trans_err;
 }
 
 static gint __gst_handle_library_error(mc_gst_core_t *core, int code)
 {
-    gint trans_err = MEDIACODEC_ERROR_NONE;
+       gint trans_err = MEDIACODEC_ERROR_NONE;
 
-    g_return_val_if_fail(core, MC_PARAM_ERROR);
+       g_return_val_if_fail(core, MC_PARAM_ERROR);
 
-    switch (code) {
-        case GST_LIBRARY_ERROR_FAILED:
-        case GST_LIBRARY_ERROR_TOO_LAZY:
-        case GST_LIBRARY_ERROR_INIT:
-        case GST_LIBRARY_ERROR_SHUTDOWN:
-        case GST_LIBRARY_ERROR_SETTINGS:
-        case GST_LIBRARY_ERROR_ENCODE:
-        default:
-            trans_err =  MEDIACODEC_ERROR_INVALID_STREAM;
-            break;
-    }
+       switch (code) {
+       case GST_LIBRARY_ERROR_FAILED:
+       case GST_LIBRARY_ERROR_TOO_LAZY:
+       case GST_LIBRARY_ERROR_INIT:
+       case GST_LIBRARY_ERROR_SHUTDOWN:
+       case GST_LIBRARY_ERROR_SETTINGS:
+       case GST_LIBRARY_ERROR_ENCODE:
+       default:
+               trans_err =  MEDIACODEC_ERROR_INVALID_STREAM;
+               break;
+       }
 
-    return trans_err;
+       return trans_err;
 }
 
 
 static gint __gst_handle_resource_error(mc_gst_core_t *core, int code)
 {
-    gint trans_err = MEDIACODEC_ERROR_NONE;
-
-    g_return_val_if_fail(core, MC_PARAM_ERROR);
-
-    switch (code) {
-        case GST_RESOURCE_ERROR_NO_SPACE_LEFT:
-            trans_err = MEDIACODEC_ERROR_NO_FREE_SPACE;
-            break;
-        case GST_RESOURCE_ERROR_WRITE:
-        case GST_RESOURCE_ERROR_FAILED:
-        case GST_RESOURCE_ERROR_SEEK:
-        case GST_RESOURCE_ERROR_TOO_LAZY:
-        case GST_RESOURCE_ERROR_BUSY:
-        case GST_RESOURCE_ERROR_OPEN_WRITE:
-        case GST_RESOURCE_ERROR_OPEN_READ_WRITE:
-        case GST_RESOURCE_ERROR_CLOSE:
-        case GST_RESOURCE_ERROR_SYNC:
-        case GST_RESOURCE_ERROR_SETTINGS:
-        default:
-            trans_err = MEDIACODEC_ERROR_INTERNAL;
-            break;
-    }
-
-    return trans_err;
-}
-
-static gint __gst_handle_stream_error(mc_gst_core_t *core, GError* error, GstMessage * message)
-{
-    gint trans_err = MEDIACODEC_ERROR_NONE;
-
-    g_return_val_if_fail(core, MC_PARAM_ERROR);
-    g_return_val_if_fail(error, MC_PARAM_ERROR);
-    g_return_val_if_fail(message, MC_PARAM_ERROR);
-
-    switch (error->code) {
-        case GST_STREAM_ERROR_FAILED:
-        case GST_STREAM_ERROR_TYPE_NOT_FOUND:
-        case GST_STREAM_ERROR_DECODE:
-        case GST_STREAM_ERROR_WRONG_TYPE:
-        case GST_STREAM_ERROR_DECRYPT:
-        case GST_STREAM_ERROR_DECRYPT_NOKEY:
-        case GST_STREAM_ERROR_CODEC_NOT_FOUND:
-            trans_err = __gst_transform_gsterror(core, message, error);
-            break;
-
-        case GST_STREAM_ERROR_NOT_IMPLEMENTED:
-        case GST_STREAM_ERROR_TOO_LAZY:
-        case GST_STREAM_ERROR_ENCODE:
-        case GST_STREAM_ERROR_DEMUX:
-        case GST_STREAM_ERROR_MUX:
-        case GST_STREAM_ERROR_FORMAT:
-        default:
-            trans_err = MEDIACODEC_ERROR_INVALID_STREAM;
-            break;
-    }
-
-    return trans_err;
-}
-
-static gint __gst_transform_gsterror(mc_gst_core_t *core, GstMessage * message, GError* error)
-{
-    gchar *src_element_name = NULL;
-    GstElement *src_element = NULL;
-    GstElementFactory *factory = NULL;
-    const gchar *klass = NULL;
-
-
-    src_element = GST_ELEMENT_CAST(message->src);
-    if (!src_element)
-        goto INTERNAL_ERROR;
-
-    src_element_name = GST_ELEMENT_NAME(src_element);
-    if (!src_element_name)
-        goto INTERNAL_ERROR;
-
-    factory = gst_element_get_factory(src_element);
-    if (!factory)
-        goto INTERNAL_ERROR;
-
-    klass = gst_element_factory_get_klass(factory);
-    if (!klass)
-        goto INTERNAL_ERROR;
-
-    LOGD("error code=%d, msg=%s, src element=%s, class=%s\n",
-            error->code, error->message, src_element_name, klass);
-
-    switch (error->code) {
-        case GST_STREAM_ERROR_DECODE:
-            return MEDIACODEC_ERROR_INVALID_STREAM;
-            break;
-
-        case GST_STREAM_ERROR_CODEC_NOT_FOUND:
-        case GST_STREAM_ERROR_TYPE_NOT_FOUND:
-        case GST_STREAM_ERROR_WRONG_TYPE:
-            return MEDIACODEC_ERROR_NOT_SUPPORTED_FORMAT;
-            break;
-
-        case GST_STREAM_ERROR_FAILED:
-            return MEDIACODEC_ERROR_NOT_SUPPORTED_FORMAT;
-            break;
-
-        default:
-            break;
-    }
-
-    return MEDIACODEC_ERROR_INVALID_STREAM;
+       gint trans_err = MEDIACODEC_ERROR_NONE;
+
+       g_return_val_if_fail(core, MC_PARAM_ERROR);
+
+       switch (code) {
+       case GST_RESOURCE_ERROR_NO_SPACE_LEFT:
+               trans_err = MEDIACODEC_ERROR_NO_FREE_SPACE;
+               break;
+       case GST_RESOURCE_ERROR_WRITE:
+       case GST_RESOURCE_ERROR_FAILED:
+       case GST_RESOURCE_ERROR_SEEK:
+       case GST_RESOURCE_ERROR_TOO_LAZY:
+       case GST_RESOURCE_ERROR_BUSY:
+       case GST_RESOURCE_ERROR_OPEN_WRITE:
+       case GST_RESOURCE_ERROR_OPEN_READ_WRITE:
+       case GST_RESOURCE_ERROR_CLOSE:
+       case GST_RESOURCE_ERROR_SYNC:
+       case GST_RESOURCE_ERROR_SETTINGS:
+       default:
+               trans_err = MEDIACODEC_ERROR_INTERNAL;
+               break;
+       }
+
+       return trans_err;
+}
+
+static gint __gst_handle_stream_error(mc_gst_core_t *core, GError *error, GstMessage *message)
+{
+       gint trans_err = MEDIACODEC_ERROR_NONE;
+
+       g_return_val_if_fail(core, MC_PARAM_ERROR);
+       g_return_val_if_fail(error, MC_PARAM_ERROR);
+       g_return_val_if_fail(message, MC_PARAM_ERROR);
+
+       switch (error->code) {
+       case GST_STREAM_ERROR_FAILED:
+       case GST_STREAM_ERROR_TYPE_NOT_FOUND:
+       case GST_STREAM_ERROR_DECODE:
+       case GST_STREAM_ERROR_WRONG_TYPE:
+       case GST_STREAM_ERROR_DECRYPT:
+       case GST_STREAM_ERROR_DECRYPT_NOKEY:
+       case GST_STREAM_ERROR_CODEC_NOT_FOUND:
+               trans_err = __gst_transform_gsterror(core, message, error);
+               break;
+
+       case GST_STREAM_ERROR_NOT_IMPLEMENTED:
+       case GST_STREAM_ERROR_TOO_LAZY:
+       case GST_STREAM_ERROR_ENCODE:
+       case GST_STREAM_ERROR_DEMUX:
+       case GST_STREAM_ERROR_MUX:
+       case GST_STREAM_ERROR_FORMAT:
+       default:
+               trans_err = MEDIACODEC_ERROR_INVALID_STREAM;
+               break;
+       }
+
+       return trans_err;
+}
+
+static gint __gst_transform_gsterror(mc_gst_core_t *core, GstMessage *message, GError *error)
+{
+       gchar *src_element_name = NULL;
+       GstElement *src_element = NULL;
+       GstElementFactory *factory = NULL;
+       const gchar *klass = NULL;
+
+
+       src_element = GST_ELEMENT_CAST(message->src);
+       if (!src_element)
+               goto INTERNAL_ERROR;
+
+       src_element_name = GST_ELEMENT_NAME(src_element);
+       if (!src_element_name)
+               goto INTERNAL_ERROR;
+
+       factory = gst_element_get_factory(src_element);
+       if (!factory)
+               goto INTERNAL_ERROR;
+
+       klass = gst_element_factory_get_klass(factory);
+       if (!klass)
+               goto INTERNAL_ERROR;
+
+       LOGD("error code=%d, msg=%s, src element=%s, class=%s\n",
+                       error->code, error->message, src_element_name, klass);
+
+       switch (error->code) {
+       case GST_STREAM_ERROR_DECODE:
+       case GST_STREAM_ERROR_FAILED:
+               return MEDIACODEC_ERROR_INVALID_STREAM;
+               break;
+
+       case GST_STREAM_ERROR_CODEC_NOT_FOUND:
+       case GST_STREAM_ERROR_TYPE_NOT_FOUND:
+       case GST_STREAM_ERROR_WRONG_TYPE:
+               return MEDIACODEC_ERROR_NOT_SUPPORTED_FORMAT;
+               break;
+
+       default:
+               return MEDIACODEC_ERROR_INTERNAL;
+               break;
+       }
 
 INTERNAL_ERROR:
-    return MEDIACODEC_ERROR_INTERNAL;
+       return MEDIACODEC_ERROR_INTERNAL;
 }
 
-static void _mc_gst_flush_buffers(mc_gst_core_t *core)
+static gint _mc_gst_flush_buffers(mc_gst_core_t *core)
 {
-    int ret = MC_ERROR_NONE;
+       gboolean ret = FALSE;
+       GstEvent *event = NULL;
 
-    MEDIACODEC_FENTER();
-    _mc_gst_set_flush_input(core);
-    ret = gst_pad_push_event(core->pipeline, gst_event_new_flush_start());
-    if (ret != MC_ERROR_NONE) {
-        LOGE("failed to send flush_start event");
-    }
+       MEDIACODEC_FENTER();
 
-    ret = gst_pad_push_event(core->pipeline, gst_event_new_flush_stop(TRUE));
-    if (ret != MC_ERROR_NONE) {
-        LOGE("failed to send flush_stop event");
-    }
+       _mc_gst_set_flush_input(core);
 
+       LOGW("Trying send flush_start .... ");
+       event = gst_event_new_flush_start();
+       ret = gst_element_send_event(core->appsrc, event);
+       if (ret != TRUE) {
+               LOGE("failed to send Flush_Start event");
+               return MC_ERROR;
+       }
 
-    MEDIACODEC_FLEAVE();
-}
-
-
-static void _mc_gst_set_flush_input(mc_gst_core_t *core)
-{
-    media_packet_h pkt = NULL;
+       LOGW("Trying send flush_stop .... ");
+       event = gst_event_new_flush_stop(TRUE);
+       ret = gst_element_send_event(core->appsrc, event);
+       if (ret != TRUE) {
+               LOGE("failed to send Flush_Stop event");
+               return MC_ERROR;
+       }
 
-    LOGI("_mc_gst_set_flush_input is called");
-    while (pkt != mc_async_queue_pop_forced(core->available_queue->input)) {
-        LOGD("%p pkt is poped");
-        if (core->user_cb[_MEDIACODEC_EVENT_TYPE_EMPTYBUFFER]) {
-            ((mc_empty_buffer_cb) core->user_cb[_MEDIACODEC_EVENT_TYPE_EMPTYBUFFER])
-                (pkt, core->user_data[_MEDIACODEC_EVENT_TYPE_EMPTYBUFFER]);
-        }
-    }
+       LOGW("Trying send seek .... ");
+       event = gst_event_new_seek(1.0, GST_FORMAT_BYTES, GST_SEEK_FLAG_FLUSH,
+                       GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_NONE, -1);
 
-    mc_async_queue_flush(core->available_queue->input);
-    core->queued_count = 0;
-}
+       ret = gst_element_send_event(core->appsrc, event);
+       if (ret != TRUE) {
+               LOGE("failed to send seek event");
+               return MC_ERROR;
+       }
 
-static void _mc_gst_set_flush_output(mc_gst_core_t *core)
-{
-    media_packet_h pkt = NULL;
+       _mc_gst_set_flush_output(core);
 
-    MEDIACODEC_FENTER();
-    g_mutex_lock(&core->ports[1]->mutex);
+       MEDIACODEC_FLEAVE();
 
-    while(!g_queue_is_empty(core->ports[1]->queue))
-    {
-        pkt = g_queue_pop_head(core->ports[1]->queue);
-        LOGD("outpkt in output_queue : %p", pkt);
-        if (pkt) {
-            media_packet_destroy(pkt);
-            LOGD("outpkt destroyed");
-            pkt = NULL;
-        }
-    }
-    core->dequeued_count = 0;
-    g_mutex_unlock(&core->ports[1]->mutex);
-    MEDIACODEC_FLEAVE();
+       return MC_ERROR_NONE;
 }
 
-#ifdef TIZEN_PROFILE_LITE
-int __tbm_get_physical_addr_bo(tbm_bo_handle tbm_bo_handle_fd_t, int *phy_addr, int *phy_size)
+
+static void _mc_gst_set_flush_input(mc_gst_core_t *core)
 {
-    int tbm_bo_handle_fd;
+       media_packet_h packet = NULL;
 
-    int ret = 0;
+       MEDIACODEC_FENTER();
+       LOGI("_mc_gst_set_flush_input called : input_queue_len = %d, etb_count = %d", core->available_queue->input->length, core->etb_count);
 
-    tbm_bo_handle_fd = tbm_bo_handle_fd_t.u32;
+       while (!mc_async_queue_is_empty(core->available_queue->input)) {
+               packet = mc_async_queue_pop_forced(core->available_queue->input);
+               LOGD("%p poped(%d)", packet, core->etb_count);
 
-    int open_flags = O_RDWR;
-    int ion_fd = -1;
+               _mc_gst_handle_input_buffer_used(core, packet);
+       }
 
-    struct ion_mmu_data mmu_data;
-    struct ion_custom_data  custom_data;
+       mc_async_queue_flush(core->available_queue->input);
+       LOGI("_mc_gst_set_flush_input ended : input_queue_len = %d, etb_count = %d", core->available_queue->input->length, core->etb_count);
+       MEDIACODEC_FLEAVE();
+}
 
-    mmu_data.fd_buffer = tbm_bo_handle_fd;
-    custom_data.cmd = 4;
-    custom_data.arg = (unsigned long)&mmu_data;
+static void _mc_gst_set_flush_output(mc_gst_core_t *core)
+{
+       media_packet_h packet = NULL;
 
-    ion_fd = open("/dev/ion", open_flags);
-    if (ion_fd < 0) {
-      LOGE("[tbm_get_physical_addr_bo] ion_fd open device failed");
-    }
+       MEDIACODEC_FENTER();
 
-    if (ioctl(ion_fd, ION_IOC_CUSTOM, &custom_data) < 0) {
-        LOGE("[tbm_get_physical_addr_bo] ION_IOC_CUSTOM failed");
-        ret = -1;
-    }
+       g_mutex_lock(&core->ports[1]->mutex);
 
-    if (!ret) {
-        *phy_addr = mmu_data.iova_addr;
-        *phy_size = mmu_data.iova_size;
-    } else {
-        *phy_addr = 0;
-        *phy_size = 0;
-        LOGW("[tbm_get_physical_addr_bo] getting physical address is failed. phy_addr = 0");
-    }
+       while ((packet = g_queue_pop_head(core->ports[1]->queue))) {
+               LOGD("release packet[%p]", packet);
+               media_packet_unref(packet);
+       }
 
-    if (ion_fd != -1) {
-        close(ion_fd);
-        ion_fd = -1;
-    }
+       g_mutex_unlock(&core->ports[1]->mutex);
 
-    return 0;
+       MEDIACODEC_FLEAVE();
 }
-#endif
 
+#if TIZEN_EXYNOS_SPECIFIC
 /*
  * Get tiled address of position(x,y)
  *
@@ -2888,44 +3311,44 @@ int __tbm_get_physical_addr_bo(tbm_bo_handle tbm_bo_handle_fd_t, int *phy_addr,
  * @return
  *   address of tiled data
  */
-static int __tile_4x2_read(int x_size, int y_size, int x_pos, int y_pos)
+static gint __tile_4x2_read(gint x_size, gint y_size, gint x_pos, gint y_pos)
 {
-    int pixel_x_m1, pixel_y_m1;
-    int roundup_x;
-    int linear_addr0, linear_addr1, bank_addr ;
-    int x_addr;
-    int trans_addr;
+       gint pixel_x_m1, pixel_y_m1;
+       gint roundup_x;
+       gint linear_addr0, linear_addr1, bank_addr ;
+       gint x_addr;
+       gint trans_addr;
 
-    pixel_x_m1 = x_size - 1;
-    pixel_y_m1 = y_size - 1;
+       pixel_x_m1 = x_size - 1;
+       pixel_y_m1 = y_size - 1;
 
-    roundup_x = ((pixel_x_m1 >> 7) + 1);
+       roundup_x = ((pixel_x_m1 >> 7) + 1);
 
-    x_addr = x_pos >> 2;
+       x_addr = x_pos >> 2;
 
-    if ((y_size <= y_pos+32) && (y_pos < y_size) &&
-        (((pixel_y_m1 >> 5) & 0x1) == 0) && (((y_pos >> 5) & 0x1) == 0)) {
-        linear_addr0 = (((y_pos & 0x1f) << 4) | (x_addr & 0xf));
-        linear_addr1 = (((y_pos >> 6) & 0xff) * roundup_x + ((x_addr >> 6) & 0x3f));
+       if ((y_size <= y_pos+32) && (y_pos < y_size) &&
+                       (((pixel_y_m1 >> 5) & 0x1) == 0) && (((y_pos >> 5) & 0x1) == 0)) {
+               linear_addr0 = (((y_pos & 0x1f) << 4) | (x_addr & 0xf));
+               linear_addr1 = (((y_pos >> 6) & 0xff) * roundup_x + ((x_addr >> 6) & 0x3f));
 
-        if (((x_addr >> 5) & 0x1) == ((y_pos >> 5) & 0x1))
-            bank_addr = ((x_addr >> 4) & 0x1);
-        else
-            bank_addr = 0x2 | ((x_addr >> 4) & 0x1);
-    } else {
-        linear_addr0 = (((y_pos & 0x1f) << 4) | (x_addr & 0xf));
-        linear_addr1 = (((y_pos >> 6) & 0xff) * roundup_x + ((x_addr >> 5) & 0x7f));
+               if (((x_addr >> 5) & 0x1) == ((y_pos >> 5) & 0x1))
+                       bank_addr = ((x_addr >> 4) & 0x1);
+               else
+                       bank_addr = 0x2 | ((x_addr >> 4) & 0x1);
+       } else {
+               linear_addr0 = (((y_pos & 0x1f) << 4) | (x_addr & 0xf));
+               linear_addr1 = (((y_pos >> 6) & 0xff) * roundup_x + ((x_addr >> 5) & 0x7f));
 
-        if (((x_addr >> 5) & 0x1) == ((y_pos >> 5) & 0x1))
-            bank_addr = ((x_addr >> 4) & 0x1);
-        else
-            bank_addr = 0x2 | ((x_addr >> 4) & 0x1);
-    }
+               if (((x_addr >> 5) & 0x1) == ((y_pos >> 5) & 0x1))
+                       bank_addr = ((x_addr >> 4) & 0x1);
+               else
+                       bank_addr = 0x2 | ((x_addr >> 4) & 0x1);
+       }
 
-    linear_addr0 = linear_addr0 << 2;
-    trans_addr = (linear_addr1 << 13) | (bank_addr << 11) | linear_addr0;
+       linear_addr0 = linear_addr0 << 2;
+       trans_addr = (linear_addr1 << 13) | (bank_addr << 11) | linear_addr0;
 
-    return trans_addr;
+       return trans_addr;
 }
 
 /*
@@ -2959,185 +3382,433 @@ static int __tile_4x2_read(int x_size, int y_size, int x_pos, int y_pos)
  * @param buttom
  *   Crop size of buttom
  */
-static void __csc_tiled_to_linear_crop(unsigned char *yuv420_dest, unsigned char *nv12t_src,
-    int yuv420_width, int yuv420_height,
-    int left, int top, int right, int buttom)
-{
-    int i, j;
-    int tiled_offset = 0, tiled_offset1 = 0;
-    int linear_offset = 0;
-    int temp1 = 0, temp2 = 0, temp3 = 0, temp4 = 0;
-
-    temp3 = yuv420_width-right;
-    temp1 = temp3-left;
-    /* real width is greater than or equal 256 */
-    if (temp1 >= 256) {
-        for (i = top; i < yuv420_height-buttom; i += 1) {
-            j = left;
-            temp3 = (j>>8)<<8;
-            temp3 = temp3>>6;
-            temp4 = i>>5;
-            if (temp4 & 0x1) {
-                /* odd fomula: 2+x+(x>>2)<<2+x_block_num*(y-1) */
-                tiled_offset = temp4-1;
-                temp1 = ((yuv420_width+127)>>7)<<7;
-                tiled_offset = tiled_offset*(temp1>>6);
-                tiled_offset = tiled_offset+temp3;
-                tiled_offset = tiled_offset+2;
-                temp1 = (temp3>>2)<<2;
-                tiled_offset = tiled_offset+temp1;
-                tiled_offset = tiled_offset<<11;
-                tiled_offset1 = tiled_offset+2048*2;
-                temp4 = 8;
-            } else {
-                temp2 = ((yuv420_height+31)>>5)<<5;
-                if ((i + 32) < temp2) {
-                    /* even1 fomula: x+((x+2)>>2)<<2+x_block_num*y */
-                    temp1 = temp3+2;
-                    temp1 = (temp1>>2)<<2;
-                    tiled_offset = temp3+temp1;
-                    temp1 = ((yuv420_width+127)>>7)<<7;
-                    tiled_offset = tiled_offset+temp4*(temp1>>6);
-                    tiled_offset = tiled_offset<<11;
-                    tiled_offset1 = tiled_offset + 2048 * 6;
-                    temp4 = 8;
-                } else {
-                    /* even2 fomula: x+x_block_num*y */
-                    temp1 = ((yuv420_width+127)>>7)<<7;
-                    tiled_offset = temp4*(temp1>>6);
-                    tiled_offset = tiled_offset+temp3;
-                    tiled_offset = tiled_offset<<11;
-                    tiled_offset1 = tiled_offset+2048*2;
-                    temp4 = 4;
-                }
-            }
-
-            temp1 = i&0x1F;
-            tiled_offset = tiled_offset+64*(temp1);
-            tiled_offset1 = tiled_offset1+64*(temp1);
-            temp2 = yuv420_width-left-right;
-            linear_offset = temp2*(i-top);
-            temp3 = ((j+256)>>8)<<8;
-            temp3 = temp3-j;
-            temp1 = left&0x3F;
-            if (temp3 > 192) {
-                memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset+temp1, 64-temp1);
-                temp2 = ((left+63)>>6)<<6;
-                temp3 = ((yuv420_width-right)>>6)<<6;
-                if (temp2 == temp3) {
-                    temp2 = yuv420_width-right-(64-temp1);
-                }
-                memcpy(yuv420_dest+linear_offset+64-temp1, nv12t_src+tiled_offset+2048, 64);
-                memcpy(yuv420_dest+linear_offset+128-temp1, nv12t_src+tiled_offset1, 64);
-                memcpy(yuv420_dest+linear_offset+192-temp1, nv12t_src+tiled_offset1+2048, 64);
-                linear_offset = linear_offset+256-temp1;
-            } else if (temp3 > 128) {
-                memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset+2048+temp1, 64-temp1);
-                memcpy(yuv420_dest+linear_offset+64-temp1, nv12t_src+tiled_offset1, 64);
-                memcpy(yuv420_dest+linear_offset+128-temp1, nv12t_src+tiled_offset1+2048, 64);
-                linear_offset = linear_offset+192-temp1;
-            } else if (temp3 > 64) {
-                memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset1+temp1, 64-temp1);
-                memcpy(yuv420_dest+linear_offset+64-temp1, nv12t_src+tiled_offset1+2048, 64);
-                linear_offset = linear_offset+128-temp1;
-            } else if (temp3 > 0) {
-                memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset1+2048+temp1, 64-temp1);
-                linear_offset = linear_offset+64-temp1;
-            }
-
-            tiled_offset = tiled_offset+temp4*2048;
-            j = (left>>8)<<8;
-            j = j + 256;
-            temp2 = yuv420_width-right-256;
-            for (; j <= temp2; j += 256) {
-                memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64);
-                tiled_offset1 = tiled_offset1+temp4*2048;
-                memcpy(yuv420_dest+linear_offset+64, nv12t_src+tiled_offset+2048, 64);
-                memcpy(yuv420_dest+linear_offset+128, nv12t_src+tiled_offset1, 64);
-                tiled_offset = tiled_offset+temp4*2048;
-                memcpy(yuv420_dest+linear_offset+192, nv12t_src+tiled_offset1+2048, 64);
-                linear_offset = linear_offset+256;
-            }
-
-            tiled_offset1 = tiled_offset1+temp4*2048;
-            temp2 = yuv420_width-right-j;
-            if (temp2 > 192) {
-                memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64);
-                memcpy(yuv420_dest+linear_offset+64, nv12t_src+tiled_offset+2048, 64);
-                memcpy(yuv420_dest+linear_offset+128, nv12t_src+tiled_offset1, 64);
-                memcpy(yuv420_dest+linear_offset+192, nv12t_src+tiled_offset1+2048, temp2-192);
-            } else if (temp2 > 128) {
-                memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64);
-                memcpy(yuv420_dest+linear_offset+64, nv12t_src+tiled_offset+2048, 64);
-                memcpy(yuv420_dest+linear_offset+128, nv12t_src+tiled_offset1, temp2-128);
-            } else if (temp2 > 64) {
-                memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64);
-                memcpy(yuv420_dest+linear_offset+64, nv12t_src+tiled_offset+2048, temp2-64);
-            } else {
-                memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, temp2);
-            }
-        }
-    } else if (temp1 >= 64) {
-        for (i = top; i < (yuv420_height-buttom); i += 1) {
-            j = left;
-            tiled_offset = __tile_4x2_read(yuv420_width, yuv420_height, j, i);
-            temp2 = ((j+64)>>6)<<6;
-            temp2 = temp2-j;
-            linear_offset = temp1*(i-top);
-            temp4 = j&0x3;
-            tiled_offset = tiled_offset+temp4;
-            memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, temp2);
-            linear_offset = linear_offset+temp2;
-            j = j+temp2;
-            if ((j+64) <= temp3) {
-                tiled_offset = __tile_4x2_read(yuv420_width, yuv420_height, j, i);
-                memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64);
-                linear_offset = linear_offset+64;
-                j = j+64;
-            }
-            if ((j+64) <= temp3) {
-                tiled_offset = __tile_4x2_read(yuv420_width, yuv420_height, j, i);
-                memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64);
-                linear_offset = linear_offset+64;
-                j = j+64;
-            }
-            if (j < temp3) {
-                tiled_offset = __tile_4x2_read(yuv420_width, yuv420_height, j, i);
-                temp2 = temp3-j;
-                memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, temp2);
-            }
-        }
-    } else {
-        for (i = top; i < (yuv420_height-buttom); i += 1) {
-            linear_offset = temp1*(i-top);
-            for (j = left; j < (yuv420_width - right); j += 2) {
-                tiled_offset = __tile_4x2_read(yuv420_width, yuv420_height, j, i);
-                temp4 = j&0x3;
-                tiled_offset = tiled_offset+temp4;
-                memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 2);
-                linear_offset = linear_offset+2;
-            }
-        }
-    }
+static void __csc_tiled_to_linear_crop(gchar *yuv420_dest, gchar *nv12t_src,
+               gint yuv420_width, gint yuv420_height,
+               gint left, int top, gint right, gint buttom)
+{
+       gint i, j;
+       gint tiled_offset = 0, tiled_offset1 = 0;
+       gint linear_offset = 0;
+       gint temp1 = 0, temp2 = 0, temp3 = 0, temp4 = 0;
+
+       temp3 = yuv420_width-right;
+       temp1 = temp3-left;
+       /* real width is greater than or equal 256 */
+       if (temp1 >= 256) {
+               for (i = top; i < yuv420_height-buttom; i += 1) {
+                       j = left;
+                       temp3 = (j>>8)<<8;
+                       temp3 = temp3>>6;
+                       temp4 = i>>5;
+                       if (temp4 & 0x1) {
+                               /* odd fomula: 2+x+(x>>2)<<2+x_block_num*(y-1) */
+                               tiled_offset = temp4-1;
+                               temp1 = ((yuv420_width+127)>>7)<<7;
+                               tiled_offset = tiled_offset*(temp1>>6);
+                               tiled_offset = tiled_offset+temp3;
+                               tiled_offset = tiled_offset+2;
+                               temp1 = (temp3>>2)<<2;
+                               tiled_offset = tiled_offset+temp1;
+                               tiled_offset = tiled_offset<<11;
+                               tiled_offset1 = tiled_offset+2048*2;
+                               temp4 = 8;
+                       } else {
+                               temp2 = ((yuv420_height+31)>>5)<<5;
+                               if ((i + 32) < temp2) {
+                                       /* even1 fomula: x+((x+2)>>2)<<2+x_block_num*y */
+                                       temp1 = temp3+2;
+                                       temp1 = (temp1>>2)<<2;
+                                       tiled_offset = temp3+temp1;
+                                       temp1 = ((yuv420_width+127)>>7)<<7;
+                                       tiled_offset = tiled_offset+temp4*(temp1>>6);
+                                       tiled_offset = tiled_offset<<11;
+                                       tiled_offset1 = tiled_offset + 2048 * 6;
+                                       temp4 = 8;
+                               } else {
+                                       /* even2 fomula: x+x_block_num*y */
+                                       temp1 = ((yuv420_width+127)>>7)<<7;
+                                       tiled_offset = temp4*(temp1>>6);
+                                       tiled_offset = tiled_offset+temp3;
+                                       tiled_offset = tiled_offset<<11;
+                                       tiled_offset1 = tiled_offset+2048*2;
+                                       temp4 = 4;
+                               }
+                       }
+
+                       temp1 = i&0x1F;
+                       tiled_offset = tiled_offset+64*(temp1);
+                       tiled_offset1 = tiled_offset1+64*(temp1);
+                       temp2 = yuv420_width-left-right;
+                       linear_offset = temp2*(i-top);
+                       temp3 = ((j+256)>>8)<<8;
+                       temp3 = temp3-j;
+                       temp1 = left&0x3F;
+
+                       if (temp3 > 192) {
+                               memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset+temp1, 64-temp1);
+                               temp2 = ((left+63)>>6)<<6;
+                               temp3 = ((yuv420_width-right)>>6)<<6;
+
+                               if (temp2 == temp3)
+                                       temp2 = yuv420_width-right-(64-temp1);
+
+                               memcpy(yuv420_dest+linear_offset+64-temp1, nv12t_src+tiled_offset+2048, 64);
+                               memcpy(yuv420_dest+linear_offset+128-temp1, nv12t_src+tiled_offset1, 64);
+                               memcpy(yuv420_dest+linear_offset+192-temp1, nv12t_src+tiled_offset1+2048, 64);
+                               linear_offset = linear_offset+256-temp1;
+                       } else if (temp3 > 128) {
+                               memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset+2048+temp1, 64-temp1);
+                               memcpy(yuv420_dest+linear_offset+64-temp1, nv12t_src+tiled_offset1, 64);
+                               memcpy(yuv420_dest+linear_offset+128-temp1, nv12t_src+tiled_offset1+2048, 64);
+                               linear_offset = linear_offset+192-temp1;
+                       } else if (temp3 > 64) {
+                               memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset1+temp1, 64-temp1);
+                               memcpy(yuv420_dest+linear_offset+64-temp1, nv12t_src+tiled_offset1+2048, 64);
+                               linear_offset = linear_offset+128-temp1;
+                       } else if (temp3 > 0) {
+                               memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset1+2048+temp1, 64-temp1);
+                               linear_offset = linear_offset+64-temp1;
+                       }
+
+                       tiled_offset = tiled_offset+temp4*2048;
+                       j = (left>>8)<<8;
+                       j = j + 256;
+                       temp2 = yuv420_width-right-256;
+                       for (; j <= temp2; j += 256) {
+                               memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64);
+                               tiled_offset1 = tiled_offset1+temp4*2048;
+                               memcpy(yuv420_dest+linear_offset+64, nv12t_src+tiled_offset+2048, 64);
+                               memcpy(yuv420_dest+linear_offset+128, nv12t_src+tiled_offset1, 64);
+                               tiled_offset = tiled_offset+temp4*2048;
+                               memcpy(yuv420_dest+linear_offset+192, nv12t_src+tiled_offset1+2048, 64);
+                               linear_offset = linear_offset+256;
+                       }
+
+                       tiled_offset1 = tiled_offset1+temp4*2048;
+                       temp2 = yuv420_width-right-j;
+                       if (temp2 > 192) {
+                               memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64);
+                               memcpy(yuv420_dest+linear_offset+64, nv12t_src+tiled_offset+2048, 64);
+                               memcpy(yuv420_dest+linear_offset+128, nv12t_src+tiled_offset1, 64);
+                               memcpy(yuv420_dest+linear_offset+192, nv12t_src+tiled_offset1+2048, temp2-192);
+                       } else if (temp2 > 128) {
+                               memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64);
+                               memcpy(yuv420_dest+linear_offset+64, nv12t_src+tiled_offset+2048, 64);
+                               memcpy(yuv420_dest+linear_offset+128, nv12t_src+tiled_offset1, temp2-128);
+                       } else if (temp2 > 64) {
+                               memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64);
+                               memcpy(yuv420_dest+linear_offset+64, nv12t_src+tiled_offset+2048, temp2-64);
+                       } else {
+                               memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, temp2);
+                       }
+               }
+       } else if (temp1 >= 64) {
+               for (i = top; i < (yuv420_height-buttom); i += 1) {
+                       j = left;
+                       tiled_offset = __tile_4x2_read(yuv420_width, yuv420_height, j, i);
+                       temp2 = ((j+64)>>6)<<6;
+                       temp2 = temp2-j;
+                       linear_offset = temp1*(i-top);
+                       temp4 = j&0x3;
+                       tiled_offset = tiled_offset+temp4;
+                       memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, temp2);
+                       linear_offset = linear_offset+temp2;
+                       j = j+temp2;
+                       if ((j+64) <= temp3) {
+                               tiled_offset = __tile_4x2_read(yuv420_width, yuv420_height, j, i);
+                               memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64);
+                               linear_offset = linear_offset+64;
+                               j = j+64;
+                       }
+                       if ((j+64) <= temp3) {
+                               tiled_offset = __tile_4x2_read(yuv420_width, yuv420_height, j, i);
+                               memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64);
+                               linear_offset = linear_offset+64;
+                               j = j+64;
+                       }
+                       if (j < temp3) {
+                               tiled_offset = __tile_4x2_read(yuv420_width, yuv420_height, j, i);
+                               temp2 = temp3-j;
+                               memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, temp2);
+                       }
+               }
+       } else {
+               for (i = top; i < (yuv420_height-buttom); i += 1) {
+                       linear_offset = temp1*(i-top);
+                       for (j = left; j < (yuv420_width - right); j += 2) {
+                               tiled_offset = __tile_4x2_read(yuv420_width, yuv420_height, j, i);
+                               temp4 = j&0x3;
+                               tiled_offset = tiled_offset+temp4;
+                               memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 2);
+                               linear_offset = linear_offset+2;
+                       }
+               }
+       }
 }
+#endif
 
 void _mc_send_eos_signal(mc_gst_core_t *core)
 {
-    g_mutex_lock(&core->eos_mutex);
-    core->eos = FALSE;
-    g_cond_broadcast(&core->eos_cond);
-    g_mutex_unlock(&core->eos_mutex);
-    LOGD("send EOS signal");
+       g_mutex_lock(&core->eos_mutex);
+       core->eos = FALSE;
+       g_cond_broadcast(&core->eos_cond);
+       g_mutex_unlock(&core->eos_mutex);
+       LOGD("send EOS signal");
 }
 
 void _mc_wait_for_eos(mc_gst_core_t *core)
 {
-    g_mutex_lock(&core->eos_mutex);
-    core->eos = TRUE;
-    LOGD("waiting for EOS");
-    while (core->eos) {
-        g_cond_wait(&core->eos_cond, &core->eos_mutex);
-    }
-    LOGD("received EOS");
-    g_mutex_unlock(&core->eos_mutex);
+       g_mutex_lock(&core->eos_mutex);
+       core->eos = TRUE;
+       LOGD("waiting for EOS");
+
+       while (core->eos)
+               g_cond_wait(&core->eos_cond, &core->eos_mutex);
+
+       LOGD("received EOS");
+       g_mutex_unlock(&core->eos_mutex);
+}
+
+const gchar * _mc_error_to_string(mc_ret_e err)
+{
+       guint err_u = (guint) err;
+
+       switch (err_u) {
+       case MC_ERROR:
+               return "Error";
+       case MC_PARAM_ERROR:
+               return "Parameter error";
+       case MC_INVALID_ARG:
+               return "Invailid argument";
+       case MC_PERMISSION_DENIED:
+               return "Permission denied";
+       case MC_INVALID_STATUS:
+               return "Invalid status";
+       case MC_NOT_SUPPORTED:
+               return "Not supported";
+       case MC_INVALID_IN_BUF:
+               return "Invalid inputbuffer";
+       case MC_INVALID_OUT_BUF:
+               return "Invalid outputbuffer";
+       case MC_INTERNAL_ERROR:
+               return "Internal error";
+       case MC_HW_ERROR:
+               return "Hardware error";
+       case MC_NOT_INITIALIZED:
+               return "Not initialized";
+       case MC_INVALID_STREAM:
+               return "Invalid stream";
+       case MC_CODEC_NOT_FOUND:
+               return "Codec not found";
+       case MC_ERROR_DECODE:
+               return "Decode error";
+       case MC_OUTPUT_BUFFER_EMPTY:
+               return "Outputbuffer empty";
+       case MC_OUTPUT_BUFFER_OVERFLOW:
+               return "Outputbuffer overflow";
+       case MC_MEMORY_ALLOCED:
+               return "Memory allocated";
+       case MC_COURRPTED_INI:
+               return "Courrpted ini";
+       default:
+               return "Unknown error";
+
+       }
+}
+
+const gchar * _mc_bit_to_string(int bit)
+{
+       switch (bit) {
+       case 16:
+               return "S16LE";
+       case 32:
+               return "F32LE";
+       default:
+               return "NULL";
+
+       }
+}
+
+int _mc_get_mime(mc_gst_core_t *core)
+{
+       media_format_mimetype_e mime = MEDIA_FORMAT_MAX;
+
+       switch (core->codec_id) {
+       case MEDIACODEC_H264:
+               if (core->encoder)
+                       mime = (core->is_hw) ? MEDIA_FORMAT_NV12 : MEDIA_FORMAT_I420;
+               else
+                       mime = MEDIA_FORMAT_H264_SP;
+               break;
+       case MEDIACODEC_MPEG4:
+               if (core->encoder)
+                       mime = (core->is_hw) ? MEDIA_FORMAT_NV12 : MEDIA_FORMAT_I420;
+               else
+                       mime = MEDIA_FORMAT_MPEG4_SP;
+
+               break;
+       case MEDIACODEC_H263:
+               if (core->encoder)
+                       mime = (core->is_hw) ? MEDIA_FORMAT_NV12 : MEDIA_FORMAT_I420;
+               else
+                       mime = MEDIA_FORMAT_H263P;
+
+               break;
+       case MEDIACODEC_AAC:
+               if (core->encoder)
+                       mime = MEDIA_FORMAT_PCM_F32LE;  /*FIXME need to change PCM supported by chipset */
+               else
+                       mime = MEDIA_FORMAT_AAC;
+
+               break;
+       case MEDIACODEC_AAC_HE:
+               if (core->encoder)
+                       mime = MEDIA_FORMAT_PCM_F32LE;  /* FIXME need to change PCM supported by chipset */
+               else
+                       mime = MEDIA_FORMAT_AAC_HE;
+
+               break;
+       case MEDIACODEC_AAC_HE_PS:
+               break;
+       case MEDIACODEC_MP3:
+               mime = MEDIA_FORMAT_MP3;
+               break;
+       case MEDIACODEC_VORBIS:
+               break;
+       case MEDIACODEC_FLAC:
+               break;
+       case MEDIACODEC_WMAV1:
+               break;
+       case MEDIACODEC_WMAV2:
+               break;
+       case MEDIACODEC_WMAPRO:
+               break;
+       case MEDIACODEC_WMALSL:
+               break;
+       case MEDIACODEC_AMR_NB:
+               mime = MEDIA_FORMAT_AMR_NB;
+               break;
+       case MEDIACODEC_AMR_WB:
+               mime = MEDIA_FORMAT_AMR_WB;
+               break;
+       case MEDIACODEC_OPUS:
+               if (core->encoder)
+                       mime = MEDIA_FORMAT_OPUS;
+               else
+                       mime = MEDIA_FORMAT_PCM_S16LE;
+               break;
+       default:
+               LOGE("NOT SUPPORTED!!!! 0x%x ", core->codec_id);
+               break;
+       }
+       return mime;
+}
+
+mc_ret_e mc_gst_get_packet_pool(mc_handle_t *mc_handle, media_packet_pool_h *packet_pool)
+{
+       gint ret = MC_ERROR_NONE;
+       gint curr_size;
+       gint max_size, min_size;
+       media_format_mimetype_e mime_format = MEDIA_FORMAT_MAX;
+       media_format_h fmt_handle = NULL;
+       media_packet_pool_h pool = NULL;
+       mc_gst_core_t *core = NULL;
+
+       if (!mc_handle)
+               return MC_PARAM_ERROR;
+
+       core = (mc_gst_core_t *)mc_handle->core;
+
+       ret = media_packet_pool_create(&pool);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               LOGE("media_packet_pool_create failed");
+               return MC_ERROR;
+       }
+
+       if (media_format_create(&fmt_handle) != MEDIA_FORMAT_ERROR_NONE) {
+               LOGE("media format create failed");
+               media_packet_pool_destroy(pool);
+               return MC_ERROR;
+       }
+
+       mime_format = _mc_get_mime(core);
+
+       if (core->video) {
+               media_format_set_video_mime(fmt_handle, mime_format);
+               media_format_set_video_width(fmt_handle, mc_handle->info.video.width);
+               media_format_set_video_height(fmt_handle, mc_handle->info.video.height);
+
+               if (core->encoder)
+                       media_format_set_video_avg_bps(fmt_handle, mc_handle->info.video.bitrate);
+       } else {
+                       media_format_set_audio_mime(fmt_handle, mime_format);
+                       media_format_set_audio_channel(fmt_handle, mc_handle->info.audio.channel);
+                       media_format_set_audio_samplerate(fmt_handle, mc_handle->info.audio.samplerate);
+                       media_format_set_audio_bit(fmt_handle, mc_handle->info.audio.bit_depth);
+               if (core->encoder)
+                       media_format_set_audio_avg_bps(fmt_handle, mc_handle->info.audio.bitrate);
+       }
+
+       ret = media_packet_pool_set_media_format(pool, fmt_handle);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               media_packet_pool_destroy(pool);
+               LOGE("media_packet_pool_set_media_format failed");
+               return MC_ERROR;
+       }
+
+       /* will use default size temporarily */
+       max_size = core->encoder ? DEFAULT_ENC_POOL_SIZE : DEFAULT_DEC_POOL_SIZE;
+
+       min_size = max_size;
+       ret = media_packet_pool_set_size(pool, min_size, max_size);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               media_packet_pool_destroy(pool);
+               LOGE("media_packet_pool_set_size failed");
+               return MC_ERROR;
+       }
+
+       ret = media_packet_pool_allocate(pool);
+       if (ret != MEDIA_PACKET_ERROR_NONE) {
+               media_packet_pool_destroy(pool);
+               LOGE("media_packet_pool_allocate failed");
+               return MC_OUT_OF_MEMORY;
+       }
+       media_packet_pool_get_size(pool, &min_size, &max_size, &curr_size);
+       LOGD("curr_size is  %d min_size is %d and max_size is %d \n", curr_size, min_size, max_size);
+
+       *packet_pool = pool;
+       return MC_ERROR_NONE;
+}
+
+mc_ret_e mc_gst_set_property_array_int(GstElement *element, const gchar *property_name, gint *array, guint array_length)
+{
+       guint i = 0;
+       GValue value = G_VALUE_INIT;
+       GValue tmp = G_VALUE_INIT;
+
+       if (!element || !property_name || !array) {
+               LOGE("NULL param[%p,%p,%p]", element, property_name, array);
+               return MC_PARAM_ERROR;
+       }
+
+       g_value_init(&value, GST_TYPE_ARRAY);
+       g_value_init(&tmp, G_TYPE_INT);
+
+       LOGI("set element[%s], property[%s], array_length[%d]",
+               GST_ELEMENT_NAME(element), property_name, array_length);
+
+       gst_value_array_init(&value, array_length);
+
+       for (i = 0 ; i < array_length ; i++) {
+               LOGI("    array[%u] %d", i, array[i]);
+               g_value_set_int(&tmp, array[i]);
+               gst_value_array_append_value(&value, &tmp);
+       }
+
+       g_object_set_property(G_OBJECT(element), property_name, &value);
+
+       g_value_unset(&tmp);
+       g_value_unset(&value);
+
+       return MC_ERROR_NONE;
 }