git.sesse.net Git - mlt/blob - src/modules/avformat/consumer_avformat.c

   1 /*
   2  * consumer_avformat.c -- an encoder based on avformat
   3  * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
   4  * Author: Charles Yates <charles.yates@pandora.be>
   5  * Much code borrowed from ffmpeg.c: Copyright (c) 2000-2003 Fabrice Bellard
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 // mlt Header files
  23 #include <framework/mlt_consumer.h>
  24 #include <framework/mlt_frame.h>
  25 #include <framework/mlt_profile.h>
  26 #include <framework/mlt_log.h>
  27 #include <framework/mlt_events.h>
  28
  29 // System header files
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <limits.h>
  34 #include <pthread.h>
  35 #include <sys/time.h>
  36 #include <unistd.h>
  37
  38 // avformat header files
  39 #include <libavformat/avformat.h>
  40 #ifdef SWSCALE
  41 #include <libswscale/swscale.h>
  42 #endif
  43 #if LIBAVUTIL_VERSION_INT >= ((50<<16)+(8<<8)+0)
  44 #include <libavutil/pixdesc.h>
  45 #endif
  46
  47 #if LIBAVUTIL_VERSION_INT < (50<<16)
  48 #define PIX_FMT_RGB32 PIX_FMT_RGBA32
  49 #define PIX_FMT_YUYV422 PIX_FMT_YUV422
  50 #endif
  51
  52 #if LIBAVCODEC_VERSION_MAJOR > 52
  53 #include <libavutil/opt.h>
  54 #define CODEC_TYPE_VIDEO      AVMEDIA_TYPE_VIDEO
  55 #define CODEC_TYPE_AUDIO      AVMEDIA_TYPE_AUDIO
  56 #define PKT_FLAG_KEY AV_PKT_FLAG_KEY
  57 #else
  58 #include <libavcodec/opt.h>
  59 #endif
  60
  61 #define MAX_AUDIO_STREAMS (8)
  62 #define AUDIO_ENCODE_BUFFER_SIZE (48000 * 2 * MAX_AUDIO_STREAMS)
  63 #define AUDIO_BUFFER_SIZE (1024 * 42)
  64 #define VIDEO_BUFFER_SIZE (2048 * 1024)
  65
  66 void avformat_lock( );
  67 void avformat_unlock( );
  68
  69 //
  70 // This structure should be extended and made globally available in mlt
  71 //
  72
  73 typedef struct
  74 {
  75         int16_t *buffer;
  76         int size;
  77         int used;
  78         double time;
  79         int frequency;
  80         int channels;
  81 }
  82 *sample_fifo, sample_fifo_s;
  83
  84 sample_fifo sample_fifo_init( int frequency, int channels )
  85 {
  86         sample_fifo fifo = calloc( 1, sizeof( sample_fifo_s ) );
  87         fifo->frequency = frequency;
  88         fifo->channels = channels;
  89         return fifo;
  90 }
  91
  92 // sample_fifo_clear and check are temporarily aborted (not working as intended)
  93
  94 void sample_fifo_clear( sample_fifo fifo, double time )
  95 {
  96         int words = ( float )( time - fifo->time ) * fifo->frequency * fifo->channels;
  97         if ( ( int )( ( float )time * 100 ) < ( int )( ( float )fifo->time * 100 ) && fifo->used > words && words > 0 )
  98         {
  99                 memmove( fifo->buffer, &fifo->buffer[ words ], ( fifo->used - words ) * sizeof( int16_t ) );
 100                 fifo->used -= words;
 101                 fifo->time = time;
 102         }
 103         else if ( ( int )( ( float )time * 100 ) != ( int )( ( float )fifo->time * 100 ) )
 104         {
 105                 fifo->used = 0;
 106                 fifo->time = time;
 107         }
 108 }
 109
 110 void sample_fifo_check( sample_fifo fifo, double time )
 111 {
 112         if ( fifo->used == 0 )
 113         {
 114                 if ( ( int )( ( float )time * 100 ) < ( int )( ( float )fifo->time * 100 ) )
 115                         fifo->time = time;
 116         }
 117 }
 118
 119 void sample_fifo_append( sample_fifo fifo, int16_t *samples, int count )
 120 {
 121         if ( ( fifo->size - fifo->used ) < count )
 122         {
 123                 fifo->size += count * 5;
 124                 fifo->buffer = realloc( fifo->buffer, fifo->size * sizeof( int16_t ) );
 125         }
 126
 127         memcpy( &fifo->buffer[ fifo->used ], samples, count * sizeof( int16_t ) );
 128         fifo->used += count;
 129 }
 130
 131 int sample_fifo_used( sample_fifo fifo )
 132 {
 133         return fifo->used;
 134 }
 135
 136 int sample_fifo_fetch( sample_fifo fifo, int16_t *samples, int count )
 137 {
 138         if ( count > fifo->used )
 139                 count = fifo->used;
 140
 141         memcpy( samples, fifo->buffer, count * sizeof( int16_t ) );
 142         fifo->used -= count;
 143         memmove( fifo->buffer, &fifo->buffer[ count ], fifo->used * sizeof( int16_t ) );
 144
 145         fifo->time += ( double )count / fifo->channels / fifo->frequency;
 146
 147         return count;
 148 }
 149
 150 void sample_fifo_close( sample_fifo fifo )
 151 {
 152         free( fifo->buffer );
 153         free( fifo );
 154 }
 155
 156 // Forward references.
 157 static int consumer_start( mlt_consumer consumer );
 158 static int consumer_stop( mlt_consumer consumer );
 159 static int consumer_is_stopped( mlt_consumer consumer );
 160 static void *consumer_thread( void *arg );
 161 static void consumer_close( mlt_consumer consumer );
 162
 163 /** Initialise the consumer.
 164 */
 165
 166 mlt_consumer consumer_avformat_init( mlt_profile profile, char *arg )
 167 {
 168         // Allocate the consumer
 169         mlt_consumer consumer = mlt_consumer_new( profile );
 170
 171         // If memory allocated and initialises without error
 172         if ( consumer != NULL )
 173         {
 174                 // Get properties from the consumer
 175                 mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
 176
 177                 // Assign close callback
 178                 consumer->close = consumer_close;
 179
 180                 // Interpret the argument
 181                 if ( arg != NULL )
 182                         mlt_properties_set( properties, "target", arg );
 183
 184                 // sample and frame queue
 185                 mlt_properties_set_data( properties, "frame_queue", mlt_deque_init( ), 0, ( mlt_destructor )mlt_deque_close, NULL );
 186
 187                 // Audio options not fully handled by AVOptions
 188 #define QSCALE_NONE (-99999)
 189                 mlt_properties_set_int( properties, "aq", QSCALE_NONE );
 190
 191                 // Video options not fully handled by AVOptions
 192                 mlt_properties_set_int( properties, "dc", 8 );
 193
 194                 // Muxer options not fully handled by AVOptions
 195                 mlt_properties_set_double( properties, "muxdelay", 0.7 );
 196                 mlt_properties_set_double( properties, "muxpreload", 0.5 );
 197
 198                 // Ensure termination at end of the stream
 199                 mlt_properties_set_int( properties, "terminate_on_pause", 1 );
 200
 201                 // Default to separate processing threads for producer and consumer with no frame dropping!
 202                 mlt_properties_set_int( properties, "real_time", -1 );
 203                 mlt_properties_set_int( properties, "prefill", 1 );
 204
 205                 // Set up start/stop/terminated callbacks
 206                 consumer->start = consumer_start;
 207                 consumer->stop = consumer_stop;
 208                 consumer->is_stopped = consumer_is_stopped;
 209
 210                 mlt_events_register( properties, "consumer-fatal-error", NULL );
 211         }
 212
 213         // Return consumer
 214         return consumer;
 215 }
 216
 217 /** Start the consumer.
 218 */
 219
 220 static int consumer_start( mlt_consumer consumer )
 221 {
 222         // Get the properties
 223         mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
 224         int error = 0;
 225
 226         // Report information about available muxers and codecs as YAML Tiny
 227         char *s = mlt_properties_get( properties, "f" );
 228         if ( s && strcmp( s, "list" ) == 0 )
 229         {
 230                 mlt_properties doc = mlt_properties_new();
 231                 mlt_properties formats = mlt_properties_new();
 232                 char key[20];
 233                 AVOutputFormat *format = NULL;
 234
 235                 mlt_properties_set_data( properties, "f", formats, 0, (mlt_destructor) mlt_properties_close, NULL );
 236                 mlt_properties_set_data( doc, "formats", formats, 0, NULL, NULL );
 237                 while ( ( format = av_oformat_next( format ) ) )
 238                 {
 239                         snprintf( key, sizeof(key), "%d", mlt_properties_count( formats ) );
 240                         mlt_properties_set( formats, key, format->name );
 241                 }
 242                 fprintf( stdout, "%s", mlt_properties_serialise_yaml( doc ) );
 243                 mlt_properties_close( doc );
 244                 error = 1;
 245         }
 246         s = mlt_properties_get( properties, "acodec" );
 247         if ( s && strcmp( s, "list" ) == 0 )
 248         {
 249                 mlt_properties doc = mlt_properties_new();
 250                 mlt_properties codecs = mlt_properties_new();
 251                 char key[20];
 252                 AVCodec *codec = NULL;
 253
 254                 mlt_properties_set_data( properties, "acodec", codecs, 0, (mlt_destructor) mlt_properties_close, NULL );
 255                 mlt_properties_set_data( doc, "audio_codecs", codecs, 0, NULL, NULL );
 256                 while ( ( codec = av_codec_next( codec ) ) )
 257                         if ( codec->encode && codec->type == CODEC_TYPE_AUDIO )
 258                         {
 259                                 snprintf( key, sizeof(key), "%d", mlt_properties_count( codecs ) );
 260                                 mlt_properties_set( codecs, key, codec->name );
 261                         }
 262                 fprintf( stdout, "%s", mlt_properties_serialise_yaml( doc ) );
 263                 mlt_properties_close( doc );
 264                 error = 1;
 265         }
 266         s = mlt_properties_get( properties, "vcodec" );
 267         if ( s && strcmp( s, "list" ) == 0 )
 268         {
 269                 mlt_properties doc = mlt_properties_new();
 270                 mlt_properties codecs = mlt_properties_new();
 271                 char key[20];
 272                 AVCodec *codec = NULL;
 273
 274                 mlt_properties_set_data( properties, "vcodec", codecs, 0, (mlt_destructor) mlt_properties_close, NULL );
 275                 mlt_properties_set_data( doc, "video_codecs", codecs, 0, NULL, NULL );
 276                 while ( ( codec = av_codec_next( codec ) ) )
 277                         if ( codec->encode && codec->type == CODEC_TYPE_VIDEO )
 278                         {
 279                                 snprintf( key, sizeof(key), "%d", mlt_properties_count( codecs ) );
 280                                 mlt_properties_set( codecs, key, codec->name );
 281                         }
 282                 fprintf( stdout, "%s", mlt_properties_serialise_yaml( doc ) );
 283                 mlt_properties_close( doc );
 284                 error = 1;
 285         }
 286
 287         // Check that we're not already running
 288         if ( !error && !mlt_properties_get_int( properties, "running" ) )
 289         {
 290                 // Allocate a thread
 291                 pthread_t *thread = calloc( 1, sizeof( pthread_t ) );
 292
 293                 // Get the width and height
 294                 int width = mlt_properties_get_int( properties, "width" );
 295                 int height = mlt_properties_get_int( properties, "height" );
 296
 297                 // Obtain the size property
 298                 char *size = mlt_properties_get( properties, "s" );
 299
 300                 // Interpret it
 301                 if ( size != NULL )
 302                 {
 303                         int tw, th;
 304                         if ( sscanf( size, "%dx%d", &tw, &th ) == 2 && tw > 0 && th > 0 )
 305                         {
 306                                 width = tw;
 307                                 height = th;
 308                         }
 309                         else
 310                         {
 311                                 mlt_log_warning( MLT_CONSUMER_SERVICE( consumer ), "Invalid size property %s - ignoring.\n", size );
 312                         }
 313                 }
 314
 315                 // Now ensure we honour the multiple of two requested by libavformat
 316                 width = ( width / 2 ) * 2;
 317                 height = ( height / 2 ) * 2;
 318                 mlt_properties_set_int( properties, "width", width );
 319                 mlt_properties_set_int( properties, "height", height );
 320
 321                 // We need to set these on the profile as well because the s property is
 322                 // an alias to mlt properties that correspond to profile settings.
 323                 mlt_profile profile = mlt_service_profile( MLT_CONSUMER_SERVICE( consumer ) );
 324                 if ( profile )
 325                 {
 326                         profile->width = width;
 327                         profile->height = height;
 328                 }
 329
 330                 // Handle the ffmpeg command line "-r" property for frame rate
 331                 if ( mlt_properties_get( properties, "r" ) )
 332                 {
 333                         double frame_rate = mlt_properties_get_double( properties, "r" );
 334                         AVRational rational = av_d2q( frame_rate, 255 );
 335                         mlt_properties_set_int( properties, "frame_rate_num", rational.num );
 336                         mlt_properties_set_int( properties, "frame_rate_den", rational.den );
 337                         if ( profile )
 338                         {
 339                                 profile->frame_rate_num = rational.num;
 340                                 profile->frame_rate_den = rational.den;
 341                                 mlt_properties_set_double( properties, "fps", mlt_profile_fps( profile ) );
 342                         }
 343                 }
 344
 345                 // Apply AVOptions that are synonyms for standard mlt_consumer options
 346                 if ( mlt_properties_get( properties, "ac" ) )
 347                         mlt_properties_set_int( properties, "channels", mlt_properties_get_int( properties, "ac" ) );
 348                 if ( mlt_properties_get( properties, "ar" ) )
 349                         mlt_properties_set_int( properties, "frequency", mlt_properties_get_int( properties, "ar" ) );
 350
 351                 // Assign the thread to properties
 352                 mlt_properties_set_data( properties, "thread", thread, sizeof( pthread_t ), free, NULL );
 353
 354                 // Set the running state
 355                 mlt_properties_set_int( properties, "running", 1 );
 356
 357                 // Create the thread
 358                 pthread_create( thread, NULL, consumer_thread, consumer );
 359         }
 360         return error;
 361 }
 362
 363 /** Stop the consumer.
 364 */
 365
 366 static int consumer_stop( mlt_consumer consumer )
 367 {
 368         // Get the properties
 369         mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
 370
 371         // Check that we're running
 372         if ( mlt_properties_get_int( properties, "running" ) )
 373         {
 374                 // Get the thread
 375                 pthread_t *thread = mlt_properties_get_data( properties, "thread", NULL );
 376
 377                 // Stop the thread
 378                 mlt_properties_set_int( properties, "running", 0 );
 379
 380                 // Wait for termination
 381                 pthread_join( *thread, NULL );
 382         }
 383
 384         return 0;
 385 }
 386
 387 /** Determine if the consumer is stopped.
 388 */
 389
 390 static int consumer_is_stopped( mlt_consumer consumer )
 391 {
 392         // Get the properties
 393         mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
 394         return !mlt_properties_get_int( properties, "running" );
 395 }
 396
 397 /** Process properties as AVOptions and apply to AV context obj
 398 */
 399
 400 static void apply_properties( void *obj, mlt_properties properties, int flags )
 401 {
 402         int i;
 403         int count = mlt_properties_count( properties );
 404         int alloc = 1;
 405
 406         for ( i = 0; i < count; i++ )
 407         {
 408                 const char *opt_name = mlt_properties_get_name( properties, i );
 409                 const AVOption *opt = av_find_opt( obj, opt_name, NULL, flags, flags );
 410
 411                 if ( opt != NULL )
 412 #if LIBAVCODEC_VERSION_INT >= ((52<<16)+(7<<8)+0)
 413                         av_set_string3( obj, opt_name, mlt_properties_get_value( properties, i), alloc, NULL );
 414 #elif LIBAVCODEC_VERSION_INT >= ((51<<16)+(59<<8)+0)
 415                         av_set_string2( obj, opt_name, mlt_properties_get_value( properties, i), alloc );
 416 #else
 417                         av_set_string( obj, opt_name, mlt_properties_get_value( properties, i) );
 418 #endif
 419         }
 420 }
 421
 422 /** Add an audio output stream
 423 */
 424
 425 static AVStream *add_audio_stream( mlt_consumer consumer, AVFormatContext *oc, int codec_id, int channels )
 426 {
 427         // Get the properties
 428         mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
 429
 430         // Create a new stream
 431         AVStream *st = av_new_stream( oc, oc->nb_streams );
 432
 433         // If created, then initialise from properties
 434         if ( st != NULL )
 435         {
 436                 AVCodecContext *c = st->codec;
 437
 438                 // Establish defaults from AVOptions
 439                 avcodec_get_context_defaults2( c, CODEC_TYPE_AUDIO );
 440
 441                 c->codec_id = codec_id;
 442                 c->codec_type = CODEC_TYPE_AUDIO;
 443                 c->sample_fmt = SAMPLE_FMT_S16;
 444
 445 #if 0 // disabled until some audio codecs are multi-threaded
 446                 // Setup multi-threading
 447                 int thread_count = mlt_properties_get_int( properties, "threads" );
 448                 if ( thread_count == 0 && getenv( "MLT_AVFORMAT_THREADS" ) )
 449                         thread_count = atoi( getenv( "MLT_AVFORMAT_THREADS" ) );
 450                 if ( thread_count > 1 )
 451                         c->thread_count = thread_count;
 452 #endif
 453
 454                 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
 455                         c->flags |= CODEC_FLAG_GLOBAL_HEADER;
 456
 457                 // Allow the user to override the audio fourcc
 458                 if ( mlt_properties_get( properties, "atag" ) )
 459                 {
 460                         char *tail = NULL;
 461                         char *arg = mlt_properties_get( properties, "atag" );
 462                         int tag = strtol( arg, &tail, 0);
 463                         if( !tail || *tail )
 464                                 tag = arg[ 0 ] + ( arg[ 1 ] << 8 ) + ( arg[ 2 ] << 16 ) + ( arg[ 3 ] << 24 );
 465                         c->codec_tag = tag;
 466                 }
 467
 468                 // Process properties as AVOptions
 469                 char *apre = mlt_properties_get( properties, "apre" );
 470                 if ( apre )
 471                 {
 472                         mlt_properties p = mlt_properties_load( apre );
 473                         apply_properties( c, p, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM );
 474                         mlt_properties_close( p );
 475                 }
 476                 apply_properties( c, properties, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM );
 477
 478                 int audio_qscale = mlt_properties_get_int( properties, "aq" );
 479         if ( audio_qscale > QSCALE_NONE )
 480                 {
 481                         c->flags |= CODEC_FLAG_QSCALE;
 482                         c->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
 483                 }
 484
 485                 // Set parameters controlled by MLT
 486                 c->sample_rate = mlt_properties_get_int( properties, "frequency" );
 487                 c->time_base = ( AVRational ){ 1, c->sample_rate };
 488                 c->channels = channels;
 489
 490                 if ( mlt_properties_get( properties, "alang" ) != NULL )
 491 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(43<<8)+0)
 492                         av_metadata_set2( &oc->metadata, "language", mlt_properties_get( properties, "alang" ), 0 );
 493 #else
 494
 495                         strncpy( st->language, mlt_properties_get( properties, "alang" ), sizeof( st->language ) );
 496 #endif
 497         }
 498         else
 499         {
 500                 mlt_log_error( MLT_CONSUMER_SERVICE( consumer ), "Could not allocate a stream for audio\n" );
 501         }
 502
 503         return st;
 504 }
 505
 506 static int open_audio( mlt_properties properties, AVFormatContext *oc, AVStream *st, int audio_outbuf_size, const char *codec_name )
 507 {
 508         // We will return the audio input size from here
 509         int audio_input_frame_size = 0;
 510
 511         // Get the context
 512         AVCodecContext *c = st->codec;
 513
 514         // Find the encoder
 515         AVCodec *codec;
 516         if ( codec_name )
 517                 codec = avcodec_find_encoder_by_name( codec_name );
 518         else
 519                 codec = avcodec_find_encoder( c->codec_id );
 520
 521 #if LIBAVCODEC_VERSION_MAJOR > 52
 522         // Process properties as AVOptions on the AVCodec
 523         if ( codec && codec->priv_class )
 524         {
 525                 char *apre = mlt_properties_get( properties, "apre" );
 526                 if ( !c->priv_data && codec->priv_data_size )
 527                 {
 528                         c->priv_data = av_mallocz( codec->priv_data_size );
 529                         *(const AVClass **) c->priv_data = codec->priv_class;
 530 //                      av_opt_set_defaults( c );
 531                 }
 532                 if ( apre )
 533                 {
 534                         mlt_properties p = mlt_properties_load( apre );
 535                         apply_properties( c->priv_data, p, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM );
 536                         mlt_properties_close( p );
 537                 }
 538                 apply_properties( c->priv_data, properties, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM );
 539         }
 540 #endif
 541
 542         avformat_lock();
 543
 544         // Continue if codec found and we can open it
 545         if ( codec != NULL && avcodec_open( c, codec ) >= 0 )
 546         {
 547                 // ugly hack for PCM codecs (will be removed ASAP with new PCM
 548                 // support to compute the input frame size in samples
 549                 if ( c->frame_size <= 1 )
 550                 {
 551                         audio_input_frame_size = audio_outbuf_size / c->channels;
 552                         switch(st->codec->codec_id)
 553                         {
 554                                 case CODEC_ID_PCM_S16LE:
 555                                 case CODEC_ID_PCM_S16BE:
 556                                 case CODEC_ID_PCM_U16LE:
 557                                 case CODEC_ID_PCM_U16BE:
 558                                         audio_input_frame_size >>= 1;
 559                                         break;
 560                                 default:
 561                                         break;
 562                         }
 563                 }
 564                 else
 565                 {
 566                         audio_input_frame_size = c->frame_size;
 567                 }
 568
 569                 // Some formats want stream headers to be seperate (hmm)
 570                 if ( !strcmp( oc->oformat->name, "mp4" ) ||
 571                          !strcmp( oc->oformat->name, "mov" ) ||
 572                          !strcmp( oc->oformat->name, "3gp" ) )
 573                         c->flags |= CODEC_FLAG_GLOBAL_HEADER;
 574         }
 575         else
 576         {
 577                 mlt_log_warning( NULL, "%s: Unable to encode audio - disabling audio output.\n", __FILE__ );
 578         }
 579
 580         avformat_unlock();
 581
 582         return audio_input_frame_size;
 583 }
 584
 585 static void close_audio( AVFormatContext *oc, AVStream *st )
 586 {
 587         if ( st && st->codec )
 588         {
 589                 avformat_lock();
 590                 avcodec_close( st->codec );
 591                 avformat_unlock();
 592         }
 593 }
 594
 595 /** Add a video output stream
 596 */
 597
 598 static AVStream *add_video_stream( mlt_consumer consumer, AVFormatContext *oc, int codec_id )
 599 {
 600         // Get the properties
 601         mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
 602
 603         // Create a new stream
 604         AVStream *st = av_new_stream( oc, oc->nb_streams );
 605
 606         if ( st != NULL )
 607         {
 608                 char *pix_fmt = mlt_properties_get( properties, "pix_fmt" );
 609                 AVCodecContext *c = st->codec;
 610
 611                 // Establish defaults from AVOptions
 612                 avcodec_get_context_defaults2( c, CODEC_TYPE_VIDEO );
 613
 614                 c->codec_id = codec_id;
 615                 c->codec_type = CODEC_TYPE_VIDEO;
 616
 617                 // Setup multi-threading
 618                 int thread_count = mlt_properties_get_int( properties, "threads" );
 619                 if ( thread_count == 0 && getenv( "MLT_AVFORMAT_THREADS" ) )
 620                         thread_count = atoi( getenv( "MLT_AVFORMAT_THREADS" ) );
 621                 if ( thread_count > 1 )
 622                         c->thread_count = thread_count;
 623
 624                 // Process properties as AVOptions
 625                 char *vpre = mlt_properties_get( properties, "vpre" );
 626                 if ( vpre )
 627                 {
 628                         mlt_properties p = mlt_properties_load( vpre );
 629 #ifdef AVDATADIR
 630                         if ( mlt_properties_count( p ) < 1 )
 631                         {
 632                                 AVCodec *codec = avcodec_find_encoder( c->codec_id );
 633                                 if ( codec )
 634                                 {
 635                                         char *path = malloc( strlen(AVDATADIR) + strlen(codec->name) + strlen(vpre) + strlen(".ffpreset") + 2 );
 636                                         strcpy( path, AVDATADIR );
 637                                         strcat( path, codec->name );
 638                                         strcat( path, "-" );
 639                                         strcat( path, vpre );
 640                                         strcat( path, ".ffpreset" );
 641
 642                                         mlt_properties_close( p );
 643                                         p = mlt_properties_load( path );
 644                                         mlt_properties_debug( p, path, stderr );
 645                                         free( path );
 646                                 }
 647                         }
 648                         else
 649                         {
 650                                 mlt_properties_debug( p, vpre, stderr );
 651                         }
 652 #endif
 653                         apply_properties( c, p, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM );
 654                         mlt_properties_close( p );
 655                 }
 656                 int colorspace = mlt_properties_get_int( properties, "colorspace" );
 657                 mlt_properties_set( properties, "colorspace", NULL );
 658                 apply_properties( c, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM );
 659                 mlt_properties_set_int( properties, "colorspace", colorspace );
 660
 661                 // Set options controlled by MLT
 662                 c->width = mlt_properties_get_int( properties, "width" );
 663                 c->height = mlt_properties_get_int( properties, "height" );
 664                 c->time_base.num = mlt_properties_get_int( properties, "frame_rate_den" );
 665                 c->time_base.den = mlt_properties_get_int( properties, "frame_rate_num" );
 666                 if ( st->time_base.den == 0 )
 667                         st->time_base = c->time_base;
 668 #if LIBAVUTIL_VERSION_INT >= ((50<<16)+(8<<8)+0)
 669                 c->pix_fmt = pix_fmt ? av_get_pix_fmt( pix_fmt ) : PIX_FMT_YUV420P;
 670 #else
 671                 c->pix_fmt = pix_fmt ? avcodec_get_pix_fmt( pix_fmt ) : PIX_FMT_YUV420P;
 672 #endif
 673
 674 #if LIBAVCODEC_VERSION_INT > ((52<<16)+(28<<8)+0)
 675                 switch ( colorspace )
 676                 {
 677                 case 170:
 678                         c->colorspace = AVCOL_SPC_SMPTE170M;
 679                         break;
 680                 case 240:
 681                         c->colorspace = AVCOL_SPC_SMPTE240M;
 682                         break;
 683                 case 470:
 684                         c->colorspace = AVCOL_SPC_BT470BG;
 685                         break;
 686                 case 601:
 687                         c->colorspace = ( 576 % c->height ) ? AVCOL_SPC_SMPTE170M : AVCOL_SPC_BT470BG;
 688                         break;
 689                 case 709:
 690                         c->colorspace = AVCOL_SPC_BT709;
 691                         break;
 692                 }
 693 #endif
 694
 695                 if ( mlt_properties_get( properties, "aspect" ) )
 696                 {
 697                         // "-aspect" on ffmpeg command line is display aspect ratio
 698                         double ar = mlt_properties_get_double( properties, "aspect" );
 699                         AVRational rational = av_d2q( ar, 255 );
 700
 701                         // Update the profile and properties as well since this is an alias
 702                         // for mlt properties that correspond to profile settings
 703                         mlt_properties_set_int( properties, "display_aspect_num", rational.num );
 704                         mlt_properties_set_int( properties, "display_aspect_den", rational.den );
 705                         mlt_profile profile = mlt_service_profile( MLT_CONSUMER_SERVICE( consumer ) );
 706                         if ( profile )
 707                         {
 708                                 profile->display_aspect_num = rational.num;
 709                                 profile->display_aspect_den = rational.den;
 710                                 mlt_properties_set_double( properties, "display_ratio", mlt_profile_dar( profile ) );
 711                         }
 712
 713                         // Now compute the sample aspect ratio
 714                         rational = av_d2q( ar * c->height / c->width, 255 );
 715                         c->sample_aspect_ratio = rational;
 716                         // Update the profile and properties as well since this is an alias
 717                         // for mlt properties that correspond to profile settings
 718                         mlt_properties_set_int( properties, "sample_aspect_num", rational.num );
 719                         mlt_properties_set_int( properties, "sample_aspect_den", rational.den );
 720                         if ( profile )
 721                         {
 722                                 profile->sample_aspect_num = rational.num;
 723                                 profile->sample_aspect_den = rational.den;
 724                                 mlt_properties_set_double( properties, "aspect_ratio", mlt_profile_sar( profile ) );
 725                         }
 726                 }
 727                 else
 728                 {
 729                         c->sample_aspect_ratio.num = mlt_properties_get_int( properties, "sample_aspect_num" );
 730                         c->sample_aspect_ratio.den = mlt_properties_get_int( properties, "sample_aspect_den" );
 731                 }
 732 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
 733                 st->sample_aspect_ratio = c->sample_aspect_ratio;
 734 #endif
 735
 736                 if ( mlt_properties_get_double( properties, "qscale" ) > 0 )
 737                 {
 738                         c->flags |= CODEC_FLAG_QSCALE;
 739                         st->quality = FF_QP2LAMBDA * mlt_properties_get_double( properties, "qscale" );
 740                 }
 741
 742                 // Allow the user to override the video fourcc
 743                 if ( mlt_properties_get( properties, "vtag" ) )
 744                 {
 745                         char *tail = NULL;
 746                         const char *arg = mlt_properties_get( properties, "vtag" );
 747                         int tag = strtol( arg, &tail, 0);
 748                         if( !tail || *tail )
 749                                 tag = arg[ 0 ] + ( arg[ 1 ] << 8 ) + ( arg[ 2 ] << 16 ) + ( arg[ 3 ] << 24 );
 750                         c->codec_tag = tag;
 751                 }
 752
 753                 // Some formats want stream headers to be seperate
 754                 if ( oc->oformat->flags & AVFMT_GLOBALHEADER )
 755                         c->flags |= CODEC_FLAG_GLOBAL_HEADER;
 756
 757                 // Translate these standard mlt consumer properties to ffmpeg
 758                 if ( mlt_properties_get_int( properties, "progressive" ) == 0 &&
 759                      mlt_properties_get_int( properties, "deinterlace" ) == 0 )
 760                 {
 761                         if ( ! mlt_properties_get( properties, "ildct" ) || mlt_properties_get_int( properties, "ildct" ) )
 762                                 c->flags |= CODEC_FLAG_INTERLACED_DCT;
 763                         if ( ! mlt_properties_get( properties, "ilme" ) || mlt_properties_get_int( properties, "ilme" ) )
 764                                 c->flags |= CODEC_FLAG_INTERLACED_ME;
 765                 }
 766
 767                 // parse the ratecontrol override string
 768                 int i;
 769                 char *rc_override = mlt_properties_get( properties, "rc_override" );
 770                 for ( i = 0; rc_override; i++ )
 771                 {
 772                         int start, end, q;
 773                         int e = sscanf( rc_override, "%d,%d,%d", &start, &end, &q );
 774                         if ( e != 3 )
 775                                 mlt_log_warning( MLT_CONSUMER_SERVICE( consumer ), "Error parsing rc_override\n" );
 776                         c->rc_override = av_realloc( c->rc_override, sizeof( RcOverride ) * ( i + 1 ) );
 777                         c->rc_override[i].start_frame = start;
 778                         c->rc_override[i].end_frame = end;
 779                         if ( q > 0 )
 780                         {
 781                                 c->rc_override[i].qscale = q;
 782                                 c->rc_override[i].quality_factor = 1.0;
 783                         }
 784                         else
 785                         {
 786                                 c->rc_override[i].qscale = 0;
 787                                 c->rc_override[i].quality_factor = -q / 100.0;
 788                         }
 789                         rc_override = strchr( rc_override, '/' );
 790                         if ( rc_override )
 791                                 rc_override++;
 792                 }
 793                 c->rc_override_count = i;
 794                 if ( !c->rc_initial_buffer_occupancy )
 795                         c->rc_initial_buffer_occupancy = c->rc_buffer_size * 3/4;
 796                 c->intra_dc_precision = mlt_properties_get_int( properties, "dc" ) - 8;
 797
 798                 // Setup dual-pass
 799                 i = mlt_properties_get_int( properties, "pass" );
 800                 if ( i == 1 )
 801                         c->flags |= CODEC_FLAG_PASS1;
 802                 else if ( i == 2 )
 803                         c->flags |= CODEC_FLAG_PASS2;
 804                 if ( codec_id != CODEC_ID_H264 && ( c->flags & ( CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2 ) ) )
 805                 {
 806                         char logfilename[1024];
 807                         FILE *f;
 808                         int size;
 809                         char *logbuffer;
 810
 811                         snprintf( logfilename, sizeof(logfilename), "%s_2pass.log",
 812                                 mlt_properties_get( properties, "passlogfile" ) ? mlt_properties_get( properties, "passlogfile" ) : mlt_properties_get( properties, "target" ) );
 813                         if ( c->flags & CODEC_FLAG_PASS1 )
 814                         {
 815                                 f = fopen( logfilename, "w" );
 816                                 if ( !f )
 817                                         perror( logfilename );
 818                                 else
 819                                         mlt_properties_set_data( properties, "_logfile", f, 0, ( mlt_destructor )fclose, NULL );
 820                         }
 821                         else
 822                         {
 823                                 /* read the log file */
 824                                 f = fopen( logfilename, "r" );
 825                                 if ( !f )
 826                                 {
 827                                         perror(logfilename);
 828                                 }
 829                                 else
 830                                 {
 831                                         mlt_properties_set( properties, "_logfilename", logfilename );
 832                                         fseek( f, 0, SEEK_END );
 833                                         size = ftell( f );
 834                                         fseek( f, 0, SEEK_SET );
 835                                         logbuffer = av_malloc( size + 1 );
 836                                         if ( !logbuffer )
 837                                                 mlt_log_fatal( MLT_CONSUMER_SERVICE( consumer ), "Could not allocate log buffer\n" );
 838                                         else
 839                                         {
 840                                                 size = fread( logbuffer, 1, size, f );
 841                                                 fclose( f );
 842                                                 logbuffer[size] = '\0';
 843                                                 c->stats_in = logbuffer;
 844                                                 mlt_properties_set_data( properties, "_logbuffer", logbuffer, 0, ( mlt_destructor )av_free, NULL );
 845                                         }
 846                                 }
 847                         }
 848                 }
 849         }
 850         else
 851         {
 852                 mlt_log_error( MLT_CONSUMER_SERVICE( consumer ), "Could not allocate a stream for video\n" );
 853         }
 854
 855         return st;
 856 }
 857
 858 static AVFrame *alloc_picture( int pix_fmt, int width, int height )
 859 {
 860         // Allocate a frame
 861         AVFrame *picture = avcodec_alloc_frame();
 862
 863         // Determine size of the
 864         int size = avpicture_get_size(pix_fmt, width, height);
 865
 866         // Allocate the picture buf
 867         uint8_t *picture_buf = av_malloc(size);
 868
 869         // If we have both, then fill the image
 870         if ( picture != NULL && picture_buf != NULL )
 871         {
 872                 // Fill the frame with the allocated buffer
 873                 avpicture_fill( (AVPicture *)picture, picture_buf, pix_fmt, width, height);
 874         }
 875         else
 876         {
 877                 // Something failed - clean up what we can
 878                 av_free( picture );
 879                 av_free( picture_buf );
 880                 picture = NULL;
 881         }
 882
 883         return picture;
 884 }
 885
 886 static int open_video( mlt_properties properties, AVFormatContext *oc, AVStream *st, const char *codec_name )
 887 {
 888         // Get the codec
 889         AVCodecContext *video_enc = st->codec;
 890
 891         // find the video encoder
 892         AVCodec *codec;
 893         if ( codec_name )
 894                 codec = avcodec_find_encoder_by_name( codec_name );
 895         else
 896                 codec = avcodec_find_encoder( video_enc->codec_id );
 897
 898 #if LIBAVCODEC_VERSION_MAJOR > 52
 899         // Process properties as AVOptions on the AVCodec
 900         if ( codec && codec->priv_class )
 901         {
 902                 char *vpre = mlt_properties_get( properties, "vpre" );
 903                 if ( !video_enc->priv_data && codec->priv_data_size )
 904                 {
 905                         video_enc->priv_data = av_mallocz( codec->priv_data_size );
 906                         *(const AVClass **) video_enc->priv_data = codec->priv_class;
 907 //                      av_opt_set_defaults( video_enc );
 908                 }
 909                 if ( vpre )
 910                 {
 911                         mlt_properties p = mlt_properties_load( vpre );
 912                         apply_properties( video_enc->priv_data, p, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM );
 913                         mlt_properties_close( p );
 914                 }
 915                 apply_properties( video_enc->priv_data, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM );
 916         }
 917 #endif
 918
 919         if( codec && codec->pix_fmts )
 920         {
 921                 const enum PixelFormat *p = codec->pix_fmts;
 922                 for( ; *p!=-1; p++ )
 923                 {
 924                         if( *p == video_enc->pix_fmt )
 925                                 break;
 926                 }
 927                 if( *p == -1 )
 928                         video_enc->pix_fmt = codec->pix_fmts[ 0 ];
 929         }
 930
 931         // Open the codec safely
 932         avformat_lock();
 933         int result = codec != NULL && avcodec_open( video_enc, codec ) >= 0;
 934         avformat_unlock();
 935
 936         return result;
 937 }
 938
 939 void close_video(AVFormatContext *oc, AVStream *st)
 940 {
 941         if ( st && st->codec )
 942         {
 943                 avformat_lock();
 944                 avcodec_close(st->codec);
 945                 avformat_unlock();
 946         }
 947 }
 948
 949 static inline long time_difference( struct timeval *time1 )
 950 {
 951         struct timeval time2;
 952         gettimeofday( &time2, NULL );
 953         return time2.tv_sec * 1000000 + time2.tv_usec - time1->tv_sec * 1000000 - time1->tv_usec;
 954 }
 955
 956 /** The main thread - the argument is simply the consumer.
 957 */
 958
 959 static void *consumer_thread( void *arg )
 960 {
 961         // Map the argument to the object
 962         mlt_consumer consumer = arg;
 963
 964         // Get the properties
 965         mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
 966
 967         // Get the terminate on pause property
 968         int terminate_on_pause = mlt_properties_get_int( properties, "terminate_on_pause" );
 969         int terminated = 0;
 970
 971         // Determine if feed is slow (for realtime stuff)
 972         int real_time_output = mlt_properties_get_int( properties, "real_time" );
 973
 974         // Time structures
 975         struct timeval ante;
 976
 977         // Get the frame rate
 978         double fps = mlt_properties_get_double( properties, "fps" );
 979
 980         // Get width and height
 981         int width = mlt_properties_get_int( properties, "width" );
 982         int height = mlt_properties_get_int( properties, "height" );
 983         int img_width = width;
 984         int img_height = height;
 985
 986         // Get default audio properties
 987         mlt_audio_format aud_fmt = mlt_audio_s16;
 988         int channels = mlt_properties_get_int( properties, "channels" );
 989         int total_channels = channels;
 990         int frequency = mlt_properties_get_int( properties, "frequency" );
 991         int16_t *pcm = NULL;
 992         int samples = 0;
 993
 994         // AVFormat audio buffer and frame size
 995         int audio_outbuf_size = AUDIO_BUFFER_SIZE;
 996         uint8_t *audio_outbuf = av_malloc( audio_outbuf_size );
 997         int audio_input_frame_size = 0;
 998
 999         // AVFormat video buffer and frame count
1000         int frame_count = 0;
1001         int video_outbuf_size = VIDEO_BUFFER_SIZE;
1002         uint8_t *video_outbuf = av_malloc( video_outbuf_size );
1003
1004         // Used for the frame properties
1005         mlt_frame frame = NULL;
1006         mlt_properties frame_properties = NULL;
1007
1008         // Get the queues
1009         mlt_deque queue = mlt_properties_get_data( properties, "frame_queue", NULL );
1010         sample_fifo fifo = mlt_properties_get_data( properties, "sample_fifo", NULL );
1011
1012         // Need two av pictures for converting
1013         AVFrame *output = NULL;
1014         AVFrame *input = alloc_picture( PIX_FMT_YUYV422, width, height );
1015
1016         // For receiving images from an mlt_frame
1017         uint8_t *image;
1018         mlt_image_format img_fmt = mlt_image_yuv422;
1019
1020         // For receiving audio samples back from the fifo
1021         int16_t *audio_buf_1 = av_malloc( AUDIO_ENCODE_BUFFER_SIZE );
1022         int16_t *audio_buf_2 = NULL;
1023         int count = 0;
1024
1025         // Allocate the context
1026 #if (LIBAVFORMAT_VERSION_INT >= ((52<<16)+(26<<8)+0))
1027         AVFormatContext *oc = avformat_alloc_context( );
1028 #else
1029         AVFormatContext *oc = av_alloc_format_context( );
1030 #endif
1031
1032         // Streams
1033         AVStream *video_st = NULL;
1034         AVStream *audio_st[ MAX_AUDIO_STREAMS ];
1035
1036         // Time stamps
1037         double audio_pts = 0;
1038         double video_pts = 0;
1039
1040         // Frames dispatched
1041         long int frames = 0;
1042         long int total_time = 0;
1043
1044         // Determine the format
1045         AVOutputFormat *fmt = NULL;
1046         const char *filename = mlt_properties_get( properties, "target" );
1047         char *format = mlt_properties_get( properties, "f" );
1048         char *vcodec = mlt_properties_get( properties, "vcodec" );
1049         char *acodec = mlt_properties_get( properties, "acodec" );
1050
1051         // Used to store and override codec ids
1052         int audio_codec_id;
1053         int video_codec_id;
1054
1055         // Misc
1056         char key[27];
1057         mlt_properties frame_meta_properties = mlt_properties_new();
1058
1059         // Initialize audio_st
1060         int i = MAX_AUDIO_STREAMS;
1061         while ( i-- )
1062                 audio_st[i] = NULL;
1063
1064         // Check for user selected format first
1065         if ( format != NULL )
1066 #if LIBAVFORMAT_VERSION_INT < ((52<<16)+(45<<8)+0)
1067                 fmt = guess_format( format, NULL, NULL );
1068 #else
1069                 fmt = av_guess_format( format, NULL, NULL );
1070 #endif
1071
1072         // Otherwise check on the filename
1073         if ( fmt == NULL && filename != NULL )
1074 #if LIBAVFORMAT_VERSION_INT < ((52<<16)+(45<<8)+0)
1075                 fmt = guess_format( NULL, filename, NULL );
1076 #else
1077                 fmt = av_guess_format( NULL, filename, NULL );
1078 #endif
1079
1080         // Otherwise default to mpeg
1081         if ( fmt == NULL )
1082 #if LIBAVFORMAT_VERSION_INT < ((52<<16)+(45<<8)+0)
1083                 fmt = guess_format( "mpeg", NULL, NULL );
1084 #else
1085                 fmt = av_guess_format( "mpeg", NULL, NULL );
1086 #endif
1087
1088         // We need a filename - default to stdout?
1089         if ( filename == NULL || !strcmp( filename, "" ) )
1090                 filename = "pipe:";
1091
1092         // Get the codec ids selected
1093         audio_codec_id = fmt->audio_codec;
1094         video_codec_id = fmt->video_codec;
1095
1096         // Check for audio codec overides
1097         if ( ( acodec && strcmp( acodec, "none" ) == 0 ) || mlt_properties_get_int( properties, "an" ) )
1098                 audio_codec_id = CODEC_ID_NONE;
1099         else if ( acodec )
1100         {
1101                 AVCodec *p = avcodec_find_encoder_by_name( acodec );
1102                 if ( p != NULL )
1103                 {
1104                         audio_codec_id = p->id;
1105                         if ( audio_codec_id == CODEC_ID_AC3 && avcodec_find_encoder_by_name( "ac3_fixed" ) )
1106                         {
1107                                 mlt_properties_set( properties, "_acodec", "ac3_fixed" );
1108                                 acodec = mlt_properties_get( properties, "_acodec" );
1109                         }
1110                 }
1111                 else
1112                 {
1113                         audio_codec_id = CODEC_ID_NONE;
1114                         mlt_log_warning( MLT_CONSUMER_SERVICE( consumer ), "audio codec %s unrecognised - ignoring\n", acodec );
1115                 }
1116         }
1117
1118         // Check for video codec overides
1119         if ( ( vcodec && strcmp( vcodec, "none" ) == 0 ) || mlt_properties_get_int( properties, "vn" ) )
1120                 video_codec_id = CODEC_ID_NONE;
1121         else if ( vcodec )
1122         {
1123                 AVCodec *p = avcodec_find_encoder_by_name( vcodec );
1124                 if ( p != NULL )
1125                 {
1126                         video_codec_id = p->id;
1127                 }
1128                 else
1129                 {
1130                         video_codec_id = CODEC_ID_NONE;
1131                         mlt_log_warning( MLT_CONSUMER_SERVICE( consumer ), "video codec %s unrecognised - ignoring\n", vcodec );
1132                 }
1133         }
1134
1135         // Write metadata
1136 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(31<<8)+0)
1137         for ( i = 0; i < mlt_properties_count( properties ); i++ )
1138         {
1139                 char *name = mlt_properties_get_name( properties, i );
1140                 if ( name && !strncmp( name, "meta.attr.", 10 ) )
1141                 {
1142                         char *key = strdup( name + 10 );
1143                         char *markup = strrchr( key, '.' );
1144                         if ( markup && !strcmp( markup, ".markup") )
1145                         {
1146                                 markup[0] = '\0';
1147                                 if ( !strstr( key, ".stream." ) )
1148 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(43<<8)+0)
1149                                         av_metadata_set2( &oc->metadata, key, mlt_properties_get_value( properties, i ), 0 );
1150 #else
1151                                         av_metadata_set( &oc->metadata, key, mlt_properties_get_value( properties, i ) );
1152 #endif
1153                         }
1154                         free( key );
1155                 }
1156         }
1157 #else
1158         char *tmp = NULL;
1159         int metavalue;
1160
1161         tmp = mlt_properties_get( properties, "meta.attr.title.markup");
1162         if (tmp != NULL) snprintf( oc->title, sizeof(oc->title), "%s", tmp );
1163
1164         tmp = mlt_properties_get( properties, "meta.attr.comment.markup");
1165         if (tmp != NULL) snprintf( oc->comment, sizeof(oc->comment), "%s", tmp );
1166
1167         tmp = mlt_properties_get( properties, "meta.attr.author.markup");
1168         if (tmp != NULL) snprintf( oc->author, sizeof(oc->author), "%s", tmp );
1169
1170         tmp = mlt_properties_get( properties, "meta.attr.copyright.markup");
1171         if (tmp != NULL) snprintf( oc->copyright, sizeof(oc->copyright), "%s", tmp );
1172
1173         tmp = mlt_properties_get( properties, "meta.attr.album.markup");
1174         if (tmp != NULL) snprintf( oc->album, sizeof(oc->album), "%s", tmp );
1175
1176         metavalue = mlt_properties_get_int( properties, "meta.attr.year.markup");
1177         if (metavalue != 0) oc->year = metavalue;
1178
1179         metavalue = mlt_properties_get_int( properties, "meta.attr.track.markup");
1180         if (metavalue != 0) oc->track = metavalue;
1181 #endif
1182
1183         oc->oformat = fmt;
1184         snprintf( oc->filename, sizeof(oc->filename), "%s", filename );
1185
1186         // Add audio and video streams
1187         if ( video_codec_id != CODEC_ID_NONE )
1188                 video_st = add_video_stream( consumer, oc, video_codec_id );
1189         if ( audio_codec_id != CODEC_ID_NONE )
1190         {
1191                 int is_multi = 0;
1192
1193                 total_channels = 0;
1194                 // multitrack audio
1195                 for ( i = 0; i < MAX_AUDIO_STREAMS; i++ )
1196                 {
1197                         sprintf( key, "channels.%d", i );
1198                         int j = mlt_properties_get_int( properties, key );
1199                         if ( j )
1200                         {
1201                                 is_multi = 1;
1202                                 total_channels += j;
1203                                 audio_st[i] = add_audio_stream( consumer, oc, audio_codec_id, j );
1204                         }
1205                 }
1206                 // single track
1207                 if ( !is_multi )
1208                 {
1209                         audio_st[0] = add_audio_stream( consumer, oc, audio_codec_id, channels );
1210                         total_channels = channels;
1211                 }
1212         }
1213
1214         // Set the parameters (even though we have none...)
1215         if ( av_set_parameters(oc, NULL) >= 0 )
1216         {
1217                 oc->preload = ( int )( mlt_properties_get_double( properties, "muxpreload" ) * AV_TIME_BASE );
1218                 oc->max_delay= ( int )( mlt_properties_get_double( properties, "muxdelay" ) * AV_TIME_BASE );
1219
1220                 // Process properties as AVOptions
1221                 char *fpre = mlt_properties_get( properties, "fpre" );
1222                 if ( fpre )
1223                 {
1224                         mlt_properties p = mlt_properties_load( fpre );
1225                         apply_properties( oc, p, AV_OPT_FLAG_ENCODING_PARAM );
1226 #if LIBAVFORMAT_VERSION_MAJOR > 52
1227                         if ( oc->oformat && oc->oformat->priv_class && oc->priv_data )
1228                                 apply_properties( oc->priv_data, p, AV_OPT_FLAG_ENCODING_PARAM );
1229 #endif
1230                         mlt_properties_close( p );
1231                 }
1232                 apply_properties( oc, properties, AV_OPT_FLAG_ENCODING_PARAM );
1233 #if LIBAVFORMAT_VERSION_MAJOR > 52
1234                 if ( oc->oformat && oc->oformat->priv_class && oc->priv_data )
1235                         apply_properties( oc->priv_data, properties, AV_OPT_FLAG_ENCODING_PARAM );
1236 #endif
1237
1238                 if ( video_st && !open_video( properties, oc, video_st, vcodec? vcodec : NULL ) )
1239                         video_st = NULL;
1240                 for ( i = 0; i < MAX_AUDIO_STREAMS && audio_st[i]; i++ )
1241                 {
1242                         audio_input_frame_size = open_audio( properties, oc, audio_st[i], audio_outbuf_size,
1243                                 acodec? acodec : NULL );
1244                         if ( !audio_input_frame_size )
1245                                 audio_st[i] = NULL;
1246                 }
1247
1248                 // Open the output file, if needed
1249                 if ( !( fmt->flags & AVFMT_NOFILE ) )
1250                 {
1251 #if LIBAVFORMAT_VERSION_MAJOR > 52
1252                         if ( avio_open( &oc->pb, filename, AVIO_FLAG_WRITE ) < 0 )
1253 #else
1254                         if ( url_fopen( &oc->pb, filename, URL_WRONLY ) < 0 )
1255 #endif
1256                         {
1257                                 mlt_log_error( MLT_CONSUMER_SERVICE( consumer ), "Could not open '%s'\n", filename );
1258                                 mlt_properties_set_int( properties, "running", 0 );
1259                         }
1260                 }
1261
1262                 // Write the stream header.
1263                 if ( mlt_properties_get_int( properties, "running" ) )
1264                         av_write_header( oc );
1265         }
1266         else
1267         {
1268                 mlt_log_error( MLT_CONSUMER_SERVICE( consumer ), "Invalid output format parameters\n" );
1269                 mlt_properties_set_int( properties, "running", 0 );
1270         }
1271
1272         // Allocate picture
1273         if ( video_st )
1274                 output = alloc_picture( video_st->codec->pix_fmt, width, height );
1275
1276         // Last check - need at least one stream
1277         if ( !audio_st[0] && !video_st )
1278                 mlt_properties_set_int( properties, "running", 0 );
1279
1280         // Get the starting time (can ignore the times above)
1281         gettimeofday( &ante, NULL );
1282
1283         // Loop while running
1284         while( mlt_properties_get_int( properties, "running" ) &&
1285                ( !terminated || ( video_st && mlt_deque_count( queue ) ) ) )
1286         {
1287                 frame = mlt_consumer_rt_frame( consumer );
1288
1289                 // Check that we have a frame to work with
1290                 if ( frame != NULL )
1291                 {
1292                         // Increment frames dispatched
1293                         frames ++;
1294
1295                         // Default audio args
1296                         frame_properties = MLT_FRAME_PROPERTIES( frame );
1297
1298                         // Check for the terminated condition
1299                         terminated = terminate_on_pause && mlt_properties_get_double( frame_properties, "_speed" ) == 0.0;
1300
1301                         // Get audio and append to the fifo
1302                         if ( !terminated && audio_st[0] )
1303                         {
1304                                 samples = mlt_sample_calculator( fps, frequency, count ++ );
1305                                 mlt_frame_get_audio( frame, (void**) &pcm, &aud_fmt, &frequency, &channels, &samples );
1306
1307                                 // Save the audio channel remap properties for later
1308                                 mlt_properties_pass( frame_meta_properties, frame_properties, "meta.map.audio." );
1309
1310                                 // Create the fifo if we don't have one
1311                                 if ( fifo == NULL )
1312                                 {
1313                                         fifo = sample_fifo_init( frequency, channels );
1314                                         mlt_properties_set_data( properties, "sample_fifo", fifo, 0, ( mlt_destructor )sample_fifo_close, NULL );
1315                                 }
1316
1317                                 // Silence if not normal forward speed
1318                                 if ( mlt_properties_get_double( frame_properties, "_speed" ) != 1.0 )
1319                                         memset( pcm, 0, samples * channels * 2 );
1320
1321                                 // Append the samples
1322                                 sample_fifo_append( fifo, pcm, samples * channels );
1323                                 total_time += ( samples * 1000000 ) / frequency;
1324
1325                                 if ( !video_st )
1326                                         mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
1327                         }
1328
1329                         // Encode the image
1330                         if ( !terminated && video_st )
1331                                 mlt_deque_push_back( queue, frame );
1332                         else
1333                                 mlt_frame_close( frame );
1334                 }
1335
1336                 // While we have stuff to process, process...
1337                 while ( 1 )
1338                 {
1339                         // Write interleaved audio and video frames
1340                         if ( !video_st || ( video_st && audio_st[0] && audio_pts < video_pts ) )
1341                         {
1342                                 // Write audio
1343                                 if ( ( video_st && terminated ) || ( channels * audio_input_frame_size ) < sample_fifo_used( fifo ) )
1344                                 {
1345                                         int j = 0; // channel offset into interleaved source buffer
1346                                         int n = FFMIN( FFMIN( channels * audio_input_frame_size, sample_fifo_used( fifo ) ), AUDIO_ENCODE_BUFFER_SIZE );
1347
1348                                         // Get the audio samples
1349                                         if ( n > 0 )
1350                                         {
1351                                                 sample_fifo_fetch( fifo, audio_buf_1, n );
1352                                         }
1353                                         else if ( audio_codec_id == CODEC_ID_VORBIS && terminated )
1354                                         {
1355                                                 // This prevents an infinite loop when some versions of vorbis do not
1356                                                 // increment pts when encoding silence.
1357                                                 audio_pts = video_pts;
1358                                                 break;
1359                                         }
1360                                         else
1361                                         {
1362                                                 memset( audio_buf_1, 0, AUDIO_ENCODE_BUFFER_SIZE );
1363                                         }
1364                                         samples = n / channels;
1365
1366                                         // For each output stream
1367                                         for ( i = 0; i < MAX_AUDIO_STREAMS && audio_st[i] && j < total_channels; i++ )
1368                                         {
1369                                                 AVStream *stream = audio_st[i];
1370                                                 AVCodecContext *codec = stream->codec;
1371                                                 AVPacket pkt;
1372
1373                                                 av_init_packet( &pkt );
1374
1375                                                 // Optimized for single track and no channel remap
1376                                                 if ( !audio_st[1] && !mlt_properties_count( frame_meta_properties ) )
1377                                                 {
1378                                                         pkt.size = avcodec_encode_audio( codec, audio_outbuf, audio_outbuf_size, audio_buf_1 );
1379                                                 }
1380                                                 else
1381                                                 {
1382                                                         // Extract the audio channels according to channel mapping
1383                                                         int dest_offset = 0; // channel offset into interleaved dest buffer
1384
1385                                                         // Get the number of channels for this stream
1386                                                         sprintf( key, "channels.%d", i );
1387                                                         int current_channels = mlt_properties_get_int( properties, key );
1388
1389                                                         // Clear the destination audio buffer.
1390                                                         if ( !audio_buf_2 )
1391                                                                 audio_buf_2 = av_mallocz( AUDIO_ENCODE_BUFFER_SIZE );
1392                                                         else
1393                                                                 memset( audio_buf_2, 0, AUDIO_ENCODE_BUFFER_SIZE );
1394
1395                                                         // For each output channel
1396                                                         while ( dest_offset < current_channels && j < total_channels )
1397                                                         {
1398                                                                 int map_start = -1, map_channels = 0;
1399                                                                 int source_offset = 0;
1400                                                                 int k;
1401
1402                                                                 // Look for a mapping that starts at j
1403                                                                 for ( k = 0; k < (MAX_AUDIO_STREAMS * 2) && map_start != j; k++ )
1404                                                                 {
1405                                                                         sprintf( key, "%d.channels", k );
1406                                                                         map_channels = mlt_properties_get_int( frame_meta_properties, key );
1407                                                                         sprintf( key, "%d.start", k );
1408                                                                         if ( mlt_properties_get( frame_meta_properties, key ) )
1409                                                                                 map_start = mlt_properties_get_int( frame_meta_properties, key );
1410                                                                         if ( map_start != j )
1411                                                                                 source_offset += map_channels;
1412                                                                 }
1413
1414                                                                 // If no mapping
1415                                                                 if ( map_start != j )
1416                                                                 {
1417                                                                         map_channels = current_channels;
1418                                                                         source_offset = j;
1419                                                                 }
1420
1421                                                                 // Copy samples if source offset valid
1422                                                                 if ( source_offset < channels )
1423                                                                 {
1424                                                                         // Interleave the audio buffer with the # channels for this stream/mapping.
1425                                                                         for ( k = 0; k < map_channels; k++, j++, source_offset++, dest_offset++ )
1426                                                                         {
1427                                                                                 int16_t *src = audio_buf_1 + source_offset;
1428                                                                                 int16_t *dest = audio_buf_2 + dest_offset;
1429                                                                                 int s = samples + 1;
1430
1431                                                                                 while ( --s ) {
1432                                                                                         *dest = *src;
1433                                                                                         dest += current_channels;
1434                                                                                         src += channels;
1435                                                                                 }
1436                                                                         }
1437                                                                 }
1438                                                                 // Otherwise silence
1439                                                                 else
1440                                                                 {
1441                                                                         j += current_channels;
1442                                                                         dest_offset += current_channels;
1443                                                                 }
1444                                                         }
1445                                                         pkt.size = avcodec_encode_audio( codec, audio_outbuf, audio_outbuf_size, audio_buf_2 );
1446                                                 }
1447
1448                                                 // Write the compressed frame in the media file
1449                                                 if ( codec->coded_frame && codec->coded_frame->pts != AV_NOPTS_VALUE )
1450                                                 {
1451                                                         pkt.pts = av_rescale_q( codec->coded_frame->pts, codec->time_base, stream->time_base );
1452                                                         mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "audio stream %d pkt pts %"PRId64" frame pts %"PRId64,
1453                                                                 stream->index, pkt.pts, codec->coded_frame->pts );
1454                                                 }
1455                                                 pkt.flags |= PKT_FLAG_KEY;
1456                                                 pkt.stream_index = stream->index;
1457                                                 pkt.data = audio_outbuf;
1458
1459                                                 if ( pkt.size > 0 )
1460                                                 {
1461                                                         if ( av_interleaved_write_frame( oc, &pkt ) )
1462                                                         {
1463                                                                 mlt_log_fatal( MLT_CONSUMER_SERVICE( consumer ), "error writing audio frame\n" );
1464                                                                 mlt_events_fire( properties, "consumer-fatal-error", NULL );
1465                                                                 goto on_fatal_error;
1466                                                         }
1467                                                 }
1468
1469                                                 mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), " frame_size %d\n", codec->frame_size );
1470                                                 if ( i == 0 )
1471                                                 {
1472                                                         audio_pts = (double)stream->pts.val * av_q2d( stream->time_base );
1473                                                 }
1474                                         }
1475                                 }
1476                                 else
1477                                 {
1478                                         break;
1479                                 }
1480                         }
1481                         else if ( video_st )
1482                         {
1483                                 // Write video
1484                                 if ( mlt_deque_count( queue ) )
1485                                 {
1486                                         int out_size, ret = 0;
1487                                         AVCodecContext *c;
1488
1489                                         frame = mlt_deque_pop_front( queue );
1490                                         frame_properties = MLT_FRAME_PROPERTIES( frame );
1491
1492                                         c = video_st->codec;
1493
1494                                         if ( mlt_properties_get_int( frame_properties, "rendered" ) )
1495                                         {
1496                                                 int i = 0;
1497                                                 uint8_t *p;
1498                                                 uint8_t *q;
1499
1500                                                 mlt_frame_get_image( frame, &image, &img_fmt, &img_width, &img_height, 0 );
1501
1502                                                 q = image;
1503
1504                                                 // Convert the mlt frame to an AVPicture
1505                                                 for ( i = 0; i < height; i ++ )
1506                                                 {
1507                                                         p = input->data[ 0 ] + i * input->linesize[ 0 ];
1508                                                         memcpy( p, q, width * 2 );
1509                                                         q += width * 2;
1510                                                 }
1511
1512                                                 // Do the colour space conversion
1513 #ifdef SWSCALE
1514                                                 int flags = SWS_BILINEAR;
1515 #ifdef USE_MMX
1516                                                 flags |= SWS_CPU_CAPS_MMX;
1517 #endif
1518 #ifdef USE_SSE
1519                                                 flags |= SWS_CPU_CAPS_MMX2;
1520 #endif
1521                                                 struct SwsContext *context = sws_getContext( width, height, PIX_FMT_YUYV422,
1522                                                         width, height, video_st->codec->pix_fmt, flags, NULL, NULL, NULL);
1523                                                 sws_scale( context, (const uint8_t* const*) input->data, input->linesize, 0, height,
1524                                                         output->data, output->linesize);
1525                                                 sws_freeContext( context );
1526 #else
1527                                                 img_convert( ( AVPicture * )output, video_st->codec->pix_fmt, ( AVPicture * )input, PIX_FMT_YUYV422, width, height );
1528 #endif
1529
1530                                                 mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
1531
1532                                                 // Apply the alpha if applicable
1533                                                 if ( video_st->codec->pix_fmt == PIX_FMT_RGB32 )
1534                                                 {
1535                                                         uint8_t *alpha = mlt_frame_get_alpha_mask( frame );
1536                                                         register int n;
1537
1538                                                         for ( i = 0; i < height; i ++ )
1539                                                         {
1540                                                                 n = ( width + 7 ) / 8;
1541                                                                 p = output->data[ 0 ] + i * output->linesize[ 0 ] + 3;
1542
1543                                                                 switch( width % 8 )
1544                                                                 {
1545                                                                         case 0: do { *p = *alpha++; p += 4;
1546                                                                         case 7:          *p = *alpha++; p += 4;
1547                                                                         case 6:          *p = *alpha++; p += 4;
1548                                                                         case 5:          *p = *alpha++; p += 4;
1549                                                                         case 4:          *p = *alpha++; p += 4;
1550                                                                         case 3:          *p = *alpha++; p += 4;
1551                                                                         case 2:          *p = *alpha++; p += 4;
1552                                                                         case 1:          *p = *alpha++; p += 4;
1553                                                                                         }
1554                                                                                         while( --n );
1555                                                                 }
1556                                                         }
1557                                                 }
1558                                         }
1559
1560                                         if (oc->oformat->flags & AVFMT_RAWPICTURE)
1561                                         {
1562                                                 // raw video case. The API will change slightly in the near future for that
1563                                                 AVPacket pkt;
1564                                                 av_init_packet(&pkt);
1565
1566                                                 pkt.flags |= PKT_FLAG_KEY;
1567                                                 pkt.stream_index= video_st->index;
1568                                                 pkt.data= (uint8_t *)output;
1569                                                 pkt.size= sizeof(AVPicture);
1570
1571                                                 ret = av_write_frame(oc, &pkt);
1572                                                 video_pts += c->frame_size;
1573                                         }
1574                                         else
1575                                         {
1576                                                 // Set the quality
1577                                                 output->quality = video_st->quality;
1578
1579                                                 // Set frame interlace hints
1580                                                 output->interlaced_frame = !mlt_properties_get_int( frame_properties, "progressive" );
1581                                                 output->top_field_first = mlt_properties_get_int( frame_properties, "top_field_first" );
1582                                                 output->pts = frame_count;
1583
1584                                                 // Encode the image
1585                                                 out_size = avcodec_encode_video(c, video_outbuf, video_outbuf_size, output );
1586
1587                                                 // If zero size, it means the image was buffered
1588                                                 if ( out_size > 0 )
1589                                                 {
1590                                                         AVPacket pkt;
1591                                                         av_init_packet( &pkt );
1592
1593                                                         if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
1594                                                                 pkt.pts= av_rescale_q( c->coded_frame->pts, c->time_base, video_st->time_base );
1595                                                         mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "video pkt pts %"PRId64" frame pts %"PRId64, pkt.pts, c->coded_frame->pts );
1596                                                         if( c->coded_frame && c->coded_frame->key_frame )
1597                                                                 pkt.flags |= PKT_FLAG_KEY;
1598                                                         pkt.stream_index= video_st->index;
1599                                                         pkt.data= video_outbuf;
1600                                                         pkt.size= out_size;
1601
1602                                                         // write the compressed frame in the media file
1603                                                         ret = av_interleaved_write_frame(oc, &pkt);
1604                                                         mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), " frame_size %d\n", c->frame_size );
1605                                                         video_pts = (double)video_st->pts.val * av_q2d( video_st->time_base );
1606
1607                                                         // Dual pass logging
1608                                                         if ( mlt_properties_get_data( properties, "_logfile", NULL ) && c->stats_out )
1609                                                                 fprintf( mlt_properties_get_data( properties, "_logfile", NULL ), "%s", c->stats_out );
1610                                                 }
1611                                                 else if ( out_size < 0 )
1612                                                 {
1613                                                         mlt_log_warning( MLT_CONSUMER_SERVICE( consumer ), "error with video encode %d\n", frame_count );
1614                                                 }
1615                                         }
1616                                         frame_count++;
1617                                         if ( ret )
1618                                         {
1619                                                 mlt_log_fatal( MLT_CONSUMER_SERVICE( consumer ), "error writing video frame\n" );
1620                                                 mlt_events_fire( properties, "consumer-fatal-error", NULL );
1621                                                 goto on_fatal_error;
1622                                         }
1623                                         mlt_frame_close( frame );
1624                                 }
1625                                 else
1626                                 {
1627                                         break;
1628                                 }
1629                         }
1630                         if ( audio_st[0] )
1631                                 mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "audio pts %"PRId64" (%f) ", audio_st[0]->pts.val, audio_pts );
1632                         if ( video_st )
1633                                 mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "video pts %"PRId64" (%f) ", video_st->pts.val, video_pts );
1634                         mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "\n" );
1635                 }
1636
1637                 if ( real_time_output == 1 && frames % 2 == 0 )
1638                 {
1639                         long passed = time_difference( &ante );
1640                         if ( fifo != NULL )
1641                         {
1642                                 long pending = ( ( ( long )sample_fifo_used( fifo ) * 1000 ) / frequency ) * 1000;
1643                                 passed -= pending;
1644                         }
1645                         if ( passed < total_time )
1646                         {
1647                                 long total = ( total_time - passed );
1648                                 struct timespec t = { total / 1000000, ( total % 1000000 ) * 1000 };
1649                                 nanosleep( &t, NULL );
1650                         }
1651                 }
1652         }
1653
1654         // Flush the encoder buffers
1655         if ( real_time_output <= 0 )
1656         {
1657                 // Flush audio fifo
1658                 // TODO: flush all audio streams
1659                 if ( audio_st[0] && audio_st[0]->codec->frame_size > 1 ) for (;;)
1660                 {
1661                         AVCodecContext *c = audio_st[0]->codec;
1662                         AVPacket pkt;
1663                         av_init_packet( &pkt );
1664                         pkt.size = 0;
1665
1666                         if ( /*( c->capabilities & CODEC_CAP_SMALL_LAST_FRAME ) &&*/
1667                                 ( channels * audio_input_frame_size < sample_fifo_used( fifo ) ) )
1668                         {
1669                                 sample_fifo_fetch( fifo, audio_buf_1, channels * audio_input_frame_size );
1670                                 pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, audio_buf_1 );
1671                         }
1672                         if ( pkt.size <= 0 )
1673                                 pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, NULL );
1674                         mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "flushing audio size %d\n", pkt.size );
1675                         if ( pkt.size <= 0 )
1676                                 break;
1677
1678                         // Write the compressed frame in the media file
1679                         if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
1680                                 pkt.pts = av_rescale_q( c->coded_frame->pts, c->time_base, audio_st[0]->time_base );
1681                         pkt.flags |= PKT_FLAG_KEY;
1682                         pkt.stream_index = audio_st[0]->index;
1683                         pkt.data = audio_outbuf;
1684                         if ( av_interleaved_write_frame( oc, &pkt ) != 0 )
1685                         {
1686                                 mlt_log_fatal( MLT_CONSUMER_SERVICE( consumer ), "error writing flushed audio frame\n" );
1687                                 mlt_events_fire( properties, "consumer-fatal-error", NULL );
1688                                 goto on_fatal_error;
1689                         }
1690                 }
1691
1692                 // Flush video
1693                 if ( video_st && !( oc->oformat->flags & AVFMT_RAWPICTURE ) ) for (;;)
1694                 {
1695                         AVCodecContext *c = video_st->codec;
1696                         AVPacket pkt;
1697                         av_init_packet( &pkt );
1698
1699                         // Encode the image
1700                         pkt.size = avcodec_encode_video( c, video_outbuf, video_outbuf_size, NULL );
1701                         mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "flushing video size %d\n", pkt.size );
1702                         if ( pkt.size <= 0 )
1703                                 break;
1704
1705                         if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
1706                                 pkt.pts= av_rescale_q( c->coded_frame->pts, c->time_base, video_st->time_base );
1707                         if( c->coded_frame && c->coded_frame->key_frame )
1708                                 pkt.flags |= PKT_FLAG_KEY;
1709                         pkt.stream_index = video_st->index;
1710                         pkt.data = video_outbuf;
1711
1712                         // write the compressed frame in the media file
1713                         if ( av_interleaved_write_frame( oc, &pkt ) != 0 )
1714                         {
1715                                 mlt_log_fatal( MLT_CONSUMER_SERVICE(consumer), "error writing flushed video frame\n" );
1716                                 mlt_events_fire( properties, "consumer-fatal-error", NULL );
1717                                 goto on_fatal_error;
1718                         }
1719                         // Dual pass logging
1720                         if ( mlt_properties_get_data( properties, "_logfile", NULL ) && c->stats_out )
1721                                 fprintf( mlt_properties_get_data( properties, "_logfile", NULL ), "%s", c->stats_out );
1722                 }
1723         }
1724
1725 on_fatal_error:
1726
1727         // Write the trailer, if any
1728         av_write_trailer( oc );
1729
1730         // close each codec
1731         if ( video_st )
1732                 close_video(oc, video_st);
1733         for ( i = 0; i < MAX_AUDIO_STREAMS && audio_st[i]; i++ )
1734                 close_audio( oc, audio_st[i] );
1735
1736         // Free the streams
1737         for ( i = 0; i < oc->nb_streams; i++ )
1738                 av_freep( &oc->streams[i] );
1739
1740         // Close the output file
1741         if ( !( fmt->flags & AVFMT_NOFILE ) )
1742 #if LIBAVFORMAT_VERSION_MAJOR > 52
1743                 avio_close( oc->pb );
1744 #elif LIBAVFORMAT_VERSION_INT >= ((52<<16)+(0<<8)+0)
1745                 url_fclose( oc->pb );
1746 #else
1747                 url_fclose( &oc->pb );
1748 #endif
1749
1750         // Clean up input and output frames
1751         if ( output )
1752                 av_free( output->data[0] );
1753         av_free( output );
1754         av_free( input->data[0] );
1755         av_free( input );
1756         av_free( video_outbuf );
1757         av_free( audio_buf_1 );
1758         av_free( audio_buf_2 );
1759
1760         // Free the stream
1761         av_free( oc );
1762
1763         // Just in case we terminated on pause
1764         mlt_properties_set_int( properties, "running", 0 );
1765
1766         mlt_consumer_stopped( consumer );
1767         mlt_properties_close( frame_meta_properties );
1768
1769         if ( mlt_properties_get_int( properties, "pass" ) > 1 )
1770         {
1771                 // Remove the dual pass log file
1772                 if ( mlt_properties_get( properties, "_logfilename" ) )
1773                         remove( mlt_properties_get( properties, "_logfilename" ) );
1774
1775                 // Remove the x264 dual pass logs
1776                 char *cwd = getcwd( NULL, 0 );
1777                 const char *file = "x264_2pass.log";
1778                 char *full = malloc( strlen( cwd ) + strlen( file ) + 2 );
1779                 sprintf( full, "%s/%s", cwd, file );
1780                 remove( full );
1781                 free( full );
1782                 file = "x264_2pass.log.temp";
1783                 full = malloc( strlen( cwd ) + strlen( file ) + 2 );
1784                 sprintf( full, "%s/%s", cwd, file );
1785                 remove( full );
1786                 free( full );
1787                 file = "x264_2pass.log.mbtree";
1788                 full = malloc( strlen( cwd ) + strlen( file ) + 2 );
1789                 sprintf( full, "%s/%s", cwd, file );
1790                 remove( full );
1791                 free( full );
1792                 free( cwd );
1793                 remove( "x264_2pass.log.temp" );
1794         }
1795
1796         while ( ( frame = mlt_deque_pop_back( queue ) ) )
1797                 mlt_frame_close( frame );
1798
1799         return NULL;
1800 }
1801
1802 /** Close the consumer.
1803 */
1804
1805 static void consumer_close( mlt_consumer consumer )
1806 {
1807         // Stop the consumer
1808         mlt_consumer_stop( consumer );
1809
1810         // Close the parent
1811         mlt_consumer_close( consumer );
1812
1813         // Free the memory
1814         free( consumer );
1815 }