Release version 0.10.16
[platform/core/multimedia/libmm-camcorder.git] / src / mm_camcorder_gstcommon.c
index 45bb18b..5d4e253 100644 (file)
@@ -35,6 +35,7 @@
 
 #include "mm_camcorder_internal.h"
 #include "mm_camcorder_gstcommon.h"
+#include "mm_camcorder_client.h"
 
 /*-----------------------------------------------------------------------
 |    GLOBAL VARIABLE DEFINITIONS for internal                          |
@@ -177,9 +178,12 @@ int _mmcamcorder_create_preview_elements(MMHandleType handle)
        int capture_jpg_quality = 100;
        int video_stabilization = 0;
        int anti_shake = 0;
+       int display_surface_type = MM_DISPLAY_SURFACE_NULL;
        const char *videosrc_name = NULL;
        const char *videosink_name = NULL;
        char *err_name = NULL;
+       char *socket_path = NULL;
+       int socket_path_len;
 
        GList *element_list = NULL;
 
@@ -230,6 +234,8 @@ int _mmcamcorder_create_preview_elements(MMHandleType handle)
                                          MMCAM_CAMERA_HDR_CAPTURE, &sc->info_image->hdr_capture_mode,
                                          MMCAM_IMAGE_ENCODER, &codectype,
                                          MMCAM_IMAGE_ENCODER_QUALITY, &capture_jpg_quality,
+                                         MMCAM_DISPLAY_SHM_SOCKET_PATH, &socket_path, &socket_path_len,
+                                         MMCAM_DISPLAY_SURFACE, &display_surface_type,
                                          NULL);
        if (err != MM_ERROR_NONE) {
                _mmcam_dbg_warn("Get attrs fail. (%s:%x)", err_name, err);
@@ -296,26 +302,30 @@ int _mmcamcorder_create_preview_elements(MMHandleType handle)
 
        _MMCAMCORDER_ELEMENT_MAKE(sc, sc->element, _MMCAMCORDER_VIDEOSINK_QUE, "queue", "videosink_queue", element_list, err);
 
-       /* Add color converting element */
-       if (!strcmp(videosink_name, "evasimagesink") || !strcmp(videosink_name, "ximagesink")) {
-               _MMCAMCORDER_ELEMENT_MAKE(sc, sc->element, _MMCAMCORDER_VIDEOSINK_CLS, "videoconvert", "videosrc_convert", element_list, err);
-       }
+       _mmcam_dbg_log("videosink_name: %s", videosink_name);
 
-       _MMCAMCORDER_ELEMENT_MAKE(sc, sc->element, _MMCAMCORDER_VIDEOSINK_SINK, videosink_name, "videosink_sink", element_list, err);
+       if (display_surface_type == MM_DISPLAY_SURFACE_REMOTE) {
+               _MMCAMCORDER_ELEMENT_MAKE(sc, sc->element, _MMCAMCORDER_VIDEOSINK_SINK, videosink_name, "ipc_sink", element_list, err);
 
-       if (strcmp(videosink_name, "fakesink") != 0) {
-               if (_mmcamcorder_videosink_window_set(handle, sc->VideosinkElement) != MM_ERROR_NONE) {
-                       _mmcam_dbg_err("_mmcamcorder_videosink_window_set error");
-                       err = MM_ERROR_CAMCORDER_INVALID_ARGUMENT;
-                       goto pipeline_creation_error;
+               err = mm_camcorder_get_attributes(handle, &err_name,
+                                                 MMCAM_DISPLAY_SHM_SOCKET_PATH, &socket_path, &socket_path_len,
+                                                 NULL);
+               if (err != MM_ERROR_NONE) {
+                       _mmcam_dbg_warn("Get socket path failed 0x%x", err);
+                       SAFE_FREE(err_name);
+                       return err;
                }
+
+               g_object_set(G_OBJECT(sc->element[_MMCAMCORDER_VIDEOSINK_SINK].gst), "socket-path", socket_path, NULL);
+       } else {
+               _MMCAMCORDER_ELEMENT_MAKE(sc, sc->element, _MMCAMCORDER_VIDEOSINK_SINK, videosink_name, "videosink_sink", element_list, err);
        }
 
+       _mmcamcorder_conf_set_value_element_property(sc->element[_MMCAMCORDER_VIDEOSINK_SINK].gst, sc->VideosinkElement);
+
        /* Set caps by rotation */
        _mmcamcorder_set_videosrc_rotation(handle, camera_rotate);
 
-       _mmcamcorder_conf_set_value_element_property(sc->element[_MMCAMCORDER_VIDEOSINK_SINK].gst, sc->VideosinkElement);
-
        /* add elements to main pipeline */
        if (!_mmcamcorder_add_elements_to_bin(GST_BIN(sc->element[_MMCAMCORDER_MAIN_PIPE].gst), element_list)) {
                _mmcam_dbg_err("element_list add error.");
@@ -346,7 +356,6 @@ pipeline_creation_error:
        _MMCAMCORDER_ELEMENT_REMOVE(sc->element, _MMCAMCORDER_VIDEOSRC_QUE);
        _MMCAMCORDER_ELEMENT_REMOVE(sc->element, _MMCAMCORDER_VIDEOSRC_DECODE);
        _MMCAMCORDER_ELEMENT_REMOVE(sc->element, _MMCAMCORDER_VIDEOSINK_QUE);
-       _MMCAMCORDER_ELEMENT_REMOVE(sc->element, _MMCAMCORDER_VIDEOSINK_CLS);
        _MMCAMCORDER_ELEMENT_REMOVE(sc->element, _MMCAMCORDER_VIDEOSINK_SINK);
 
        if (element_list) {
@@ -453,7 +462,7 @@ int _mmcamcorder_create_audiosrc_bin(MMHandleType handle)
        _MMCAMCORDER_ELEMENT_MAKE(sc, sc->encode_element, _MMCAMCORDER_AUDIOSRC_QUE, "queue", "audiosrc_queue", element_list, err);
        MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_AUDIOSRC_QUE].gst, "max-size-buffers", 0);
        MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_AUDIOSRC_QUE].gst, "max-size-bytes", 0);
-       MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_AUDIOSRC_QUE].gst, "max-size-time", (int64_t)0);
+       MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_AUDIOSRC_QUE].gst, "max-size-time", 0);
 
        if (a_enc != MM_AUDIO_CODEC_VORBIS) {
                _MMCAMCORDER_ELEMENT_MAKE(sc, sc->encode_element, _MMCAMCORDER_AUDIOSRC_VOL, "volume", "audiosrc_volume", element_list, err);
@@ -499,7 +508,7 @@ int _mmcamcorder_create_audiosrc_bin(MMHandleType handle)
        }
 
        if (caps) {
-               MMCAMCORDER_G_OBJECT_SET((sc->encode_element[_MMCAMCORDER_AUDIOSRC_FILT].gst), "caps", caps);
+               MMCAMCORDER_G_OBJECT_SET_POINTER((sc->encode_element[_MMCAMCORDER_AUDIOSRC_FILT].gst), "caps", caps);
                gst_caps_unref(caps);
                caps = NULL;
        } else {
@@ -629,7 +638,7 @@ int _mmcamcorder_create_encodesink_bin(MMHandleType handle, MMCamcorderEncodebin
                /* set appsrc as live source */
                MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_SRC].gst, "is-live", TRUE);
                MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_SRC].gst, "format", 3); /* GST_FORMAT_TIME */
-               MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_SRC].gst, "max-bytes", (int64_t)0); /* unlimited */
+               MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_SRC].gst, "max-bytes", 0); /* unlimited */
 
                /* set capsfilter */
                if (sc->info_image->preview_format == MM_PIXEL_FORMAT_ENCODED_H264) {
@@ -667,7 +676,7 @@ int _mmcamcorder_create_encodesink_bin(MMHandleType handle, MMCamcorderEncodebin
                        free(caps_str);
                        caps_str = NULL;
 
-                       MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_FILT].gst, "caps", video_caps);
+                       MMCAMCORDER_G_OBJECT_SET_POINTER(sc->encode_element[_MMCAMCORDER_ENCSINK_FILT].gst, "caps", video_caps);
                        gst_caps_unref(video_caps);
                        video_caps = NULL;
                } else {
@@ -752,7 +761,7 @@ int _mmcamcorder_create_encodesink_bin(MMHandleType handle, MMCamcorderEncodebin
                if (gst_element_venc_name) {
                        _mmcam_dbg_log("video encoder name [%s]", gst_element_venc_name);
 
-                       MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "venc-name", gst_element_venc_name);
+                       MMCAMCORDER_G_OBJECT_SET_POINTER(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "venc-name", gst_element_venc_name);
                        _MMCAMCORDER_ENCODEBIN_ELMGET(sc, _MMCAMCORDER_ENCSINK_VENC, "video-encode", err);
                } else {
                        _mmcam_dbg_err("Fail to get video encoder name");
@@ -764,7 +773,7 @@ int _mmcamcorder_create_encodesink_bin(MMHandleType handle, MMCamcorderEncodebin
                if (auto_color_space) {
                        _mmcam_dbg_log("set video convert element [%s]", videoconvert_name);
 
-                       MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "vconv-name", videoconvert_name);
+                       MMCAMCORDER_G_OBJECT_SET_POINTER(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "vconv-name", videoconvert_name);
                        _MMCAMCORDER_ENCODEBIN_ELMGET(sc, _MMCAMCORDER_ENCSINK_VCONV, "video-convert", err);
 
                        /* set colorspace plugin property setting */
@@ -778,7 +787,7 @@ int _mmcamcorder_create_encodesink_bin(MMHandleType handle, MMCamcorderEncodebin
                                                           NULL);
 
                                        if (video_caps) {
-                                               MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "vcaps", video_caps);
+                                               MMCAMCORDER_G_OBJECT_SET_POINTER(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "vcaps", video_caps);
                                                MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_VCONV].gst, "dst-buffer-num", _MMCAMCORDER_CONVERT_OUTPUT_BUFFER_NUM);
 
                                                gst_caps_unref(video_caps);
@@ -819,7 +828,7 @@ int _mmcamcorder_create_encodesink_bin(MMHandleType handle, MMCamcorderEncodebin
 
                _mmcamcorder_conf_get_value_element_name(AudioencElement, &gst_element_aenc_name);
 
-               MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "aenc-name", gst_element_aenc_name);
+               MMCAMCORDER_G_OBJECT_SET_POINTER(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "aenc-name", gst_element_aenc_name);
                _MMCAMCORDER_ENCODEBIN_ELMGET(sc, _MMCAMCORDER_ENCSINK_AENC, "audio-encode", err);
 
                if (audio_enc == MM_AUDIO_CODEC_AMR && channel == 2) {
@@ -827,7 +836,7 @@ int _mmcamcorder_create_encodesink_bin(MMHandleType handle, MMCamcorderEncodebin
                                                   "channels", G_TYPE_INT, 1,
                                                   NULL);
                        MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "auto-audio-convert", TRUE);
-                       MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "acaps", audio_caps);
+                       MMCAMCORDER_G_OBJECT_SET_POINTER(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "acaps", audio_caps);
                        gst_caps_unref(audio_caps);
                        audio_caps = NULL;
                }
@@ -835,7 +844,7 @@ int _mmcamcorder_create_encodesink_bin(MMHandleType handle, MMCamcorderEncodebin
                if (audio_enc == MM_AUDIO_CODEC_OGG) {
                        audio_caps = gst_caps_new_empty_simple("audio/x-raw");
                        MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "auto-audio-convert", TRUE);
-                       MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "acaps", audio_caps);
+                       MMCAMCORDER_G_OBJECT_SET_POINTER(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "acaps", audio_caps);
                        gst_caps_unref(audio_caps);
                        audio_caps = NULL;
                        _mmcam_dbg_log("***** MM_AUDIO_CODEC_OGG : setting audio/x-raw-int ");
@@ -847,7 +856,7 @@ int _mmcamcorder_create_encodesink_bin(MMHandleType handle, MMCamcorderEncodebin
                                                &use_aenc_queue);
                if (use_aenc_queue) {
                        _MMCAMCORDER_ENCODEBIN_ELMGET(sc, _MMCAMCORDER_ENCSINK_AENC_QUE, "use-aenc-queue", err);
-                       MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_AENC_QUE].gst,"max-size-time", (int64_t)0);
+                       MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_AENC_QUE].gst,"max-size-time", 0);
                        MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_AENC_QUE].gst,"max-size-buffers", 0);
                }
        }
@@ -862,7 +871,7 @@ int _mmcamcorder_create_encodesink_bin(MMHandleType handle, MMCamcorderEncodebin
 
                _mmcamcorder_conf_get_value_element_name(ImageencElement, &gst_element_ienc_name);
 
-               MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "ienc-name", gst_element_ienc_name);
+               MMCAMCORDER_G_OBJECT_SET_POINTER(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "ienc-name", gst_element_ienc_name);
                _MMCAMCORDER_ENCODEBIN_ELMGET(sc, _MMCAMCORDER_ENCSINK_IENC, "image-encode", err);
        }
 
@@ -877,7 +886,7 @@ int _mmcamcorder_create_encodesink_bin(MMHandleType handle, MMCamcorderEncodebin
 
                _mmcamcorder_conf_get_value_element_name(MuxElement, &gst_element_mux_name);
 
-               MMCAMCORDER_G_OBJECT_SET(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "mux-name", gst_element_mux_name);
+               MMCAMCORDER_G_OBJECT_SET_POINTER(sc->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst, "mux-name", gst_element_mux_name);
                _MMCAMCORDER_ENCODEBIN_ELMGET(sc, _MMCAMCORDER_ENCSINK_MUX, "mux", err);
 
                _mmcamcorder_conf_set_value_element_property(sc->encode_element[_MMCAMCORDER_ENCSINK_MUX].gst, MuxElement);
@@ -907,7 +916,7 @@ int _mmcamcorder_create_encodesink_bin(MMHandleType handle, MMCamcorderEncodebin
                } else {
                        _mmcam_dbg_warn("video bitrate is too small[%d], so skip setting. Use DEFAULT value.", v_bitrate);
                }
-               /*MMCAMCORDER_G_OBJECT_SET ((sc->encode_element[_MMCAMCORDER_ENCSINK_VENC].gst),"hw-accel", v_hw);*/
+
                _mmcamcorder_conf_set_value_element_property(sc->encode_element[_MMCAMCORDER_ENCSINK_VENC].gst, VideoencElement);
        }
 
@@ -1227,7 +1236,7 @@ int _mmcamcorder_videosink_window_set(MMHandleType handle, type_element* Videosi
                   !strcmp(videosink_name, "evaspixmapsink")) {
                _mmcam_dbg_log("videosink : %s, handle : %p", videosink_name, overlay);
                if (overlay) {
-                       MMCAMCORDER_G_OBJECT_SET(vsink, "evas-object", overlay);
+                       MMCAMCORDER_G_OBJECT_SET_POINTER(vsink, "evas-object", overlay);
                        MMCAMCORDER_G_OBJECT_SET(vsink, "origin-size", !do_scaling);
                } else {
                        _mmcam_dbg_err("display handle(eavs object) is NULL");
@@ -1291,7 +1300,7 @@ int _mmcamcorder_videosink_window_set(MMHandleType handle, type_element* Videosi
                MMCAMCORDER_G_OBJECT_SET(vsink, "display-geometry-method", display_geometry_method);
                MMCAMCORDER_G_OBJECT_SET(vsink, "display-mode", display_mode);
                MMCAMCORDER_G_OBJECT_SET(vsink, "visible", visible);
-               MMCAMCORDER_G_OBJECT_SET(vsink, "zoom", (float)zoom_level);
+               MMCAMCORDER_G_OBJECT_SET(vsink, "zoom", zoom_level);
 
                if (display_geometry_method == MM_DISPLAY_METHOD_CUSTOM_ROI) {
                        g_object_set(vsink,
@@ -1466,6 +1475,7 @@ static GstPadProbeReturn __mmcamcorder_video_dataprobe_preview(GstPad *pad, GstP
                unsigned int fourcc = 0;
                MMCamcorderVideoStreamDataType stream;
                MMVideoBuffer *mm_buf = NULL;
+               const gchar *string_format = NULL;
 
                state = _mmcamcorder_get_state((MMHandleType)hcamcorder);
                if (state < MM_CAMCORDER_STATE_PREPARE) {
@@ -1485,9 +1495,17 @@ static GstPadProbeReturn __mmcamcorder_video_dataprobe_preview(GstPad *pad, GstP
                structure = gst_caps_get_structure( caps, 0 );
                gst_structure_get_int(structure, "width", &(stream.width));
                gst_structure_get_int(structure, "height", &(stream.height));
-               fourcc = _mmcamcorder_convert_fourcc_string_to_value(gst_structure_get_string(structure, "format"));
+               string_format = gst_structure_get_string(structure, "format");
+               if (string_format == NULL) {
+                       gst_caps_unref(caps);
+                       caps = NULL;
+                       _mmcam_dbg_warn("get string error!!");
+                       return GST_PAD_PROBE_OK;
+               }
+
+               fourcc = _mmcamcorder_convert_fourcc_string_to_value(string_format);
                stream.format = _mmcamcorder_get_pixtype(fourcc);
-               gst_caps_unref( caps );
+               gst_caps_unref(caps);
                caps = NULL;
 
                /*
@@ -1668,7 +1686,6 @@ static GstPadProbeReturn __mmcamcorder_video_dataprobe_push_buffer_to_record(Gst
            sc->encode_element[_MMCAMCORDER_ENCSINK_SRC].gst) {
                int ret = 0;
                GstClock *clock = NULL;
-               GstPad *capsfilter_pad = NULL;
 
                /*
                _mmcam_dbg_log("GST_BUFFER_FLAG_DELTA_UNIT is set : %d",
@@ -1699,6 +1716,14 @@ static GstPadProbeReturn __mmcamcorder_video_dataprobe_push_buffer_to_record(Gst
                        }
                } else {
                        if(sc->info_video->is_firstframe) {
+                               /* for image capture with encodebin(ex:emulator) */
+                               if (sc->bencbin_capture && sc->info_image->capturing) {
+                                       pthread_mutex_lock(&(hcamcorder->task_thread_lock));
+                                       _mmcam_dbg_log("send signal for sound play");
+                                       hcamcorder->task_thread_state = _MMCAMCORDER_TASK_THREAD_STATE_SOUND_SOLO_PLAY_START;
+                                       pthread_cond_signal(&(hcamcorder->task_thread_cond));
+                                       pthread_mutex_unlock(&(hcamcorder->task_thread_lock));
+                               }
                                sc->info_video->is_firstframe = FALSE;
                                sc->info_video->base_video_ts = GST_BUFFER_PTS(buffer);
                        }
@@ -1706,7 +1731,7 @@ static GstPadProbeReturn __mmcamcorder_video_dataprobe_push_buffer_to_record(Gst
                GST_BUFFER_PTS(buffer) = GST_BUFFER_PTS(buffer) - sc->info_video->base_video_ts;
                GST_BUFFER_DTS(buffer) = GST_BUFFER_PTS(buffer);
 
-               _mmcam_dbg_log("buffer %p, timestamp %"GST_TIME_FORMAT, buffer, GST_TIME_ARGS(GST_BUFFER_PTS(buffer)));
+               /*_mmcam_dbg_log("buffer %p, timestamp %"GST_TIME_FORMAT, buffer, GST_TIME_ARGS(GST_BUFFER_PTS(buffer)));*/
 
                if (0) {
                        GstCaps *caps = gst_pad_get_current_caps(pad);
@@ -1989,6 +2014,11 @@ bool _mmcamcorder_set_display_rotation(MMHandleType handle, int display_rotate)
        if (sc->element[_MMCAMCORDER_VIDEOSINK_SINK].gst) {
                /* Get videosink name */
                _mmcamcorder_conf_get_value_element_name(sc->VideosinkElement, &videosink_name);
+               if (videosink_name == NULL) {
+                       _mmcam_dbg_err("Please check videosink element in configuration file");
+                       return FALSE;
+               }
+
                if (!strcmp(videosink_name, "xvimagesink") || !strcmp(videosink_name, "evasimagesink") ||
                    !strcmp(videosink_name, "evaspixmapsink")) {
                        MMCAMCORDER_G_OBJECT_SET(sc->element[_MMCAMCORDER_VIDEOSINK_SINK].gst,
@@ -2023,6 +2053,11 @@ bool _mmcamcorder_set_display_flip(MMHandleType handle, int display_flip)
        if (sc->element[_MMCAMCORDER_VIDEOSINK_SINK].gst) {
                /* Get videosink name */
                _mmcamcorder_conf_get_value_element_name(sc->VideosinkElement, &videosink_name);
+               if (videosink_name == NULL) {
+                       _mmcam_dbg_err("Please check videosink element in configuration file");
+                       return FALSE;
+               }
+
                if (!strcmp(videosink_name, "xvimagesink") || !strcmp(videosink_name, "evasimagesink") ||
                    !strcmp(videosink_name, "evaspixmapsink")) {
                        MMCAMCORDER_G_OBJECT_SET(sc->element[_MMCAMCORDER_VIDEOSINK_SINK].gst,
@@ -2235,7 +2270,7 @@ bool _mmcamcorder_set_videosrc_caps(MMHandleType handle, unsigned int fourcc, in
 
                _mmcam_dbg_log("vidoesrc new caps set. %"GST_PTR_FORMAT, caps);
 
-               MMCAMCORDER_G_OBJECT_SET(sc->element[_MMCAMCORDER_VIDEOSRC_FILT].gst, "caps", caps);
+               MMCAMCORDER_G_OBJECT_SET_POINTER(sc->element[_MMCAMCORDER_VIDEOSRC_FILT].gst, "caps", caps);
                gst_caps_unref(caps);
                caps = NULL;
        }