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