2 * producer_avformat.c -- avformat producer
3 * Copyright (C) 2003-2012 Ushodaya Enterprises Limited
4 * Author: Charles Yates <charles.yates@pandora.be>
5 * Author: Dan Dennedy <dan@dennedy.org>
6 * Much code borrowed from ffmpeg.c: Copyright (c) 2000-2003 Fabrice Bellard
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include <framework/mlt_producer.h>
25 #include <framework/mlt_frame.h>
26 #include <framework/mlt_profile.h>
27 #include <framework/mlt_log.h>
28 #include <framework/mlt_deque.h>
29 #include <framework/mlt_factory.h>
30 #include <framework/mlt_cache.h>
32 // ffmpeg Header files
33 #include <libavformat/avformat.h>
35 # include <libswscale/swscale.h>
38 #if LIBAVUTIL_VERSION_INT >= ((50<<16)+(38<<8)+0)
39 # include <libavutil/samplefmt.h>
41 # define AV_SAMPLE_FMT_S16 SAMPLE_FMT_S16
42 # define AV_SAMPLE_FMT_S32 SAMPLE_FMT_S32
43 # define AV_SAMPLE_FMT_FLT SAMPLE_FMT_FLT
44 # if (LIBAVCODEC_VERSION_INT >= ((51<<16)+(71<<8)+0))
45 const char *avcodec_get_sample_fmt_name(int sample_fmt);
50 # include <libavcodec/vdpau.h>
52 #if (LIBAVUTIL_VERSION_INT > ((50<<16)+(7<<8)+0))
53 # include <libavutil/pixdesc.h>
55 #if (LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0))
56 # include <libavutil/dict.h>
59 // System header files
65 #if LIBAVUTIL_VERSION_INT < (50<<16)
66 #define PIX_FMT_RGB32 PIX_FMT_RGBA32
67 #define PIX_FMT_YUYV422 PIX_FMT_YUV422
70 #if LIBAVCODEC_VERSION_MAJOR >= 53
71 #include <libavutil/opt.h>
72 #define CODEC_TYPE_VIDEO AVMEDIA_TYPE_VIDEO
73 #define CODEC_TYPE_AUDIO AVMEDIA_TYPE_AUDIO
74 #define PKT_FLAG_KEY AV_PKT_FLAG_KEY
76 #include <libavcodec/opt.h>
79 #define POSITION_INITIAL (-2)
80 #define POSITION_INVALID (-1)
82 #define MAX_AUDIO_STREAMS (32)
83 #define MAX_VDPAU_SURFACES (10)
85 struct producer_avformat_s
88 AVFormatContext *dummy_context;
89 AVFormatContext *audio_format;
90 AVFormatContext *video_format;
91 AVCodecContext *audio_codec[ MAX_AUDIO_STREAMS ];
92 AVCodecContext *video_codec;
95 ReSampleContext *audio_resample[ MAX_AUDIO_STREAMS ];
96 mlt_position audio_expected;
97 mlt_position video_expected;
101 int64_t last_position;
103 int64_t current_position;
104 mlt_position nonseek_position;
106 uint8_t *audio_buffer[ MAX_AUDIO_STREAMS ];
107 size_t audio_buffer_size[ MAX_AUDIO_STREAMS ];
108 uint8_t *decode_buffer[ MAX_AUDIO_STREAMS ];
109 int audio_used[ MAX_AUDIO_STREAMS ];
111 int audio_max_stream;
115 unsigned int invalid_pts_counter;
116 unsigned int invalid_dts_counter;
117 double resample_factor;
118 mlt_cache image_cache;
121 pthread_mutex_t video_mutex;
122 pthread_mutex_t audio_mutex;
125 pthread_mutex_t packets_mutex;
126 pthread_mutex_t open_mutex;
131 struct vdpau_render_state render_states[MAX_VDPAU_SURFACES];
145 typedef struct producer_avformat_s *producer_avformat;
147 // Forward references.
148 static int list_components( char* file );
149 static int producer_open( producer_avformat self, mlt_profile profile, const char *URL, int take_lock );
150 static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index );
151 static void producer_avformat_close( producer_avformat );
152 static void producer_close( mlt_producer parent );
153 static void producer_set_up_video( producer_avformat self, mlt_frame frame );
154 static void producer_set_up_audio( producer_avformat self, mlt_frame frame );
155 static void apply_properties( void *obj, mlt_properties properties, int flags );
156 static int video_codec_init( producer_avformat self, int index, mlt_properties properties );
157 static void get_audio_streams_info( producer_avformat self );
163 /** Constructor for libavformat.
166 mlt_producer producer_avformat_init( mlt_profile profile, const char *service, char *file )
168 if ( list_components( file ) )
171 mlt_producer producer = NULL;
173 // Check that we have a non-NULL argument
176 // Construct the producer
177 producer_avformat self = calloc( 1, sizeof( struct producer_avformat_s ) );
178 producer = calloc( 1, sizeof( struct mlt_producer_s ) );
181 if ( mlt_producer_init( producer, self ) == 0 )
183 self->parent = producer;
185 // Get the properties
186 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
188 // Set the resource property (required for all producers)
189 mlt_properties_set( properties, "resource", file );
191 // Register transport implementation with the producer
192 producer->close = (mlt_destructor) producer_close;
194 // Register our get_frame implementation
195 producer->get_frame = producer_get_frame;
198 pthread_mutex_init( &self->audio_mutex, NULL );
199 pthread_mutex_init( &self->video_mutex, NULL );
200 pthread_mutex_init( &self->packets_mutex, NULL );
201 pthread_mutex_init( &self->open_mutex, NULL );
204 self->apackets = mlt_deque_init();
205 self->vpackets = mlt_deque_init();
207 if ( strcmp( service, "avformat-novalidate" ) )
210 if ( producer_open( self, profile, file, 1 ) != 0 )
213 mlt_producer_close( producer );
215 producer_avformat_close( self );
217 else if ( self->seekable )
219 // Close the file to release resources for large playlists - reopen later as needed
220 #if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
221 if ( self->audio_format )
222 avformat_close_input( &self->audio_format );
223 if ( self->video_format )
224 avformat_close_input( &self->video_format );
226 if ( self->audio_format )
227 av_close_input_file( self->audio_format );
228 if ( self->video_format )
229 av_close_input_file( self->video_format );
231 self->audio_format = NULL;
232 self->video_format = NULL;
237 // Default the user-selectable indices from the auto-detected indices
238 mlt_properties_set_int( properties, "audio_index", self->audio_index );
239 mlt_properties_set_int( properties, "video_index", self->video_index );
241 mlt_service_cache_set_size( MLT_PRODUCER_SERVICE(producer), "producer_avformat", 5 );
243 mlt_service_cache_put( MLT_PRODUCER_SERVICE(producer), "producer_avformat", self, 0, (mlt_destructor) producer_avformat_close );
250 int list_components( char* file )
254 // Report information about available demuxers and codecs as YAML Tiny
255 if ( file && strstr( file, "f-list" ) )
257 fprintf( stderr, "---\nformats:\n" );
258 AVInputFormat *format = NULL;
259 while ( ( format = av_iformat_next( format ) ) )
260 fprintf( stderr, " - %s\n", format->name );
261 fprintf( stderr, "...\n" );
264 if ( file && strstr( file, "acodec-list" ) )
266 fprintf( stderr, "---\naudio_codecs:\n" );
267 AVCodec *codec = NULL;
268 while ( ( codec = av_codec_next( codec ) ) )
269 if ( codec->decode && codec->type == CODEC_TYPE_AUDIO )
270 fprintf( stderr, " - %s\n", codec->name );
271 fprintf( stderr, "...\n" );
274 if ( file && strstr( file, "vcodec-list" ) )
276 fprintf( stderr, "---\nvideo_codecs:\n" );
277 AVCodec *codec = NULL;
278 while ( ( codec = av_codec_next( codec ) ) )
279 if ( codec->decode && codec->type == CODEC_TYPE_VIDEO )
280 fprintf( stderr, " - %s\n", codec->name );
281 fprintf( stderr, "...\n" );
288 /** Find the default streams.
291 static mlt_properties find_default_streams( producer_avformat self )
295 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
296 AVDictionaryEntry *tag = NULL;
298 AVMetadataTag *tag = NULL;
300 AVFormatContext *context = self->video_format;
301 mlt_properties meta_media = MLT_PRODUCER_PROPERTIES( self->parent );
303 // Default to the first audio and video streams found
304 self->audio_index = -1;
305 self->video_index = -1;
307 mlt_properties_set_int( meta_media, "meta.media.nb_streams", context->nb_streams );
309 // Allow for multiple audio and video streams in the file and select first of each (if available)
310 for( i = 0; i < context->nb_streams; i++ )
312 // Get the codec context
313 AVStream *stream = context->streams[ i ];
314 if ( ! stream ) continue;
315 AVCodecContext *codec_context = stream->codec;
316 if ( ! codec_context ) continue;
317 AVCodec *codec = avcodec_find_decoder( codec_context->codec_id );
318 if ( ! codec ) continue;
320 snprintf( key, sizeof(key), "meta.media.%d.stream.type", i );
322 // Determine the type and obtain the first index of each type
323 switch( codec_context->codec_type )
325 case CODEC_TYPE_VIDEO:
326 // Use first video stream
327 if ( self->video_index < 0 )
328 self->video_index = i;
329 mlt_properties_set( meta_media, key, "video" );
330 snprintf( key, sizeof(key), "meta.media.%d.stream.frame_rate", i );
331 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(42<<8)+0)
332 double ffmpeg_fps = av_q2d( context->streams[ i ]->avg_frame_rate );
333 if ( isnan( ffmpeg_fps ) || ffmpeg_fps == 0 )
334 ffmpeg_fps = av_q2d( context->streams[ i ]->r_frame_rate );
335 mlt_properties_set_double( meta_media, key, ffmpeg_fps );
337 mlt_properties_set_double( meta_media, key, av_q2d( context->streams[ i ]->r_frame_rate ) );
340 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
341 snprintf( key, sizeof(key), "meta.media.%d.stream.sample_aspect_ratio", i );
342 mlt_properties_set_double( meta_media, key, av_q2d( context->streams[ i ]->sample_aspect_ratio ) );
344 snprintf( key, sizeof(key), "meta.media.%d.codec.width", i );
345 mlt_properties_set_int( meta_media, key, codec_context->width );
346 snprintf( key, sizeof(key), "meta.media.%d.codec.height", i );
347 mlt_properties_set_int( meta_media, key, codec_context->height );
348 snprintf( key, sizeof(key), "meta.media.%d.codec.frame_rate", i );
349 mlt_properties_set_double( meta_media, key, (double) codec_context->time_base.den /
350 ( codec_context->time_base.num == 0 ? 1 : codec_context->time_base.num ) );
351 snprintf( key, sizeof(key), "meta.media.%d.codec.pix_fmt", i );
352 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(3<<8)+0)
353 mlt_properties_set( meta_media, key, av_get_pix_fmt_name( codec_context->pix_fmt ) );
355 mlt_properties_set( meta_media, key, avcodec_get_pix_fmt_name( codec_context->pix_fmt ) );
357 snprintf( key, sizeof(key), "meta.media.%d.codec.sample_aspect_ratio", i );
358 mlt_properties_set_double( meta_media, key, av_q2d( codec_context->sample_aspect_ratio ) );
359 #if LIBAVCODEC_VERSION_INT > ((52<<16)+(28<<8)+0)
360 snprintf( key, sizeof(key), "meta.media.%d.codec.colorspace", i );
361 switch ( codec_context->colorspace )
363 case AVCOL_SPC_SMPTE240M:
364 mlt_properties_set_int( meta_media, key, 240 );
366 case AVCOL_SPC_BT470BG:
367 case AVCOL_SPC_SMPTE170M:
368 mlt_properties_set_int( meta_media, key, 601 );
370 case AVCOL_SPC_BT709:
371 mlt_properties_set_int( meta_media, key, 709 );
374 // This is a heuristic Charles Poynton suggests in "Digital Video and HDTV"
375 mlt_properties_set_int( meta_media, key, codec_context->width * codec_context->height > 750000 ? 709 : 601 );
380 case CODEC_TYPE_AUDIO:
381 if ( !codec_context->channels )
383 // Use first audio stream
384 if ( self->audio_index < 0 )
385 self->audio_index = i;
386 mlt_properties_set( meta_media, key, "audio" );
387 #if LIBAVUTIL_VERSION_INT >= ((50<<16)+(38<<8)+0)
388 snprintf( key, sizeof(key), "meta.media.%d.codec.sample_fmt", i );
389 mlt_properties_set( meta_media, key, av_get_sample_fmt_name( codec_context->sample_fmt ) );
390 #elif (LIBAVCODEC_VERSION_INT >= ((51<<16)+(71<<8)+0))
391 snprintf( key, sizeof(key), "meta.media.%d.codec.sample_fmt", i );
392 mlt_properties_set( meta_media, key, avcodec_get_sample_fmt_name( codec_context->sample_fmt ) );
394 snprintf( key, sizeof(key), "meta.media.%d.codec.sample_rate", i );
395 mlt_properties_set_int( meta_media, key, codec_context->sample_rate );
396 snprintf( key, sizeof(key), "meta.media.%d.codec.channels", i );
397 mlt_properties_set_int( meta_media, key, codec_context->channels );
402 // snprintf( key, sizeof(key), "meta.media.%d.stream.time_base", i );
403 // mlt_properties_set_double( meta_media, key, av_q2d( context->streams[ i ]->time_base ) );
404 snprintf( key, sizeof(key), "meta.media.%d.codec.name", i );
405 mlt_properties_set( meta_media, key, codec->name );
406 #if (LIBAVCODEC_VERSION_INT >= ((51<<16)+(55<<8)+0))
407 snprintf( key, sizeof(key), "meta.media.%d.codec.long_name", i );
408 mlt_properties_set( meta_media, key, codec->long_name );
410 snprintf( key, sizeof(key), "meta.media.%d.codec.bit_rate", i );
411 mlt_properties_set_int( meta_media, key, codec_context->bit_rate );
412 // snprintf( key, sizeof(key), "meta.media.%d.codec.time_base", i );
413 // mlt_properties_set_double( meta_media, key, av_q2d( codec_context->time_base ) );
414 // snprintf( key, sizeof(key), "meta.media.%d.codec.profile", i );
415 // mlt_properties_set_int( meta_media, key, codec_context->profile );
416 // snprintf( key, sizeof(key), "meta.media.%d.codec.level", i );
417 // mlt_properties_set_int( meta_media, key, codec_context->level );
420 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(31<<8)+0)
421 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
422 while ( ( tag = av_dict_get( stream->metadata, "", tag, AV_DICT_IGNORE_SUFFIX ) ) )
424 while ( ( tag = av_metadata_get( stream->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX ) ) )
427 if ( tag->value && strcmp( tag->value, "" ) && strcmp( tag->value, "und" ) )
429 snprintf( key, sizeof(key), "meta.attr.%d.stream.%s.markup", i, tag->key );
430 mlt_properties_set( meta_media, key, tag->value );
435 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(31<<8)+0)
436 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
437 while ( ( tag = av_dict_get( context->metadata, "", tag, AV_DICT_IGNORE_SUFFIX ) ) )
439 while ( ( tag = av_metadata_get( context->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX ) ) )
442 if ( tag->value && strcmp( tag->value, "" ) && strcmp( tag->value, "und" ) )
444 snprintf( key, sizeof(key), "meta.attr.%s.markup", tag->key );
445 mlt_properties_set( meta_media, key, tag->value );
449 if ( context->title && strcmp( context->title, "" ) )
450 mlt_properties_set(properties, "meta.attr.title.markup", context->title );
451 if ( context->author && strcmp( context->author, "" ) )
452 mlt_properties_set(properties, "meta.attr.author.markup", context->author );
453 if ( context->copyright && strcmp( context->copyright, "" ) )
454 mlt_properties_set(properties, "meta.attr.copyright.markup", context->copyright );
455 if ( context->comment )
456 mlt_properties_set(properties, "meta.attr.comment.markup", context->comment );
457 if ( context->album )
458 mlt_properties_set(properties, "meta.attr.album.markup", context->album );
460 mlt_properties_set_int(properties, "meta.attr.year.markup", context->year );
461 if ( context->track )
462 mlt_properties_set_int(properties, "meta.attr.track.markup", context->track );
468 static inline int dv_is_pal( AVPacket *pkt )
470 return pkt->data[3] & 0x80;
473 static int dv_is_wide( AVPacket *pkt )
475 int i = 80 /* block size */ *3 /* VAUX starts at block 3 */ +3 /* skip block header */;
477 for ( ; i < pkt->size; i += 5 /* packet size */ )
479 if ( pkt->data[ i ] == 0x61 )
481 uint8_t x = pkt->data[ i + 2 ] & 0x7;
482 return ( x == 2 ) || ( x == 7 );
488 static double get_aspect_ratio( mlt_properties properties, AVStream *stream, AVCodecContext *codec_context, AVPacket *pkt )
490 double aspect_ratio = 1.0;
492 if ( codec_context->codec_id == CODEC_ID_DVVIDEO )
496 if ( dv_is_pal( pkt ) )
498 if ( dv_is_wide( pkt ) )
500 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 64 );
501 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 45 );
505 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 16 );
506 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 15 );
511 if ( dv_is_wide( pkt ) )
513 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 32 );
514 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 27 );
518 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 8 );
519 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 9 );
526 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
527 stream->sample_aspect_ratio;
529 codec_context->sample_aspect_ratio;
531 // Override FFmpeg's notion of DV aspect ratios, which are
532 // based upon a width of 704. Since we do not have a normaliser
533 // that crops (nor is cropping 720 wide ITU-R 601 video always desirable)
534 // we just coerce the values to facilitate a passive behaviour through
535 // the rescale normaliser when using equivalent producers and consumers.
536 // = display_aspect / (width * height)
537 if ( ar.num == 10 && ar.den == 11 )
540 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 8 );
541 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 9 );
543 else if ( ar.num == 59 && ar.den == 54 )
546 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 16 );
547 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 15 );
549 else if ( ar.num == 40 && ar.den == 33 )
552 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 32 );
553 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 27 );
555 else if ( ar.num == 118 && ar.den == 81 )
558 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 64 );
559 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 45 );
565 AVRational codec_sar = codec_context->sample_aspect_ratio;
566 AVRational stream_sar =
567 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
568 stream->sample_aspect_ratio;
572 if ( codec_sar.num > 0 )
574 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", codec_sar.num );
575 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", codec_sar.den );
577 else if ( stream_sar.num > 0 )
579 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", stream_sar.num );
580 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", stream_sar.den );
584 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 1 );
585 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 1 );
588 AVRational ar = { mlt_properties_get_double( properties, "meta.media.sample_aspect_num" ), mlt_properties_get_double( properties, "meta.media.sample_aspect_den" ) };
589 aspect_ratio = av_q2d( ar );
590 mlt_properties_set_double( properties, "aspect_ratio", aspect_ratio );
595 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
596 static char* parse_url( mlt_profile profile, const char* URL, AVInputFormat **format, AVDictionary **params )
598 static char* parse_url( mlt_profile profile, const char* URL, AVInputFormat **format, AVFormatParameters *params )
601 if ( !URL ) return NULL;
604 char *protocol = strdup( URL );
605 char *url = strchr( protocol, ':' );
607 // Only if there is not a protocol specification that avformat can handle
608 #if LIBAVFORMAT_VERSION_MAJOR >= 53
609 if ( url && avio_check( URL, 0 ) < 0 )
611 if ( url && !url_exist( URL ) )
614 // Truncate protocol string
616 mlt_log_debug( NULL, "%s: protocol=%s resource=%s\n", __FUNCTION__, protocol, url + 1 );
619 *format = av_find_input_format( protocol );
621 // Eat the format designator
626 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
627 // support for legacy width and height parameters
631 // These are required by video4linux2 (defaults)
632 params->width = profile->width;
633 params->height = profile->height;
634 if ( !strstr( URL, "&frame_rate" ) )
635 params->time_base = (AVRational){ profile->frame_rate_den, profile->frame_rate_num };
636 params->channels = 2;
637 params->sample_rate = 48000;
641 url = strchr( url, '?' );
645 char *name = strdup( ++url );
646 char *value = strchr( name, '=' );
648 // Also accept : as delimiter for backwards compatibility.
649 value = strchr( name, ':' );
654 char *t = strchr( value, '&' );
657 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
658 // translate old parameters to new av_dict names
659 if ( !strcmp( name, "frame_rate" ) )
660 av_dict_set( params, "framerate", value, 0 );
661 else if ( !strcmp( name, "pix_fmt" ) )
662 av_dict_set( params, "pixel_format", value, 0 );
663 else if ( !strcmp( name, "width" ) )
664 width = strdup( value );
665 else if ( !strcmp( name, "height" ) )
666 height = strdup( value );
668 // generic demux/device option support
669 av_dict_set( params, name, value, 0 );
671 if ( !strcmp( name, "frame_rate" ) )
672 params->time_base.den = atoi( value );
673 else if ( !strcmp( name, "frame_rate_base" ) )
674 params->time_base.num = atoi( value );
675 else if ( !strcmp( name, "sample_rate" ) )
676 params->sample_rate = atoi( value );
677 else if ( !strcmp( name, "channel" ) )
678 params->channel = atoi( value );
679 else if ( !strcmp( name, "channels" ) )
680 params->channels = atoi( value );
681 #if (LIBAVUTIL_VERSION_INT > ((50<<16)+(7<<8)+0))
682 else if ( !strcmp( name, "pix_fmt" ) )
683 params->pix_fmt = av_get_pix_fmt( value );
685 else if ( !strcmp( name, "width" ) )
686 params->width = atoi( value );
687 else if ( !strcmp( name, "height" ) )
688 params->height = atoi( value );
689 else if ( !strcmp( name, "standard" ) )
690 params->standard = strdup( value );
694 url = strchr( url, '&' );
696 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
697 // continued support for legacy width and height parameters
698 if ( width && height )
700 char *s = malloc( strlen( width ) + strlen( height ) + 2 );
704 av_dict_set( params, "video_size", s, 0 );
707 if ( width ) free( width );
708 if ( height ) free ( height );
711 result = strdup( result );
715 result = strdup( URL );
721 static int get_basic_info( producer_avformat self, mlt_profile profile, const char *filename )
725 // Get the properties
726 mlt_properties properties = MLT_PRODUCER_PROPERTIES( self->parent );
728 AVFormatContext *format = self->video_format;
730 // We will treat everything with the producer fps.
731 // TODO: make this more flexible.
732 double fps = mlt_profile_fps( profile );
735 if ( !mlt_properties_get_int( properties, "_length_computed" ) )
737 // The _length_computed flag prevents overwriting explicity set length/out/eof properties
738 // when producer_open is called after initial call when restoring or reseting the producer.
739 if ( format->duration != AV_NOPTS_VALUE )
741 // This isn't going to be accurate for all formats
742 mlt_position frames = ( mlt_position )( ( ( double )format->duration / ( double )AV_TIME_BASE ) * fps );
743 mlt_properties_set_position( properties, "out", frames - 1 );
744 mlt_properties_set_position( properties, "length", frames );
745 mlt_properties_set_int( properties, "_length_computed", 1 );
749 // Set live sources to run forever
750 mlt_properties_set_position( properties, "length", INT_MAX );
751 mlt_properties_set_position( properties, "out", INT_MAX - 1 );
752 mlt_properties_set( properties, "eof", "loop" );
753 mlt_properties_set_int( properties, "_length_computed", 1 );
757 // Check if we're seekable
758 // avdevices are typically AVFMT_NOFILE and not seekable
759 self->seekable = !format->iformat || !( format->iformat->flags & AVFMT_NOFILE );
762 // protocols can indicate if they support seeking
763 #if LIBAVFORMAT_VERSION_MAJOR >= 53
764 self->seekable = format->pb->seekable;
766 URLContext *uc = url_fileno( format->pb );
768 self->seekable = !uc->is_streamed;
771 if ( self->seekable )
773 // Do a more rigourous test of seekable on a disposable context
774 self->seekable = av_seek_frame( format, -1, format->start_time, AVSEEK_FLAG_BACKWARD ) >= 0;
775 mlt_properties_set_int( properties, "seekable", self->seekable );
776 self->dummy_context = format;
777 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
778 self->video_format = NULL;
779 avformat_open_input( &self->video_format, filename, NULL, NULL );
780 avformat_find_stream_info( self->video_format, NULL );
782 av_open_input_file( &self->video_format, filename, NULL, 0, NULL );
783 av_find_stream_info( self->video_format );
785 format = self->video_format;
788 // Fetch the width, height and aspect ratio
789 if ( self->video_index != -1 )
791 AVCodecContext *codec_context = format->streams[ self->video_index ]->codec;
792 mlt_properties_set_int( properties, "width", codec_context->width );
793 mlt_properties_set_int( properties, "height", codec_context->height );
795 if ( codec_context->codec_id == CODEC_ID_DVVIDEO )
797 // Fetch the first frame of DV so we can read it directly
802 ret = av_read_frame( format, &pkt );
803 if ( ret >= 0 && pkt.stream_index == self->video_index && pkt.size > 0 )
805 get_aspect_ratio( properties, format->streams[ self->video_index ], codec_context, &pkt );
806 av_free_packet(&pkt);
810 av_free_packet(&pkt);
815 get_aspect_ratio( properties, format->streams[ self->video_index ], codec_context, NULL );
819 // Verify that we can convert this to YUV 4:2:2
820 // TODO: we can now also return RGB and RGBA and quite possibly more in the future.
821 struct SwsContext *context = sws_getContext( codec_context->width, codec_context->height, codec_context->pix_fmt,
822 codec_context->width, codec_context->height, PIX_FMT_YUYV422, SWS_BILINEAR, NULL, NULL, NULL);
824 sws_freeContext( context );
835 static int producer_open( producer_avformat self, mlt_profile profile, const char *URL, int take_lock )
837 // Return an error code (0 == no error)
839 mlt_properties properties = MLT_PRODUCER_PROPERTIES( self->parent );
844 pthread_mutex_lock( &self->audio_mutex );
845 pthread_mutex_lock( &self->video_mutex );
847 mlt_events_block( properties, self->parent );
850 AVInputFormat *format = NULL;
851 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
852 AVDictionary *params = NULL;
854 AVFormatParameters params;
855 memset( ¶ms, 0, sizeof(params) );
857 char *filename = parse_url( profile, URL, &format, ¶ms );
859 // Now attempt to open the file or device with filename
860 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
861 error = avformat_open_input( &self->video_format, filename, format, ¶ms ) < 0;
863 // If the URL is a network stream URL, then we probably need to open with full URL
864 error = avformat_open_input( &self->video_format, URL, format, ¶ms ) < 0;
866 error = av_open_input_file( &self->video_format, filename, format, 0, ¶ms ) < 0;
868 // If the URL is a network stream URL, then we probably need to open with full URL
869 error = av_open_input_file( &self->video_format, URL, format, 0, ¶ms ) < 0;
872 // Set MLT properties onto video AVFormatContext
873 if ( !error && self->video_format )
875 apply_properties( self->video_format, properties, AV_OPT_FLAG_DECODING_PARAM );
876 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(110<<8)+0)
877 if ( self->video_format->iformat && self->video_format->iformat->priv_class && self->video_format->priv_data )
878 apply_properties( self->video_format->priv_data, properties, AV_OPT_FLAG_DECODING_PARAM );
882 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
883 av_dict_free( ¶ms );
885 // Cleanup AVFormatParameters
886 if ( params.standard )
887 free( (void*) params.standard );
890 // If successful, then try to get additional info
891 if ( !error && self->video_format )
893 // Get the stream info
894 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
895 error = avformat_find_stream_info( self->video_format, NULL ) < 0;
897 error = av_find_stream_info( self->video_format ) < 0;
900 // Continue if no error
901 if ( !error && self->video_format )
903 // Find default audio and video streams
904 find_default_streams( self );
905 error = get_basic_info( self, profile, filename );
907 // Initialize position info
908 self->first_pts = AV_NOPTS_VALUE;
909 self->last_position = POSITION_INITIAL;
911 if ( !self->audio_format )
913 // We're going to cheat here - for seekable A/V files, we will have separate contexts
914 // to support independent seeking of audio from video.
915 // TODO: Is this really necessary?
916 if ( self->audio_index != -1 && self->video_index != -1 )
918 if ( self->seekable )
920 // And open again for our audio context
921 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
922 avformat_open_input( &self->audio_format, filename, NULL, NULL );
923 apply_properties( self->audio_format, properties, AV_OPT_FLAG_DECODING_PARAM );
924 if ( self->audio_format->iformat && self->audio_format->iformat->priv_class && self->audio_format->priv_data )
925 apply_properties( self->audio_format->priv_data, properties, AV_OPT_FLAG_DECODING_PARAM );
926 avformat_find_stream_info( self->audio_format, NULL );
928 av_open_input_file( &self->audio_format, filename, NULL, 0, NULL );
929 apply_properties( self->audio_format, properties, AV_OPT_FLAG_DECODING_PARAM );
930 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(110<<8)+0)
931 if ( self->audio_format->iformat && self->audio_format->iformat->priv_class && self->audio_format->priv_data )
932 apply_properties( self->audio_format->priv_data, properties, AV_OPT_FLAG_DECODING_PARAM );
934 av_find_stream_info( self->audio_format );
939 self->audio_format = self->video_format;
942 else if ( self->audio_index != -1 )
944 // We only have an audio context
945 self->audio_format = self->video_format;
946 self->video_format = NULL;
948 else if ( self->video_index == -1 )
950 // Something has gone wrong
953 if ( self->audio_format && !self->audio_streams )
954 get_audio_streams_info( self );
961 if ( self->dummy_context )
963 pthread_mutex_lock( &self->open_mutex );
964 #if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
965 avformat_close_input( &self->dummy_context );
967 av_close_input_file( self->dummy_context );
969 self->dummy_context = NULL;
970 pthread_mutex_unlock( &self->open_mutex );
973 // Unlock the service
976 pthread_mutex_unlock( &self->audio_mutex );
977 pthread_mutex_unlock( &self->video_mutex );
979 mlt_events_unblock( properties, self->parent );
984 static void reopen_video( producer_avformat self, mlt_producer producer )
986 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
987 mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
988 pthread_mutex_lock( &self->audio_mutex );
989 pthread_mutex_lock( &self->open_mutex );
991 if ( self->video_codec )
992 avcodec_close( self->video_codec );
993 self->video_codec = NULL;
994 #if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
995 if ( self->dummy_context )
996 avformat_close_input( &self->dummy_context );
997 if ( self->video_format )
998 avformat_close_input( &self->video_format );
1000 if ( self->dummy_context )
1001 av_close_input_file( self->dummy_context );
1002 if ( self->video_format )
1003 av_close_input_file( self->video_format );
1005 self->dummy_context = NULL;
1006 self->video_format = NULL;
1007 pthread_mutex_unlock( &self->open_mutex );
1009 int audio_index = self->audio_index;
1010 int video_index = self->video_index;
1012 producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
1013 mlt_properties_get( properties, "resource" ), 0 );
1015 self->audio_index = audio_index;
1016 if ( self->video_format && video_index > -1 )
1018 self->video_index = video_index;
1019 video_codec_init( self, video_index, properties );
1022 pthread_mutex_unlock( &self->audio_mutex );
1023 mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
1026 static int64_t best_pts( producer_avformat self, int64_t pts, int64_t dts )
1028 self->invalid_pts_counter += pts == AV_NOPTS_VALUE;
1029 self->invalid_dts_counter += dts == AV_NOPTS_VALUE;
1030 if ( ( self->invalid_pts_counter <= self->invalid_dts_counter
1031 || dts == AV_NOPTS_VALUE ) && pts != AV_NOPTS_VALUE )
1037 static int seek_video( producer_avformat self, mlt_position position,
1038 int64_t req_position, int preseek )
1040 mlt_producer producer = self->parent;
1043 if ( self->seekable && ( position != self->video_expected || self->last_position < 0 ) )
1045 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
1047 // Fetch the video format context
1048 AVFormatContext *context = self->video_format;
1050 // Get the video stream
1051 AVStream *stream = context->streams[ self->video_index ];
1053 // Get codec context
1054 AVCodecContext *codec_context = stream->codec;
1056 // We may want to use the source fps if available
1057 double source_fps = mlt_properties_get_double( properties, "meta.media.frame_rate_num" ) /
1058 mlt_properties_get_double( properties, "meta.media.frame_rate_den" );
1061 if ( self->last_position == POSITION_INITIAL )
1067 while ( ret >= 0 && toscan-- > 0 )
1069 ret = av_read_frame( context, &pkt );
1070 if ( ret >= 0 && pkt.stream_index == self->video_index && ( pkt.flags & PKT_FLAG_KEY ) )
1072 mlt_log_debug( MLT_PRODUCER_SERVICE(producer),
1073 "first_pts %"PRId64" dts %"PRId64" pts_dts_delta %d\n",
1074 pkt.pts, pkt.dts, (int)(pkt.pts - pkt.dts) );
1075 self->first_pts = best_pts( self, pkt.pts, pkt.dts );
1076 if ( self->first_pts != AV_NOPTS_VALUE )
1079 av_free_packet( &pkt );
1081 av_seek_frame( context, -1, 0, AVSEEK_FLAG_BACKWARD );
1084 if ( self->av_frame && position + 1 == self->video_expected )
1086 // We're paused - use last image
1089 else if ( self->seekable && ( position < self->video_expected || position - self->video_expected >= 12 || self->last_position < 0 ) )
1091 // Calculate the timestamp for the requested frame
1092 int64_t timestamp = req_position / ( av_q2d( stream->time_base ) * source_fps );
1093 if ( req_position <= 0 )
1095 else if ( self->first_pts != AV_NOPTS_VALUE )
1096 timestamp += self->first_pts;
1097 else if ( context->start_time != AV_NOPTS_VALUE )
1098 timestamp += context->start_time;
1099 if ( preseek && av_q2d( stream->time_base ) != 0 )
1100 timestamp -= 2 / av_q2d( stream->time_base );
1101 if ( timestamp < 0 )
1103 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "seeking timestamp %"PRId64" position %d expected %d last_pos %"PRId64"\n",
1104 timestamp, position, self->video_expected, self->last_position );
1106 // Seek to the timestamp
1107 // NOTE: reopen_video is disabled at this time because it is causing trouble with A/V sync.
1108 if ( 1 || req_position > 0 || self->last_position <= 0 )
1110 codec_context->skip_loop_filter = AVDISCARD_NONREF;
1111 av_seek_frame( context, self->video_index, timestamp, AVSEEK_FLAG_BACKWARD );
1113 // flush any pictures still in decode buffer
1114 avcodec_flush_buffers( codec_context );
1118 // Re-open video stream when rewinding to beginning from somewhere else.
1119 // This is rather ugly, and I prefer not to do it this way, but ffmpeg is
1120 // not reliably seeking to the first frame across formats.
1121 reopen_video( self, producer );
1124 // Remove the cached info relating to the previous position
1125 self->current_position = POSITION_INVALID;
1126 self->last_position = POSITION_INVALID;
1127 av_freep( &self->av_frame );
1133 /** Convert a frame position to a time code.
1136 static double producer_time_of_frame( mlt_producer producer, mlt_position position )
1138 return ( double )position / mlt_producer_get_fps( producer );
1141 // Collect information about all audio streams
1143 static void get_audio_streams_info( producer_avformat self )
1145 // Fetch the audio format context
1146 AVFormatContext *context = self->audio_format;
1150 i < context->nb_streams;
1153 if ( context->streams[i]->codec->codec_type == CODEC_TYPE_AUDIO )
1155 AVCodecContext *codec_context = context->streams[i]->codec;
1156 AVCodec *codec = avcodec_find_decoder( codec_context->codec_id );
1158 // If we don't have a codec and we can't initialise it, we can't do much more...
1159 pthread_mutex_lock( &self->open_mutex );
1160 #if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
1161 if ( codec && avcodec_open2( codec_context, codec, NULL ) >= 0 )
1163 if ( codec && avcodec_open( codec_context, codec ) >= 0 )
1166 self->audio_streams++;
1167 self->audio_max_stream = i;
1168 self->total_channels += codec_context->channels;
1169 if ( codec_context->channels > self->max_channel )
1170 self->max_channel = codec_context->channels;
1171 if ( codec_context->sample_rate > self->max_frequency )
1172 self->max_frequency = codec_context->sample_rate;
1173 avcodec_close( codec_context );
1175 pthread_mutex_unlock( &self->open_mutex );
1178 mlt_log_verbose( NULL, "[producer avformat] audio: total_streams %d max_stream %d total_channels %d max_channels %d\n",
1179 self->audio_streams, self->audio_max_stream, self->total_channels, self->max_channel );
1181 // Other audio-specific initializations
1182 self->resample_factor = 1.0;
1185 static void set_luma_transfer( struct SwsContext *context, int colorspace, int use_full_range )
1187 #if defined(SWSCALE) && (LIBSWSCALE_VERSION_INT >= ((0<<16)+(7<<8)+2))
1189 const int *new_coefficients;
1191 int brightness, contrast, saturation;
1193 if ( sws_getColorspaceDetails( context, &coefficients, &full_range, &coefficients, &full_range,
1194 &brightness, &contrast, &saturation ) != -1 )
1196 // Don't change these from defaults unless explicitly told to.
1197 if ( use_full_range >= 0 )
1198 full_range = use_full_range;
1199 switch ( colorspace )
1205 new_coefficients = sws_getCoefficients( SWS_CS_ITU601 );
1208 new_coefficients = sws_getCoefficients( SWS_CS_SMPTE240M );
1211 new_coefficients = sws_getCoefficients( SWS_CS_ITU709 );
1214 new_coefficients = coefficients;
1217 sws_setColorspaceDetails( context, new_coefficients, full_range, new_coefficients, full_range,
1218 brightness, contrast, saturation );
1223 static mlt_image_format pick_pix_format( enum PixelFormat pix_fmt )
1231 return mlt_image_rgb24a;
1232 case PIX_FMT_YUV420P:
1233 case PIX_FMT_YUVJ420P:
1234 case PIX_FMT_YUVA420P:
1235 return mlt_image_yuv420p;
1239 case PIX_FMT_MONOWHITE:
1240 case PIX_FMT_MONOBLACK:
1243 return mlt_image_rgb24;
1245 return mlt_image_yuv422;
1249 static mlt_audio_format pick_audio_format( int sample_fmt )
1251 switch ( sample_fmt )
1254 case AV_SAMPLE_FMT_S16:
1255 return mlt_audio_s16;
1256 case AV_SAMPLE_FMT_S32:
1257 return mlt_audio_s32le;
1258 case AV_SAMPLE_FMT_FLT:
1259 return mlt_audio_f32le;
1260 // planar - this producer converts planar to interleaved
1261 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(17<<8)+0)
1262 case AV_SAMPLE_FMT_S16P:
1263 return mlt_audio_s16;
1264 case AV_SAMPLE_FMT_S32P:
1265 return mlt_audio_s32le;
1266 case AV_SAMPLE_FMT_FLTP:
1267 return mlt_audio_f32le;
1270 return mlt_audio_none;
1274 static void convert_image( producer_avformat self, AVFrame *frame, uint8_t *buffer, int pix_fmt,
1275 mlt_image_format *format, int width, int height, uint8_t **alpha )
1278 int flags = SWS_BICUBIC | SWS_ACCURATE_RND;
1281 flags |= SWS_CPU_CAPS_MMX;
1284 flags |= SWS_CPU_CAPS_MMX2;
1287 // extract alpha from planar formats
1288 if ( ( pix_fmt == PIX_FMT_YUVA420P
1289 #if defined(FFUDIV) && LIBAVUTIL_VERSION_INT >= ((51<<16)+(35<<8)+101)
1290 || pix_fmt == PIX_FMT_YUVA444P
1293 *format != mlt_image_rgb24a && *format != mlt_image_opengl &&
1294 frame->data[3] && frame->linesize[3] )
1299 dst = *alpha = mlt_pool_alloc( width * height );
1300 src = frame->data[3];
1302 for ( i = 0; i < height; dst += width, src += frame->linesize[3], i++ )
1303 memcpy( dst, src, FFMIN( width, frame->linesize[3] ) );
1306 if ( *format == mlt_image_yuv420p )
1308 struct SwsContext *context = sws_getContext( width, height, pix_fmt,
1309 width, height, PIX_FMT_YUV420P, flags, NULL, NULL, NULL);
1311 output.data[0] = buffer;
1312 output.data[1] = buffer + width * height;
1313 output.data[2] = buffer + ( 5 * width * height ) / 4;
1314 output.linesize[0] = width;
1315 output.linesize[1] = width >> 1;
1316 output.linesize[2] = width >> 1;
1317 set_luma_transfer( context, self->colorspace, -1 );
1318 sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
1319 output.data, output.linesize);
1320 sws_freeContext( context );
1322 else if ( *format == mlt_image_rgb24 )
1324 struct SwsContext *context = sws_getContext( width, height, pix_fmt,
1325 width, height, PIX_FMT_RGB24, flags | SWS_FULL_CHR_H_INT, NULL, NULL, NULL);
1327 avpicture_fill( &output, buffer, PIX_FMT_RGB24, width, height );
1328 set_luma_transfer( context, self->colorspace, self->full_luma );
1329 sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
1330 output.data, output.linesize);
1331 sws_freeContext( context );
1333 else if ( *format == mlt_image_rgb24a || *format == mlt_image_opengl )
1335 struct SwsContext *context = sws_getContext( width, height, pix_fmt,
1336 width, height, PIX_FMT_RGBA, flags | SWS_FULL_CHR_H_INT, NULL, NULL, NULL);
1338 avpicture_fill( &output, buffer, PIX_FMT_RGBA, width, height );
1339 set_luma_transfer( context, self->colorspace, self->full_luma );
1340 sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
1341 output.data, output.linesize);
1342 sws_freeContext( context );
1346 struct SwsContext *context = sws_getContext( width, height, pix_fmt,
1347 width, height, PIX_FMT_YUYV422, flags | SWS_FULL_CHR_H_INP, NULL, NULL, NULL);
1349 avpicture_fill( &output, buffer, PIX_FMT_YUYV422, width, height );
1350 set_luma_transfer( context, self->colorspace, -1 );
1351 sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
1352 output.data, output.linesize);
1353 sws_freeContext( context );
1356 if ( *format == mlt_image_yuv420p )
1359 pict.data[0] = buffer;
1360 pict.data[1] = buffer + width * height;
1361 pict.data[2] = buffer + ( 5 * width * height ) / 4;
1362 pict.linesize[0] = width;
1363 pict.linesize[1] = width >> 1;
1364 pict.linesize[2] = width >> 1;
1365 img_convert( &pict, PIX_FMT_YUV420P, (AVPicture *)frame, pix_fmt, width, height );
1367 else if ( *format == mlt_image_rgb24 )
1370 avpicture_fill( &output, buffer, PIX_FMT_RGB24, width, height );
1371 img_convert( &output, PIX_FMT_RGB24, (AVPicture *)frame, pix_fmt, width, height );
1373 else if ( *format == mlt_image_rgb24a || *format == mlt_image_opengl )
1376 avpicture_fill( &output, buffer, PIX_FMT_RGB32, width, height );
1377 img_convert( &output, PIX_FMT_RGB32, (AVPicture *)frame, pix_fmt, width, height );
1382 avpicture_fill( &output, buffer, PIX_FMT_YUYV422, width, height );
1383 img_convert( &output, PIX_FMT_YUYV422, (AVPicture *)frame, pix_fmt, width, height );
1388 /** Allocate the image buffer and set it on the frame.
1391 static int allocate_buffer( mlt_frame frame, AVCodecContext *codec_context, uint8_t **buffer, mlt_image_format *format, int *width, int *height )
1395 if ( codec_context->width == 0 || codec_context->height == 0 )
1397 *width = codec_context->width;
1398 *height = codec_context->height;
1399 size = mlt_image_format_size( *format, *width, *height, NULL );
1400 *buffer = mlt_pool_alloc( size );
1402 mlt_frame_set_image( frame, *buffer, size, mlt_pool_release );
1409 /** Get an image from a frame.
1412 static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
1415 producer_avformat self = mlt_frame_pop_service( frame );
1416 mlt_producer producer = self->parent;
1418 // Get the properties from the frame
1419 mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
1421 // Obtain the frame number of this frame
1422 mlt_position position = mlt_frame_original_position( frame );
1424 // Get the producer properties
1425 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
1427 pthread_mutex_lock( &self->video_mutex );
1429 // Fetch the video format context
1430 AVFormatContext *context = self->video_format;
1432 // Get the video stream
1433 AVStream *stream = context->streams[ self->video_index ];
1435 // Get codec context
1436 AVCodecContext *codec_context = stream->codec;
1438 uint8_t *alpha = NULL;
1439 int got_picture = 0;
1442 // Get the image cache
1443 if ( ! self->image_cache )
1445 // if cache size supplied by environment variable
1446 int cache_supplied = getenv( "MLT_AVFORMAT_CACHE" ) != NULL;
1447 int cache_size = cache_supplied? atoi( getenv( "MLT_AVFORMAT_CACHE" ) ) : 0;
1449 // cache size supplied via property
1450 if ( mlt_properties_get( properties, "cache" ) )
1453 cache_size = mlt_properties_get_int( properties, "cache" );
1455 if ( mlt_properties_get_int( properties, "noimagecache" ) )
1457 // create cache if not disabled
1458 if ( !cache_supplied || cache_size > 0 )
1459 self->image_cache = mlt_cache_init();
1460 // set cache size if supplied
1461 if ( self->image_cache && cache_supplied )
1462 mlt_cache_set_size( self->image_cache, cache_size );
1464 if ( self->image_cache )
1466 mlt_frame original = mlt_cache_get_frame( self->image_cache, position );
1469 mlt_properties orig_props = MLT_FRAME_PROPERTIES( original );
1472 *buffer = mlt_properties_get_data( orig_props, "alpha", &size );
1474 mlt_frame_set_alpha( frame, *buffer, size, NULL );
1475 *buffer = mlt_properties_get_data( orig_props, "image", &size );
1476 mlt_frame_set_image( frame, *buffer, size, NULL );
1477 mlt_properties_set_data( frame_properties, "avformat.image_cache", original, 0, (mlt_destructor) mlt_frame_close, NULL );
1478 *format = mlt_properties_get_int( orig_props, "format" );
1480 // Set the resolution
1481 *width = codec_context->width;
1482 *height = codec_context->height;
1484 // Workaround 1088 encodings missing cropping info.
1485 if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
1489 goto exit_get_image;
1494 // We may want to use the source fps if available
1495 double source_fps = mlt_properties_get_double( properties, "meta.media.frame_rate_num" ) /
1496 mlt_properties_get_double( properties, "meta.media.frame_rate_den" );
1498 // This is the physical frame position in the source
1499 int64_t req_position = ( int64_t )( position / mlt_producer_get_fps( producer ) * source_fps + 0.5 );
1501 // Determines if we have to decode all frames in a sequence
1502 // Temporary hack to improve intra frame only
1503 int must_decode = !( codec_context->codec && codec_context->codec->name ) || (
1504 strcmp( codec_context->codec->name, "dnxhd" ) &&
1505 strcmp( codec_context->codec->name, "dvvideo" ) &&
1506 strcmp( codec_context->codec->name, "huffyuv" ) &&
1507 strcmp( codec_context->codec->name, "mjpeg" ) &&
1508 strcmp( codec_context->codec->name, "rawvideo" ) );
1510 double delay = mlt_properties_get_double( properties, "video_delay" );
1512 // Seek if necessary
1513 const char *interp = mlt_properties_get( frame_properties, "rescale.interp" );
1514 int preseek = must_decode
1515 #if defined(FFUDIV) && LIBAVFORMAT_VERSION_INT >= ((53<<16)+(24<<8)+2)
1516 && ( interp && strcmp( interp, "nearest" ) )
1518 && codec_context->has_b_frames;
1519 int paused = seek_video( self, position, req_position, preseek );
1521 // Seek might have reopened the file
1522 context = self->video_format;
1523 stream = context->streams[ self->video_index ];
1524 codec_context = stream->codec;
1525 if ( *format == mlt_image_none ||
1526 codec_context->pix_fmt == PIX_FMT_ARGB ||
1527 codec_context->pix_fmt == PIX_FMT_RGBA ||
1528 codec_context->pix_fmt == PIX_FMT_ABGR ||
1529 codec_context->pix_fmt == PIX_FMT_BGRA )
1530 *format = pick_pix_format( codec_context->pix_fmt );
1532 // Duplicate the last image if necessary
1533 if ( self->av_frame && self->av_frame->linesize[0]
1534 && ( paused || self->current_position >= req_position ) )
1537 if ( ( image_size = allocate_buffer( frame, codec_context, buffer, format, width, height ) ) )
1539 // Workaround 1088 encodings missing cropping info.
1540 if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
1543 if ( self->vdpau && self->vdpau->buffer )
1546 picture.data[0] = self->vdpau->buffer;
1547 picture.data[2] = self->vdpau->buffer + codec_context->width * codec_context->height;
1548 picture.data[1] = self->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
1549 picture.linesize[0] = codec_context->width;
1550 picture.linesize[1] = codec_context->width / 2;
1551 picture.linesize[2] = codec_context->width / 2;
1552 convert_image( self, (AVFrame*) &picture, *buffer,
1553 PIX_FMT_YUV420P, format, *width, *height, &alpha );
1557 convert_image( self, self->av_frame, *buffer, codec_context->pix_fmt,
1558 format, *width, *height, &alpha );
1565 int64_t int_position = 0;
1566 int decode_errors = 0;
1568 // Construct an AVFrame for YUV422 conversion
1569 if ( !self->av_frame )
1570 self->av_frame = avcodec_alloc_frame( );
1572 while( ret >= 0 && !got_picture )
1575 if ( self->pkt.stream_index == self->video_index )
1576 av_free_packet( &self->pkt );
1577 av_init_packet( &self->pkt );
1578 pthread_mutex_lock( &self->packets_mutex );
1579 if ( mlt_deque_count( self->vpackets ) )
1581 AVPacket *tmp = (AVPacket*) mlt_deque_pop_front( self->vpackets );
1587 ret = av_read_frame( context, &self->pkt );
1588 if ( ret >= 0 && !self->seekable && self->pkt.stream_index == self->audio_index )
1590 if ( !av_dup_packet( &self->pkt ) )
1592 AVPacket *tmp = malloc( sizeof(AVPacket) );
1594 mlt_deque_push_back( self->apackets, tmp );
1598 pthread_mutex_unlock( &self->packets_mutex );
1600 // We only deal with video from the selected video_index
1601 if ( ret >= 0 && self->pkt.stream_index == self->video_index && self->pkt.size > 0 )
1603 int64_t pts = best_pts( self, self->pkt.pts, self->pkt.dts );
1604 if ( pts != AV_NOPTS_VALUE )
1606 if ( !self->seekable && self->first_pts == AV_NOPTS_VALUE )
1607 self->first_pts = pts;
1608 if ( self->first_pts != AV_NOPTS_VALUE )
1609 pts -= self->first_pts;
1610 else if ( context->start_time != AV_NOPTS_VALUE )
1611 pts -= context->start_time;
1612 int_position = ( int64_t )( ( av_q2d( stream->time_base ) * pts + delay ) * source_fps + 0.5 );
1613 if ( int_position == self->last_position )
1614 int_position = self->last_position + 1;
1616 mlt_log_debug( MLT_PRODUCER_SERVICE(producer),
1617 "V pkt.pts %"PRId64" pkt.dts %"PRId64" req_pos %"PRId64" cur_pos %"PRId64" pkt_pos %"PRId64"\n",
1618 self->pkt.pts, self->pkt.dts, req_position, self->current_position, int_position );
1620 // Make a dumb assumption on streams that contain wild timestamps
1621 if ( abs( req_position - int_position ) > 999 )
1623 int_position = req_position;
1624 mlt_log_warning( MLT_PRODUCER_SERVICE(producer), " WILD TIMESTAMP!\n" );
1626 self->last_position = int_position;
1629 if ( must_decode || int_position >= req_position )
1634 if ( self->vdpau->decoder == VDP_INVALID_HANDLE )
1636 vdpau_decoder_init( self );
1638 self->vdpau->is_decoded = 0;
1641 codec_context->reordered_opaque = int_position;
1642 if ( int_position >= req_position )
1643 codec_context->skip_loop_filter = AVDISCARD_NONE;
1644 #if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(26<<8)+0))
1645 ret = avcodec_decode_video2( codec_context, self->av_frame, &got_picture, &self->pkt );
1647 ret = avcodec_decode_video( codec_context, self->av_frame, &got_picture, self->pkt.data, self->pkt.size );
1649 // Note: decode may fail at the beginning of MPEGfile (B-frames referencing before first I-frame), so allow a few errors.
1652 if ( ++decode_errors <= 10 )
1663 // Get position of reordered frame
1664 int_position = self->av_frame->reordered_opaque;
1665 #if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(106<<8)+0))
1666 pts = best_pts( self, self->av_frame->pkt_pts, self->av_frame->pkt_dts );
1667 if ( pts != AV_NOPTS_VALUE )
1669 if ( self->first_pts != AV_NOPTS_VALUE )
1670 pts -= self->first_pts;
1671 else if ( context->start_time != AV_NOPTS_VALUE )
1672 pts -= context->start_time;
1673 int_position = ( int64_t )( ( av_q2d( stream->time_base ) * pts + delay ) * source_fps + 0.5 );
1677 if ( int_position < req_position )
1679 else if ( int_position >= req_position )
1680 codec_context->skip_loop_filter = AVDISCARD_NONE;
1682 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), " got_pic %d key %d\n", got_picture, self->pkt.flags & PKT_FLAG_KEY );
1685 // Now handle the picture if we have one
1688 if ( ( image_size = allocate_buffer( frame, codec_context, buffer, format, width, height ) ) )
1690 // Workaround 1088 encodings missing cropping info.
1691 if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
1696 if ( self->vdpau->is_decoded )
1698 struct vdpau_render_state *render = (struct vdpau_render_state*) self->av_frame->data[0];
1700 uint32_t pitches[3];
1701 VdpYCbCrFormat dest_format = VDP_YCBCR_FORMAT_YV12;
1703 if ( !self->vdpau->buffer )
1704 self->vdpau->buffer = mlt_pool_alloc( codec_context->width * codec_context->height * 3 / 2 );
1705 self->av_frame->data[0] = planes[0] = self->vdpau->buffer;
1706 self->av_frame->data[2] = planes[1] = self->vdpau->buffer + codec_context->width * codec_context->height;
1707 self->av_frame->data[1] = planes[2] = self->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
1708 self->av_frame->linesize[0] = pitches[0] = codec_context->width;
1709 self->av_frame->linesize[1] = pitches[1] = codec_context->width / 2;
1710 self->av_frame->linesize[2] = pitches[2] = codec_context->width / 2;
1712 VdpStatus status = vdp_surface_get_bits( render->surface, dest_format, planes, pitches );
1713 if ( status == VDP_STATUS_OK )
1715 convert_image( self, self->av_frame, *buffer, PIX_FMT_YUV420P,
1716 format, *width, *height, &alpha );
1720 mlt_log_error( MLT_PRODUCER_SERVICE(producer), "VDPAU Error: %s\n", vdp_get_error_string( status ) );
1721 image_size = self->vdpau->is_decoded = 0;
1726 mlt_log_error( MLT_PRODUCER_SERVICE(producer), "VDPAU error in VdpDecoderRender\n" );
1727 image_size = got_picture = 0;
1732 convert_image( self, self->av_frame, *buffer, codec_context->pix_fmt,
1733 format, *width, *height, &alpha );
1734 self->top_field_first |= self->av_frame->top_field_first;
1735 self->current_position = int_position;
1743 // Free packet data if not video and not live audio packet
1744 if ( self->pkt.stream_index != self->video_index &&
1745 !( !self->seekable && self->pkt.stream_index == self->audio_index ) )
1746 av_free_packet( &self->pkt );
1752 mlt_frame_set_alpha( frame, alpha, (*width) * (*height), mlt_pool_release );
1754 if ( image_size > 0 && self->image_cache )
1756 mlt_properties_set_int( frame_properties, "format", *format );
1757 mlt_cache_put_frame( self->image_cache, frame );
1760 // Try to duplicate last image if there was a decoding failure
1761 // TODO: with multithread decoding a partial frame decoding resulting
1762 // in failure also resets av_frame making test below fail.
1763 if ( !image_size && self->av_frame && self->av_frame->linesize[0] )
1766 if ( ( image_size = allocate_buffer( frame, codec_context, buffer, format, width, height ) ) )
1768 // Workaround 1088 encodings missing cropping info.
1769 if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
1772 if ( self->vdpau && self->vdpau->buffer )
1775 picture.data[0] = self->vdpau->buffer;
1776 picture.data[2] = self->vdpau->buffer + codec_context->width * codec_context->height;
1777 picture.data[1] = self->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
1778 picture.linesize[0] = codec_context->width;
1779 picture.linesize[1] = codec_context->width / 2;
1780 picture.linesize[2] = codec_context->width / 2;
1781 convert_image( self, (AVFrame*) &picture, *buffer,
1782 PIX_FMT_YUV420P, format, *width, *height, &alpha );
1786 convert_image( self, self->av_frame, *buffer, codec_context->pix_fmt,
1787 format, *width, *height, &alpha );
1792 // Regardless of speed, we expect to get the next frame (cos we ain't too bright)
1793 self->video_expected = position + 1;
1797 pthread_mutex_unlock( &self->video_mutex );
1799 // Set the progressive flag
1800 if ( mlt_properties_get( properties, "force_progressive" ) )
1801 mlt_properties_set_int( frame_properties, "progressive", !!mlt_properties_get_int( properties, "force_progressive" ) );
1802 else if ( self->av_frame )
1803 mlt_properties_set_int( frame_properties, "progressive", !self->av_frame->interlaced_frame );
1805 // Set the field order property for this frame
1806 if ( mlt_properties_get( properties, "force_tff" ) )
1807 mlt_properties_set_int( frame_properties, "top_field_first", !!mlt_properties_get_int( properties, "force_tff" ) );
1809 mlt_properties_set_int( frame_properties, "top_field_first", self->top_field_first );
1811 // Set immutable properties of the selected track's (or overridden) source attributes.
1812 mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
1813 mlt_properties_set_int( properties, "meta.media.top_field_first", self->top_field_first );
1814 mlt_properties_set_int( properties, "meta.media.progressive", mlt_properties_get_int( frame_properties, "progressive" ) );
1815 mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
1817 // If we already have RGB, then the full range processing either happened already
1818 // or does not apply (RGB source).
1819 if ( *format == mlt_image_rgb24 || *format == mlt_image_rgb24a || *format == mlt_image_opengl )
1820 mlt_properties_set( frame_properties, "force_full_luma", NULL );
1822 return !got_picture;
1825 /** Process properties as AVOptions and apply to AV context obj
1828 static void apply_properties( void *obj, mlt_properties properties, int flags )
1831 int count = mlt_properties_count( properties );
1832 for ( i = 0; i < count; i++ )
1834 const char *opt_name = mlt_properties_get_name( properties, i );
1835 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(10<<8)+0)
1836 const AVOption *opt = av_opt_find( obj, opt_name, NULL, flags, flags );
1838 const AVOption *opt = av_find_opt( obj, opt_name, NULL, flags, flags );
1840 if ( opt_name && mlt_properties_get( properties, opt_name ) )
1843 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(12<<8)+0)
1844 av_opt_set( obj, opt_name, mlt_properties_get( properties, opt_name), 0 );
1845 #elif LIBAVCODEC_VERSION_INT >= ((52<<16)+(7<<8)+0)
1846 av_set_string3( obj, opt_name, mlt_properties_get( properties, opt_name), 0, NULL );
1847 #elif LIBAVCODEC_VERSION_INT >= ((51<<16)+(59<<8)+0)
1848 av_set_string2( obj, opt_name, mlt_properties_get( properties, opt_name), 0 );
1850 av_set_string( obj, opt_name, mlt_properties_get( properties, opt_name) );
1856 /** Initialize the video codec context.
1859 static int video_codec_init( producer_avformat self, int index, mlt_properties properties )
1861 // Initialise the codec if necessary
1862 if ( !self->video_codec )
1864 // Get the video stream
1865 AVStream *stream = self->video_format->streams[ index ];
1867 // Get codec context
1868 AVCodecContext *codec_context = stream->codec;
1871 AVCodec *codec = avcodec_find_decoder( codec_context->codec_id );
1873 if ( codec_context->codec_id == CODEC_ID_H264 )
1875 if ( ( codec = avcodec_find_decoder_by_name( "h264_vdpau" ) ) )
1877 if ( vdpau_init( self ) )
1879 self->video_codec = codec_context;
1880 if ( !vdpau_decoder_init( self ) )
1885 codec = avcodec_find_decoder( codec_context->codec_id );
1889 // Initialise multi-threading
1890 int thread_count = mlt_properties_get_int( properties, "threads" );
1891 if ( thread_count == 0 && getenv( "MLT_AVFORMAT_THREADS" ) )
1892 thread_count = atoi( getenv( "MLT_AVFORMAT_THREADS" ) );
1893 if ( thread_count > 1 )
1894 codec_context->thread_count = thread_count;
1896 // If we don't have a codec and we can't initialise it, we can't do much more...
1897 pthread_mutex_lock( &self->open_mutex );
1898 #if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
1899 if ( codec && avcodec_open2( codec_context, codec, NULL ) >= 0 )
1901 if ( codec && avcodec_open( codec_context, codec ) >= 0 )
1904 // Now store the codec with its destructor
1905 self->video_codec = codec_context;
1909 // Remember that we can't use this later
1910 self->video_index = -1;
1911 pthread_mutex_unlock( &self->open_mutex );
1914 pthread_mutex_unlock( &self->open_mutex );
1916 // Process properties as AVOptions
1917 apply_properties( codec_context, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
1918 #if LIBAVCODEC_VERSION_INT >= ((52<<16)+(122<<8)+0)
1919 if ( codec->priv_class && codec_context->priv_data )
1920 apply_properties( codec_context->priv_data, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
1923 // Reset some image properties
1924 if ( self->video_codec )
1926 mlt_properties_set_int( properties, "width", self->video_codec->width );
1927 mlt_properties_set_int( properties, "height", self->video_codec->height );
1929 // For DV, we'll just use the saved aspect ratio
1930 if ( codec_context->codec_id != CODEC_ID_DVVIDEO )
1931 get_aspect_ratio( properties, stream, self->video_codec, NULL );
1933 // Determine the fps first from the codec
1934 double source_fps = (double) self->video_codec->time_base.den /
1935 ( self->video_codec->time_base.num == 0 ? 1 : self->video_codec->time_base.num );
1938 // If the muxer reports a frame rate different than the codec
1939 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(42<<8)+0)
1940 double muxer_fps = av_q2d( stream->avg_frame_rate );
1941 if ( isnan( muxer_fps ) || muxer_fps == 0 )
1942 muxer_fps = av_q2d( stream->r_frame_rate );
1944 double muxer_fps = av_q2d( stream->r_frame_rate );
1946 // Choose the lesser - the wrong tends to be off by some multiple of 10
1947 source_fps = FFMIN( source_fps, muxer_fps );
1948 if ( source_fps >= 1.0 && ( source_fps < muxer_fps || isnan( muxer_fps ) ) )
1950 mlt_properties_set_int( properties, "meta.media.frame_rate_num", self->video_codec->time_base.den );
1951 mlt_properties_set_int( properties, "meta.media.frame_rate_den", self->video_codec->time_base.num == 0 ? 1 : self->video_codec->time_base.num );
1953 else if ( muxer_fps > 0 )
1955 AVRational frame_rate = stream->r_frame_rate;
1956 // With my samples when r_frame_rate != 1000 but avg_frame_rate is valid,
1957 // avg_frame_rate gives some approximate value that does not well match the media.
1958 // Also, on my sample where r_frame_rate = 1000, using avg_frame_rate directly
1959 // results in some very choppy output, but some value slightly different works
1961 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(42<<8)+0)
1962 if ( av_q2d( stream->r_frame_rate ) >= 1000 && av_q2d( stream->avg_frame_rate ) > 0 )
1963 frame_rate = av_d2q( av_q2d( stream->avg_frame_rate ), 1024 );
1965 mlt_properties_set_int( properties, "meta.media.frame_rate_num", frame_rate.num );
1966 mlt_properties_set_int( properties, "meta.media.frame_rate_den", frame_rate.den );
1970 source_fps = mlt_producer_get_fps( self->parent );
1971 AVRational frame_rate = av_d2q( source_fps, 255 );
1972 mlt_properties_set_int( properties, "meta.media.frame_rate_num", frame_rate.num );
1973 mlt_properties_set_int( properties, "meta.media.frame_rate_den", frame_rate.den );
1976 if ( mlt_properties_get( properties, "force_fps" ) )
1978 double source_fps = mlt_properties_get_double( properties, "force_fps" );
1979 AVRational fps = av_d2q( source_fps, 1024 );
1980 stream->time_base.num *= mlt_properties_get_int( properties, "meta.media.frame_rate_num" ) * fps.den;
1981 stream->time_base.den *= mlt_properties_get_int( properties, "meta.media.frame_rate_den" ) * fps.num;
1982 mlt_properties_set_int( properties, "meta.media.frame_rate_num", fps.num );
1983 mlt_properties_set_int( properties, "meta.media.frame_rate_den", fps.den );
1986 // Set the YUV colorspace from override or detect
1987 self->colorspace = mlt_properties_get_int( properties, "force_colorspace" );
1988 #if LIBAVCODEC_VERSION_INT > ((52<<16)+(28<<8)+0)
1989 if ( ! self->colorspace )
1991 switch ( self->video_codec->colorspace )
1993 case AVCOL_SPC_SMPTE240M:
1994 self->colorspace = 240;
1996 case AVCOL_SPC_BT470BG:
1997 case AVCOL_SPC_SMPTE170M:
1998 self->colorspace = 601;
2000 case AVCOL_SPC_BT709:
2001 self->colorspace = 709;
2004 // This is a heuristic Charles Poynton suggests in "Digital Video and HDTV"
2005 self->colorspace = self->video_codec->width * self->video_codec->height > 750000 ? 709 : 601;
2010 // Let apps get chosen colorspace
2011 mlt_properties_set_int( properties, "meta.media.colorspace", self->colorspace );
2013 self->full_luma = -1;
2014 #if LIBAVCODEC_VERSION_INT >= ((52<<16)+(72<<8)+2)
2015 mlt_log_debug( MLT_PRODUCER_SERVICE(self->parent), "color_range %d\n", codec_context->color_range );
2016 if ( codec_context->color_range == AVCOL_RANGE_JPEG )
2017 self->full_luma = 1;
2019 if ( mlt_properties_get( properties, "set.force_full_luma" ) )
2020 self->full_luma = mlt_properties_get_int( properties, "set.force_full_luma" );
2022 return self->video_codec && self->video_index > -1;
2025 /** Set up video handling.
2028 static void producer_set_up_video( producer_avformat self, mlt_frame frame )
2031 mlt_producer producer = self->parent;
2033 // Get the properties
2034 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
2036 // Fetch the video format context
2037 AVFormatContext *context = self->video_format;
2039 // Get the video_index
2040 int index = mlt_properties_get_int( properties, "video_index" );
2042 // Reopen the file if necessary
2043 if ( !context && index > -1 )
2045 producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
2046 mlt_properties_get( properties, "resource" ), 1 );
2047 context = self->video_format;
2050 // Exception handling for video_index
2051 if ( context && index >= (int) context->nb_streams )
2053 // Get the last video stream
2054 for ( index = context->nb_streams - 1;
2055 index >= 0 && context->streams[ index ]->codec->codec_type != CODEC_TYPE_VIDEO;
2057 mlt_properties_set_int( properties, "video_index", index );
2059 if ( context && index > -1 && context->streams[ index ]->codec->codec_type != CODEC_TYPE_VIDEO )
2061 // Invalidate the video stream
2063 mlt_properties_set_int( properties, "video_index", index );
2066 // Update the video properties if the index changed
2067 if ( index != self->video_index )
2069 // Reset the video properties if the index changed
2070 self->video_index = index;
2071 pthread_mutex_lock( &self->open_mutex );
2072 if ( self->video_codec )
2073 avcodec_close( self->video_codec );
2074 self->video_codec = NULL;
2075 pthread_mutex_unlock( &self->open_mutex );
2078 // Get the frame properties
2079 mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
2082 if ( context && index > -1 && video_codec_init( self, index, properties ) )
2084 // Set the frame properties
2085 double force_aspect_ratio = mlt_properties_get_double( properties, "force_aspect_ratio" );
2086 double aspect_ratio = ( force_aspect_ratio > 0.0 ) ?
2087 force_aspect_ratio : mlt_properties_get_double( properties, "aspect_ratio" );
2089 // Set the width and height
2090 mlt_properties_set_int( frame_properties, "width", self->video_codec->width );
2091 mlt_properties_set_int( frame_properties, "height", self->video_codec->height );
2092 mlt_properties_set_int( properties, "meta.media.width", self->video_codec->width );
2093 mlt_properties_set_int( properties, "meta.media.height", self->video_codec->height );
2094 mlt_properties_set_double( frame_properties, "aspect_ratio", aspect_ratio );
2095 mlt_properties_set_int( frame_properties, "colorspace", self->colorspace );
2097 // Workaround 1088 encodings missing cropping info.
2098 if ( self->video_codec->height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
2100 mlt_properties_set_int( properties, "meta.media.height", 1080 );
2103 // Add our image operation
2104 mlt_frame_push_service( frame, self );
2105 mlt_frame_push_get_image( frame, producer_get_image );
2109 // If something failed, use test card image
2110 mlt_properties_set_int( frame_properties, "test_image", 1 );
2114 static int seek_audio( producer_avformat self, mlt_position position, double timecode )
2118 // Seek if necessary
2119 if ( self->seekable && position != self->audio_expected )
2121 if ( position + 1 == self->audio_expected )
2123 // We're paused - silence required
2126 else if ( position < self->audio_expected || position - self->audio_expected >= 12 )
2128 AVFormatContext *context = self->audio_format;
2129 int64_t timestamp = ( int64_t )( timecode * AV_TIME_BASE + 0.5 );
2130 if ( context->start_time != AV_NOPTS_VALUE )
2131 timestamp += context->start_time;
2132 if ( timestamp < 0 )
2135 // Set to the real timecode
2136 if ( av_seek_frame( context, -1, timestamp, AVSEEK_FLAG_BACKWARD ) != 0 )
2139 // Clear the usage in the audio buffer
2140 int i = MAX_AUDIO_STREAMS + 1;
2142 self->audio_used[i - 1] = 0;
2148 static int sample_bytes( AVCodecContext *context )
2150 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
2151 return av_get_bytes_per_sample( context->sample_fmt );
2152 #elif LIBAVCODEC_VERSION_MAJOR >= 53
2153 return av_get_bits_per_sample_fmt( context->sample_fmt ) / 8;
2155 return av_get_bits_per_sample_format( context->sample_fmt ) / 8;
2159 static void planar_to_interleaved( uint8_t *dest, uint8_t *src, int samples, int channels, int bytes_per_sample )
2162 for ( s = 0; s < samples; s++ )
2164 for ( c = 0; c < channels; c++ )
2166 memcpy( dest, src + ( c * samples + s ) * bytes_per_sample, bytes_per_sample );
2167 dest += bytes_per_sample;
2172 static int decode_audio( producer_avformat self, int *ignore, AVPacket pkt, int channels, int samples, double timecode, double fps )
2174 // Fetch the audio_format
2175 AVFormatContext *context = self->audio_format;
2177 // Get the current stream index
2178 int index = pkt.stream_index;
2180 // Get codec context
2181 AVCodecContext *codec_context = self->audio_codec[ index ];
2183 // Obtain the resample context if it exists (not always needed)
2184 ReSampleContext *resample = self->audio_resample[ index ];
2186 // Obtain the audio buffers
2187 uint8_t *audio_buffer = self->audio_buffer[ index ];
2188 uint8_t *decode_buffer = self->decode_buffer[ index ];
2190 int audio_used = self->audio_used[ index ];
2191 uint8_t *ptr = pkt.data;
2195 while ( ptr && ret >= 0 && len > 0 )
2197 int sizeof_sample = resample? sizeof( int16_t ) : sample_bytes( codec_context );
2198 int data_size = self->audio_buffer_size[ index ];
2201 #if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(26<<8)+0))
2202 ret = avcodec_decode_audio3( codec_context, (int16_t*) decode_buffer, &data_size, &pkt );
2203 #elif (LIBAVCODEC_VERSION_INT >= ((51<<16)+(29<<8)+0))
2204 ret = avcodec_decode_audio2( codec_context, decode_buffer, &data_size, ptr, len );
2206 ret = avcodec_decode_audio( codec_context, decode_buffer, &data_size, ptr, len );
2210 mlt_log_warning( MLT_PRODUCER_SERVICE(self->parent), "audio decoding error %d\n", ret );
2214 pkt.size = len -= ret;
2215 pkt.data = ptr += ret;
2217 // If decoded successfully
2218 if ( data_size > 0 )
2220 // Figure out how many samples will be needed after resampling
2221 int convert_samples = data_size / codec_context->channels / sample_bytes( codec_context );
2222 int samples_needed = self->resample_factor * convert_samples;
2224 // Resize audio buffer to prevent overflow
2225 if ( ( audio_used + samples_needed ) * channels * sizeof_sample > self->audio_buffer_size[ index ] )
2227 self->audio_buffer_size[ index ] = ( audio_used + samples_needed * 2 ) * channels * sizeof_sample;
2228 audio_buffer = self->audio_buffer[ index ] = mlt_pool_realloc( audio_buffer, self->audio_buffer_size[ index ] );
2232 // Copy to audio buffer while resampling
2233 uint8_t *source = decode_buffer;
2234 uint8_t *dest = &audio_buffer[ audio_used * channels * sizeof_sample ];
2235 audio_used += audio_resample( resample, (short*) dest, (short*) source, convert_samples );
2239 uint8_t *source = decode_buffer;
2240 uint8_t *dest = &audio_buffer[ audio_used * codec_context->channels * sizeof_sample ];
2241 switch ( codec_context->sample_fmt )
2243 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(17<<8)+0)
2244 case AV_SAMPLE_FMT_S16P:
2245 case AV_SAMPLE_FMT_S32P:
2246 case AV_SAMPLE_FMT_FLTP:
2247 planar_to_interleaved( dest, source, convert_samples, codec_context->channels, sizeof_sample );
2251 // Straight copy to audio buffer
2252 memcpy( dest, decode_buffer, data_size );
2254 audio_used += convert_samples;
2258 while ( *ignore && audio_used )
2261 audio_used -= audio_used > samples ? samples : audio_used;
2262 memmove( audio_buffer, &audio_buffer[ samples * (resample? channels : codec_context->channels) * sizeof_sample ],
2263 audio_used * sizeof_sample );
2268 // If we're behind, ignore this packet
2269 // Skip this on non-seekable, audio-only inputs.
2270 if ( pkt.pts >= 0 && ( self->seekable || self->video_format ) && *ignore == 0 && audio_used > samples / 2 )
2272 int64_t pts = pkt.pts;
2273 if ( self->first_pts != 0 )
2274 pts -= self->first_pts;
2275 else if ( context->start_time != AV_NOPTS_VALUE )
2276 pts -= context->start_time;
2277 double timebase = av_q2d( context->streams[ index ]->time_base );
2278 int64_t int_position = ( int64_t )( timebase * pts * fps + 0.5 );
2279 int64_t req_position = ( int64_t )( timecode * fps + 0.5 );
2281 mlt_log_debug( MLT_PRODUCER_SERVICE(self->parent),
2282 "A pkt.pts %"PRId64" pkt.dts %"PRId64" req_pos %"PRId64" cur_pos %"PRId64" pkt_pos %"PRId64"\n",
2283 pkt.pts, pkt.dts, req_position, self->current_position, int_position );
2285 if ( int_position > 0 )
2287 if ( int_position < req_position )
2288 // We are behind, so skip some
2289 *ignore = req_position - int_position;
2290 else if ( self->audio_index != INT_MAX && int_position > req_position + 2 )
2291 // We are ahead, so seek backwards some more
2292 seek_audio( self, req_position, timecode - 1.0 );
2296 self->audio_used[ index ] = audio_used;
2301 /** Get the audio from a frame.
2303 static int producer_get_audio( mlt_frame frame, void **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples )
2306 producer_avformat self = mlt_frame_pop_audio( frame );
2308 pthread_mutex_lock( &self->audio_mutex );
2310 // Obtain the frame number of this frame
2311 mlt_position position = mlt_frame_original_position( frame );
2313 // Calculate the real time code
2314 double real_timecode = producer_time_of_frame( self->parent, position );
2316 // Get the producer fps
2317 double fps = mlt_producer_get_fps( self->parent );
2319 // Number of frames to ignore (for ffwd)
2320 int ignore[ MAX_AUDIO_STREAMS ] = { 0 };
2322 // Flag for paused (silence)
2323 int paused = seek_audio( self, position, real_timecode );
2325 // Initialize ignore for all streams from the seek return value
2326 int i = MAX_AUDIO_STREAMS;
2328 ignore[i] = ignore[0];
2330 // Fetch the audio_format
2331 AVFormatContext *context = self->audio_format;
2333 int sizeof_sample = sizeof( int16_t );
2335 // Determine the tracks to use
2336 int index = self->audio_index;
2337 int index_max = self->audio_index + 1;
2338 if ( self->audio_index == INT_MAX )
2341 index_max = FFMIN( MAX_AUDIO_STREAMS, context->nb_streams );
2342 *channels = self->total_channels;
2343 *samples = *samples * FFMAX( self->max_frequency, *frequency ) / *frequency;
2344 *frequency = FFMAX( self->max_frequency, *frequency );
2347 // Initialize the resamplers and buffers
2348 for ( ; index < index_max && index < MAX_AUDIO_STREAMS; index++ )
2350 // Get codec context
2351 AVCodecContext *codec_context = self->audio_codec[ index ];
2353 if ( codec_context && !self->audio_buffer[ index ] )
2355 #if LIBAVCODEC_VERSION_INT < ((54<<16)+(26<<8)+0)
2356 // Check for resample and create if necessary
2357 if ( codec_context->channels <= 2 )
2359 // Determine by how much resampling will increase number of samples
2360 double resample_factor = self->audio_index == INT_MAX ? 1 : (double) *channels / codec_context->channels;
2361 resample_factor *= (double) *frequency / codec_context->sample_rate;
2362 if ( resample_factor > self->resample_factor )
2363 self->resample_factor = resample_factor;
2365 // Create the resampler
2366 #if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(15<<8)+0))
2367 self->audio_resample[ index ] = av_audio_resample_init(
2368 self->audio_index == INT_MAX ? codec_context->channels : *channels,
2369 codec_context->channels, *frequency, codec_context->sample_rate,
2370 AV_SAMPLE_FMT_S16, codec_context->sample_fmt, 16, 10, 0, 0.8 );
2372 self->audio_resample[ index ] = audio_resample_init(
2373 self->audio_index == INT_MAX ? codec_context->channels : *channels,
2374 codec_context->channels, *frequency, codec_context->sample_rate );
2380 codec_context->request_channels = self->audio_index == INT_MAX ? codec_context->channels : *channels;
2381 sizeof_sample = sample_bytes( codec_context );
2384 // Check for audio buffer and create if necessary
2385 self->audio_buffer_size[ index ] = AVCODEC_MAX_AUDIO_FRAME_SIZE * sizeof_sample;
2386 self->audio_buffer[ index ] = mlt_pool_alloc( self->audio_buffer_size[ index ] );
2388 // Check for decoder buffer and create if necessary
2389 self->decode_buffer[ index ] = av_malloc( self->audio_buffer_size[ index ] );
2393 // Get the audio if required
2394 if ( !paused && *frequency > 0 )
2400 av_init_packet( &pkt );
2402 // If not resampling, give consumer more than requested.
2403 // It requested number samples based on requested frame rate.
2404 // Do not clean this up with a samples *= ...!
2405 if ( self->audio_index != INT_MAX && ! self->audio_resample[ self->audio_index ] )
2406 *samples = *samples * self->audio_codec[ self->audio_index ]->sample_rate / *frequency;
2408 while ( ret >= 0 && !got_audio )
2410 // Check if the buffer already contains the samples required
2411 if ( self->audio_index != INT_MAX &&
2412 self->audio_used[ self->audio_index ] >= *samples &&
2413 ignore[ self->audio_index ] == 0 )
2418 else if ( self->audio_index == INT_MAX )
2420 // Check if there is enough audio for all streams
2422 for ( index = 0; got_audio && index < index_max; index++ )
2423 if ( ( self->audio_codec[ index ] && self->audio_used[ index ] < *samples ) || ignore[ index ] )
2430 pthread_mutex_lock( &self->packets_mutex );
2431 if ( mlt_deque_count( self->apackets ) )
2433 AVPacket *tmp = (AVPacket*) mlt_deque_pop_front( self->apackets );
2439 ret = av_read_frame( context, &pkt );
2440 if ( ret >= 0 && !self->seekable && pkt.stream_index == self->video_index )
2442 if ( !av_dup_packet( &pkt ) )
2444 AVPacket *tmp = malloc( sizeof(AVPacket) );
2446 mlt_deque_push_back( self->vpackets, tmp );
2450 pthread_mutex_unlock( &self->packets_mutex );
2452 // We only deal with audio from the selected audio index
2453 index = pkt.stream_index;
2454 if ( index < MAX_AUDIO_STREAMS && ret >= 0 && pkt.data && pkt.size > 0 && ( index == self->audio_index ||
2455 ( self->audio_index == INT_MAX && context->streams[ index ]->codec->codec_type == CODEC_TYPE_AUDIO ) ) )
2457 int channels2 = ( self->audio_index == INT_MAX || !self->audio_resample[index] ) ?
2458 self->audio_codec[index]->channels : *channels;
2459 ret = decode_audio( self, &ignore[index], pkt, channels2, *samples, real_timecode, fps );
2462 if ( self->seekable || index != self->video_index )
2463 av_free_packet( &pkt );
2467 // Set some additional return values
2468 *format = mlt_audio_s16;
2469 if ( self->audio_index != INT_MAX && !self->audio_resample[ self->audio_index ] )
2471 index = self->audio_index;
2472 *channels = self->audio_codec[ index ]->channels;
2473 *frequency = self->audio_codec[ index ]->sample_rate;
2474 *format = pick_audio_format( self->audio_codec[ index ]->sample_fmt );
2475 sizeof_sample = sample_bytes( self->audio_codec[ index ] );
2477 else if ( self->audio_index == INT_MAX )
2479 for ( index = 0; index < index_max; index++ )
2480 if ( self->audio_codec[ index ] && !self->audio_resample[ index ] )
2482 // XXX: This only works if all audio tracks have the same sample format.
2483 *format = pick_audio_format( self->audio_codec[ index ]->sample_fmt );
2484 sizeof_sample = sample_bytes( self->audio_codec[ index ] );
2489 // Allocate and set the frame's audio buffer
2490 int size = mlt_audio_format_size( *format, *samples, *channels );
2491 *buffer = mlt_pool_alloc( size );
2492 mlt_frame_set_audio( frame, *buffer, *format, size, mlt_pool_release );
2494 // Interleave tracks if audio_index=all
2495 if ( self->audio_index == INT_MAX )
2497 uint8_t *dest = *buffer;
2499 for ( i = 0; i < *samples; i++ )
2501 for ( index = 0; index < index_max; index++ )
2502 if ( self->audio_codec[ index ] )
2504 int current_channels = self->audio_codec[ index ]->channels;
2505 uint8_t *src = self->audio_buffer[ index ] + i * current_channels * sizeof_sample;
2506 memcpy( dest, src, current_channels * sizeof_sample );
2507 dest += current_channels * sizeof_sample;
2510 for ( index = 0; index < index_max; index++ )
2511 if ( self->audio_codec[ index ] && self->audio_used[ index ] >= *samples )
2513 int current_channels = self->audio_codec[ index ]->channels;
2514 uint8_t *src = self->audio_buffer[ index ] + *samples * current_channels * sizeof_sample;
2515 self->audio_used[index] -= *samples;
2516 memmove( self->audio_buffer[ index ], src, self->audio_used[ index ] * current_channels * sizeof_sample );
2519 // Copy a single track to the output buffer
2522 index = self->audio_index;
2524 // Now handle the audio if we have enough
2525 if ( self->audio_used[ index ] > 0 )
2527 uint8_t *src = self->audio_buffer[ index ];
2528 // copy samples from audio_buffer
2529 size = self->audio_used[ index ] < *samples ? self->audio_used[ index ] : *samples;
2530 memcpy( *buffer, src, size * *channels * sizeof_sample );
2531 // supply the remaining requested samples as silence
2532 if ( *samples > self->audio_used[ index ] )
2533 memset( *buffer + size * *channels * sizeof_sample, 0, ( *samples - self->audio_used[ index ] ) * *channels * sizeof_sample );
2534 // reposition the samples within audio_buffer
2535 self->audio_used[ index ] -= size;
2536 memmove( src, src + size * *channels * sizeof_sample, self->audio_used[ index ] * *channels * sizeof_sample );
2540 // Otherwise fill with silence
2541 memset( *buffer, 0, *samples * *channels * sizeof_sample );
2547 // Get silence and don't touch the context
2548 mlt_frame_get_audio( frame, buffer, format, frequency, channels, samples );
2551 // Regardless of speed (other than paused), we expect to get the next frame
2553 self->audio_expected = position + 1;
2555 pthread_mutex_unlock( &self->audio_mutex );
2560 /** Initialize the audio codec context.
2563 static int audio_codec_init( producer_avformat self, int index, mlt_properties properties )
2565 // Initialise the codec if necessary
2566 if ( !self->audio_codec[ index ] )
2568 // Get codec context
2569 AVCodecContext *codec_context = self->audio_format->streams[index]->codec;
2572 AVCodec *codec = avcodec_find_decoder( codec_context->codec_id );
2574 // If we don't have a codec and we can't initialise it, we can't do much more...
2575 pthread_mutex_lock( &self->open_mutex );
2576 #if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
2577 if ( codec && avcodec_open2( codec_context, codec, NULL ) >= 0 )
2579 if ( codec && avcodec_open( codec_context, codec ) >= 0 )
2582 // Now store the codec with its destructor
2583 if ( self->audio_codec[ index ] )
2584 avcodec_close( self->audio_codec[ index ] );
2585 self->audio_codec[ index ] = codec_context;
2589 // Remember that we can't use self later
2590 self->audio_index = -1;
2592 pthread_mutex_unlock( &self->open_mutex );
2594 // Process properties as AVOptions
2595 apply_properties( codec_context, properties, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
2596 #if LIBAVCODEC_VERSION_INT >= ((52<<16)+(122<<8)+0)
2597 if ( codec && codec->priv_class && codec_context->priv_data )
2598 apply_properties( codec_context->priv_data, properties, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
2601 return self->audio_codec[ index ] && self->audio_index > -1;
2604 /** Set up audio handling.
2607 static void producer_set_up_audio( producer_avformat self, mlt_frame frame )
2610 mlt_producer producer = self->parent;
2612 // Get the properties
2613 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
2615 // Fetch the audio format context
2616 AVFormatContext *context = self->audio_format;
2618 mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
2620 // Get the audio_index
2621 int index = mlt_properties_get_int( properties, "audio_index" );
2623 // Handle all audio tracks
2624 if ( self->audio_index > -1 &&
2625 mlt_properties_get( properties, "audio_index" ) &&
2626 !strcmp( mlt_properties_get( properties, "audio_index" ), "all" ) )
2629 // Reopen the file if necessary
2630 if ( !context && self->audio_index > -1 && index > -1 )
2632 producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
2633 mlt_properties_get( properties, "resource" ), 1 );
2634 context = self->audio_format;
2637 // Exception handling for audio_index
2638 if ( context && index >= (int) context->nb_streams && index < INT_MAX )
2640 for ( index = context->nb_streams - 1;
2641 index >= 0 && context->streams[ index ]->codec->codec_type != CODEC_TYPE_AUDIO;
2643 mlt_properties_set_int( properties, "audio_index", index );
2645 if ( context && index > -1 && index < INT_MAX &&
2646 context->streams[ index ]->codec->codec_type != CODEC_TYPE_AUDIO )
2648 index = self->audio_index;
2649 mlt_properties_set_int( properties, "audio_index", index );
2652 // Update the audio properties if the index changed
2653 if ( context && index > -1 && index != self->audio_index )
2655 pthread_mutex_lock( &self->open_mutex );
2656 if ( self->audio_codec[ self->audio_index ] )
2657 avcodec_close( self->audio_codec[ self->audio_index ] );
2658 self->audio_codec[ self->audio_index ] = NULL;
2659 pthread_mutex_unlock( &self->open_mutex );
2661 if ( self->audio_index != -1 )
2662 self->audio_index = index;
2667 if ( context && index == INT_MAX )
2669 mlt_properties_set_int( frame_properties, "audio_frequency", self->max_frequency );
2670 mlt_properties_set_int( frame_properties, "audio_channels", self->total_channels );
2671 for ( index = 0; index < context->nb_streams; index++ )
2673 if ( context->streams[ index ]->codec->codec_type == CODEC_TYPE_AUDIO )
2674 audio_codec_init( self, index, properties );
2677 else if ( context && index > -1 && audio_codec_init( self, index, properties ) )
2679 // Set the frame properties
2680 if ( index < MAX_AUDIO_STREAMS )
2682 mlt_properties_set_int( frame_properties, "frequency", self->audio_codec[ index ]->sample_rate );
2683 mlt_properties_set_int( frame_properties, "channels", self->audio_codec[ index ]->channels );
2686 if ( context && index > -1 )
2688 // Add our audio operation
2689 mlt_frame_push_audio( frame, self );
2690 mlt_frame_push_audio( frame, producer_get_audio );
2694 /** Our get frame implementation.
2697 static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index )
2699 // Access the private data
2700 mlt_service service = MLT_PRODUCER_SERVICE( producer );
2701 mlt_cache_item cache_item = mlt_service_cache_get( service, "producer_avformat" );
2702 producer_avformat self = mlt_cache_item_data( cache_item, NULL );
2707 self = calloc( 1, sizeof( struct producer_avformat_s ) );
2708 producer->child = self;
2709 self->parent = producer;
2710 mlt_service_cache_put( service, "producer_avformat", self, 0, (mlt_destructor) producer_avformat_close );
2711 cache_item = mlt_service_cache_get( service, "producer_avformat" );
2714 // Create an empty frame
2715 *frame = mlt_frame_init( service);
2719 mlt_properties_set_data( MLT_FRAME_PROPERTIES(*frame), "avformat_cache", cache_item, 0, (mlt_destructor) mlt_cache_item_close, NULL );
2723 mlt_cache_item_close( cache_item );
2727 // Update timecode on the frame we're creating
2728 mlt_frame_set_position( *frame, mlt_producer_position( producer ) );
2731 producer_set_up_video( self, *frame );
2734 producer_set_up_audio( self, *frame );
2736 // Set the position of this producer
2737 mlt_position position = self->seekable ? mlt_producer_frame( producer ) : self->nonseek_position++;
2738 mlt_properties_set_position( MLT_FRAME_PROPERTIES( *frame ), "original_position", position );
2740 // Calculate the next timecode
2741 mlt_producer_prepare_next( producer );
2746 static void producer_avformat_close( producer_avformat self )
2748 mlt_log_debug( NULL, "producer_avformat_close\n" );
2750 // Cleanup av contexts
2751 av_free_packet( &self->pkt );
2752 av_free( self->av_frame );
2753 pthread_mutex_lock( &self->open_mutex );
2755 for ( i = 0; i < MAX_AUDIO_STREAMS; i++ )
2757 if ( self->audio_resample[i] )
2758 audio_resample_close( self->audio_resample[i] );
2759 mlt_pool_release( self->audio_buffer[i] );
2760 av_free( self->decode_buffer[i] );
2761 if ( self->audio_codec[i] )
2762 avcodec_close( self->audio_codec[i] );
2763 self->audio_codec[i] = NULL;
2765 if ( self->video_codec )
2766 avcodec_close( self->video_codec );
2767 self->video_codec = NULL;
2769 #if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
2770 if ( self->dummy_context )
2771 avformat_close_input( &self->dummy_context );
2772 if ( self->seekable && self->audio_format )
2773 avformat_close_input( &self->audio_format );
2774 if ( self->video_format )
2775 avformat_close_input( &self->video_format );
2777 if ( self->dummy_context )
2778 av_close_input_file( self->dummy_context );
2779 if ( self->seekable && self->audio_format )
2780 av_close_input_file( self->audio_format );
2781 if ( self->video_format )
2782 av_close_input_file( self->video_format );
2784 pthread_mutex_unlock( &self->open_mutex );
2786 vdpau_producer_close( self );
2788 if ( self->image_cache )
2789 mlt_cache_close( self->image_cache );
2791 // Cleanup the mutexes
2792 pthread_mutex_destroy( &self->audio_mutex );
2793 pthread_mutex_destroy( &self->video_mutex );
2794 pthread_mutex_destroy( &self->packets_mutex );
2795 pthread_mutex_destroy( &self->open_mutex );
2797 // Cleanup the packet queues
2799 if ( self->apackets )
2801 while ( ( pkt = mlt_deque_pop_back( self->apackets ) ) )
2803 av_free_packet( pkt );
2806 mlt_deque_close( self->apackets );
2807 self->apackets = NULL;
2809 if ( self->vpackets )
2811 while ( ( pkt = mlt_deque_pop_back( self->vpackets ) ) )
2813 av_free_packet( pkt );
2816 mlt_deque_close( self->vpackets );
2817 self->vpackets = NULL;
2823 static void producer_close( mlt_producer parent )
2825 // Remove this instance from the cache
2826 mlt_service_cache_purge( MLT_PRODUCER_SERVICE(parent) );
2829 parent->close = NULL;
2830 mlt_producer_close( parent );