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 if ( !codec_context->channels )
371 // Use first audio stream
372 if ( self->audio_index < 0 )
373 self->audio_index = i;
374 mlt_properties_set( meta_media, key, "audio" );
375 #if LIBAVUTIL_VERSION_INT >= ((50<<16)+(38<<8)+0)
376 snprintf( key, sizeof(key), "meta.media.%d.codec.sample_fmt", i );
377 mlt_properties_set( meta_media, key, av_get_sample_fmt_name( codec_context->sample_fmt ) );
378 #elif (LIBAVCODEC_VERSION_INT >= ((51<<16)+(71<<8)+0))
379 snprintf( key, sizeof(key), "meta.media.%d.codec.sample_fmt", i );
380 mlt_properties_set( meta_media, key, avcodec_get_sample_fmt_name( codec_context->sample_fmt ) );
382 snprintf( key, sizeof(key), "meta.media.%d.codec.sample_rate", i );
383 mlt_properties_set_int( meta_media, key, codec_context->sample_rate );
384 snprintf( key, sizeof(key), "meta.media.%d.codec.channels", i );
385 mlt_properties_set_int( meta_media, key, codec_context->channels );
390 // snprintf( key, sizeof(key), "meta.media.%d.stream.time_base", i );
391 // mlt_properties_set_double( meta_media, key, av_q2d( context->streams[ i ]->time_base ) );
392 snprintf( key, sizeof(key), "meta.media.%d.codec.name", i );
393 mlt_properties_set( meta_media, key, codec->name );
394 #if (LIBAVCODEC_VERSION_INT >= ((51<<16)+(55<<8)+0))
395 snprintf( key, sizeof(key), "meta.media.%d.codec.long_name", i );
396 mlt_properties_set( meta_media, key, codec->long_name );
398 snprintf( key, sizeof(key), "meta.media.%d.codec.bit_rate", i );
399 mlt_properties_set_int( meta_media, key, codec_context->bit_rate );
400 // snprintf( key, sizeof(key), "meta.media.%d.codec.time_base", i );
401 // mlt_properties_set_double( meta_media, key, av_q2d( codec_context->time_base ) );
402 // snprintf( key, sizeof(key), "meta.media.%d.codec.profile", i );
403 // mlt_properties_set_int( meta_media, key, codec_context->profile );
404 // snprintf( key, sizeof(key), "meta.media.%d.codec.level", i );
405 // mlt_properties_set_int( meta_media, key, codec_context->level );
408 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(31<<8)+0)
409 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
410 while ( ( tag = av_dict_get( stream->metadata, "", tag, AV_DICT_IGNORE_SUFFIX ) ) )
412 while ( ( tag = av_metadata_get( stream->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX ) ) )
415 if ( tag->value && strcmp( tag->value, "" ) && strcmp( tag->value, "und" ) )
417 snprintf( key, sizeof(key), "meta.attr.%d.stream.%s.markup", i, tag->key );
418 mlt_properties_set( meta_media, key, tag->value );
423 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(31<<8)+0)
424 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
425 while ( ( tag = av_dict_get( context->metadata, "", tag, AV_DICT_IGNORE_SUFFIX ) ) )
427 while ( ( tag = av_metadata_get( context->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX ) ) )
430 if ( tag->value && strcmp( tag->value, "" ) && strcmp( tag->value, "und" ) )
432 snprintf( key, sizeof(key), "meta.attr.%s.markup", tag->key );
433 mlt_properties_set( meta_media, key, tag->value );
437 if ( context->title && strcmp( context->title, "" ) )
438 mlt_properties_set(properties, "meta.attr.title.markup", context->title );
439 if ( context->author && strcmp( context->author, "" ) )
440 mlt_properties_set(properties, "meta.attr.author.markup", context->author );
441 if ( context->copyright && strcmp( context->copyright, "" ) )
442 mlt_properties_set(properties, "meta.attr.copyright.markup", context->copyright );
443 if ( context->comment )
444 mlt_properties_set(properties, "meta.attr.comment.markup", context->comment );
445 if ( context->album )
446 mlt_properties_set(properties, "meta.attr.album.markup", context->album );
448 mlt_properties_set_int(properties, "meta.attr.year.markup", context->year );
449 if ( context->track )
450 mlt_properties_set_int(properties, "meta.attr.track.markup", context->track );
456 static inline int dv_is_pal( AVPacket *pkt )
458 return pkt->data[3] & 0x80;
461 static int dv_is_wide( AVPacket *pkt )
463 int i = 80 /* block size */ *3 /* VAUX starts at block 3 */ +3 /* skip block header */;
465 for ( ; i < pkt->size; i += 5 /* packet size */ )
467 if ( pkt->data[ i ] == 0x61 )
469 uint8_t x = pkt->data[ i + 2 ] & 0x7;
470 return ( x == 2 ) || ( x == 7 );
476 static double get_aspect_ratio( mlt_properties properties, AVStream *stream, AVCodecContext *codec_context, AVPacket *pkt )
478 double aspect_ratio = 1.0;
480 if ( codec_context->codec_id == CODEC_ID_DVVIDEO )
484 if ( dv_is_pal( pkt ) )
486 if ( dv_is_wide( pkt ) )
488 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 64 );
489 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 45 );
493 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 16 );
494 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 15 );
499 if ( dv_is_wide( pkt ) )
501 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 32 );
502 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 27 );
506 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 8 );
507 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 9 );
514 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
515 stream->sample_aspect_ratio;
517 codec_context->sample_aspect_ratio;
519 // Override FFmpeg's notion of DV aspect ratios, which are
520 // based upon a width of 704. Since we do not have a normaliser
521 // that crops (nor is cropping 720 wide ITU-R 601 video always desirable)
522 // we just coerce the values to facilitate a passive behaviour through
523 // the rescale normaliser when using equivalent producers and consumers.
524 // = display_aspect / (width * height)
525 if ( ar.num == 10 && ar.den == 11 )
528 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 8 );
529 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 9 );
531 else if ( ar.num == 59 && ar.den == 54 )
534 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 16 );
535 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 15 );
537 else if ( ar.num == 40 && ar.den == 33 )
540 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 32 );
541 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 27 );
543 else if ( ar.num == 118 && ar.den == 81 )
546 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 64 );
547 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 45 );
553 AVRational codec_sar = codec_context->sample_aspect_ratio;
554 AVRational stream_sar =
555 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
556 stream->sample_aspect_ratio;
560 if ( codec_sar.num > 0 )
562 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", codec_sar.num );
563 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", codec_sar.den );
565 else if ( stream_sar.num > 0 )
567 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", stream_sar.num );
568 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", stream_sar.den );
572 mlt_properties_set_int( properties, "meta.media.sample_aspect_num", 1 );
573 mlt_properties_set_int( properties, "meta.media.sample_aspect_den", 1 );
576 AVRational ar = { mlt_properties_get_double( properties, "meta.media.sample_aspect_num" ), mlt_properties_get_double( properties, "meta.media.sample_aspect_den" ) };
577 aspect_ratio = av_q2d( ar );
578 mlt_properties_set_double( properties, "aspect_ratio", aspect_ratio );
583 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
584 static char* parse_url( mlt_profile profile, const char* URL, AVInputFormat **format, AVDictionary **params )
586 static char* parse_url( mlt_profile profile, const char* URL, AVInputFormat **format, AVFormatParameters *params )
589 if ( !URL ) return NULL;
592 char *protocol = strdup( URL );
593 char *url = strchr( protocol, ':' );
595 // Only if there is not a protocol specification that avformat can handle
596 #if LIBAVFORMAT_VERSION_MAJOR >= 53
597 if ( url && avio_check( URL, 0 ) < 0 )
599 if ( url && !url_exist( URL ) )
602 // Truncate protocol string
604 mlt_log_debug( NULL, "%s: protocol=%s resource=%s\n", __FUNCTION__, protocol, url + 1 );
607 *format = av_find_input_format( protocol );
609 // Eat the format designator
614 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
615 // support for legacy width and height parameters
619 // These are required by video4linux2 (defaults)
620 params->width = profile->width;
621 params->height = profile->height;
622 if ( !strstr( URL, "&frame_rate" ) )
623 params->time_base = (AVRational){ profile->frame_rate_den, profile->frame_rate_num };
624 params->channels = 2;
625 params->sample_rate = 48000;
629 url = strchr( url, '?' );
633 char *name = strdup( ++url );
634 char *value = strchr( name, '=' );
636 // Also accept : as delimiter for backwards compatibility.
637 value = strchr( name, ':' );
642 char *t = strchr( value, '&' );
645 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
646 // translate old parameters to new av_dict names
647 if ( !strcmp( name, "frame_rate" ) )
648 av_dict_set( params, "framerate", value, 0 );
649 else if ( !strcmp( name, "pix_fmt" ) )
650 av_dict_set( params, "pixel_format", value, 0 );
651 else if ( !strcmp( name, "width" ) )
652 width = strdup( value );
653 else if ( !strcmp( name, "height" ) )
654 height = strdup( value );
656 // generic demux/device option support
657 av_dict_set( params, name, value, 0 );
659 if ( !strcmp( name, "frame_rate" ) )
660 params->time_base.den = atoi( value );
661 else if ( !strcmp( name, "frame_rate_base" ) )
662 params->time_base.num = atoi( value );
663 else if ( !strcmp( name, "sample_rate" ) )
664 params->sample_rate = atoi( value );
665 else if ( !strcmp( name, "channel" ) )
666 params->channel = atoi( value );
667 else if ( !strcmp( name, "channels" ) )
668 params->channels = atoi( value );
669 #if (LIBAVUTIL_VERSION_INT > ((50<<16)+(7<<8)+0))
670 else if ( !strcmp( name, "pix_fmt" ) )
671 params->pix_fmt = av_get_pix_fmt( value );
673 else if ( !strcmp( name, "width" ) )
674 params->width = atoi( value );
675 else if ( !strcmp( name, "height" ) )
676 params->height = atoi( value );
677 else if ( !strcmp( name, "standard" ) )
678 params->standard = strdup( value );
682 url = strchr( url, '&' );
684 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
685 // continued support for legacy width and height parameters
686 if ( width && height )
688 char *s = malloc( strlen( width ) + strlen( height ) + 2 );
692 av_dict_set( params, "video_size", s, 0 );
695 if ( width ) free( width );
696 if ( height ) free ( height );
699 result = strdup( result );
703 result = strdup( URL );
709 static int get_basic_info( producer_avformat self, mlt_profile profile, const char *filename )
713 // Get the properties
714 mlt_properties properties = MLT_PRODUCER_PROPERTIES( self->parent );
716 AVFormatContext *format = self->video_format;
718 // We will treat everything with the producer fps.
719 // TODO: make this more flexible.
720 double fps = mlt_profile_fps( profile );
723 if ( !mlt_properties_get_int( properties, "_length_computed" ) )
725 // The _length_computed flag prevents overwriting explicity set length/out/eof properties
726 // when producer_open is called after initial call when restoring or reseting the producer.
727 if ( format->duration != AV_NOPTS_VALUE )
729 // This isn't going to be accurate for all formats
730 mlt_position frames = ( mlt_position )( ( ( double )format->duration / ( double )AV_TIME_BASE ) * fps );
731 mlt_properties_set_position( properties, "out", frames - 1 );
732 mlt_properties_set_position( properties, "length", frames );
733 mlt_properties_set_int( properties, "_length_computed", 1 );
737 // Set live sources to run forever
738 mlt_properties_set_position( properties, "length", INT_MAX );
739 mlt_properties_set_position( properties, "out", INT_MAX - 1 );
740 mlt_properties_set( properties, "eof", "loop" );
741 mlt_properties_set_int( properties, "_length_computed", 1 );
745 // Check if we're seekable
746 // avdevices are typically AVFMT_NOFILE and not seekable
747 self->seekable = !format->iformat || !( format->iformat->flags & AVFMT_NOFILE );
750 // protocols can indicate if they support seeking
751 #if LIBAVFORMAT_VERSION_MAJOR >= 53
752 self->seekable = format->pb->seekable;
754 URLContext *uc = url_fileno( format->pb );
756 self->seekable = !uc->is_streamed;
759 if ( self->seekable )
761 // Do a more rigourous test of seekable on a disposable context
762 self->seekable = av_seek_frame( format, -1, format->start_time, AVSEEK_FLAG_BACKWARD ) >= 0;
763 mlt_properties_set_int( properties, "seekable", self->seekable );
764 self->dummy_context = format;
765 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
766 self->video_format = NULL;
767 avformat_open_input( &self->video_format, filename, NULL, NULL );
768 avformat_find_stream_info( self->video_format, NULL );
770 av_open_input_file( &self->video_format, filename, NULL, 0, NULL );
771 av_find_stream_info( self->video_format );
773 format = self->video_format;
776 // Fetch the width, height and aspect ratio
777 if ( self->video_index != -1 )
779 AVCodecContext *codec_context = format->streams[ self->video_index ]->codec;
780 mlt_properties_set_int( properties, "width", codec_context->width );
781 mlt_properties_set_int( properties, "height", codec_context->height );
783 if ( codec_context->codec_id == CODEC_ID_DVVIDEO )
785 // Fetch the first frame of DV so we can read it directly
790 ret = av_read_frame( format, &pkt );
791 if ( ret >= 0 && pkt.stream_index == self->video_index && pkt.size > 0 )
793 get_aspect_ratio( properties, format->streams[ self->video_index ], codec_context, &pkt );
800 get_aspect_ratio( properties, format->streams[ self->video_index ], codec_context, NULL );
804 // Verify that we can convert this to YUV 4:2:2
805 // TODO: we can now also return RGB and RGBA and quite possibly more in the future.
806 struct SwsContext *context = sws_getContext( codec_context->width, codec_context->height, codec_context->pix_fmt,
807 codec_context->width, codec_context->height, PIX_FMT_YUYV422, SWS_BILINEAR, NULL, NULL, NULL);
809 sws_freeContext( context );
820 static int producer_open( producer_avformat self, mlt_profile profile, const char *URL, int take_lock )
822 // Return an error code (0 == no error)
824 mlt_properties properties = MLT_PRODUCER_PROPERTIES( self->parent );
829 pthread_mutex_init( &self->audio_mutex, NULL );
830 pthread_mutex_init( &self->video_mutex, NULL );
831 pthread_mutex_init( &self->packets_mutex, NULL );
832 pthread_mutex_init( &self->open_mutex, NULL );
833 pthread_mutex_lock( &self->audio_mutex );
834 pthread_mutex_lock( &self->video_mutex );
836 mlt_events_block( properties, self->parent );
839 AVInputFormat *format = NULL;
840 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
841 AVDictionary *params = NULL;
843 AVFormatParameters params;
844 memset( ¶ms, 0, sizeof(params) );
846 char *filename = parse_url( profile, URL, &format, ¶ms );
848 // Now attempt to open the file or device with filename
849 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
850 error = avformat_open_input( &self->video_format, filename, format, ¶ms ) < 0;
852 // If the URL is a network stream URL, then we probably need to open with full URL
853 error = avformat_open_input( &self->video_format, URL, format, ¶ms ) < 0;
855 error = av_open_input_file( &self->video_format, filename, format, 0, ¶ms ) < 0;
857 // If the URL is a network stream URL, then we probably need to open with full URL
858 error = av_open_input_file( &self->video_format, URL, format, 0, ¶ms ) < 0;
861 // Set MLT properties onto video AVFormatContext
862 if ( !error && self->video_format )
864 apply_properties( self->video_format, properties, AV_OPT_FLAG_DECODING_PARAM );
865 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(110<<8)+0)
866 if ( self->video_format->iformat && self->video_format->iformat->priv_class && self->video_format->priv_data )
867 apply_properties( self->video_format->priv_data, properties, AV_OPT_FLAG_DECODING_PARAM );
871 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
872 av_dict_free( ¶ms );
874 // Cleanup AVFormatParameters
875 if ( params.standard )
876 free( (void*) params.standard );
879 // If successful, then try to get additional info
880 if ( !error && self->video_format )
882 // Get the stream info
883 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
884 error = avformat_find_stream_info( self->video_format, NULL ) < 0;
886 error = av_find_stream_info( self->video_format ) < 0;
889 // Continue if no error
890 if ( !error && self->video_format )
892 // Find default audio and video streams
893 find_default_streams( self );
894 error = get_basic_info( self, profile, filename );
896 // Initialize position info
897 self->first_pts = -1;
898 self->last_position = POSITION_INITIAL;
900 if ( !self->audio_format )
902 // We're going to cheat here - for seekable A/V files, we will have separate contexts
903 // to support independent seeking of audio from video.
904 // TODO: Is this really necessary?
905 if ( self->audio_index != -1 && self->video_index != -1 )
907 if ( self->seekable )
909 // And open again for our audio context
910 #if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
911 avformat_open_input( &self->audio_format, filename, NULL, NULL );
912 apply_properties( self->audio_format, properties, AV_OPT_FLAG_DECODING_PARAM );
913 if ( self->audio_format->iformat && self->audio_format->iformat->priv_class && self->audio_format->priv_data )
914 apply_properties( self->audio_format->priv_data, properties, AV_OPT_FLAG_DECODING_PARAM );
915 avformat_find_stream_info( self->audio_format, NULL );
917 av_open_input_file( &self->audio_format, filename, NULL, 0, NULL );
918 apply_properties( self->audio_format, properties, AV_OPT_FLAG_DECODING_PARAM );
919 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(110<<8)+0)
920 if ( self->audio_format->iformat && self->audio_format->iformat->priv_class && self->audio_format->priv_data )
921 apply_properties( self->audio_format->priv_data, properties, AV_OPT_FLAG_DECODING_PARAM );
923 av_find_stream_info( self->audio_format );
928 self->audio_format = self->video_format;
931 else if ( self->audio_index != -1 )
933 // We only have an audio context
934 self->audio_format = self->video_format;
935 self->video_format = NULL;
937 else if ( self->video_index == -1 )
939 // Something has gone wrong
942 if ( self->audio_format && !self->audio_streams )
943 get_audio_streams_info( self );
951 self->apackets = mlt_deque_init();
952 self->vpackets = mlt_deque_init();
955 if ( self->dummy_context )
957 pthread_mutex_lock( &self->open_mutex );
958 #if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
959 avformat_close_input( &self->dummy_context );
961 av_close_input_file( self->dummy_context );
963 self->dummy_context = NULL;
964 pthread_mutex_unlock( &self->open_mutex );
967 // Unlock the service
970 pthread_mutex_unlock( &self->audio_mutex );
971 pthread_mutex_unlock( &self->video_mutex );
973 mlt_events_unblock( properties, self->parent );
978 static void reopen_video( producer_avformat self, mlt_producer producer )
980 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
981 mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
982 pthread_mutex_lock( &self->audio_mutex );
983 pthread_mutex_lock( &self->open_mutex );
985 if ( self->video_codec )
986 avcodec_close( self->video_codec );
987 self->video_codec = NULL;
988 #if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
989 if ( self->dummy_context )
990 avformat_close_input( &self->dummy_context );
991 if ( self->video_format )
992 avformat_close_input( &self->video_format );
994 if ( self->dummy_context )
995 av_close_input_file( self->dummy_context );
996 if ( self->video_format )
997 av_close_input_file( self->video_format );
999 self->dummy_context = NULL;
1000 self->video_format = NULL;
1001 pthread_mutex_unlock( &self->open_mutex );
1003 int audio_index = self->audio_index;
1004 int video_index = self->video_index;
1006 producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
1007 mlt_properties_get( properties, "resource" ), 0 );
1009 self->audio_index = audio_index;
1010 if ( self->video_format && video_index > -1 )
1012 self->video_index = video_index;
1013 video_codec_init( self, video_index, properties );
1016 pthread_mutex_unlock( &self->audio_mutex );
1017 mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
1020 static int seek_video( producer_avformat self, mlt_position position,
1021 int64_t req_position, int must_decode, int use_new_seek, int *ignore )
1023 mlt_producer producer = self->parent;
1026 if ( self->seekable && ( position != self->video_expected || self->last_position < 0 ) )
1028 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
1030 // Fetch the video format context
1031 AVFormatContext *context = self->video_format;
1033 // Get the video stream
1034 AVStream *stream = context->streams[ self->video_index ];
1036 // Get codec context
1037 AVCodecContext *codec_context = stream->codec;
1039 // We may want to use the source fps if available
1040 double source_fps = mlt_properties_get_double( properties, "meta.media.frame_rate_num" ) /
1041 mlt_properties_get_double( properties, "meta.media.frame_rate_den" );
1043 if ( self->av_frame && position + 1 == self->video_expected )
1045 // We're paused - use last image
1048 else if ( !self->seekable && position > self->video_expected && ( position - self->video_expected ) < 250 )
1050 // Fast forward - seeking is inefficient for small distances - just ignore following frames
1051 *ignore = ( int )( ( position - self->video_expected ) / mlt_producer_get_fps( producer ) * source_fps );
1052 codec_context->skip_loop_filter = AVDISCARD_NONREF;
1054 else if ( self->seekable && ( position < self->video_expected || position - self->video_expected >= 12 || self->last_position < 0 ) )
1056 if ( use_new_seek && self->last_position == POSITION_INITIAL )
1058 // find first key frame
1063 while ( ret >= 0 && toscan-- > 0 )
1065 ret = av_read_frame( context, &pkt );
1066 if ( ret >= 0 && ( pkt.flags & PKT_FLAG_KEY ) && pkt.stream_index == self->video_index )
1068 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) );
1069 self->first_pts = pkt.pts;
1072 av_free_packet( &pkt );
1075 av_seek_frame( context, -1, 0, AVSEEK_FLAG_BACKWARD );
1078 // Calculate the timestamp for the requested frame
1082 timestamp = ( req_position - 0.1 / source_fps ) /
1083 ( av_q2d( stream->time_base ) * source_fps );
1084 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "pos %"PRId64" pts %"PRId64"\n", req_position, timestamp );
1085 if ( self->first_pts > 0 )
1086 timestamp += self->first_pts;
1087 else if ( context->start_time != AV_NOPTS_VALUE )
1088 timestamp += context->start_time;
1092 timestamp = ( int64_t )( ( double )req_position / source_fps * AV_TIME_BASE + 0.5 );
1093 if ( context->start_time != AV_NOPTS_VALUE )
1094 timestamp += context->start_time;
1097 timestamp -= AV_TIME_BASE;
1098 if ( timestamp < 0 )
1100 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "seeking timestamp %"PRId64" position %d expected %d last_pos %"PRId64"\n",
1101 timestamp, position, self->video_expected, self->last_position );
1103 // Seek to the timestamp
1106 codec_context->skip_loop_filter = AVDISCARD_NONREF;
1107 av_seek_frame( context, self->video_index, timestamp, AVSEEK_FLAG_BACKWARD );
1109 else if ( req_position > 0 || self->last_position <= 0 )
1111 av_seek_frame( context, -1, timestamp, AVSEEK_FLAG_BACKWARD );
1115 // Re-open video stream when rewinding to beginning from somewhere else.
1116 // This is rather ugly, and I prefer not to do it this way, but ffmpeg is
1117 // not reliably seeking to the first frame across formats.
1118 reopen_video( self, producer );
1121 // Remove the cached info relating to the previous position
1122 self->current_position = POSITION_INVALID;
1123 self->last_position = POSITION_INVALID;
1124 av_freep( &self->av_frame );
1128 // flush any pictures still in decode buffer
1129 avcodec_flush_buffers( codec_context );
1136 /** Convert a frame position to a time code.
1139 static double producer_time_of_frame( mlt_producer producer, mlt_position position )
1141 return ( double )position / mlt_producer_get_fps( producer );
1144 // Collect information about all audio streams
1146 static void get_audio_streams_info( producer_avformat self )
1148 // Fetch the audio format context
1149 AVFormatContext *context = self->audio_format;
1153 i < context->nb_streams;
1156 if ( context->streams[i]->codec->codec_type == CODEC_TYPE_AUDIO )
1158 AVCodecContext *codec_context = context->streams[i]->codec;
1159 AVCodec *codec = avcodec_find_decoder( codec_context->codec_id );
1161 // If we don't have a codec and we can't initialise it, we can't do much more...
1162 pthread_mutex_lock( &self->open_mutex );
1163 #if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
1164 if ( codec && avcodec_open2( codec_context, codec, NULL ) >= 0 )
1166 if ( codec && avcodec_open( codec_context, codec ) >= 0 )
1169 self->audio_streams++;
1170 self->audio_max_stream = i;
1171 self->total_channels += codec_context->channels;
1172 if ( codec_context->channels > self->max_channel )
1173 self->max_channel = codec_context->channels;
1174 if ( codec_context->sample_rate > self->max_frequency )
1175 self->max_frequency = codec_context->sample_rate;
1176 avcodec_close( codec_context );
1178 pthread_mutex_unlock( &self->open_mutex );
1181 mlt_log_verbose( NULL, "[producer avformat] audio: total_streams %d max_stream %d total_channels %d max_channels %d\n",
1182 self->audio_streams, self->audio_max_stream, self->total_channels, self->max_channel );
1184 // Other audio-specific initializations
1185 self->resample_factor = 1.0;
1188 static void set_luma_transfer( struct SwsContext *context, int colorspace, int use_full_range )
1190 #if defined(SWSCALE) && (LIBSWSCALE_VERSION_INT >= ((0<<16)+(7<<8)+2))
1192 const int *new_coefficients;
1194 int brightness, contrast, saturation;
1196 if ( sws_getColorspaceDetails( context, &coefficients, &full_range, &coefficients, &full_range,
1197 &brightness, &contrast, &saturation ) != -1 )
1199 // Don't change these from defaults unless explicitly told to.
1200 if ( use_full_range >= 0 )
1201 full_range = use_full_range;
1202 switch ( colorspace )
1208 new_coefficients = sws_getCoefficients( SWS_CS_ITU601 );
1211 new_coefficients = sws_getCoefficients( SWS_CS_SMPTE240M );
1214 new_coefficients = sws_getCoefficients( SWS_CS_ITU709 );
1217 new_coefficients = coefficients;
1220 sws_setColorspaceDetails( context, new_coefficients, full_range, new_coefficients, full_range,
1221 brightness, contrast, saturation );
1226 static mlt_image_format pick_format( enum PixelFormat pix_fmt )
1234 return mlt_image_rgb24a;
1235 case PIX_FMT_YUV420P:
1236 case PIX_FMT_YUVJ420P:
1237 case PIX_FMT_YUVA420P:
1238 return mlt_image_yuv420p;
1242 case PIX_FMT_MONOWHITE:
1243 case PIX_FMT_MONOBLACK:
1246 return mlt_image_rgb24;
1248 return mlt_image_yuv422;
1252 static void convert_image( AVFrame *frame, uint8_t *buffer, int pix_fmt,
1253 mlt_image_format *format, int width, int height, int colorspace, uint8_t **alpha )
1256 int full_range = -1;
1257 int flags = SWS_BICUBIC | SWS_ACCURATE_RND;
1260 flags |= SWS_CPU_CAPS_MMX;
1263 flags |= SWS_CPU_CAPS_MMX2;
1266 // extract alpha from planar formats
1267 if ( ( pix_fmt == PIX_FMT_YUVA420P
1268 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(35<<8)+0)
1269 || pix_fmt == PIX_FMT_YUVA444P
1272 *format != mlt_image_rgb24a && *format != mlt_image_opengl &&
1273 frame->data[3] && frame->linesize[3] )
1278 dst = *alpha = mlt_pool_alloc( width * height );
1279 src = frame->data[3];
1281 for ( i = 0; i < height; dst += width, src += frame->linesize[3], i++ )
1282 memcpy( dst, src, FFMIN( width, frame->linesize[3] ) );
1285 if ( *format == mlt_image_yuv420p )
1287 struct SwsContext *context = sws_getContext( width, height, pix_fmt,
1288 width, height, PIX_FMT_YUV420P, flags, NULL, NULL, NULL);
1290 output.data[0] = buffer;
1291 output.data[1] = buffer + width * height;
1292 output.data[2] = buffer + ( 5 * width * height ) / 4;
1293 output.linesize[0] = width;
1294 output.linesize[1] = width >> 1;
1295 output.linesize[2] = width >> 1;
1296 set_luma_transfer( context, colorspace, full_range );
1297 sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
1298 output.data, output.linesize);
1299 sws_freeContext( context );
1301 else if ( *format == mlt_image_rgb24 )
1303 struct SwsContext *context = sws_getContext( width, height, pix_fmt,
1304 width, height, PIX_FMT_RGB24, flags | SWS_FULL_CHR_H_INT, NULL, NULL, NULL);
1306 avpicture_fill( &output, buffer, PIX_FMT_RGB24, width, height );
1307 set_luma_transfer( context, colorspace, full_range );
1308 sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
1309 output.data, output.linesize);
1310 sws_freeContext( context );
1312 else if ( *format == mlt_image_rgb24a || *format == mlt_image_opengl )
1314 struct SwsContext *context = sws_getContext( width, height, pix_fmt,
1315 width, height, PIX_FMT_RGBA, flags | SWS_FULL_CHR_H_INT, NULL, NULL, NULL);
1317 avpicture_fill( &output, buffer, PIX_FMT_RGBA, width, height );
1318 set_luma_transfer( context, colorspace, full_range );
1319 sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
1320 output.data, output.linesize);
1321 sws_freeContext( context );
1325 struct SwsContext *context = sws_getContext( width, height, pix_fmt,
1326 width, height, PIX_FMT_YUYV422, flags | SWS_FULL_CHR_H_INP, NULL, NULL, NULL);
1328 avpicture_fill( &output, buffer, PIX_FMT_YUYV422, width, height );
1329 set_luma_transfer( context, colorspace, full_range );
1330 sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
1331 output.data, output.linesize);
1332 sws_freeContext( context );
1335 if ( *format == mlt_image_yuv420p )
1338 pict.data[0] = buffer;
1339 pict.data[1] = buffer + width * height;
1340 pict.data[2] = buffer + ( 5 * width * height ) / 4;
1341 pict.linesize[0] = width;
1342 pict.linesize[1] = width >> 1;
1343 pict.linesize[2] = width >> 1;
1344 img_convert( &pict, PIX_FMT_YUV420P, (AVPicture *)frame, pix_fmt, width, height );
1346 else if ( *format == mlt_image_rgb24 )
1349 avpicture_fill( &output, buffer, PIX_FMT_RGB24, width, height );
1350 img_convert( &output, PIX_FMT_RGB24, (AVPicture *)frame, pix_fmt, width, height );
1352 else if ( format == mlt_image_rgb24a || format == mlt_image_opengl )
1355 avpicture_fill( &output, buffer, PIX_FMT_RGB32, width, height );
1356 img_convert( &output, PIX_FMT_RGB32, (AVPicture *)frame, pix_fmt, width, height );
1361 avpicture_fill( &output, buffer, PIX_FMT_YUYV422, width, height );
1362 img_convert( &output, PIX_FMT_YUYV422, (AVPicture *)frame, pix_fmt, width, height );
1367 /** Allocate the image buffer and set it on the frame.
1370 static int allocate_buffer( mlt_frame frame, AVCodecContext *codec_context, uint8_t **buffer, mlt_image_format *format, int *width, int *height )
1374 if ( codec_context->width == 0 || codec_context->height == 0 )
1376 *width = codec_context->width;
1377 *height = codec_context->height;
1378 size = mlt_image_format_size( *format, *width, *height, NULL );
1379 *buffer = mlt_pool_alloc( size );
1381 mlt_frame_set_image( frame, *buffer, size, mlt_pool_release );
1388 /** Get an image from a frame.
1391 static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
1394 producer_avformat self = mlt_frame_pop_service( frame );
1395 mlt_producer producer = self->parent;
1397 // Get the properties from the frame
1398 mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
1400 // Obtain the frame number of this frame
1401 mlt_position position = mlt_properties_get_position( frame_properties, "avformat_position" );
1403 // Get the producer properties
1404 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
1406 pthread_mutex_lock( &self->video_mutex );
1408 // Fetch the video format context
1409 AVFormatContext *context = self->video_format;
1411 // Get the video stream
1412 AVStream *stream = context->streams[ self->video_index ];
1414 // Get codec context
1415 AVCodecContext *codec_context = stream->codec;
1417 uint8_t *alpha = NULL;
1419 // Get the image cache
1420 if ( ! self->image_cache && ! mlt_properties_get_int( properties, "noimagecache" ) )
1422 self->image_cache = mlt_cache_init();
1423 self->alpha_cache = mlt_cache_init();
1425 if ( self->image_cache )
1427 mlt_cache_item item = mlt_cache_get( self->image_cache, (void*) position );
1428 uint8_t *original = mlt_cache_item_data( item, (int*) format );
1431 // Set the resolution
1432 *width = codec_context->width;
1433 *height = codec_context->height;
1435 // Workaround 1088 encodings missing cropping info.
1436 if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
1440 int size = mlt_image_format_size( *format, *width, *height, NULL );
1443 *buffer = mlt_pool_alloc( size );
1444 mlt_frame_set_image( frame, *buffer, size, mlt_pool_release );
1445 memcpy( *buffer, original, size );
1446 mlt_cache_item_close( item );
1451 mlt_properties_set_data( frame_properties, "avformat.image_cache", item, 0, ( mlt_destructor )mlt_cache_item_close, NULL );
1452 mlt_frame_set_image( frame, *buffer, size, NULL );
1454 self->got_picture = 1;
1457 item = mlt_cache_get( self->alpha_cache, (void*) position );
1458 original = mlt_cache_item_data( item, &size );
1461 alpha = mlt_pool_alloc( size );
1462 memcpy( alpha, original, size );
1463 mlt_cache_item_close( item );
1466 goto exit_get_image;
1475 // Special case ffwd handling
1478 // We may want to use the source fps if available
1479 double source_fps = mlt_properties_get_double( properties, "meta.media.frame_rate_num" ) /
1480 mlt_properties_get_double( properties, "meta.media.frame_rate_den" );
1482 // This is the physical frame position in the source
1483 int64_t req_position = ( int64_t )( position / mlt_producer_get_fps( producer ) * source_fps + 0.5 );
1485 // Determines if we have to decode all frames in a sequence
1486 // Temporary hack to improve intra frame only
1487 int must_decode = !( codec_context->codec && codec_context->codec->name ) || (
1488 strcmp( codec_context->codec->name, "dnxhd" ) &&
1489 strcmp( codec_context->codec->name, "dvvideo" ) &&
1490 strcmp( codec_context->codec->name, "huffyuv" ) &&
1491 strcmp( codec_context->codec->name, "mjpeg" ) &&
1492 strcmp( codec_context->codec->name, "rawvideo" ) );
1494 // Turn on usage of new seek API and PTS for seeking
1495 int use_new_seek = self->seekable &&
1496 codec_context->codec_id == CODEC_ID_H264 && !strcmp( context->iformat->name, "mpegts" );
1497 if ( mlt_properties_get( properties, "new_seek" ) )
1498 use_new_seek = mlt_properties_get_int( properties, "new_seek" );
1499 double delay = mlt_properties_get_double( properties, "video_delay" );
1501 // Seek if necessary
1502 int paused = seek_video( self, position, req_position, must_decode, use_new_seek, &ignore );
1504 // Seek might have reopened the file
1505 context = self->video_format;
1506 stream = context->streams[ self->video_index ];
1507 codec_context = stream->codec;
1508 if ( *format == mlt_image_none ||
1509 codec_context->pix_fmt == PIX_FMT_ARGB ||
1510 codec_context->pix_fmt == PIX_FMT_RGBA ||
1511 codec_context->pix_fmt == PIX_FMT_ABGR ||
1512 codec_context->pix_fmt == PIX_FMT_BGRA )
1513 *format = pick_format( codec_context->pix_fmt );
1515 // Duplicate the last image if necessary
1516 if ( self->av_frame && self->av_frame->linesize[0] && self->got_picture
1518 || self->current_position == req_position
1519 || ( !use_new_seek && self->current_position > req_position ) ) )
1522 if ( ( image_size = allocate_buffer( frame, codec_context, buffer, format, width, height ) ) )
1524 // Workaround 1088 encodings missing cropping info.
1525 if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
1528 if ( self->vdpau && self->vdpau->buffer )
1531 picture.data[0] = self->vdpau->buffer;
1532 picture.data[2] = self->vdpau->buffer + codec_context->width * codec_context->height;
1533 picture.data[1] = self->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
1534 picture.linesize[0] = codec_context->width;
1535 picture.linesize[1] = codec_context->width / 2;
1536 picture.linesize[2] = codec_context->width / 2;
1537 convert_image( (AVFrame*) &picture, *buffer,
1538 PIX_FMT_YUV420P, format, *width, *height, self->colorspace, &alpha );
1542 convert_image( self->av_frame, *buffer, codec_context->pix_fmt,
1543 format, *width, *height, self->colorspace, &alpha );
1546 mlt_frame_get_image( frame, buffer, format, width, height, writable );
1551 int64_t int_position = 0;
1552 int decode_errors = 0;
1553 int got_picture = 0;
1555 av_init_packet( &pkt );
1557 // Construct an AVFrame for YUV422 conversion
1558 if ( !self->av_frame )
1559 self->av_frame = avcodec_alloc_frame( );
1561 while( ret >= 0 && !got_picture )
1564 pthread_mutex_lock( &self->packets_mutex );
1565 if ( mlt_deque_count( self->vpackets ) )
1567 AVPacket *tmp = (AVPacket*) mlt_deque_pop_front( self->vpackets );
1573 ret = av_read_frame( context, &pkt );
1574 if ( ret >= 0 && !self->seekable && pkt.stream_index == self->audio_index )
1576 if ( !av_dup_packet( &pkt ) )
1578 AVPacket *tmp = malloc( sizeof(AVPacket) );
1580 mlt_deque_push_back( self->apackets, tmp );
1584 pthread_mutex_unlock( &self->packets_mutex );
1586 // We only deal with video from the selected video_index
1587 if ( ret >= 0 && pkt.stream_index == self->video_index && pkt.size > 0 )
1589 // Determine time code of the packet
1592 int64_t pts = pkt.pts;
1593 if ( self->first_pts > 0 )
1594 pts -= self->first_pts;
1595 else if ( context->start_time != AV_NOPTS_VALUE )
1596 pts -= context->start_time;
1597 int_position = ( int64_t )( ( av_q2d( stream->time_base ) * pts + delay ) * source_fps + 0.1 );
1598 if ( pkt.pts == AV_NOPTS_VALUE )
1600 self->invalid_pts_counter++;
1601 if ( self->invalid_pts_counter > 20 )
1603 mlt_log_panic( MLT_PRODUCER_SERVICE(producer), "\ainvalid PTS; DISABLING NEW_SEEK!\n" );
1604 mlt_properties_set_int( properties, "new_seek", 0 );
1605 int_position = req_position;
1611 self->invalid_pts_counter = 0;
1613 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "pkt.pts %"PRId64" req_pos %"PRId64" cur_pos %"PRId64" pkt_pos %"PRId64"\n",
1614 pkt.pts, req_position, self->current_position, int_position );
1618 if ( pkt.dts != AV_NOPTS_VALUE )
1620 int_position = ( int64_t )( ( av_q2d( stream->time_base ) * pkt.dts + delay ) * source_fps + 0.5 );
1621 if ( context->start_time != AV_NOPTS_VALUE )
1622 int_position -= ( int64_t )( context->start_time * source_fps / AV_TIME_BASE + 0.5 );
1623 if ( int_position == self->last_position )
1624 int_position = self->last_position + 1;
1626 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "pkt.dts %"PRId64" req_pos %"PRId64" cur_pos %"PRId64" pkt_pos %"PRId64"\n",
1627 pkt.dts, req_position, self->current_position, int_position );
1628 // Make a dumb assumption on streams that contain wild timestamps
1629 if ( abs( req_position - int_position ) > 999 )
1631 int_position = req_position;
1632 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), " WILD TIMESTAMP!" );
1635 self->last_position = int_position;
1638 if ( must_decode || int_position >= req_position )
1643 if ( self->vdpau->decoder == VDP_INVALID_HANDLE )
1645 vdpau_decoder_init( self );
1647 self->vdpau->is_decoded = 0;
1650 codec_context->reordered_opaque = pkt.pts;
1651 if ( int_position >= req_position )
1652 codec_context->skip_loop_filter = AVDISCARD_NONE;
1653 #if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(26<<8)+0))
1654 ret = avcodec_decode_video2( codec_context, self->av_frame, &got_picture, &pkt );
1656 ret = avcodec_decode_video( codec_context, self->av_frame, &got_picture, pkt.data, pkt.size );
1658 // Note: decode may fail at the beginning of MPEGfile (B-frames referencing before first I-frame), so allow a few errors.
1661 if ( ++decode_errors <= 10 )
1674 // Determine time code of the packet
1675 int64_t pts = self->av_frame->reordered_opaque;
1676 if ( self->first_pts > 0 )
1677 pts -= self->first_pts;
1678 else if ( context->start_time != AV_NOPTS_VALUE )
1679 pts -= context->start_time;
1680 int_position = ( int64_t )( av_q2d( stream->time_base) * pts * source_fps + 0.1 );
1681 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "got frame %"PRId64", key %d\n", int_position, self->av_frame->key_frame );
1684 if ( int_position < req_position )
1689 else if ( int_position >= req_position )
1692 codec_context->skip_loop_filter = AVDISCARD_NONE;
1694 else if ( ignore -- )
1699 mlt_log_debug( MLT_PRODUCER_SERVICE(producer), " got_pic %d key %d\n", got_picture, pkt.flags & PKT_FLAG_KEY );
1702 // Now handle the picture if we have one
1705 if ( ( image_size = allocate_buffer( frame, codec_context, buffer, format, width, height ) ) )
1707 // Workaround 1088 encodings missing cropping info.
1708 if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
1713 if ( self->vdpau->is_decoded )
1715 struct vdpau_render_state *render = (struct vdpau_render_state*) self->av_frame->data[0];
1717 uint32_t pitches[3];
1718 VdpYCbCrFormat dest_format = VDP_YCBCR_FORMAT_YV12;
1720 if ( !self->vdpau->buffer )
1721 self->vdpau->buffer = mlt_pool_alloc( codec_context->width * codec_context->height * 3 / 2 );
1722 self->av_frame->data[0] = planes[0] = self->vdpau->buffer;
1723 self->av_frame->data[2] = planes[1] = self->vdpau->buffer + codec_context->width * codec_context->height;
1724 self->av_frame->data[1] = planes[2] = self->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
1725 self->av_frame->linesize[0] = pitches[0] = codec_context->width;
1726 self->av_frame->linesize[1] = pitches[1] = codec_context->width / 2;
1727 self->av_frame->linesize[2] = pitches[2] = codec_context->width / 2;
1729 VdpStatus status = vdp_surface_get_bits( render->surface, dest_format, planes, pitches );
1730 if ( status == VDP_STATUS_OK )
1732 convert_image( self->av_frame, *buffer, PIX_FMT_YUV420P,
1733 format, *width, *height, self->colorspace, &alpha );
1737 mlt_log_error( MLT_PRODUCER_SERVICE(producer), "VDPAU Error: %s\n", vdp_get_error_string( status ) );
1738 image_size = self->vdpau->is_decoded = 0;
1743 mlt_log_error( MLT_PRODUCER_SERVICE(producer), "VDPAU error in VdpDecoderRender\n" );
1744 image_size = got_picture = 0;
1749 convert_image( self->av_frame, *buffer, codec_context->pix_fmt,
1750 format, *width, *height, self->colorspace, &alpha );
1751 self->top_field_first |= self->av_frame->top_field_first;
1752 self->current_position = int_position;
1753 self->got_picture = 1;
1760 if ( self->seekable || pkt.stream_index != self->audio_index )
1761 av_free_packet( &pkt );
1765 if ( self->got_picture && image_size > 0 && self->image_cache )
1767 // Copy buffer to image cache
1768 uint8_t *image = mlt_pool_alloc( image_size );
1769 memcpy( image, *buffer, image_size );
1770 mlt_cache_put( self->image_cache, (void*) position, image, *format, mlt_pool_release );
1773 int alpha_size = (*width) * (*height);
1774 image = mlt_pool_alloc( alpha_size );
1775 memcpy( image, alpha, alpha_size );
1776 mlt_cache_put( self->alpha_cache, (void*) position, image, alpha_size, mlt_pool_release );
1779 // Try to duplicate last image if there was a decoding failure
1780 else if ( !image_size && self->av_frame && self->av_frame->linesize[0] )
1783 if ( ( image_size = allocate_buffer( frame, codec_context, buffer, format, width, height ) ) )
1785 // Workaround 1088 encodings missing cropping info.
1786 if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
1789 if ( self->vdpau && self->vdpau->buffer )
1792 picture.data[0] = self->vdpau->buffer;
1793 picture.data[2] = self->vdpau->buffer + codec_context->width * codec_context->height;
1794 picture.data[1] = self->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
1795 picture.linesize[0] = codec_context->width;
1796 picture.linesize[1] = codec_context->width / 2;
1797 picture.linesize[2] = codec_context->width / 2;
1798 convert_image( (AVFrame*) &picture, *buffer,
1799 PIX_FMT_YUV420P, format, *width, *height, self->colorspace, &alpha );
1803 convert_image( self->av_frame, *buffer, codec_context->pix_fmt,
1804 format, *width, *height, self->colorspace, &alpha );
1805 self->got_picture = 1;
1808 mlt_frame_get_image( frame, buffer, format, width, height, writable );
1811 // Regardless of speed, we expect to get the next frame (cos we ain't too bright)
1812 self->video_expected = position + 1;
1816 pthread_mutex_unlock( &self->video_mutex );
1818 // Set the progressive flag
1819 if ( mlt_properties_get( properties, "force_progressive" ) )
1820 mlt_properties_set_int( frame_properties, "progressive", !!mlt_properties_get_int( properties, "force_progressive" ) );
1821 else if ( self->av_frame )
1822 mlt_properties_set_int( frame_properties, "progressive", !self->av_frame->interlaced_frame );
1824 // Set the field order property for this frame
1825 if ( mlt_properties_get( properties, "force_tff" ) )
1826 mlt_properties_set_int( frame_properties, "top_field_first", !!mlt_properties_get_int( properties, "force_tff" ) );
1828 mlt_properties_set_int( frame_properties, "top_field_first", self->top_field_first );
1830 // Set immutable properties of the selected track's (or overridden) source attributes.
1831 mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
1832 mlt_properties_set_int( properties, "meta.media.top_field_first", self->top_field_first );
1833 mlt_properties_set_int( properties, "meta.media.progressive", mlt_properties_get_int( frame_properties, "progressive" ) );
1834 mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
1838 mlt_frame_set_alpha( frame, alpha, (*width) * (*height), mlt_pool_release );
1840 return !self->got_picture;
1843 /** Process properties as AVOptions and apply to AV context obj
1846 static void apply_properties( void *obj, mlt_properties properties, int flags )
1849 int count = mlt_properties_count( properties );
1850 for ( i = 0; i < count; i++ )
1852 const char *opt_name = mlt_properties_get_name( properties, i );
1853 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(10<<8)+0)
1854 const AVOption *opt = av_opt_find( obj, opt_name, NULL, flags, flags );
1856 const AVOption *opt = av_find_opt( obj, opt_name, NULL, flags, flags );
1858 if ( opt_name && mlt_properties_get( properties, opt_name ) )
1861 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(12<<8)+0)
1862 av_opt_set( obj, opt_name, mlt_properties_get( properties, opt_name), 0 );
1863 #elif LIBAVCODEC_VERSION_INT >= ((52<<16)+(7<<8)+0)
1864 av_set_string3( obj, opt_name, mlt_properties_get( properties, opt_name), 0, NULL );
1865 #elif LIBAVCODEC_VERSION_INT >= ((51<<16)+(59<<8)+0)
1866 av_set_string2( obj, opt_name, mlt_properties_get( properties, opt_name), 0 );
1868 av_set_string( obj, opt_name, mlt_properties_get( properties, opt_name) );
1874 /** Initialize the video codec context.
1877 static int video_codec_init( producer_avformat self, int index, mlt_properties properties )
1879 // Initialise the codec if necessary
1880 if ( !self->video_codec )
1882 // Get the video stream
1883 AVStream *stream = self->video_format->streams[ index ];
1885 // Get codec context
1886 AVCodecContext *codec_context = stream->codec;
1889 AVCodec *codec = avcodec_find_decoder( codec_context->codec_id );
1891 if ( codec_context->codec_id == CODEC_ID_H264 )
1893 if ( ( codec = avcodec_find_decoder_by_name( "h264_vdpau" ) ) )
1895 if ( vdpau_init( self ) )
1897 self->video_codec = codec_context;
1898 if ( !vdpau_decoder_init( self ) )
1903 codec = avcodec_find_decoder( codec_context->codec_id );
1907 // Initialise multi-threading
1908 int thread_count = mlt_properties_get_int( properties, "threads" );
1909 if ( thread_count == 0 && getenv( "MLT_AVFORMAT_THREADS" ) )
1910 thread_count = atoi( getenv( "MLT_AVFORMAT_THREADS" ) );
1911 if ( thread_count > 1 )
1912 codec_context->thread_count = thread_count;
1914 // If we don't have a codec and we can't initialise it, we can't do much more...
1915 pthread_mutex_lock( &self->open_mutex );
1916 #if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
1917 if ( codec && avcodec_open2( codec_context, codec, NULL ) >= 0 )
1919 if ( codec && avcodec_open( codec_context, codec ) >= 0 )
1922 // Now store the codec with its destructor
1923 self->video_codec = codec_context;
1927 // Remember that we can't use this later
1928 self->video_index = -1;
1929 pthread_mutex_unlock( &self->open_mutex );
1932 pthread_mutex_unlock( &self->open_mutex );
1934 // Process properties as AVOptions
1935 apply_properties( codec_context, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
1936 #if LIBAVCODEC_VERSION_INT >= ((52<<16)+(122<<8)+0)
1937 if ( codec->priv_class && codec_context->priv_data )
1938 apply_properties( codec_context->priv_data, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
1941 // Reset some image properties
1942 mlt_properties_set_int( properties, "width", self->video_codec->width );
1943 mlt_properties_set_int( properties, "height", self->video_codec->height );
1944 // For DV, we'll just use the saved aspect ratio
1945 if ( codec_context->codec_id != CODEC_ID_DVVIDEO )
1946 get_aspect_ratio( properties, stream, self->video_codec, NULL );
1948 // Determine the fps first from the codec
1949 double source_fps = (double) self->video_codec->time_base.den /
1950 ( self->video_codec->time_base.num == 0 ? 1 : self->video_codec->time_base.num );
1952 if ( mlt_properties_get( properties, "force_fps" ) )
1954 source_fps = mlt_properties_get_double( properties, "force_fps" );
1955 stream->time_base = av_d2q( source_fps, 1024 );
1956 mlt_properties_set_int( properties, "meta.media.frame_rate_num", stream->time_base.num );
1957 mlt_properties_set_int( properties, "meta.media.frame_rate_den", stream->time_base.den );
1961 // If the muxer reports a frame rate different than the codec
1962 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(42<<8)+0)
1963 double muxer_fps = av_q2d( stream->avg_frame_rate );
1964 if ( isnan( muxer_fps ) || muxer_fps == 0 )
1965 muxer_fps = av_q2d( stream->r_frame_rate );
1967 double muxer_fps = av_q2d( stream->r_frame_rate );
1969 // Choose the lesser - the wrong tends to be off by some multiple of 10
1970 source_fps = FFMIN( source_fps, muxer_fps );
1971 if ( source_fps >= 1.0 && ( source_fps < muxer_fps || isnan( muxer_fps ) ) )
1973 mlt_properties_set_int( properties, "meta.media.frame_rate_num", self->video_codec->time_base.den );
1974 mlt_properties_set_int( properties, "meta.media.frame_rate_den", self->video_codec->time_base.num == 0 ? 1 : self->video_codec->time_base.num );
1976 else if ( muxer_fps > 0 )
1978 AVRational frame_rate = stream->r_frame_rate;
1979 // With my samples when r_frame_rate != 1000 but avg_frame_rate is valid,
1980 // avg_frame_rate gives some approximate value that does not well match the media.
1981 // Also, on my sample where r_frame_rate = 1000, using avg_frame_rate directly
1982 // results in some very choppy output, but some value slightly different works
1984 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(42<<8)+0)
1985 if ( av_q2d( stream->r_frame_rate ) >= 1000 && av_q2d( stream->avg_frame_rate ) > 0 )
1986 frame_rate = av_d2q( av_q2d( stream->avg_frame_rate ), 1024 );
1988 mlt_properties_set_int( properties, "meta.media.frame_rate_num", frame_rate.num );
1989 mlt_properties_set_int( properties, "meta.media.frame_rate_den", frame_rate.den );
1993 source_fps = mlt_producer_get_fps( self->parent );
1994 AVRational frame_rate = av_d2q( source_fps, 255 );
1995 mlt_properties_set_int( properties, "meta.media.frame_rate_num", frame_rate.num );
1996 mlt_properties_set_int( properties, "meta.media.frame_rate_den", frame_rate.den );
2000 // Set the YUV colorspace from override or detect
2001 self->colorspace = mlt_properties_get_int( properties, "force_colorspace" );
2002 #if LIBAVCODEC_VERSION_INT > ((52<<16)+(28<<8)+0)
2003 if ( ! self->colorspace )
2005 switch ( self->video_codec->colorspace )
2007 case AVCOL_SPC_SMPTE240M:
2008 self->colorspace = 240;
2010 case AVCOL_SPC_BT470BG:
2011 case AVCOL_SPC_SMPTE170M:
2012 self->colorspace = 601;
2014 case AVCOL_SPC_BT709:
2015 self->colorspace = 709;
2018 // This is a heuristic Charles Poynton suggests in "Digital Video and HDTV"
2019 self->colorspace = self->video_codec->width * self->video_codec->height > 750000 ? 709 : 601;
2024 // Let apps get chosen colorspace
2025 mlt_properties_set_int( properties, "meta.media.colorspace", self->colorspace );
2027 return self->video_codec && self->video_index > -1;
2030 /** Set up video handling.
2033 static void producer_set_up_video( producer_avformat self, mlt_frame frame )
2036 mlt_producer producer = self->parent;
2038 // Get the properties
2039 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
2041 // Fetch the video format context
2042 AVFormatContext *context = self->video_format;
2044 // Get the video_index
2045 int index = mlt_properties_get_int( properties, "video_index" );
2047 // Reopen the file if necessary
2048 if ( !context && index > -1 )
2050 producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
2051 mlt_properties_get( properties, "resource" ), 1 );
2052 context = self->video_format;
2055 // Exception handling for video_index
2056 if ( context && index >= (int) context->nb_streams )
2058 // Get the last video stream
2059 for ( index = context->nb_streams - 1;
2060 index >= 0 && context->streams[ index ]->codec->codec_type != CODEC_TYPE_VIDEO;
2062 mlt_properties_set_int( properties, "video_index", index );
2064 if ( context && index > -1 && context->streams[ index ]->codec->codec_type != CODEC_TYPE_VIDEO )
2066 // Invalidate the video stream
2068 mlt_properties_set_int( properties, "video_index", index );
2071 // Update the video properties if the index changed
2072 if ( index != self->video_index )
2074 // Reset the video properties if the index changed
2075 self->video_index = index;
2076 pthread_mutex_lock( &self->open_mutex );
2077 if ( self->video_codec )
2078 avcodec_close( self->video_codec );
2079 self->video_codec = NULL;
2080 pthread_mutex_unlock( &self->open_mutex );
2083 // Get the frame properties
2084 mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
2087 if ( context && index > -1 && video_codec_init( self, index, properties ) )
2089 // Set the frame properties
2090 double force_aspect_ratio = mlt_properties_get_double( properties, "force_aspect_ratio" );
2091 double aspect_ratio = ( force_aspect_ratio > 0.0 ) ?
2092 force_aspect_ratio : mlt_properties_get_double( properties, "aspect_ratio" );
2094 // Set the width and height
2095 mlt_properties_set_int( frame_properties, "width", self->video_codec->width );
2096 mlt_properties_set_int( frame_properties, "height", self->video_codec->height );
2097 mlt_properties_set_int( properties, "meta.media.width", self->video_codec->width );
2098 mlt_properties_set_int( properties, "meta.media.height", self->video_codec->height );
2099 mlt_properties_set_double( frame_properties, "aspect_ratio", aspect_ratio );
2100 mlt_properties_set_int( frame_properties, "colorspace", self->colorspace );
2102 // Workaround 1088 encodings missing cropping info.
2103 if ( self->video_codec->height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
2105 mlt_properties_set_int( properties, "meta.media.height", 1080 );
2108 // Add our image operation
2109 mlt_frame_push_service( frame, self );
2110 mlt_frame_push_get_image( frame, producer_get_image );
2114 // If something failed, use test card image
2115 mlt_properties_set_int( frame_properties, "test_image", 1 );
2119 static int seek_audio( producer_avformat self, mlt_position position, double timecode, int *ignore )
2123 // Seek if necessary
2124 if ( self->seekable && position != self->audio_expected )
2126 if ( position + 1 == self->audio_expected )
2128 // We're paused - silence required
2131 else if ( !self->seekable && position > self->audio_expected && ( position - self->audio_expected ) < 250 )
2133 // Fast forward - seeking is inefficient for small distances - just ignore following frames
2134 *ignore = position - self->audio_expected;
2136 else if ( position < self->audio_expected || position - self->audio_expected >= 12 )
2138 AVFormatContext *context = self->audio_format;
2139 int64_t timestamp = ( int64_t )( timecode * AV_TIME_BASE + 0.5 );
2140 if ( context->start_time != AV_NOPTS_VALUE )
2141 timestamp += context->start_time;
2142 if ( timestamp < 0 )
2145 // Set to the real timecode
2146 if ( av_seek_frame( context, -1, timestamp, AVSEEK_FLAG_BACKWARD ) != 0 )
2149 // Clear the usage in the audio buffer
2150 int i = MAX_AUDIO_STREAMS + 1;
2152 self->audio_used[i - 1] = 0;
2158 static int sample_bytes( AVCodecContext *context )
2160 #if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
2161 return av_get_bytes_per_sample( context->sample_fmt );
2162 #elif LIBAVCODEC_VERSION_MAJOR >= 53
2163 return av_get_bits_per_sample_fmt( context->sample_fmt ) / 8;
2165 return av_get_bits_per_sample_format( context->sample_fmt ) / 8;
2169 static int decode_audio( producer_avformat self, int *ignore, AVPacket pkt, int channels, int samples, double timecode, double fps )
2171 // Fetch the audio_format
2172 AVFormatContext *context = self->audio_format;
2174 // Get the current stream index
2175 int index = pkt.stream_index;
2177 // Get codec context
2178 AVCodecContext *codec_context = self->audio_codec[ index ];
2180 // Obtain the resample context if it exists (not always needed)
2181 ReSampleContext *resample = self->audio_resample[ index ];
2183 // Obtain the audio buffers
2184 uint8_t *audio_buffer = self->audio_buffer[ index ];
2185 uint8_t *decode_buffer = self->decode_buffer[ index ];
2187 int audio_used = self->audio_used[ index ];
2188 uint8_t *ptr = pkt.data;
2192 while ( ptr && ret >= 0 && len > 0 )
2194 int sizeof_sample = resample? sizeof( int16_t ) : sample_bytes( codec_context );
2195 int data_size = self->audio_buffer_size[ index ];
2198 #if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(26<<8)+0))
2199 ret = avcodec_decode_audio3( codec_context, (int16_t*) decode_buffer, &data_size, &pkt );
2200 #elif (LIBAVCODEC_VERSION_INT >= ((51<<16)+(29<<8)+0))
2201 ret = avcodec_decode_audio2( codec_context, decode_buffer, &data_size, ptr, len );
2203 ret = avcodec_decode_audio( codec_context, decode_buffer, &data_size, ptr, len );
2207 mlt_log_warning( MLT_PRODUCER_SERVICE(self->parent), "audio decoding error %d\n", ret );
2211 pkt.size = len -= ret;
2212 pkt.data = ptr += ret;
2214 // If decoded successfully
2215 if ( data_size > 0 )
2217 // Figure out how many samples will be needed after resampling
2218 int convert_samples = data_size / codec_context->channels / sample_bytes( codec_context );
2219 int samples_needed = self->resample_factor * convert_samples;
2221 // Resize audio buffer to prevent overflow
2222 if ( ( audio_used + samples_needed ) * channels * sizeof_sample > self->audio_buffer_size[ index ] )
2224 self->audio_buffer_size[ index ] = ( audio_used + samples_needed * 2 ) * channels * sizeof_sample;
2225 audio_buffer = self->audio_buffer[ index ] = mlt_pool_realloc( audio_buffer, self->audio_buffer_size[ index ] );
2229 // Copy to audio buffer while resampling
2230 uint8_t *source = decode_buffer;
2231 uint8_t *dest = &audio_buffer[ audio_used * channels * sizeof_sample ];
2232 audio_used += audio_resample( resample, (short*) dest, (short*) source, convert_samples );
2236 // Straight copy to audio buffer
2237 memcpy( &audio_buffer[ audio_used * codec_context->channels * sizeof_sample ], decode_buffer, data_size );
2238 audio_used += convert_samples;
2242 while ( *ignore && audio_used )
2245 audio_used -= audio_used > samples ? samples : audio_used;
2246 memmove( audio_buffer, &audio_buffer[ samples * (resample? channels : codec_context->channels) * sizeof_sample ],
2247 audio_used * sizeof_sample );
2252 // If we're behind, ignore this packet
2253 // Skip this on non-seekable, audio-only inputs.
2254 if ( pkt.pts >= 0 && ( self->seekable || self->video_format ) && *ignore == 0 && audio_used > samples / 2 )
2256 double current_pts = av_q2d( context->streams[ index ]->time_base ) * pkt.pts;
2257 int64_t req_position = ( int64_t )( timecode * fps + 0.5 );
2258 int64_t int_position = ( int64_t )( current_pts * fps + 0.5 );
2259 if ( context->start_time != AV_NOPTS_VALUE )
2260 int_position -= ( int64_t )( fps * context->start_time / AV_TIME_BASE + 0.5 );
2262 if ( int_position > 0 )
2264 if ( int_position < req_position )
2265 // We are behind, so skip some
2266 *ignore = req_position - int_position;
2267 else if ( self->audio_index != INT_MAX && int_position > req_position + 2 )
2268 // We are ahead, so seek backwards some more
2269 seek_audio( self, req_position, timecode - 1.0, ignore );
2273 self->audio_used[ index ] = audio_used;
2278 /** Get the audio from a frame.
2280 static int producer_get_audio( mlt_frame frame, void **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples )
2283 producer_avformat self = mlt_frame_pop_audio( frame );
2285 pthread_mutex_lock( &self->audio_mutex );
2287 // Obtain the frame number of this frame
2288 mlt_position position = mlt_properties_get_position( MLT_FRAME_PROPERTIES( frame ), "avformat_position" );
2290 // Calculate the real time code
2291 double real_timecode = producer_time_of_frame( self->parent, position );
2293 // Get the producer fps
2294 double fps = mlt_producer_get_fps( self->parent );
2296 // Number of frames to ignore (for ffwd)
2297 int ignore[ MAX_AUDIO_STREAMS ] = { 0 };
2299 // Flag for paused (silence)
2300 int paused = seek_audio( self, position, real_timecode, &ignore[0] );
2302 // Initialize ignore for all streams from the seek return value
2303 int i = MAX_AUDIO_STREAMS;
2305 ignore[i] = ignore[0];
2307 // Fetch the audio_format
2308 AVFormatContext *context = self->audio_format;
2310 int sizeof_sample = sizeof( int16_t );
2312 // Determine the tracks to use
2313 int index = self->audio_index;
2314 int index_max = self->audio_index + 1;
2315 if ( self->audio_index == INT_MAX )
2318 index_max = context->nb_streams;
2319 *channels = self->total_channels;
2320 *samples = *samples * FFMAX( self->max_frequency, *frequency ) / *frequency;
2321 *frequency = FFMAX( self->max_frequency, *frequency );
2324 // Initialize the resamplers and buffers
2325 for ( ; index < index_max; index++ )
2327 // Get codec context
2328 AVCodecContext *codec_context = self->audio_codec[ index ];
2330 if ( codec_context && !self->audio_buffer[ index ] )
2332 // Check for resample and create if necessary
2333 if ( codec_context->channels <= 2 )
2335 // Determine by how much resampling will increase number of samples
2336 double resample_factor = self->audio_index == INT_MAX ? 1 : (double) *channels / codec_context->channels;
2337 resample_factor *= (double) *frequency / codec_context->sample_rate;
2338 if ( resample_factor > self->resample_factor )
2339 self->resample_factor = resample_factor;
2341 // Create the resampler
2342 #if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(15<<8)+0))
2343 self->audio_resample[ index ] = av_audio_resample_init(
2344 self->audio_index == INT_MAX ? codec_context->channels : *channels,
2345 codec_context->channels, *frequency, codec_context->sample_rate,
2346 AV_SAMPLE_FMT_S16, codec_context->sample_fmt, 16, 10, 0, 0.8 );
2348 self->audio_resample[ index ] = audio_resample_init(
2349 self->audio_index == INT_MAX ? codec_context->channels : *channels,
2350 codec_context->channels, *frequency, codec_context->sample_rate );
2355 codec_context->request_channels = self->audio_index == INT_MAX ? codec_context->channels : *channels;
2356 sizeof_sample = sample_bytes( codec_context );
2359 // Check for audio buffer and create if necessary
2360 self->audio_buffer_size[ index ] = AVCODEC_MAX_AUDIO_FRAME_SIZE * sizeof_sample;
2361 self->audio_buffer[ index ] = mlt_pool_alloc( self->audio_buffer_size[ index ] );
2363 // Check for decoder buffer and create if necessary
2364 self->decode_buffer[ index ] = av_malloc( self->audio_buffer_size[ index ] );
2368 // Get the audio if required
2375 av_init_packet( &pkt );
2377 // If not resampling, give consumer more than requested.
2378 // It requested number samples based on requested frame rate.
2379 // Do not clean this up with a samples *= ...!
2380 if ( self->audio_index != INT_MAX && ! self->audio_resample[ self->audio_index ] )
2381 *samples = *samples * self->audio_codec[ self->audio_index ]->sample_rate / *frequency;
2383 while ( ret >= 0 && !got_audio )
2385 // Check if the buffer already contains the samples required
2386 if ( self->audio_index != INT_MAX &&
2387 self->audio_used[ self->audio_index ] >= *samples &&
2388 ignore[ self->audio_index ] == 0 )
2393 else if ( self->audio_index == INT_MAX )
2395 // Check if there is enough audio for all streams
2397 for ( index = 0; got_audio && index < context->nb_streams; index++ )
2398 if ( ( self->audio_codec[ index ] && self->audio_used[ index ] < *samples ) || ignore[ index ] )
2405 pthread_mutex_lock( &self->packets_mutex );
2406 if ( mlt_deque_count( self->apackets ) )
2408 AVPacket *tmp = (AVPacket*) mlt_deque_pop_front( self->apackets );
2414 ret = av_read_frame( context, &pkt );
2415 if ( ret >= 0 && !self->seekable && pkt.stream_index == self->video_index )
2417 if ( !av_dup_packet( &pkt ) )
2419 AVPacket *tmp = malloc( sizeof(AVPacket) );
2421 mlt_deque_push_back( self->vpackets, tmp );
2425 pthread_mutex_unlock( &self->packets_mutex );
2427 // We only deal with audio from the selected audio index
2428 index = pkt.stream_index;
2429 if ( ret >= 0 && pkt.data && pkt.size > 0 && ( index == self->audio_index ||
2430 ( self->audio_index == INT_MAX && context->streams[ index ]->codec->codec_type == CODEC_TYPE_AUDIO ) ) )
2432 int channels2 = ( self->audio_index == INT_MAX || !self->audio_resample[index] ) ?
2433 self->audio_codec[index]->channels : *channels;
2434 ret = decode_audio( self, &ignore[index], pkt, channels2, *samples, real_timecode, fps );
2437 if ( self->seekable || index != self->video_index )
2438 av_free_packet( &pkt );
2442 // Set some additional return values
2443 *format = mlt_audio_s16;
2444 if ( self->audio_index != INT_MAX && !self->audio_resample[ self->audio_index ] )
2446 index = self->audio_index;
2447 *channels = self->audio_codec[ index ]->channels;
2448 *frequency = self->audio_codec[ index ]->sample_rate;
2449 *format = self->audio_codec[ index ]->sample_fmt == AV_SAMPLE_FMT_S32 ? mlt_audio_s32le
2450 : self->audio_codec[ index ]->sample_fmt == AV_SAMPLE_FMT_FLT ? mlt_audio_f32le
2452 sizeof_sample = sample_bytes( self->audio_codec[ index ] );
2454 else if ( self->audio_index == INT_MAX )
2456 // This only works if all audio tracks have the same sample format.
2457 for ( index = 0; index < index_max; index++ )
2458 if ( self->audio_codec[ index ] && !self->audio_resample[ index ] )
2460 *format = self->audio_codec[ index ]->sample_fmt == AV_SAMPLE_FMT_S32 ? mlt_audio_s32le
2461 : self->audio_codec[ index ]->sample_fmt == AV_SAMPLE_FMT_FLT ? mlt_audio_f32le
2463 sizeof_sample = sample_bytes( self->audio_codec[ index ] );
2468 // Allocate and set the frame's audio buffer
2469 int size = mlt_audio_format_size( *format, *samples, *channels );
2470 *buffer = mlt_pool_alloc( size );
2471 mlt_frame_set_audio( frame, *buffer, *format, size, mlt_pool_release );
2473 // Interleave tracks if audio_index=all
2474 if ( self->audio_index == INT_MAX )
2476 uint8_t *dest = *buffer;
2478 for ( i = 0; i < *samples; i++ )
2480 for ( index = 0; index < index_max; index++ )
2481 if ( self->audio_codec[ index ] )
2483 int current_channels = self->audio_codec[ index ]->channels;
2484 uint8_t *src = self->audio_buffer[ index ] + i * current_channels * sizeof_sample;
2485 memcpy( dest, src, current_channels * sizeof_sample );
2486 dest += current_channels * sizeof_sample;
2489 for ( index = 0; index < index_max; index++ )
2490 if ( self->audio_codec[ index ] && self->audio_used[ index ] >= *samples )
2492 int current_channels = self->audio_codec[ index ]->channels;
2493 uint8_t *src = self->audio_buffer[ index ] + *samples * current_channels * sizeof_sample;
2494 self->audio_used[index] -= *samples;
2495 memmove( self->audio_buffer[ index ], src, self->audio_used[ index ] * current_channels * sizeof_sample );
2498 // Copy a single track to the output buffer
2501 index = self->audio_index;
2503 // Now handle the audio if we have enough
2504 if ( self->audio_used[ index ] > 0 )
2506 uint8_t *src = self->audio_buffer[ index ];
2507 // copy samples from audio_buffer
2508 size = self->audio_used[ index ] < *samples ? self->audio_used[ index ] : *samples;
2509 memcpy( *buffer, src, size * *channels * sizeof_sample );
2510 // supply the remaining requested samples as silence
2511 if ( *samples > self->audio_used[ index ] )
2512 memset( *buffer + size * *channels * sizeof_sample, 0, ( *samples - self->audio_used[ index ] ) * *channels * sizeof_sample );
2513 // reposition the samples within audio_buffer
2514 self->audio_used[ index ] -= size;
2515 memmove( src, src + size * *channels * sizeof_sample, self->audio_used[ index ] * *channels * sizeof_sample );
2519 // Otherwise fill with silence
2520 memset( *buffer, 0, *samples * *channels * sizeof_sample );
2526 // Get silence and don't touch the context
2527 mlt_frame_get_audio( frame, buffer, format, frequency, channels, samples );
2530 // Regardless of speed (other than paused), we expect to get the next frame
2532 self->audio_expected = position + 1;
2534 pthread_mutex_unlock( &self->audio_mutex );
2539 /** Initialize the audio codec context.
2542 static int audio_codec_init( producer_avformat self, int index, mlt_properties properties )
2544 // Initialise the codec if necessary
2545 if ( !self->audio_codec[ index ] )
2547 // Get codec context
2548 AVCodecContext *codec_context = self->audio_format->streams[index]->codec;
2551 AVCodec *codec = avcodec_find_decoder( codec_context->codec_id );
2553 // If we don't have a codec and we can't initialise it, we can't do much more...
2554 pthread_mutex_lock( &self->open_mutex );
2555 #if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
2556 if ( codec && avcodec_open2( codec_context, codec, NULL ) >= 0 )
2558 if ( codec && avcodec_open( codec_context, codec ) >= 0 )
2561 // Now store the codec with its destructor
2562 if ( self->audio_codec[ index ] )
2563 avcodec_close( self->audio_codec[ index ] );
2564 self->audio_codec[ index ] = codec_context;
2568 // Remember that we can't use self later
2569 self->audio_index = -1;
2571 pthread_mutex_unlock( &self->open_mutex );
2573 // Process properties as AVOptions
2574 apply_properties( codec_context, properties, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
2575 #if LIBAVCODEC_VERSION_INT >= ((52<<16)+(122<<8)+0)
2576 if ( codec && codec->priv_class && codec_context->priv_data )
2577 apply_properties( codec_context->priv_data, properties, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
2580 return self->audio_codec[ index ] && self->audio_index > -1;
2583 /** Set up audio handling.
2586 static void producer_set_up_audio( producer_avformat self, mlt_frame frame )
2589 mlt_producer producer = self->parent;
2591 // Get the properties
2592 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
2594 // Fetch the audio format context
2595 AVFormatContext *context = self->audio_format;
2597 mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
2599 // Get the audio_index
2600 int index = mlt_properties_get_int( properties, "audio_index" );
2602 // Handle all audio tracks
2603 if ( self->audio_index > -1 &&
2604 mlt_properties_get( properties, "audio_index" ) &&
2605 !strcmp( mlt_properties_get( properties, "audio_index" ), "all" ) )
2608 // Reopen the file if necessary
2609 if ( !context && self->audio_index > -1 && index > -1 )
2611 producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
2612 mlt_properties_get( properties, "resource" ), 1 );
2613 context = self->audio_format;
2616 // Exception handling for audio_index
2617 if ( context && index >= (int) context->nb_streams && index < INT_MAX )
2619 for ( index = context->nb_streams - 1;
2620 index >= 0 && context->streams[ index ]->codec->codec_type != CODEC_TYPE_AUDIO;
2622 mlt_properties_set_int( properties, "audio_index", index );
2624 if ( context && index > -1 && index < INT_MAX &&
2625 context->streams[ index ]->codec->codec_type != CODEC_TYPE_AUDIO )
2627 index = self->audio_index;
2628 mlt_properties_set_int( properties, "audio_index", index );
2631 // Update the audio properties if the index changed
2632 if ( context && index > -1 && index != self->audio_index )
2634 pthread_mutex_lock( &self->open_mutex );
2635 if ( self->audio_codec[ self->audio_index ] )
2636 avcodec_close( self->audio_codec[ self->audio_index ] );
2637 self->audio_codec[ self->audio_index ] = NULL;
2638 pthread_mutex_unlock( &self->open_mutex );
2640 if ( self->audio_index != -1 )
2641 self->audio_index = index;
2646 if ( context && index == INT_MAX )
2648 mlt_properties_set_int( frame_properties, "audio_frequency", self->max_frequency );
2649 mlt_properties_set_int( frame_properties, "audio_channels", self->total_channels );
2650 for ( index = 0; index < context->nb_streams; index++ )
2652 if ( context->streams[ index ]->codec->codec_type == CODEC_TYPE_AUDIO )
2653 audio_codec_init( self, index, properties );
2656 else if ( context && index > -1 && audio_codec_init( self, index, properties ) )
2658 // Set the frame properties
2659 if ( index < INT_MAX )
2661 mlt_properties_set_int( frame_properties, "frequency", self->audio_codec[ index ]->sample_rate );
2662 mlt_properties_set_int( frame_properties, "channels", self->audio_codec[ index ]->channels );
2665 if ( context && index > -1 )
2667 // Add our audio operation
2668 mlt_frame_push_audio( frame, self );
2669 mlt_frame_push_audio( frame, producer_get_audio );
2673 /** Our get frame implementation.
2676 static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index )
2678 // Access the private data
2679 mlt_service service = MLT_PRODUCER_SERVICE( producer );
2680 mlt_cache_item cache_item = mlt_service_cache_get( service, "producer_avformat" );
2681 producer_avformat self = mlt_cache_item_data( cache_item, NULL );
2686 self = calloc( 1, sizeof( struct producer_avformat_s ) );
2687 producer->child = self;
2688 self->parent = producer;
2689 mlt_service_cache_put( service, "producer_avformat", self, 0, (mlt_destructor) producer_avformat_close );
2690 cache_item = mlt_service_cache_get( service, "producer_avformat" );
2693 // Create an empty frame
2694 *frame = mlt_frame_init( service);
2698 mlt_properties_set_data( MLT_FRAME_PROPERTIES(*frame), "avformat_cache", cache_item, 0, (mlt_destructor) mlt_cache_item_close, NULL );
2702 mlt_cache_item_close( cache_item );
2706 // Update timecode on the frame we're creating
2707 mlt_frame_set_position( *frame, mlt_producer_position( producer ) );
2710 producer_set_up_video( self, *frame );
2713 producer_set_up_audio( self, *frame );
2715 // Set the position of this producer
2716 mlt_position position = self->seekable ? mlt_producer_frame( producer ) : self->nonseek_position++;
2717 mlt_properties_set_position( MLT_FRAME_PROPERTIES( *frame ), "avformat_position", position );
2719 // Calculate the next timecode
2720 mlt_producer_prepare_next( producer );
2725 static void producer_avformat_close( producer_avformat self )
2727 mlt_log_debug( NULL, "producer_avformat_close\n" );
2729 // Cleanup av contexts
2730 av_free( self->av_frame );
2731 pthread_mutex_lock( &self->open_mutex );
2733 for ( i = 0; i < MAX_AUDIO_STREAMS; i++ )
2735 if ( self->audio_resample[i] )
2736 audio_resample_close( self->audio_resample[i] );
2737 mlt_pool_release( self->audio_buffer[i] );
2738 av_free( self->decode_buffer[i] );
2739 if ( self->audio_codec[i] )
2740 avcodec_close( self->audio_codec[i] );
2741 self->audio_codec[i] = NULL;
2743 if ( self->video_codec )
2744 avcodec_close( self->video_codec );
2745 self->video_codec = NULL;
2747 #if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
2748 if ( self->dummy_context )
2749 avformat_close_input( &self->dummy_context );
2750 if ( self->seekable && self->audio_format )
2751 avformat_close_input( &self->audio_format );
2752 if ( self->video_format )
2753 avformat_close_input( &self->video_format );
2755 if ( self->dummy_context )
2756 av_close_input_file( self->dummy_context );
2757 if ( self->seekable && self->audio_format )
2758 av_close_input_file( self->audio_format );
2759 if ( self->video_format )
2760 av_close_input_file( self->video_format );
2762 pthread_mutex_unlock( &self->open_mutex );
2764 vdpau_producer_close( self );
2766 if ( self->image_cache )
2767 mlt_cache_close( self->image_cache );
2768 if ( self->alpha_cache )
2769 mlt_cache_close( self->alpha_cache );
2771 // Cleanup the mutexes
2772 pthread_mutex_destroy( &self->audio_mutex );
2773 pthread_mutex_destroy( &self->video_mutex );
2774 pthread_mutex_destroy( &self->packets_mutex );
2775 pthread_mutex_destroy( &self->open_mutex );
2777 // Cleanup the packet queues
2779 if ( self->apackets )
2781 while ( ( pkt = mlt_deque_pop_back( self->apackets ) ) )
2783 av_free_packet( pkt );
2786 mlt_deque_close( self->apackets );
2787 self->apackets = NULL;
2789 if ( self->vpackets )
2791 while ( ( pkt = mlt_deque_pop_back( self->vpackets ) ) )
2793 av_free_packet( pkt );
2796 mlt_deque_close( self->vpackets );
2797 self->vpackets = NULL;
2803 static void producer_close( mlt_producer parent )
2805 // Remove this instance from the cache
2806 mlt_service_cache_purge( MLT_PRODUCER_SERVICE(parent) );
2809 parent->close = NULL;
2810 mlt_producer_close( parent );