gstcs/mm_util_gstcs.c

   1 /*
   2  * libmm-imgp-gstcs
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: YoungHun Kim <yh8004.kim@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21 #include <stdbool.h>
  22 #include "mm_util_gstcs_internal.h"
  23 #include <gst/check/gstcheck.h>
  24 #include <gst/video/video-format.h>
  25
  26 #define MM_UTIL_ROUND_UP_2(num) (((num)+1)&~1)
  27 #define MM_UTIL_ROUND_UP_4(num) (((num)+3)&~3)
  28 #define MM_UTIL_ROUND_UP_8(num) (((num)+7)&~7)
  29 #define MM_UTIL_ROUND_UP_16(num) (((num)+15)&~15)
  30
  31 #define SAFE_STRCPY(dst, src, n)        g_strlcpy(dst, src, n)
  32
  33
  34 static GstFlowReturn
  35 _mm_sink_sample(GstElement * appsink, gpointer user_data)
  36 {
  37         GstBuffer *_buf = NULL;
  38         GstSample *_sample = NULL;
  39         gstreamer_s * pGstreamer_s = (gstreamer_s*) user_data;
  40         _sample = gst_app_sink_pull_sample((GstAppSink*)appsink);
  41         if (_sample) {
  42                 _buf = gst_sample_get_buffer(_sample);
  43
  44                 pGstreamer_s->output_buffer = _buf;
  45
  46                 if (pGstreamer_s->output_buffer != NULL) {
  47                         GstMapInfo mapinfo = GST_MAP_INFO_INIT;
  48                         gst_buffer_map(pGstreamer_s->output_buffer, &mapinfo, GST_MAP_READ);
  49                         gstcs_debug("Create Output Buffer: GST_BUFFER_DATA: %p\t GST_BUFFER_SIZE: %d", mapinfo.data, mapinfo.size);
  50                         gst_buffer_unmap(pGstreamer_s->output_buffer, &mapinfo);
  51                 } else {
  52                         gstcs_error("ERROR -Input Prepare Buffer! Check createoutput buffer function");
  53                 }
  54         }
  55
  56         gst_buffer_ref(pGstreamer_s->output_buffer); /* when you want to avoid flushing */
  57         gst_sample_unref(_sample);
  58
  59         return GST_FLOW_OK;
  60 }
  61
  62 static gboolean
  63 _mm_on_src_message(GstBus * bus, GstMessage * message, gpointer user_data)
  64 {
  65         gstreamer_s * pGstreamer_s = (gstreamer_s*) user_data;
  66         switch (GST_MESSAGE_TYPE(message)) {
  67         case GST_MESSAGE_EOS: {
  68                 gstcs_debug("The source got dry");
  69                 gst_app_src_end_of_stream(GST_APP_SRC(pGstreamer_s->appsrc));
  70                 g_main_context_pop_thread_default(pGstreamer_s->context);
  71                 g_main_loop_quit(pGstreamer_s->loop);
  72                 break;
  73                 }
  74         case GST_MESSAGE_ERROR: {
  75                 GError *err = NULL;
  76                 gchar *dbg_info = NULL;
  77
  78                 gst_message_parse_error(message, &err, &dbg_info);
  79                 gstcs_error("ERROR from element %s: %s\n", GST_OBJECT_NAME(message->src), err->message);
  80                 gstcs_error("Debugging info: %s\n", (dbg_info) ? dbg_info : "none");
  81                 g_error_free(err);
  82                 g_free(dbg_info);
  83                 g_main_context_pop_thread_default(pGstreamer_s->context);
  84                 g_main_loop_quit(pGstreamer_s->loop);
  85                 gstcs_debug("Quit GST_CS\n");
  86                 break;
  87                 }
  88         default:
  89                 break;
  90         }
  91         return TRUE;
  92 }
  93
  94 static int _mm_get_byte_per_pixcel(mm_util_color_format_e color_format)
  95 {
  96         int byte_per_pixcel = 1;
  97
  98         switch (color_format) {
  99         case MM_UTIL_COLOR_YUV420:
 100         case MM_UTIL_COLOR_YUV422:
 101         case MM_UTIL_COLOR_I420:
 102         case MM_UTIL_COLOR_NV12:
 103         case MM_UTIL_COLOR_UYVY:
 104         case MM_UTIL_COLOR_YUYV:
 105                 byte_per_pixcel = 1;
 106                 break;
 107         case MM_UTIL_COLOR_RGB16:
 108                 byte_per_pixcel = 2;
 109                 break;
 110         case MM_UTIL_COLOR_RGB24:
 111                 byte_per_pixcel = 3;
 112                 break;
 113         case MM_UTIL_COLOR_ARGB:
 114         case MM_UTIL_COLOR_BGRA:
 115         case MM_UTIL_COLOR_RGBA:
 116         case MM_UTIL_COLOR_BGRX:
 117                 byte_per_pixcel = 4;
 118                 break;
 119         default:
 120                 gstcs_error("Not supported format");
 121                 break;
 122         }
 123
 124         gstcs_debug("color_format [%d] byte per pixcel [%d]", color_format, byte_per_pixcel);
 125
 126         return byte_per_pixcel;
 127 }
 128
 129 static int _mm_create_pipeline(gstreamer_s* pGstreamer_s)
 130 {
 131         int ret = GSTCS_ERROR_NONE;
 132         pGstreamer_s->pipeline = gst_pipeline_new("pipeline");
 133         if (!pGstreamer_s->pipeline) {
 134                 gstcs_error("pipeline could not be created. Exiting.\n");
 135                 ret = GSTCS_ERROR_INVALID_PARAMETER;
 136         }
 137         pGstreamer_s->appsrc = gst_element_factory_make("appsrc" , "appsrc");
 138         if (!pGstreamer_s->appsrc) {
 139                 gstcs_error("appsrc could not be created. Exiting.\n");
 140                 ret = GSTCS_ERROR_INVALID_PARAMETER;
 141         }
 142         pGstreamer_s->colorspace = gst_element_factory_make("videoconvert" , "convert");
 143         if (!pGstreamer_s->colorspace) {
 144                 gstcs_error("colorspace could not be created. Exiting.\n");
 145                 ret = GSTCS_ERROR_INVALID_PARAMETER;
 146         }
 147         pGstreamer_s->videoscale = gst_element_factory_make("videoscale", "scale");
 148         if (!pGstreamer_s->videoscale) {
 149                 gstcs_error("videoscale could not be created. Exiting.\n");
 150                 ret = GSTCS_ERROR_INVALID_PARAMETER;
 151         }
 152         pGstreamer_s->videoflip = gst_element_factory_make("videoflip", "flip");
 153         if (!pGstreamer_s->videoflip) {
 154                 gstcs_error("videoflip could not be created. Exiting.\n");
 155                 ret = GSTCS_ERROR_INVALID_PARAMETER;
 156         }
 157         pGstreamer_s->appsink = gst_element_factory_make("appsink" , "appsink");
 158         if (!pGstreamer_s->appsink) {
 159                 gstcs_error("appsink could not be created. Exiting.\n");
 160                 ret = GSTCS_ERROR_INVALID_PARAMETER;
 161         }
 162         return ret;
 163 }
 164
 165 static void _mm_destroy_notify(gpointer data)
 166 {
 167         unsigned char *_data = (unsigned char *)data;
 168         if (_data != NULL) {
 169                 free(_data);
 170                 _data = NULL;
 171         }
 172 }
 173
 174 static void
 175 _mm_check_caps_format(GstCaps* caps)
 176 {
 177         GstStructure *caps_structure = gst_caps_get_structure(caps, 0);
 178         const gchar* formatInfo = gst_structure_get_string(caps_structure, "format");
 179         gstcs_debug("[%d] caps: %s", GST_IS_CAPS(caps), formatInfo);
 180 }
 181
 182 static void
 183 _mm_link_pipeline(gstreamer_s* pGstreamer_s, int value)
 184 {
 185         gstcs_fenter();
 186
 187         /* set property */
 188         gst_bin_add_many(GST_BIN(pGstreamer_s->pipeline), pGstreamer_s->appsrc, pGstreamer_s->colorspace, pGstreamer_s->videoscale, pGstreamer_s->videoflip, pGstreamer_s->appsink, NULL);
 189         if (!gst_element_link_many(pGstreamer_s->appsrc, pGstreamer_s->colorspace, pGstreamer_s->videoscale, pGstreamer_s->videoflip, pGstreamer_s->appsink, NULL))
 190                 gstcs_error("Fail to link pipeline");
 191         else
 192                 gstcs_debug("Success to link pipeline");
 193
 194         g_object_set(G_OBJECT(pGstreamer_s->appsrc), "stream-type", 0, "format", GST_FORMAT_TIME, NULL);
 195         g_object_set(pGstreamer_s->appsrc, "num-buffers", 1, NULL);
 196         g_object_set(pGstreamer_s->appsrc, "is-live", TRUE, NULL); /* add because of gstreamer_s time issue */
 197
 198         g_object_set(pGstreamer_s->videoflip, "method", value, NULL); /* GST_VIDEO_FLIP_METHOD_IDENTITY (0): none- Identity (no rotation) (1): clockwise - Rotate clockwise 90 degrees (2): rotate-180 - Rotate 180 degrees (3): counterclockwise - Rotate counter-clockwise 90 degrees (4): horizontal-flip - Flip horizontally (5): vertical-flip - Flip vertically (6): upper-left-diagonal - Flip across upper left/lower right diagonal (7): upper-right-diagonal - Flip across upper right/lower left diagonal */
 199
 200         /*g_object_set(pGstreamer_s->appsink, "drop", TRUE, NULL);*/
 201         g_object_set(pGstreamer_s->appsink, "emit-signals", TRUE, "sync", FALSE, NULL);
 202
 203         gstcs_fleave();
 204 }
 205
 206 static GstVideoFormat _mm_get_video_format(mm_util_color_format_e color_format)
 207 {
 208         GstVideoFormat videoFormat = GST_VIDEO_FORMAT_UNKNOWN;
 209         int _bpp = 0;
 210         int _depth = 0;
 211         int _red_mask = 0;
 212         int _green_mask = 0;
 213         int _blue_mask = 0;
 214         int _alpha_mask = 0;
 215         int _endianness = 0;
 216
 217         switch (color_format) {
 218         case MM_UTIL_COLOR_YUV420:
 219                 videoFormat = GST_VIDEO_FORMAT_YV12;
 220                 break;
 221         case MM_UTIL_COLOR_YUV422:
 222                 videoFormat = GST_VIDEO_FORMAT_Y42B;
 223                 break;
 224         case MM_UTIL_COLOR_I420:
 225                 videoFormat = GST_VIDEO_FORMAT_I420;
 226                 break;
 227         case MM_UTIL_COLOR_NV12:
 228                 videoFormat = GST_VIDEO_FORMAT_NV12;
 229                 break;
 230         case MM_UTIL_COLOR_UYVY:
 231                 videoFormat = GST_VIDEO_FORMAT_UYVY;
 232                 break;
 233         case MM_UTIL_COLOR_YUYV:
 234                 videoFormat = GST_VIDEO_FORMAT_YVYU;
 235                 break;
 236         case MM_UTIL_COLOR_RGB16:
 237                 _bpp = 16; _depth = 16; _red_mask = 63488; _green_mask = 2016; _blue_mask = 31; _endianness = 1234; _alpha_mask = 0;
 238                 videoFormat = gst_video_format_from_masks(_depth, _bpp, _endianness, _red_mask, _green_mask, _blue_mask, _alpha_mask);
 239                 break;
 240         case MM_UTIL_COLOR_RGB24:
 241                 _bpp = 24; _depth = 24; _red_mask = 16711680; _green_mask = 65280; _blue_mask = 255; _endianness = 4321; _alpha_mask = 0;
 242                 videoFormat = gst_video_format_from_masks(_depth, _bpp, _endianness, _red_mask, _green_mask, _blue_mask, _alpha_mask);
 243                 break;
 244         case MM_UTIL_COLOR_ARGB:
 245                 _bpp = 32; _depth = 32; _red_mask = 16711680; _green_mask = 65280; _blue_mask = 255; _alpha_mask = -16777216; _endianness = 4321;
 246                 videoFormat = gst_video_format_from_masks(_depth, _bpp, _endianness, _red_mask, _green_mask, _blue_mask, _alpha_mask);
 247                 break;
 248         case MM_UTIL_COLOR_BGRA:
 249                 _bpp = 32; _depth = 32; _red_mask = 65280; _green_mask = 16711680; _blue_mask = -16777216; _alpha_mask = 255; _endianness = 4321;
 250                 videoFormat = gst_video_format_from_masks(_depth, _bpp, _endianness, _red_mask, _green_mask, _blue_mask, _alpha_mask);
 251                 break;
 252         case MM_UTIL_COLOR_RGBA:
 253                 _bpp = 32; _depth = 32; _red_mask = -16777216; _green_mask = 16711680; _blue_mask = 65280; _alpha_mask = 255; _endianness = 4321;
 254                 videoFormat = gst_video_format_from_masks(_depth, _bpp, _endianness, _red_mask, _green_mask, _blue_mask, _alpha_mask);
 255                 break;
 256         case MM_UTIL_COLOR_BGRX:
 257                 _bpp = 32; _depth = 24; _red_mask = 65280; _green_mask = 16711680; _blue_mask = -16777216; _endianness = 4321; _alpha_mask = 0;
 258                 videoFormat = gst_video_format_from_masks(_depth, _bpp, _endianness, _red_mask, _green_mask, _blue_mask, _alpha_mask);
 259                 break;
 260         default:
 261                 gstcs_error("Not supported format");
 262                 break;
 263         }
 264
 265         gstcs_debug("color_format [%d], Chosen video format [%s]", color_format, gst_video_format_to_string(videoFormat));
 266
 267         return videoFormat;
 268
 269 }
 270
 271 static GstCaps* _mm_get_capabilities(mm_util_color_format_e color_format, unsigned int width, unsigned int height)
 272 {
 273         GstCaps *caps = NULL;
 274         GstVideoFormat videoFormat = GST_VIDEO_FORMAT_UNKNOWN;
 275
 276         videoFormat = _mm_get_video_format(color_format);
 277
 278         caps = gst_caps_new_simple("video/x-raw",
 279                         "format", G_TYPE_STRING, gst_video_format_to_string(videoFormat),
 280                         "framerate", GST_TYPE_FRACTION, 25, 1,
 281                         "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
 282                         "width", G_TYPE_INT, width,
 283                         "height", G_TYPE_INT, height,
 284                         "framerate", GST_TYPE_FRACTION, 1, 1,
 285                         NULL);
 286
 287         if (caps)
 288                 _mm_check_caps_format(caps);
 289         else
 290                 gstcs_error("caps is NULL");
 291
 292         return caps;
 293 }
 294
 295 static void _mm_get_round_up_width_height(mm_util_color_format_e color_format, unsigned int width, unsigned int height, unsigned int *stride, unsigned int *elevation)
 296 {
 297         switch (color_format) {
 298         case MM_UTIL_COLOR_YUV420:
 299         case MM_UTIL_COLOR_YUV422:
 300         case MM_UTIL_COLOR_I420:
 301         case MM_UTIL_COLOR_NV12:
 302         case MM_UTIL_COLOR_UYVY:
 303         case MM_UTIL_COLOR_YUYV:
 304                 *stride = width;
 305                 *elevation = height;
 306                 break;
 307         case MM_UTIL_COLOR_RGB16:
 308         case MM_UTIL_COLOR_RGB24:
 309                 *stride = MM_UTIL_ROUND_UP_4(width);
 310                 *elevation = MM_UTIL_ROUND_UP_2(height);
 311                 break;
 312         case MM_UTIL_COLOR_ARGB:
 313         case MM_UTIL_COLOR_BGRA:
 314         case MM_UTIL_COLOR_RGBA:
 315         case MM_UTIL_COLOR_BGRX:
 316                 *stride = width;
 317                 *elevation = MM_UTIL_ROUND_UP_2(height);
 318                 break;
 319         default:
 320                 gstcs_error("Not supported format");
 321                 break;
 322         }
 323
 324         gstcs_debug("color_format[%d] width[%u] height[%u] stride[%u], elevation[%u]", color_format, width, height, *stride, *elevation);
 325 }
 326
 327 static size_t _mm_setup_image_size(mm_util_color_format_e color_format, unsigned int width, unsigned int height)
 328 {
 329         size_t size = 0;
 330
 331         gstcs_debug("color_format [%d] width [%u] height [%u]", color_format, width, height);
 332
 333         switch (color_format) {
 334         case MM_UTIL_COLOR_YUV420:
 335                 size = (MM_UTIL_ROUND_UP_4(width) * MM_UTIL_ROUND_UP_2(height) + MM_UTIL_ROUND_UP_8(width) * MM_UTIL_ROUND_UP_2(height) / 2); /* width * height *1; */
 336                 break;
 337         case MM_UTIL_COLOR_YUV422:
 338                 size = (MM_UTIL_ROUND_UP_4(width) * height + MM_UTIL_ROUND_UP_8(width) * height); /*width * height *2; */
 339                 break;
 340         case MM_UTIL_COLOR_I420:
 341                 size = (MM_UTIL_ROUND_UP_4(width) * MM_UTIL_ROUND_UP_2(height) + MM_UTIL_ROUND_UP_8(width) * MM_UTIL_ROUND_UP_2(height) /2); /*width * height *1.5; */
 342                 break;
 343         case MM_UTIL_COLOR_NV12:
 344                 size = (MM_UTIL_ROUND_UP_4(width) * MM_UTIL_ROUND_UP_2(height) * 1.5); /* width * height *1.5; */
 345                 break;
 346         case MM_UTIL_COLOR_UYVY:
 347                 size = (MM_UTIL_ROUND_UP_2(width) * 2 * height); /* width * height *2; */
 348                 break;
 349         case MM_UTIL_COLOR_YUYV:
 350                 size = (MM_UTIL_ROUND_UP_2(width) * 2 * height); /* width * height *2; */
 351                 break;
 352         case MM_UTIL_COLOR_RGB16:
 353                 size = (MM_UTIL_ROUND_UP_4(width) * 2 * height); /* width * height *2; */
 354                 break;
 355         case MM_UTIL_COLOR_RGB24:
 356                 size = (MM_UTIL_ROUND_UP_4(width) * 3 * height); /* width * height *3; */
 357                 break;
 358         case MM_UTIL_COLOR_ARGB:
 359         case MM_UTIL_COLOR_BGRA:
 360         case MM_UTIL_COLOR_RGBA:
 361         case MM_UTIL_COLOR_BGRX:
 362                 size = width * height *4;
 363                 break;
 364         default:
 365                 gstcs_error("Not supported format");
 366                 break;
 367         }
 368
 369
 370         gstcs_debug("Image size [%u]", size);
 371
 372         return size;
 373 }
 374
 375 static int _mm_push_buffer_into_pipeline(imgp_info_s* pImgp_info, unsigned char *src, gstreamer_s * pGstreamer_s)
 376 {
 377         int ret = GSTCS_ERROR_NONE;
 378         size_t data_size = 0;
 379         GstBuffer* gst_buf = NULL;
 380
 381         gstcs_fenter();
 382
 383         gstcs_retvm_if(pGstreamer_s->pipeline == NULL, GSTCS_ERROR_INVALID_PARAMETER, "Invalid pipeline");
 384
 385         data_size = _mm_setup_image_size(pImgp_info->src_format, pImgp_info->src_width, pImgp_info->src_height);
 386         gst_buf = gst_buffer_new_wrapped_full(GST_MEMORY_FLAG_READONLY, src, data_size, 0, data_size, NULL, NULL);
 387
 388         gstcs_retvm_if(gst_buf == NULL, GSTCS_ERROR_INVALID_OPERATION, "buffer is NULL");
 389
 390         gst_app_src_push_buffer(GST_APP_SRC(pGstreamer_s->appsrc), gst_buf); /* push buffer to pipeline */
 391
 392         gstcs_fleave();
 393
 394         return ret;
 395 }
 396
 397 static int _mm_push_buffer_into_pipeline_new(unsigned char *src, gstreamer_s * pGstreamer_s, mm_util_color_format_e color_format, unsigned int width, unsigned int height, unsigned int stride, unsigned int elevation)
 398 {
 399         int ret = GSTCS_ERROR_NONE;
 400         GstBuffer *gst_buf = NULL;
 401         size_t src_size = 0;
 402         unsigned char *data = NULL;
 403
 404         gstcs_fenter();
 405
 406         gstcs_retvm_if(pGstreamer_s->pipeline == NULL, GSTCS_ERROR_INVALID_PARAMETER, "Invalid pipeline");
 407         gstcs_retvm_if((width == 0 || height == 0), GSTCS_ERROR_INVALID_PARAMETER, "Invalid width(%u) and height(%u)", width, height);
 408
 409         src_size = _mm_setup_image_size(color_format, stride, elevation);
 410
 411         int byte_per_pixcel = _mm_get_byte_per_pixcel(color_format);
 412         unsigned int src_row = width * byte_per_pixcel;
 413         unsigned int stride_row = stride * byte_per_pixcel;
 414         unsigned int i = 0, y = 0;
 415
 416         data = (unsigned char *) malloc(src_size);
 417         gstcs_retvm_if(data == NULL, GSTCS_ERROR_OUT_OF_MEMORY, "data is NULL");
 418
 419         for (y = 0; y < height; y++) {
 420                 guint8 *pLine = (guint8 *) &(src[src_row * y]);
 421                 for (i = 0; i < src_row; i++)
 422                         data[y * stride_row + i] = pLine[i];
 423                 guint8 stride_row_color = pLine[i - 1];
 424                 for (i = src_row; i < stride_row; i++)
 425                         data[y * stride_row + i] = stride_row_color;
 426         }
 427         for (y = height; y < elevation; y++) {
 428                 for (i = 0; i < stride_row; i++)
 429                         data[y * stride_row + i] = data[(y - 1) * stride_row + i];
 430         }
 431         gst_buf = gst_buffer_new_wrapped_full(GST_MEMORY_FLAG_READONLY, data, src_size, 0, src_size, data, _mm_destroy_notify);
 432
 433         if (gst_buf == NULL) {
 434                 gstcs_error("buffer is NULL\n");
 435                 GSTCS_FREE(data);
 436                 return GSTCS_ERROR_INVALID_PARAMETER;
 437         }
 438
 439         gst_app_src_push_buffer(GST_APP_SRC(pGstreamer_s->appsrc), gst_buf); /* push buffer to pipeline */
 440
 441         gstcs_fleave();
 442
 443         return ret;
 444 }
 445
 446 static int _mm_imgp_gstcs_processing(gstreamer_s* pGstreamer_s, unsigned char *src, unsigned char **dst, imgp_info_s* pImgp_info)
 447 {
 448         GstBus *bus = NULL;
 449         GstStateChangeReturn ret_state;
 450         int ret = GSTCS_ERROR_NONE;
 451         GstCaps *src_caps = NULL;
 452         GstCaps *dst_caps = NULL;
 453         unsigned int src_stride = 0;
 454         unsigned int src_elevation = 0;
 455
 456         gstcs_fenter();
 457
 458         /*create pipeline*/
 459         ret = _mm_create_pipeline(pGstreamer_s);
 460         if (ret != GSTCS_ERROR_NONE)
 461                 gstcs_error("ERROR - mm_create_pipeline ");
 462
 463         /* Make appsink emit the "new-preroll" and "new-sample" signals. This option is by default disabled because signal emission is expensive and unneeded when the application prefers to operate in pull mode. */
 464         gst_app_sink_set_emit_signals((GstAppSink*)pGstreamer_s->appsink, TRUE);
 465
 466         bus = gst_pipeline_get_bus(GST_PIPELINE(pGstreamer_s->pipeline));
 467         gst_bus_add_watch(bus, (GstBusFunc) _mm_on_src_message, pGstreamer_s);
 468         gst_object_unref(bus);
 469
 470         _mm_get_round_up_width_height(pImgp_info->src_format, pImgp_info->src_width, pImgp_info->src_height, &src_stride, &src_elevation);
 471         _mm_get_round_up_width_height(pImgp_info->dst_format, pImgp_info->dst_width, pImgp_info->dst_height, &pImgp_info->output_stride, &pImgp_info->output_elevation);
 472
 473         src_caps = _mm_get_capabilities(pImgp_info->src_format, src_stride, src_elevation);
 474         dst_caps = _mm_get_capabilities(pImgp_info->dst_format, pImgp_info->output_stride, pImgp_info->output_elevation);
 475
 476         gst_app_src_set_caps(GST_APP_SRC(pGstreamer_s->appsrc), src_caps);
 477         gst_app_sink_set_caps(GST_APP_SINK(pGstreamer_s->appsink), dst_caps);
 478
 479         if ((pImgp_info->src_width != src_stride) || (pImgp_info->src_height != src_elevation)) {
 480                 ret = _mm_push_buffer_into_pipeline_new(src, pGstreamer_s, pImgp_info->src_format, pImgp_info->src_width, pImgp_info->src_height, src_stride, src_elevation);
 481         } else {
 482                 ret = _mm_push_buffer_into_pipeline(pImgp_info, src, pGstreamer_s);
 483         }
 484
 485         if (ret != GSTCS_ERROR_NONE) {
 486                 gstcs_error("ERROR - mm_push_buffer_into_pipeline ");
 487                 if (src_caps)
 488                         gst_caps_unref(src_caps);
 489                 if (dst_caps)
 490                         gst_caps_unref(dst_caps);
 491                 gst_object_unref(pGstreamer_s->pipeline);
 492                 return ret;
 493         }
 494
 495         /*link pipeline*/
 496         _mm_link_pipeline(pGstreamer_s, pImgp_info->angle);
 497
 498         /* Conecting to the new-sample signal emited by the appsink*/
 499         gstcs_debug("Start G_CALLBACK(_mm_sink_sample)");
 500         g_signal_connect(pGstreamer_s->appsink, "new-sample", G_CALLBACK(_mm_sink_sample), pGstreamer_s);
 501         gstcs_debug("End G_CALLBACK(_mm_sink_sample)");
 502
 503         /* GST_STATE_PLAYING*/
 504         gstcs_debug("Start GST_STATE_PLAYING");
 505         ret_state = gst_element_set_state(pGstreamer_s->pipeline, GST_STATE_PLAYING);
 506         gstcs_debug("End GST_STATE_PLAYING ret_state: %d", ret_state);
 507
 508         /*g_main_loop_run*/
 509         gstcs_debug("g_main_loop_run");
 510         g_main_loop_run(pGstreamer_s->loop);
 511
 512         gstcs_debug("Sucess GST_STATE_CHANGE");
 513
 514         /*GST_STATE_NULL*/
 515         gst_element_set_state(pGstreamer_s->pipeline, GST_STATE_NULL);
 516         gstcs_debug("End GST_STATE_NULL");
 517
 518         gstcs_debug("###pGstreamer_s->output_buffer### : %p", pGstreamer_s->output_buffer);
 519
 520         ret_state = gst_element_get_state(pGstreamer_s->pipeline, NULL, NULL, 1*GST_SECOND);
 521
 522         if (ret_state == GST_STATE_CHANGE_SUCCESS)
 523                 gstcs_debug("GST_STATE_NULL ret_state = %d (GST_STATE_CHANGE_SUCCESS)\n", ret_state);
 524         else if (ret_state == GST_STATE_CHANGE_ASYNC)
 525                 gstcs_debug("GST_STATE_NULL ret_state = %d (GST_STATE_CHANGE_ASYNC)\n", ret_state);
 526
 527         gstcs_debug("Success gst_element_get_state\n");
 528
 529         if (src_caps)
 530                 gst_caps_unref(src_caps);
 531         if (dst_caps)
 532                 gst_caps_unref(dst_caps);
 533
 534         if (ret_state == GST_STATE_CHANGE_FAILURE) {
 535                 gstcs_error("GST_STATE_CHANGE_FAILURE");
 536         } else {
 537                 if (pGstreamer_s->output_buffer != NULL) {
 538                         GstMapInfo mapinfo = GST_MAP_INFO_INIT;
 539                         gst_buffer_map(pGstreamer_s->output_buffer, &mapinfo, GST_MAP_READ);
 540                         size_t buffer_size = mapinfo.size;
 541                         size_t calc_buffer_size = 0;
 542
 543                         calc_buffer_size = _mm_setup_image_size(pImgp_info->dst_format, pImgp_info->output_stride, pImgp_info->output_elevation);
 544
 545                         gstcs_debug("buffer size[%zu], calc[%zu]", buffer_size, calc_buffer_size);
 546                         if (buffer_size != calc_buffer_size) {
 547                                 gstcs_debug("Buffer size is different \n");
 548                                 gstcs_debug("unref output buffer");
 549                                 gst_buffer_unref(pGstreamer_s->output_buffer);
 550                                 gst_object_unref(pGstreamer_s->pipeline);
 551                                 pGstreamer_s->output_buffer = NULL;
 552                                 return GSTCS_ERROR_INVALID_OPERATION;
 553                         }
 554                         gstcs_debug("pGstreamer_s->output_buffer: %p\n", pGstreamer_s->output_buffer);
 555                         *dst = calloc(1, buffer_size);
 556                         if (*dst == NULL) {
 557                                 gstcs_error("ERROR - calloc ");
 558                                 gst_buffer_unref(pGstreamer_s->output_buffer);
 559                                 gst_object_unref(pGstreamer_s->pipeline);
 560                                 pGstreamer_s->output_buffer = NULL;
 561                                 return GSTCS_ERROR_INVALID_OPERATION;
 562                         }
 563
 564                         memcpy(*dst, mapinfo.data, buffer_size);
 565                         pImgp_info->buffer_size = buffer_size;
 566                         gst_buffer_unmap(pGstreamer_s->output_buffer, &mapinfo);
 567                 } else {
 568                         gstcs_debug("pGstreamer_s->output_buffer is NULL");
 569                 }
 570         }
 571         gstcs_debug("unref output buffer");
 572         gst_buffer_unref(pGstreamer_s->output_buffer);
 573         gst_object_unref(pGstreamer_s->pipeline);
 574         pGstreamer_s->output_buffer = NULL;
 575
 576         gstcs_debug("dst: %p", *dst);
 577         gstcs_fleave();
 578
 579         return ret;
 580 }
 581
 582 static int _gstcs_create_default_thread(gstreamer_s *gstreamer)
 583 {
 584         gstcs_retvm_if(gstreamer == NULL, GSTCS_ERROR_INVALID_PARAMETER, "Invalid gstreamer");
 585
 586         gstreamer->context = g_main_context_new();
 587         gstcs_retvm_if(gstreamer->context == NULL, GSTCS_ERROR_INVALID_OPERATION, "ERROR - g_main_context_new");
 588
 589         gstreamer->loop = g_main_loop_new(gstreamer->context, FALSE);
 590         if (gstreamer->loop == NULL) {
 591                 gstcs_error("ERROR - g_main_loop_new ");
 592                 g_main_context_unref(gstreamer->context);
 593                 return GSTCS_ERROR_INVALID_OPERATION;
 594         }
 595
 596         g_main_context_push_thread_default(gstreamer->context);
 597
 598         return GSTCS_ERROR_NONE;
 599 }
 600
 601 static int _gstcs_destroy_default_thread(gstreamer_s *gstreamer)
 602 {
 603         gstcs_retvm_if(gstreamer == NULL, GSTCS_ERROR_INVALID_PARAMETER, "Invalid gstreamer");
 604
 605         if (gstreamer->loop != NULL)
 606                 g_main_loop_unref(gstreamer->loop);
 607
 608         if (gstreamer->context != NULL)
 609                 g_main_context_unref(gstreamer->context);
 610
 611         return GSTCS_ERROR_NONE;
 612 }
 613
 614 static int _gstcs_init(gstreamer_s** gstreamer)
 615 {
 616         static const int max_argc = 50;
 617         gint argc = 0;
 618         gchar** argv = NULL;
 619         int i = 0;
 620         int ret = GSTCS_ERROR_NONE;
 621
 622         argv = malloc(sizeof(gchar*) * max_argc);
 623
 624         gstcs_retvm_if(argv == NULL, GSTCS_ERROR_OUT_OF_MEMORY, "argv is not allocated");
 625
 626         memset(argv, 0, sizeof(gchar*) * max_argc);
 627
 628         argv[argc] = g_strdup("mmutil_gstcs");
 629         if (argv[argc] == NULL) {
 630                 gstcs_error("argv[%d] is not allocated", argc);
 631                 ret = GSTCS_ERROR_OUT_OF_MEMORY;
 632         }
 633         argc++;
 634         /* check disable registry scan */
 635         argv[argc] = g_strdup("--gst-disable-registry-update");
 636         if (argv[argc] == NULL) {
 637                 gstcs_error("argv[%d] is not allocated", argc);
 638                 ret = GSTCS_ERROR_OUT_OF_MEMORY;
 639         }
 640         argc++;
 641         if (ret != GSTCS_ERROR_NONE) {
 642                 for (i = 0; i < argc; i++)
 643                         GSTCS_FREE(argv[i]);
 644
 645                 GSTCS_FREE(argv);
 646                 return ret;
 647         }
 648
 649         gst_init(&argc, &argv);
 650
 651         *gstreamer = g_new0(gstreamer_s, 1);
 652         if (*gstreamer == NULL) {
 653                 gstcs_error("gstreamer structure is not allocated");
 654                 ret = GSTCS_ERROR_OUT_OF_MEMORY;
 655         }
 656
 657         for (i = 0; i < argc; i++)
 658                 GSTCS_FREE(argv[i]);
 659
 660         GSTCS_FREE(argv);
 661         return ret;
 662 }
 663
 664 static int _mm_imgp_gstcs(imgp_info_s* pImgp_info, unsigned char *src, unsigned char **dst)
 665 {
 666         gstreamer_s* pGstreamer_s;
 667         int ret = GSTCS_ERROR_NONE;
 668
 669         /* Print debug message for inout structure */
 670         gstcs_debug("src_width [%d] src_height [%d] src_format [%d] dst_width [%d] dst_height [%d] dst_format [%d] rotation [%d]",
 671         pImgp_info->src_width, pImgp_info->src_height, pImgp_info->src_format, pImgp_info->dst_width, pImgp_info->dst_height, pImgp_info->dst_format, pImgp_info->angle);
 672
 673         /* Initialize gstreamer */
 674         ret = _gstcs_init(&pGstreamer_s);
 675         if (ret != GSTCS_ERROR_NONE) {
 676                 gstcs_error("Error: _gstcs_new is failed");
 677                 return ret;
 678         }
 679
 680         /* Create default thread for async behavior */
 681         ret = _gstcs_create_default_thread(pGstreamer_s);
 682         if (ret != GSTCS_ERROR_NONE) {
 683                 gstcs_error("Error: _gstcs_create_default_thread is failed");
 684                 GSTCS_FREE(pGstreamer_s);
 685                 return ret;
 686         }
 687
 688         /* Do gstreamer processing */
 689         ret = _mm_imgp_gstcs_processing(pGstreamer_s, src, dst, pImgp_info); /* input: buffer pointer for input image , input image format, input image width, input image height, output: buffer porinter for output image */
 690
 691         if (ret == GSTCS_ERROR_NONE)
 692                 gstcs_debug("End _mm_imgp_gstcs_processing [dst: %p]", *dst);
 693         else if (ret != GSTCS_ERROR_NONE)
 694                 gstcs_error("ERROR - _mm_imgp_gstcs_processing");
 695
 696         /* Free resouces */
 697         ret = _gstcs_destroy_default_thread(pGstreamer_s);
 698         if (ret != GSTCS_ERROR_NONE)
 699                 gstcs_error("Error: _gstcs_create_default_thread is failed");
 700
 701         GSTCS_FREE(pGstreamer_s);
 702
 703         return ret;
 704 }
 705
 706 static bool _mm_imgp_check_format(mm_util_color_format_e color_format)
 707 {
 708         if ((color_format >= MM_UTIL_COLOR_YUV420) && (color_format <= MM_UTIL_COLOR_BGRX))
 709                 return TRUE;
 710
 711         return FALSE;
 712 }
 713
 714 int mm_imgp(imgp_info_s* pImgp_info, unsigned char *src, unsigned char **dst, imgp_type_e _imgp_type)
 715 {
 716         gstcs_retvm_if(pImgp_info == NULL, GSTCS_ERROR_INVALID_PARAMETER, "Invalid info");
 717         gstcs_retvm_if(src == NULL, GSTCS_ERROR_INVALID_PARAMETER, "Invalid src");
 718         gstcs_retvm_if(dst == NULL, GSTCS_ERROR_INVALID_PARAMETER, "Invalid dst");
 719         gstcs_retvm_if((_imgp_type < 0 || _imgp_type > IMGP_MAX), GSTCS_ERROR_INVALID_PARAMETER, "Invalid _imgp_type[%d]", _imgp_type);
 720         gstcs_retvm_if((_mm_imgp_check_format(pImgp_info->src_format) == FALSE), GSTCS_ERROR_NOT_SUPPORTED_FORMAT, "not supported src_format [%d]", pImgp_info->src_format);
 721         gstcs_retvm_if((_mm_imgp_check_format(pImgp_info->dst_format) == FALSE), GSTCS_ERROR_NOT_SUPPORTED_FORMAT, "not supported dst_format [%d]", pImgp_info->dst_format);
 722
 723         gstcs_debug("[src %p] [dst %p]", src, dst);
 724
 725         return _mm_imgp_gstcs(pImgp_info, src, dst);
 726 }