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, int alloc )
 401 {
 402         int i;
 403         int count = mlt_properties_count( properties );
 404         for ( i = 0; i < count; i++ )
 405         {
 406                 const char *opt_name = mlt_properties_get_name( properties, i );
 407                 const AVOption *opt = av_find_opt( obj, opt_name, NULL, flags, flags );
 408
 409                 if ( opt != NULL )
 410 #if LIBAVCODEC_VERSION_INT >= ((52<<16)+(7<<8)+0)
 411                         av_set_string3( obj, opt_name, mlt_properties_get_value( properties, i), alloc, NULL );
 412 #elif LIBAVCODEC_VERSION_INT >= ((51<<16)+(59<<8)+0)
 413                         av_set_string2( obj, opt_name, mlt_properties_get_value( properties, i), alloc );
 414 #else
 415                         av_set_string( obj, opt_name, mlt_properties_get_value( properties, i) );
 416 #endif
 417         }
 418 }
 419
 420 /** Add an audio output stream
 421 */
 422
 423 static AVStream *add_audio_stream( mlt_consumer consumer, AVFormatContext *oc, int codec_id, int channels )
 424 {
 425         // Get the properties
 426         mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
 427
 428         // Create a new stream
 429         AVStream *st = av_new_stream( oc, oc->nb_streams );
 430
 431         // If created, then initialise from properties
 432         if ( st != NULL )
 433         {
 434                 AVCodecContext *c = st->codec;
 435
 436                 // Establish defaults from AVOptions
 437                 avcodec_get_context_defaults2( c, CODEC_TYPE_AUDIO );
 438
 439                 c->codec_id = codec_id;
 440                 c->codec_type = CODEC_TYPE_AUDIO;
 441                 c->sample_fmt = SAMPLE_FMT_S16;
 442
 443 #if 0 // disabled until some audio codecs are multi-threaded
 444                 // Setup multi-threading
 445                 int thread_count = mlt_properties_get_int( properties, "threads" );
 446                 if ( thread_count == 0 && getenv( "MLT_AVFORMAT_THREADS" ) )
 447                         thread_count = atoi( getenv( "MLT_AVFORMAT_THREADS" ) );
 448                 if ( thread_count > 1 )
 449                         c->thread_count = thread_count;
 450 #endif
 451
 452                 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
 453                         c->flags |= CODEC_FLAG_GLOBAL_HEADER;
 454
 455                 // Allow the user to override the audio fourcc
 456                 if ( mlt_properties_get( properties, "atag" ) )
 457                 {
 458                         char *tail = NULL;
 459                         char *arg = mlt_properties_get( properties, "atag" );
 460                         int tag = strtol( arg, &tail, 0);
 461                         if( !tail || *tail )
 462                                 tag = arg[ 0 ] + ( arg[ 1 ] << 8 ) + ( arg[ 2 ] << 16 ) + ( arg[ 3 ] << 24 );
 463                         c->codec_tag = tag;
 464                 }
 465
 466                 // Process properties as AVOptions
 467                 char *apre = mlt_properties_get( properties, "apre" );
 468                 if ( apre )
 469                 {
 470                         mlt_properties p = mlt_properties_load( apre );
 471                         apply_properties( c, p, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, 1 );
 472                         mlt_properties_close( p );
 473                 }
 474                 apply_properties( c, properties, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, 0 );
 475
 476                 int audio_qscale = mlt_properties_get_int( properties, "aq" );
 477         if ( audio_qscale > QSCALE_NONE )
 478                 {
 479                         c->flags |= CODEC_FLAG_QSCALE;
 480                         c->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
 481                 }
 482
 483                 // Set parameters controlled by MLT
 484                 c->sample_rate = mlt_properties_get_int( properties, "frequency" );
 485                 c->time_base = ( AVRational ){ 1, c->sample_rate };
 486                 c->channels = channels;
 487
 488                 if ( mlt_properties_get( properties, "alang" ) != NULL )
 489 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(43<<8)+0)
 490                         av_metadata_set2( &oc->metadata, "language", mlt_properties_get( properties, "alang" ), 0 );
 491 #else
 492
 493                         strncpy( st->language, mlt_properties_get( properties, "alang" ), sizeof( st->language ) );
 494 #endif
 495         }
 496         else
 497         {
 498                 mlt_log_error( MLT_CONSUMER_SERVICE( consumer ), "Could not allocate a stream for audio\n" );
 499         }
 500
 501         return st;
 502 }
 503
 504 static int open_audio( mlt_properties properties, AVFormatContext *oc, AVStream *st, int audio_outbuf_size, const char *codec_name )
 505 {
 506         // We will return the audio input size from here
 507         int audio_input_frame_size = 0;
 508
 509         // Get the context
 510         AVCodecContext *c = st->codec;
 511
 512         // Find the encoder
 513         AVCodec *codec;
 514         if ( codec_name )
 515                 codec = avcodec_find_encoder_by_name( codec_name );
 516         else
 517                 codec = avcodec_find_encoder( c->codec_id );
 518
 519 #if LIBAVCODEC_VERSION_MAJOR > 52
 520         // Process properties as AVOptions on the AVCodec
 521         if ( codec && codec->priv_class )
 522         {
 523                 char *apre = mlt_properties_get( properties, "apre" );
 524                 if ( !c->priv_data && codec->priv_data_size )
 525                 {
 526                         c->priv_data = av_mallocz( codec->priv_data_size );
 527                         *(const AVClass **) c->priv_data = codec->priv_class;
 528 //                      av_opt_set_defaults( c );
 529                 }
 530                 if ( apre )
 531                 {
 532                         mlt_properties p = mlt_properties_load( apre );
 533                         apply_properties( c->priv_data, p, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, 1 );
 534                         mlt_properties_close( p );
 535                 }
 536                 apply_properties( c->priv_data, properties, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, 0 );
 537         }
 538 #endif
 539
 540         avformat_lock();
 541
 542         // Continue if codec found and we can open it
 543         if ( codec != NULL && avcodec_open( c, codec ) >= 0 )
 544         {
 545                 // ugly hack for PCM codecs (will be removed ASAP with new PCM
 546                 // support to compute the input frame size in samples
 547                 if ( c->frame_size <= 1 )
 548                 {
 549                         audio_input_frame_size = audio_outbuf_size / c->channels;
 550                         switch(st->codec->codec_id)
 551                         {
 552                                 case CODEC_ID_PCM_S16LE:
 553                                 case CODEC_ID_PCM_S16BE:
 554                                 case CODEC_ID_PCM_U16LE:
 555                                 case CODEC_ID_PCM_U16BE:
 556                                         audio_input_frame_size >>= 1;
 557                                         break;
 558                                 default:
 559                                         break;
 560                         }
 561                 }
 562                 else
 563                 {
 564                         audio_input_frame_size = c->frame_size;
 565                 }
 566
 567                 // Some formats want stream headers to be seperate (hmm)
 568                 if ( !strcmp( oc->oformat->name, "mp4" ) ||
 569                          !strcmp( oc->oformat->name, "mov" ) ||
 570                          !strcmp( oc->oformat->name, "3gp" ) )
 571                         c->flags |= CODEC_FLAG_GLOBAL_HEADER;
 572         }
 573         else
 574         {
 575                 mlt_log_warning( NULL, "%s: Unable to encode audio - disabling audio output.\n", __FILE__ );
 576         }
 577
 578         avformat_unlock();
 579
 580         return audio_input_frame_size;
 581 }
 582
 583 static void close_audio( AVFormatContext *oc, AVStream *st )
 584 {
 585         if ( st && st->codec )
 586         {
 587                 avformat_lock();
 588                 avcodec_close( st->codec );
 589                 avformat_unlock();
 590         }
 591 }
 592
 593 /** Add a video output stream
 594 */
 595
 596 static AVStream *add_video_stream( mlt_consumer consumer, AVFormatContext *oc, int codec_id )
 597 {
 598         // Get the properties
 599         mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
 600
 601         // Create a new stream
 602         AVStream *st = av_new_stream( oc, oc->nb_streams );
 603
 604         if ( st != NULL )
 605         {
 606                 char *pix_fmt = mlt_properties_get( properties, "pix_fmt" );
 607                 AVCodecContext *c = st->codec;
 608
 609                 // Establish defaults from AVOptions
 610                 avcodec_get_context_defaults2( c, CODEC_TYPE_VIDEO );
 611
 612                 c->codec_id = codec_id;
 613                 c->codec_type = CODEC_TYPE_VIDEO;
 614
 615                 // Setup multi-threading
 616                 int thread_count = mlt_properties_get_int( properties, "threads" );
 617                 if ( thread_count == 0 && getenv( "MLT_AVFORMAT_THREADS" ) )
 618                         thread_count = atoi( getenv( "MLT_AVFORMAT_THREADS" ) );
 619                 if ( thread_count > 1 )
 620                         c->thread_count = thread_count;
 621
 622                 // Process properties as AVOptions
 623                 char *vpre = mlt_properties_get( properties, "vpre" );
 624                 if ( vpre )
 625                 {
 626                         mlt_properties p = mlt_properties_load( vpre );
 627 #ifdef AVDATADIR
 628                         if ( mlt_properties_count( p ) < 1 )
 629                         {
 630                                 AVCodec *codec = avcodec_find_encoder( c->codec_id );
 631                                 if ( codec )
 632                                 {
 633                                         char *path = malloc( strlen(AVDATADIR) + strlen(codec->name) + strlen(vpre) + strlen(".ffpreset") + 2 );
 634                                         strcpy( path, AVDATADIR );
 635                                         strcat( path, codec->name );
 636                                         strcat( path, "-" );
 637                                         strcat( path, vpre );
 638                                         strcat( path, ".ffpreset" );
 639
 640                                         mlt_properties_close( p );
 641                                         p = mlt_properties_load( path );
 642                                         mlt_properties_debug( p, path, stderr );
 643                                         free( path );
 644                                 }
 645                         }
 646                         else
 647                         {
 648                                 mlt_properties_debug( p, vpre, stderr );
 649                         }
 650 #endif
 651                         apply_properties( c, p, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, 1 );
 652                         mlt_properties_close( p );
 653                 }
 654                 int colorspace = mlt_properties_get_int( properties, "colorspace" );
 655                 mlt_properties_set( properties, "colorspace", NULL );
 656                 apply_properties( c, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, 0 );
 657                 mlt_properties_set_int( properties, "colorspace", colorspace );
 658
 659                 // Set options controlled by MLT
 660                 c->width = mlt_properties_get_int( properties, "width" );
 661                 c->height = mlt_properties_get_int( properties, "height" );
 662                 c->time_base.num = mlt_properties_get_int( properties, "frame_rate_den" );
 663                 c->time_base.den = mlt_properties_get_int( properties, "frame_rate_num" );
 664                 if ( st->time_base.den == 0 )
 665                         st->time_base = c->time_base;
 666 #if LIBAVUTIL_VERSION_INT >= ((50<<16)+(8<<8)+0)
 667                 c->pix_fmt = pix_fmt ? av_get_pix_fmt( pix_fmt ) : PIX_FMT_YUV420P;
 668 #else
 669                 c->pix_fmt = pix_fmt ? avcodec_get_pix_fmt( pix_fmt ) : PIX_FMT_YUV420P;
 670 #endif
 671
 672 #if LIBAVCODEC_VERSION_INT > ((52<<16)+(28<<8)+0)
 673                 switch ( colorspace )
 674                 {
 675                 case 170:
 676                         c->colorspace = AVCOL_SPC_SMPTE170M;
 677                         break;
 678                 case 240:
 679                         c->colorspace = AVCOL_SPC_SMPTE240M;
 680                         break;
 681                 case 470:
 682                         c->colorspace = AVCOL_SPC_BT470BG;
 683                         break;
 684                 case 601:
 685                         c->colorspace = ( 576 % c->height ) ? AVCOL_SPC_SMPTE170M : AVCOL_SPC_BT470BG;
 686                         break;
 687                 case 709:
 688                         c->colorspace = AVCOL_SPC_BT709;
 689                         break;
 690                 }
 691 #endif
 692
 693                 if ( mlt_properties_get( properties, "aspect" ) )
 694                 {
 695                         // "-aspect" on ffmpeg command line is display aspect ratio
 696                         double ar = mlt_properties_get_double( properties, "aspect" );
 697                         AVRational rational = av_d2q( ar, 255 );
 698
 699                         // Update the profile and properties as well since this is an alias
 700                         // for mlt properties that correspond to profile settings
 701                         mlt_properties_set_int( properties, "display_aspect_num", rational.num );
 702                         mlt_properties_set_int( properties, "display_aspect_den", rational.den );
 703                         mlt_profile profile = mlt_service_profile( MLT_CONSUMER_SERVICE( consumer ) );
 704                         if ( profile )
 705                         {
 706                                 profile->display_aspect_num = rational.num;
 707                                 profile->display_aspect_den = rational.den;
 708                                 mlt_properties_set_double( properties, "display_ratio", mlt_profile_dar( profile ) );
 709                         }
 710
 711                         // Now compute the sample aspect ratio
 712                         rational = av_d2q( ar * c->height / c->width, 255 );
 713                         c->sample_aspect_ratio = rational;
 714                         // Update the profile and properties as well since this is an alias
 715                         // for mlt properties that correspond to profile settings
 716                         mlt_properties_set_int( properties, "sample_aspect_num", rational.num );
 717                         mlt_properties_set_int( properties, "sample_aspect_den", rational.den );
 718                         if ( profile )
 719                         {
 720                                 profile->sample_aspect_num = rational.num;
 721                                 profile->sample_aspect_den = rational.den;
 722                                 mlt_properties_set_double( properties, "aspect_ratio", mlt_profile_sar( profile ) );
 723                         }
 724                 }
 725                 else
 726                 {
 727                         c->sample_aspect_ratio.num = mlt_properties_get_int( properties, "sample_aspect_num" );
 728                         c->sample_aspect_ratio.den = mlt_properties_get_int( properties, "sample_aspect_den" );
 729                 }
 730 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
 731                 st->sample_aspect_ratio = c->sample_aspect_ratio;
 732 #endif
 733
 734                 if ( mlt_properties_get_double( properties, "qscale" ) > 0 )
 735                 {
 736                         c->flags |= CODEC_FLAG_QSCALE;
 737                         st->quality = FF_QP2LAMBDA * mlt_properties_get_double( properties, "qscale" );
 738                 }
 739
 740                 // Allow the user to override the video fourcc
 741                 if ( mlt_properties_get( properties, "vtag" ) )
 742                 {
 743                         char *tail = NULL;
 744                         const char *arg = mlt_properties_get( properties, "vtag" );
 745                         int tag = strtol( arg, &tail, 0);
 746                         if( !tail || *tail )
 747                                 tag = arg[ 0 ] + ( arg[ 1 ] << 8 ) + ( arg[ 2 ] << 16 ) + ( arg[ 3 ] << 24 );
 748                         c->codec_tag = tag;
 749                 }
 750
 751                 // Some formats want stream headers to be seperate
 752                 if ( oc->oformat->flags & AVFMT_GLOBALHEADER )
 753                         c->flags |= CODEC_FLAG_GLOBAL_HEADER;
 754
 755                 // Translate these standard mlt consumer properties to ffmpeg
 756                 if ( mlt_properties_get_int( properties, "progressive" ) == 0 &&
 757                      mlt_properties_get_int( properties, "deinterlace" ) == 0 )
 758                 {
 759                         if ( ! mlt_properties_get( properties, "ildct" ) || mlt_properties_get_int( properties, "ildct" ) )
 760                                 c->flags |= CODEC_FLAG_INTERLACED_DCT;
 761                         if ( ! mlt_properties_get( properties, "ilme" ) || mlt_properties_get_int( properties, "ilme" ) )
 762                                 c->flags |= CODEC_FLAG_INTERLACED_ME;
 763                 }
 764
 765                 // parse the ratecontrol override string
 766                 int i;
 767                 char *rc_override = mlt_properties_get( properties, "rc_override" );
 768                 for ( i = 0; rc_override; i++ )
 769                 {
 770                         int start, end, q;
 771                         int e = sscanf( rc_override, "%d,%d,%d", &start, &end, &q );
 772                         if ( e != 3 )
 773                                 mlt_log_warning( MLT_CONSUMER_SERVICE( consumer ), "Error parsing rc_override\n" );
 774                         c->rc_override = av_realloc( c->rc_override, sizeof( RcOverride ) * ( i + 1 ) );
 775                         c->rc_override[i].start_frame = start;
 776                         c->rc_override[i].end_frame = end;
 777                         if ( q > 0 )
 778                         {
 779                                 c->rc_override[i].qscale = q;
 780                                 c->rc_override[i].quality_factor = 1.0;
 781                         }
 782                         else
 783                         {
 784                                 c->rc_override[i].qscale = 0;
 785                                 c->rc_override[i].quality_factor = -q / 100.0;
 786                         }
 787                         rc_override = strchr( rc_override, '/' );
 788                         if ( rc_override )
 789                                 rc_override++;
 790                 }
 791                 c->rc_override_count = i;
 792                 if ( !c->rc_initial_buffer_occupancy )
 793                         c->rc_initial_buffer_occupancy = c->rc_buffer_size * 3/4;
 794                 c->intra_dc_precision = mlt_properties_get_int( properties, "dc" ) - 8;
 795
 796                 // Setup dual-pass
 797                 i = mlt_properties_get_int( properties, "pass" );
 798                 if ( i == 1 )
 799                         c->flags |= CODEC_FLAG_PASS1;
 800                 else if ( i == 2 )
 801                         c->flags |= CODEC_FLAG_PASS2;
 802                 if ( codec_id != CODEC_ID_H264 && ( c->flags & ( CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2 ) ) )
 803                 {
 804                         char logfilename[1024];
 805                         FILE *f;
 806                         int size;
 807                         char *logbuffer;
 808
 809                         snprintf( logfilename, sizeof(logfilename), "%s_2pass.log",
 810                                 mlt_properties_get( properties, "passlogfile" ) ? mlt_properties_get( properties, "passlogfile" ) : mlt_properties_get( properties, "target" ) );
 811                         if ( c->flags & CODEC_FLAG_PASS1 )
 812                         {
 813                                 f = fopen( logfilename, "w" );
 814                                 if ( !f )
 815                                         perror( logfilename );
 816                                 else
 817                                         mlt_properties_set_data( properties, "_logfile", f, 0, ( mlt_destructor )fclose, NULL );
 818                         }
 819                         else
 820                         {
 821                                 /* read the log file */
 822                                 f = fopen( logfilename, "r" );
 823                                 if ( !f )
 824                                 {
 825                                         perror(logfilename);
 826                                 }
 827                                 else
 828                                 {
 829                                         mlt_properties_set( properties, "_logfilename", logfilename );
 830                                         fseek( f, 0, SEEK_END );
 831                                         size = ftell( f );
 832                                         fseek( f, 0, SEEK_SET );
 833                                         logbuffer = av_malloc( size + 1 );
 834                                         if ( !logbuffer )
 835                                                 mlt_log_fatal( MLT_CONSUMER_SERVICE( consumer ), "Could not allocate log buffer\n" );
 836                                         else
 837                                         {
 838                                                 size = fread( logbuffer, 1, size, f );
 839                                                 fclose( f );
 840                                                 logbuffer[size] = '\0';
 841                                                 c->stats_in = logbuffer;
 842                                                 mlt_properties_set_data( properties, "_logbuffer", logbuffer, 0, ( mlt_destructor )av_free, NULL );
 843                                         }
 844                                 }
 845                         }
 846                 }
 847         }
 848         else
 849         {
 850                 mlt_log_error( MLT_CONSUMER_SERVICE( consumer ), "Could not allocate a stream for video\n" );
 851         }
 852
 853         return st;
 854 }
 855
 856 static AVFrame *alloc_picture( int pix_fmt, int width, int height )
 857 {
 858         // Allocate a frame
 859         AVFrame *picture = avcodec_alloc_frame();
 860
 861         // Determine size of the
 862         int size = avpicture_get_size(pix_fmt, width, height);
 863
 864         // Allocate the picture buf
 865         uint8_t *picture_buf = av_malloc(size);
 866
 867         // If we have both, then fill the image
 868         if ( picture != NULL && picture_buf != NULL )
 869         {
 870                 // Fill the frame with the allocated buffer
 871                 avpicture_fill( (AVPicture *)picture, picture_buf, pix_fmt, width, height);
 872         }
 873         else
 874         {
 875                 // Something failed - clean up what we can
 876                 av_free( picture );
 877                 av_free( picture_buf );
 878                 picture = NULL;
 879         }
 880
 881         return picture;
 882 }
 883
 884 static int open_video( mlt_properties properties, AVFormatContext *oc, AVStream *st, const char *codec_name )
 885 {
 886         // Get the codec
 887         AVCodecContext *video_enc = st->codec;
 888
 889         // find the video encoder
 890         AVCodec *codec;
 891         if ( codec_name )
 892                 codec = avcodec_find_encoder_by_name( codec_name );
 893         else
 894                 codec = avcodec_find_encoder( video_enc->codec_id );
 895
 896 #if LIBAVCODEC_VERSION_MAJOR > 52
 897         // Process properties as AVOptions on the AVCodec
 898         if ( codec && codec->priv_class )
 899         {
 900                 char *vpre = mlt_properties_get( properties, "vpre" );
 901                 if ( !video_enc->priv_data && codec->priv_data_size )
 902                 {
 903                         video_enc->priv_data = av_mallocz( codec->priv_data_size );
 904                         *(const AVClass **) video_enc->priv_data = codec->priv_class;
 905 //                      av_opt_set_defaults( video_enc );
 906                 }
 907                 if ( vpre )
 908                 {
 909                         mlt_properties p = mlt_properties_load( vpre );
 910                         apply_properties( video_enc->priv_data, p, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, 1 );
 911                         mlt_properties_close( p );
 912                 }
 913                 apply_properties( video_enc->priv_data, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, 0 );
 914         }
 915 #endif
 916
 917         if( codec && codec->pix_fmts )
 918         {
 919                 const enum PixelFormat *p = codec->pix_fmts;
 920                 for( ; *p!=-1; p++ )
 921                 {
 922                         if( *p == video_enc->pix_fmt )
 923                                 break;
 924                 }
 925                 if( *p == -1 )
 926                         video_enc->pix_fmt = codec->pix_fmts[ 0 ];
 927         }
 928
 929         // Open the codec safely
 930         avformat_lock();
 931         int result = codec != NULL && avcodec_open( video_enc, codec ) >= 0;
 932         avformat_unlock();
 933
 934         return result;
 935 }
 936
 937 void close_video(AVFormatContext *oc, AVStream *st)
 938 {
 939         if ( st && st->codec )
 940         {
 941                 avformat_lock();
 942                 avcodec_close(st->codec);
 943                 avformat_unlock();
 944         }
 945 }
 946
 947 static inline long time_difference( struct timeval *time1 )
 948 {
 949         struct timeval time2;
 950         gettimeofday( &time2, NULL );
 951         return time2.tv_sec * 1000000 + time2.tv_usec - time1->tv_sec * 1000000 - time1->tv_usec;
 952 }
 953
 954 /** The main thread - the argument is simply the consumer.
 955 */
 956
 957 static void *consumer_thread( void *arg )
 958 {
 959         // Map the argument to the object
 960         mlt_consumer consumer = arg;
 961
 962         // Get the properties
 963         mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
 964
 965         // Get the terminate on pause property
 966         int terminate_on_pause = mlt_properties_get_int( properties, "terminate_on_pause" );
 967         int terminated = 0;
 968
 969         // Determine if feed is slow (for realtime stuff)
 970         int real_time_output = mlt_properties_get_int( properties, "real_time" );
 971
 972         // Time structures
 973         struct timeval ante;
 974
 975         // Get the frame rate
 976         double fps = mlt_properties_get_double( properties, "fps" );
 977
 978         // Get width and height
 979         int width = mlt_properties_get_int( properties, "width" );
 980         int height = mlt_properties_get_int( properties, "height" );
 981         int img_width = width;
 982         int img_height = height;
 983
 984         // Get default audio properties
 985         mlt_audio_format aud_fmt = mlt_audio_s16;
 986         int channels = mlt_properties_get_int( properties, "channels" );
 987         int total_channels = channels;
 988         int frequency = mlt_properties_get_int( properties, "frequency" );
 989         int16_t *pcm = NULL;
 990         int samples = 0;
 991
 992         // AVFormat audio buffer and frame size
 993         int audio_outbuf_size = AUDIO_BUFFER_SIZE;
 994         uint8_t *audio_outbuf = av_malloc( audio_outbuf_size );
 995         int audio_input_frame_size = 0;
 996
 997         // AVFormat video buffer and frame count
 998         int frame_count = 0;
 999         int video_outbuf_size = VIDEO_BUFFER_SIZE;
1000         uint8_t *video_outbuf = av_malloc( video_outbuf_size );
1001
1002         // Used for the frame properties
1003         mlt_frame frame = NULL;
1004         mlt_properties frame_properties = NULL;
1005
1006         // Get the queues
1007         mlt_deque queue = mlt_properties_get_data( properties, "frame_queue", NULL );
1008         sample_fifo fifo = mlt_properties_get_data( properties, "sample_fifo", NULL );
1009
1010         // Need two av pictures for converting
1011         AVFrame *output = NULL;
1012         AVFrame *input = alloc_picture( PIX_FMT_YUYV422, width, height );
1013
1014         // For receiving images from an mlt_frame
1015         uint8_t *image;
1016         mlt_image_format img_fmt = mlt_image_yuv422;
1017
1018         // For receiving audio samples back from the fifo
1019         int16_t *audio_buf_1 = av_malloc( AUDIO_ENCODE_BUFFER_SIZE );
1020         int16_t *audio_buf_2 = NULL;
1021         int count = 0;
1022
1023         // Allocate the context
1024 #if (LIBAVFORMAT_VERSION_INT >= ((52<<16)+(26<<8)+0))
1025         AVFormatContext *oc = avformat_alloc_context( );
1026 #else
1027         AVFormatContext *oc = av_alloc_format_context( );
1028 #endif
1029
1030         // Streams
1031         AVStream *video_st = NULL;
1032         AVStream *audio_st[ MAX_AUDIO_STREAMS ];
1033
1034         // Time stamps
1035         double audio_pts = 0;
1036         double video_pts = 0;
1037
1038         // Frames dispatched
1039         long int frames = 0;
1040         long int total_time = 0;
1041
1042         // Determine the format
1043         AVOutputFormat *fmt = NULL;
1044         const char *filename = mlt_properties_get( properties, "target" );
1045         char *format = mlt_properties_get( properties, "f" );
1046         char *vcodec = mlt_properties_get( properties, "vcodec" );
1047         char *acodec = mlt_properties_get( properties, "acodec" );
1048
1049         // Used to store and override codec ids
1050         int audio_codec_id;
1051         int video_codec_id;
1052
1053         // Misc
1054         char key[27];
1055         mlt_properties frame_meta_properties = mlt_properties_new();
1056
1057         // Initialize audio_st
1058         int i = MAX_AUDIO_STREAMS;
1059         while ( i-- )
1060                 audio_st[i] = NULL;
1061
1062         // Check for user selected format first
1063         if ( format != NULL )
1064 #if LIBAVFORMAT_VERSION_INT < ((52<<16)+(45<<8)+0)
1065                 fmt = guess_format( format, NULL, NULL );
1066 #else
1067                 fmt = av_guess_format( format, NULL, NULL );
1068 #endif
1069
1070         // Otherwise check on the filename
1071         if ( fmt == NULL && filename != NULL )
1072 #if LIBAVFORMAT_VERSION_INT < ((52<<16)+(45<<8)+0)
1073                 fmt = guess_format( NULL, filename, NULL );
1074 #else
1075                 fmt = av_guess_format( NULL, filename, NULL );
1076 #endif
1077
1078         // Otherwise default to mpeg
1079         if ( fmt == NULL )
1080 #if LIBAVFORMAT_VERSION_INT < ((52<<16)+(45<<8)+0)
1081                 fmt = guess_format( "mpeg", NULL, NULL );
1082 #else
1083                 fmt = av_guess_format( "mpeg", NULL, NULL );
1084 #endif
1085
1086         // We need a filename - default to stdout?
1087         if ( filename == NULL || !strcmp( filename, "" ) )
1088                 filename = "pipe:";
1089
1090         // Get the codec ids selected
1091         audio_codec_id = fmt->audio_codec;
1092         video_codec_id = fmt->video_codec;
1093
1094         // Check for audio codec overides
1095         if ( ( acodec && strcmp( acodec, "none" ) == 0 ) || mlt_properties_get_int( properties, "an" ) )
1096                 audio_codec_id = CODEC_ID_NONE;
1097         else if ( acodec )
1098         {
1099                 AVCodec *p = avcodec_find_encoder_by_name( acodec );
1100                 if ( p != NULL )
1101                 {
1102                         audio_codec_id = p->id;
1103                         if ( audio_codec_id == CODEC_ID_AC3 && avcodec_find_encoder_by_name( "ac3_fixed" ) )
1104                         {
1105                                 mlt_properties_set( properties, "_acodec", "ac3_fixed" );
1106                                 acodec = mlt_properties_get( properties, "_acodec" );
1107                         }
1108                 }
1109                 else
1110                 {
1111                         audio_codec_id = CODEC_ID_NONE;
1112                         mlt_log_warning( MLT_CONSUMER_SERVICE( consumer ), "audio codec %s unrecognised - ignoring\n", acodec );
1113                 }
1114         }
1115
1116         // Check for video codec overides
1117         if ( ( vcodec && strcmp( vcodec, "none" ) == 0 ) || mlt_properties_get_int( properties, "vn" ) )
1118                 video_codec_id = CODEC_ID_NONE;
1119         else if ( vcodec )
1120         {
1121                 AVCodec *p = avcodec_find_encoder_by_name( vcodec );
1122                 if ( p != NULL )
1123                 {
1124                         video_codec_id = p->id;
1125                 }
1126                 else
1127                 {
1128                         video_codec_id = CODEC_ID_NONE;
1129                         mlt_log_warning( MLT_CONSUMER_SERVICE( consumer ), "video codec %s unrecognised - ignoring\n", vcodec );
1130                 }
1131         }
1132
1133         // Write metadata
1134 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(31<<8)+0)
1135         for ( i = 0; i < mlt_properties_count( properties ); i++ )
1136         {
1137                 char *name = mlt_properties_get_name( properties, i );
1138                 if ( name && !strncmp( name, "meta.attr.", 10 ) )
1139                 {
1140                         char *key = strdup( name + 10 );
1141                         char *markup = strrchr( key, '.' );
1142                         if ( markup && !strcmp( markup, ".markup") )
1143                         {
1144                                 markup[0] = '\0';
1145                                 if ( !strstr( key, ".stream." ) )
1146 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(43<<8)+0)
1147                                         av_metadata_set2( &oc->metadata, key, mlt_properties_get_value( properties, i ), 0 );
1148 #else
1149                                         av_metadata_set( &oc->metadata, key, mlt_properties_get_value( properties, i ) );
1150 #endif
1151                         }
1152                         free( key );
1153                 }
1154         }
1155 #else
1156         char *tmp = NULL;
1157         int metavalue;
1158
1159         tmp = mlt_properties_get( properties, "meta.attr.title.markup");
1160         if (tmp != NULL) snprintf( oc->title, sizeof(oc->title), "%s", tmp );
1161
1162         tmp = mlt_properties_get( properties, "meta.attr.comment.markup");
1163         if (tmp != NULL) snprintf( oc->comment, sizeof(oc->comment), "%s", tmp );
1164
1165         tmp = mlt_properties_get( properties, "meta.attr.author.markup");
1166         if (tmp != NULL) snprintf( oc->author, sizeof(oc->author), "%s", tmp );
1167
1168         tmp = mlt_properties_get( properties, "meta.attr.copyright.markup");
1169         if (tmp != NULL) snprintf( oc->copyright, sizeof(oc->copyright), "%s", tmp );
1170
1171         tmp = mlt_properties_get( properties, "meta.attr.album.markup");
1172         if (tmp != NULL) snprintf( oc->album, sizeof(oc->album), "%s", tmp );
1173
1174         metavalue = mlt_properties_get_int( properties, "meta.attr.year.markup");
1175         if (metavalue != 0) oc->year = metavalue;
1176
1177         metavalue = mlt_properties_get_int( properties, "meta.attr.track.markup");
1178         if (metavalue != 0) oc->track = metavalue;
1179 #endif
1180
1181         oc->oformat = fmt;
1182         snprintf( oc->filename, sizeof(oc->filename), "%s", filename );
1183
1184         // Add audio and video streams
1185         if ( video_codec_id != CODEC_ID_NONE )
1186                 video_st = add_video_stream( consumer, oc, video_codec_id );
1187         if ( audio_codec_id != CODEC_ID_NONE )
1188         {
1189                 int is_multi = 0;
1190
1191                 total_channels = 0;
1192                 // multitrack audio
1193                 for ( i = 0; i < MAX_AUDIO_STREAMS; i++ )
1194                 {
1195                         sprintf( key, "channels.%d", i );
1196                         int j = mlt_properties_get_int( properties, key );
1197                         if ( j )
1198                         {
1199                                 is_multi = 1;
1200                                 total_channels += j;
1201                                 audio_st[i] = add_audio_stream( consumer, oc, audio_codec_id, j );
1202                         }
1203                 }
1204                 // single track
1205                 if ( !is_multi )
1206                 {
1207                         audio_st[0] = add_audio_stream( consumer, oc, audio_codec_id, channels );
1208                         total_channels = channels;
1209                 }
1210         }
1211
1212         // Set the parameters (even though we have none...)
1213         if ( av_set_parameters(oc, NULL) >= 0 )
1214         {
1215                 oc->preload = ( int )( mlt_properties_get_double( properties, "muxpreload" ) * AV_TIME_BASE );
1216                 oc->max_delay= ( int )( mlt_properties_get_double( properties, "muxdelay" ) * AV_TIME_BASE );
1217
1218                 // Process properties as AVOptions
1219                 char *fpre = mlt_properties_get( properties, "fpre" );
1220                 if ( fpre )
1221                 {
1222                         mlt_properties p = mlt_properties_load( fpre );
1223                         apply_properties( oc, p, AV_OPT_FLAG_ENCODING_PARAM, 1 );
1224 #if LIBAVFORMAT_VERSION_MAJOR > 52
1225                         if ( oc->oformat && oc->oformat->priv_class && oc->priv_data )
1226                                 apply_properties( oc->priv_data, p, AV_OPT_FLAG_ENCODING_PARAM, 1 );
1227 #endif
1228                         mlt_properties_close( p );
1229                 }
1230                 apply_properties( oc, properties, AV_OPT_FLAG_ENCODING_PARAM, 0 );
1231 #if LIBAVFORMAT_VERSION_MAJOR > 52
1232                 if ( oc->oformat && oc->oformat->priv_class && oc->priv_data )
1233                         apply_properties( oc->priv_data, properties, AV_OPT_FLAG_ENCODING_PARAM, 1 );
1234 #endif
1235
1236                 if ( video_st && !open_video( properties, oc, video_st, vcodec? vcodec : NULL ) )
1237                         video_st = NULL;
1238                 for ( i = 0; i < MAX_AUDIO_STREAMS && audio_st[i]; i++ )
1239                 {
1240                         audio_input_frame_size = open_audio( properties, oc, audio_st[i], audio_outbuf_size,
1241                                 acodec? acodec : NULL );
1242                         if ( !audio_input_frame_size )
1243                                 audio_st[i] = NULL;
1244                 }
1245
1246                 // Open the output file, if needed
1247                 if ( !( fmt->flags & AVFMT_NOFILE ) )
1248                 {
1249 #if LIBAVFORMAT_VERSION_MAJOR > 52
1250                         if ( avio_open( &oc->pb, filename, AVIO_FLAG_WRITE ) < 0 )
1251 #else
1252                         if ( url_fopen( &oc->pb, filename, URL_WRONLY ) < 0 )
1253 #endif
1254                         {
1255                                 mlt_log_error( MLT_CONSUMER_SERVICE( consumer ), "Could not open '%s'\n", filename );
1256                                 mlt_properties_set_int( properties, "running", 0 );
1257                         }
1258                 }
1259
1260                 // Write the stream header.
1261                 if ( mlt_properties_get_int( properties, "running" ) )
1262                         av_write_header( oc );
1263         }
1264         else
1265         {
1266                 mlt_log_error( MLT_CONSUMER_SERVICE( consumer ), "Invalid output format parameters\n" );
1267                 mlt_properties_set_int( properties, "running", 0 );
1268         }
1269
1270         // Allocate picture
1271         if ( video_st )
1272                 output = alloc_picture( video_st->codec->pix_fmt, width, height );
1273
1274         // Last check - need at least one stream
1275         if ( !audio_st[0] && !video_st )
1276                 mlt_properties_set_int( properties, "running", 0 );
1277
1278         // Get the starting time (can ignore the times above)
1279         gettimeofday( &ante, NULL );
1280
1281         // Loop while running
1282         while( mlt_properties_get_int( properties, "running" ) &&
1283                ( !terminated || ( video_st && mlt_deque_count( queue ) ) ) )
1284         {
1285                 frame = mlt_consumer_rt_frame( consumer );
1286
1287                 // Check that we have a frame to work with
1288                 if ( frame != NULL )
1289                 {
1290                         // Increment frames dispatched
1291                         frames ++;
1292
1293                         // Default audio args
1294                         frame_properties = MLT_FRAME_PROPERTIES( frame );
1295
1296                         // Check for the terminated condition
1297                         terminated = terminate_on_pause && mlt_properties_get_double( frame_properties, "_speed" ) == 0.0;
1298
1299                         // Get audio and append to the fifo
1300                         if ( !terminated && audio_st[0] )
1301                         {
1302                                 samples = mlt_sample_calculator( fps, frequency, count ++ );
1303                                 mlt_frame_get_audio( frame, (void**) &pcm, &aud_fmt, &frequency, &channels, &samples );
1304
1305                                 // Save the audio channel remap properties for later
1306                                 mlt_properties_pass( frame_meta_properties, frame_properties, "meta.map.audio." );
1307
1308                                 // Create the fifo if we don't have one
1309                                 if ( fifo == NULL )
1310                                 {
1311                                         fifo = sample_fifo_init( frequency, channels );
1312                                         mlt_properties_set_data( properties, "sample_fifo", fifo, 0, ( mlt_destructor )sample_fifo_close, NULL );
1313                                 }
1314
1315                                 // Silence if not normal forward speed
1316                                 if ( mlt_properties_get_double( frame_properties, "_speed" ) != 1.0 )
1317                                         memset( pcm, 0, samples * channels * 2 );
1318
1319                                 // Append the samples
1320                                 sample_fifo_append( fifo, pcm, samples * channels );
1321                                 total_time += ( samples * 1000000 ) / frequency;
1322
1323                                 if ( !video_st )
1324                                         mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
1325                         }
1326
1327                         // Encode the image
1328                         if ( !terminated && video_st )
1329                                 mlt_deque_push_back( queue, frame );
1330                         else
1331                                 mlt_frame_close( frame );
1332                 }
1333
1334                 // While we have stuff to process, process...
1335                 while ( 1 )
1336                 {
1337                         // Write interleaved audio and video frames
1338                         if ( !video_st || ( video_st && audio_st[0] && audio_pts < video_pts ) )
1339                         {
1340                                 // Write audio
1341                                 if ( ( video_st && terminated ) || ( channels * audio_input_frame_size ) < sample_fifo_used( fifo ) )
1342                                 {
1343                                         int j = 0; // channel offset into interleaved source buffer
1344                                         int n = FFMIN( FFMIN( channels * audio_input_frame_size, sample_fifo_used( fifo ) ), AUDIO_ENCODE_BUFFER_SIZE );
1345
1346                                         // Get the audio samples
1347                                         if ( n > 0 )
1348                                         {
1349                                                 sample_fifo_fetch( fifo, audio_buf_1, n );
1350                                         }
1351                                         else if ( audio_codec_id == CODEC_ID_VORBIS && terminated )
1352                                         {
1353                                                 // This prevents an infinite loop when some versions of vorbis do not
1354                                                 // increment pts when encoding silence.
1355                                                 audio_pts = video_pts;
1356                                                 break;
1357                                         }
1358                                         else
1359                                         {
1360                                                 memset( audio_buf_1, 0, AUDIO_ENCODE_BUFFER_SIZE );
1361                                         }
1362                                         samples = n / channels;
1363
1364                                         // For each output stream
1365                                         for ( i = 0; i < MAX_AUDIO_STREAMS && audio_st[i] && j < total_channels; i++ )
1366                                         {
1367                                                 AVStream *stream = audio_st[i];
1368                                                 AVCodecContext *codec = stream->codec;
1369                                                 AVPacket pkt;
1370
1371                                                 av_init_packet( &pkt );
1372
1373                                                 // Optimized for single track and no channel remap
1374                                                 if ( !audio_st[1] && !mlt_properties_count( frame_meta_properties ) )
1375                                                 {
1376                                                         pkt.size = avcodec_encode_audio( codec, audio_outbuf, audio_outbuf_size, audio_buf_1 );
1377                                                 }
1378                                                 else
1379                                                 {
1380                                                         // Extract the audio channels according to channel mapping
1381                                                         int dest_offset = 0; // channel offset into interleaved dest buffer
1382
1383                                                         // Get the number of channels for this stream
1384                                                         sprintf( key, "channels.%d", i );
1385                                                         int current_channels = mlt_properties_get_int( properties, key );
1386
1387                                                         // Clear the destination audio buffer.
1388                                                         if ( !audio_buf_2 )
1389                                                                 audio_buf_2 = av_mallocz( AUDIO_ENCODE_BUFFER_SIZE );
1390                                                         else
1391                                                                 memset( audio_buf_2, 0, AUDIO_ENCODE_BUFFER_SIZE );
1392
1393                                                         // For each output channel
1394                                                         while ( dest_offset < current_channels && j < total_channels )
1395                                                         {
1396                                                                 int map_start = -1, map_channels = 0;
1397                                                                 int source_offset = 0;
1398                                                                 int k;
1399
1400                                                                 // Look for a mapping that starts at j
1401                                                                 for ( k = 0; k < (MAX_AUDIO_STREAMS * 2) && map_start != j; k++ )
1402                                                                 {
1403                                                                         sprintf( key, "%d.channels", k );
1404                                                                         map_channels = mlt_properties_get_int( frame_meta_properties, key );
1405                                                                         sprintf( key, "%d.start", k );
1406                                                                         if ( mlt_properties_get( frame_meta_properties, key ) )
1407                                                                                 map_start = mlt_properties_get_int( frame_meta_properties, key );
1408                                                                         if ( map_start != j )
1409                                                                                 source_offset += map_channels;
1410                                                                 }
1411
1412                                                                 // If no mapping
1413                                                                 if ( map_start != j )
1414                                                                 {
1415                                                                         map_channels = current_channels;
1416                                                                         source_offset = j;
1417                                                                 }
1418
1419                                                                 // Copy samples if source offset valid
1420                                                                 if ( source_offset < channels )
1421                                                                 {
1422                                                                         // Interleave the audio buffer with the # channels for this stream/mapping.
1423                                                                         for ( k = 0; k < map_channels; k++, j++, source_offset++, dest_offset++ )
1424                                                                         {
1425                                                                                 int16_t *src = audio_buf_1 + source_offset;
1426                                                                                 int16_t *dest = audio_buf_2 + dest_offset;
1427                                                                                 int s = samples + 1;
1428
1429                                                                                 while ( --s ) {
1430                                                                                         *dest = *src;
1431                                                                                         dest += current_channels;
1432                                                                                         src += channels;
1433                                                                                 }
1434                                                                         }
1435                                                                 }
1436                                                                 // Otherwise silence
1437                                                                 else
1438                                                                 {
1439                                                                         j += current_channels;
1440                                                                         dest_offset += current_channels;
1441                                                                 }
1442                                                         }
1443                                                         pkt.size = avcodec_encode_audio( codec, audio_outbuf, audio_outbuf_size, audio_buf_2 );
1444                                                 }
1445
1446                                                 // Write the compressed frame in the media file
1447                                                 if ( codec->coded_frame && codec->coded_frame->pts != AV_NOPTS_VALUE )
1448                                                 {
1449                                                         pkt.pts = av_rescale_q( codec->coded_frame->pts, codec->time_base, stream->time_base );
1450                                                         mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "audio stream %d pkt pts %"PRId64" frame pts %"PRId64,
1451                                                                 stream->index, pkt.pts, codec->coded_frame->pts );
1452                                                 }
1453                                                 pkt.flags |= PKT_FLAG_KEY;
1454                                                 pkt.stream_index = stream->index;
1455                                                 pkt.data = audio_outbuf;
1456
1457                                                 if ( pkt.size > 0 )
1458                                                 {
1459                                                         if ( av_interleaved_write_frame( oc, &pkt ) )
1460                                                         {
1461                                                                 mlt_log_fatal( MLT_CONSUMER_SERVICE( consumer ), "error writing audio frame\n" );
1462                                                                 mlt_events_fire( properties, "consumer-fatal-error", NULL );
1463                                                                 goto on_fatal_error;
1464                                                         }
1465                                                 }
1466
1467                                                 mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), " frame_size %d\n", codec->frame_size );
1468                                                 if ( i == 0 )
1469                                                 {
1470                                                         audio_pts = (double)stream->pts.val * av_q2d( stream->time_base );
1471                                                 }
1472                                         }
1473                                 }
1474                                 else
1475                                 {
1476                                         break;
1477                                 }
1478                         }
1479                         else if ( video_st )
1480                         {
1481                                 // Write video
1482                                 if ( mlt_deque_count( queue ) )
1483                                 {
1484                                         int out_size, ret = 0;
1485                                         AVCodecContext *c;
1486
1487                                         frame = mlt_deque_pop_front( queue );
1488                                         frame_properties = MLT_FRAME_PROPERTIES( frame );
1489
1490                                         c = video_st->codec;
1491
1492                                         if ( mlt_properties_get_int( frame_properties, "rendered" ) )
1493                                         {
1494                                                 int i = 0;
1495                                                 uint8_t *p;
1496                                                 uint8_t *q;
1497
1498                                                 mlt_frame_get_image( frame, &image, &img_fmt, &img_width, &img_height, 0 );
1499
1500                                                 q = image;
1501
1502                                                 // Convert the mlt frame to an AVPicture
1503                                                 for ( i = 0; i < height; i ++ )
1504                                                 {
1505                                                         p = input->data[ 0 ] + i * input->linesize[ 0 ];
1506                                                         memcpy( p, q, width * 2 );
1507                                                         q += width * 2;
1508                                                 }
1509
1510                                                 // Do the colour space conversion
1511 #ifdef SWSCALE
1512                                                 int flags = SWS_BILINEAR;
1513 #ifdef USE_MMX
1514                                                 flags |= SWS_CPU_CAPS_MMX;
1515 #endif
1516 #ifdef USE_SSE
1517                                                 flags |= SWS_CPU_CAPS_MMX2;
1518 #endif
1519                                                 struct SwsContext *context = sws_getContext( width, height, PIX_FMT_YUYV422,
1520                                                         width, height, video_st->codec->pix_fmt, flags, NULL, NULL, NULL);
1521                                                 sws_scale( context, (const uint8_t* const*) input->data, input->linesize, 0, height,
1522                                                         output->data, output->linesize);
1523                                                 sws_freeContext( context );
1524 #else
1525                                                 img_convert( ( AVPicture * )output, video_st->codec->pix_fmt, ( AVPicture * )input, PIX_FMT_YUYV422, width, height );
1526 #endif
1527
1528                                                 mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
1529
1530                                                 // Apply the alpha if applicable
1531                                                 if ( video_st->codec->pix_fmt == PIX_FMT_RGB32 )
1532                                                 {
1533                                                         uint8_t *alpha = mlt_frame_get_alpha_mask( frame );
1534                                                         register int n;
1535
1536                                                         for ( i = 0; i < height; i ++ )
1537                                                         {
1538                                                                 n = ( width + 7 ) / 8;
1539                                                                 p = output->data[ 0 ] + i * output->linesize[ 0 ] + 3;
1540
1541                                                                 switch( width % 8 )
1542                                                                 {
1543                                                                         case 0: do { *p = *alpha++; p += 4;
1544                                                                         case 7:          *p = *alpha++; p += 4;
1545                                                                         case 6:          *p = *alpha++; p += 4;
1546                                                                         case 5:          *p = *alpha++; p += 4;
1547                                                                         case 4:          *p = *alpha++; p += 4;
1548                                                                         case 3:          *p = *alpha++; p += 4;
1549                                                                         case 2:          *p = *alpha++; p += 4;
1550                                                                         case 1:          *p = *alpha++; p += 4;
1551                                                                                         }
1552                                                                                         while( --n );
1553                                                                 }
1554                                                         }
1555                                                 }
1556                                         }
1557
1558                                         if (oc->oformat->flags & AVFMT_RAWPICTURE)
1559                                         {
1560                                                 // raw video case. The API will change slightly in the near future for that
1561                                                 AVPacket pkt;
1562                                                 av_init_packet(&pkt);
1563
1564                                                 pkt.flags |= PKT_FLAG_KEY;
1565                                                 pkt.stream_index= video_st->index;
1566                                                 pkt.data= (uint8_t *)output;
1567                                                 pkt.size= sizeof(AVPicture);
1568
1569                                                 ret = av_write_frame(oc, &pkt);
1570                                                 video_pts += c->frame_size;
1571                                         }
1572                                         else
1573                                         {
1574                                                 // Set the quality
1575                                                 output->quality = video_st->quality;
1576
1577                                                 // Set frame interlace hints
1578                                                 output->interlaced_frame = !mlt_properties_get_int( frame_properties, "progressive" );
1579                                                 output->top_field_first = mlt_properties_get_int( frame_properties, "top_field_first" );
1580                                                 output->pts = frame_count;
1581
1582                                                 // Encode the image
1583                                                 out_size = avcodec_encode_video(c, video_outbuf, video_outbuf_size, output );
1584
1585                                                 // If zero size, it means the image was buffered
1586                                                 if ( out_size > 0 )
1587                                                 {
1588                                                         AVPacket pkt;
1589                                                         av_init_packet( &pkt );
1590
1591                                                         if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
1592                                                                 pkt.pts= av_rescale_q( c->coded_frame->pts, c->time_base, video_st->time_base );
1593                                                         mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "video pkt pts %"PRId64" frame pts %"PRId64, pkt.pts, c->coded_frame->pts );
1594                                                         if( c->coded_frame && c->coded_frame->key_frame )
1595                                                                 pkt.flags |= PKT_FLAG_KEY;
1596                                                         pkt.stream_index= video_st->index;
1597                                                         pkt.data= video_outbuf;
1598                                                         pkt.size= out_size;
1599
1600                                                         // write the compressed frame in the media file
1601                                                         ret = av_interleaved_write_frame(oc, &pkt);
1602                                                         mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), " frame_size %d\n", c->frame_size );
1603                                                         video_pts = (double)video_st->pts.val * av_q2d( video_st->time_base );
1604
1605                                                         // Dual pass logging
1606                                                         if ( mlt_properties_get_data( properties, "_logfile", NULL ) && c->stats_out )
1607                                                                 fprintf( mlt_properties_get_data( properties, "_logfile", NULL ), "%s", c->stats_out );
1608                                                 }
1609                                                 else if ( out_size < 0 )
1610                                                 {
1611                                                         mlt_log_warning( MLT_CONSUMER_SERVICE( consumer ), "error with video encode %d\n", frame_count );
1612                                                 }
1613                                         }
1614                                         frame_count++;
1615                                         if ( ret )
1616                                         {
1617                                                 mlt_log_fatal( MLT_CONSUMER_SERVICE( consumer ), "error writing video frame\n" );
1618                                                 mlt_events_fire( properties, "consumer-fatal-error", NULL );
1619                                                 goto on_fatal_error;
1620                                         }
1621                                         mlt_frame_close( frame );
1622                                 }
1623                                 else
1624                                 {
1625                                         break;
1626                                 }
1627                         }
1628                         if ( audio_st[0] )
1629                                 mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "audio pts %"PRId64" (%f) ", audio_st[0]->pts.val, audio_pts );
1630                         if ( video_st )
1631                                 mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "video pts %"PRId64" (%f) ", video_st->pts.val, video_pts );
1632                         mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "\n" );
1633                 }
1634
1635                 if ( real_time_output == 1 && frames % 2 == 0 )
1636                 {
1637                         long passed = time_difference( &ante );
1638                         if ( fifo != NULL )
1639                         {
1640                                 long pending = ( ( ( long )sample_fifo_used( fifo ) * 1000 ) / frequency ) * 1000;
1641                                 passed -= pending;
1642                         }
1643                         if ( passed < total_time )
1644                         {
1645                                 long total = ( total_time - passed );
1646                                 struct timespec t = { total / 1000000, ( total % 1000000 ) * 1000 };
1647                                 nanosleep( &t, NULL );
1648                         }
1649                 }
1650         }
1651
1652         // Flush the encoder buffers
1653         if ( real_time_output <= 0 )
1654         {
1655                 // Flush audio fifo
1656                 // TODO: flush all audio streams
1657                 if ( audio_st[0] && audio_st[0]->codec->frame_size > 1 ) for (;;)
1658                 {
1659                         AVCodecContext *c = audio_st[0]->codec;
1660                         AVPacket pkt;
1661                         av_init_packet( &pkt );
1662                         pkt.size = 0;
1663
1664                         if ( /*( c->capabilities & CODEC_CAP_SMALL_LAST_FRAME ) &&*/
1665                                 ( channels * audio_input_frame_size < sample_fifo_used( fifo ) ) )
1666                         {
1667                                 sample_fifo_fetch( fifo, audio_buf_1, channels * audio_input_frame_size );
1668                                 pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, audio_buf_1 );
1669                         }
1670                         if ( pkt.size <= 0 )
1671                                 pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, NULL );
1672                         mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "flushing audio size %d\n", pkt.size );
1673                         if ( pkt.size <= 0 )
1674                                 break;
1675
1676                         // Write the compressed frame in the media file
1677                         if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
1678                                 pkt.pts = av_rescale_q( c->coded_frame->pts, c->time_base, audio_st[0]->time_base );
1679                         pkt.flags |= PKT_FLAG_KEY;
1680                         pkt.stream_index = audio_st[0]->index;
1681                         pkt.data = audio_outbuf;
1682                         if ( av_interleaved_write_frame( oc, &pkt ) != 0 )
1683                         {
1684                                 mlt_log_fatal( MLT_CONSUMER_SERVICE( consumer ), "error writing flushed audio frame\n" );
1685                                 mlt_events_fire( properties, "consumer-fatal-error", NULL );
1686                                 goto on_fatal_error;
1687                         }
1688                 }
1689
1690                 // Flush video
1691                 if ( video_st && !( oc->oformat->flags & AVFMT_RAWPICTURE ) ) for (;;)
1692                 {
1693                         AVCodecContext *c = video_st->codec;
1694                         AVPacket pkt;
1695                         av_init_packet( &pkt );
1696
1697                         // Encode the image
1698                         pkt.size = avcodec_encode_video( c, video_outbuf, video_outbuf_size, NULL );
1699                         mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "flushing video size %d\n", pkt.size );
1700                         if ( pkt.size <= 0 )
1701                                 break;
1702
1703                         if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
1704                                 pkt.pts= av_rescale_q( c->coded_frame->pts, c->time_base, video_st->time_base );
1705                         if( c->coded_frame && c->coded_frame->key_frame )
1706                                 pkt.flags |= PKT_FLAG_KEY;
1707                         pkt.stream_index = video_st->index;
1708                         pkt.data = video_outbuf;
1709
1710                         // write the compressed frame in the media file
1711                         if ( av_interleaved_write_frame( oc, &pkt ) != 0 )
1712                         {
1713                                 mlt_log_fatal( MLT_CONSUMER_SERVICE(consumer), "error writing flushed video frame\n" );
1714                                 mlt_events_fire( properties, "consumer-fatal-error", NULL );
1715                                 goto on_fatal_error;
1716                         }
1717                         // Dual pass logging
1718                         if ( mlt_properties_get_data( properties, "_logfile", NULL ) && c->stats_out )
1719                                 fprintf( mlt_properties_get_data( properties, "_logfile", NULL ), "%s", c->stats_out );
1720                 }
1721         }
1722
1723 on_fatal_error:
1724
1725         // Write the trailer, if any
1726         av_write_trailer( oc );
1727
1728         // close each codec
1729         if ( video_st )
1730                 close_video(oc, video_st);
1731         for ( i = 0; i < MAX_AUDIO_STREAMS && audio_st[i]; i++ )
1732                 close_audio( oc, audio_st[i] );
1733
1734         // Free the streams
1735         for ( i = 0; i < oc->nb_streams; i++ )
1736                 av_freep( &oc->streams[i] );
1737
1738         // Close the output file
1739         if ( !( fmt->flags & AVFMT_NOFILE ) )
1740 #if LIBAVFORMAT_VERSION_MAJOR > 52
1741                 avio_close( oc->pb );
1742 #elif LIBAVFORMAT_VERSION_INT >= ((52<<16)+(0<<8)+0)
1743                 url_fclose( oc->pb );
1744 #else
1745                 url_fclose( &oc->pb );
1746 #endif
1747
1748         // Clean up input and output frames
1749         if ( output )
1750                 av_free( output->data[0] );
1751         av_free( output );
1752         av_free( input->data[0] );
1753         av_free( input );
1754         av_free( video_outbuf );
1755         av_free( audio_buf_1 );
1756         av_free( audio_buf_2 );
1757
1758         // Free the stream
1759         av_free( oc );
1760
1761         // Just in case we terminated on pause
1762         mlt_properties_set_int( properties, "running", 0 );
1763
1764         mlt_consumer_stopped( consumer );
1765         mlt_properties_close( frame_meta_properties );
1766
1767         if ( mlt_properties_get_int( properties, "pass" ) > 1 )
1768         {
1769                 // Remove the dual pass log file
1770                 if ( mlt_properties_get( properties, "_logfilename" ) )
1771                         remove( mlt_properties_get( properties, "_logfilename" ) );
1772
1773                 // Remove the x264 dual pass logs
1774                 char *cwd = getcwd( NULL, 0 );
1775                 const char *file = "x264_2pass.log";
1776                 char *full = malloc( strlen( cwd ) + strlen( file ) + 2 );
1777                 sprintf( full, "%s/%s", cwd, file );
1778                 remove( full );
1779                 free( full );
1780                 file = "x264_2pass.log.temp";
1781                 full = malloc( strlen( cwd ) + strlen( file ) + 2 );
1782                 sprintf( full, "%s/%s", cwd, file );
1783                 remove( full );
1784                 free( full );
1785                 file = "x264_2pass.log.mbtree";
1786                 full = malloc( strlen( cwd ) + strlen( file ) + 2 );
1787                 sprintf( full, "%s/%s", cwd, file );
1788                 remove( full );
1789                 free( full );
1790                 free( cwd );
1791                 remove( "x264_2pass.log.temp" );
1792         }
1793
1794         return NULL;
1795 }
1796
1797 /** Close the consumer.
1798 */
1799
1800 static void consumer_close( mlt_consumer consumer )
1801 {
1802         // Stop the consumer
1803         mlt_consumer_stop( consumer );
1804
1805         // Close the parent
1806         mlt_consumer_close( consumer );
1807
1808         // Free the memory
1809         free( consumer );
1810 }