transcode/mm_transcode.c

   1 /*
   2  * libmm-transcode
   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_transcode.h"
  22 #include "mm_transcode_internal.h"
  23
  24 int mm_transcode_create(MMHandleType *MMHandle)
  25 {
  26         int ret = MM_ERROR_NONE;
  27         handle_s *handle = NULL;
  28
  29         /* Check argument here */
  30         if (MMHandle == NULL) {
  31                 debug_error("Invalid arguments [tag null]\n");
  32                 return MM_ERROR_INVALID_ARGUMENT;
  33         }
  34
  35         /* Init Transcode */
  36         gst_init(NULL, NULL);
  37         /*handle = g_malloc(sizeof(handle_s)); */
  38         handle = g_new0(handle_s, 1);
  39         if (!handle) {
  40                 debug_error("[ERROR] - handle");
  41                 return MM_ERROR_TRANSCODE_INTERNAL;
  42         }
  43
  44         handle->decoder_vidp = g_new0(handle_vidp_plugin_s, 1);
  45         if (!handle->decoder_vidp) {
  46                 debug_error("[ERROR] - handle decoder video process bin");
  47                 goto ERROR4;
  48         }
  49
  50         handle->decoder_audp = g_new0(handle_audp_plugin_s, 1);
  51         if (!handle->decoder_audp) {
  52                 debug_error("[ERROR] - handle decoder audio process bin");
  53                 goto ERROR3;
  54         }
  55
  56         handle->encodebin = g_new0(handle_encode_s, 1);
  57         if (!handle->encodebin) {
  58                 debug_error("[ERROR] - handle encodebin");
  59                 goto ERROR2;
  60         }
  61
  62         handle->property = g_new0(handle_property_s, 1);
  63         if (!handle->property) {
  64                 debug_error("[ERROR] - handle property");
  65                 goto ERROR1;
  66         }
  67
  68         *MMHandle = (MMHandleType)handle;
  69
  70         debug_log("MMHandle: 0x%2x", handle);
  71         handle->property->_MMHandle = 0;
  72
  73         return ret;
  74
  75 ERROR1:
  76         TRANSCODE_FREE(handle->encodebin);
  77 ERROR2:
  78         TRANSCODE_FREE(handle->decoder_audp);
  79 ERROR3:
  80         TRANSCODE_FREE(handle->decoder_vidp);
  81 ERROR4:
  82         TRANSCODE_FREE(handle);
  83         return MM_ERROR_TRANSCODE_INTERNAL;
  84 }
  85
  86 int mm_transcode_prepare(MMHandleType MMHandle, const char *in_Filename, mm_containerformat_e containerformat, mm_videoencoder_e videoencoder, mm_audioencoder_e audioencoder)
  87 {
  88         int ret = MM_ERROR_NONE;
  89
  90         handle_s *handle = (handle_s *) MMHandle;
  91
  92         if (!handle) {
  93                 debug_error("[ERROR] - handle");
  94                 return MM_ERROR_INVALID_ARGUMENT;
  95         }
  96
  97         if (!handle->property) {
  98                 debug_error("[ERROR] - handle property");
  99                 return MM_ERROR_TRANSCODE_INTERNAL;
 100         }
 101
 102         if ((in_Filename == NULL) || (strlen(in_Filename) == 0)) {
 103                 debug_error("Invalid Input file");
 104                 return MM_ERROR_INVALID_ARGUMENT;
 105         }
 106
 107         if (videoencoder == MM_VIDEOENCODER_NO_USE && audioencoder == MM_AUDIOENCODER_NO_USE) {
 108                 debug_error("No encoder resource");
 109                 return MM_ERROR_INVALID_ARGUMENT;
 110         }
 111
 112         if (videoencoder == MM_VIDEOENCODER_H264) {
 113                 debug_error("Can't support encoding to H264");
 114                 return MM_ERROR_INVALID_ARGUMENT;
 115         }
 116
 117         /* set element */
 118         ret = _mm_transcode_set_handle_element(handle, in_Filename, containerformat, videoencoder, audioencoder);
 119         if (ret != MM_ERROR_NONE) {
 120                 debug_error("ERROR -Set element");
 121                 return ret;
 122         }
 123
 124         debug_log("%s == %s", handle->property->sourcefile, in_Filename);
 125         /* protect the case of changing input file during transcoding */
 126         if (0 == strlen(handle->property->sourcefile) || 0 == strcmp(handle->property->sourcefile, in_Filename)) {
 127                 /* setup */
 128                 ret = _mm_setup_pipeline(handle);
 129                 if (ret == MM_ERROR_NONE) {
 130                         debug_log("Success - Setup Pipeline");
 131                 } else {
 132                         debug_error("ERROR - Setup Pipeline");
 133                         return ret;
 134                 }
 135
 136                 /* video / auido stream */
 137                 ret = _mm_transcode_get_stream_info(handle);
 138                 if (ret == MM_ERROR_NONE) {
 139                         debug_log("Success - Get stream info");
 140                 } else {
 141                         debug_error("ERROR - Get stream info");
 142                         return ret;
 143                 }
 144
 145                 /* create pipeline */
 146                 ret = _mm_transcode_create(handle);
 147                 if (ret == MM_ERROR_NONE) {
 148                         debug_log("Success - Create Pipeline");
 149                 } else {
 150                         debug_error("ERROR -Create Pipeline");
 151                         return ret;
 152                 }
 153
 154                 /*link pipeline */
 155                 ret = _mm_transcode_link(handle);
 156                 if (ret == MM_ERROR_NONE) {
 157                         debug_log("Success - Link pipeline");
 158                 } else {
 159                         debug_error("ERROR - Link pipeline");
 160                         return ret;
 161                 }
 162
 163                 /* flush param */
 164                 ret = _mm_transcode_param_flush(handle);
 165                 if (ret == MM_ERROR_NONE) {
 166                         debug_log("Success - Init parameter");
 167                 } else {
 168                         debug_error("ERROR - Init parameter");
 169                         return ret;
 170                 }
 171
 172                 /* create thread */
 173                 ret = _mm_transcode_thread(handle);
 174                 if (ret == MM_ERROR_NONE) {
 175                         debug_log("Success - Link pipeline");
 176                 } else {
 177                         debug_error("ERROR - Link pipeline");
 178                         return ret;
 179                 }
 180
 181                 /* Add_watcher Transcode Bus */
 182                 GstBus *bus = gst_pipeline_get_bus(GST_PIPELINE(handle->pipeline));
 183                 handle->property->bus_watcher = gst_bus_add_watch(bus, (GstBusFunc)_mm_cb_transcode_bus, handle);
 184                 gst_object_unref(GST_OBJECT(bus));
 185                 debug_log("Success - gst_object_unref (bus)");
 186         }
 187
 188         handle->property->_MMHandle++;
 189
 190         return ret;
 191 }
 192
 193 int mm_transcode(MMHandleType MMHandle, unsigned int resolution_width, unsigned int resolution_height, unsigned int fps_value, unsigned long start_position, unsigned long duration, mm_seek_mode_e seek_mode, const char *out_Filename, mm_transcode_progress_callback progress_callback, mm_transcode_completed_callback completed_callback, void *user_param)
 194 {
 195         int ret = MM_ERROR_NONE;
 196         handle_s *handle = (handle_s *)MMHandle;
 197
 198         if (!handle) {
 199                 debug_error("[ERROR] - handle");
 200                 return MM_ERROR_INVALID_ARGUMENT;
 201         }
 202
 203         if (!handle->property) {
 204                 debug_error("[ERROR] - handle property");
 205                 return MM_ERROR_TRANSCODE_INTERNAL;
 206         }
 207
 208         if (!completed_callback) {
 209                 debug_error("[ERROR] - completed_callback");
 210                 return MM_ERROR_INVALID_ARGUMENT;
 211         }
 212
 213         if (!out_Filename) {
 214                 debug_error("[ERROR] - out_Filename");
 215                 return MM_ERROR_INVALID_ARGUMENT;
 216         }
 217
 218         if (duration < MIN_DURATION && duration != 0) {
 219                 debug_error("The minimum seek duration is 1000 msec ");
 220                 return MM_ERROR_INVALID_ARGUMENT;
 221         }
 222
 223         handle->property->progress_cb = progress_callback;
 224         handle->property->progress_cb_param = user_param;
 225         debug_log("[MMHandle] 0x%2x [progress_cb] 0x%2x [progress_cb_param] 0x%2x", MMHandle, handle->property->progress_cb, handle->property->progress_cb_param);
 226
 227         handle->property->completed_cb = completed_callback;
 228         handle->property->completed_cb_param = user_param;
 229         debug_log("[MMHandle] 0x%2x [completed_cb] 0x%2x [completed_cb_param] 0x%2x", MMHandle, handle->property->completed_cb, handle->property->completed_cb_param);
 230
 231         if (!handle->property) {
 232                 debug_error("[ERROR] - handle property");
 233                 return MM_ERROR_TRANSCODE_INTERNAL;
 234         }
 235         /* check if prepare is called during transcoding */
 236         if (handle->property->_MMHandle == 1) {
 237                 handle_param_s *param = g_new0(handle_param_s, 1);
 238                 if (param) {
 239                         /*g_value_init (param, G_TYPE_INT); */
 240                         debug_log("[param] 0x%2x", param);
 241                 }
 242
 243                 /* set parameter */
 244                 ret = _mm_transcode_set_handle_parameter(param, resolution_width, resolution_height, fps_value, start_position, duration, seek_mode, out_Filename);
 245                 if (ret != MM_ERROR_NONE) {
 246                         debug_error("ERROR -Set parameter");
 247                         return ret;
 248                 }
 249
 250                 ret = _mm_transcode_preset_capsfilter(handle, resolution_width, resolution_height);
 251                 if (ret == MM_ERROR_NONE) {
 252                         debug_log("Success - Preset Capsfilter");
 253                 } else {
 254                         debug_error("ERROR - Preset Capsfilter");
 255                         return ret;
 256                 }
 257
 258                 handle->property->is_busy = TRUE;
 259
 260                 /*push data to handle */
 261                 g_async_queue_push(handle->property->queue, GINT_TO_POINTER(param));
 262         }
 263
 264         return ret;
 265 }
 266
 267 int mm_transcode_is_busy(MMHandleType MMHandle, bool *is_busy)
 268 {
 269         int ret = MM_ERROR_NONE;
 270
 271         handle_s *handle = (handle_s *)MMHandle;
 272
 273         if (!handle) {
 274                 debug_error("[ERROR] - handle");
 275                 return MM_ERROR_INVALID_ARGUMENT;
 276         }
 277
 278         if (!handle->property) {
 279                 debug_error("[ERROR] - handle property");
 280                 return MM_ERROR_TRANSCODE_INTERNAL;
 281         }
 282
 283         if (!is_busy) {
 284                 debug_error("[ERROR] - is_busy");
 285                 return MM_ERROR_INVALID_ARGUMENT;
 286         }
 287
 288         *is_busy = handle->property->is_busy;
 289         debug_log("[Transcoding....] %d", *is_busy);
 290
 291         return ret;
 292 }
 293
 294 int mm_transcode_cancel(MMHandleType MMHandle)
 295 {
 296         int ret = MM_ERROR_NONE;
 297         handle_s *handle = (handle_s *)MMHandle;
 298
 299         if (!handle) {
 300                 debug_error("[ERROR] - handle");
 301                 return MM_ERROR_INVALID_ARGUMENT;
 302         }
 303
 304         if (!handle->property) {
 305                 debug_error("[ERROR] - handle property");
 306                 return MM_ERROR_TRANSCODE_INTERNAL;
 307         }
 308
 309         if (handle->property->is_busy) {
 310                 debug_log("Cancel - [IS BUSY]");
 311                 ret = _mm_transcode_state_change(handle, GST_STATE_NULL);
 312                 if (ret != MM_ERROR_NONE) {
 313                         debug_error("ERROR - Null Pipeline");
 314                         return ret;
 315                 }
 316
 317                 if ((handle->param) && (strlen(handle->param->outputfile) > 0)) {
 318                         unlink(handle->param->outputfile);
 319                         debug_log("[Cancel] unlink %s", handle->param->outputfile);
 320                 } else {
 321                         debug_error("unlink error");
 322                         return MM_ERROR_TRANSCODE_INTERNAL;
 323                 }
 324                 g_mutex_lock(handle->property->thread_mutex);
 325                 g_cond_signal(handle->property->thread_cond);
 326                 debug_log("===> send completed signal <-cancel");
 327                 g_mutex_unlock(handle->property->thread_mutex);
 328         }
 329
 330         handle->property->is_busy = FALSE;
 331
 332         return ret;
 333 }
 334
 335 int mm_transcode_destroy(MMHandleType MMHandle)
 336 {
 337         int ret = MM_ERROR_NONE;
 338
 339         handle_s *handle = (handle_s *)MMHandle;
 340
 341         if (!handle) {
 342                 debug_error("[ERROR] - handle");
 343                 return MM_ERROR_INVALID_ARGUMENT;
 344         }
 345
 346         if (!handle->property) {
 347                 debug_error("[ERROR] - handle property");
 348                 return MM_ERROR_TRANSCODE_INTERNAL;
 349         }
 350
 351         g_mutex_lock(handle->property->thread_exit_mutex);
 352         handle->property->repeat_thread_exit = TRUE;
 353         if (handle->property->is_busy) {
 354                 ret = mm_transcode_cancel(MMHandle);
 355                 if (ret == MM_ERROR_NONE) {
 356                         debug_log("Success - Cancel Transcode");
 357                 } else {
 358                         debug_error("ERROR - Cancel Transcode");
 359                         return FALSE;
 360                 }
 361         }
 362         /* handle->property->is_busy = FALSE; */
 363         g_mutex_unlock(handle->property->thread_exit_mutex);
 364
 365         handle_param_s *param = g_new0(handle_param_s, 1);
 366         if (param) {
 367                 debug_log("[Try to Push Last Queue]");
 368                 g_async_queue_push(handle->property->queue, GINT_TO_POINTER(param));
 369         } else {
 370                 debug_error("Fail to create Last Queue");
 371                 return MM_ERROR_INVALID_ARGUMENT;
 372         }
 373
 374         ret = _mm_transcode_state_change(handle, GST_STATE_NULL);
 375         if (ret != MM_ERROR_NONE) {
 376                 debug_error("ERROR - Null Pipeline");
 377                 return ret;
 378         } else {
 379                 debug_log("SUCCESS - Null Pipeline");
 380         }
 381
 382         if ((handle->param) && (!handle->param->completed)) {
 383                 g_cond_signal(handle->property->thread_cond);
 384                 debug_log("===> send completed signal <-destroy");
 385                 g_mutex_unlock(handle->property->thread_mutex);
 386                 debug_log("unlock destory");
 387                 if (strlen(handle->param->outputfile) > 0) {
 388                         unlink(handle->param->outputfile);
 389                         debug_log("[Cancel] unlink %s", handle->param->outputfile);
 390                 }
 391         }
 392
 393         ret = _mm_cleanup_pipeline(handle);
 394         if (ret == MM_ERROR_NONE) {
 395                 debug_log("Success - CleanUp Pipeline");
 396         } else {
 397                 debug_error("ERROR - CleanUp Pipeline");
 398                 return ret;
 399         }
 400         TRANSCODE_FREE(param);
 401         debug_log("[param] free");
 402
 403         return ret;
 404 }
 405
 406 int mm_transcode_get_attrs(MMHandleType MMHandle, mm_containerformat_e * containerformat, mm_videoencoder_e * videoencoder, mm_audioencoder_e * audioencoder, unsigned long *current_pos, unsigned long *duration, unsigned int *resolution_width, unsigned int *resolution_height)
 407 {
 408
 409         int ret = MM_ERROR_NONE;
 410         handle_s *handle = (handle_s *)MMHandle;
 411
 412         if (!handle) {
 413                 debug_error("[ERROR] - handle");
 414                 return MM_ERROR_INVALID_ARGUMENT;
 415         }
 416
 417         if (!handle->property) {
 418                 debug_error("[ERROR] - handle property");
 419                 return MM_ERROR_TRANSCODE_INTERNAL;
 420         }
 421
 422         if (!containerformat || !videoencoder || !audioencoder || !current_pos || !duration || !resolution_width || !resolution_height) {
 423                 debug_error("[ERROR] - Invalid argument pointer");
 424                 return MM_ERROR_INVALID_ARGUMENT;
 425         }
 426
 427         *containerformat = handle->property->containerformat;
 428         *videoencoder = handle->property->videoencoder;
 429         *audioencoder = handle->property->audioencoder;
 430
 431         if (!handle->property) {
 432                 debug_error("[ERROR] - handle property");
 433                 return MM_ERROR_TRANSCODE_INTERNAL;
 434         }
 435
 436         if (handle->property->current_pos > handle->param->duration)
 437                 *current_pos = handle->param->duration;
 438         else
 439                 *current_pos = handle->property->current_pos;
 440         *duration = handle->property->real_duration;
 441         *resolution_width = handle->param->resolution_width;
 442         *resolution_height = handle->param->resolution_height;
 443
 444         debug_log("containerformat : %d, videoencoder : %d, audioencoder : %d, current_pos : %d, duration : %d, resolution_width : %d, resolution_height : %d", *containerformat, *videoencoder, *audioencoder, *current_pos, *duration, *resolution_width, *resolution_height);
 445
 446         return ret;
 447 }
 448
 449 int mm_transcode_get_supported_container_format(mm_transcode_support_type_callback type_callback, void *user_param)
 450 {
 451         int idx = 0;
 452
 453         for (idx = 0; idx < MM_CONTAINER_NUM; idx++) {
 454                 if (type_callback(idx, user_param) == false) {
 455                         debug_error("error occured. idx[%d]", idx);
 456                         break;
 457                 }
 458         }
 459
 460         return MM_ERROR_NONE;
 461 }
 462
 463 int mm_transcode_get_supported_video_encoder(mm_transcode_support_type_callback type_callback, void *user_param)
 464 {
 465         int idx = 0;
 466
 467         for (idx = 0; idx < MM_VIDEOENCODER_H264; idx++) {
 468                 if (type_callback(idx, user_param) == false) {
 469                         debug_error("error occured. idx[%d]", idx);
 470                         break;
 471                 }
 472         }
 473
 474         return MM_ERROR_NONE;
 475 }
 476
 477 int mm_transcode_get_supported_audio_encoder(mm_transcode_support_type_callback type_callback, void *user_param)
 478 {
 479         int idx = 0;
 480
 481         for (idx = 0; idx < MM_AUDIOENCODER_NO_USE; idx++) {
 482                 if (type_callback(idx, user_param) == false) {
 483                         debug_error("error occured. idx[%d]", idx);
 484                         break;
 485                 }
 486         }
 487
 488         return MM_ERROR_NONE;
 489 }