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 (10)
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;
94 ReSampleContext *audio_resample[ MAX_AUDIO_STREAMS ];
95 mlt_position audio_expected;
96 mlt_position video_expected;
100 int64_t last_position;
102 int64_t current_position;
103 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 double resample_factor;
117 mlt_cache image_cache;
118 mlt_cache alpha_cache;
120 pthread_mutex_t video_mutex;
121 pthread_mutex_t audio_mutex;
124 pthread_mutex_t packets_mutex;
125 pthread_mutex_t open_mutex;
130 struct vdpau_render_state render_states[MAX_VDPAU_SURFACES];
144 typedef struct producer_avformat_s *producer_avformat;
146 // Forward references.
147 static int list_components( char* file );
148 static int producer_open( producer_avformat self, mlt_profile profile, const char *URL, int take_lock );
149 static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index );
150 static void producer_avformat_close( producer_avformat );
151 static void producer_close( mlt_producer parent );
152 static void producer_set_up_video( producer_avformat self, mlt_frame frame );
153 static void producer_set_up_audio( producer_avformat self, mlt_frame frame );
154 static void apply_properties( void *obj, mlt_properties properties, int flags );
155 static int video_codec_init( producer_avformat self, int index, mlt_properties properties );
156 static void get_audio_streams_info( producer_avformat self );
162 /** Constructor for libavformat.
165 mlt_producer producer_avformat_init( mlt_profile profile, const char *service, char *file )
167 if ( list_components( file ) )
170 mlt_producer producer = NULL;
172 // Check that we have a non-NULL argument
175 // Construct the producer
176 producer_avformat self = calloc( 1, sizeof( struct producer_avformat_s ) );
177 producer = calloc( 1, sizeof( struct mlt_producer_s ) );
180 if ( mlt_producer_init( producer, self ) == 0 )
182 self->parent = producer;
184 // Get the properties
185 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
187 // Set the resource property (required for all producers)
188 mlt_properties_set( properties, "resource", file );
190 // Register transport implementation with the producer
191 producer->close = (mlt_destructor) producer_close;
193 // Register our get_frame implementation
194 producer->get_frame = producer_get_frame;
196 if ( strcmp( service, "avformat-novalidate" ) )
199 if ( producer_open( self, profile, file, 1 ) != 0 )
202 mlt_producer_close( producer );
205 else if ( self->seekable )
207 // Close the file to release resources for large playlists - reopen later as needed
208 #if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
209 if ( self->audio_format )
210 avformat_close_input( &self->audio_format );
211 if ( self->video_format )
212 avformat_close_input( &self->video_format );
214 if ( self->audio_format )
215 av_close_input_file( self->audio_format );
216 if ( self->video_format )
217 av_close_input_file( self->video_format );
219 self->audio_format = NULL;
220 self->video_format = NULL;
225 // Default the user-selectable indices from the auto-detected indices
226 mlt_properties_set_int( properties, "audio_index", self->audio_index );
227 mlt_properties_set_int( properties, "video_index", self->video_index );
229 mlt_service_cache_set_size( MLT_PRODUCER_SERVICE(producer), "producer_avformat", 5 );
231 mlt_service_cache_put( MLT_PRODUCER_SERVICE(producer), "producer_avformat", self, 0, (mlt_destructor) producer_avformat_close );
238 int list_components( char* file )
242 // Report information about available demuxers and codecs as YAML Tiny
243 if ( file && strstr( file, "f-list" ) )
245 fprintf( stderr, "---\nformats:\n" );
246 AVInputFormat *format = NULL;
247 while ( ( format = av_iformat_next( format ) ) )
248 fprintf( stderr, " - %s\n", format->name );
249 fprintf( stderr, "...\n" );
252 if ( file && strstr( file, "acodec-list" ) )
254 fprintf( stderr, "---\naudio_codecs:\n" );
255 AVCodec *codec = NULL;
256 while ( ( codec = av_codec_next( codec ) ) )
257 if ( codec->decode && codec->type == CODEC_TYPE_AUDIO )
258 fprintf( stderr, " - %s\n", codec->name );
259 fprintf( stderr, "...\n" );
262 if ( file && strstr( file, "vcodec-list" ) )
264 fprintf( stderr, "---\nvideo_codecs:\n" );
265 AVCodec *codec = NULL;
266 while ( ( codec = av_codec_next( codec ) ) )
267 if ( codec->decode && codec->type == CODEC_TYPE_VIDEO )
268 fprintf( stderr, " - %s\n", codec->name );
269 fprintf( stderr, "...\n" );
276 /** Find the default streams.
279 static mlt_properties find_default_streams( producer_avformat self )
283 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
284 AVDictionaryEntry *tag = NULL;
286 AVMetadataTag *tag = NULL;
288 AVFormatContext *context = self->video_format;
289 mlt_properties meta_media = MLT_PRODUCER_PROPERTIES( self->parent );
291 // Default to the first audio and video streams found
292 self->audio_index = -1;
293 self->video_index = -1;
295 mlt_properties_set_int( meta_media, "meta.media.nb_streams", context->nb_streams );
297 // Allow for multiple audio and video streams in the file and select first of each (if available)
298 for( i = 0; i < context->nb_streams; i++ )
300 // Get the codec context
301 AVStream *stream = context->streams[ i ];
302 if ( ! stream ) continue;
303 AVCodecContext *codec_context = stream->codec;
304 if ( ! codec_context ) continue;
305 AVCodec *codec = avcodec_find_decoder( codec_context->codec_id );
306 if ( ! codec ) continue;
308 snprintf( key, sizeof(key), "meta.media.%d.stream.type", i );
310 // Determine the type and obtain the first index of each type
311 switch( codec_context->codec_type )
313 case CODEC_TYPE_VIDEO:
314 // Use first video stream
315 if ( self->video_index < 0 )
316 self->video_index = i;
317 mlt_properties_set( meta_media, key, "video" );
318 snprintf( key, sizeof(key), "meta.media.%d.stream.frame_rate", i );
319 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(42<<8)+0)
320 double ffmpeg_fps = av_q2d( context->streams[ i ]->avg_frame_rate );
321 if ( isnan( ffmpeg_fps ) || ffmpeg_fps == 0 )
322 ffmpeg_fps = av_q2d( context->streams[ i ]->r_frame_rate );
323 mlt_properties_set_double( meta_media, key, ffmpeg_fps );
325 mlt_properties_set_double( meta_media, key, av_q2d( context->streams[ i ]->r_frame_rate ) );
328 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
329 snprintf( key, sizeof(key), "meta.media.%d.stream.sample_aspect_ratio", i );
330 mlt_properties_set_double( meta_media, key, av_q2d( context->streams[ i ]->sample_aspect_ratio ) );
332 snprintf( key, sizeof(key), "meta.media.%d.codec.width", i );
333 mlt_properties_set_int( meta_media, key, codec_context->width );
334 snprintf( key, sizeof(key), "meta.media.%d.codec.height", i );
335 mlt_properties_set_int( meta_media, key, codec_context->height );
336 snprintf( key, sizeof(key), "meta.media.%d.codec.frame_rate", i );
337 mlt_properties_set_double( meta_media, key, (double) codec_context->time_base.den /
338 ( codec_context->time_base.num == 0 ? 1 : codec_context->time_base.num ) );
339 snprintf( key, sizeof(key), "meta.media.%d.codec.pix_fmt", i );
340 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(3<<8)+0)
341 mlt_properties_set( meta_media, key, av_get_pix_fmt_name( codec_context->pix_fmt ) );
343 mlt_properties_set( meta_media, key, avcodec_get_pix_fmt_name( codec_context->pix_fmt ) );
345 snprintf( key, sizeof(key), "meta.media.%d.codec.sample_aspect_ratio", i );
346 mlt_properties_set_double( meta_media, key, av_q2d( codec_context->sample_aspect_ratio ) );
347 #if LIBAVCODEC_VERSION_INT > ((52<<16)+(28<<8)+0)
348 snprintf( key, sizeof(key), "meta.media.%d.codec.colorspace", i );
349 switch ( codec_context->colorspace )
351 case AVCOL_SPC_SMPTE240M:
352 mlt_properties_set_int( meta_media, key, 240 );
354 case AVCOL_SPC_BT470BG:
355 case AVCOL_SPC_SMPTE170M:
356 mlt_properties_set_int( meta_media, key, 601 );
358 case AVCOL_SPC_BT709:
359 mlt_properties_set_int( meta_media, key, 709 );
362 // This is a heuristic Charles Poynton suggests in "Digital Video and HDTV"
363 mlt_properties_set_int( meta_media, key, codec_context->width * codec_context->height > 750000 ? 709 : 601 );
368 case CODEC_TYPE_AUDIO:
369 // Use first audio stream
370 if ( self->audio_index < 0 )
371 self->audio_index = i;
372 mlt_properties_set( meta_media, key, "audio" );
373 #if LIBAVUTIL_VERSION_INT >= ((50<<16)+(38<<8)+0)
374 snprintf( key, sizeof(key), "meta.media.%d.codec.sample_fmt", i );
375 mlt_properties_set( meta_media, key, av_get_sample_fmt_name( codec_context->sample_fmt ) );
376 #elif (LIBAVCODEC_VERSION_INT >= ((51<<16)+(71<<8)+0))
377 snprintf( key, sizeof(key), "meta.media.%d.codec.sample_fmt", i );
378 mlt_properties_set( meta_media, key, avcodec_get_sample_fmt_name( codec_context->sample_fmt ) );
380 snprintf( key, sizeof(key), "meta.media.%d.codec.sample_rate", i );
381 mlt_properties_set_int( meta_media, key, codec_context->sample_rate );
382 snprintf( key, sizeof(key), "meta.media.%d.codec.channels", i );
383 mlt_properties_set_int( meta_media, key, codec_context->channels );
388 // snprintf( key, sizeof(key), "meta.media.%d.stream.time_base", i );
389 // mlt_properties_set_double( meta_media, key, av_q2d( context->streams[ i ]->time_base ) );
390 snprintf( key, sizeof(key), "meta.media.%d.codec.name", i );
391 mlt_properties_set( meta_media, key, codec->name );
392 #if (LIBAVCODEC_VERSION_INT >= ((51<<16)+(55<<8)+0))
393 snprintf( key, sizeof(key), "meta.media.%d.codec.long_name", i );
394 mlt_properties_set( meta_media, key, codec->long_name );
396 snprintf( key, sizeof(key), "meta.media.%d.codec.bit_rate", i );
397 mlt_properties_set_int( meta_media, key, codec_context->bit_rate );
398 // snprintf( key, sizeof(key), "meta.media.%d.codec.time_base", i );
399 // mlt_properties_set_double( meta_media, key, av_q2d( codec_context->time_base ) );
400 // snprintf( key, sizeof(key), "meta.media.%d.codec.profile", i );
401 // mlt_properties_set_int( meta_media, key, codec_context->profile );
402 // snprintf( key, sizeof(key), "meta.media.%d.codec.level", i );
403 // mlt_properties_set_int( meta_media, key, codec_context->level );
406 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(31<<8)+0)
407 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
408 while ( ( tag = av_dict_get( stream->metadata, "", tag, AV_DICT_IGNORE_SUFFIX ) ) )
410 while ( ( tag = av_metadata_get( stream->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX ) ) )
413 if ( tag->value && strcmp( tag->value, "" ) && strcmp( tag->value, "und" ) )
415 snprintf( key, sizeof(key), "meta.attr.%d.stream.%s.markup", i, tag->key );
416 mlt_properties_set( meta_media, key, tag->value );
421 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(31<<8)+0)
422 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
423 while ( ( tag = av_dict_get( context->metadata, "", tag, AV_DICT_IGNORE_SUFFIX ) ) )
425 while ( ( tag = av_metadata_get( context->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX ) ) )
428 if ( tag->value && strcmp( tag->value, "" ) && strcmp( tag->value, "und" ) )
430 snprintf( key, sizeof(key), "meta.attr.%s.markup", tag->key );
431 mlt_properties_set( meta_media, key, tag->value );
435 if ( context->title && strcmp( context->title, "" ) )
436 mlt_properties_set(properties, "meta.attr.title.markup", context->title );
437 if ( context->author && strcmp( context->author, "" ) )
438 mlt_properties_set(properties, "meta.attr.author.markup", context->author );
439 if ( context->copyright && strcmp( context->copyright, "" ) )
440 mlt_properties_set(properties, "meta.attr.copyright.markup", context->copyright );
441 if ( context->comment )
442 mlt_properties_set(properties, "meta.attr.comment.markup", context->comment );
443 if ( context->album )
444 mlt_properties_set(properties, "meta.attr.album.markup", context->album );
446 mlt_properties_set_int(properties, "meta.attr.year.markup", context->year );
447 if ( context->track )
448 mlt_properties_set_int(properties, "meta.attr.track.markup", context->track );
454 static inline int dv_is_pal( AVPacket *pkt )
456 return pkt->data[3] & 0x80;
459 static int dv_is_wide( AVPacket *pkt )
461 int i = 80 /* block size */ *3 /* VAUX starts at block 3 */ +3 /* skip block header */;
463 for ( ; i < pkt->size; i += 5 /* packet size */ )
465 if ( pkt->data[ i ] == 0x61 )
467 uint8_t x = pkt->data[ i + 2 ] & 0x7;
468 return ( x == 2 ) || ( x == 7 );
474 static double get_aspect_ratio( mlt_properties properties, AVStream *stream, AVCodecContext *codec_context, AVPacket *pkt )
476 double aspect_ratio = 1.0;
478 if ( codec_context->codec_id == CODEC_ID_DVVIDEO )
482 if ( dv_is_pal( pkt ) )
484 if ( dv_is_wide( pkt ) )
486 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 64 );
487 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 45 );
491 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 16 );
492 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 15 );
497 if ( dv_is_wide( pkt ) )
499 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 32 );
500 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 27 );
504 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 8 );
505 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 9 );
512 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
513 stream->sample_aspect_ratio;
515 codec_context->sample_aspect_ratio;
517 // Override FFmpeg's notion of DV aspect ratios, which are
518 // based upon a width of 704. Since we do not have a normaliser
519 // that crops (nor is cropping 720 wide ITU-R 601 video always desirable)
520 // we just coerce the values to facilitate a passive behaviour through
521 // the rescale normaliser when using equivalent producers and consumers.
522 // = display_aspect / (width * height)
523 if ( ar.num == 10 && ar.den == 11 )
526 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 8 );
527 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 9 );
529 else if ( ar.num == 59 && ar.den == 54 )
532 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 16 );
533 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 15 );
535 else if ( ar.num == 40 && ar.den == 33 )
538 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 32 );
539 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 27 );
541 else if ( ar.num == 118 && ar.den == 81 )
544 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 64 );
545 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 45 );
551 AVRational codec_sar = codec_context->sample_aspect_ratio;
552 AVRational stream_sar =
553 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
554 stream->sample_aspect_ratio;
558 if ( codec_sar.num > 0 )
560 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", codec_sar.num );
561 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", codec_sar.den );
563 else if ( stream_sar.num > 0 )
565 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", stream_sar.num );
566 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", stream_sar.den );
570 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 1 );
571 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 1 );
574 AVRational ar = { mlt_properties_get_double( properties, "meta.media.sample_aspect_num" ), mlt_properties_get_double( properties, "meta.media.sample_aspect_den" ) };
575 aspect_ratio = av_q2d( ar );
576 mlt_properties_set_double( properties, "aspect_ratio", aspect_ratio );
581 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
582 static char* parse_url( mlt_profile profile, const char* URL, AVInputFormat **format, AVDictionary **params )
584 static char* parse_url( mlt_profile profile, const char* URL, AVInputFormat **format, AVFormatParameters *params )
587 if ( !URL ) return NULL;
590 char *protocol = strdup( URL );
591 char *url = strchr( protocol, ':' );
593 // Only if there is not a protocol specification that avformat can handle
594 #if LIBAVFORMAT_VERSION_MAJOR >= 53
595 if ( url && avio_check( URL, 0 ) < 0 )
597 if ( url && !url_exist( URL ) )
600 // Truncate protocol string
602 mlt_log_debug( NULL, "%s: protocol=%s resource=%s\n", __FUNCTION__, protocol, url + 1 );
605 *format = av_find_input_format( protocol );
607 // Eat the format designator
612 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
613 // support for legacy width and height parameters
617 // These are required by video4linux2 (defaults)
618 params->width = profile->width;
619 params->height = profile->height;
620 if ( !strstr( URL, "&frame_rate" ) )
621 params->time_base = (AVRational){ profile->frame_rate_den, profile->frame_rate_num };
622 params->channels = 2;
623 params->sample_rate = 48000;
627 url = strchr( url, '?' );
631 char *name = strdup( ++url );
632 char *value = strchr( name, '=' );
634 // Also accept : as delimiter for backwards compatibility.
635 value = strchr( name, ':' );
640 char *t = strchr( value, '&' );
643 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
644 // translate old parameters to new av_dict names
645 if ( !strcmp( name, "frame_rate" ) )
646 av_dict_set( params, "framerate", value, 0 );
647 else if ( !strcmp( name, "pix_fmt" ) )
648 av_dict_set( params, "pixel_format", value, 0 );
649 else if ( !strcmp( name, "width" ) )
650 width = strdup( value );
651 else if ( !strcmp( name, "height" ) )
652 height = strdup( value );
654 // generic demux/device option support
655 av_dict_set( params, name, value, 0 );
657 if ( !strcmp( name, "frame_rate" ) )
658 params->time_base.den = atoi( value );
659 else if ( !strcmp( name, "frame_rate_base" ) )
660 params->time_base.num = atoi( value );
661 else if ( !strcmp( name, "sample_rate" ) )
662 params->sample_rate = atoi( value );
663 else if ( !strcmp( name, "channel" ) )
664 params->channel = atoi( value );
665 else if ( !strcmp( name, "channels" ) )
666 params->channels = atoi( value );
667 #if (LIBAVUTIL_VERSION_INT > ((50<<16)+(7<<8)+0))
668 else if ( !strcmp( name, "pix_fmt" ) )
669 params->pix_fmt = av_get_pix_fmt( value );
671 else if ( !strcmp( name, "width" ) )
672 params->width = atoi( value );
673 else if ( !strcmp( name, "height" ) )
674 params->height = atoi( value );
675 else if ( !strcmp( name, "standard" ) )
676 params->standard = strdup( value );
680 url = strchr( url, '&' );
682 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
683 // continued support for legacy width and height parameters
684 if ( width && height )
686 char *s = malloc( strlen( width ) + strlen( height ) + 2 );
690 av_dict_set( params, "video_size", s, 0 );
693 if ( width ) free( width );
694 if ( height ) free ( height );
697 result = strdup( result );
701 result = strdup( URL );
707 static int get_basic_info( producer_avformat self, mlt_profile profile, const char *filename )
711 // Get the properties
712 mlt_properties properties = MLT_PRODUCER_PROPERTIES( self->parent );
714 AVFormatContext *format = self->video_format;
716 // We will treat everything with the producer fps.
717 // TODO: make this more flexible.
718 double fps = mlt_profile_fps( profile );
721 if ( !mlt_properties_get_int( properties, "_length_computed" ) )
723 // The _length_computed flag prevents overwriting explicity set length/out/eof properties
724 // when producer_open is called after initial call when restoring or reseting the producer.
725 if ( format->duration != AV_NOPTS_VALUE )
727 // This isn't going to be accurate for all formats
728 mlt_position frames = ( mlt_position )( ( ( double )format->duration / ( double )AV_TIME_BASE ) * fps );
729 mlt_properties_set_position( properties, "out", frames - 1 );
730 mlt_properties_set_position( properties, "length", frames );
731 mlt_properties_set_int( properties, "_length_computed", 1 );
735 // Set live sources to run forever
736 mlt_properties_set_position( properties, "length", INT_MAX );
737 mlt_properties_set_position( properties, "out", INT_MAX - 1 );
738 mlt_properties_set( properties, "eof", "loop" );
739 mlt_properties_set_int( properties, "_length_computed", 1 );
743 // Check if we're seekable
744 // avdevices are typically AVFMT_NOFILE and not seekable
745 self->seekable = !format->iformat || !( format->iformat->flags & AVFMT_NOFILE );
748 // protocols can indicate if they support seeking
749 #if LIBAVFORMAT_VERSION_MAJOR >= 53
750 self->seekable = format->pb->seekable;
752 URLContext *uc = url_fileno( format->pb );
754 self->seekable = !uc->is_streamed;
757 if ( self->seekable )
759 // Do a more rigourous test of seekable on a disposable context
760 self->seekable = av_seek_frame( format, -1, format->start_time, AVSEEK_FLAG_BACKWARD ) >= 0;
761 mlt_properties_set_int( properties, "seekable", self->seekable );
762 self->dummy_context = format;
763 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
764 self->video_format = NULL;
765 avformat_open_input( &self->video_format, filename, NULL, NULL );
766 avformat_find_stream_info( self->video_format, NULL );
768 av_open_input_file( &self->video_format, filename, NULL, 0, NULL );
769 av_find_stream_info( self->video_format );
771 format = self->video_format;
774 // Fetch the width, height and aspect ratio
775 if ( self->video_index != -1 )
777 AVCodecContext *codec_context = format->streams[ self->video_index ]->codec;
778 mlt_properties_set_int( properties, "width", codec_context->width );
779 mlt_properties_set_int( properties, "height", codec_context->height );
781 if ( codec_context->codec_id == CODEC_ID_DVVIDEO )
783 // Fetch the first frame of DV so we can read it directly
788 ret = av_read_frame( format, &pkt );
789 if ( ret >= 0 && pkt.stream_index == self->video_index && pkt.size > 0 )
791 get_aspect_ratio( properties, format->streams[ self->video_index ], codec_context, &pkt );
798 get_aspect_ratio( properties, format->streams[ self->video_index ], codec_context, NULL );
802 // Verify that we can convert this to YUV 4:2:2
803 // TODO: we can now also return RGB and RGBA and quite possibly more in the future.
804 struct SwsContext *context = sws_getContext( codec_context->width, codec_context->height, codec_context->pix_fmt,
805 codec_context->width, codec_context->height, PIX_FMT_YUYV422, SWS_BILINEAR, NULL, NULL, NULL);
807 sws_freeContext( context );
818 static int producer_open( producer_avformat self, mlt_profile profile, const char *URL, int take_lock )
820 // Return an error code (0 == no error)
822 mlt_properties properties = MLT_PRODUCER_PROPERTIES( self->parent );
827 pthread_mutex_init( &self->audio_mutex, NULL );
828 pthread_mutex_init( &self->video_mutex, NULL );
829 pthread_mutex_init( &self->packets_mutex, NULL );
830 pthread_mutex_init( &self->open_mutex, NULL );
831 pthread_mutex_lock( &self->audio_mutex );
832 pthread_mutex_lock( &self->video_mutex );
834 mlt_events_block( properties, self->parent );
837 AVInputFormat *format = NULL;
838 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
839 AVDictionary *params = NULL;
841 AVFormatParameters params;
842 memset( ¶ms, 0, sizeof(params) );
844 char *filename = parse_url( profile, URL, &format, ¶ms );
846 // Now attempt to open the file or device with filename
847 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
848 error = avformat_open_input( &self->video_format, filename, format, ¶ms ) < 0;
850 // If the URL is a network stream URL, then we probably need to open with full URL
851 error = avformat_open_input( &self->video_format, URL, format, ¶ms ) < 0;
853 error = av_open_input_file( &self->video_format, filename, format, 0, ¶ms ) < 0;
855 // If the URL is a network stream URL, then we probably need to open with full URL
856 error = av_open_input_file( &self->video_format, URL, format, 0, ¶ms ) < 0;
859 // Set MLT properties onto video AVFormatContext
860 if ( !error && self->video_format )
862 apply_properties( self->video_format, properties, AV_OPT_FLAG_DECODING_PARAM );
863 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(110<<8)+0)
864 if ( self->video_format->iformat && self->video_format->iformat->priv_class && self->video_format->priv_data )
865 apply_properties( self->video_format->priv_data, properties, AV_OPT_FLAG_DECODING_PARAM );
869 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
870 av_dict_free( ¶ms );
872 // Cleanup AVFormatParameters
873 if ( params.standard )
874 free( (void*) params.standard );
877 // If successful, then try to get additional info
878 if ( !error && self->video_format )
880 // Get the stream info
881 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
882 error = avformat_find_stream_info( self->video_format, NULL ) < 0;
884 error = av_find_stream_info( self->video_format ) < 0;
887 // Continue if no error
888 if ( !error && self->video_format )
890 // Find default audio and video streams
891 find_default_streams( self );
892 error = get_basic_info( self, profile, filename );
894 // Initialize position info
895 self->first_pts = -1;
896 self->last_position = POSITION_INITIAL;
898 if ( !self->audio_format )
900 // We're going to cheat here - for seekable A/V files, we will have separate contexts
901 // to support independent seeking of audio from video.
902 // TODO: Is this really necessary?
903 if ( self->audio_index != -1 && self->video_index != -1 )
905 if ( self->seekable )
907 // And open again for our audio context
908 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
909 avformat_open_input( &self->audio_format, filename, NULL, NULL );
910 apply_properties( self->audio_format, properties, AV_OPT_FLAG_DECODING_PARAM );
911 if ( self->audio_format->iformat && self->audio_format->iformat->priv_class && self->audio_format->priv_data )
912 apply_properties( self->audio_format->priv_data, properties, AV_OPT_FLAG_DECODING_PARAM );
913 avformat_find_stream_info( self->audio_format, NULL );
915 av_open_input_file( &self->audio_format, filename, NULL, 0, NULL );
916 apply_properties( self->audio_format, properties, AV_OPT_FLAG_DECODING_PARAM );
917 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(110<<8)+0)
918 if ( self->audio_format->iformat && self->audio_format->iformat->priv_class && self->audio_format->priv_data )
919 apply_properties( self->audio_format->priv_data, properties, AV_OPT_FLAG_DECODING_PARAM );
921 av_find_stream_info( self->audio_format );
926 self->audio_format = self->video_format;
929 else if ( self->audio_index != -1 )
931 // We only have an audio context
932 self->audio_format = self->video_format;
933 self->video_format = NULL;
935 else if ( self->video_index == -1 )
937 // Something has gone wrong
940 if ( self->audio_format && !self->audio_streams )
941 get_audio_streams_info( self );
949 self->apackets = mlt_deque_init();
950 self->vpackets = mlt_deque_init();
953 if ( self->dummy_context )
955 pthread_mutex_lock( &self->open_mutex );
956 #if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
957 avformat_close_input( &self->dummy_context );
959 av_close_input_file( self->dummy_context );
961 self->dummy_context = NULL;
962 pthread_mutex_unlock( &self->open_mutex );
965 // Unlock the service
968 pthread_mutex_unlock( &self->audio_mutex );
969 pthread_mutex_unlock( &self->video_mutex );
971 mlt_events_unblock( properties, self->parent );
976 static void reopen_video( producer_avformat self, mlt_producer producer )
978 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
979 mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
980 pthread_mutex_lock( &self->audio_mutex );
981 pthread_mutex_lock( &self->open_mutex );
983 if ( self->video_codec )
984 avcodec_close( self->video_codec );
985 self->video_codec = NULL;
986 #if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
987 if ( self->dummy_context )
988 avformat_close_input( &self->dummy_context );
989 if ( self->video_format )
990 avformat_close_input( &self->video_format );
992 if ( self->dummy_context )
993 av_close_input_file( self->dummy_context );
994 if ( self->video_format )
995 av_close_input_file( self->video_format );
997 self->dummy_context = NULL;
998 self->video_format = NULL;
999 pthread_mutex_unlock( &self->open_mutex );
1001 int audio_index = self->audio_index;
1002 int video_index = self->video_index;
1004 producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
1005 mlt_properties_get( properties, "resource" ), 0 );
1007 self->audio_index = audio_index;
1008 if ( self->video_format && video_index > -1 )
1010 self->video_index = video_index;
1011 video_codec_init( self, video_index, properties );
1014 pthread_mutex_unlock( &self->audio_mutex );
1015 mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
1018 static int seek_video( producer_avformat self, mlt_position position,
1019 int64_t req_position, int must_decode, int use_new_seek, int *ignore )
1021 mlt_producer producer = self->parent;
1024 if ( self->seekable && ( position != self->video_expected || self->last_position < 0 ) )
1026 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
1028 // Fetch the video format context
1029 AVFormatContext *context = self->video_format;
1031 // Get the video stream
1032 AVStream *stream = context->streams[ self->video_index ];
1034 // Get codec context
1035 AVCodecContext *codec_context = stream->codec;
1037 // We may want to use the source fps if available
1038 double source_fps = mlt_properties_get_double( properties, "meta.media.frame_rate_num" ) /
1039 mlt_properties_get_double( properties, "meta.media.frame_rate_den" );
1041 if ( self->av_frame && position + 1 == self->video_expected )
1043 // We're paused - use last image
1046 else if ( !self->seekable && position > self->video_expected && ( position - self->video_expected ) < 250 )
1048 // Fast forward - seeking is inefficient for small distances - just ignore following frames
1049 *ignore = ( int )( ( position - self->video_expected ) / mlt_producer_get_fps( producer ) * source_fps );
1050 codec_context->skip_loop_filter = AVDISCARD_NONREF;
1052 else if ( self->seekable && ( position < self->video_expected || position - self->video_expected >= 12 || self->last_position < 0 ) )
1054 if ( use_new_seek && self->last_position == POSITION_INITIAL )
1056 // find first key frame
1061 while ( ret >= 0 && toscan-- > 0 )
1063 ret = av_read_frame( context, &pkt );
1064 if ( ret >= 0 && ( pkt.flags & PKT_FLAG_KEY ) && pkt.stream_index == self->video_index )
1066 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "first_pts %"PRId64" dts %"PRId64" pts_dts_delta %d\n", pkt.pts, pkt.dts, (int)(pkt.pts - pkt.dts) );
1067 self->first_pts = pkt.pts;
1070 av_free_packet( &pkt );
1073 av_seek_frame( context, -1, 0, AVSEEK_FLAG_BACKWARD );
1076 // Calculate the timestamp for the requested frame
1080 timestamp = ( req_position - 0.1 / source_fps ) /
1081 ( av_q2d( stream->time_base ) * source_fps );
1082 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "pos %"PRId64" pts %"PRId64"\n", req_position, timestamp );
1083 if ( self->first_pts > 0 )
1084 timestamp += self->first_pts;
1085 else if ( context->start_time != AV_NOPTS_VALUE )
1086 timestamp += context->start_time;
1090 timestamp = ( int64_t )( ( double )req_position / source_fps * AV_TIME_BASE + 0.5 );
1091 if ( context->start_time != AV_NOPTS_VALUE )
1092 timestamp += context->start_time;
1095 timestamp -= AV_TIME_BASE;
1096 if ( timestamp < 0 )
1098 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "seeking timestamp %"PRId64" position %d expected %d last_pos %"PRId64"\n",
1099 timestamp, position, self->video_expected, self->last_position );
1101 // Seek to the timestamp
1104 codec_context->skip_loop_filter = AVDISCARD_NONREF;
1105 av_seek_frame( context, self->video_index, timestamp, AVSEEK_FLAG_BACKWARD );
1107 else if ( req_position > 0 || self->last_position <= 0 )
1109 av_seek_frame( context, -1, timestamp, AVSEEK_FLAG_BACKWARD );
1113 // Re-open video stream when rewinding to beginning from somewhere else.
1114 // This is rather ugly, and I prefer not to do it this way, but ffmpeg is
1115 // not reliably seeking to the first frame across formats.
1116 reopen_video( self, producer );
1119 // Remove the cached info relating to the previous position
1120 self->current_position = POSITION_INVALID;
1121 self->last_position = POSITION_INVALID;
1122 av_freep( &self->av_frame );
1126 // flush any pictures still in decode buffer
1127 avcodec_flush_buffers( codec_context );
1134 /** Convert a frame position to a time code.
1137 static double producer_time_of_frame( mlt_producer producer, mlt_position position )
1139 return ( double )position / mlt_producer_get_fps( producer );
1142 // Collect information about all audio streams
1144 static void get_audio_streams_info( producer_avformat self )
1146 // Fetch the audio format context
1147 AVFormatContext *context = self->audio_format;
1151 i < context->nb_streams;
1154 if ( context->streams[i]->codec->codec_type == CODEC_TYPE_AUDIO )
1156 AVCodecContext *codec_context = context->streams[i]->codec;
1157 AVCodec *codec = avcodec_find_decoder( codec_context->codec_id );
1159 // If we don't have a codec and we can't initialise it, we can't do much more...
1160 pthread_mutex_lock( &self->open_mutex );
1161 #if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
1162 if ( codec && avcodec_open2( codec_context, codec, NULL ) >= 0 )
1164 if ( codec && avcodec_open( codec_context, codec ) >= 0 )
1167 self->audio_streams++;
1168 self->audio_max_stream = i;
1169 self->total_channels += codec_context->channels;
1170 if ( codec_context->channels > self->max_channel )
1171 self->max_channel = codec_context->channels;
1172 if ( codec_context->sample_rate > self->max_frequency )
1173 self->max_frequency = codec_context->sample_rate;
1174 avcodec_close( codec_context );
1176 pthread_mutex_unlock( &self->open_mutex );
1179 mlt_log_verbose( NULL, "[producer avformat] audio: total_streams %d max_stream %d total_channels %d max_channels %d\n",
1180 self->audio_streams, self->audio_max_stream, self->total_channels, self->max_channel );
1182 // Other audio-specific initializations
1183 self->resample_factor = 1.0;
1186 static void set_luma_transfer( struct SwsContext *context, int colorspace, int use_full_range )
1188 #if defined(SWSCALE) && (LIBSWSCALE_VERSION_INT >= ((0<<16)+(7<<8)+2))
1190 const int *new_coefficients;
1192 int brightness, contrast, saturation;
1194 if ( sws_getColorspaceDetails( context, &coefficients, &full_range, &coefficients, &full_range,
1195 &brightness, &contrast, &saturation ) != -1 )
1197 // Don't change these from defaults unless explicitly told to.
1198 if ( use_full_range >= 0 )
1199 full_range = use_full_range;
1200 switch ( colorspace )
1206 new_coefficients = sws_getCoefficients( SWS_CS_ITU601 );
1209 new_coefficients = sws_getCoefficients( SWS_CS_SMPTE240M );
1212 new_coefficients = sws_getCoefficients( SWS_CS_ITU709 );
1215 new_coefficients = coefficients;
1218 sws_setColorspaceDetails( context, new_coefficients, full_range, new_coefficients, full_range,
1219 brightness, contrast, saturation );
1224 static mlt_image_format pick_format( enum PixelFormat pix_fmt )
1232 return mlt_image_rgb24a;
1233 case PIX_FMT_YUV420P:
1234 case PIX_FMT_YUVJ420P:
1235 case PIX_FMT_YUVA420P:
1236 return mlt_image_yuv420p;
1240 case PIX_FMT_MONOWHITE:
1241 case PIX_FMT_MONOBLACK:
1244 return mlt_image_rgb24;
1246 return mlt_image_yuv422;
1250 static void convert_image( AVFrame *frame, uint8_t *buffer, int pix_fmt,
1251 mlt_image_format *format, int width, int height, int colorspace, uint8_t **alpha )
1254 int full_range = -1;
1255 int flags = SWS_BICUBIC | SWS_ACCURATE_RND;
1258 flags |= SWS_CPU_CAPS_MMX;
1261 flags |= SWS_CPU_CAPS_MMX2;
1264 // extract alpha from planar formats
1265 if ( ( pix_fmt == PIX_FMT_YUVA420P
1266 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(35<<8)+0)
1267 || pix_fmt == PIX_FMT_YUVA444P
1270 *format != mlt_image_rgb24a && *format != mlt_image_opengl &&
1271 frame->data[3] && frame->linesize[3] )
1276 dst = *alpha = mlt_pool_alloc( width * height );
1277 src = frame->data[3];
1279 for ( i = 0; i < height; dst += width, src += frame->linesize[3], i++ )
1280 memcpy( dst, src, FFMIN( width, frame->linesize[3] ) );
1283 if ( *format == mlt_image_yuv420p )
1285 struct SwsContext *context = sws_getContext( width, height, pix_fmt,
1286 width, height, PIX_FMT_YUV420P, flags, NULL, NULL, NULL);
1288 output.data[0] = buffer;
1289 output.data[1] = buffer + width * height;
1290 output.data[2] = buffer + ( 5 * width * height ) / 4;
1291 output.linesize[0] = width;
1292 output.linesize[1] = width >> 1;
1293 output.linesize[2] = width >> 1;
1294 set_luma_transfer( context, colorspace, full_range );
1295 sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
1296 output.data, output.linesize);
1297 sws_freeContext( context );
1299 else if ( *format == mlt_image_rgb24 )
1301 struct SwsContext *context = sws_getContext( width, height, pix_fmt,
1302 width, height, PIX_FMT_RGB24, flags | SWS_FULL_CHR_H_INT, NULL, NULL, NULL);
1304 avpicture_fill( &output, buffer, PIX_FMT_RGB24, width, height );
1305 set_luma_transfer( context, colorspace, full_range );
1306 sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
1307 output.data, output.linesize);
1308 sws_freeContext( context );
1310 else if ( *format == mlt_image_rgb24a || *format == mlt_image_opengl )
1312 struct SwsContext *context = sws_getContext( width, height, pix_fmt,
1313 width, height, PIX_FMT_RGBA, flags | SWS_FULL_CHR_H_INT, NULL, NULL, NULL);
1315 avpicture_fill( &output, buffer, PIX_FMT_RGBA, width, height );
1316 set_luma_transfer( context, colorspace, full_range );
1317 sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
1318 output.data, output.linesize);
1319 sws_freeContext( context );
1323 struct SwsContext *context = sws_getContext( width, height, pix_fmt,
1324 width, height, PIX_FMT_YUYV422, flags | SWS_FULL_CHR_H_INP, NULL, NULL, NULL);
1326 avpicture_fill( &output, buffer, PIX_FMT_YUYV422, width, height );
1327 set_luma_transfer( context, colorspace, full_range );
1328 sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
1329 output.data, output.linesize);
1330 sws_freeContext( context );
1333 if ( *format == mlt_image_yuv420p )
1336 pict.data[0] = buffer;
1337 pict.data[1] = buffer + width * height;
1338 pict.data[2] = buffer + ( 5 * width * height ) / 4;
1339 pict.linesize[0] = width;
1340 pict.linesize[1] = width >> 1;
1341 pict.linesize[2] = width >> 1;
1342 img_convert( &pict, PIX_FMT_YUV420P, (AVPicture *)frame, pix_fmt, width, height );
1344 else if ( *format == mlt_image_rgb24 )
1347 avpicture_fill( &output, buffer, PIX_FMT_RGB24, width, height );
1348 img_convert( &output, PIX_FMT_RGB24, (AVPicture *)frame, pix_fmt, width, height );
1350 else if ( format == mlt_image_rgb24a || format == mlt_image_opengl )
1353 avpicture_fill( &output, buffer, PIX_FMT_RGB32, width, height );
1354 img_convert( &output, PIX_FMT_RGB32, (AVPicture *)frame, pix_fmt, width, height );
1359 avpicture_fill( &output, buffer, PIX_FMT_YUYV422, width, height );
1360 img_convert( &output, PIX_FMT_YUYV422, (AVPicture *)frame, pix_fmt, width, height );
1365 /** Allocate the image buffer and set it on the frame.
1368 static int allocate_buffer( mlt_frame frame, AVCodecContext *codec_context, uint8_t **buffer, mlt_image_format *format, int *width, int *height )
1372 if ( codec_context->width == 0 || codec_context->height == 0 )
1374 *width = codec_context->width;
1375 *height = codec_context->height;
1376 size = mlt_image_format_size( *format, *width, *height, NULL );
1377 *buffer = mlt_pool_alloc( size );
1379 mlt_frame_set_image( frame, *buffer, size, mlt_pool_release );
1386 /** Get an image from a frame.
1389 static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
1392 producer_avformat self = mlt_frame_pop_service( frame );
1393 mlt_producer producer = self->parent;
1395 // Get the properties from the frame
1396 mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
1398 // Obtain the frame number of this frame
1399 mlt_position position = mlt_properties_get_position( frame_properties, "avformat_position" );
1401 // Get the producer properties
1402 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
1404 pthread_mutex_lock( &self->video_mutex );
1406 // Fetch the video format context
1407 AVFormatContext *context = self->video_format;
1409 // Get the video stream
1410 AVStream *stream = context->streams[ self->video_index ];
1412 // Get codec context
1413 AVCodecContext *codec_context = stream->codec;
1415 uint8_t *alpha = NULL;
1417 // Get the image cache
1418 if ( ! self->image_cache && ! mlt_properties_get_int( properties, "noimagecache" ) )
1420 self->image_cache = mlt_cache_init();
1421 self->alpha_cache = mlt_cache_init();
1423 if ( self->image_cache )
1425 mlt_cache_item item = mlt_cache_get( self->image_cache, (void*) position );
1426 uint8_t *original = mlt_cache_item_data( item, (int*) format );
1429 // Set the resolution
1430 *width = codec_context->width;
1431 *height = codec_context->height;
1433 // Workaround 1088 encodings missing cropping info.
1434 if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
1438 int size = mlt_image_format_size( *format, *width, *height, NULL );
1441 *buffer = mlt_pool_alloc( size );
1442 mlt_frame_set_image( frame, *buffer, size, mlt_pool_release );
1443 memcpy( *buffer, original, size );
1444 mlt_cache_item_close( item );
1449 mlt_properties_set_data( frame_properties, "avformat.image_cache", item, 0, ( mlt_destructor )mlt_cache_item_close, NULL );
1450 mlt_frame_set_image( frame, *buffer, size, NULL );
1452 self->got_picture = 1;
1455 item = mlt_cache_get( self->alpha_cache, (void*) position );
1456 original = mlt_cache_item_data( item, &size );
1459 alpha = mlt_pool_alloc( size );
1460 memcpy( alpha, original, size );
1461 mlt_cache_item_close( item );
1464 goto exit_get_image;
1473 // Special case ffwd handling
1476 // We may want to use the source fps if available
1477 double source_fps = mlt_properties_get_double( properties, "meta.media.frame_rate_num" ) /
1478 mlt_properties_get_double( properties, "meta.media.frame_rate_den" );
1480 // This is the physical frame position in the source
1481 int64_t req_position = ( int64_t )( position / mlt_producer_get_fps( producer ) * source_fps + 0.5 );
1483 // Determines if we have to decode all frames in a sequence
1484 // Temporary hack to improve intra frame only
1485 int must_decode = !( codec_context->codec && codec_context->codec->name ) || (
1486 strcmp( codec_context->codec->name, "dnxhd" ) &&
1487 strcmp( codec_context->codec->name, "dvvideo" ) &&
1488 strcmp( codec_context->codec->name, "huffyuv" ) &&
1489 strcmp( codec_context->codec->name, "mjpeg" ) &&
1490 strcmp( codec_context->codec->name, "rawvideo" ) );
1492 // Turn on usage of new seek API and PTS for seeking
1493 int use_new_seek = self->seekable &&
1494 codec_context->codec_id == CODEC_ID_H264 && !strcmp( context->iformat->name, "mpegts" );
1495 if ( mlt_properties_get( properties, "new_seek" ) )
1496 use_new_seek = mlt_properties_get_int( properties, "new_seek" );
1497 double delay = mlt_properties_get_double( properties, "video_delay" );
1499 // Seek if necessary
1500 int paused = seek_video( self, position, req_position, must_decode, use_new_seek, &ignore );
1502 // Seek might have reopened the file
1503 context = self->video_format;
1504 stream = context->streams[ self->video_index ];
1505 codec_context = stream->codec;
1506 if ( *format == mlt_image_none ||
1507 codec_context->pix_fmt == PIX_FMT_ARGB ||
1508 codec_context->pix_fmt == PIX_FMT_RGBA ||
1509 codec_context->pix_fmt == PIX_FMT_ABGR ||
1510 codec_context->pix_fmt == PIX_FMT_BGRA )
1511 *format = pick_format( codec_context->pix_fmt );
1513 // Duplicate the last image if necessary
1514 if ( self->av_frame && self->av_frame->linesize[0] && self->got_picture
1516 || self->current_position == req_position
1517 || ( !use_new_seek && self->current_position > req_position ) ) )
1520 if ( ( image_size = allocate_buffer( frame, codec_context, buffer, format, width, height ) ) )
1522 // Workaround 1088 encodings missing cropping info.
1523 if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
1526 if ( self->vdpau && self->vdpau->buffer )
1529 picture.data[0] = self->vdpau->buffer;
1530 picture.data[2] = self->vdpau->buffer + codec_context->width * codec_context->height;
1531 picture.data[1] = self->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
1532 picture.linesize[0] = codec_context->width;
1533 picture.linesize[1] = codec_context->width / 2;
1534 picture.linesize[2] = codec_context->width / 2;
1535 convert_image( (AVFrame*) &picture, *buffer,
1536 PIX_FMT_YUV420P, format, *width, *height, self->colorspace, &alpha );
1540 convert_image( self->av_frame, *buffer, codec_context->pix_fmt,
1541 format, *width, *height, self->colorspace, &alpha );
1544 mlt_frame_get_image( frame, buffer, format, width, height, writable );
1549 int64_t int_position = 0;
1550 int decode_errors = 0;
1551 int got_picture = 0;
1553 av_init_packet( &pkt );
1555 // Construct an AVFrame for YUV422 conversion
1556 if ( !self->av_frame )
1557 self->av_frame = avcodec_alloc_frame( );
1559 while( ret >= 0 && !got_picture )
1562 pthread_mutex_lock( &self->packets_mutex );
1563 if ( mlt_deque_count( self->vpackets ) )
1565 AVPacket *tmp = (AVPacket*) mlt_deque_pop_front( self->vpackets );
1571 ret = av_read_frame( context, &pkt );
1572 if ( ret >= 0 && !self->seekable && pkt.stream_index == self->audio_index )
1574 if ( !av_dup_packet( &pkt ) )
1576 AVPacket *tmp = malloc( sizeof(AVPacket) );
1578 mlt_deque_push_back( self->apackets, tmp );
1582 pthread_mutex_unlock( &self->packets_mutex );
1584 // We only deal with video from the selected video_index
1585 if ( ret >= 0 && pkt.stream_index == self->video_index && pkt.size > 0 )
1587 // Determine time code of the packet
1590 int64_t pts = pkt.pts;
1591 if ( self->first_pts > 0 )
1592 pts -= self->first_pts;
1593 else if ( context->start_time != AV_NOPTS_VALUE )
1594 pts -= context->start_time;
1595 int_position = ( int64_t )( ( av_q2d( stream->time_base ) * pts + delay ) * source_fps + 0.1 );
1596 if ( pkt.pts == AV_NOPTS_VALUE )
1598 self->invalid_pts_counter++;
1599 if ( self->invalid_pts_counter > 20 )
1601 mlt_log_panic( MLT_PRODUCER_SERVICE(producer), "\ainvalid PTS; DISABLING NEW_SEEK!\n" );
1602 mlt_properties_set_int( properties, "new_seek", 0 );
1603 int_position = req_position;
1609 self->invalid_pts_counter = 0;
1611 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "pkt.pts %"PRId64" req_pos %"PRId64" cur_pos %"PRId64" pkt_pos %"PRId64"\n",
1612 pkt.pts, req_position, self->current_position, int_position );
1616 if ( pkt.dts != AV_NOPTS_VALUE )
1618 int_position = ( int64_t )( ( av_q2d( stream->time_base ) * pkt.dts + delay ) * source_fps + 0.5 );
1619 if ( context->start_time != AV_NOPTS_VALUE )
1620 int_position -= ( int64_t )( context->start_time * source_fps / AV_TIME_BASE + 0.5 );
1621 if ( int_position == self->last_position )
1622 int_position = self->last_position + 1;
1624 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "pkt.dts %"PRId64" req_pos %"PRId64" cur_pos %"PRId64" pkt_pos %"PRId64"\n",
1625 pkt.dts, req_position, self->current_position, int_position );
1626 // Make a dumb assumption on streams that contain wild timestamps
1627 if ( abs( req_position - int_position ) > 999 )
1629 int_position = req_position;
1630 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), " WILD TIMESTAMP!" );
1633 self->last_position = int_position;
1636 if ( must_decode || int_position >= req_position )
1641 if ( self->vdpau->decoder == VDP_INVALID_HANDLE )
1643 vdpau_decoder_init( self );
1645 self->vdpau->is_decoded = 0;
1648 codec_context->reordered_opaque = pkt.pts;
1649 if ( int_position >= req_position )
1650 codec_context->skip_loop_filter = AVDISCARD_NONE;
1651 #if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(26<<8)+0))
1652 ret = avcodec_decode_video2( codec_context, self->av_frame, &got_picture, &pkt );
1654 ret = avcodec_decode_video( codec_context, self->av_frame, &got_picture, pkt.data, pkt.size );
1656 // Note: decode may fail at the beginning of MPEGfile (B-frames referencing before first I-frame), so allow a few errors.
1659 if ( ++decode_errors <= 10 )
1672 // Determine time code of the packet
1673 int64_t pts = self->av_frame->reordered_opaque;
1674 if ( self->first_pts > 0 )
1675 pts -= self->first_pts;
1676 else if ( context->start_time != AV_NOPTS_VALUE )
1677 pts -= context->start_time;
1678 int_position = ( int64_t )( av_q2d( stream->time_base) * pts * source_fps + 0.1 );
1679 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "got frame %"PRId64", key %d\n", int_position, self->av_frame->key_frame );
1682 if ( int_position < req_position )
1687 else if ( int_position >= req_position )
1690 codec_context->skip_loop_filter = AVDISCARD_NONE;
1692 else if ( ignore -- )
1697 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), " got_pic %d key %d\n", got_picture, pkt.flags & PKT_FLAG_KEY );
1700 // Now handle the picture if we have one
1703 if ( ( image_size = allocate_buffer( frame, codec_context, buffer, format, width, height ) ) )
1705 // Workaround 1088 encodings missing cropping info.
1706 if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
1711 if ( self->vdpau->is_decoded )
1713 struct vdpau_render_state *render = (struct vdpau_render_state*) self->av_frame->data[0];
1715 uint32_t pitches[3];
1716 VdpYCbCrFormat dest_format = VDP_YCBCR_FORMAT_YV12;
1718 if ( !self->vdpau->buffer )
1719 self->vdpau->buffer = mlt_pool_alloc( codec_context->width * codec_context->height * 3 / 2 );
1720 self->av_frame->data[0] = planes[0] = self->vdpau->buffer;
1721 self->av_frame->data[2] = planes[1] = self->vdpau->buffer + codec_context->width * codec_context->height;
1722 self->av_frame->data[1] = planes[2] = self->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
1723 self->av_frame->linesize[0] = pitches[0] = codec_context->width;
1724 self->av_frame->linesize[1] = pitches[1] = codec_context->width / 2;
1725 self->av_frame->linesize[2] = pitches[2] = codec_context->width / 2;
1727 VdpStatus status = vdp_surface_get_bits( render->surface, dest_format, planes, pitches );
1728 if ( status == VDP_STATUS_OK )
1730 convert_image( self->av_frame, *buffer, PIX_FMT_YUV420P,
1731 format, *width, *height, self->colorspace, &alpha );
1735 mlt_log_error( MLT_PRODUCER_SERVICE(producer), "VDPAU Error: %s\n", vdp_get_error_string( status ) );
1736 image_size = self->vdpau->is_decoded = 0;
1741 mlt_log_error( MLT_PRODUCER_SERVICE(producer), "VDPAU error in VdpDecoderRender\n" );
1742 image_size = got_picture = 0;
1747 convert_image( self->av_frame, *buffer, codec_context->pix_fmt,
1748 format, *width, *height, self->colorspace, &alpha );
1749 self->top_field_first |= self->av_frame->top_field_first;
1750 self->current_position = int_position;
1751 self->got_picture = 1;
1758 if ( self->seekable || pkt.stream_index != self->audio_index )
1759 av_free_packet( &pkt );
1763 if ( self->got_picture && image_size > 0 && self->image_cache )
1765 // Copy buffer to image cache
1766 uint8_t *image = mlt_pool_alloc( image_size );
1767 memcpy( image, *buffer, image_size );
1768 mlt_cache_put( self->image_cache, (void*) position, image, *format, mlt_pool_release );
1771 int alpha_size = (*width) * (*height);
1772 image = mlt_pool_alloc( alpha_size );
1773 memcpy( image, alpha, alpha_size );
1774 mlt_cache_put( self->alpha_cache, (void*) position, image, alpha_size, mlt_pool_release );
1777 // Try to duplicate last image if there was a decoding failure
1778 else if ( !image_size && self->av_frame && self->av_frame->linesize[0] )
1781 if ( ( image_size = allocate_buffer( frame, codec_context, buffer, format, width, height ) ) )
1783 // Workaround 1088 encodings missing cropping info.
1784 if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
1787 if ( self->vdpau && self->vdpau->buffer )
1790 picture.data[0] = self->vdpau->buffer;
1791 picture.data[2] = self->vdpau->buffer + codec_context->width * codec_context->height;
1792 picture.data[1] = self->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
1793 picture.linesize[0] = codec_context->width;
1794 picture.linesize[1] = codec_context->width / 2;
1795 picture.linesize[2] = codec_context->width / 2;
1796 convert_image( (AVFrame*) &picture, *buffer,
1797 PIX_FMT_YUV420P, format, *width, *height, self->colorspace, &alpha );
1801 convert_image( self->av_frame, *buffer, codec_context->pix_fmt,
1802 format, *width, *height, self->colorspace, &alpha );
1803 self->got_picture = 1;
1806 mlt_frame_get_image( frame, buffer, format, width, height, writable );
1809 // Regardless of speed, we expect to get the next frame (cos we ain't too bright)
1810 self->video_expected = position + 1;
1814 pthread_mutex_unlock( &self->video_mutex );
1816 // Set the progressive flag
1817 if ( mlt_properties_get( properties, "force_progressive" ) )
1818 mlt_properties_set_int( frame_properties, "progressive", !!mlt_properties_get_int( properties, "force_progressive" ) );
1819 else if ( self->av_frame )
1820 mlt_properties_set_int( frame_properties, "progressive", !self->av_frame->interlaced_frame );
1822 // Set the field order property for this frame
1823 if ( mlt_properties_get( properties, "force_tff" ) )
1824 mlt_properties_set_int( frame_properties, "top_field_first", !!mlt_properties_get_int( properties, "force_tff" ) );
1826 mlt_properties_set_int( frame_properties, "top_field_first", self->top_field_first );
1828 // Set immutable properties of the selected track's (or overridden) source attributes.
1829 mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
1830 mlt_properties_set_int( properties, "meta.media.top_field_first", self->top_field_first );
1831 mlt_properties_set_int( properties, "meta.media.progressive", mlt_properties_get_int( frame_properties, "progressive" ) );
1832 mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
1836 mlt_frame_set_alpha( frame, alpha, (*width) * (*height), mlt_pool_release );
1838 return !self->got_picture;
1841 /** Process properties as AVOptions and apply to AV context obj
1844 static void apply_properties( void *obj, mlt_properties properties, int flags )
1847 int count = mlt_properties_count( properties );
1848 for ( i = 0; i < count; i++ )
1850 const char *opt_name = mlt_properties_get_name( properties, i );
1851 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(10<<8)+0)
1852 const AVOption *opt = av_opt_find( obj, opt_name, NULL, flags, flags );
1854 const AVOption *opt = av_find_opt( obj, opt_name, NULL, flags, flags );
1856 if ( opt_name && mlt_properties_get( properties, opt_name ) )
1859 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(12<<8)+0)
1860 av_opt_set( obj, opt_name, mlt_properties_get( properties, opt_name), 0 );
1861 #elif LIBAVCODEC_VERSION_INT >= ((52<<16)+(7<<8)+0)
1862 av_set_string3( obj, opt_name, mlt_properties_get( properties, opt_name), 0, NULL );
1863 #elif LIBAVCODEC_VERSION_INT >= ((51<<16)+(59<<8)+0)
1864 av_set_string2( obj, opt_name, mlt_properties_get( properties, opt_name), 0 );
1866 av_set_string( obj, opt_name, mlt_properties_get( properties, opt_name) );
1872 /** Initialize the video codec context.
1875 static int video_codec_init( producer_avformat self, int index, mlt_properties properties )
1877 // Initialise the codec if necessary
1878 if ( !self->video_codec )
1880 // Get the video stream
1881 AVStream *stream = self->video_format->streams[ index ];
1883 // Get codec context
1884 AVCodecContext *codec_context = stream->codec;
1887 AVCodec *codec = avcodec_find_decoder( codec_context->codec_id );
1889 if ( codec_context->codec_id == CODEC_ID_H264 )
1891 if ( ( codec = avcodec_find_decoder_by_name( "h264_vdpau" ) ) )
1893 if ( vdpau_init( self ) )
1895 self->video_codec = codec_context;
1896 if ( !vdpau_decoder_init( self ) )
1901 codec = avcodec_find_decoder( codec_context->codec_id );
1905 // Initialise multi-threading
1906 int thread_count = mlt_properties_get_int( properties, "threads" );
1907 if ( thread_count == 0 && getenv( "MLT_AVFORMAT_THREADS" ) )
1908 thread_count = atoi( getenv( "MLT_AVFORMAT_THREADS" ) );
1909 if ( thread_count > 1 )
1910 codec_context->thread_count = thread_count;
1912 // If we don't have a codec and we can't initialise it, we can't do much more...
1913 pthread_mutex_lock( &self->open_mutex );
1914 #if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
1915 if ( codec && avcodec_open2( codec_context, codec, NULL ) >= 0 )
1917 if ( codec && avcodec_open( codec_context, codec ) >= 0 )
1920 // Now store the codec with its destructor
1921 self->video_codec = codec_context;
1925 // Remember that we can't use this later
1926 self->video_index = -1;
1927 pthread_mutex_unlock( &self->open_mutex );
1930 pthread_mutex_unlock( &self->open_mutex );
1932 // Process properties as AVOptions
1933 apply_properties( codec_context, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
1934 #if LIBAVCODEC_VERSION_INT >= ((52<<16)+(122<<8)+0)
1935 if ( codec->priv_class && codec_context->priv_data )
1936 apply_properties( codec_context->priv_data, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
1939 // Reset some image properties
1940 mlt_properties_set_int( properties, "width", self->video_codec->width );
1941 mlt_properties_set_int( properties, "height", self->video_codec->height );
1942 // For DV, we'll just use the saved aspect ratio
1943 if ( codec_context->codec_id != CODEC_ID_DVVIDEO )
1944 get_aspect_ratio( properties, stream, self->video_codec, NULL );
1946 // Determine the fps first from the codec
1947 double source_fps = (double) self->video_codec->time_base.den /
1948 ( self->video_codec->time_base.num == 0 ? 1 : self->video_codec->time_base.num );
1950 if ( mlt_properties_get( properties, "force_fps" ) )
1952 source_fps = mlt_properties_get_double( properties, "force_fps" );
1953 stream->time_base = av_d2q( source_fps, 1024 );
1954 mlt_properties_set_int( properties, "meta.media.frame_rate_num", stream->time_base.num );
1955 mlt_properties_set_int( properties, "meta.media.frame_rate_den", stream->time_base.den );
1959 // If the muxer reports a frame rate different than the codec
1960 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(42<<8)+0)
1961 double muxer_fps = av_q2d( stream->avg_frame_rate );
1962 if ( isnan( muxer_fps ) || muxer_fps == 0 )
1963 muxer_fps = av_q2d( stream->r_frame_rate );
1965 double muxer_fps = av_q2d( stream->r_frame_rate );
1967 // Choose the lesser - the wrong tends to be off by some multiple of 10
1968 source_fps = FFMIN( source_fps, muxer_fps );
1969 if ( source_fps >= 1.0 && ( source_fps < muxer_fps || isnan( muxer_fps ) ) )
1971 mlt_properties_set_int( properties, "meta.media.frame_rate_num", self->video_codec->time_base.den );
1972 mlt_properties_set_int( properties, "meta.media.frame_rate_den", self->video_codec->time_base.num == 0 ? 1 : self->video_codec->time_base.num );
1974 else if ( muxer_fps > 0 )
1976 AVRational frame_rate = stream->r_frame_rate;
1977 // With my samples when r_frame_rate != 1000 but avg_frame_rate is valid,
1978 // avg_frame_rate gives some approximate value that does not well match the media.
1979 // Also, on my sample where r_frame_rate = 1000, using avg_frame_rate directly
1980 // results in some very choppy output, but some value slightly different works
1982 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(42<<8)+0)
1983 if ( av_q2d( stream->r_frame_rate ) >= 1000 && av_q2d( stream->avg_frame_rate ) > 0 )
1984 frame_rate = av_d2q( av_q2d( stream->avg_frame_rate ), 1024 );
1986 mlt_properties_set_int( properties, "meta.media.frame_rate_num", frame_rate.num );
1987 mlt_properties_set_int( properties, "meta.media.frame_rate_den", frame_rate.den );
1991 source_fps = mlt_producer_get_fps( self->parent );
1992 AVRational frame_rate = av_d2q( source_fps, 255 );
1993 mlt_properties_set_int( properties, "meta.media.frame_rate_num", frame_rate.num );
1994 mlt_properties_set_int( properties, "meta.media.frame_rate_den", frame_rate.den );
1998 // Set the YUV colorspace from override or detect
1999 self->colorspace = mlt_properties_get_int( properties, "force_colorspace" );
2000 #if LIBAVCODEC_VERSION_INT > ((52<<16)+(28<<8)+0)
2001 if ( ! self->colorspace )
2003 switch ( self->video_codec->colorspace )
2005 case AVCOL_SPC_SMPTE240M:
2006 self->colorspace = 240;
2008 case AVCOL_SPC_BT470BG:
2009 case AVCOL_SPC_SMPTE170M:
2010 self->colorspace = 601;
2012 case AVCOL_SPC_BT709:
2013 self->colorspace = 709;
2016 // This is a heuristic Charles Poynton suggests in "Digital Video and HDTV"
2017 self->colorspace = self->video_codec->width * self->video_codec->height > 750000 ? 709 : 601;
2022 // Let apps get chosen colorspace
2023 mlt_properties_set_int( properties, "meta.media.colorspace", self->colorspace );
2025 return self->video_codec && self->video_index > -1;
2028 /** Set up video handling.
2031 static void producer_set_up_video( producer_avformat self, mlt_frame frame )
2034 mlt_producer producer = self->parent;
2036 // Get the properties
2037 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
2039 // Fetch the video format context
2040 AVFormatContext *context = self->video_format;
2042 // Get the video_index
2043 int index = mlt_properties_get_int( properties, "video_index" );
2045 // Reopen the file if necessary
2046 if ( !context && index > -1 )
2048 producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
2049 mlt_properties_get( properties, "resource" ), 1 );
2050 context = self->video_format;
2053 // Exception handling for video_index
2054 if ( context && index >= (int) context->nb_streams )
2056 // Get the last video stream
2057 for ( index = context->nb_streams - 1;
2058 index >= 0 && context->streams[ index ]->codec->codec_type != CODEC_TYPE_VIDEO;
2060 mlt_properties_set_int( properties, "video_index", index );
2062 if ( context && index > -1 && context->streams[ index ]->codec->codec_type != CODEC_TYPE_VIDEO )
2064 // Invalidate the video stream
2066 mlt_properties_set_int( properties, "video_index", index );
2069 // Update the video properties if the index changed
2070 if ( index != self->video_index )
2072 // Reset the video properties if the index changed
2073 self->video_index = index;
2074 pthread_mutex_lock( &self->open_mutex );
2075 if ( self->video_codec )
2076 avcodec_close( self->video_codec );
2077 self->video_codec = NULL;
2078 pthread_mutex_unlock( &self->open_mutex );
2081 // Get the frame properties
2082 mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
2085 if ( context && index > -1 && video_codec_init( self, index, properties ) )
2087 // Set the frame properties
2088 double force_aspect_ratio = mlt_properties_get_double( properties, "force_aspect_ratio" );
2089 double aspect_ratio = ( force_aspect_ratio > 0.0 ) ?
2090 force_aspect_ratio : mlt_properties_get_double( properties, "aspect_ratio" );
2092 // Set the width and height
2093 mlt_properties_set_int( frame_properties, "width", self->video_codec->width );
2094 mlt_properties_set_int( frame_properties, "height", self->video_codec->height );
2095 mlt_properties_set_int( properties, "meta.media.width", self->video_codec->width );
2096 mlt_properties_set_int( properties, "meta.media.height", self->video_codec->height );
2097 mlt_properties_set_double( frame_properties, "aspect_ratio", aspect_ratio );
2098 mlt_properties_set_int( frame_properties, "colorspace", self->colorspace );
2100 // Workaround 1088 encodings missing cropping info.
2101 if ( self->video_codec->height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
2103 mlt_properties_set_int( properties, "meta.media.height", 1080 );
2106 // Add our image operation
2107 mlt_frame_push_service( frame, self );
2108 mlt_frame_push_get_image( frame, producer_get_image );
2112 // If something failed, use test card image
2113 mlt_properties_set_int( frame_properties, "test_image", 1 );
2117 static int seek_audio( producer_avformat self, mlt_position position, double timecode, int *ignore )
2121 // Seek if necessary
2122 if ( self->seekable && position != self->audio_expected )
2124 if ( position + 1 == self->audio_expected )
2126 // We're paused - silence required
2129 else if ( !self->seekable && position > self->audio_expected && ( position - self->audio_expected ) < 250 )
2131 // Fast forward - seeking is inefficient for small distances - just ignore following frames
2132 *ignore = position - self->audio_expected;
2134 else if ( position < self->audio_expected || position - self->audio_expected >= 12 )
2136 AVFormatContext *context = self->audio_format;
2137 int64_t timestamp = ( int64_t )( timecode * AV_TIME_BASE + 0.5 );
2138 if ( context->start_time != AV_NOPTS_VALUE )
2139 timestamp += context->start_time;
2140 if ( timestamp < 0 )
2143 // Set to the real timecode
2144 if ( av_seek_frame( context, -1, timestamp, AVSEEK_FLAG_BACKWARD ) != 0 )
2147 // Clear the usage in the audio buffer
2148 int i = MAX_AUDIO_STREAMS + 1;
2150 self->audio_used[i - 1] = 0;
2156 static int sample_bytes( AVCodecContext *context )
2158 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
2159 return av_get_bytes_per_sample( context->sample_fmt );
2160 #elif LIBAVCODEC_VERSION_MAJOR >= 53
2161 return av_get_bits_per_sample_fmt( context->sample_fmt ) / 8;
2163 return av_get_bits_per_sample_format( context->sample_fmt ) / 8;
2167 static int decode_audio( producer_avformat self, int *ignore, AVPacket pkt, int channels, int samples, double timecode, double fps )
2169 // Fetch the audio_format
2170 AVFormatContext *context = self->audio_format;
2172 // Get the current stream index
2173 int index = pkt.stream_index;
2175 // Get codec context
2176 AVCodecContext *codec_context = self->audio_codec[ index ];
2178 // Obtain the resample context if it exists (not always needed)
2179 ReSampleContext *resample = self->audio_resample[ index ];
2181 // Obtain the audio buffers
2182 uint8_t *audio_buffer = self->audio_buffer[ index ];
2183 uint8_t *decode_buffer = self->decode_buffer[ index ];
2185 int audio_used = self->audio_used[ index ];
2186 uint8_t *ptr = pkt.data;
2190 while ( ptr && ret >= 0 && len > 0 )
2192 int sizeof_sample = resample? sizeof( int16_t ) : sample_bytes( codec_context );
2193 int data_size = self->audio_buffer_size[ index ];
2196 #if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(26<<8)+0))
2197 ret = avcodec_decode_audio3( codec_context, (int16_t*) decode_buffer, &data_size, &pkt );
2198 #elif (LIBAVCODEC_VERSION_INT >= ((51<<16)+(29<<8)+0))
2199 ret = avcodec_decode_audio2( codec_context, decode_buffer, &data_size, ptr, len );
2201 ret = avcodec_decode_audio( codec_context, decode_buffer, &data_size, ptr, len );
2205 mlt_log_warning( MLT_PRODUCER_SERVICE(self->parent), "audio decoding error %d\n", ret );
2209 pkt.size = len -= ret;
2210 pkt.data = ptr += ret;
2212 // If decoded successfully
2213 if ( data_size > 0 )
2215 // Figure out how many samples will be needed after resampling
2216 int convert_samples = data_size / codec_context->channels / sample_bytes( codec_context );
2217 int samples_needed = self->resample_factor * convert_samples;
2219 // Resize audio buffer to prevent overflow
2220 if ( ( audio_used + samples_needed ) * channels * sizeof_sample > self->audio_buffer_size[ index ] )
2222 self->audio_buffer_size[ index ] = ( audio_used + samples_needed * 2 ) * channels * sizeof_sample;
2223 audio_buffer = self->audio_buffer[ index ] = mlt_pool_realloc( audio_buffer, self->audio_buffer_size[ index ] );
2227 // Copy to audio buffer while resampling
2228 uint8_t *source = decode_buffer;
2229 uint8_t *dest = &audio_buffer[ audio_used * channels * sizeof_sample ];
2230 audio_used += audio_resample( resample, (short*) dest, (short*) source, convert_samples );
2234 // Straight copy to audio buffer
2235 memcpy( &audio_buffer[ audio_used * codec_context->channels * sizeof_sample ], decode_buffer, data_size );
2236 audio_used += convert_samples;
2240 while ( *ignore && audio_used )
2243 audio_used -= audio_used > samples ? samples : audio_used;
2244 memmove( audio_buffer, &audio_buffer[ samples * (resample? channels : codec_context->channels) * sizeof_sample ],
2245 audio_used * sizeof_sample );
2250 // If we're behind, ignore this packet
2251 // Skip this on non-seekable, audio-only inputs.
2252 if ( pkt.pts >= 0 && ( self->seekable || self->video_format ) && *ignore == 0 && audio_used > samples / 2 )
2254 double current_pts = av_q2d( context->streams[ index ]->time_base ) * pkt.pts;
2255 int64_t req_position = ( int64_t )( timecode * fps + 0.5 );
2256 int64_t int_position = ( int64_t )( current_pts * fps + 0.5 );
2257 if ( context->start_time != AV_NOPTS_VALUE )
2258 int_position -= ( int64_t )( fps * context->start_time / AV_TIME_BASE + 0.5 );
2260 if ( int_position > 0 )
2262 if ( int_position < req_position )
2263 // We are behind, so skip some
2264 *ignore = req_position - int_position;
2265 else if ( self->audio_index != INT_MAX && int_position > req_position + 2 )
2266 // We are ahead, so seek backwards some more
2267 seek_audio( self, req_position, timecode - 1.0, ignore );
2271 self->audio_used[ index ] = audio_used;
2276 /** Get the audio from a frame.
2278 static int producer_get_audio( mlt_frame frame, void **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples )
2281 producer_avformat self = mlt_frame_pop_audio( frame );
2283 pthread_mutex_lock( &self->audio_mutex );
2285 // Obtain the frame number of this frame
2286 mlt_position position = mlt_properties_get_position( MLT_FRAME_PROPERTIES( frame ), "avformat_position" );
2288 // Calculate the real time code
2289 double real_timecode = producer_time_of_frame( self->parent, position );
2291 // Get the producer fps
2292 double fps = mlt_producer_get_fps( self->parent );
2294 // Number of frames to ignore (for ffwd)
2295 int ignore[ MAX_AUDIO_STREAMS ] = { 0 };
2297 // Flag for paused (silence)
2298 int paused = seek_audio( self, position, real_timecode, &ignore[0] );
2300 // Initialize ignore for all streams from the seek return value
2301 int i = MAX_AUDIO_STREAMS;
2303 ignore[i] = ignore[0];
2305 // Fetch the audio_format
2306 AVFormatContext *context = self->audio_format;
2308 int sizeof_sample = sizeof( int16_t );
2310 // Determine the tracks to use
2311 int index = self->audio_index;
2312 int index_max = self->audio_index + 1;
2313 if ( self->audio_index == INT_MAX )
2316 index_max = context->nb_streams;
2317 *channels = self->total_channels;
2318 *samples = *samples * FFMAX( self->max_frequency, *frequency ) / *frequency;
2319 *frequency = FFMAX( self->max_frequency, *frequency );
2322 // Initialize the resamplers and buffers
2323 for ( ; index < index_max; index++ )
2325 // Get codec context
2326 AVCodecContext *codec_context = self->audio_codec[ index ];
2328 if ( codec_context && !self->audio_buffer[ index ] )
2330 // Check for resample and create if necessary
2331 if ( codec_context->channels <= 2 )
2333 // Determine by how much resampling will increase number of samples
2334 double resample_factor = self->audio_index == INT_MAX ? 1 : (double) *channels / codec_context->channels;
2335 resample_factor *= (double) *frequency / codec_context->sample_rate;
2336 if ( resample_factor > self->resample_factor )
2337 self->resample_factor = resample_factor;
2339 // Create the resampler
2340 #if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(15<<8)+0))
2341 self->audio_resample[ index ] = av_audio_resample_init(
2342 self->audio_index == INT_MAX ? codec_context->channels : *channels,
2343 codec_context->channels, *frequency, codec_context->sample_rate,
2344 AV_SAMPLE_FMT_S16, codec_context->sample_fmt, 16, 10, 0, 0.8 );
2346 self->audio_resample[ index ] = audio_resample_init(
2347 self->audio_index == INT_MAX ? codec_context->channels : *channels,
2348 codec_context->channels, *frequency, codec_context->sample_rate );
2353 codec_context->request_channels = self->audio_index == INT_MAX ? codec_context->channels : *channels;
2354 sizeof_sample = sample_bytes( codec_context );
2357 // Check for audio buffer and create if necessary
2358 self->audio_buffer_size[ index ] = AVCODEC_MAX_AUDIO_FRAME_SIZE * sizeof_sample;
2359 self->audio_buffer[ index ] = mlt_pool_alloc( self->audio_buffer_size[ index ] );
2361 // Check for decoder buffer and create if necessary
2362 self->decode_buffer[ index ] = av_malloc( self->audio_buffer_size[ index ] );
2366 // Get the audio if required
2373 av_init_packet( &pkt );
2375 // If not resampling, give consumer more than requested.
2376 // It requested number samples based on requested frame rate.
2377 // Do not clean this up with a samples *= ...!
2378 if ( self->audio_index != INT_MAX && ! self->audio_resample[ self->audio_index ] )
2379 *samples = *samples * self->audio_codec[ self->audio_index ]->sample_rate / *frequency;
2381 while ( ret >= 0 && !got_audio )
2383 // Check if the buffer already contains the samples required
2384 if ( self->audio_index != INT_MAX &&
2385 self->audio_used[ self->audio_index ] >= *samples &&
2386 ignore[ self->audio_index ] == 0 )
2391 else if ( self->audio_index == INT_MAX )
2393 // Check if there is enough audio for all streams
2395 for ( index = 0; got_audio && index < context->nb_streams; index++ )
2396 if ( ( self->audio_codec[ index ] && self->audio_used[ index ] < *samples ) || ignore[ index ] )
2403 pthread_mutex_lock( &self->packets_mutex );
2404 if ( mlt_deque_count( self->apackets ) )
2406 AVPacket *tmp = (AVPacket*) mlt_deque_pop_front( self->apackets );
2412 ret = av_read_frame( context, &pkt );
2413 if ( ret >= 0 && !self->seekable && pkt.stream_index == self->video_index )
2415 if ( !av_dup_packet( &pkt ) )
2417 AVPacket *tmp = malloc( sizeof(AVPacket) );
2419 mlt_deque_push_back( self->vpackets, tmp );
2423 pthread_mutex_unlock( &self->packets_mutex );
2425 // We only deal with audio from the selected audio index
2426 index = pkt.stream_index;
2427 if ( ret >= 0 && pkt.data && pkt.size > 0 && ( index == self->audio_index ||
2428 ( self->audio_index == INT_MAX && context->streams[ index ]->codec->codec_type == CODEC_TYPE_AUDIO ) ) )
2430 int channels2 = ( self->audio_index == INT_MAX || !self->audio_resample[index] ) ?
2431 self->audio_codec[index]->channels : *channels;
2432 ret = decode_audio( self, &ignore[index], pkt, channels2, *samples, real_timecode, fps );
2435 if ( self->seekable || index != self->video_index )
2436 av_free_packet( &pkt );
2440 // Set some additional return values
2441 *format = mlt_audio_s16;
2442 if ( self->audio_index != INT_MAX && !self->audio_resample[ self->audio_index ] )
2444 index = self->audio_index;
2445 *channels = self->audio_codec[ index ]->channels;
2446 *frequency = self->audio_codec[ index ]->sample_rate;
2447 *format = self->audio_codec[ index ]->sample_fmt == AV_SAMPLE_FMT_S32 ? mlt_audio_s32le
2448 : self->audio_codec[ index ]->sample_fmt == AV_SAMPLE_FMT_FLT ? mlt_audio_f32le
2450 sizeof_sample = sample_bytes( self->audio_codec[ index ] );
2452 else if ( self->audio_index == INT_MAX )
2454 // This only works if all audio tracks have the same sample format.
2455 for ( index = 0; index < index_max; index++ )
2456 if ( self->audio_codec[ index ] && !self->audio_resample[ index ] )
2458 *format = self->audio_codec[ index ]->sample_fmt == AV_SAMPLE_FMT_S32 ? mlt_audio_s32le
2459 : self->audio_codec[ index ]->sample_fmt == AV_SAMPLE_FMT_FLT ? mlt_audio_f32le
2461 sizeof_sample = sample_bytes( self->audio_codec[ index ] );
2466 // Allocate and set the frame's audio buffer
2467 int size = mlt_audio_format_size( *format, *samples, *channels );
2468 *buffer = mlt_pool_alloc( size );
2469 mlt_frame_set_audio( frame, *buffer, *format, size, mlt_pool_release );
2471 // Interleave tracks if audio_index=all
2472 if ( self->audio_index == INT_MAX )
2474 uint8_t *dest = *buffer;
2476 for ( i = 0; i < *samples; i++ )
2478 for ( index = 0; index < index_max; index++ )
2479 if ( self->audio_codec[ index ] )
2481 int current_channels = self->audio_codec[ index ]->channels;
2482 uint8_t *src = self->audio_buffer[ index ] + i * current_channels * sizeof_sample;
2483 memcpy( dest, src, current_channels * sizeof_sample );
2484 dest += current_channels * sizeof_sample;
2487 for ( index = 0; index < index_max; index++ )
2488 if ( self->audio_codec[ index ] && self->audio_used[ index ] >= *samples )
2490 int current_channels = self->audio_codec[ index ]->channels;
2491 uint8_t *src = self->audio_buffer[ index ] + *samples * current_channels * sizeof_sample;
2492 self->audio_used[index] -= *samples;
2493 memmove( self->audio_buffer[ index ], src, self->audio_used[ index ] * current_channels * sizeof_sample );
2496 // Copy a single track to the output buffer
2499 index = self->audio_index;
2501 // Now handle the audio if we have enough
2502 if ( self->audio_used[ index ] > 0 )
2504 uint8_t *src = self->audio_buffer[ index ];
2505 // copy samples from audio_buffer
2506 size = self->audio_used[ index ] < *samples ? self->audio_used[ index ] : *samples;
2507 memcpy( *buffer, src, size * *channels * sizeof_sample );
2508 // supply the remaining requested samples as silence
2509 if ( *samples > self->audio_used[ index ] )
2510 memset( *buffer + size * *channels * sizeof_sample, 0, ( *samples - self->audio_used[ index ] ) * *channels * sizeof_sample );
2511 // reposition the samples within audio_buffer
2512 self->audio_used[ index ] -= size;
2513 memmove( src, src + size * *channels * sizeof_sample, self->audio_used[ index ] * *channels * sizeof_sample );
2517 // Otherwise fill with silence
2518 memset( *buffer, 0, *samples * *channels * sizeof_sample );
2524 // Get silence and don't touch the context
2525 mlt_frame_get_audio( frame, buffer, format, frequency, channels, samples );
2528 // Regardless of speed (other than paused), we expect to get the next frame
2530 self->audio_expected = position + 1;
2532 pthread_mutex_unlock( &self->audio_mutex );
2537 /** Initialize the audio codec context.
2540 static int audio_codec_init( producer_avformat self, int index, mlt_properties properties )
2542 // Initialise the codec if necessary
2543 if ( !self->audio_codec[ index ] )
2545 // Get codec context
2546 AVCodecContext *codec_context = self->audio_format->streams[index]->codec;
2549 AVCodec *codec = avcodec_find_decoder( codec_context->codec_id );
2551 // If we don't have a codec and we can't initialise it, we can't do much more...
2552 pthread_mutex_lock( &self->open_mutex );
2553 #if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
2554 if ( codec && avcodec_open2( codec_context, codec, NULL ) >= 0 )
2556 if ( codec && avcodec_open( codec_context, codec ) >= 0 )
2559 // Now store the codec with its destructor
2560 if ( self->audio_codec[ index ] )
2561 avcodec_close( self->audio_codec[ index ] );
2562 self->audio_codec[ index ] = codec_context;
2566 // Remember that we can't use self later
2567 self->audio_index = -1;
2569 pthread_mutex_unlock( &self->open_mutex );
2571 // Process properties as AVOptions
2572 apply_properties( codec_context, properties, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
2573 #if LIBAVCODEC_VERSION_INT >= ((52<<16)+(122<<8)+0)
2574 if ( codec && codec->priv_class && codec_context->priv_data )
2575 apply_properties( codec_context->priv_data, properties, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
2578 return self->audio_codec[ index ] && self->audio_index > -1;
2581 /** Set up audio handling.
2584 static void producer_set_up_audio( producer_avformat self, mlt_frame frame )
2587 mlt_producer producer = self->parent;
2589 // Get the properties
2590 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
2592 // Fetch the audio format context
2593 AVFormatContext *context = self->audio_format;
2595 mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
2597 // Get the audio_index
2598 int index = mlt_properties_get_int( properties, "audio_index" );
2600 // Handle all audio tracks
2601 if ( self->audio_index > -1 &&
2602 mlt_properties_get( properties, "audio_index" ) &&
2603 !strcmp( mlt_properties_get( properties, "audio_index" ), "all" ) )
2606 // Reopen the file if necessary
2607 if ( !context && self->audio_index > -1 && index > -1 )
2609 producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
2610 mlt_properties_get( properties, "resource" ), 1 );
2611 context = self->audio_format;
2614 // Exception handling for audio_index
2615 if ( context && index >= (int) context->nb_streams && index < INT_MAX )
2617 for ( index = context->nb_streams - 1;
2618 index >= 0 && context->streams[ index ]->codec->codec_type != CODEC_TYPE_AUDIO;
2620 mlt_properties_set_int( properties, "audio_index", index );
2622 if ( context && index > -1 && index < INT_MAX &&
2623 context->streams[ index ]->codec->codec_type != CODEC_TYPE_AUDIO )
2625 index = self->audio_index;
2626 mlt_properties_set_int( properties, "audio_index", index );
2629 // Update the audio properties if the index changed
2630 if ( context && index > -1 && index != self->audio_index )
2632 pthread_mutex_lock( &self->open_mutex );
2633 if ( self->audio_codec[ self->audio_index ] )
2634 avcodec_close( self->audio_codec[ self->audio_index ] );
2635 self->audio_codec[ self->audio_index ] = NULL;
2636 pthread_mutex_unlock( &self->open_mutex );
2638 if ( self->audio_index != -1 )
2639 self->audio_index = index;
2644 if ( context && index == INT_MAX )
2646 mlt_properties_set_int( frame_properties, "audio_frequency", self->max_frequency );
2647 mlt_properties_set_int( frame_properties, "audio_channels", self->total_channels );
2648 for ( index = 0; index < context->nb_streams; index++ )
2650 if ( context->streams[ index ]->codec->codec_type == CODEC_TYPE_AUDIO )
2651 audio_codec_init( self, index, properties );
2654 else if ( context && index > -1 && audio_codec_init( self, index, properties ) )
2656 // Set the frame properties
2657 if ( index < INT_MAX )
2659 mlt_properties_set_int( frame_properties, "frequency", self->audio_codec[ index ]->sample_rate );
2660 mlt_properties_set_int( frame_properties, "channels", self->audio_codec[ index ]->channels );
2663 if ( context && index > -1 )
2665 // Add our audio operation
2666 mlt_frame_push_audio( frame, self );
2667 mlt_frame_push_audio( frame, producer_get_audio );
2671 /** Our get frame implementation.
2674 static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index )
2676 // Access the private data
2677 mlt_service service = MLT_PRODUCER_SERVICE( producer );
2678 mlt_cache_item cache_item = mlt_service_cache_get( service, "producer_avformat" );
2679 producer_avformat self = mlt_cache_item_data( cache_item, NULL );
2684 self = calloc( 1, sizeof( struct producer_avformat_s ) );
2685 producer->child = self;
2686 self->parent = producer;
2687 mlt_service_cache_put( service, "producer_avformat", self, 0, (mlt_destructor) producer_avformat_close );
2688 cache_item = mlt_service_cache_get( service, "producer_avformat" );
2691 // Create an empty frame
2692 *frame = mlt_frame_init( service);
2696 mlt_properties_set_data( MLT_FRAME_PROPERTIES(*frame), "avformat_cache", cache_item, 0, (mlt_destructor) mlt_cache_item_close, NULL );
2700 mlt_cache_item_close( cache_item );
2704 // Update timecode on the frame we're creating
2705 mlt_frame_set_position( *frame, mlt_producer_position( producer ) );
2708 producer_set_up_video( self, *frame );
2711 producer_set_up_audio( self, *frame );
2713 // Set the position of this producer
2714 mlt_position position = self->seekable ? mlt_producer_frame( producer ) : self->nonseek_position++;
2715 mlt_properties_set_position( MLT_FRAME_PROPERTIES( *frame ), "avformat_position", position );
2717 // Calculate the next timecode
2718 mlt_producer_prepare_next( producer );
2723 static void producer_avformat_close( producer_avformat self )
2725 mlt_log_debug( NULL, "producer_avformat_close\n" );
2727 // Cleanup av contexts
2728 av_free( self->av_frame );
2729 pthread_mutex_lock( &self->open_mutex );
2731 for ( i = 0; i < MAX_AUDIO_STREAMS; i++ )
2733 if ( self->audio_resample[i] )
2734 audio_resample_close( self->audio_resample[i] );
2735 mlt_pool_release( self->audio_buffer[i] );
2736 av_free( self->decode_buffer[i] );
2737 if ( self->audio_codec[i] )
2738 avcodec_close( self->audio_codec[i] );
2739 self->audio_codec[i] = NULL;
2741 if ( self->video_codec )
2742 avcodec_close( self->video_codec );
2743 self->video_codec = NULL;
2745 #if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
2746 if ( self->dummy_context )
2747 avformat_close_input( &self->dummy_context );
2748 if ( self->seekable && self->audio_format )
2749 avformat_close_input( &self->audio_format );
2750 if ( self->video_format )
2751 avformat_close_input( &self->video_format );
2753 if ( self->dummy_context )
2754 av_close_input_file( self->dummy_context );
2755 if ( self->seekable && self->audio_format )
2756 av_close_input_file( self->audio_format );
2757 if ( self->video_format )
2758 av_close_input_file( self->video_format );
2760 pthread_mutex_unlock( &self->open_mutex );
2762 vdpau_producer_close( self );
2764 if ( self->image_cache )
2765 mlt_cache_close( self->image_cache );
2766 if ( self->alpha_cache )
2767 mlt_cache_close( self->alpha_cache );
2769 // Cleanup the mutexes
2770 pthread_mutex_destroy( &self->audio_mutex );
2771 pthread_mutex_destroy( &self->video_mutex );
2772 pthread_mutex_destroy( &self->packets_mutex );
2773 pthread_mutex_destroy( &self->open_mutex );
2775 // Cleanup the packet queues
2777 if ( self->apackets )
2779 while ( ( pkt = mlt_deque_pop_back( self->apackets ) ) )
2781 av_free_packet( pkt );
2784 mlt_deque_close( self->apackets );
2785 self->apackets = NULL;
2787 if ( self->vpackets )
2789 while ( ( pkt = mlt_deque_pop_back( self->vpackets ) ) )
2791 av_free_packet( pkt );
2794 mlt_deque_close( self->vpackets );
2795 self->vpackets = NULL;
2801 static void producer_close( mlt_producer parent )
2803 // Remove this instance from the cache
2804 mlt_service_cache_purge( MLT_PRODUCER_SERVICE(parent) );
2807 parent->close = NULL;
2808 mlt_producer_close( parent );