/*
* producer_avformat.c -- avformat producer
- * Copyright (C) 2003-2009 Ushodaya Enterprises Limited
+ * Copyright (C) 2003-2012 Ushodaya Enterprises Limited
* Author: Charles Yates <charles.yates@pandora.be>
* Author: Dan Dennedy <dan@dennedy.org>
* Much code borrowed from ffmpeg.c: Copyright (c) 2000-2003 Fabrice Bellard
#include <framework/mlt_cache.h>
// ffmpeg Header files
-#include <avformat.h>
-#include <opt.h>
-#ifdef SWSCALE
-# include <swscale.h>
-#endif
-#if (LIBAVCODEC_VERSION_INT >= ((51<<16)+(71<<8)+0))
-# include "audioconvert.h"
-#endif
+#include <libavformat/avformat.h>
+#include <libswscale/swscale.h>
+#include <libavutil/samplefmt.h>
+#include <libavutil/pixdesc.h>
+
#ifdef VDPAU
-#include <vdpau.h>
+# include <libavcodec/vdpau.h>
+#endif
+#if (LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0))
+# include <libavutil/dict.h>
#endif
// System header files
#include <pthread.h>
#include <limits.h>
-#if LIBAVUTIL_VERSION_INT < (50<<16)
-#define PIX_FMT_RGB32 PIX_FMT_RGBA32
-#define PIX_FMT_YUYV422 PIX_FMT_YUV422
+#if LIBAVCODEC_VERSION_MAJOR >= 53
+#include <libavutil/opt.h>
+#define CODEC_TYPE_VIDEO AVMEDIA_TYPE_VIDEO
+#define CODEC_TYPE_AUDIO AVMEDIA_TYPE_AUDIO
+#define PKT_FLAG_KEY AV_PKT_FLAG_KEY
+#else
+#include <libavcodec/opt.h>
+#endif
+
+#if LIBAVCODEC_VERSION_MAJOR < 55
+#define AV_CODEC_ID_DVVIDEO CODEC_ID_DVVIDEO
+#define AV_CODEC_ID_H264 CODEC_ID_H264
#endif
#define POSITION_INITIAL (-2)
#define POSITION_INVALID (-1)
-#define MAX_AUDIO_STREAMS (10)
+#define MAX_AUDIO_STREAMS (32)
#define MAX_VDPAU_SURFACES (10)
-
-void avformat_lock( );
-void avformat_unlock( );
+#define MAX_AUDIO_FRAME_SIZE (192000) // 1 second of 48khz 32bit audio
struct producer_avformat_s
{
AVFormatContext *video_format;
AVCodecContext *audio_codec[ MAX_AUDIO_STREAMS ];
AVCodecContext *video_codec;
- AVFrame *av_frame;
- ReSampleContext *audio_resample[ MAX_AUDIO_STREAMS ];
+ AVFrame *video_frame;
+ AVFrame *audio_frame;
+ AVPacket pkt;
mlt_position audio_expected;
mlt_position video_expected;
int audio_index;
int video_index;
- double start_time;
- int first_pts;
- int last_position;
+ int64_t first_pts;
+ int64_t last_position;
int seekable;
- int current_position;
- int got_picture;
+ int64_t current_position;
+ mlt_position nonseek_position;
int top_field_first;
- int16_t *audio_buffer[ MAX_AUDIO_STREAMS ];
+ uint8_t *audio_buffer[ MAX_AUDIO_STREAMS ];
size_t audio_buffer_size[ MAX_AUDIO_STREAMS ];
- int16_t *decode_buffer[ MAX_AUDIO_STREAMS ];
+ uint8_t *decode_buffer[ MAX_AUDIO_STREAMS ];
int audio_used[ MAX_AUDIO_STREAMS ];
int audio_streams;
int audio_max_stream;
int max_channel;
int max_frequency;
unsigned int invalid_pts_counter;
- double resample_factor;
+ unsigned int invalid_dts_counter;
mlt_cache image_cache;
+ int yuv_colorspace, color_primaries;
+ int full_luma;
+ pthread_mutex_t video_mutex;
+ pthread_mutex_t audio_mutex;
+ mlt_deque apackets;
+ mlt_deque vpackets;
+ pthread_mutex_t packets_mutex;
+ pthread_mutex_t open_mutex;
+ int is_mutex_init;
+ AVRational video_time_base;
#ifdef VDPAU
struct
{
int ip_age[2];
int is_decoded;
uint8_t *buffer;
+
+ VdpDevice device;
+ VdpDecoder decoder;
} *vdpau;
#endif
};
typedef struct producer_avformat_s *producer_avformat;
// Forward references.
-static int producer_open( producer_avformat this, mlt_profile profile, char *file );
-static int producer_get_frame( mlt_producer this, mlt_frame_ptr frame, int index );
+static int list_components( char* file );
+static int producer_open( producer_avformat self, mlt_profile profile, const char *URL, int take_lock );
+static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index );
static void producer_avformat_close( producer_avformat );
static void producer_close( mlt_producer parent );
+static void producer_set_up_video( producer_avformat self, mlt_frame frame );
+static void producer_set_up_audio( producer_avformat self, mlt_frame frame );
+static void apply_properties( void *obj, mlt_properties properties, int flags );
+static int video_codec_init( producer_avformat self, int index, mlt_properties properties );
+static void get_audio_streams_info( producer_avformat self );
+static mlt_audio_format pick_audio_format( int sample_fmt );
#ifdef VDPAU
#include "vdpau.c"
mlt_producer producer_avformat_init( mlt_profile profile, const char *service, char *file )
{
- int skip = 0;
+ if ( list_components( file ) )
+ return NULL;
- // Report information about available demuxers and codecs as YAML Tiny
- if ( file && strstr( file, "f-list" ) )
- {
- fprintf( stderr, "---\nformats:\n" );
- AVInputFormat *format = NULL;
- while ( ( format = av_iformat_next( format ) ) )
- fprintf( stderr, " - %s\n", format->name );
- fprintf( stderr, "...\n" );
- skip = 1;
- }
- if ( file && strstr( file, "acodec-list" ) )
- {
- fprintf( stderr, "---\naudio_codecs:\n" );
- AVCodec *codec = NULL;
- while ( ( codec = av_codec_next( codec ) ) )
- if ( codec->decode && codec->type == CODEC_TYPE_AUDIO )
- fprintf( stderr, " - %s\n", codec->name );
- fprintf( stderr, "...\n" );
- skip = 1;
- }
- if ( file && strstr( file, "vcodec-list" ) )
- {
- fprintf( stderr, "---\nvideo_codecs:\n" );
- AVCodec *codec = NULL;
- while ( ( codec = av_codec_next( codec ) ) )
- if ( codec->decode && codec->type == CODEC_TYPE_VIDEO )
- fprintf( stderr, " - %s\n", codec->name );
- fprintf( stderr, "...\n" );
- skip = 1;
- }
+ mlt_producer producer = NULL;
// Check that we have a non-NULL argument
- if ( !skip && file )
+ if ( file )
{
// Construct the producer
- mlt_producer producer = calloc( 1, sizeof( struct mlt_producer_s ) );
- producer_avformat this = calloc( 1, sizeof( struct producer_avformat_s ) );
+ producer_avformat self = calloc( 1, sizeof( struct producer_avformat_s ) );
+ producer = calloc( 1, sizeof( struct mlt_producer_s ) );
// Initialise it
- if ( mlt_producer_init( producer, this ) == 0 )
+ if ( mlt_producer_init( producer, self ) == 0 )
{
- this->parent = producer;
+ self->parent = producer;
// Get the properties
mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
// Register our get_frame implementation
producer->get_frame = producer_get_frame;
-
+
if ( strcmp( service, "avformat-novalidate" ) )
{
// Open the file
- if ( producer_open( this, profile, file ) != 0 )
+ if ( producer_open( self, profile, file, 1 ) != 0 )
{
// Clean up
mlt_producer_close( producer );
producer = NULL;
+ producer_avformat_close( self );
}
- else
+ else if ( self->seekable )
{
// Close the file to release resources for large playlists - reopen later as needed
- avformat_lock();
- if ( this->dummy_context )
- av_close_input_file( this->dummy_context );
- this->dummy_context = NULL;
- if ( this->audio_format )
- av_close_input_file( this->audio_format );
- this->audio_format = NULL;
- if ( this->video_format )
- av_close_input_file( this->video_format );
- this->video_format = NULL;
- avformat_unlock();
-
- // Default the user-selectable indices from the auto-detected indices
- mlt_properties_set_int( properties, "audio_index", this->audio_index );
- mlt_properties_set_int( properties, "video_index", this->video_index );
-
-#ifdef VDPAU
- mlt_service_cache_set_size( MLT_PRODUCER_SERVICE(producer), "producer_avformat", 5 );
+#if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
+ if ( self->audio_format )
+ avformat_close_input( &self->audio_format );
+ if ( self->video_format )
+ avformat_close_input( &self->video_format );
+#else
+ if ( self->audio_format )
+ av_close_input_file( self->audio_format );
+ if ( self->video_format )
+ av_close_input_file( self->video_format );
#endif
- mlt_service_cache_put( MLT_PRODUCER_SERVICE(producer), "producer_avformat", this, 0, (mlt_destructor) producer_avformat_close );
+ self->audio_format = NULL;
+ self->video_format = NULL;
}
}
- else
+ if ( producer )
{
+ // Default the user-selectable indices from the auto-detected indices
+ mlt_properties_set_int( properties, "audio_index", self->audio_index );
+ mlt_properties_set_int( properties, "video_index", self->video_index );
#ifdef VDPAU
mlt_service_cache_set_size( MLT_PRODUCER_SERVICE(producer), "producer_avformat", 5 );
#endif
- mlt_service_cache_put( MLT_PRODUCER_SERVICE(producer), "producer_avformat", this, 0, (mlt_destructor) producer_avformat_close );
+ mlt_service_cache_put( MLT_PRODUCER_SERVICE(producer), "producer_avformat", self, 0, (mlt_destructor) producer_avformat_close );
}
- return producer;
}
}
- return NULL;
+ return producer;
+}
+
+int list_components( char* file )
+{
+ int skip = 0;
+
+ // Report information about available demuxers and codecs as YAML Tiny
+ if ( file && strstr( file, "f-list" ) )
+ {
+ fprintf( stderr, "---\nformats:\n" );
+ AVInputFormat *format = NULL;
+ while ( ( format = av_iformat_next( format ) ) )
+ fprintf( stderr, " - %s\n", format->name );
+ fprintf( stderr, "...\n" );
+ skip = 1;
+ }
+ if ( file && strstr( file, "acodec-list" ) )
+ {
+ fprintf( stderr, "---\naudio_codecs:\n" );
+ AVCodec *codec = NULL;
+ while ( ( codec = av_codec_next( codec ) ) )
+ if ( codec->decode && codec->type == CODEC_TYPE_AUDIO )
+ fprintf( stderr, " - %s\n", codec->name );
+ fprintf( stderr, "...\n" );
+ skip = 1;
+ }
+ if ( file && strstr( file, "vcodec-list" ) )
+ {
+ fprintf( stderr, "---\nvideo_codecs:\n" );
+ AVCodec *codec = NULL;
+ while ( ( codec = av_codec_next( codec ) ) )
+ if ( codec->decode && codec->type == CODEC_TYPE_VIDEO )
+ fprintf( stderr, " - %s\n", codec->name );
+ fprintf( stderr, "...\n" );
+ skip = 1;
+ }
+
+ return skip;
+}
+
+static int first_video_index( producer_avformat self )
+{
+ AVFormatContext *context = self->video_format? self->video_format : self->audio_format;
+ int i = -1; // not found
+
+ if ( context ) {
+ for ( i = 0; i < context->nb_streams; i++ ) {
+ if ( context->streams[i]->codec &&
+ context->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO )
+ break;
+ }
+ if ( i == context->nb_streams )
+ i = -1;
+ }
+ return i;
}
/** Find the default streams.
*/
-static mlt_properties find_default_streams( mlt_properties meta_media, AVFormatContext *context, int *audio_index, int *video_index )
+static mlt_properties find_default_streams( producer_avformat self )
{
int i;
char key[200];
+#if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
+ AVDictionaryEntry *tag = NULL;
+#else
+ AVMetadataTag *tag = NULL;
+#endif
+ AVFormatContext *context = self->video_format;
+ mlt_properties meta_media = MLT_PRODUCER_PROPERTIES( self->parent );
+
+ // Default to the first audio and video streams found
+ self->audio_index = -1;
+ self->video_index = -1;
mlt_properties_set_int( meta_media, "meta.media.nb_streams", context->nb_streams );
switch( codec_context->codec_type )
{
case CODEC_TYPE_VIDEO:
- if ( *video_index < 0 )
- *video_index = i;
+ // Use first video stream
+ if ( self->video_index < 0 )
+ self->video_index = i;
mlt_properties_set( meta_media, key, "video" );
snprintf( key, sizeof(key), "meta.media.%d.stream.frame_rate", i );
- mlt_properties_set_double( meta_media, key, av_q2d( context->streams[ i ]->r_frame_rate ) );
-#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
+ double ffmpeg_fps = av_q2d( context->streams[ i ]->avg_frame_rate );
+#if LIBAVFORMAT_VERSION_MAJOR < 55
+ if ( isnan( ffmpeg_fps ) || ffmpeg_fps == 0 )
+ ffmpeg_fps = av_q2d( context->streams[ i ]->r_frame_rate );
+#endif
+ mlt_properties_set_double( meta_media, key, ffmpeg_fps );
+
snprintf( key, sizeof(key), "meta.media.%d.stream.sample_aspect_ratio", i );
mlt_properties_set_double( meta_media, key, av_q2d( context->streams[ i ]->sample_aspect_ratio ) );
-#endif
+ snprintf( key, sizeof(key), "meta.media.%d.codec.width", i );
+ mlt_properties_set_int( meta_media, key, codec_context->width );
+ snprintf( key, sizeof(key), "meta.media.%d.codec.height", i );
+ mlt_properties_set_int( meta_media, key, codec_context->height );
snprintf( key, sizeof(key), "meta.media.%d.codec.frame_rate", i );
- mlt_properties_set_double( meta_media, key, (double) codec_context->time_base.den /
- ( codec_context->time_base.num == 0 ? 1 : codec_context->time_base.num ) );
+ AVRational frame_rate = { codec_context->time_base.den, codec_context->time_base.num * codec_context->ticks_per_frame };
+ mlt_properties_set_double( meta_media, key, av_q2d( frame_rate ) );
snprintf( key, sizeof(key), "meta.media.%d.codec.pix_fmt", i );
+#if LIBAVUTIL_VERSION_INT >= ((51<<16)+(3<<8)+0)
+ mlt_properties_set( meta_media, key, av_get_pix_fmt_name( codec_context->pix_fmt ) );
+#else
mlt_properties_set( meta_media, key, avcodec_get_pix_fmt_name( codec_context->pix_fmt ) );
+#endif
snprintf( key, sizeof(key), "meta.media.%d.codec.sample_aspect_ratio", i );
mlt_properties_set_double( meta_media, key, av_q2d( codec_context->sample_aspect_ratio ) );
+ snprintf( key, sizeof(key), "meta.media.%d.codec.colorspace", i );
+ switch ( codec_context->colorspace )
+ {
+ case AVCOL_SPC_SMPTE240M:
+ mlt_properties_set_int( meta_media, key, 240 );
+ break;
+ case AVCOL_SPC_BT470BG:
+ case AVCOL_SPC_SMPTE170M:
+ mlt_properties_set_int( meta_media, key, 601 );
+ break;
+ case AVCOL_SPC_BT709:
+ mlt_properties_set_int( meta_media, key, 709 );
+ break;
+ default:
+ // This is a heuristic Charles Poynton suggests in "Digital Video and HDTV"
+ mlt_properties_set_int( meta_media, key, codec_context->width * codec_context->height > 750000 ? 709 : 601 );
+ break;
+ }
break;
case CODEC_TYPE_AUDIO:
- if ( *audio_index < 0 )
- *audio_index = i;
+ if ( !codec_context->channels )
+ break;
+ // Use first audio stream
+ if ( self->audio_index < 0 && pick_audio_format( codec_context->sample_fmt ) != mlt_audio_none )
+ self->audio_index = i;
+
mlt_properties_set( meta_media, key, "audio" );
-#if (LIBAVCODEC_VERSION_INT >= ((51<<16)+(71<<8)+0))
snprintf( key, sizeof(key), "meta.media.%d.codec.sample_fmt", i );
- mlt_properties_set( meta_media, key, avcodec_get_sample_fmt_name( codec_context->sample_fmt ) );
-#endif
+ mlt_properties_set( meta_media, key, av_get_sample_fmt_name( codec_context->sample_fmt ) );
snprintf( key, sizeof(key), "meta.media.%d.codec.sample_rate", i );
mlt_properties_set_int( meta_media, key, codec_context->sample_rate );
snprintf( key, sizeof(key), "meta.media.%d.codec.channels", i );
// mlt_properties_set_double( meta_media, key, av_q2d( context->streams[ i ]->time_base ) );
snprintf( key, sizeof(key), "meta.media.%d.codec.name", i );
mlt_properties_set( meta_media, key, codec->name );
-#if (LIBAVCODEC_VERSION_INT >= ((51<<16)+(55<<8)+0))
snprintf( key, sizeof(key), "meta.media.%d.codec.long_name", i );
mlt_properties_set( meta_media, key, codec->long_name );
-#endif
snprintf( key, sizeof(key), "meta.media.%d.codec.bit_rate", i );
mlt_properties_set_int( meta_media, key, codec_context->bit_rate );
// snprintf( key, sizeof(key), "meta.media.%d.codec.time_base", i );
// mlt_properties_set_int( meta_media, key, codec_context->profile );
// snprintf( key, sizeof(key), "meta.media.%d.codec.level", i );
// mlt_properties_set_int( meta_media, key, codec_context->level );
+
+ // Read Metadata
+#if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
+ while ( ( tag = av_dict_get( stream->metadata, "", tag, AV_DICT_IGNORE_SUFFIX ) ) )
+#else
+ while ( ( tag = av_metadata_get( stream->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX ) ) )
+#endif
+ {
+ if ( tag->value && strcmp( tag->value, "" ) && strcmp( tag->value, "und" ) )
+ {
+ snprintf( key, sizeof(key), "meta.attr.%d.stream.%s.markup", i, tag->key );
+ mlt_properties_set( meta_media, key, tag->value );
+ }
+ }
+ }
+#if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
+ while ( ( tag = av_dict_get( context->metadata, "", tag, AV_DICT_IGNORE_SUFFIX ) ) )
+#else
+ while ( ( tag = av_metadata_get( context->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX ) ) )
+#endif
+ {
+ if ( tag->value && strcmp( tag->value, "" ) && strcmp( tag->value, "und" ) )
+ {
+ snprintf( key, sizeof(key), "meta.attr.%s.markup", tag->key );
+ mlt_properties_set( meta_media, key, tag->value );
+ }
}
return meta_media;
}
-static inline int dv_is_pal( AVPacket *pkt )
+static void get_aspect_ratio( mlt_properties properties, AVStream *stream, AVCodecContext *codec_context )
{
- return pkt->data[3] & 0x80;
+ AVRational sar = stream->sample_aspect_ratio;
+ if ( sar.num <= 0 || sar.den <= 0 )
+ sar = codec_context->sample_aspect_ratio;
+ if ( sar.num <= 0 || sar.den <= 0 )
+ sar.num = sar.den = 1;
+ mlt_properties_set_int( properties, "meta.media.sample_aspect_num", sar.num );
+ mlt_properties_set_int( properties, "meta.media.sample_aspect_den", sar.den );
+ mlt_properties_set_double( properties, "aspect_ratio", av_q2d( sar ) );
}
-static int dv_is_wide( AVPacket *pkt )
+#if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
+static char* parse_url( mlt_profile profile, const char* URL, AVInputFormat **format, AVDictionary **params )
+#else
+static char* parse_url( mlt_profile profile, const char* URL, AVInputFormat **format, AVFormatParameters *params )
+#endif
{
- int i = 80 /* block size */ *3 /* VAUX starts at block 3 */ +3 /* skip block header */;
+ if ( !URL ) return NULL;
+
+ char *result = NULL;
+ char *protocol = strdup( URL );
+ char *url = strchr( protocol, ':' );
- for ( ; i < pkt->size; i += 5 /* packet size */ )
+ // Only if there is not a protocol specification that avformat can handle
+#if LIBAVFORMAT_VERSION_MAJOR >= 53
+ if ( url && avio_check( URL, 0 ) < 0 )
+#else
+ if ( url && !url_exist( URL ) )
+#endif
{
- if ( pkt->data[ i ] == 0x61 )
+ // Truncate protocol string
+ url[0] = 0;
+ mlt_log_debug( NULL, "%s: protocol=%s resource=%s\n", __FUNCTION__, protocol, url + 1 );
+
+ // Lookup the format
+ *format = av_find_input_format( protocol );
+
+ // Eat the format designator
+ result = ++url;
+
+ if ( *format )
{
- uint8_t x = pkt->data[ i + 2 ] & 0x7;
- return ( x == 2 ) || ( x == 7 );
+#if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
+ // support for legacy width and height parameters
+ char *width = NULL;
+ char *height = NULL;
+#else
+ // These are required by video4linux2 (defaults)
+ params->width = profile->width;
+ params->height = profile->height;
+ if ( !strstr( URL, "&frame_rate" ) )
+ params->time_base = (AVRational){ profile->frame_rate_den, profile->frame_rate_num };
+ params->channels = 2;
+ params->sample_rate = 48000;
+#endif
+
+ // Parse out params
+ url = strchr( url, '?' );
+ while ( url )
+ {
+ url[0] = 0;
+ char *name = strdup( ++url );
+ char *value = strchr( name, '=' );
+ if ( !value )
+ // Also accept : as delimiter for backwards compatibility.
+ value = strchr( name, ':' );
+ if ( value )
+ {
+ value[0] = 0;
+ value++;
+ char *t = strchr( value, '&' );
+ if ( t )
+ t[0] = 0;
+#if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
+ // translate old parameters to new av_dict names
+ if ( !strcmp( name, "frame_rate" ) )
+ av_dict_set( params, "framerate", value, 0 );
+ else if ( !strcmp( name, "pix_fmt" ) )
+ av_dict_set( params, "pixel_format", value, 0 );
+ else if ( !strcmp( name, "width" ) )
+ width = strdup( value );
+ else if ( !strcmp( name, "height" ) )
+ height = strdup( value );
+ else
+ // generic demux/device option support
+ av_dict_set( params, name, value, 0 );
+#else
+ if ( !strcmp( name, "frame_rate" ) )
+ params->time_base.den = atoi( value );
+ else if ( !strcmp( name, "frame_rate_base" ) )
+ params->time_base.num = atoi( value );
+ else if ( !strcmp( name, "sample_rate" ) )
+ params->sample_rate = atoi( value );
+ else if ( !strcmp( name, "channel" ) )
+ params->channel = atoi( value );
+ else if ( !strcmp( name, "channels" ) )
+ params->channels = atoi( value );
+ else if ( !strcmp( name, "pix_fmt" ) )
+ params->pix_fmt = av_get_pix_fmt( value );
+ else if ( !strcmp( name, "width" ) )
+ params->width = atoi( value );
+ else if ( !strcmp( name, "height" ) )
+ params->height = atoi( value );
+ else if ( !strcmp( name, "standard" ) )
+ params->standard = strdup( value );
+#endif
+ }
+ free( name );
+ url = strchr( url, '&' );
+ }
+#if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
+ // continued support for legacy width and height parameters
+ if ( width && height )
+ {
+ char *s = malloc( strlen( width ) + strlen( height ) + 2 );
+ strcpy( s, width );
+ strcat( s, "x");
+ strcat( s, height );
+ av_dict_set( params, "video_size", s, 0 );
+ free( s );
+ }
+ if ( width ) free( width );
+ if ( height ) free ( height );
+#endif
}
+ result = strdup( result );
}
- return 0;
+ else
+ {
+ result = strdup( URL );
+ }
+ free( protocol );
+ return result;
}
-static double get_aspect_ratio( AVStream *stream, AVCodecContext *codec_context, AVPacket *pkt )
+static int get_basic_info( producer_avformat self, mlt_profile profile, const char *filename )
{
- double aspect_ratio = 1.0;
+ int error = 0;
+
+ // Get the properties
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( self->parent );
+
+ AVFormatContext *format = self->video_format;
- if ( codec_context->codec_id == CODEC_ID_DVVIDEO )
+ // Get the duration
+ if ( !mlt_properties_get_int( properties, "_length_computed" ) )
{
- if ( pkt )
+ // The _length_computed flag prevents overwriting explicity set length/out/eof properties
+ // when producer_open is called after initial call when restoring or reseting the producer.
+ if ( format->duration != AV_NOPTS_VALUE )
{
- if ( dv_is_pal( pkt ) )
- {
- aspect_ratio = dv_is_wide( pkt )
- ? 64.0/45.0 // 16:9 PAL
- : 16.0/15.0; // 4:3 PAL
- }
- else
- {
- aspect_ratio = dv_is_wide( pkt )
- ? 32.0/27.0 // 16:9 NTSC
- : 8.0/9.0; // 4:3 NTSC
- }
+ // This isn't going to be accurate for all formats
+ // We will treat everything with the producer fps.
+ mlt_position frames = ( mlt_position )( int )( format->duration *
+ profile->frame_rate_num / profile->frame_rate_den / AV_TIME_BASE);
+ mlt_properties_set_position( properties, "out", frames - 1 );
+ mlt_properties_set_position( properties, "length", frames );
+ mlt_properties_set_int( properties, "_length_computed", 1 );
}
else
{
- AVRational ar =
-#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
- stream->sample_aspect_ratio;
+ // Set live sources to run forever
+ mlt_properties_set_position( properties, "length", INT_MAX );
+ mlt_properties_set_position( properties, "out", INT_MAX - 1 );
+ mlt_properties_set( properties, "eof", "loop" );
+ mlt_properties_set_int( properties, "_length_computed", 1 );
+ }
+ }
+
+ // Check if we're seekable
+ // avdevices are typically AVFMT_NOFILE and not seekable
+ self->seekable = !format->iformat || !( format->iformat->flags & AVFMT_NOFILE );
+ if ( format->pb )
+ {
+ // protocols can indicate if they support seeking
+#if LIBAVFORMAT_VERSION_MAJOR >= 53
+ self->seekable = format->pb->seekable;
#else
- codec_context->sample_aspect_ratio;
+ URLContext *uc = url_fileno( format->pb );
+ if ( uc )
+ self->seekable = !uc->is_streamed;
#endif
- // Override FFmpeg's notion of DV aspect ratios, which are
- // based upon a width of 704. Since we do not have a normaliser
- // that crops (nor is cropping 720 wide ITU-R 601 video always desirable)
- // we just coerce the values to facilitate a passive behaviour through
- // the rescale normaliser when using equivalent producers and consumers.
- // = display_aspect / (width * height)
- if ( ar.num == 10 && ar.den == 11 )
- aspect_ratio = 8.0/9.0; // 4:3 NTSC
- else if ( ar.num == 59 && ar.den == 54 )
- aspect_ratio = 16.0/15.0; // 4:3 PAL
- else if ( ar.num == 40 && ar.den == 33 )
- aspect_ratio = 32.0/27.0; // 16:9 NTSC
- else if ( ar.num == 118 && ar.den == 81 )
- aspect_ratio = 64.0/45.0; // 16:9 PAL
- }
}
- else
+ if ( self->seekable )
{
- AVRational codec_sar = codec_context->sample_aspect_ratio;
- AVRational stream_sar =
-#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
- stream->sample_aspect_ratio;
+ // Do a more rigourous test of seekable on a disposable context
+ self->seekable = av_seek_frame( format, -1, format->start_time, AVSEEK_FLAG_BACKWARD ) >= 0;
+ mlt_properties_set_int( properties, "seekable", self->seekable );
+ self->dummy_context = format;
+#if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
+ self->video_format = NULL;
+ avformat_open_input( &self->video_format, filename, NULL, NULL );
+ avformat_find_stream_info( self->video_format, NULL );
#else
- { 0, 1 };
+ av_open_input_file( &self->video_format, filename, NULL, 0, NULL );
+ av_find_stream_info( self->video_format );
#endif
- if ( codec_sar.num > 0 )
- aspect_ratio = av_q2d( codec_sar );
- else if ( stream_sar.num > 0 )
- aspect_ratio = av_q2d( stream_sar );
+ format = self->video_format;
}
- return aspect_ratio;
+
+ // Fetch the width, height and aspect ratio
+ if ( self->video_index != -1 )
+ {
+ AVCodecContext *codec_context = format->streams[ self->video_index ]->codec;
+ mlt_properties_set_int( properties, "width", codec_context->width );
+ mlt_properties_set_int( properties, "height", codec_context->height );
+ get_aspect_ratio( properties, format->streams[ self->video_index ], codec_context );
+
+ // Verify that we can convert this to YUV 4:2:2
+ // TODO: we can now also return RGB and RGBA and quite possibly more in the future.
+ struct SwsContext *context = sws_getContext( codec_context->width, codec_context->height, codec_context->pix_fmt,
+ codec_context->width, codec_context->height, PIX_FMT_YUYV422, SWS_BILINEAR, NULL, NULL, NULL);
+ if ( context )
+ sws_freeContext( context );
+ else
+ error = 1;
+ }
+ return error;
}
/** Open the file.
*/
-static int producer_open( producer_avformat this, mlt_profile profile, char *file )
+static int producer_open( producer_avformat self, mlt_profile profile, const char *URL, int take_lock )
{
// Return an error code (0 == no error)
int error = 0;
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( self->parent );
- // Context for avformat
- AVFormatContext *context = NULL;
-
- // Get the properties
- mlt_properties properties = MLT_PRODUCER_PROPERTIES( this->parent );
-
- // We will treat everything with the producer fps
- double fps = mlt_profile_fps( profile );
+ if ( !self->is_mutex_init )
+ {
+ pthread_mutex_init( &self->audio_mutex, NULL );
+ pthread_mutex_init( &self->video_mutex, NULL );
+ pthread_mutex_init( &self->packets_mutex, NULL );
+ pthread_mutex_init( &self->open_mutex, NULL );
+ self->is_mutex_init = 1;
+ }
- // Lock the mutex now
- avformat_lock( );
+ // Lock the service
+ if ( take_lock )
+ {
+ pthread_mutex_lock( &self->audio_mutex );
+ pthread_mutex_lock( &self->video_mutex );
+ }
+ mlt_events_block( properties, self->parent );
- // If "MRL", then create AVInputFormat
+ // Parse URL
AVInputFormat *format = NULL;
- AVFormatParameters *params = NULL;
- char *standard = NULL;
- char *mrl = strchr( file, ':' );
-
- // AV option (0 = both, 1 = video, 2 = audio)
- int av = 0;
+#if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
+ AVDictionary *params = NULL;
+#else
+ AVFormatParameters params;
+ memset( ¶ms, 0, sizeof(params) );
+#endif
+ char *filename = parse_url( profile, URL, &format, ¶ms );
+
+ // Now attempt to open the file or device with filename
+#if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
+ error = avformat_open_input( &self->video_format, filename, format, ¶ms ) < 0;
+ if ( error )
+ // If the URL is a network stream URL, then we probably need to open with full URL
+ error = avformat_open_input( &self->video_format, URL, format, ¶ms ) < 0;
+#else
+ error = av_open_input_file( &self->video_format, filename, format, 0, ¶ms ) < 0;
+ if ( error )
+ // If the URL is a network stream URL, then we probably need to open with full URL
+ error = av_open_input_file( &self->video_format, URL, format, 0, ¶ms ) < 0;
+#endif
- // Only if there is not a protocol specification that avformat can handle
- if ( mrl && !url_exist( file ) )
+ // Set MLT properties onto video AVFormatContext
+ if ( !error && self->video_format )
{
- // 'file' becomes format abbreviation
- mrl[0] = 0;
+ apply_properties( self->video_format, properties, AV_OPT_FLAG_DECODING_PARAM );
+ if ( self->video_format->iformat && self->video_format->iformat->priv_class && self->video_format->priv_data )
+ apply_properties( self->video_format->priv_data, properties, AV_OPT_FLAG_DECODING_PARAM );
+ }
- // Lookup the format
- format = av_find_input_format( file );
+#if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
+ av_dict_free( ¶ms );
+#else
+ // Cleanup AVFormatParameters
+ if ( params.standard )
+ free( (void*) params.standard );
+#endif
- // Eat the format designator
- file = ++mrl;
+ // If successful, then try to get additional info
+ if ( !error && self->video_format )
+ {
+ // Get the stream info
+#if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
+ error = avformat_find_stream_info( self->video_format, NULL ) < 0;
+#else
+ error = av_find_stream_info( self->video_format ) < 0;
+#endif
- if ( format )
+ // Continue if no error
+ if ( !error && self->video_format )
{
- // Allocate params
- params = calloc( sizeof( AVFormatParameters ), 1 );
-
- // These are required by video4linux (defaults)
- params->width = 640;
- params->height = 480;
- params->time_base= (AVRational){1,25};
- // params->device = file;
- params->channels = 2;
- params->sample_rate = 48000;
- }
+ // Find default audio and video streams
+ find_default_streams( self );
+ error = get_basic_info( self, profile, filename );
- // Parse out params
- mrl = strchr( file, '?' );
- while ( mrl )
- {
- mrl[0] = 0;
- char *name = strdup( ++mrl );
- char *value = strchr( name, ':' );
- if ( value )
+ // Initialize position info
+ self->first_pts = AV_NOPTS_VALUE;
+ self->last_position = POSITION_INITIAL;
+
+ if ( !self->audio_format )
{
- value[0] = 0;
- value++;
- char *t = strchr( value, '&' );
- if ( t )
- t[0] = 0;
- if ( !strcmp( name, "frame_rate" ) )
- params->time_base.den = atoi( value );
- else if ( !strcmp( name, "frame_rate_base" ) )
- params->time_base.num = atoi( value );
- else if ( !strcmp( name, "sample_rate" ) )
- params->sample_rate = atoi( value );
- else if ( !strcmp( name, "channels" ) )
- params->channels = atoi( value );
- else if ( !strcmp( name, "width" ) )
- params->width = atoi( value );
- else if ( !strcmp( name, "height" ) )
- params->height = atoi( value );
- else if ( !strcmp( name, "standard" ) )
+ // We're going to cheat here - for seekable A/V files, we will have separate contexts
+ // to support independent seeking of audio from video.
+ // TODO: Is this really necessary?
+ if ( self->audio_index != -1 && self->video_index != -1 )
+ {
+ if ( self->seekable )
+ {
+ // And open again for our audio context
+#if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
+ avformat_open_input( &self->audio_format, filename, NULL, NULL );
+ apply_properties( self->audio_format, properties, AV_OPT_FLAG_DECODING_PARAM );
+ if ( self->audio_format->iformat && self->audio_format->iformat->priv_class && self->audio_format->priv_data )
+ apply_properties( self->audio_format->priv_data, properties, AV_OPT_FLAG_DECODING_PARAM );
+ avformat_find_stream_info( self->audio_format, NULL );
+#else
+ av_open_input_file( &self->audio_format, filename, NULL, 0, NULL );
+ apply_properties( self->audio_format, properties, AV_OPT_FLAG_DECODING_PARAM );
+#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(110<<8)+0)
+ if ( self->audio_format->iformat && self->audio_format->iformat->priv_class && self->audio_format->priv_data )
+ apply_properties( self->audio_format->priv_data, properties, AV_OPT_FLAG_DECODING_PARAM );
+#endif
+ av_find_stream_info( self->audio_format );
+#endif
+ }
+ else
+ {
+ self->audio_format = self->video_format;
+ }
+ }
+ else if ( self->audio_index != -1 )
{
- standard = strdup( value );
- params->standard = standard;
+ // We only have an audio context
+ self->audio_format = self->video_format;
+ self->video_format = NULL;
}
- else if ( !strcmp( name, "av" ) )
- av = atoi( value );
+ else if ( self->video_index == -1 )
+ {
+ // Something has gone wrong
+ error = -1;
+ }
+ if ( self->audio_format && !self->audio_streams )
+ get_audio_streams_info( self );
}
- free( name );
- mrl = strchr( mrl, '&' );
}
}
+ if ( filename )
+ free( filename );
+ if ( !error )
+ {
+ self->apackets = mlt_deque_init();
+ self->vpackets = mlt_deque_init();
+ }
- // Now attempt to open the file
- error = av_open_input_file( &context, file, format, 0, params ) < 0;
+ if ( self->dummy_context )
+ {
+ pthread_mutex_lock( &self->open_mutex );
+#if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
+ avformat_close_input( &self->dummy_context );
+#else
+ av_close_input_file( self->dummy_context );
+#endif
+ self->dummy_context = NULL;
+ pthread_mutex_unlock( &self->open_mutex );
+ }
- // Cleanup AVFormatParameters
- free( standard );
- free( params );
+ // Unlock the service
+ if ( take_lock )
+ {
+ pthread_mutex_unlock( &self->audio_mutex );
+ pthread_mutex_unlock( &self->video_mutex );
+ }
+ mlt_events_unblock( properties, self->parent );
- // If successful, then try to get additional info
- if ( !error )
+ return error;
+}
+
+static void prepare_reopen( producer_avformat self )
+{
+ mlt_service_lock( MLT_PRODUCER_SERVICE( self->parent ) );
+ pthread_mutex_lock( &self->audio_mutex );
+ pthread_mutex_lock( &self->open_mutex );
+
+ int i;
+ for ( i = 0; i < MAX_AUDIO_STREAMS; i++ )
{
- // Get the stream info
- error = av_find_stream_info( context ) < 0;
+ mlt_pool_release( self->audio_buffer[i] );
+ self->audio_buffer[i] = NULL;
+ av_free( self->decode_buffer[i] );
+ self->decode_buffer[i] = NULL;
+ if ( self->audio_codec[i] )
+ avcodec_close( self->audio_codec[i] );
+ self->audio_codec[i] = NULL;
+ }
+ if ( self->video_codec )
+ avcodec_close( self->video_codec );
+ self->video_codec = NULL;
+
+#if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
+ if ( self->seekable && self->audio_format )
+ avformat_close_input( &self->audio_format );
+ if ( self->video_format )
+ avformat_close_input( &self->video_format );
+#else
+ if ( self->seekable && self->audio_format )
+ av_close_input_file( self->audio_format );
+ if ( self->video_format )
+ av_close_input_file( self->video_format );
+#endif
+ self->audio_format = NULL;
+ self->video_format = NULL;
+ pthread_mutex_unlock( &self->open_mutex );
- // Continue if no error
- if ( !error )
+ // Cleanup the packet queues
+ AVPacket *pkt;
+ if ( self->apackets )
+ {
+ while ( ( pkt = mlt_deque_pop_back( self->apackets ) ) )
{
- // We will default to the first audio and video streams found
- int audio_index = -1;
- int video_index = -1;
+ av_free_packet( pkt );
+ free( pkt );
+ }
+ mlt_deque_close( self->apackets );
+ self->apackets = NULL;
+ }
+ if ( self->vpackets )
+ {
+ while ( ( pkt = mlt_deque_pop_back( self->vpackets ) ) )
+ {
+ av_free_packet( pkt );
+ free( pkt );
+ }
+ mlt_deque_close( self->vpackets );
+ self->vpackets = NULL;
+ }
+ pthread_mutex_unlock( &self->audio_mutex );
+ mlt_service_unlock( MLT_PRODUCER_SERVICE( self->parent ) );
+}
- // Now set properties where we can (use default unknowns if required)
- if ( context->duration != AV_NOPTS_VALUE )
- {
- // This isn't going to be accurate for all formats
- mlt_position frames = ( mlt_position )( ( ( double )context->duration / ( double )AV_TIME_BASE ) * fps + 0.5 );
- mlt_properties_set_position( properties, "out", frames - 1 );
- mlt_properties_set_position( properties, "length", frames );
- }
+static int64_t best_pts( producer_avformat self, int64_t pts, int64_t dts )
+{
+ self->invalid_pts_counter += pts == AV_NOPTS_VALUE;
+ self->invalid_dts_counter += dts == AV_NOPTS_VALUE;
+ if ( ( self->invalid_pts_counter <= self->invalid_dts_counter
+ || dts == AV_NOPTS_VALUE ) && pts != AV_NOPTS_VALUE )
+ return pts;
+ else
+ return dts;
+}
- // Find default audio and video streams
- find_default_streams( properties, context, &audio_index, &video_index );
+static void find_first_pts( producer_avformat self, int video_index )
+{
+ // find initial PTS
+ AVFormatContext *context = self->video_format? self->video_format : self->audio_format;
+ int ret = 0;
+ int toscan = 500;
+ AVPacket pkt;
- if ( context->start_time != AV_NOPTS_VALUE )
- this->start_time = context->start_time;
-
- // Check if we're seekable (something funny about mpeg here :-/)
- if ( strncmp( file, "pipe:", 5 ) &&
- strncmp( file, "/dev/", 5 ) &&
- strncmp( file, "http:", 5 ) &&
- strncmp( file, "udp:", 4 ) &&
- strncmp( file, "tcp:", 4 ) &&
- strncmp( file, "rtsp:", 5 ) &&
- strncmp( file, "rtp:", 4 ) )
- {
- this->seekable = av_seek_frame( context, -1, this->start_time, AVSEEK_FLAG_BACKWARD ) >= 0;
- mlt_properties_set_int( properties, "seekable", this->seekable );
- this->dummy_context = context;
- av_open_input_file( &context, file, NULL, 0, NULL );
- av_find_stream_info( context );
- }
+ while ( ret >= 0 && toscan-- > 0 )
+ {
+ ret = av_read_frame( context, &pkt );
+ if ( ret >= 0 && pkt.stream_index == video_index && ( pkt.flags & PKT_FLAG_KEY ) )
+ {
+ mlt_log_debug( MLT_PRODUCER_SERVICE(self->parent),
+ "first_pts %"PRId64" dts %"PRId64" pts_dts_delta %d\n",
+ pkt.pts, pkt.dts, (int)(pkt.pts - pkt.dts) );
+ self->first_pts = best_pts( self, pkt.pts, pkt.dts );
+ if ( self->first_pts != AV_NOPTS_VALUE )
+ toscan = 0;
+ }
+ av_free_packet( &pkt );
+ }
+ av_seek_frame( context, -1, 0, AVSEEK_FLAG_BACKWARD );
+}
- // Store selected audio and video indexes on properties
- this->audio_index = audio_index;
- this->video_index = video_index;
- this->first_pts = -1;
- this->last_position = POSITION_INITIAL;
+static int seek_video( producer_avformat self, mlt_position position,
+ int64_t req_position, int preseek )
+{
+ mlt_producer producer = self->parent;
+ int paused = 0;
- // Fetch the width, height and aspect ratio
- if ( video_index != -1 )
- {
- AVCodecContext *codec_context = context->streams[ video_index ]->codec;
- mlt_properties_set_int( properties, "width", codec_context->width );
- mlt_properties_set_int( properties, "height", codec_context->height );
+ if ( self->seekable && ( position != self->video_expected || self->last_position < 0 ) )
+ {
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
- if ( codec_context->codec_id == CODEC_ID_DVVIDEO )
- {
- // Fetch the first frame of DV so we can read it directly
- AVPacket pkt;
- int ret = 0;
- while ( ret >= 0 )
- {
- ret = av_read_frame( context, &pkt );
- if ( ret >= 0 && pkt.stream_index == video_index && pkt.size > 0 )
- {
- mlt_properties_set_double( properties, "aspect_ratio",
- get_aspect_ratio( context->streams[ video_index ], codec_context, &pkt ) );
- break;
- }
- }
- }
- else
- {
- mlt_properties_set_double( properties, "aspect_ratio",
- get_aspect_ratio( context->streams[ video_index ], codec_context, NULL ) );
- }
- }
+ // Fetch the video format context
+ AVFormatContext *context = self->video_format;
- // Read Metadata
- if ( context->title )
- mlt_properties_set(properties, "meta.attr.title.markup", context->title );
- if ( context->author )
- mlt_properties_set(properties, "meta.attr.author.markup", context->author );
- if ( context->copyright )
- mlt_properties_set(properties, "meta.attr.copyright.markup", context->copyright );
- if ( context->comment )
- mlt_properties_set(properties, "meta.attr.comment.markup", context->comment );
- if ( context->album )
- mlt_properties_set(properties, "meta.attr.album.markup", context->album );
- if ( context->year )
- mlt_properties_set_int(properties, "meta.attr.year.markup", context->year );
- if ( context->track )
- mlt_properties_set_int(properties, "meta.attr.track.markup", context->track );
-
- // We're going to cheat here - for a/v files, we will have two contexts (reasoning will be clear later)
- if ( av == 0 && audio_index != -1 && video_index != -1 )
- {
- // We'll use the open one as our video_format
- this->video_format = context;
+ // Get the video stream
+ AVStream *stream = context->streams[ self->video_index ];
- // And open again for our audio context
- av_open_input_file( &context, file, NULL, 0, NULL );
- av_find_stream_info( context );
+ // Get codec context
+ AVCodecContext *codec_context = stream->codec;
- // Audio context
- this->audio_format = context;
- }
- else if ( av != 2 && video_index != -1 )
- {
- // We only have a video context
- this->video_format = context;
- }
- else if ( audio_index != -1 )
- {
- // We only have an audio context
- this->audio_format = context;
- }
- else
- {
- // Something has gone wrong
- error = -1;
- }
+ // We may want to use the source fps if available
+ double source_fps = mlt_properties_get_double( properties, "meta.media.frame_rate_num" ) /
+ mlt_properties_get_double( properties, "meta.media.frame_rate_den" );
+
+ if ( self->last_position == POSITION_INITIAL )
+ find_first_pts( self, self->video_index );
+
+ if ( self->video_frame && position + 1 == self->video_expected )
+ {
+ // We're paused - use last image
+ paused = 1;
}
- }
+ else if ( self->seekable && ( position < self->video_expected || position - self->video_expected >= 12 || self->last_position < 0 ) )
+ {
+ // Calculate the timestamp for the requested frame
+ int64_t timestamp = req_position / ( av_q2d( self->video_time_base ) * source_fps );
+ if ( req_position <= 0 )
+ timestamp = 0;
+ else if ( self->first_pts != AV_NOPTS_VALUE )
+ timestamp += self->first_pts;
+ else if ( context->start_time != AV_NOPTS_VALUE )
+ timestamp += context->start_time;
+ if ( preseek && av_q2d( self->video_time_base ) != 0 )
+ timestamp -= 2 / av_q2d( self->video_time_base );
+ if ( timestamp < 0 )
+ timestamp = 0;
+ mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "seeking timestamp %"PRId64" position " MLT_POSITION_FMT " expected "MLT_POSITION_FMT" last_pos %"PRId64"\n",
+ timestamp, position, self->video_expected, self->last_position );
- // Unlock the mutex now
- avformat_unlock( );
+ // Seek to the timestamp
+ codec_context->skip_loop_filter = AVDISCARD_NONREF;
+ av_seek_frame( context, self->video_index, timestamp, AVSEEK_FLAG_BACKWARD );
- return error;
+ // flush any pictures still in decode buffer
+ avcodec_flush_buffers( codec_context );
+
+ // Remove the cached info relating to the previous position
+ self->current_position = POSITION_INVALID;
+ self->last_position = POSITION_INVALID;
+ av_freep( &self->video_frame );
+ }
+ }
+ return paused;
}
/** Convert a frame position to a time code.
*/
-static double producer_time_of_frame( mlt_producer this, mlt_position position )
+static double producer_time_of_frame( mlt_producer producer, mlt_position position )
{
- return ( double )position / mlt_producer_get_fps( this );
+ return ( double )position / mlt_producer_get_fps( producer );
}
- // Collect information about all audio streams
+// Collect information about all audio streams
-static void get_audio_streams_info( producer_avformat this )
+static void get_audio_streams_info( producer_avformat self )
{
// Fetch the audio format context
- AVFormatContext *context = this->audio_format;
+ AVFormatContext *context = self->audio_format;
int i;
for ( i = 0;
AVCodec *codec = avcodec_find_decoder( codec_context->codec_id );
// If we don't have a codec and we can't initialise it, we can't do much more...
- avformat_lock( );
+ pthread_mutex_lock( &self->open_mutex );
+#if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
+ if ( codec && avcodec_open2( codec_context, codec, NULL ) >= 0 )
+#else
if ( codec && avcodec_open( codec_context, codec ) >= 0 )
+#endif
{
- this->audio_streams++;
- this->audio_max_stream = i;
- this->total_channels += codec_context->channels;
- if ( codec_context->channels > this->max_channel )
- this->max_channel = codec_context->channels;
- if ( codec_context->sample_rate > this->max_frequency )
- this->max_frequency = codec_context->sample_rate;
+ self->audio_streams++;
+ self->audio_max_stream = i;
+ self->total_channels += codec_context->channels;
+ if ( codec_context->channels > self->max_channel )
+ self->max_channel = codec_context->channels;
+ if ( codec_context->sample_rate > self->max_frequency )
+ self->max_frequency = codec_context->sample_rate;
avcodec_close( codec_context );
}
- avformat_unlock( );
+ pthread_mutex_unlock( &self->open_mutex );
}
}
mlt_log_verbose( NULL, "[producer avformat] audio: total_streams %d max_stream %d total_channels %d max_channels %d\n",
- this->audio_streams, this->audio_max_stream, this->total_channels, this->max_channel );
-
- // Other audio-specific initializations
- this->resample_factor = 1.0;
+ self->audio_streams, self->audio_max_stream, self->total_channels, self->max_channel );
}
-static inline void convert_image( AVFrame *frame, uint8_t *buffer, int pix_fmt, mlt_image_format *format, int width, int height )
+static void set_luma_transfer( struct SwsContext *context, int yuv_colorspace, int use_full_range )
{
-#ifdef SWSCALE
- if ( pix_fmt == PIX_FMT_RGB32 )
+ int *coefficients;
+ const int *new_coefficients;
+ int full_range;
+ int brightness, contrast, saturation;
+
+ if ( sws_getColorspaceDetails( context, &coefficients, &full_range, &coefficients, &full_range,
+ &brightness, &contrast, &saturation ) != -1 )
{
- *format = mlt_image_rgb24a;
- struct SwsContext *context = sws_getContext( width, height, pix_fmt,
- width, height, PIX_FMT_RGBA, SWS_FAST_BILINEAR, NULL, NULL, NULL);
- AVPicture output;
- avpicture_fill( &output, buffer, PIX_FMT_RGBA, width, height );
- sws_scale( context, frame->data, frame->linesize, 0, height,
- output.data, output.linesize);
- sws_freeContext( context );
+ // Don't change these from defaults unless explicitly told to.
+ if ( use_full_range >= 0 )
+ full_range = use_full_range;
+ switch ( yuv_colorspace )
+ {
+ case 170:
+ case 470:
+ case 601:
+ case 624:
+ new_coefficients = sws_getCoefficients( SWS_CS_ITU601 );
+ break;
+ case 240:
+ new_coefficients = sws_getCoefficients( SWS_CS_SMPTE240M );
+ break;
+ case 709:
+ new_coefficients = sws_getCoefficients( SWS_CS_ITU709 );
+ break;
+ default:
+ new_coefficients = coefficients;
+ break;
+ }
+ sws_setColorspaceDetails( context, new_coefficients, full_range, new_coefficients, full_range,
+ brightness, contrast, saturation );
+ }
+}
+
+static mlt_image_format pick_pix_format( enum PixelFormat pix_fmt )
+{
+ switch ( pix_fmt )
+ {
+ case PIX_FMT_ARGB:
+ case PIX_FMT_RGBA:
+ case PIX_FMT_ABGR:
+ case PIX_FMT_BGRA:
+ return mlt_image_rgb24a;
+ case PIX_FMT_YUV420P:
+ case PIX_FMT_YUVJ420P:
+ case PIX_FMT_YUVA420P:
+ return mlt_image_yuv420p;
+ case PIX_FMT_RGB24:
+ case PIX_FMT_BGR24:
+ case PIX_FMT_GRAY8:
+ case PIX_FMT_MONOWHITE:
+ case PIX_FMT_MONOBLACK:
+ case PIX_FMT_RGB8:
+ case PIX_FMT_BGR8:
+ return mlt_image_rgb24;
+ default:
+ return mlt_image_yuv422;
+ }
+}
+
+static mlt_audio_format pick_audio_format( int sample_fmt )
+{
+ switch ( sample_fmt )
+ {
+ // interleaved
+ case AV_SAMPLE_FMT_U8:
+ return mlt_audio_u8;
+ case AV_SAMPLE_FMT_S16:
+ return mlt_audio_s16;
+ case AV_SAMPLE_FMT_S32:
+ return mlt_audio_s32le;
+ case AV_SAMPLE_FMT_FLT:
+ return mlt_audio_f32le;
+ // planar - this producer converts planar to interleaved
+#if LIBAVUTIL_VERSION_INT >= ((51<<16)+(17<<8)+0)
+ case AV_SAMPLE_FMT_U8P:
+ return mlt_audio_u8;
+ case AV_SAMPLE_FMT_S16P:
+ return mlt_audio_s16;
+ case AV_SAMPLE_FMT_S32P:
+ return mlt_audio_s32le;
+ case AV_SAMPLE_FMT_FLTP:
+ return mlt_audio_f32le;
+#endif
+ default:
+ return mlt_audio_none;
+ }
+}
+
+static void convert_image( producer_avformat self, AVFrame *frame, uint8_t *buffer, int pix_fmt,
+ mlt_image_format *format, int width, int height, uint8_t **alpha )
+{
+ int flags = SWS_BICUBIC | SWS_ACCURATE_RND;
+
+#ifdef USE_MMX
+ flags |= SWS_CPU_CAPS_MMX;
+#endif
+#ifdef USE_SSE
+ flags |= SWS_CPU_CAPS_MMX2;
+#endif
+
+ // extract alpha from planar formats
+ if ( ( pix_fmt == PIX_FMT_YUVA420P
+#if defined(FFUDIV) && LIBAVUTIL_VERSION_INT >= ((51<<16)+(35<<8)+101)
+ || pix_fmt == PIX_FMT_YUVA444P
+#endif
+ ) &&
+ *format != mlt_image_rgb24a && *format != mlt_image_opengl &&
+ frame->data[3] && frame->linesize[3] )
+ {
+ int i;
+ uint8_t *src, *dst;
+
+ dst = *alpha = mlt_pool_alloc( width * height );
+ src = frame->data[3];
+
+ for ( i = 0; i < height; dst += width, src += frame->linesize[3], i++ )
+ memcpy( dst, src, FFMIN( width, frame->linesize[3] ) );
}
- else if ( *format == mlt_image_yuv420p )
+
+ if ( *format == mlt_image_yuv420p )
{
struct SwsContext *context = sws_getContext( width, height, pix_fmt,
- width, height, PIX_FMT_YUV420P, SWS_FAST_BILINEAR, NULL, NULL, NULL);
+ width, height, PIX_FMT_YUV420P, flags, NULL, NULL, NULL);
AVPicture output;
output.data[0] = buffer;
output.data[1] = buffer + width * height;
output.linesize[0] = width;
output.linesize[1] = width >> 1;
output.linesize[2] = width >> 1;
- sws_scale( context, frame->data, frame->linesize, 0, height,
+ set_luma_transfer( context, self->yuv_colorspace, -1 );
+ sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
output.data, output.linesize);
sws_freeContext( context );
}
else if ( *format == mlt_image_rgb24 )
{
struct SwsContext *context = sws_getContext( width, height, pix_fmt,
- width, height, PIX_FMT_RGB24, SWS_FAST_BILINEAR, NULL, NULL, NULL);
+ width, height, PIX_FMT_RGB24, flags | SWS_FULL_CHR_H_INT, NULL, NULL, NULL);
AVPicture output;
avpicture_fill( &output, buffer, PIX_FMT_RGB24, width, height );
- sws_scale( context, frame->data, frame->linesize, 0, height,
+ set_luma_transfer( context, self->yuv_colorspace, self->full_luma );
+ sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
output.data, output.linesize);
sws_freeContext( context );
}
else if ( *format == mlt_image_rgb24a || *format == mlt_image_opengl )
{
struct SwsContext *context = sws_getContext( width, height, pix_fmt,
- width, height, PIX_FMT_RGBA, SWS_FAST_BILINEAR, NULL, NULL, NULL);
+ width, height, PIX_FMT_RGBA, flags | SWS_FULL_CHR_H_INT, NULL, NULL, NULL);
AVPicture output;
avpicture_fill( &output, buffer, PIX_FMT_RGBA, width, height );
- sws_scale( context, frame->data, frame->linesize, 0, height,
+ set_luma_transfer( context, self->yuv_colorspace, self->full_luma );
+ sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
output.data, output.linesize);
sws_freeContext( context );
}
else
{
struct SwsContext *context = sws_getContext( width, height, pix_fmt,
- width, height, PIX_FMT_YUYV422, SWS_FAST_BILINEAR, NULL, NULL, NULL);
+ width, height, PIX_FMT_YUYV422, flags | SWS_FULL_CHR_H_INP, NULL, NULL, NULL);
AVPicture output;
avpicture_fill( &output, buffer, PIX_FMT_YUYV422, width, height );
- sws_scale( context, frame->data, frame->linesize, 0, height,
+ set_luma_transfer( context, self->yuv_colorspace, -1 );
+ sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
output.data, output.linesize);
sws_freeContext( context );
}
-#else
- if ( *format == mlt_image_yuv420p )
- {
- AVPicture pict;
- pict.data[0] = buffer;
- pict.data[1] = buffer + width * height;
- pict.data[2] = buffer + ( 5 * width * height ) / 4;
- pict.linesize[0] = width;
- pict.linesize[1] = width >> 1;
- pict.linesize[2] = width >> 1;
- img_convert( &pict, PIX_FMT_YUV420P, (AVPicture *)frame, pix_fmt, width, height );
- }
- else if ( *format == mlt_image_rgb24 )
- {
- AVPicture output;
- avpicture_fill( &output, buffer, PIX_FMT_RGB24, width, height );
- img_convert( &output, PIX_FMT_RGB24, (AVPicture *)frame, pix_fmt, width, height );
- }
- else if ( format == mlt_image_rgb24a || format == mlt_image_opengl )
- {
- AVPicture output;
- avpicture_fill( &output, buffer, PIX_FMT_RGB32, width, height );
- img_convert( &output, PIX_FMT_RGB32, (AVPicture *)frame, pix_fmt, width, height );
- }
- else
- {
- AVPicture output;
- avpicture_fill( &output, buffer, PIX_FMT_YUYV422, width, height );
- img_convert( &output, PIX_FMT_YUYV422, (AVPicture *)frame, pix_fmt, width, height );
- }
-#endif
}
/** Allocate the image buffer and set it on the frame.
*/
-static int allocate_buffer( mlt_properties frame_properties, AVCodecContext *codec_context, uint8_t **buffer, mlt_image_format *format, int *width, int *height )
+static int allocate_buffer( mlt_frame frame, AVCodecContext *codec_context, uint8_t **buffer, mlt_image_format *format, int *width, int *height )
{
int size = 0;
if ( codec_context->width == 0 || codec_context->height == 0 )
return size;
+ if ( *format == mlt_image_glsl )
+ *format = pick_pix_format( codec_context->pix_fmt );
+
*width = codec_context->width;
*height = codec_context->height;
- mlt_properties_set_int( frame_properties, "width", *width );
- mlt_properties_set_int( frame_properties, "height", *height );
-
- if ( codec_context->pix_fmt == PIX_FMT_RGB32 )
- size = *width * ( *height + 1 ) * 4;
- else switch ( *format )
- {
- case mlt_image_yuv420p:
- size = *width * 3 * ( *height + 1 ) / 2;
- break;
- case mlt_image_rgb24:
- size = *width * ( *height + 1 ) * 3;
- break;
- case mlt_image_rgb24a:
- case mlt_image_opengl:
- size = *width * ( *height + 1 ) * 4;
- break;
- default:
- *format = mlt_image_yuv422;
- size = *width * ( *height + 1 ) * 2;
- break;
- }
-
- // Construct the output image
+ size = mlt_image_format_size( *format, *width, *height, NULL );
*buffer = mlt_pool_alloc( size );
if ( *buffer )
- mlt_properties_set_data( frame_properties, "image", *buffer, size, mlt_pool_release, NULL );
+ mlt_frame_set_image( frame, *buffer, size, mlt_pool_release );
else
size = 0;
static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
{
// Get the producer
- producer_avformat this = mlt_frame_pop_service( frame );
- mlt_producer producer = this->parent;
+ producer_avformat self = mlt_frame_pop_service( frame );
+ mlt_producer producer = self->parent;
// Get the properties from the frame
mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
// Obtain the frame number of this frame
- mlt_position position = mlt_properties_get_position( frame_properties, "avformat_position" );
+ mlt_position position = mlt_frame_original_position( frame );
// Get the producer properties
mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
+ pthread_mutex_lock( &self->video_mutex );
+
+ uint8_t *alpha = NULL;
+ int got_picture = 0;
+ int image_size = 0;
+
// Fetch the video format context
- AVFormatContext *context = this->video_format;
+ AVFormatContext *context = self->video_format;
+ if ( !context )
+ goto exit_get_image;
// Get the video stream
- AVStream *stream = context->streams[ this->video_index ];
+ AVStream *stream = context->streams[ self->video_index ];
// Get codec context
AVCodecContext *codec_context = stream->codec;
// Get the image cache
- if ( ! this->image_cache && ! mlt_properties_get_int( properties, "noimagecache" ) )
- this->image_cache = mlt_cache_init();
- if ( this->image_cache )
+ if ( ! self->image_cache )
{
- mlt_cache_item item = mlt_cache_get( this->image_cache, (void*) position );
- *buffer = mlt_cache_item_data( item, format );
- if ( *buffer )
+ // if cache size supplied by environment variable
+ int cache_supplied = getenv( "MLT_AVFORMAT_CACHE" ) != NULL;
+ int cache_size = cache_supplied? atoi( getenv( "MLT_AVFORMAT_CACHE" ) ) : 0;
+
+ // cache size supplied via property
+ if ( mlt_properties_get( properties, "cache" ) )
{
+ cache_supplied = 1;
+ cache_size = mlt_properties_get_int( properties, "cache" );
+ }
+ if ( mlt_properties_get_int( properties, "noimagecache" ) )
+ cache_size = 0;
+ // create cache if not disabled
+ if ( !cache_supplied || cache_size > 0 )
+ self->image_cache = mlt_cache_init();
+ // set cache size if supplied
+ if ( self->image_cache && cache_supplied )
+ mlt_cache_set_size( self->image_cache, cache_size );
+ }
+ if ( self->image_cache )
+ {
+ mlt_frame original = mlt_cache_get_frame( self->image_cache, position );
+ if ( original )
+ {
+ mlt_properties orig_props = MLT_FRAME_PROPERTIES( original );
+ int size = 0;
+
+ *buffer = mlt_properties_get_data( orig_props, "alpha", &size );
+ if (*buffer)
+ mlt_frame_set_alpha( frame, *buffer, size, NULL );
+ *buffer = mlt_properties_get_data( orig_props, "image", &size );
+ mlt_frame_set_image( frame, *buffer, size, NULL );
+ mlt_properties_set_data( frame_properties, "avformat.image_cache", original, 0, (mlt_destructor) mlt_frame_close, NULL );
+ *format = mlt_properties_get_int( orig_props, "format" );
+
// Set the resolution
*width = codec_context->width;
*height = codec_context->height;
- mlt_properties_set_int( frame_properties, "width", *width );
- mlt_properties_set_int( frame_properties, "height", *height );
- // Cache hit
- int size;
- switch ( *format )
- {
- case mlt_image_yuv420p:
- size = *width * 3 * ( *height + 1 ) / 2;
- break;
- case mlt_image_rgb24:
- size = *width * ( *height + 1 ) * 3;
- break;
- case mlt_image_rgb24a:
- case mlt_image_opengl:
- size = *width * ( *height + 1 ) * 4;
- break;
- default:
- *format = mlt_image_yuv422;
- size = *width * ( *height + 1 ) * 2;
- break;
- }
- mlt_properties_set_data( frame_properties, "avformat.image_cache", item, 0, ( mlt_destructor )mlt_cache_item_close, NULL );
- mlt_properties_set_data( frame_properties, "image", *buffer, size, NULL, NULL );
- this->top_field_first = mlt_properties_get_int( frame_properties, "top_field_first" );
+ // Workaround 1088 encodings missing cropping info.
+ if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
+ *height = 1080;
+ got_picture = 1;
goto exit_get_image;
}
}
// Cache miss
- int image_size = 0;
-
- avformat_lock();
-
- // Packet
- AVPacket pkt;
-
- // Special case pause handling flag
- int paused = 0;
-
- // Special case ffwd handling
- int ignore = 0;
// We may want to use the source fps if available
- double source_fps = mlt_properties_get_double( properties, "source_fps" );
- double fps = mlt_producer_get_fps( producer );
+ double source_fps = mlt_properties_get_double( properties, "meta.media.frame_rate_num" ) /
+ mlt_properties_get_double( properties, "meta.media.frame_rate_den" );
// This is the physical frame position in the source
- int req_position = ( int )( position / fps * source_fps + 0.5 );
+ int64_t req_position = ( int64_t )( position / mlt_producer_get_fps( producer ) * source_fps + 0.5 );
// Determines if we have to decode all frames in a sequence
// Temporary hack to improve intra frame only
- int must_decode = strcmp( codec_context->codec->name, "dnxhd" ) &&
+ int must_decode = !( codec_context->codec && codec_context->codec->name ) || (
+ strcmp( codec_context->codec->name, "dnxhd" ) &&
strcmp( codec_context->codec->name, "dvvideo" ) &&
strcmp( codec_context->codec->name, "huffyuv" ) &&
strcmp( codec_context->codec->name, "mjpeg" ) &&
- strcmp( codec_context->codec->name, "rawvideo" );
+ strcmp( codec_context->codec->name, "rawvideo" ) );
- int last_position = this->last_position;
-
- // Turn on usage of new seek API and PTS for seeking
- int use_new_seek = codec_context->codec_id == CODEC_ID_H264 && !strcmp( context->iformat->name, "mpegts" );
- if ( mlt_properties_get( properties, "new_seek" ) )
- use_new_seek = mlt_properties_get_int( properties, "new_seek" );
+ double delay = mlt_properties_get_double( properties, "video_delay" );
// Seek if necessary
- if ( position != this->video_expected || last_position < 0 )
- {
- if ( this->av_frame && position + 1 == this->video_expected )
- {
- // We're paused - use last image
- paused = 1;
- }
- else if ( !this->seekable && position > this->video_expected && ( position - this->video_expected ) < 250 )
- {
- // Fast forward - seeking is inefficient for small distances - just ignore following frames
- ignore = ( int )( ( position - this->video_expected ) / fps * source_fps );
- codec_context->skip_loop_filter = AVDISCARD_NONREF;
- }
- else if ( this->seekable && ( position < this->video_expected || position - this->video_expected >= 12 || last_position < 0 ) )
- {
- if ( use_new_seek && last_position == POSITION_INITIAL )
- {
- // find first key frame
- int ret = 0;
- int toscan = 100;
-
- while ( ret >= 0 && toscan-- > 0 )
- {
- ret = av_read_frame( context, &pkt );
- if ( ret >= 0 && ( pkt.flags & PKT_FLAG_KEY ) && pkt.stream_index == this->video_index )
- {
- mlt_log_verbose( MLT_PRODUCER_SERVICE(producer), "first_pts %lld dts %lld pts_dts_delta %d\n", pkt.pts, pkt.dts, (int)(pkt.pts - pkt.dts) );
- this->first_pts = pkt.pts;
- toscan = 0;
- }
- av_free_packet( &pkt );
- }
- // Rewind
- av_seek_frame( context, -1, 0, AVSEEK_FLAG_BACKWARD );
- }
-
- // Calculate the timestamp for the requested frame
- int64_t timestamp;
- if ( use_new_seek )
- {
- timestamp = ( req_position - 0.1 / source_fps ) /
- ( av_q2d( stream->time_base ) * source_fps );
- mlt_log_verbose( MLT_PRODUCER_SERVICE(producer), "pos %d pts %lld ", req_position, timestamp );
- if ( this->first_pts > 0 )
- timestamp += this->first_pts;
- else if ( context->start_time != AV_NOPTS_VALUE )
- timestamp += context->start_time;
- }
- else
- {
- timestamp = ( int64_t )( ( double )req_position / source_fps * AV_TIME_BASE + 0.5 );
- if ( context->start_time != AV_NOPTS_VALUE )
- timestamp += context->start_time;
- }
- if ( must_decode )
- timestamp -= AV_TIME_BASE;
- if ( timestamp < 0 )
- timestamp = 0;
- mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "seeking timestamp %lld position %d expected %d last_pos %d\n",
- timestamp, position, this->video_expected, last_position );
-
- // Seek to the timestamp
- if ( use_new_seek )
- {
- codec_context->skip_loop_filter = AVDISCARD_NONREF;
- av_seek_frame( context, this->video_index, timestamp, AVSEEK_FLAG_BACKWARD );
- }
- else
- {
- av_seek_frame( context, -1, timestamp, AVSEEK_FLAG_BACKWARD );
- }
-
- // Remove the cached info relating to the previous position
- this->current_position = POSITION_INVALID;
- this->last_position = POSITION_INVALID;
- av_freep( &this->av_frame );
-
- if ( use_new_seek )
- {
- // flush any pictures still in decode buffer
- avcodec_flush_buffers( codec_context );
- }
- }
- }
-
- // Duplicate the last image if necessary (see comment on rawvideo below)
- if ( this->av_frame && this->got_picture && this->seekable
- && ( paused
- || this->current_position == req_position
- || ( !use_new_seek && this->current_position > req_position ) ) )
+ const char *interp = mlt_properties_get( frame_properties, "rescale.interp" );
+ int preseek = must_decode
+#if defined(FFUDIV) && LIBAVFORMAT_VERSION_INT >= ((53<<16)+(24<<8)+2)
+ && ( interp && strcmp( interp, "nearest" ) )
+#endif
+ && codec_context->has_b_frames;
+ int paused = seek_video( self, position, req_position, preseek );
+
+ // Seek might have reopened the file
+ context = self->video_format;
+ stream = context->streams[ self->video_index ];
+ codec_context = stream->codec;
+ if ( *format == mlt_image_none ||
+ codec_context->pix_fmt == PIX_FMT_ARGB ||
+ codec_context->pix_fmt == PIX_FMT_RGBA ||
+ codec_context->pix_fmt == PIX_FMT_ABGR ||
+ codec_context->pix_fmt == PIX_FMT_BGRA )
+ *format = pick_pix_format( codec_context->pix_fmt );
+
+ // Duplicate the last image if necessary
+ if ( self->video_frame && self->video_frame->linesize[0]
+ && ( paused || self->current_position >= req_position ) )
{
// Duplicate it
- if ( ( image_size = allocate_buffer( frame_properties, codec_context, buffer, format, width, height ) ) )
+ if ( ( image_size = allocate_buffer( frame, codec_context, buffer, format, width, height ) ) )
+ {
+ // Workaround 1088 encodings missing cropping info.
+ if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
+ *height = 1080;
#ifdef VDPAU
- if ( this->vdpau && this->vdpau->buffer )
+ if ( self->vdpau && self->vdpau->buffer )
{
AVPicture picture;
- picture.data[0] = this->vdpau->buffer;
- picture.data[2] = this->vdpau->buffer + codec_context->width * codec_context->height;
- picture.data[1] = this->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
+ picture.data[0] = self->vdpau->buffer;
+ picture.data[2] = self->vdpau->buffer + codec_context->width * codec_context->height;
+ picture.data[1] = self->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
picture.linesize[0] = codec_context->width;
picture.linesize[1] = codec_context->width / 2;
picture.linesize[2] = codec_context->width / 2;
- convert_image( (AVFrame*) &picture, *buffer, PIX_FMT_YUV420P, format, *width, *height );
+ convert_image( self, (AVFrame*) &picture, *buffer,
+ PIX_FMT_YUV420P, format, *width, *height, &alpha );
}
else
#endif
- convert_image( this->av_frame, *buffer, codec_context->pix_fmt, format, *width, *height );
- else
- mlt_frame_get_image( frame, buffer, format, width, height, writable );
+ convert_image( self, self->video_frame, *buffer, codec_context->pix_fmt,
+ format, *width, *height, &alpha );
+ got_picture = 1;
+ }
}
else
{
int ret = 0;
- int int_position = 0;
+ int64_t int_position = 0;
int decode_errors = 0;
- int got_picture = 0;
-
- av_init_packet( &pkt );
// Construct an AVFrame for YUV422 conversion
- if ( !this->av_frame )
- this->av_frame = avcodec_alloc_frame( );
+ if ( !self->video_frame )
+ self->video_frame = avcodec_alloc_frame( );
while( ret >= 0 && !got_picture )
{
// Read a packet
- ret = av_read_frame( context, &pkt );
-
- // We only deal with video from the selected video_index
- if ( ret >= 0 && pkt.stream_index == this->video_index && pkt.size > 0 )
+ if ( self->pkt.stream_index == self->video_index )
+ av_free_packet( &self->pkt );
+ av_init_packet( &self->pkt );
+ pthread_mutex_lock( &self->packets_mutex );
+ if ( mlt_deque_count( self->vpackets ) )
{
- // Determine time code of the packet
- if ( use_new_seek )
- {
- int64_t pts = pkt.pts;
- if ( this->first_pts > 0 )
- pts -= this->first_pts;
- else if ( context->start_time != AV_NOPTS_VALUE )
- pts -= context->start_time;
- int_position = ( int )( av_q2d( stream->time_base ) * pts * source_fps + 0.1 );
- if ( pkt.pts == AV_NOPTS_VALUE )
- {
- this->invalid_pts_counter++;
- if ( this->invalid_pts_counter > 20 )
- {
- mlt_log_panic( MLT_PRODUCER_SERVICE(producer), "\ainvalid PTS; DISABLING NEW_SEEK!\n" );
- mlt_properties_set_int( properties, "new_seek", 0 );
- int_position = req_position;
- use_new_seek = 0;
- }
- }
- else
+ AVPacket *tmp = (AVPacket*) mlt_deque_pop_front( self->vpackets );
+ self->pkt = *tmp;
+ free( tmp );
+ }
+ else
+ {
+ ret = av_read_frame( context, &self->pkt );
+ if ( ret >= 0 && !self->seekable && self->pkt.stream_index == self->audio_index )
+ {
+ if ( !av_dup_packet( &self->pkt ) )
{
- this->invalid_pts_counter = 0;
+ AVPacket *tmp = malloc( sizeof(AVPacket) );
+ *tmp = self->pkt;
+ mlt_deque_push_back( self->apackets, tmp );
}
- mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "pkt.pts %llu req_pos %d cur_pos %d pkt_pos %d\n",
- pkt.pts, req_position, this->current_position, int_position );
}
- else
+ else if ( ret < 0 )
{
- if ( pkt.dts != AV_NOPTS_VALUE )
- {
- int_position = ( int )( av_q2d( stream->time_base ) * pkt.dts * source_fps + 0.5 );
- if ( context->start_time != AV_NOPTS_VALUE )
- int_position -= ( int )( context->start_time * source_fps / AV_TIME_BASE + 0.5 );
- last_position = this->last_position;
- if ( int_position == last_position )
- int_position = last_position + 1;
- }
- else
+ mlt_log_verbose( MLT_PRODUCER_SERVICE(producer), "av_read_frame returned error %d inside get_image\n", ret );
+ if ( !self->seekable && mlt_properties_get_int( properties, "reconnect" ) )
{
- int_position = req_position;
+ // Try to reconnect to live sources by closing context and codecs,
+ // and letting next call to get_frame() reopen.
+ prepare_reopen( self );
+ pthread_mutex_unlock( &self->packets_mutex );
+ goto exit_get_image;
}
- mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "pkt.dts %llu req_pos %d cur_pos %d pkt_pos %d\n",
- pkt.dts, req_position, this->current_position, int_position );
- // Make a dumb assumption on streams that contain wild timestamps
- if ( abs( req_position - int_position ) > 999 )
+ if ( !self->seekable && mlt_properties_get_int( properties, "exit_on_disconnect" ) )
{
- int_position = req_position;
- mlt_log_debug( MLT_PRODUCER_SERVICE(producer), " WILD TIMESTAMP!" );
+ mlt_log_fatal( MLT_PRODUCER_SERVICE(producer), "Exiting with error due to disconnected source.\n" );
+ exit( EXIT_FAILURE );
}
}
- this->last_position = int_position;
+ }
+ pthread_mutex_unlock( &self->packets_mutex );
+
+ // We only deal with video from the selected video_index
+ if ( ret >= 0 && self->pkt.stream_index == self->video_index && self->pkt.size > 0 )
+ {
+ int64_t pts = best_pts( self, self->pkt.pts, self->pkt.dts );
+ if ( pts != AV_NOPTS_VALUE )
+ {
+ if ( !self->seekable && self->first_pts == AV_NOPTS_VALUE )
+ self->first_pts = pts;
+ if ( self->first_pts != AV_NOPTS_VALUE )
+ pts -= self->first_pts;
+ else if ( context->start_time != AV_NOPTS_VALUE )
+ pts -= context->start_time;
+ int_position = ( int64_t )( ( av_q2d( self->video_time_base ) * pts + delay ) * source_fps + 0.5 );
+ if ( int_position == self->last_position )
+ int_position = self->last_position + 1;
+ }
+ mlt_log_debug( MLT_PRODUCER_SERVICE(producer),
+ "V pkt.pts %"PRId64" pkt.dts %"PRId64" req_pos %"PRId64" cur_pos %"PRId64" pkt_pos %"PRId64"\n",
+ self->pkt.pts, self->pkt.dts, req_position, self->current_position, int_position );
+
+ // Make a dumb assumption on streams that contain wild timestamps
+ if ( abs( req_position - int_position ) > 999 )
+ {
+ int_position = req_position;
+ mlt_log_warning( MLT_PRODUCER_SERVICE(producer), " WILD TIMESTAMP!\n" );
+ }
+ self->last_position = int_position;
// Decode the image
if ( must_decode || int_position >= req_position )
{
#ifdef VDPAU
- if ( g_vdpau && this->vdpau )
+ if ( self->vdpau )
{
- if ( g_vdpau->producer != this )
+ if ( self->vdpau->decoder == VDP_INVALID_HANDLE )
{
- vdpau_decoder_close();
- vdpau_decoder_init( this );
+ vdpau_decoder_init( self );
}
- if ( this->vdpau )
- this->vdpau->is_decoded = 0;
+ self->vdpau->is_decoded = 0;
}
#endif
- codec_context->reordered_opaque = pkt.pts;
+ codec_context->reordered_opaque = int_position;
if ( int_position >= req_position )
codec_context->skip_loop_filter = AVDISCARD_NONE;
#if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(26<<8)+0))
- ret = avcodec_decode_video2( codec_context, this->av_frame, &got_picture, &pkt );
+ ret = avcodec_decode_video2( codec_context, self->video_frame, &got_picture, &self->pkt );
#else
- ret = avcodec_decode_video( codec_context, this->av_frame, &got_picture, pkt.data, pkt.size );
+ ret = avcodec_decode_video( codec_context, self->video_frame, &got_picture, self->pkt.data, self->pkt.size );
#endif
// Note: decode may fail at the beginning of MPEGfile (B-frames referencing before first I-frame), so allow a few errors.
if ( ret < 0 )
{
if ( ++decode_errors <= 10 )
ret = 0;
+ else
+ mlt_log_warning( MLT_PRODUCER_SERVICE(producer), "video decoding error %d\n", ret );
}
else
{
if ( got_picture )
{
- if ( use_new_seek )
+ // Get position of reordered frame
+ int_position = self->video_frame->reordered_opaque;
+#if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(106<<8)+0))
+ pts = best_pts( self, self->video_frame->pkt_pts, self->video_frame->pkt_dts );
+ if ( pts != AV_NOPTS_VALUE )
{
- // Determine time code of the packet
- int64_t pts = this->av_frame->reordered_opaque;
- if ( this->first_pts > 0 )
- pts -= this->first_pts;
+ if ( self->first_pts != AV_NOPTS_VALUE )
+ pts -= self->first_pts;
else if ( context->start_time != AV_NOPTS_VALUE )
pts -= context->start_time;
- int_position = ( int )( av_q2d( stream->time_base) * pts * source_fps + 0.1 );
- mlt_log_verbose( MLT_PRODUCER_SERVICE(producer), "got frame %d, key %d\n", int_position, this->av_frame->key_frame );
+ int_position = ( int64_t )( ( av_q2d( self->video_time_base ) * pts + delay ) * source_fps + 0.5 );
}
- // Handle ignore
+#endif
+
if ( int_position < req_position )
- {
- ignore = 0;
got_picture = 0;
- }
else if ( int_position >= req_position )
- {
- ignore = 0;
codec_context->skip_loop_filter = AVDISCARD_NONE;
- }
- else if ( ignore -- )
- {
- got_picture = 0;
- }
}
- mlt_log_debug( MLT_PRODUCER_SERVICE(producer), " got_pic %d key %d\n", got_picture, pkt.flags & PKT_FLAG_KEY );
- av_free_packet( &pkt );
- }
- else if ( ret >= 0 )
- {
- av_free_packet( &pkt );
+ mlt_log_debug( MLT_PRODUCER_SERVICE(producer), " got_pic %d key %d\n", got_picture, self->pkt.flags & PKT_FLAG_KEY );
}
// Now handle the picture if we have one
if ( got_picture )
{
- if ( ( image_size = allocate_buffer( frame_properties, codec_context, buffer, format, width, height ) ) )
+ if ( ( image_size = allocate_buffer( frame, codec_context, buffer, format, width, height ) ) )
{
+ // Workaround 1088 encodings missing cropping info.
+ if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
+ *height = 1080;
#ifdef VDPAU
- if ( this->vdpau )
+ if ( self->vdpau )
{
- if ( this->vdpau->is_decoded )
+ if ( self->vdpau->is_decoded )
{
- struct vdpau_render_state *render = (struct vdpau_render_state*) this->av_frame->data[0];
+ struct vdpau_render_state *render = (struct vdpau_render_state*) self->video_frame->data[0];
void *planes[3];
uint32_t pitches[3];
VdpYCbCrFormat dest_format = VDP_YCBCR_FORMAT_YV12;
- AVPicture picture;
- if ( !this->vdpau->buffer )
- this->vdpau->buffer = mlt_pool_alloc( codec_context->width * codec_context->height * 3 / 2 );
- picture.data[0] = planes[0] = this->vdpau->buffer;
- picture.data[2] = planes[1] = this->vdpau->buffer + codec_context->width * codec_context->height;
- picture.data[1] = planes[2] = this->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
- picture.linesize[0] = pitches[0] = codec_context->width;
- picture.linesize[1] = pitches[1] = codec_context->width / 2;
- picture.linesize[2] = pitches[2] = codec_context->width / 2;
+ if ( !self->vdpau->buffer )
+ self->vdpau->buffer = mlt_pool_alloc( codec_context->width * codec_context->height * 3 / 2 );
+ self->video_frame->data[0] = planes[0] = self->vdpau->buffer;
+ self->video_frame->data[2] = planes[1] = self->vdpau->buffer + codec_context->width * codec_context->height;
+ self->video_frame->data[1] = planes[2] = self->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
+ self->video_frame->linesize[0] = pitches[0] = codec_context->width;
+ self->video_frame->linesize[1] = pitches[1] = codec_context->width / 2;
+ self->video_frame->linesize[2] = pitches[2] = codec_context->width / 2;
VdpStatus status = vdp_surface_get_bits( render->surface, dest_format, planes, pitches );
if ( status == VDP_STATUS_OK )
{
- convert_image( (AVFrame*) &picture, *buffer, PIX_FMT_YUV420P, format, *width, *height );
+ convert_image( self, self->video_frame, *buffer, PIX_FMT_YUV420P,
+ format, *width, *height, &alpha );
}
else
{
mlt_log_error( MLT_PRODUCER_SERVICE(producer), "VDPAU Error: %s\n", vdp_get_error_string( status ) );
- this->vdpau->is_decoded = 0;
+ image_size = self->vdpau->is_decoded = 0;
}
}
else
{
mlt_log_error( MLT_PRODUCER_SERVICE(producer), "VDPAU error in VdpDecoderRender\n" );
- got_picture = 0;
+ image_size = got_picture = 0;
}
}
else
#endif
- convert_image( this->av_frame, *buffer, codec_context->pix_fmt, format, *width, *height );
- this->top_field_first |= this->av_frame->top_field_first;
- this->current_position = int_position;
- this->got_picture = 1;
+ convert_image( self, self->video_frame, *buffer, codec_context->pix_fmt,
+ format, *width, *height, &alpha );
+ self->top_field_first |= self->video_frame->top_field_first;
+ self->current_position = int_position;
}
else
{
got_picture = 0;
}
}
+
+ // Free packet data if not video and not live audio packet
+ if ( self->pkt.stream_index != self->video_index &&
+ !( !self->seekable && self->pkt.stream_index == self->audio_index ) )
+ av_free_packet( &self->pkt );
}
- if ( !got_picture )
- mlt_frame_get_image( frame, buffer, format, width, height, writable );
}
- // Very untidy - for rawvideo, the packet contains the frame, hence the free packet
- // above will break the pause behaviour - so we wipe the frame now
- if ( !strcmp( codec_context->codec->name, "rawvideo" ) )
- av_freep( &this->av_frame );
+ // set alpha
+ if ( alpha )
+ mlt_frame_set_alpha( frame, alpha, (*width) * (*height), mlt_pool_release );
- avformat_unlock();
+ if ( image_size > 0 && self->image_cache )
+ {
+ mlt_properties_set_int( frame_properties, "format", *format );
+ mlt_cache_put_frame( self->image_cache, frame );
+ }
- if ( this->got_picture && image_size > 0 && this->image_cache )
+ // Try to duplicate last image if there was a decoding failure
+ // TODO: with multithread decoding a partial frame decoding resulting
+ // in failure also resets av_frame making test below fail.
+ if ( !image_size && self->video_frame && self->video_frame->linesize[0] )
{
- // Copy buffer to image cache
- uint8_t *image = mlt_pool_alloc( image_size );
- memcpy( image, *buffer, image_size );
- mlt_cache_put( this->image_cache, (void*) position, image, *format, mlt_pool_release );
+ // Duplicate it
+ if ( ( image_size = allocate_buffer( frame, codec_context, buffer, format, width, height ) ) )
+ {
+ // Workaround 1088 encodings missing cropping info.
+ if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
+ *height = 1080;
+#ifdef VDPAU
+ if ( self->vdpau && self->vdpau->buffer )
+ {
+ AVPicture picture;
+ picture.data[0] = self->vdpau->buffer;
+ picture.data[2] = self->vdpau->buffer + codec_context->width * codec_context->height;
+ picture.data[1] = self->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
+ picture.linesize[0] = codec_context->width;
+ picture.linesize[1] = codec_context->width / 2;
+ picture.linesize[2] = codec_context->width / 2;
+ convert_image( self, (AVFrame*) &picture, *buffer,
+ PIX_FMT_YUV420P, format, *width, *height, &alpha );
+ }
+ else
+#endif
+ convert_image( self, self->video_frame, *buffer, codec_context->pix_fmt,
+ format, *width, *height, &alpha );
+ got_picture = 1;
+ }
}
+ // Regardless of speed, we expect to get the next frame (cos we ain't too bright)
+ self->video_expected = position + 1;
+
exit_get_image:
+
+ pthread_mutex_unlock( &self->video_mutex );
+
// Set the progressive flag
if ( mlt_properties_get( properties, "force_progressive" ) )
mlt_properties_set_int( frame_properties, "progressive", !!mlt_properties_get_int( properties, "force_progressive" ) );
- else
- mlt_properties_set_int( frame_properties, "progressive", !this->av_frame->interlaced_frame );
+ else if ( self->video_frame )
+ mlt_properties_set_int( frame_properties, "progressive", !self->video_frame->interlaced_frame );
// Set the field order property for this frame
- mlt_properties_set_int( frame_properties, "top_field_first", this->top_field_first );
+ if ( mlt_properties_get( properties, "force_tff" ) )
+ mlt_properties_set_int( frame_properties, "top_field_first", !!mlt_properties_get_int( properties, "force_tff" ) );
+ else
+ mlt_properties_set_int( frame_properties, "top_field_first", self->top_field_first );
- // Regardless of speed, we expect to get the next frame (cos we ain't too bright)
- this->video_expected = position + 1;
+ // Set immutable properties of the selected track's (or overridden) source attributes.
+ mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
+ mlt_properties_set_int( properties, "meta.media.top_field_first", self->top_field_first );
+ mlt_properties_set_int( properties, "meta.media.progressive", mlt_properties_get_int( frame_properties, "progressive" ) );
+ mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
- return 0;
+ // If we already have RGB, then the full range processing either happened already
+ // or does not apply (RGB source).
+ if ( *format == mlt_image_rgb24 || *format == mlt_image_rgb24a || *format == mlt_image_opengl )
+ mlt_properties_set( frame_properties, "force_full_luma", NULL );
+
+ return !got_picture;
}
/** Process properties as AVOptions and apply to AV context obj
for ( i = 0; i < count; i++ )
{
const char *opt_name = mlt_properties_get_name( properties, i );
+#if LIBAVUTIL_VERSION_INT >= ((51<<16)+(10<<8)+0)
+ const AVOption *opt = av_opt_find( obj, opt_name, NULL, flags, flags );
+#else
const AVOption *opt = av_find_opt( obj, opt_name, NULL, flags, flags );
- if ( opt )
-#if LIBAVCODEC_VERSION_INT >= ((52<<16)+(7<<8)+0)
- av_set_string3( obj, opt_name, mlt_properties_get( properties, opt_name), 0, NULL );
+#endif
+ if ( opt_name && mlt_properties_get( properties, opt_name ) )
+ {
+ if ( opt )
+#if LIBAVUTIL_VERSION_INT >= ((51<<16)+(12<<8)+0)
+ av_opt_set( obj, opt_name, mlt_properties_get( properties, opt_name), 0 );
+#elif LIBAVCODEC_VERSION_INT >= ((52<<16)+(7<<8)+0)
+ av_set_string3( obj, opt_name, mlt_properties_get( properties, opt_name), 0, NULL );
#elif LIBAVCODEC_VERSION_INT >= ((51<<16)+(59<<8)+0)
- av_set_string2( obj, opt_name, mlt_properties_get( properties, opt_name), 0 );
+ av_set_string2( obj, opt_name, mlt_properties_get( properties, opt_name), 0 );
#else
- av_set_string( obj, opt_name, mlt_properties_get( properties, opt_name) );
+ av_set_string( obj, opt_name, mlt_properties_get( properties, opt_name) );
#endif
+ }
}
}
/** Initialize the video codec context.
*/
-static int video_codec_init( producer_avformat this, int index, mlt_properties properties )
+static int video_codec_init( producer_avformat self, int index, mlt_properties properties )
{
// Initialise the codec if necessary
- if ( !this->video_codec )
+ if ( !self->video_codec )
{
// Get the video stream
- AVStream *stream = this->video_format->streams[ index ];
+ AVStream *stream = self->video_format->streams[ index ];
// Get codec context
AVCodecContext *codec_context = stream->codec;
// Find the codec
AVCodec *codec = avcodec_find_decoder( codec_context->codec_id );
#ifdef VDPAU
- if ( codec_context->codec_id == CODEC_ID_H264 )
+ if ( codec_context->codec_id == AV_CODEC_ID_H264 )
{
if ( ( codec = avcodec_find_decoder_by_name( "h264_vdpau" ) ) )
{
- if ( vdpau_init( this ) )
+ if ( vdpau_init( self ) )
{
- this->video_codec = codec_context;
- if ( !vdpau_decoder_init( this ) )
- vdpau_decoder_close();
+ self->video_codec = codec_context;
+ if ( !vdpau_decoder_init( self ) )
+ vdpau_fini( self );
}
}
- if ( !this->vdpau )
+ if ( !self->vdpau )
codec = avcodec_find_decoder( codec_context->codec_id );
}
#endif
if ( thread_count == 0 && getenv( "MLT_AVFORMAT_THREADS" ) )
thread_count = atoi( getenv( "MLT_AVFORMAT_THREADS" ) );
if ( thread_count > 1 )
- {
- avcodec_thread_init( codec_context, thread_count );
codec_context->thread_count = thread_count;
- }
// If we don't have a codec and we can't initialise it, we can't do much more...
- avformat_lock( );
+ pthread_mutex_lock( &self->open_mutex );
+#if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
+ if ( codec && avcodec_open2( codec_context, codec, NULL ) >= 0 )
+#else
if ( codec && avcodec_open( codec_context, codec ) >= 0 )
+#endif
{
// Now store the codec with its destructor
- this->video_codec = codec_context;
+ self->video_codec = codec_context;
}
else
{
// Remember that we can't use this later
- this->video_index = -1;
+ self->video_index = -1;
+ pthread_mutex_unlock( &self->open_mutex );
+ return 0;
}
- avformat_unlock( );
+ pthread_mutex_unlock( &self->open_mutex );
// Process properties as AVOptions
apply_properties( codec_context, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
+#if LIBAVCODEC_VERSION_INT >= ((52<<16)+(122<<8)+0)
+ if ( codec->priv_class && codec_context->priv_data )
+ apply_properties( codec_context->priv_data, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
+#endif
// Reset some image properties
- mlt_properties_set_int( properties, "width", this->video_codec->width );
- mlt_properties_set_int( properties, "height", this->video_codec->height );
- // For DV, we'll just use the saved aspect ratio
- if ( codec_context->codec_id != CODEC_ID_DVVIDEO )
- mlt_properties_set_double( properties, "aspect_ratio", get_aspect_ratio( stream, this->video_codec, NULL ) );
-
- // Determine the fps first from the codec
- double source_fps = (double) this->video_codec->time_base.den /
- ( this->video_codec->time_base.num == 0 ? 1 : this->video_codec->time_base.num );
-
+ if ( self->video_codec )
+ {
+ mlt_properties_set_int( properties, "width", self->video_codec->width );
+ mlt_properties_set_int( properties, "height", self->video_codec->height );
+ get_aspect_ratio( properties, stream, self->video_codec );
+ }
+
+ // Start with the muxer frame rate.
+#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(42<<8)+0)
+ AVRational frame_rate = stream->avg_frame_rate;
+#else
+ AVRational frame_rate = stream->r_frame_rate;
+#endif
+ double fps = av_q2d( frame_rate );
+
+#if LIBAVFORMAT_VERSION_MAJOR < 55
+ // Verify and sanitize the muxer frame rate.
+ if ( isnan( fps ) || isinf( fps ) || fps == 0 )
+ {
+ frame_rate = stream->r_frame_rate;
+ fps = av_q2d( frame_rate );
+ }
+#endif
+#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(42<<8)+0) && LIBAVFORMAT_VERSION_MAJOR < 55
+ // With my samples when r_frame_rate != 1000 but avg_frame_rate is valid,
+ // avg_frame_rate gives some approximate value that does not well match the media.
+ // Also, on my sample where r_frame_rate = 1000, using avg_frame_rate directly
+ // results in some very choppy output, but some value slightly different works
+ // great.
+ if ( av_q2d( stream->r_frame_rate ) >= 1000 && av_q2d( stream->avg_frame_rate ) > 0 )
+ {
+ frame_rate = av_d2q( av_q2d( stream->avg_frame_rate ), 1024 );
+ fps = av_q2d( frame_rate );
+ }
+#endif
+ // XXX frame rates less than 1 fps are not considered sane
+ if ( isnan( fps ) || isinf( fps ) || fps < 1.0 )
+ {
+ // Get the frame rate from the codec.
+ frame_rate.num = self->video_codec->time_base.den;
+ frame_rate.den = self->video_codec->time_base.num * self->video_codec->ticks_per_frame;
+ fps = av_q2d( frame_rate );
+ }
+ if ( isnan( fps ) || isinf( fps ) || fps < 1.0 )
+ {
+ // Use the profile frame rate if all else fails.
+ mlt_profile profile = mlt_service_profile( MLT_PRODUCER_SERVICE( self->parent ) );
+ frame_rate.num = profile->frame_rate_num;
+ frame_rate.den = profile->frame_rate_den;
+ }
+
+ self->video_time_base = stream->time_base;
if ( mlt_properties_get( properties, "force_fps" ) )
{
- source_fps = mlt_properties_get_double( properties, "force_fps" );
- stream->time_base = av_d2q( source_fps, 255 );
+ AVRational force_fps = av_d2q( mlt_properties_get_double( properties, "force_fps" ), 1024 );
+ self->video_time_base = av_mul_q( stream->time_base, av_div_q( frame_rate, force_fps ) );
+ frame_rate = force_fps;
}
- else
+ mlt_properties_set_int( properties, "meta.media.frame_rate_num", frame_rate.num );
+ mlt_properties_set_int( properties, "meta.media.frame_rate_den", frame_rate.den );
+
+ // Set the YUV colorspace from override or detect
+ self->yuv_colorspace = mlt_properties_get_int( properties, "force_colorspace" );
+#if LIBAVCODEC_VERSION_INT > ((52<<16)+(28<<8)+0)
+ if ( ! self->yuv_colorspace )
{
- // If the muxer reports a frame rate different than the codec
- double muxer_fps = av_q2d( stream->r_frame_rate );
- // Choose the lesser - the wrong tends to be off by some multiple of 10
- source_fps = FFMIN( source_fps, muxer_fps );
+ switch ( self->video_codec->colorspace )
+ {
+ case AVCOL_SPC_SMPTE240M:
+ self->yuv_colorspace = 240;
+ break;
+ case AVCOL_SPC_BT470BG:
+ case AVCOL_SPC_SMPTE170M:
+ self->yuv_colorspace = 601;
+ break;
+ case AVCOL_SPC_BT709:
+ self->yuv_colorspace = 709;
+ break;
+ default:
+ // This is a heuristic Charles Poynton suggests in "Digital Video and HDTV"
+ self->yuv_colorspace = self->video_codec->width * self->video_codec->height > 750000 ? 709 : 601;
+ break;
+ }
}
+#endif
+ // Let apps get chosen colorspace
+ mlt_properties_set_int( properties, "meta.media.colorspace", self->yuv_colorspace );
- // We'll use fps if it's available
- if ( source_fps > 0 )
- mlt_properties_set_double( properties, "source_fps", source_fps );
- else
- mlt_properties_set_double( properties, "source_fps", mlt_producer_get_fps( this->parent ) );
+ switch ( self->video_codec->color_primaries )
+ {
+ case AVCOL_PRI_BT470BG:
+ self->color_primaries = 601625;
+ break;
+ case AVCOL_PRI_SMPTE170M:
+ case AVCOL_PRI_SMPTE240M:
+ self->color_primaries = 601525;
+ break;
+ case AVCOL_PRI_BT709:
+ case AVCOL_PRI_UNSPECIFIED:
+ default:
+ self->color_primaries = 709;
+ break;
+ }
+
+ self->full_luma = -1;
+#if LIBAVCODEC_VERSION_INT >= ((52<<16)+(72<<8)+2)
+ mlt_log_debug( MLT_PRODUCER_SERVICE(self->parent), "color_range %d\n", codec_context->color_range );
+ if ( codec_context->color_range == AVCOL_RANGE_JPEG )
+ self->full_luma = 1;
+#endif
+ if ( mlt_properties_get( properties, "set.force_full_luma" ) )
+ self->full_luma = mlt_properties_get_int( properties, "set.force_full_luma" );
}
- return this->video_codec && this->video_index > -1;
+ return self->video_codec && self->video_index > -1;
}
/** Set up video handling.
*/
-static void producer_set_up_video( producer_avformat this, mlt_frame frame )
+static void producer_set_up_video( producer_avformat self, mlt_frame frame )
{
// Get the producer
- mlt_producer producer = this->parent;
+ mlt_producer producer = self->parent;
// Get the properties
mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
// Fetch the video format context
- AVFormatContext *context = this->video_format;
+ AVFormatContext *context = self->video_format;
// Get the video_index
int index = mlt_properties_get_int( properties, "video_index" );
+ int unlock_needed = 0;
+
// Reopen the file if necessary
if ( !context && index > -1 )
{
- mlt_events_block( properties, producer );
- producer_open( this, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
- mlt_properties_get( properties, "resource" ) );
- context = this->video_format;
- if ( this->dummy_context )
- {
- avformat_lock();
- av_close_input_file( this->dummy_context );
- avformat_unlock();
- }
- this->dummy_context = NULL;
- mlt_events_unblock( properties, producer );
- if ( this->audio_format )
- get_audio_streams_info( this );
-
- // Process properties as AVOptions
- apply_properties( context, properties, AV_OPT_FLAG_DECODING_PARAM );
+ unlock_needed = 1;
+ pthread_mutex_lock( &self->video_mutex );
+ producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
+ mlt_properties_get( properties, "resource" ), 0 );
+ context = self->video_format;
}
// Exception handling for video_index
}
// Update the video properties if the index changed
- if ( index != this->video_index )
+ if ( index != self->video_index )
{
// Reset the video properties if the index changed
- this->video_index = index;
- if ( this->video_codec )
- {
- avformat_lock();
- avcodec_close( this->video_codec );
- avformat_unlock();
- }
- this->video_codec = NULL;
+ self->video_index = index;
+ pthread_mutex_lock( &self->open_mutex );
+ if ( self->video_codec )
+ avcodec_close( self->video_codec );
+ self->video_codec = NULL;
+ pthread_mutex_unlock( &self->open_mutex );
}
// Get the frame properties
mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
// Get the codec
- if ( context && index > -1 && video_codec_init( this, index, properties ) )
+ if ( context && index > -1 && video_codec_init( self, index, properties ) )
{
// Set the frame properties
double force_aspect_ratio = mlt_properties_get_double( properties, "force_aspect_ratio" );
force_aspect_ratio : mlt_properties_get_double( properties, "aspect_ratio" );
// Set the width and height
- mlt_properties_set_int( frame_properties, "width", this->video_codec->width );
- mlt_properties_set_int( frame_properties, "height", this->video_codec->height );
- mlt_properties_set_int( frame_properties, "real_width", this->video_codec->width );
- mlt_properties_set_int( frame_properties, "real_height", this->video_codec->height );
+ mlt_properties_set_int( frame_properties, "width", self->video_codec->width );
+ mlt_properties_set_int( frame_properties, "height", self->video_codec->height );
+ mlt_properties_set_int( properties, "meta.media.width", self->video_codec->width );
+ mlt_properties_set_int( properties, "meta.media.height", self->video_codec->height );
mlt_properties_set_double( frame_properties, "aspect_ratio", aspect_ratio );
+ mlt_properties_set_int( frame_properties, "colorspace", self->yuv_colorspace );
+ mlt_properties_set_int( frame_properties, "color_primaries", self->color_primaries );
+ mlt_properties_set_int( frame_properties, "full_luma", self->full_luma );
+
+ // Workaround 1088 encodings missing cropping info.
+ if ( self->video_codec->height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
+ {
+ mlt_properties_set_int( properties, "meta.media.height", 1080 );
+ }
// Add our image operation
- mlt_frame_push_service( frame, this );
+ mlt_frame_push_service( frame, self );
mlt_frame_push_get_image( frame, producer_get_image );
}
else
// If something failed, use test card image
mlt_properties_set_int( frame_properties, "test_image", 1 );
}
+ if ( unlock_needed )
+ pthread_mutex_unlock( &self->video_mutex );
}
-static int seek_audio( producer_avformat this, mlt_position position, double timecode, int *ignore )
+static int seek_audio( producer_avformat self, mlt_position position, double timecode )
{
int paused = 0;
// Seek if necessary
- if ( position != this->audio_expected )
+ if ( self->seekable && ( position != self->audio_expected || self->last_position < 0 ) )
{
- if ( position + 1 == this->audio_expected )
+ if ( self->last_position == POSITION_INITIAL )
{
- // We're paused - silence required
- paused = 1;
+ int video_index = self->video_index;
+ if ( video_index == -1 )
+ video_index = first_video_index( self );
+ if ( video_index >= 0 )
+ find_first_pts( self, video_index );
}
- else if ( !this->seekable && position > this->audio_expected && ( position - this->audio_expected ) < 250 )
+
+ if ( position + 1 == self->audio_expected )
{
- // Fast forward - seeking is inefficient for small distances - just ignore following frames
- *ignore = position - this->audio_expected;
+ // We're paused - silence required
+ paused = 1;
}
- else if ( position < this->audio_expected || position - this->audio_expected >= 12 )
+ else if ( position < self->audio_expected || position - self->audio_expected >= 12 )
{
- AVFormatContext *context = this->audio_format;
+ AVFormatContext *context = self->audio_format;
int64_t timestamp = ( int64_t )( timecode * AV_TIME_BASE + 0.5 );
if ( context->start_time != AV_NOPTS_VALUE )
timestamp += context->start_time;
// Clear the usage in the audio buffer
int i = MAX_AUDIO_STREAMS + 1;
while ( --i )
- this->audio_used[i - 1] = 0;
+ self->audio_used[i - 1] = 0;
}
}
return paused;
}
-static int decode_audio( producer_avformat this, int *ignore, AVPacket *pkt, int channels, int samples, double timecode, double fps )
+static int sample_bytes( AVCodecContext *context )
+{
+#if LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0)
+ return av_get_bytes_per_sample( context->sample_fmt );
+#elif LIBAVCODEC_VERSION_MAJOR >= 53
+ return av_get_bits_per_sample_fmt( context->sample_fmt ) / 8;
+#else
+ return av_get_bits_per_sample_format( context->sample_fmt ) / 8;
+#endif
+}
+
+#if LIBAVCODEC_VERSION_MAJOR >= 55
+static void planar_to_interleaved( uint8_t *dest, AVFrame *src, int samples, int channels, int bytes_per_sample )
+{
+ int s, c;
+ for ( s = 0; s < samples; s++ )
+ {
+ for ( c = 0; c < channels; c++ )
+ {
+ memcpy( dest, &src->data[c][s * bytes_per_sample], bytes_per_sample );
+ dest += bytes_per_sample;
+ }
+ }
+}
+#else
+static void planar_to_interleaved( uint8_t *dest, uint8_t *src, int samples, int channels, int bytes_per_sample )
+{
+ int s, c;
+ for ( s = 0; s < samples; s++ )
+ {
+ for ( c = 0; c < channels; c++ )
+ {
+ memcpy( dest, src + ( c * samples + s ) * bytes_per_sample, bytes_per_sample );
+ dest += bytes_per_sample;
+ }
+ }
+}
+#endif
+
+static int decode_audio( producer_avformat self, int *ignore, AVPacket pkt, int channels, int samples, double timecode, double fps )
{
// Fetch the audio_format
- AVFormatContext *context = this->audio_format;
+ AVFormatContext *context = self->audio_format;
// Get the current stream index
- int index = pkt->stream_index;
+ int index = pkt.stream_index;
// Get codec context
- AVCodecContext *codec_context = this->audio_codec[ index ];
-
- // Obtain the resample context if it exists (not always needed)
- ReSampleContext *resample = this->audio_resample[ index ];
+ AVCodecContext *codec_context = self->audio_codec[ index ];
// Obtain the audio buffers
- int16_t *audio_buffer = this->audio_buffer[ index ];
- int16_t *decode_buffer = this->decode_buffer[ index ];
+ uint8_t *audio_buffer = self->audio_buffer[ index ];
+ uint8_t *decode_buffer = self->decode_buffer[ index ];
- int audio_used = this->audio_used[ index ];
- uint8_t *ptr = pkt->data;
- int len = pkt->size;
+ int audio_used = self->audio_used[ index ];
+ uint8_t *ptr = pkt.data;
+ int len = pkt.size;
int ret = 0;
while ( ptr && ret >= 0 && len > 0 )
{
- int data_size = sizeof( int16_t ) * AVCODEC_MAX_AUDIO_FRAME_SIZE;
+ int sizeof_sample = sample_bytes( codec_context );
+ int data_size = self->audio_buffer_size[ index ];
// Decode the audio
-#if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(26<<8)+0))
- ret = avcodec_decode_audio3( codec_context, decode_buffer, &data_size, pkt );
-#elif (LIBAVCODEC_VERSION_INT >= ((51<<16)+(29<<8)+0))
- ret = avcodec_decode_audio2( codec_context, decode_buffer, &data_size, ptr, len );
+#if LIBAVCODEC_VERSION_MAJOR >= 55
+ if ( !self->audio_frame )
+ self->audio_frame = avcodec_alloc_frame();
+ else
+ avcodec_get_frame_defaults( self->audio_frame );
+ ret = avcodec_decode_audio4( codec_context, self->audio_frame, &data_size, &pkt );
+ if ( data_size ) {
+ data_size = av_samples_get_buffer_size( NULL, codec_context->channels,
+ self->audio_frame->nb_samples, codec_context->sample_fmt, 1 );
+ decode_buffer = self->audio_frame->data[0];
+ }
#else
- ret = avcodec_decode_audio( codec_context, decode_buffer, &data_size, ptr, len );
+ ret = avcodec_decode_audio3( codec_context, (int16_t*) decode_buffer, &data_size, &pkt );
#endif
if ( ret < 0 )
{
- ret = 0;
+ mlt_log_warning( MLT_PRODUCER_SERVICE(self->parent), "audio decoding error %d\n", ret );
break;
}
- len -= ret;
- ptr += ret;
+ pkt.size = len -= ret;
+ pkt.data = ptr += ret;
// If decoded successfully
if ( data_size > 0 )
{
// Figure out how many samples will be needed after resampling
- int convert_samples = data_size / codec_context->channels / ( av_get_bits_per_sample_format( codec_context->sample_fmt ) / 8 );
- int samples_needed = this->resample_factor * convert_samples + 1;
-
+ int convert_samples = data_size / codec_context->channels / sample_bytes( codec_context );
+
// Resize audio buffer to prevent overflow
- if ( audio_used * channels + samples_needed > this->audio_buffer_size[ index ] )
- {
- this->audio_buffer_size[ index ] *= 2;
- audio_buffer = this->audio_buffer[ index ] = mlt_pool_realloc( audio_buffer, this->audio_buffer_size[ index ] * sizeof(int16_t) );
- }
- if ( resample )
+ if ( ( audio_used + convert_samples ) * channels * sizeof_sample > self->audio_buffer_size[ index ] )
{
- // Copy to audio buffer while resampling
- int16_t *source = decode_buffer;
- int16_t *dest = &audio_buffer[ audio_used * channels ];
- audio_used += audio_resample( resample, dest, source, convert_samples );
+ self->audio_buffer_size[ index ] = ( audio_used + convert_samples * 2 ) * channels * sizeof_sample;
+ audio_buffer = self->audio_buffer[ index ] = mlt_pool_realloc( audio_buffer, self->audio_buffer_size[ index ] );
}
- else
+ uint8_t *dest = &audio_buffer[ audio_used * codec_context->channels * sizeof_sample ];
+ switch ( codec_context->sample_fmt )
{
+#if LIBAVUTIL_VERSION_INT >= ((51<<16)+(17<<8)+0)
+ case AV_SAMPLE_FMT_U8P:
+ case AV_SAMPLE_FMT_S16P:
+ case AV_SAMPLE_FMT_S32P:
+ case AV_SAMPLE_FMT_FLTP:
+#if LIBAVCODEC_VERSION_MAJOR >= 55
+ planar_to_interleaved( dest, self->audio_frame, convert_samples, codec_context->channels, sizeof_sample );
+#else
+ planar_to_interleaved( dest, decode_buffer, convert_samples, codec_context->channels, sizeof_sample );
+#endif
+ break;
+#endif
+ default:
// Straight copy to audio buffer
- memcpy( &audio_buffer[ audio_used * codec_context->channels ], decode_buffer, data_size );
- audio_used += convert_samples;
+ memcpy( dest, decode_buffer, data_size );
}
+ audio_used += convert_samples;
// Handle ignore
- while ( *ignore && audio_used > samples )
+ while ( *ignore && audio_used )
{
*ignore -= 1;
- audio_used -= samples;
- memmove( audio_buffer, &audio_buffer[ samples * (resample? channels : codec_context->channels) ],
- audio_used * sizeof( int16_t ) );
+ audio_used -= audio_used > samples ? samples : audio_used;
+ memmove( audio_buffer, &audio_buffer[ samples * codec_context->channels * sizeof_sample ],
+ audio_used * sizeof_sample );
}
}
}
// If we're behind, ignore this packet
- if ( pkt->pts >= 0 )
+ // Skip this on non-seekable, audio-only inputs.
+ if ( pkt.pts >= 0 && ( self->seekable || self->video_format ) && *ignore == 0 && audio_used > samples / 2 )
{
- double current_pts = av_q2d( context->streams[ index ]->time_base ) * pkt->pts;
- int req_position = ( int )( timecode * fps + 0.5 );
- int int_position = ( int )( current_pts * fps + 0.5 );
- if ( context->start_time != AV_NOPTS_VALUE )
- int_position -= ( int )( fps * context->start_time / AV_TIME_BASE + 0.5 );
-
- if ( this->seekable && *ignore == 0 )
+ int64_t pts = pkt.pts;
+ if ( self->first_pts != AV_NOPTS_VALUE )
+ pts -= self->first_pts;
+ else if ( context->start_time != AV_NOPTS_VALUE )
+ pts -= context->start_time;
+ double timebase = av_q2d( context->streams[ index ]->time_base );
+ int64_t int_position = ( int64_t )( timebase * pts * fps + 0.5 );
+ int64_t req_position = ( int64_t )( timecode * fps + 0.5 );
+
+ mlt_log_debug( MLT_PRODUCER_SERVICE(self->parent),
+ "A pkt.pts %"PRId64" pkt.dts %"PRId64" req_pos %"PRId64" cur_pos %"PRId64" pkt_pos %"PRId64"\n",
+ pkt.pts, pkt.dts, req_position, self->current_position, int_position );
+
+ if ( int_position > 0 )
{
if ( int_position < req_position )
// We are behind, so skip some
- *ignore = 1;
- else if ( int_position > req_position + 2 )
+ *ignore = req_position - int_position;
+ else if ( self->audio_index != INT_MAX && int_position > req_position + 2 )
// We are ahead, so seek backwards some more
- seek_audio( this, req_position, timecode - 1.0, ignore );
+ seek_audio( self, req_position, timecode - 1.0 );
}
+ // Cancel the find_first_pts() in seek_audio()
+ if ( self->video_index == -1 && self->last_position == POSITION_INITIAL )
+ self->last_position = int_position;
}
- this->audio_used[ index ] = audio_used;
+ self->audio_used[ index ] = audio_used;
return ret;
}
/** Get the audio from a frame.
*/
-
static int producer_get_audio( mlt_frame frame, void **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples )
{
// Get the producer
- producer_avformat this = mlt_frame_pop_audio( frame );
+ producer_avformat self = mlt_frame_pop_audio( frame );
+ pthread_mutex_lock( &self->audio_mutex );
+
// Obtain the frame number of this frame
- mlt_position position = mlt_properties_get_position( MLT_FRAME_PROPERTIES( frame ), "avformat_position" );
+ mlt_position position = mlt_frame_original_position( frame );
// Calculate the real time code
- double real_timecode = producer_time_of_frame( this->parent, position );
+ double real_timecode = producer_time_of_frame( self->parent, position );
// Get the producer fps
- double fps = mlt_producer_get_fps( this->parent );
+ double fps = mlt_producer_get_fps( self->parent );
// Number of frames to ignore (for ffwd)
- int ignore = 0;
+ int ignore[ MAX_AUDIO_STREAMS ] = { 0 };
// Flag for paused (silence)
- int paused = seek_audio( this, position, real_timecode, &ignore );
+ int paused = seek_audio( self, position, real_timecode );
+
+ // Initialize ignore for all streams from the seek return value
+ int i = MAX_AUDIO_STREAMS;
+ while ( i-- )
+ ignore[i] = ignore[0];
// Fetch the audio_format
- AVFormatContext *context = this->audio_format;
+ AVFormatContext *context = self->audio_format;
+ if ( !context )
+ goto exit_get_audio;
+
+ int sizeof_sample = sizeof( int16_t );
// Determine the tracks to use
- int index = this->audio_index;
- int index_max = this->audio_index + 1;
- if ( this->audio_index == INT_MAX )
+ int index = self->audio_index;
+ int index_max = self->audio_index + 1;
+ if ( self->audio_index == INT_MAX )
{
index = 0;
- index_max = context->nb_streams;
- *channels = this->total_channels;
- *frequency = this->max_frequency;
+ index_max = FFMIN( MAX_AUDIO_STREAMS, context->nb_streams );
+ *channels = self->total_channels;
+ *samples = mlt_sample_calculator( fps, self->max_frequency, position );
+ *frequency = self->max_frequency;
}
- // Initialize the resamplers and buffers
- for ( ; index < index_max; index++ )
+ // Initialize the buffers
+ for ( ; index < index_max && index < MAX_AUDIO_STREAMS; index++ )
{
// Get codec context
- AVCodecContext *codec_context = this->audio_codec[ index ];
+ AVCodecContext *codec_context = self->audio_codec[ index ];
- if ( codec_context && !this->audio_buffer[ index ] )
+ if ( codec_context && !self->audio_buffer[ index ] )
{
- // Check for resample and create if necessary
- if ( codec_context->channels <= 2 )
- {
- // Determine by how much resampling will increase number of samples
- double resample_factor = this->audio_index == INT_MAX ? 1 : (double) *channels / codec_context->channels;
- resample_factor *= (double) *frequency / codec_context->sample_rate;
- if ( resample_factor > this->resample_factor )
- this->resample_factor = resample_factor;
-
- // Create the resampler
-#if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(15<<8)+0))
- this->audio_resample[ index ] = av_audio_resample_init(
- this->audio_index == INT_MAX ? codec_context->channels : *channels,
- codec_context->channels, *frequency, codec_context->sample_rate,
- SAMPLE_FMT_S16, codec_context->sample_fmt, 16, 10, 0, 0.8 );
-#else
- this->audio_resample[ index ] = audio_resample_init(
- this->audio_index == INT_MAX ? codec_context->channels : *channels,
- codec_context->channels, *frequency, codec_context->sample_rate );
-#endif
- }
- else
- {
- codec_context->request_channels = this->audio_index == INT_MAX ? codec_context->channels : *channels;
- }
+ codec_context->request_channels = self->audio_index == INT_MAX ? codec_context->channels : *channels;
+ sizeof_sample = sample_bytes( codec_context );
// Check for audio buffer and create if necessary
- this->audio_buffer_size[ index ] = AVCODEC_MAX_AUDIO_FRAME_SIZE;
- this->audio_buffer[ index ] = mlt_pool_alloc( this->audio_buffer_size[ index ] * sizeof( int16_t ) );
+ self->audio_buffer_size[ index ] = MAX_AUDIO_FRAME_SIZE * sizeof_sample;
+ self->audio_buffer[ index ] = mlt_pool_alloc( self->audio_buffer_size[ index ] );
// Check for decoder buffer and create if necessary
- this->decode_buffer[ index ] = av_malloc( AVCODEC_MAX_AUDIO_FRAME_SIZE * sizeof( int16_t ) );
+ self->decode_buffer[ index ] = av_malloc( self->audio_buffer_size[ index ] );
}
}
// Get the audio if required
- if ( !paused )
+ if ( !paused && *frequency > 0 )
{
- int ret = 0;
+ int ret = 0;
int got_audio = 0;
AVPacket pkt;
av_init_packet( &pkt );
+
+ // Caller requested number samples based on requested sample rate.
+ if ( self->audio_index != INT_MAX )
+ *samples = mlt_sample_calculator( fps, self->audio_codec[ self->audio_index ]->sample_rate, position );
while ( ret >= 0 && !got_audio )
{
// Check if the buffer already contains the samples required
- if ( this->audio_index != INT_MAX && this->audio_used[ this->audio_index ] >= *samples && ignore == 0 )
+ if ( self->audio_index != INT_MAX &&
+ self->audio_used[ self->audio_index ] >= *samples &&
+ ignore[ self->audio_index ] == 0 )
{
got_audio = 1;
break;
}
+ else if ( self->audio_index == INT_MAX )
+ {
+ // Check if there is enough audio for all streams
+ got_audio = 1;
+ for ( index = 0; got_audio && index < index_max; index++ )
+ if ( ( self->audio_codec[ index ] && self->audio_used[ index ] < *samples ) || ignore[ index ] )
+ got_audio = 0;
+ if ( got_audio )
+ break;
+ }
// Read a packet
- ret = av_read_frame( context, &pkt );
+ pthread_mutex_lock( &self->packets_mutex );
+ if ( mlt_deque_count( self->apackets ) )
+ {
+ AVPacket *tmp = (AVPacket*) mlt_deque_pop_front( self->apackets );
+ pkt = *tmp;
+ free( tmp );
+ }
+ else
+ {
+ ret = av_read_frame( context, &pkt );
+ if ( ret >= 0 && !self->seekable && pkt.stream_index == self->video_index )
+ {
+ if ( !av_dup_packet( &pkt ) )
+ {
+ AVPacket *tmp = malloc( sizeof(AVPacket) );
+ *tmp = pkt;
+ mlt_deque_push_back( self->vpackets, tmp );
+ }
+ }
+ else if ( ret < 0 )
+ {
+ mlt_producer producer = self->parent;
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
+ mlt_log_verbose( MLT_PRODUCER_SERVICE(producer), "av_read_frame returned error %d inside get_audio\n", ret );
+ if ( !self->seekable && mlt_properties_get_int( properties, "reconnect" ) )
+ {
+ // Try to reconnect to live sources by closing context and codecs,
+ // and letting next call to get_frame() reopen.
+ prepare_reopen( self );
+ pthread_mutex_unlock( &self->packets_mutex );
+ goto exit_get_audio;
+ }
+ if ( !self->seekable && mlt_properties_get_int( properties, "exit_on_disconnect" ) )
+ {
+ mlt_log_fatal( MLT_PRODUCER_SERVICE(producer), "Exiting with error due to disconnected source.\n" );
+ exit( EXIT_FAILURE );
+ }
+ }
+ }
+ pthread_mutex_unlock( &self->packets_mutex );
// We only deal with audio from the selected audio index
- if ( ret >= 0 && pkt.data && pkt.size > 0 && ( pkt.stream_index == this->audio_index ||
- ( this->audio_index == INT_MAX && context->streams[ pkt.stream_index ]->codec->codec_type == CODEC_TYPE_AUDIO ) ) )
+ index = pkt.stream_index;
+ if ( index < MAX_AUDIO_STREAMS && ret >= 0 && pkt.data && pkt.size > 0 && ( index == self->audio_index ||
+ ( self->audio_index == INT_MAX && context->streams[ index ]->codec->codec_type == CODEC_TYPE_AUDIO ) ) )
{
- int channels2 = this->audio_index == INT_MAX ? this->audio_codec[pkt.stream_index]->channels : *channels;
- ret = decode_audio( this, &ignore, &pkt, channels2, *samples, real_timecode, fps );
+ int channels2 = self->audio_codec[index]->channels;
+ ret = decode_audio( self, &ignore[index], pkt, channels2, *samples, real_timecode, fps );
}
- av_free_packet( &pkt );
- if ( this->audio_index == INT_MAX && ret >= 0 )
- {
- // Determine if there is enough audio for all streams
- got_audio = 1;
- for ( index = 0; index < context->nb_streams; index++ )
+ if ( self->seekable || index != self->video_index )
+ av_free_packet( &pkt );
+
+ }
+
+ // Set some additional return values
+ *format = mlt_audio_s16;
+ if ( self->audio_index != INT_MAX )
+ {
+ index = self->audio_index;
+ *channels = self->audio_codec[ index ]->channels;
+ *frequency = self->audio_codec[ index ]->sample_rate;
+ *format = pick_audio_format( self->audio_codec[ index ]->sample_fmt );
+ sizeof_sample = sample_bytes( self->audio_codec[ index ] );
+ }
+ else if ( self->audio_index == INT_MAX )
+ {
+ for ( index = 0; index < index_max; index++ )
+ if ( self->audio_codec[ index ] )
{
- if ( this->audio_codec[ index ] && this->audio_used[ index ] < *samples )
- got_audio = 0;
+ // XXX: This only works if all audio tracks have the same sample format.
+ *format = pick_audio_format( self->audio_codec[ index ]->sample_fmt );
+ sizeof_sample = sample_bytes( self->audio_codec[ index ] );
+ break;
}
- }
}
-
+
// Allocate and set the frame's audio buffer
- int size = *samples * *channels * sizeof(int16_t);
+ int size = mlt_audio_format_size( *format, *samples, *channels );
*buffer = mlt_pool_alloc( size );
- *format = mlt_audio_s16;
mlt_frame_set_audio( frame, *buffer, *format, size, mlt_pool_release );
// Interleave tracks if audio_index=all
- if ( this->audio_index == INT_MAX )
+ if ( self->audio_index == INT_MAX )
{
- int16_t *dest = *buffer;
+ uint8_t *dest = *buffer;
int i;
for ( i = 0; i < *samples; i++ )
{
for ( index = 0; index < index_max; index++ )
- if ( this->audio_codec[ index ] )
+ if ( self->audio_codec[ index ] )
{
- int current_channels = this->audio_codec[ index ]->channels;
- int16_t *src = this->audio_buffer[ index ] + i * current_channels;
- memcpy( dest, src, current_channels * sizeof(int16_t) );
- dest += current_channels;
+ int current_channels = self->audio_codec[ index ]->channels;
+ uint8_t *src = self->audio_buffer[ index ] + i * current_channels * sizeof_sample;
+ memcpy( dest, src, current_channels * sizeof_sample );
+ dest += current_channels * sizeof_sample;
}
}
for ( index = 0; index < index_max; index++ )
- if ( this->audio_codec[ index ] && this->audio_used[ index ] >= *samples )
+ if ( self->audio_codec[ index ] && self->audio_used[ index ] >= *samples )
{
- int current_channels = this->audio_codec[ index ]->channels;
- int16_t *src = this->audio_buffer[ index ] + *samples * current_channels;
- this->audio_used[index] -= *samples;
- memmove( this->audio_buffer[ index ], src, this->audio_used[ index ] * current_channels * sizeof(int16_t) );
+ int current_channels = self->audio_codec[ index ]->channels;
+ uint8_t *src = self->audio_buffer[ index ] + *samples * current_channels * sizeof_sample;
+ self->audio_used[index] -= *samples;
+ memmove( self->audio_buffer[ index ], src, self->audio_used[ index ] * current_channels * sizeof_sample );
}
}
// Copy a single track to the output buffer
else
{
- index = this->audio_index;
+ index = self->audio_index;
// Now handle the audio if we have enough
- if ( this->audio_used[ index ] >= *samples )
+ if ( self->audio_used[ index ] > 0 )
{
- int16_t *src = this->audio_buffer[ index ];
- memcpy( *buffer, src, *samples * *channels * sizeof(int16_t) );
- this->audio_used[ index ] -= *samples;
- memmove( src, &src[ *samples * *channels ], this->audio_used[ index ] * *channels * sizeof(int16_t) );
+ uint8_t *src = self->audio_buffer[ index ];
+ // copy samples from audio_buffer
+ size = self->audio_used[ index ] < *samples ? self->audio_used[ index ] : *samples;
+ memcpy( *buffer, src, size * *channels * sizeof_sample );
+ // supply the remaining requested samples as silence
+ if ( *samples > self->audio_used[ index ] )
+ memset( *buffer + size * *channels * sizeof_sample, 0, ( *samples - self->audio_used[ index ] ) * *channels * sizeof_sample );
+ // reposition the samples within audio_buffer
+ self->audio_used[ index ] -= size;
+ memmove( src, src + size * *channels * sizeof_sample, self->audio_used[ index ] * *channels * sizeof_sample );
}
else
{
// Otherwise fill with silence
- memset( *buffer, 0, *samples * *channels * sizeof(int16_t) );
- }
- if ( !this->audio_resample[ index ] )
- {
- // TODO: uncomment and remove following line when full multi-channel support is ready
- // *channels = codec_context->channels;
- *frequency = this->audio_codec[ index ]->sample_rate;
+ memset( *buffer, 0, *samples * *channels * sizeof_sample );
}
}
}
else
{
+exit_get_audio:
// Get silence and don't touch the context
mlt_frame_get_audio( frame, buffer, format, frequency, channels, samples );
}
// Regardless of speed (other than paused), we expect to get the next frame
if ( !paused )
- this->audio_expected = position + 1;
+ self->audio_expected = position + 1;
+
+ pthread_mutex_unlock( &self->audio_mutex );
return 0;
}
/** Initialize the audio codec context.
*/
-static int audio_codec_init( producer_avformat this, int index, mlt_properties properties )
+static int audio_codec_init( producer_avformat self, int index, mlt_properties properties )
{
// Initialise the codec if necessary
- if ( !this->audio_codec[ index ] )
+ if ( !self->audio_codec[ index ] )
{
// Get codec context
- AVCodecContext *codec_context = this->audio_format->streams[index]->codec;
+ AVCodecContext *codec_context = self->audio_format->streams[index]->codec;
// Find the codec
AVCodec *codec = avcodec_find_decoder( codec_context->codec_id );
// If we don't have a codec and we can't initialise it, we can't do much more...
- avformat_lock( );
+ pthread_mutex_lock( &self->open_mutex );
+#if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
+ if ( codec && avcodec_open2( codec_context, codec, NULL ) >= 0 )
+#else
if ( codec && avcodec_open( codec_context, codec ) >= 0 )
+#endif
{
// Now store the codec with its destructor
- if ( this->audio_codec[ index ] )
- avcodec_close( this->audio_codec[ index ] );
- this->audio_codec[ index ] = codec_context;
+ if ( self->audio_codec[ index ] )
+ avcodec_close( self->audio_codec[ index ] );
+ self->audio_codec[ index ] = codec_context;
}
else
{
- // Remember that we can't use this later
- this->audio_index = -1;
+ // Remember that we can't use self later
+ self->audio_index = -1;
}
- avformat_unlock( );
+ pthread_mutex_unlock( &self->open_mutex );
// Process properties as AVOptions
apply_properties( codec_context, properties, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
+ if ( codec && codec->priv_class && codec_context->priv_data )
+ apply_properties( codec_context->priv_data, properties, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
}
- return this->audio_codec[ index ] && this->audio_index > -1;
+ return self->audio_codec[ index ] && self->audio_index > -1;
}
/** Set up audio handling.
*/
-static void producer_set_up_audio( producer_avformat this, mlt_frame frame )
+static void producer_set_up_audio( producer_avformat self, mlt_frame frame )
{
// Get the producer
- mlt_producer producer = this->parent;
+ mlt_producer producer = self->parent;
// Get the properties
mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
// Fetch the audio format context
- AVFormatContext *context = this->audio_format;
+ AVFormatContext *context = self->audio_format;
mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
int index = mlt_properties_get_int( properties, "audio_index" );
// Handle all audio tracks
- if ( this->audio_index > -1 &&
- !strcmp( mlt_properties_get( properties, "audio_index" ), "all" ) )
+ if ( self->audio_index > -1 &&
+ mlt_properties_get( properties, "audio_index" ) &&
+ !strcmp( mlt_properties_get( properties, "audio_index" ), "all" ) )
index = INT_MAX;
// Reopen the file if necessary
- if ( !context && this->audio_index > -1 && index > -1 )
+ if ( !context && self->audio_index > -1 && index > -1 )
{
- mlt_events_block( properties, producer );
- producer_open( this, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
- mlt_properties_get( properties, "resource" ) );
- context = this->audio_format;
- if ( this->dummy_context )
- {
- avformat_lock();
- av_close_input_file( this->dummy_context );
- avformat_unlock();
- }
- this->dummy_context = NULL;
- mlt_events_unblock( properties, producer );
- get_audio_streams_info( this );
+ producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
+ mlt_properties_get( properties, "resource" ), 1 );
+ context = self->audio_format;
}
// Exception handling for audio_index
if ( context && index > -1 && index < INT_MAX &&
context->streams[ index ]->codec->codec_type != CODEC_TYPE_AUDIO )
{
- index = this->audio_index;
+ index = self->audio_index;
mlt_properties_set_int( properties, "audio_index", index );
}
+ if ( context && index > -1 && index < INT_MAX &&
+ pick_audio_format( context->streams[ index ]->codec->sample_fmt ) == mlt_audio_none )
+ {
+ index = -1;
+ }
// Update the audio properties if the index changed
- if ( context && index > -1 && index != this->audio_index )
+ if ( context && index > -1 && index != self->audio_index )
{
- if ( this->audio_codec[ this->audio_index ] )
- {
- avformat_lock();
- avcodec_close( this->audio_codec[ this->audio_index ] );
- avformat_unlock();
- }
- this->audio_codec[ this->audio_index ] = NULL;
+ pthread_mutex_lock( &self->open_mutex );
+ if ( self->audio_codec[ self->audio_index ] )
+ avcodec_close( self->audio_codec[ self->audio_index ] );
+ self->audio_codec[ self->audio_index ] = NULL;
+ pthread_mutex_unlock( &self->open_mutex );
}
- if ( this->audio_index != -1 )
- this->audio_index = index;
+ if ( self->audio_index != -1 )
+ self->audio_index = index;
else
index = -1;
// Get the codec(s)
if ( context && index == INT_MAX )
{
- mlt_properties_set_int( frame_properties, "frequency", this->max_frequency );
- mlt_properties_set_int( frame_properties, "channels", this->total_channels );
+ mlt_properties_set_int( frame_properties, "audio_frequency", self->max_frequency );
+ mlt_properties_set_int( frame_properties, "audio_channels", self->total_channels );
for ( index = 0; index < context->nb_streams; index++ )
{
if ( context->streams[ index ]->codec->codec_type == CODEC_TYPE_AUDIO )
- audio_codec_init( this, index, properties );
+ audio_codec_init( self, index, properties );
}
}
- else if ( context && index > -1 && audio_codec_init( this, index, properties ) )
+ else if ( context && index > -1 && index < MAX_AUDIO_STREAMS &&
+ audio_codec_init( self, index, properties ) )
{
- // Set the frame properties
- if ( index < INT_MAX )
- {
- mlt_properties_set_int( frame_properties, "frequency", this->audio_codec[ index ]->sample_rate );
- mlt_properties_set_int( frame_properties, "channels", this->audio_codec[ index ]->channels );
- }
+ mlt_properties_set_int( frame_properties, "audio_frequency", self->audio_codec[ index ]->sample_rate );
+ mlt_properties_set_int( frame_properties, "audio_channels", self->audio_codec[ index ]->channels );
}
if ( context && index > -1 )
{
// Add our audio operation
- mlt_frame_push_audio( frame, this );
+ mlt_frame_push_audio( frame, self );
mlt_frame_push_audio( frame, producer_get_audio );
}
}
static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index )
{
// Access the private data
- mlt_cache_item cache_item = mlt_service_cache_get( MLT_PRODUCER_SERVICE(producer), "producer_avformat" );
- producer_avformat this = mlt_cache_item_data( cache_item, NULL );
+ mlt_service service = MLT_PRODUCER_SERVICE( producer );
+ mlt_cache_item cache_item = mlt_service_cache_get( service, "producer_avformat" );
+ producer_avformat self = mlt_cache_item_data( cache_item, NULL );
+
+ // If cache miss
+ if ( !self )
+ {
+ self = calloc( 1, sizeof( struct producer_avformat_s ) );
+ producer->child = self;
+ self->parent = producer;
+ mlt_service_cache_put( service, "producer_avformat", self, 0, (mlt_destructor) producer_avformat_close );
+ cache_item = mlt_service_cache_get( service, "producer_avformat" );
+ }
// Create an empty frame
- *frame = mlt_frame_init( MLT_PRODUCER_SERVICE( producer ) );
+ *frame = mlt_frame_init( service);
if ( *frame )
+ {
mlt_properties_set_data( MLT_FRAME_PROPERTIES(*frame), "avformat_cache", cache_item, 0, (mlt_destructor) mlt_cache_item_close, NULL );
+ }
else
+ {
mlt_cache_item_close( cache_item );
+ return 1;
+ }
// Update timecode on the frame we're creating
mlt_frame_set_position( *frame, mlt_producer_position( producer ) );
- // Set the position of this producer
- mlt_properties_set_position( MLT_FRAME_PROPERTIES( *frame ), "avformat_position", mlt_producer_frame( producer ) );
-
- // If cache miss
- if ( !this )
- {
- this = calloc( 1, sizeof( struct producer_avformat_s ) );
- producer->child = this;
- this->parent = producer;
- mlt_service_cache_put( MLT_PRODUCER_SERVICE(producer), "producer_avformat", this, 0, (mlt_destructor) producer_avformat_close );
- }
-
// Set up the video
- producer_set_up_video( this, *frame );
+ producer_set_up_video( self, *frame );
// Set up the audio
- producer_set_up_audio( this, *frame );
+ producer_set_up_audio( self, *frame );
+
+ // Set the position of this producer
+ mlt_position position = self->seekable ? mlt_producer_frame( producer ) : self->nonseek_position++;
+ mlt_properties_set_position( MLT_FRAME_PROPERTIES( *frame ), "original_position", position );
// Calculate the next timecode
mlt_producer_prepare_next( producer );
return 0;
}
-static void producer_avformat_close( producer_avformat this )
+static void producer_avformat_close( producer_avformat self )
{
mlt_log_debug( NULL, "producer_avformat_close\n" );
- // Close the file
- av_free( this->av_frame );
- avformat_lock();
+
+ // Cleanup av contexts
+ av_free_packet( &self->pkt );
+ av_free( self->video_frame );
+ av_free( self->audio_frame );
+ if ( self->is_mutex_init )
+ pthread_mutex_lock( &self->open_mutex );
int i;
for ( i = 0; i < MAX_AUDIO_STREAMS; i++ )
{
- if ( this->audio_resample[i] )
- audio_resample_close( this->audio_resample[i] );
- mlt_pool_release( this->audio_buffer[i] );
- av_free( this->decode_buffer[i] );
- if ( this->audio_codec[i] )
- avcodec_close( this->audio_codec[i] );
- }
- if ( this->video_codec )
- avcodec_close( this->video_codec );
- if ( this->dummy_context )
- av_close_input_file( this->dummy_context );
- if ( this->audio_format )
- av_close_input_file( this->audio_format );
- if ( this->video_format )
- av_close_input_file( this->video_format );
- avformat_unlock();
+ mlt_pool_release( self->audio_buffer[i] );
+ av_free( self->decode_buffer[i] );
+ if ( self->audio_codec[i] )
+ avcodec_close( self->audio_codec[i] );
+ self->audio_codec[i] = NULL;
+ }
+ if ( self->video_codec )
+ avcodec_close( self->video_codec );
+ self->video_codec = NULL;
+ // Close the file
+#if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
+ if ( self->dummy_context )
+ avformat_close_input( &self->dummy_context );
+ if ( self->seekable && self->audio_format )
+ avformat_close_input( &self->audio_format );
+ if ( self->video_format )
+ avformat_close_input( &self->video_format );
+#else
+ if ( self->dummy_context )
+ av_close_input_file( self->dummy_context );
+ if ( self->seekable && self->audio_format )
+ av_close_input_file( self->audio_format );
+ if ( self->video_format )
+ av_close_input_file( self->video_format );
+#endif
+ if ( self->is_mutex_init )
+ pthread_mutex_unlock( &self->open_mutex );
#ifdef VDPAU
- vdpau_producer_close( this );
+ vdpau_producer_close( self );
#endif
- if ( this->image_cache )
- mlt_cache_close( this->image_cache );
- free( this );
+ if ( self->image_cache )
+ mlt_cache_close( self->image_cache );
+
+ // Cleanup the mutexes
+ if ( self->is_mutex_init )
+ {
+ pthread_mutex_destroy( &self->audio_mutex );
+ pthread_mutex_destroy( &self->video_mutex );
+ pthread_mutex_destroy( &self->packets_mutex );
+ pthread_mutex_destroy( &self->open_mutex );
+ }
+
+ // Cleanup the packet queues
+ AVPacket *pkt;
+ if ( self->apackets )
+ {
+ while ( ( pkt = mlt_deque_pop_back( self->apackets ) ) )
+ {
+ av_free_packet( pkt );
+ free( pkt );
+ }
+ mlt_deque_close( self->apackets );
+ self->apackets = NULL;
+ }
+ if ( self->vpackets )
+ {
+ while ( ( pkt = mlt_deque_pop_back( self->vpackets ) ) )
+ {
+ av_free_packet( pkt );
+ free( pkt );
+ }
+ mlt_deque_close( self->vpackets );
+ self->vpackets = NULL;
+ }
+
+ free( self );
}
static void producer_close( mlt_producer parent )
{
+ // Remove this instance from the cache
+ mlt_service_cache_purge( MLT_PRODUCER_SERVICE(parent) );
+
// Close the parent
parent->close = NULL;
mlt_producer_close( parent );
projects / mlt / blobdiff