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 "mm_util_gstcs_internal.h"
  22 #include <gst/check/gstcheck.h>
  23 #include <gst/video/video-format.h>
  24
  25 #define MM_UTIL_ROUND_UP_2(num) (((num)+1)&~1)
  26 #define MM_UTIL_ROUND_UP_4(num) (((num)+3)&~3)
  27 #define MM_UTIL_ROUND_UP_8(num) (((num)+7)&~7)
  28 #define MM_UTIL_ROUND_UP_16(num) (((num)+15)&~15)
  29
  30 #define SAFE_STRCPY(dst, src, n)        g_strlcpy(dst, src, n)
  31
  32
  33 static GstFlowReturn
  34 _mm_sink_sample(GstElement * appsink, gpointer user_data)
  35 {
  36         GstBuffer *_buf = NULL;
  37         GstSample *_sample = NULL;
  38         gstreamer_s * pGstreamer_s = (gstreamer_s*) user_data;
  39         _sample = gst_app_sink_pull_sample((GstAppSink*)appsink);
  40         if (_sample) {
  41                 _buf = gst_sample_get_buffer(_sample);
  42
  43                 pGstreamer_s->output_buffer = _buf;
  44
  45                 if (pGstreamer_s->output_buffer != NULL) {
  46                         GstMapInfo mapinfo = GST_MAP_INFO_INIT;
  47                         gst_buffer_map(pGstreamer_s->output_buffer, &mapinfo, GST_MAP_READ);
  48                         gstcs_debug("Create Output Buffer: GST_BUFFER_DATA: %p\t GST_BUFFER_SIZE: %d", mapinfo.data, mapinfo.size);
  49                         gst_buffer_unmap(pGstreamer_s->output_buffer, &mapinfo);
  50                 } else {
  51                         gstcs_error("ERROR -Input Prepare Buffer! Check createoutput buffer function");
  52                 }
  53         }
  54
  55         gst_buffer_ref(pGstreamer_s->output_buffer); /* when you want to avoid flushing */
  56         gst_sample_unref(_sample);
  57
  58         return GST_FLOW_OK;
  59 }
  60
  61 static gboolean
  62 _mm_on_src_message(GstBus * bus, GstMessage * message, gpointer user_data)
  63 {
  64         gstreamer_s * pGstreamer_s = (gstreamer_s*) user_data;
  65         switch (GST_MESSAGE_TYPE(message)) {
  66         case GST_MESSAGE_EOS: {
  67                 gstcs_debug("The source got dry");
  68                 gst_app_src_end_of_stream(GST_APP_SRC(pGstreamer_s->appsrc));
  69                 g_main_context_pop_thread_default(pGstreamer_s->context);
  70                 g_main_loop_quit(pGstreamer_s->loop);
  71                 break;
  72                 }
  73         case GST_MESSAGE_ERROR: {
  74                 GError *err = NULL;
  75                 gchar *dbg_info = NULL;
  76
  77                 gst_message_parse_error(message, &err, &dbg_info);
  78                 gstcs_error("ERROR from element %s: %s\n", GST_OBJECT_NAME(message->src), err->message);
  79                 gstcs_error("Debugging info: %s\n", (dbg_info) ? dbg_info : "none");
  80                 g_error_free(err);
  81                 g_free(dbg_info);
  82                 g_main_context_pop_thread_default(pGstreamer_s->context);
  83                 g_main_loop_quit(pGstreamer_s->loop);
  84                 gstcs_debug("Quit GST_CS\n");
  85                 break;
  86                 }
  87         default:
  88                 break;
  89         }
  90         return TRUE;
  91 }
  92
  93 static int
  94 _mm_get_byte_per_pixcel(const char *__format_label)
  95 {
  96         int byte_per_pixcel = 1;
  97         if (strcmp(__format_label, "RGB565") == 0) {
  98                 byte_per_pixcel = 2;
  99         } else if (strcmp(__format_label, "RGB888") == 0 ||
 100                 strcmp(__format_label, "BGR888") == 0) {
 101                 byte_per_pixcel = 3;
 102         } else if (strcmp(__format_label, "RGBA8888") == 0 ||
 103                 strcmp(__format_label, "ARGB8888") == 0 ||
 104                 strcmp(__format_label, "BGRA8888") == 0 ||
 105                 strcmp(__format_label, "ABGR8888") == 0 ||
 106                 strcmp(__format_label, "RGBX") == 0 ||
 107                 strcmp(__format_label, "XRGB") == 0 ||
 108                 strcmp(__format_label, "BGRX") == 0 ||
 109                 strcmp(__format_label, "XBGR") == 0) {
 110                 byte_per_pixcel = 4;
 111         }
 112
 113         gstcs_debug("byte per pixcel : %d", byte_per_pixcel);
 114
 115         return byte_per_pixcel;
 116 }
 117
 118 static int _mm_create_pipeline(gstreamer_s* pGstreamer_s)
 119 {
 120         int ret = GSTCS_ERROR_NONE;
 121         pGstreamer_s->pipeline = gst_pipeline_new("pipeline");
 122         if (!pGstreamer_s->pipeline) {
 123                 gstcs_error("pipeline could not be created. Exiting.\n");
 124                 ret = GSTCS_ERROR_INVALID_PARAMETER;
 125         }
 126         pGstreamer_s->appsrc = gst_element_factory_make("appsrc" , "appsrc");
 127         if (!pGstreamer_s->appsrc) {
 128                 gstcs_error("appsrc could not be created. Exiting.\n");
 129                 ret = GSTCS_ERROR_INVALID_PARAMETER;
 130         }
 131         pGstreamer_s->colorspace = gst_element_factory_make("videoconvert" , "convert");
 132         if (!pGstreamer_s->colorspace) {
 133                 gstcs_error("colorspace could not be created. Exiting.\n");
 134                 ret = GSTCS_ERROR_INVALID_PARAMETER;
 135         }
 136         pGstreamer_s->videoscale = gst_element_factory_make("videoscale", "scale");
 137         if (!pGstreamer_s->videoscale) {
 138                 gstcs_error("videoscale could not be created. Exiting.\n");
 139                 ret = GSTCS_ERROR_INVALID_PARAMETER;
 140         }
 141         pGstreamer_s->videoflip = gst_element_factory_make("videoflip", "flip");
 142         if (!pGstreamer_s->videoflip) {
 143                 gstcs_error("videoflip could not be created. Exiting.\n");
 144                 ret = GSTCS_ERROR_INVALID_PARAMETER;
 145         }
 146         pGstreamer_s->appsink = gst_element_factory_make("appsink" , "appsink");
 147         if (!pGstreamer_s->appsink) {
 148                 gstcs_error("appsink could not be created. Exiting.\n");
 149                 ret = GSTCS_ERROR_INVALID_PARAMETER;
 150         }
 151         return ret;
 152 }
 153
 154 static void _mm_destroy_notify(gpointer data)
 155 {
 156         unsigned char *_data = (unsigned char *)data;
 157         if (_data != NULL) {
 158                 free(_data);
 159                 _data = NULL;
 160         }
 161 }
 162
 163 static void
 164 _mm_check_caps_format(GstCaps* caps)
 165 {
 166         GstStructure *caps_structure = gst_caps_get_structure(caps, 0);
 167         const gchar* formatInfo = gst_structure_get_string(caps_structure, "format");
 168         gstcs_debug("[%d] caps: %s", GST_IS_CAPS(caps), formatInfo);
 169 }
 170
 171 static void
 172 _mm_link_pipeline(gstreamer_s* pGstreamer_s, int value)
 173 {
 174         /* set property */
 175         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);
 176         if (!gst_element_link_many(pGstreamer_s->appsrc, pGstreamer_s->colorspace, pGstreamer_s->videoscale, pGstreamer_s->videoflip, pGstreamer_s->appsink, NULL))
 177                 gstcs_error("Fail to link pipeline");
 178         else
 179                 gstcs_debug("Success to link pipeline");
 180
 181         g_object_set(G_OBJECT(pGstreamer_s->appsrc), "stream-type", 0, "format", GST_FORMAT_TIME, NULL);
 182         g_object_set(pGstreamer_s->appsrc, "num-buffers", 1, NULL);
 183         g_object_set(pGstreamer_s->appsrc, "is-live", TRUE, NULL); /* add because of gstreamer_s time issue */
 184
 185         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 */
 186
 187         /*g_object_set(pGstreamer_s->appsink, "drop", TRUE, NULL);*/
 188         g_object_set(pGstreamer_s->appsink, "emit-signals", TRUE, "sync", FALSE, NULL);
 189 }
 190
 191 static GstVideoFormat _mm_get_video_format(char *format_label)
 192 {
 193         GstVideoFormat videoFormat = GST_VIDEO_FORMAT_UNKNOWN;
 194         int _bpp = 0;
 195         int _depth = 0;
 196         int _red_mask = 0;
 197         int _green_mask = 0;
 198         int _blue_mask = 0;
 199         int _alpha_mask = 0;
 200         int _endianness = 0;
 201
 202         if (format_label == NULL) {
 203                 gstcs_error("Wrong format label");
 204                 return videoFormat;
 205         }
 206
 207         if (strcmp(format_label, "I420") == 0)
 208                 videoFormat = GST_VIDEO_FORMAT_I420;
 209         else if (strcmp(format_label, "Y42B") == 0)
 210                 videoFormat = GST_VIDEO_FORMAT_Y42B;
 211         else if (strcmp(format_label, "Y444") == 0)
 212                 videoFormat = GST_VIDEO_FORMAT_Y444;
 213         else if (strcmp(format_label, "YV12") == 0)
 214                 videoFormat = GST_VIDEO_FORMAT_YV12;
 215         else if (strcmp(format_label, "NV12") == 0)
 216                 videoFormat = GST_VIDEO_FORMAT_NV12;
 217         else if (strcmp(format_label, "UYVY") == 0)
 218                 videoFormat = GST_VIDEO_FORMAT_UYVY;
 219         else if (strcmp(format_label, "YUYV") == 0)
 220                 videoFormat = GST_VIDEO_FORMAT_YVYU;
 221         else if (strcmp(format_label, "RGB888") == 0) {
 222                 _bpp = 24; _depth = 24; _red_mask = 16711680; _green_mask = 65280; _blue_mask = 255; _endianness = 4321; _alpha_mask = 0;
 223                 videoFormat = gst_video_format_from_masks(_depth, _bpp, _endianness, _red_mask, _green_mask, _blue_mask, _alpha_mask);
 224         } else if (strcmp(format_label, "BGR888") == 0) {
 225                 _bpp = 24; _depth = 24; _red_mask = 255; _green_mask = 65280; _blue_mask = 16711680; _endianness = 4321; _alpha_mask = 0;
 226                 videoFormat = gst_video_format_from_masks(_depth, _bpp, _endianness, _red_mask, _green_mask, _blue_mask, _alpha_mask);
 227         } else if (strcmp(format_label, "RGB565") == 0) {
 228                 _bpp = 16; _depth = 16; _red_mask = 63488; _green_mask = 2016; _blue_mask = 31; _endianness = 1234; _alpha_mask = 0;
 229                 videoFormat = gst_video_format_from_masks(_depth, _bpp, _endianness, _red_mask, _green_mask, _blue_mask, _alpha_mask);
 230         } else if ((strcmp(format_label, "BGRX") == 0)) {
 231                 _bpp = 32; _depth = 24; _red_mask = 65280; _green_mask = 16711680; _blue_mask = -16777216; _endianness = 4321; _alpha_mask = 0;
 232                 videoFormat = gst_video_format_from_masks(_depth, _bpp, _endianness, _red_mask, _green_mask, _blue_mask, _alpha_mask);
 233         } else if (strcmp(format_label, "ARGB8888") == 0) { /*[Low Arrary Address] ARGBARGB... [High Array Address]*/
 234                 gstcs_debug("ARGB8888");
 235                 _bpp = 32; _depth = 32; _red_mask = 16711680; _green_mask = 65280; _blue_mask = 255; _alpha_mask = -16777216; _endianness = 4321;
 236                 videoFormat = gst_video_format_from_masks(_depth, _bpp, _endianness, _red_mask, _green_mask, _blue_mask, _alpha_mask);
 237         } else if (strcmp(format_label, "BGRA8888") == 0) { /*[Low Arrary Address] BGRABGRA...[High Array Address]*/
 238                 gstcs_debug("BGRA8888");
 239                 _bpp = 32; _depth = 32; _red_mask = 65280; _green_mask = 16711680; _blue_mask = -16777216; _alpha_mask = 255; _endianness = 4321;
 240         } else if (strcmp(format_label, "RGBA8888") == 0) { /*[Low Arrary Address] RGBARGBA...[High Array Address]*/
 241                 gstcs_debug("RGBA8888");
 242                 _bpp = 32; _depth = 32; _red_mask = -16777216; _green_mask = 16711680; _blue_mask = 65280; _alpha_mask = 255; _endianness = 4321;
 243         } else if (strcmp(format_label, "ABGR8888") == 0) { /*[Low Arrary Address] ABGRABGR...[High Array Address]*/
 244                 gstcs_debug("ABGR8888");
 245                 _bpp = 32; _depth = 32; _red_mask = 255; _green_mask = 65280; _blue_mask = 16711680; _alpha_mask = -16777216; _endianness = 4321;
 246         } else {
 247                 gstcs_error("***Wrong format cs type***");
 248         }
 249
 250         gstcs_debug("format_label [%s], Chosen video format [%s]", format_label, gst_video_format_to_string(videoFormat));
 251
 252         return videoFormat;
 253
 254 }
 255
 256 static void _mm_set_capabilities(image_format_s* __format)
 257 {
 258         GstVideoFormat videoFormat = GST_VIDEO_FORMAT_UNKNOWN;
 259
 260         if (__format == NULL) {
 261                 gstcs_error("Image format is NULL\n");
 262                 return;
 263         }
 264
 265         videoFormat = _mm_get_video_format(__format->format_label);
 266
 267         __format->caps = gst_caps_new_simple("video/x-raw",
 268                         "format", G_TYPE_STRING, gst_video_format_to_string(videoFormat),
 269                         "framerate", GST_TYPE_FRACTION, 25, 1,
 270                         "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
 271                         "width", G_TYPE_INT, __format->stride,
 272                         "height", G_TYPE_INT, __format->elevation,
 273                         "framerate", GST_TYPE_FRACTION, 1, 1,
 274                         NULL);
 275
 276         if (__format->caps) {
 277                 gstcs_debug("###__format->caps is not NULL###, %p", __format->caps);
 278                 _mm_check_caps_format(__format->caps);
 279         } else {
 280                 gstcs_error("__format->caps is NULL");
 281         }
 282 }
 283
 284 static void _mm_set_image_colorspace(image_format_s* __format)
 285 {
 286         gstcs_debug("format_label: %s\n", __format->format_label);
 287
 288         if ((strcmp(__format->format_label, "I420") == 0) || (strcmp(__format->format_label, "Y42B") == 0) || (strcmp(__format->format_label, "Y444") == 0)
 289                 || (strcmp(__format->format_label, "YV12") == 0) || (strcmp(__format->format_label, "NV12") == 0) || (strcmp(__format->format_label, "UYVY") == 0) || (strcmp(__format->format_label, "YUYV") == 0)) {
 290                 __format->colorspace = g_strdup("YUV");
 291         } else if ((strcmp(__format->format_label, "RGB888") == 0) || (strcmp(__format->format_label, "BGR888") == 0) || (strcmp(__format->format_label, "RGB565") == 0)) {
 292                 __format->colorspace = g_strdup("RGB");
 293         } else if ((strcmp(__format->format_label, "ARGB8888") == 0) || (strcmp(__format->format_label, "BGRA8888") == 0) || (strcmp(__format->format_label, "RGBA8888") == 0)  || (strcmp(__format->format_label, "ABGR8888") == 0)) {
 294                 __format->colorspace = g_strdup("RGBA");
 295         } else if ((strcmp(__format->format_label, "BGRX") == 0)) {
 296                 __format->colorspace = g_strdup("BGRX");
 297         } else {
 298                 gstcs_error("Check your colorspace format label");
 299         }
 300 }
 301
 302 static int _gstcs_create_image_format(image_format_s **format)
 303 {
 304         int ret = GSTCS_ERROR_NONE;
 305         image_format_s *_format = NULL;
 306
 307         if (format == NULL) {
 308                 gstcs_error("format is wrong value");
 309                 return GSTCS_ERROR_INVALID_OPERATION;
 310         }
 311
 312         _format = (image_format_s*)malloc(sizeof(image_format_s));
 313         if (_format == NULL) {
 314                 gstcs_error("memory allocation failed");
 315                 return GSTCS_ERROR_OUT_OF_MEMORY;
 316         }
 317         memset(_format, 0, sizeof(image_format_s));
 318         *format = _format;
 319
 320         return ret;
 321 }
 322
 323 static void _gstcs_destroy_image_format(image_format_s *format)
 324 {
 325         if (format != NULL) {
 326                 gst_caps_unref(format->caps);
 327                 GSTCS_FREE(format->format_label);
 328                 GSTCS_FREE(format->colorspace);
 329                 GSTCS_FREE(format);
 330         }
 331 }
 332
 333 static void _mm_round_up_widh_height(image_format_s* pFormat)
 334 {
 335         if (strcmp(pFormat->colorspace, "YUV") == 0) {
 336                 pFormat->stride = pFormat->width;
 337                 pFormat->elevation = pFormat->height;
 338         } else if (strcmp(pFormat->colorspace, "RGB") == 0) {
 339                 pFormat->stride = MM_UTIL_ROUND_UP_4(pFormat->width);
 340                 pFormat->elevation = MM_UTIL_ROUND_UP_2(pFormat->height);
 341         } else if ((strcmp(pFormat->colorspace, "RGBA") == 0) || (strcmp(pFormat->colorspace, "BGRX") == 0)) {
 342                 pFormat->stride = pFormat->width;
 343                 pFormat->elevation = MM_UTIL_ROUND_UP_2(pFormat->height);
 344         }
 345         gstcs_debug("stride: %d, elevation: %d", pFormat->stride, pFormat->elevation);
 346 }
 347
 348 static image_format_s* _mm_set_input_image_format_s_struct(imgp_info_s* pImgp_info)
 349 {
 350         int ret = GSTCS_ERROR_NONE;
 351         image_format_s* __format = NULL;
 352
 353         ret = _gstcs_create_image_format(&__format);
 354         if (ret != GSTCS_ERROR_NONE) {
 355                 gstcs_debug("Error: _gstcs_create_image_format is failed (%d)\n", ret);
 356                 return NULL;
 357         }
 358
 359         __format->format_label = g_strdup(pImgp_info->input_format_label);
 360         _mm_set_image_colorspace(__format);
 361
 362         __format->width = pImgp_info->src_width;
 363         __format->height = pImgp_info->src_height;
 364         _mm_round_up_widh_height(__format);
 365
 366         _mm_set_capabilities(__format);
 367
 368         gstcs_debug("input_format_label: %s", pImgp_info->input_format_label);
 369
 370         return __format;
 371 }
 372
 373 static image_format_s* _mm_set_output_image_format_s_struct(imgp_info_s* pImgp_info)
 374 {
 375         int ret = GSTCS_ERROR_NONE;
 376         image_format_s* __format = NULL;
 377
 378         ret = _gstcs_create_image_format(&__format);
 379         if (ret != GSTCS_ERROR_NONE) {
 380                 gstcs_debug("Error: _gstcs_create_image_format is failed (%d)\n", ret);
 381                 return NULL;
 382         }
 383
 384         __format->format_label = g_strdup(pImgp_info->output_format_label);
 385         _mm_set_image_colorspace(__format);
 386
 387         __format->width = pImgp_info->dst_width;
 388         __format->height = pImgp_info->dst_height;
 389         _mm_round_up_widh_height(__format);
 390
 391         _mm_set_capabilities(__format);
 392
 393         pImgp_info->output_stride = __format->stride;
 394         pImgp_info->output_elevation = __format->elevation;
 395
 396         gstcs_debug("output_format_label: %s", pImgp_info->output_format_label);
 397
 398         return __format;
 399 }
 400
 401 static int _mm_setup_image_size(const char* _format_label, int width, int height)
 402 {
 403         int size = 0;
 404
 405         if (strcmp(_format_label, "I420") == 0)
 406                 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; */
 407         else if (strcmp(_format_label, "Y42B") == 0)
 408                 size = (MM_UTIL_ROUND_UP_4(width) * height + MM_UTIL_ROUND_UP_8(width) * height); /*width * height *2; */
 409         else if (strcmp(_format_label, "YUV422") == 0)
 410                 size = (MM_UTIL_ROUND_UP_4(width) * height + MM_UTIL_ROUND_UP_8(width) * height); /*width * height *2; */
 411         else if (strcmp(_format_label, "Y444") == 0)
 412                 size = (MM_UTIL_ROUND_UP_4(width) * height * 3); /* width * height *3; */
 413         else if (strcmp(_format_label, "YV12") == 0)
 414                 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; */
 415         else if (strcmp(_format_label, "NV12") == 0)
 416                 size = (MM_UTIL_ROUND_UP_4(width) * MM_UTIL_ROUND_UP_2(height) * 1.5); /* width * height *1.5; */
 417         else if (strcmp(_format_label, "RGB565") == 0)
 418                 size = (MM_UTIL_ROUND_UP_4(width) * 2 * height); /* width * height *2; */
 419         else if (strcmp(_format_label, "RGB888") == 0)
 420                 size = (MM_UTIL_ROUND_UP_4(width) * 3 * height); /* width * height *3; */
 421         else if (strcmp(_format_label, "BGR888") == 0)
 422                 size = (MM_UTIL_ROUND_UP_4(width) * 3 * height); /* width * height *3; */
 423         else if (strcmp(_format_label, "UYVY") == 0)
 424                 size = (MM_UTIL_ROUND_UP_2(width) * 2 * height); /* width * height *2; */
 425         else if (strcmp(_format_label, "YUYV") == 0)
 426                 size = (MM_UTIL_ROUND_UP_2(width) * 2 * height); /* width * height *2; */
 427         else if (strcmp(_format_label, "ARGB8888") == 0)
 428                 size = width * height *4;
 429         else if (strcmp(_format_label, "BGRA8888") == 0)
 430                 size = width * height *4;
 431         else if (strcmp(_format_label, "RGBA8888") == 0)
 432                 size = width * height *4;
 433         else if (strcmp(_format_label, "ABGR8888") == 0)
 434                 size = width * height *4;
 435         else if (strcmp(_format_label, "BGRX") == 0)
 436                 size = width * height *4;
 437
 438         gstcs_debug("file_size: %d\n", size);
 439
 440         return size;
 441 }
 442
 443 static int
 444 _mm_push_buffer_into_pipeline(imgp_info_s* pImgp_info, unsigned char *src, gstreamer_s * pGstreamer_s)
 445 {
 446         int ret = GSTCS_ERROR_NONE;
 447
 448         if (pGstreamer_s->pipeline == NULL) {
 449                 gstcs_error("pipeline is NULL\n");
 450                 return GSTCS_ERROR_INVALID_PARAMETER;
 451         }
 452
 453         gsize data_size = _mm_setup_image_size(pImgp_info->input_format_label, pImgp_info->src_width, pImgp_info->src_height);
 454         GstBuffer* gst_buf = gst_buffer_new_wrapped_full(GST_MEMORY_FLAG_READONLY, src, data_size, 0, data_size, NULL, NULL);
 455
 456         if (gst_buf == NULL) {
 457                 gstcs_error("buffer is NULL\n");
 458                 return GSTCS_ERROR_INVALID_PARAMETER;
 459         }
 460
 461         gst_app_src_push_buffer(GST_APP_SRC(pGstreamer_s->appsrc), gst_buf); /* push buffer to pipeline */
 462         return ret;
 463 }
 464
 465 static int
 466 _mm_push_buffer_into_pipeline_new(image_format_s *input_format, unsigned char *src, gstreamer_s * pGstreamer_s)
 467 {
 468         int ret = GSTCS_ERROR_NONE;
 469         GstBuffer *gst_buf = NULL;
 470         unsigned int src_size = 0;
 471         unsigned char *data = NULL;
 472         unsigned int stride = input_format->stride;
 473         unsigned int elevation = input_format->elevation;
 474
 475         if (pGstreamer_s->pipeline == NULL) {
 476                 gstcs_error("pipeline is NULL\n");
 477                 return GSTCS_ERROR_INVALID_PARAMETER;
 478         }
 479
 480         gstcs_debug("stride: %d, elevation: %d", stride, elevation);
 481         src_size = _mm_setup_image_size(input_format->format_label, stride, elevation);
 482         gstcs_debug("buffer size (src): %d", src_size);
 483
 484         int byte_per_pixcel = _mm_get_byte_per_pixcel(input_format->format_label);
 485         unsigned int src_row = input_format->width * byte_per_pixcel;
 486         unsigned int stride_row = stride * byte_per_pixcel;
 487         unsigned int i = 0, y = 0;
 488         gstcs_debug("padding will be inserted to buffer");
 489         data = (unsigned char *) malloc(src_size);
 490         if (data == NULL) {
 491                 gstcs_error("app_buffer is NULL\n");
 492                 return GSTCS_ERROR_INVALID_PARAMETER;
 493         }
 494         for (y = 0; y < (unsigned int)(input_format->height); y++) {
 495                 guint8 *pLine = (guint8 *) &(src[src_row * y]);
 496                 for (i = 0; i < src_row; i++)
 497                         data[y * stride_row + i] = pLine[i];
 498                 guint8 stride_row_color = pLine[i - 1];
 499                 for (i = src_row; i < stride_row; i++)
 500                         data[y * stride_row + i] = stride_row_color;
 501         }
 502         for (y = (unsigned int)(input_format->height); y < (unsigned int)(input_format->elevation); y++) {
 503                 for (i = 0; i < stride_row; i++)
 504                         data[y * stride_row + i] = data[(y - 1) * stride_row + i];
 505         }
 506         gst_buf = gst_buffer_new_wrapped_full(GST_MEMORY_FLAG_READONLY, data, src_size, 0, src_size, data, _mm_destroy_notify);
 507
 508         if (gst_buf == NULL) {
 509                 gstcs_error("buffer is NULL\n");
 510                 GSTCS_FREE(data);
 511                 return GSTCS_ERROR_INVALID_PARAMETER;
 512         }
 513
 514         gst_app_src_push_buffer(GST_APP_SRC(pGstreamer_s->appsrc), gst_buf); /* push buffer to pipeline */
 515         return ret;
 516 }
 517
 518 static int
 519 _mm_imgp_gstcs_processing(gstreamer_s* pGstreamer_s, unsigned char *src, unsigned char **dst, image_format_s* input_format, image_format_s* output_format, imgp_info_s* pImgp_info)
 520 {
 521         GstBus *bus = NULL;
 522         GstStateChangeReturn ret_state;
 523         int ret = GSTCS_ERROR_NONE;
 524
 525         /*create pipeline*/
 526         ret = _mm_create_pipeline(pGstreamer_s);
 527         if (ret != GSTCS_ERROR_NONE)
 528                 gstcs_error("ERROR - mm_create_pipeline ");
 529
 530         /* 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. */
 531         gst_app_sink_set_emit_signals((GstAppSink*)pGstreamer_s->appsink, TRUE);
 532
 533         bus = gst_pipeline_get_bus(GST_PIPELINE(pGstreamer_s->pipeline));
 534         gst_bus_add_watch(bus, (GstBusFunc) _mm_on_src_message, pGstreamer_s);
 535         gst_object_unref(bus);
 536
 537         gst_app_src_set_caps(GST_APP_SRC(pGstreamer_s->appsrc), input_format->caps);
 538         gst_app_sink_set_caps(GST_APP_SINK(pGstreamer_s->appsink), output_format->caps);
 539
 540         if ((input_format->width != input_format->stride) || (input_format->height != input_format->elevation)) {
 541                 gstcs_debug("Start _mm_push_buffer_into_pipeline_new");
 542                 ret = _mm_push_buffer_into_pipeline_new(input_format, src, pGstreamer_s);
 543         } else {
 544                 gstcs_debug("Start mm_push_buffer_into_pipeline");
 545                 ret = _mm_push_buffer_into_pipeline(pImgp_info, src, pGstreamer_s);
 546         }
 547
 548         if (ret != GSTCS_ERROR_NONE) {
 549                 gstcs_error("ERROR - mm_push_buffer_into_pipeline ");
 550                 gst_object_unref(pGstreamer_s->pipeline);
 551                 return ret;
 552         }
 553         gstcs_debug("End mm_push_buffer_into_pipeline");
 554
 555         /*link pipeline*/
 556         gstcs_debug("Start mm_link_pipeline");
 557         _mm_link_pipeline(pGstreamer_s, pImgp_info->angle);
 558         gstcs_debug("End mm_link_pipeline");
 559
 560         /* Conecting to the new-sample signal emited by the appsink*/
 561         gstcs_debug("Start G_CALLBACK(_mm_sink_sample)");
 562         g_signal_connect(pGstreamer_s->appsink, "new-sample", G_CALLBACK(_mm_sink_sample), pGstreamer_s);
 563         gstcs_debug("End G_CALLBACK(_mm_sink_sample)");
 564
 565         /* GST_STATE_PLAYING*/
 566         gstcs_debug("Start GST_STATE_PLAYING");
 567         ret_state = gst_element_set_state(pGstreamer_s->pipeline, GST_STATE_PLAYING);
 568         gstcs_debug("End GST_STATE_PLAYING ret_state: %d", ret_state);
 569
 570         /*g_main_loop_run*/
 571         gstcs_debug("g_main_loop_run");
 572         g_main_loop_run(pGstreamer_s->loop);
 573
 574         gstcs_debug("Sucess GST_STATE_CHANGE");
 575
 576         /*GST_STATE_NULL*/
 577         gst_element_set_state(pGstreamer_s->pipeline, GST_STATE_NULL);
 578         gstcs_debug("End GST_STATE_NULL");
 579
 580         gstcs_debug("###pGstreamer_s->output_buffer### : %p", pGstreamer_s->output_buffer);
 581
 582         ret_state = gst_element_get_state(pGstreamer_s->pipeline, NULL, NULL, 1*GST_SECOND);
 583
 584         if (ret_state == GST_STATE_CHANGE_SUCCESS)
 585                 gstcs_debug("GST_STATE_NULL ret_state = %d (GST_STATE_CHANGE_SUCCESS)\n", ret_state);
 586         else if (ret_state == GST_STATE_CHANGE_ASYNC)
 587                 gstcs_debug("GST_STATE_NULL ret_state = %d (GST_STATE_CHANGE_ASYNC)\n", ret_state);
 588
 589         gstcs_debug("Success gst_element_get_state\n");
 590
 591         if (ret_state == GST_STATE_CHANGE_FAILURE) {
 592                 gstcs_error("GST_STATE_CHANGE_FAILURE");
 593         } else {
 594                 if (pGstreamer_s->output_buffer != NULL) {
 595                         GstMapInfo mapinfo = GST_MAP_INFO_INIT;
 596                         gst_buffer_map(pGstreamer_s->output_buffer, &mapinfo, GST_MAP_READ);
 597                         int buffer_size = mapinfo.size;
 598                         int calc_buffer_size = 0;
 599
 600                         calc_buffer_size = _mm_setup_image_size(pImgp_info->output_format_label, output_format->stride, output_format->elevation);
 601
 602                         gstcs_debug("buffer size: %d, calc: %d\n", buffer_size, calc_buffer_size);
 603                         if (buffer_size != calc_buffer_size) {
 604                                 gstcs_debug("Buffer size is different \n");
 605                                 gstcs_debug("unref output buffer");
 606                                 gst_buffer_unref(pGstreamer_s->output_buffer);
 607                                 gst_object_unref(pGstreamer_s->pipeline);
 608                                 pGstreamer_s->output_buffer = NULL;
 609                                 return GSTCS_ERROR_INVALID_OPERATION;
 610                         }
 611                         gstcs_debug("pGstreamer_s->output_buffer: %p\n", pGstreamer_s->output_buffer);
 612                         *dst = calloc(1, buffer_size);
 613                         if (*dst == NULL) {
 614                                 gstcs_error("ERROR - calloc ");
 615                                 gst_buffer_unref(pGstreamer_s->output_buffer);
 616                                 gst_object_unref(pGstreamer_s->pipeline);
 617                                 pGstreamer_s->output_buffer = NULL;
 618                                 return GSTCS_ERROR_INVALID_OPERATION;
 619                         }
 620
 621                         memcpy(*dst, mapinfo.data, buffer_size);
 622                         pImgp_info->buffer_size = buffer_size;
 623                         gst_buffer_unmap(pGstreamer_s->output_buffer, &mapinfo);
 624                 } else {
 625                         gstcs_debug("pGstreamer_s->output_buffer is NULL");
 626                 }
 627         }
 628         gstcs_debug("unref output buffer");
 629         gst_buffer_unref(pGstreamer_s->output_buffer);
 630         gst_object_unref(pGstreamer_s->pipeline);
 631         pGstreamer_s->output_buffer = NULL;
 632
 633         gstcs_debug("End gstreamer processing");
 634         gstcs_debug("dst: %p", *dst);
 635         return ret;
 636 }
 637
 638 static int _gstcs_create_default_thread(gstreamer_s *gstreamer)
 639 {
 640         if (gstreamer == NULL) {
 641                 gstcs_error("ERROR - gstreamer is null ");
 642                 return GSTCS_ERROR_INVALID_OPERATION;
 643         }
 644
 645         gstreamer->context = g_main_context_new();
 646         if (gstreamer->context == NULL) {
 647                 gstcs_error("ERROR - g_main_context_new ");
 648                 return GSTCS_ERROR_INVALID_OPERATION;
 649         }
 650         gstreamer->loop = g_main_loop_new(gstreamer->context, FALSE);
 651         if (gstreamer->loop == NULL) {
 652                 gstcs_error("ERROR - g_main_loop_new ");
 653                 g_main_context_unref(gstreamer->context);
 654                 return GSTCS_ERROR_INVALID_OPERATION;
 655         }
 656
 657         g_main_context_push_thread_default(gstreamer->context);
 658         return GSTCS_ERROR_NONE;
 659 }
 660
 661 static int _gstcs_destroy_default_thread(gstreamer_s *gstreamer)
 662 {
 663         if (gstreamer == NULL) {
 664                 gstcs_error("ERROR - gstreamer is null ");
 665                 return GSTCS_ERROR_INVALID_OPERATION;
 666         }
 667
 668         if (gstreamer->loop != NULL)
 669                 g_main_loop_unref(gstreamer->loop);
 670
 671         if (gstreamer->context != NULL)
 672                 g_main_context_unref(gstreamer->context);
 673
 674         return GSTCS_ERROR_NONE;
 675 }
 676
 677 static int _gstcs_init(gstreamer_s** gstreamer)
 678 {
 679         static const int max_argc = 50;
 680         gint argc = 0;
 681         gchar** argv = NULL;
 682         int i = 0;
 683         int ret = GSTCS_ERROR_NONE;
 684
 685         argv = malloc(sizeof(gchar*) * max_argc);
 686
 687         if (!argv) {
 688                 gstcs_error("argv is not allocated");
 689                 return GSTCS_ERROR_OUT_OF_MEMORY;
 690         }
 691         memset(argv, 0, sizeof(gchar*) * max_argc);
 692
 693         argv[argc] = g_strdup("mmutil_gstcs");
 694         if (argv[argc] == NULL) {
 695                 gstcs_error("argv[%d] is not allocated", argc);
 696                 ret = GSTCS_ERROR_OUT_OF_MEMORY;
 697         }
 698         argc++;
 699         /* check disable registry scan */
 700         argv[argc] = g_strdup("--gst-disable-registry-update");
 701         if (argv[argc] == NULL) {
 702                 gstcs_error("argv[%d] is not allocated", argc);
 703                 ret = GSTCS_ERROR_OUT_OF_MEMORY;
 704         }
 705         argc++;
 706         if (ret != GSTCS_ERROR_NONE) {
 707                 for (i = 0; i < argc; i++)
 708                         GSTCS_FREE(argv[i]);
 709
 710                 GSTCS_FREE(argv);
 711                 return ret;
 712         }
 713
 714         gst_init(&argc, &argv);
 715
 716         *gstreamer = g_new0(gstreamer_s, 1);
 717         if (*gstreamer == NULL) {
 718                 gstcs_error("gstreamer structure is not allocated");
 719                 ret = GSTCS_ERROR_OUT_OF_MEMORY;
 720         }
 721
 722         for (i = 0; i < argc; i++)
 723                 GSTCS_FREE(argv[i]);
 724
 725         GSTCS_FREE(argv);
 726         return ret;
 727 }
 728
 729 static int _mm_imgp_gstcs(imgp_info_s* pImgp_info, unsigned char *src, unsigned char **dst)
 730 {
 731         image_format_s* input_format = NULL, *output_format = NULL;
 732         gstreamer_s* pGstreamer_s;
 733         int ret = GSTCS_ERROR_NONE;
 734
 735         /* Print debug message for inout structure */
 736         gstcs_debug("[input] format label : %s width: %d height: %d\t[output] format label: %s width: %d height: %d rotation vaule: %d",
 737         pImgp_info->input_format_label, pImgp_info->src_width, pImgp_info->src_height, pImgp_info->output_format_label, pImgp_info->dst_width, pImgp_info->dst_height, pImgp_info->angle);
 738
 739         /* Initialize gstreamer */
 740         ret = _gstcs_init(&pGstreamer_s);
 741         if (ret != GSTCS_ERROR_NONE) {
 742                 gstcs_error("Error: _gstcs_new is failed");
 743                 return ret;
 744         }
 745
 746         /* Create input/output format for gstreamer processing */
 747         input_format = _mm_set_input_image_format_s_struct(pImgp_info);
 748         if (input_format == NULL) {
 749                 gstcs_error("Error: memory allocation failed");
 750                 GSTCS_FREE(pGstreamer_s);
 751                 return GSTCS_ERROR_OUT_OF_MEMORY;
 752         }
 753
 754         output_format = _mm_set_output_image_format_s_struct(pImgp_info);
 755         if (output_format == NULL) {
 756                 gstcs_error("Error: memory allocation failed");
 757                 _gstcs_destroy_image_format(input_format);
 758                 GSTCS_FREE(pGstreamer_s);
 759                 return GSTCS_ERROR_OUT_OF_MEMORY;
 760         }
 761
 762         /* Create default thread for async behavior */
 763         ret = _gstcs_create_default_thread(pGstreamer_s);
 764         if (ret != GSTCS_ERROR_NONE) {
 765                 gstcs_error("Error: _gstcs_create_default_thread is failed");
 766                 _gstcs_destroy_image_format(input_format);
 767                 _gstcs_destroy_image_format(output_format);
 768                 GSTCS_FREE(pGstreamer_s);
 769                 return ret;
 770         }
 771
 772         /* Do gstreamer processing */
 773         gstcs_debug("Start _mm_imgp_gstcs_processing ");
 774         ret = _mm_imgp_gstcs_processing(pGstreamer_s, src, dst, input_format, output_format, pImgp_info); /* input: buffer pointer for input image , input image format, input image width, input image height, output: buffer porinter for output image */
 775
 776         if (ret == GSTCS_ERROR_NONE)
 777                 gstcs_debug("End _mm_imgp_gstcs_processing [dst: %p]", *dst);
 778         else if (ret != GSTCS_ERROR_NONE)
 779                 gstcs_error("ERROR - _mm_imgp_gstcs_processing");
 780
 781         /* Free resouces */
 782         ret = _gstcs_destroy_default_thread(pGstreamer_s);
 783         if (ret != GSTCS_ERROR_NONE)
 784                 gstcs_error("Error: _gstcs_create_default_thread is failed");
 785
 786         _gstcs_destroy_image_format(input_format);
 787         _gstcs_destroy_image_format(output_format);
 788         GSTCS_FREE(pGstreamer_s);
 789
 790         return ret;
 791 }
 792
 793 int mm_imgp(imgp_info_s* pImgp_info, unsigned char *src, unsigned char **dst, imgp_type_e _imgp_type)
 794 {
 795         if (pImgp_info == NULL) {
 796                 gstcs_error("Error: input vaule is NULL");
 797                 return GSTCS_ERROR_INVALID_PARAMETER;
 798         }
 799
 800         if (src == NULL || dst == NULL) {
 801                 gstcs_error("Error: src | dst is NULL");
 802                 return GSTCS_ERROR_INVALID_PARAMETER;
 803         }
 804
 805         if (_imgp_type < 0 || _imgp_type > IMGP_MAX) {
 806                 gstcs_error("Error: imgp_type is wrong");
 807                 return GSTCS_ERROR_INVALID_PARAMETER;
 808         }
 809
 810         gstcs_debug("[src %p] [dst %p]", src, dst);
 811
 812         return _mm_imgp_gstcs(pImgp_info, src, dst);
 813 }