/*
* 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
#ifdef SWSCALE
# include <libswscale/swscale.h>
#endif
-#if LIBAVCODEC_VERSION_MAJOR > 52
-#include <libavutil/samplefmt.h>
-#elif (LIBAVCODEC_VERSION_INT >= ((51<<16)+(71<<8)+0))
+
+#if LIBAVUTIL_VERSION_INT >= ((50<<16)+(38<<8)+0)
+# include <libavutil/samplefmt.h>
+#else
+# define AV_SAMPLE_FMT_S16 SAMPLE_FMT_S16
+# define AV_SAMPLE_FMT_S32 SAMPLE_FMT_S32
+# define AV_SAMPLE_FMT_FLT SAMPLE_FMT_FLT
+# if (LIBAVCODEC_VERSION_INT >= ((51<<16)+(71<<8)+0))
const char *avcodec_get_sample_fmt_name(int sample_fmt);
+# endif
#endif
+
#ifdef VDPAU
# include <libavcodec/vdpau.h>
#endif
#if (LIBAVUTIL_VERSION_INT > ((50<<16)+(7<<8)+0))
# include <libavutil/pixdesc.h>
#endif
+#if (LIBAVUTIL_VERSION_INT >= ((51<<16)+(8<<8)+0))
+# include <libavutil/dict.h>
+#endif
// System header files
#include <stdlib.h>
#define PIX_FMT_YUYV422 PIX_FMT_YUV422
#endif
-#if LIBAVCODEC_VERSION_MAJOR > 52
+#if LIBAVCODEC_VERSION_MAJOR >= 53
#include <libavutil/opt.h>
#define CODEC_TYPE_VIDEO AVMEDIA_TYPE_VIDEO
#define CODEC_TYPE_AUDIO AVMEDIA_TYPE_AUDIO
#define MAX_AUDIO_STREAMS (10)
#define MAX_VDPAU_SURFACES (10)
-void avformat_lock( );
-void avformat_unlock( );
-
struct producer_avformat_s
{
mlt_producer parent;
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;
uint8_t *audio_buffer[ MAX_AUDIO_STREAMS ];
size_t audio_buffer_size[ MAX_AUDIO_STREAMS ];
int colorspace;
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;
#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 self, mlt_profile profile, char *file );
+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_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 );
#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 self = calloc( 1, sizeof( struct producer_avformat_s ) );
+ producer = calloc( 1, sizeof( struct mlt_producer_s ) );
// Initialise it
if ( mlt_producer_init( producer, self ) == 0 )
// Register our get_frame implementation
producer->get_frame = producer_get_frame;
-
+
if ( strcmp( service, "avformat-novalidate" ) )
{
// Open the file
- if ( producer_open( self, 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 ( self->dummy_context )
- av_close_input_file( self->dummy_context );
- self->dummy_context = NULL;
+#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 );
- self->audio_format = NULL;
if ( self->video_format )
av_close_input_file( self->video_format );
- self->video_format = NULL;
- avformat_unlock();
-
- // 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", self, 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", 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;
}
/** 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 );
#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(42<<8)+0)
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 ) );
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 ) );
#if LIBAVCODEC_VERSION_INT > ((52<<16)+(28<<8)+0)
#endif
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 )
+ self->audio_index = i;
mlt_properties_set( meta_media, key, "audio" );
-#if LIBAVCODEC_VERSION_MAJOR > 52
+#if LIBAVUTIL_VERSION_INT >= ((50<<16)+(38<<8)+0)
snprintf( key, sizeof(key), "meta.media.%d.codec.sample_fmt", i );
mlt_properties_set( meta_media, key, av_get_sample_fmt_name( codec_context->sample_fmt ) );
#elif (LIBAVCODEC_VERSION_INT >= ((51<<16)+(71<<8)+0))
// Read Metadata
#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(31<<8)+0)
+#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" ) )
{
#endif
}
#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(31<<8)+0)
+#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" ) )
{
return aspect_ratio;
}
-/** Open the file.
-*/
-
-static int producer_open( producer_avformat self, mlt_profile profile, char *file )
+#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
{
- // Return an error code (0 == no error)
- int error = 0;
-
- // Context for avformat
- AVFormatContext *context = NULL;
-
- // Get the properties
- mlt_properties properties = MLT_PRODUCER_PROPERTIES( self->parent );
-
- // We will treat everything with the producer fps
- double fps = mlt_profile_fps( profile );
-
- // Lock the service
- pthread_mutex_init( &self->audio_mutex, NULL );
- pthread_mutex_init( &self->video_mutex, NULL );
- pthread_mutex_lock( &self->audio_mutex );
- pthread_mutex_lock( &self->video_mutex );
+ if ( !URL ) return NULL;
- // If "MRL", then create AVInputFormat
- AVInputFormat *format = NULL;
- AVFormatParameters *params = NULL;
- char *standard = NULL;
- char *mrl = strchr( file, ':' );
-
- // AV option (0 = both, 1 = video, 2 = audio)
- int av = 0;
+ char *result = NULL;
+ char *protocol = strdup( URL );
+ char *url = strchr( protocol, ':' );
// Only if there is not a protocol specification that avformat can handle
-#if LIBAVFORMAT_VERSION_MAJOR > 52
- if ( mrl && !avio_check( file, 0 ) )
+#if LIBAVFORMAT_VERSION_MAJOR >= 53
+ if ( url && avio_check( URL, 0 ) < 0 )
#else
- if ( mrl && !url_exist( file ) )
+ if ( url && !url_exist( URL ) )
#endif
{
- // 'file' becomes format abbreviation
- mrl[0] = 0;
+ // 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( file );
+ *format = av_find_input_format( protocol );
// Eat the format designator
- file = ++mrl;
+ result = ++url;
- if ( format )
+ if ( *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};
+#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
- mrl = strchr( file, '?' );
- while ( mrl )
- {
- mrl[0] = 0;
- char *name = strdup( ++mrl );
- char *value = strchr( name, ':' );
- if ( value )
+ // Parse out params
+ url = strchr( url, '?' );
+ while ( url )
{
- 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, "channel" ) )
- params->channel = atoi( value );
- else if ( !strcmp( name, "channels" ) )
- params->channels = atoi( value );
-#if (LIBAVUTIL_VERSION_INT > ((50<<16)+(7<<8)+0))
- else if ( !strcmp( name, "pix_fmt" ) )
- params->pix_fmt = av_get_pix_fmt( value );
-#endif
- else if ( !strcmp( name, "width" ) )
- params->width = atoi( value );
- else if ( !strcmp( name, "height" ) )
- params->height = atoi( value );
- else if ( !strcmp( name, "standard" ) )
+ 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 )
{
- standard = strdup( value );
- params->standard = standard;
+ 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 );
+#if (LIBAVUTIL_VERSION_INT > ((50<<16)+(7<<8)+0))
+ else if ( !strcmp( name, "pix_fmt" ) )
+ params->pix_fmt = av_get_pix_fmt( value );
+#endif
+ 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
}
- else if ( !strcmp( name, "av" ) )
- av = atoi( value );
+ 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 );
}
- free( name );
- mrl = strchr( mrl, '&' );
+ if ( width ) free( width );
+ if ( height ) free ( height );
+#endif
}
+ result = strdup( result );
}
+ else
+ {
+ result = strdup( URL );
+ }
+ free( protocol );
+ return result;
+}
- // Now attempt to open the file
- error = av_open_input_file( &context, file, format, 0, params ) < 0;
+static int get_basic_info( producer_avformat self, mlt_profile profile, const char *filename )
+{
+ int error = 0;
- // Cleanup AVFormatParameters
- free( standard );
- free( params );
+ // Get the properties
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( self->parent );
- // If successful, then try to get additional info
- if ( !error )
- {
- // Get the stream info
- error = av_find_stream_info( context ) < 0;
+ AVFormatContext *format = self->video_format;
- // Continue if no error
- if ( !error )
+ // We will treat everything with the producer fps.
+ // TODO: make this more flexible.
+ double fps = mlt_profile_fps( profile );
+
+ // Get the duration
+ if ( !mlt_properties_get_int( properties, "_length_computed" ) )
+ {
+ // 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 )
{
- // We will default to the first audio and video streams found
- int audio_index = -1;
- int video_index = -1;
+ // This isn't going to be accurate for all formats
+ mlt_position frames = ( mlt_position )( ( ( double )format->duration / ( double )AV_TIME_BASE ) * fps );
+ mlt_properties_set_position( properties, "out", frames - 1 );
+ mlt_properties_set_position( properties, "length", frames );
+ mlt_properties_set_int( properties, "_length_computed", 1 );
+ }
+ else
+ {
+ // 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 );
+ }
+ }
- // Find default audio and video streams
- find_default_streams( properties, context, &audio_index, &video_index );
+ // 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
+ URLContext *uc = url_fileno( format->pb );
+ if ( uc )
+ self->seekable = !uc->is_streamed;
+#endif
+ }
+ if ( self->seekable )
+ {
+ // 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
+ av_open_input_file( &self->video_format, filename, NULL, 0, NULL );
+ av_find_stream_info( self->video_format );
+#endif
+ format = self->video_format;
+ }
+
+ // 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 );
- // Now set properties where we can (use default unknowns if required)
- if ( context->duration != AV_NOPTS_VALUE )
+ 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 )
{
- // This isn't going to be accurate for all formats
- // Workaround some clips whose estimated duration cause problems:
- // http://www.kdenlive.org/mantis/view.php?id=2003
- int adjust = -3;
- if ( mlt_properties_get( properties, "adjust_length" ) )
- adjust = mlt_properties_get_int( properties, "adjust_length" );
- mlt_position frames = ( mlt_position )( ( ( double )context->duration / ( double )AV_TIME_BASE ) * fps + adjust );
- if ( mlt_properties_get_position( properties, "force_length" ) > 0 )
- frames = mlt_properties_get_position( properties, "force_length" );
- mlt_properties_set_position( properties, "out", frames - 1 );
- mlt_properties_set_position( properties, "length", frames );
+ ret = av_read_frame( format, &pkt );
+ if ( ret >= 0 && pkt.stream_index == self->video_index && pkt.size > 0 )
+ {
+ get_aspect_ratio( properties, format->streams[ self->video_index ], codec_context, &pkt );
+ break;
+ }
}
+ }
+ else
+ {
+ get_aspect_ratio( properties, format->streams[ self->video_index ], codec_context, NULL );
+ }
- if ( context->start_time != AV_NOPTS_VALUE )
- self->start_time = context->start_time;
+#ifdef SWSCALE
+ // 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;
+#endif
+ }
+ return error;
+}
- // Check if we're seekable
- // avdevices are typically AVFMT_NOFILE and not seekable
- self->seekable = !format || !( format->flags & AVFMT_NOFILE );
- if ( context->pb )
- {
- // protocols can indicate if they support seeking
-#if LIBAVFORMAT_VERSION_MAJOR > 52
- self->seekable = context->pb->seekable;
+/** Open the 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 );
+
+ // Lock the service
+ if ( take_lock )
+ {
+ 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 );
+ pthread_mutex_lock( &self->audio_mutex );
+ pthread_mutex_lock( &self->video_mutex );
+ }
+ mlt_events_block( properties, self->parent );
+
+ // Parse URL
+ AVInputFormat *format = NULL;
+#if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
+ AVDictionary *params = NULL;
#else
- URLContext *uc = url_fileno( context->pb );
- if ( uc )
- self->seekable = !uc->is_streamed;
+ 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
- }
- if ( self->seekable )
- {
- self->seekable = av_seek_frame( context, -1, self->start_time, AVSEEK_FLAG_BACKWARD ) >= 0;
- mlt_properties_set_int( properties, "seekable", self->seekable );
- self->dummy_context = context;
- av_open_input_file( &context, file, NULL, 0, NULL );
- av_find_stream_info( context );
- }
- // Store selected audio and video indexes on properties
- self->audio_index = audio_index;
- self->video_index = video_index;
- self->first_pts = -1;
+ // Set MLT properties onto video AVFormatContext
+ if ( !error && self->video_format )
+ {
+ apply_properties( self->video_format, properties, AV_OPT_FLAG_DECODING_PARAM );
+#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(110<<8)+0)
+ 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 );
+#endif
+ }
+
+#if LIBAVFORMAT_VERSION_INT > ((53<<16)+(6<<8)+0)
+ av_dict_free( ¶ms );
+#else
+ // Cleanup AVFormatParameters
+ if ( params.standard )
+ free( (void*) params.standard );
+#endif
+
+ // 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
+
+ // Continue if no error
+ if ( !error && self->video_format )
+ {
+ // Find default audio and video streams
+ find_default_streams( self );
+ error = get_basic_info( self, profile, filename );
+
+ // Initialize position info
+ self->first_pts = AV_NOPTS_VALUE;
self->last_position = POSITION_INITIAL;
- // Fetch the width, height and aspect ratio
- if ( video_index != -1 )
+ if ( !self->audio_format )
{
- 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 ( codec_context->codec_id == CODEC_ID_DVVIDEO )
+ // 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 )
{
- // Fetch the first frame of DV so we can read it directly
- AVPacket pkt;
- int ret = 0;
- while ( ret >= 0 )
+ if ( self->seekable )
{
- ret = av_read_frame( context, &pkt );
- if ( ret >= 0 && pkt.stream_index == video_index && pkt.size > 0 )
- {
- get_aspect_ratio( properties, context->streams[ video_index ], codec_context, &pkt );
- break;
- }
+ // 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
+ else if ( self->audio_index != -1 )
{
- get_aspect_ratio( properties, context->streams[ video_index ], codec_context, NULL );
+ // We only have an audio context
+ self->audio_format = self->video_format;
+ self->video_format = NULL;
}
-#ifdef SWSCALE
- 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;
-#endif
- }
-
- // 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
- self->video_format = context;
-
- // And open again for our audio context
- av_open_input_file( &context, file, NULL, 0, NULL );
- av_find_stream_info( context );
-
- // Audio context
- self->audio_format = context;
- }
- else if ( av != 2 && video_index != -1 )
- {
- // We only have a video context
- self->video_format = context;
- }
- else if ( audio_index != -1 )
- {
- // We only have an audio context
- self->audio_format = context;
- }
- else
- {
- // Something has gone wrong
- error = -1;
+ else if ( self->video_index == -1 )
+ {
+ // Something has gone wrong
+ error = -1;
+ }
+ if ( self->audio_format && !self->audio_streams )
+ get_audio_streams_info( self );
}
}
}
+ if ( filename )
+ free( filename );
+ if ( !error )
+ {
+ self->apackets = mlt_deque_init();
+ self->vpackets = mlt_deque_init();
+ }
+
+ 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 );
+ }
// Unlock the service
- pthread_mutex_unlock( &self->audio_mutex );
- pthread_mutex_unlock( &self->video_mutex );
+ if ( take_lock )
+ {
+ pthread_mutex_unlock( &self->audio_mutex );
+ pthread_mutex_unlock( &self->video_mutex );
+ }
+ mlt_events_unblock( properties, self->parent );
return error;
}
-void reopen_video( producer_avformat self, mlt_producer producer, mlt_properties properties )
+static void reopen_video( producer_avformat self, mlt_producer producer )
{
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
pthread_mutex_lock( &self->audio_mutex );
+ pthread_mutex_lock( &self->open_mutex );
if ( self->video_codec )
- {
- avformat_lock();
avcodec_close( self->video_codec );
- avformat_unlock();
- }
self->video_codec = NULL;
+#if LIBAVFORMAT_VERSION_INT >= ((53<<16)+(17<<8)+0)
+ if ( self->dummy_context )
+ avformat_close_input( &self->dummy_context );
+ if ( self->video_format )
+ avformat_close_input( &self->video_format );
+#else
if ( self->dummy_context )
av_close_input_file( self->dummy_context );
- self->dummy_context = NULL;
if ( self->video_format )
av_close_input_file( self->video_format );
+#endif
+ self->dummy_context = NULL;
self->video_format = NULL;
+ pthread_mutex_unlock( &self->open_mutex );
+
+ int audio_index = self->audio_index;
+ int video_index = self->video_index;
+
+ producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
+ mlt_properties_get( properties, "resource" ), 0 );
+
+ self->audio_index = audio_index;
+ if ( self->video_format && video_index > -1 )
+ {
+ self->video_index = video_index;
+ video_codec_init( self, video_index, properties );
+ }
+
+ pthread_mutex_unlock( &self->audio_mutex );
+ mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
+}
+
+static int seek_video( producer_avformat self, mlt_position position,
+ int64_t req_position, int preseek, int use_pts )
+{
+ mlt_producer producer = self->parent;
+ int paused = 0;
+
+ if ( self->seekable && ( position != self->video_expected || self->last_position < 0 ) )
+ {
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
+
+ // Fetch the video format context
+ AVFormatContext *context = self->video_format;
+
+ // Get the video stream
+ AVStream *stream = context->streams[ self->video_index ];
+
+ // Get codec context
+ AVCodecContext *codec_context = stream->codec;
+
+ // 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" );
+
+ // find initial PTS
+ if ( self->last_position == POSITION_INITIAL )
+ {
+ int ret = 0;
+ int toscan = 100;
+ AVPacket pkt;
+
+ while ( ret >= 0 && toscan-- > 0 )
+ {
+ ret = av_read_frame( context, &pkt );
+ if ( ret >= 0 && pkt.stream_index == self->video_index )
+ {
+ mlt_log_debug( MLT_PRODUCER_SERVICE(producer),
+ "first_pts %"PRId64" dts %"PRId64" pts_dts_delta %d\n",
+ pkt.pts, pkt.dts, (int)(pkt.pts - pkt.dts) );
+ self->first_pts = use_pts? 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 );
+ }
+
+ if ( self->av_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( stream->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( stream->time_base ) != 0 )
+ timestamp -= 2 / av_q2d( stream->time_base );
+ if ( timestamp < 0 )
+ timestamp = 0;
+ mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "seeking timestamp %"PRId64" position %d expected %d last_pos %"PRId64"\n",
+ timestamp, position, self->video_expected, self->last_position );
- int audio_index = self->audio_index;
- int video_index = self->video_index;
+ // Seek to the timestamp
+ // NOTE: reopen_video is disabled at this time because it is causing trouble with A/V sync.
+ if ( 1 || use_pts || req_position > 0 || self->last_position <= 0 )
+ {
+ codec_context->skip_loop_filter = AVDISCARD_NONREF;
+ av_seek_frame( context, self->video_index, timestamp, AVSEEK_FLAG_BACKWARD );
- mlt_events_block( properties, producer );
- pthread_mutex_unlock( &self->audio_mutex );
- pthread_mutex_unlock( &self->video_mutex );
- producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
- mlt_properties_get( properties, "resource" ) );
- pthread_mutex_lock( &self->video_mutex );
- pthread_mutex_lock( &self->audio_mutex );
- if ( self->dummy_context )
- {
- av_close_input_file( self->dummy_context );
- self->dummy_context = NULL;
- }
- mlt_events_unblock( properties, producer );
- apply_properties( self->video_format, properties, AV_OPT_FLAG_DECODING_PARAM );
-#if LIBAVFORMAT_VERSION_MAJOR > 52
- 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 );
-#endif
+ // flush any pictures still in decode buffer
+ avcodec_flush_buffers( codec_context );
+ }
+ else
+ {
+ // Re-open video stream when rewinding to beginning from somewhere else.
+ // This is rather ugly, and I prefer not to do it this way, but ffmpeg is
+ // not reliably seeking to the first frame across formats.
+ reopen_video( self, producer );
+ }
- self->audio_index = audio_index;
- if ( self->video_format && video_index > -1 )
- {
- self->video_index = video_index;
- video_codec_init( self, video_index, properties );
+ // Remove the cached info relating to the previous position
+ self->current_position = POSITION_INVALID;
+ self->last_position = POSITION_INVALID;
+ av_freep( &self->av_frame );
+ }
}
-
- pthread_mutex_unlock( &self->audio_mutex );
- mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
+ return paused;
}
/** Convert a frame position to a time code.
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
{
self->audio_streams++;
self->audio_max_stream = i;
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",
#endif
}
-static inline void convert_image( AVFrame *frame, uint8_t *buffer, int pix_fmt,
- mlt_image_format *format, int width, int height, int colorspace )
+static mlt_image_format pick_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 void convert_image( AVFrame *frame, uint8_t *buffer, int pix_fmt,
+ mlt_image_format *format, int width, int height, int colorspace, uint8_t **alpha )
{
#ifdef SWSCALE
int full_range = -1;
- int flags = SWS_BILINEAR | SWS_ACCURATE_RND;
+ int flags = SWS_BICUBIC | SWS_ACCURATE_RND;
#ifdef USE_MMX
flags |= SWS_CPU_CAPS_MMX;
flags |= SWS_CPU_CAPS_MMX2;
#endif
- if ( pix_fmt == PIX_FMT_RGB32 )
+ // extract alpha from planar formats
+ if ( ( pix_fmt == PIX_FMT_YUVA420P
+#if 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] )
{
- *format = mlt_image_rgb24a;
- struct SwsContext *context = sws_getContext( width, height, pix_fmt,
- width, height, PIX_FMT_RGBA, flags, NULL, NULL, NULL);
- AVPicture output;
- avpicture_fill( &output, buffer, PIX_FMT_RGBA, width, height );
- set_luma_transfer( context, colorspace, full_range );
- sws_scale( context, (const uint8_t* const*) frame->data, frame->linesize, 0, height,
- output.data, output.linesize);
- sws_freeContext( context );
+ 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, flags, NULL, NULL, NULL);
if ( codec_context->width == 0 || codec_context->height == 0 )
return size;
-
*width = codec_context->width;
*height = codec_context->height;
-
- if ( codec_context->pix_fmt == PIX_FMT_RGB32 )
- size = *width * ( *height + 1 ) * 4;
- else
- size = mlt_image_format_size( *format, *width, *height, NULL );
-
- // Construct the output image
+ size = mlt_image_format_size( *format, *width, *height, NULL );
*buffer = mlt_pool_alloc( size );
if ( *buffer )
mlt_frame_set_image( frame, *buffer, size, mlt_pool_release );
// Get codec context
AVCodecContext *codec_context = stream->codec;
+ uint8_t *alpha = NULL;
+ int got_picture = 0;
+ int image_size = 0;
+
// Get the image cache
if ( ! self->image_cache && ! mlt_properties_get_int( properties, "noimagecache" ) )
+ {
self->image_cache = mlt_cache_init();
+ }
if ( self->image_cache )
{
- mlt_cache_item item = mlt_cache_get( self->image_cache, (void*) position );
- uint8_t *original = mlt_cache_item_data( item, (int*) format );
+ mlt_frame original = mlt_cache_get_frame( self->image_cache, mlt_frame_get_position( frame ) );
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;
if ( *height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
*height = 1080;
- // Cache hit
- int size = mlt_image_format_size( *format, *width, *height, NULL );
- if ( writable )
- {
- *buffer = mlt_pool_alloc( size );
- mlt_frame_set_image( frame, *buffer, size, mlt_pool_release );
- memcpy( *buffer, original, size );
- mlt_cache_item_close( item );
- }
- else
- {
- *buffer = original;
- mlt_properties_set_data( frame_properties, "avformat.image_cache", item, 0, ( mlt_destructor )mlt_cache_item_close, NULL );
- mlt_frame_set_image( frame, *buffer, size, NULL );
- }
- self->got_picture = 1;
-
+ got_picture = 1;
goto exit_get_image;
}
}
// Cache miss
- int image_size = 0;
// 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, "meta.media.frame_rate_num" ) /
mlt_properties_get_double( properties, "meta.media.frame_rate_den" );
- double fps = mlt_producer_get_fps( producer );
// 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" );
-
- int last_position = self->last_position;
+ strcmp( codec_context->codec->name, "rawvideo" ) );
// 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" );
+ int use_pts = self->seekable &&
+ codec_context->codec_id == CODEC_ID_H264 && codec_context->has_b_frames;
+ if ( mlt_properties_get( properties, "use_pts" ) )
+ use_pts = mlt_properties_get_int( properties, "use_pts" );
+ double delay = mlt_properties_get_double( properties, "video_delay" );
// Seek if necessary
- if ( position != self->video_expected || last_position < 0 )
- {
- if ( self->av_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 ) < 250 )
- {
- // Fast forward - seeking is inefficient for small distances - just ignore following frames
- ignore = ( int )( ( position - self->video_expected ) / fps * source_fps );
- codec_context->skip_loop_filter = AVDISCARD_NONREF;
- }
- else if ( self->seekable && ( position < self->video_expected || position - self->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 == self->video_index )
- {
- mlt_log_verbose( MLT_PRODUCER_SERVICE(producer), "first_pts %"PRId64" dts %"PRId64" pts_dts_delta %d\n", pkt.pts, pkt.dts, (int)(pkt.pts - pkt.dts) );
- self->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 %"PRId64" ", req_position, timestamp );
- if ( self->first_pts > 0 )
- timestamp += self->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 %"PRId64" position %d expected %d last_pos %d\n",
- timestamp, position, self->video_expected, last_position );
-
- // Seek to the timestamp
- if ( use_new_seek )
- {
- codec_context->skip_loop_filter = AVDISCARD_NONREF;
- av_seek_frame( context, self->video_index, timestamp, AVSEEK_FLAG_BACKWARD );
- }
- else if ( req_position > 0 || last_position <= 0 )
- {
- av_seek_frame( context, -1, timestamp, AVSEEK_FLAG_BACKWARD );
- }
- else
- {
- // Re-open video stream when rewinding to beginning from somewhere else.
- // This is rather ugly, and I prefer not to do it this way, but ffmpeg is
- // not reliably seeking to the first frame across formats.
- reopen_video( self, producer, properties );
- context = self->video_format;
- stream = context->streams[ self->video_index ];
- codec_context = stream->codec;
- }
-
- // Remove the cached info relating to the previous position
- self->current_position = POSITION_INVALID;
- self->last_position = POSITION_INVALID;
- av_freep( &self->av_frame );
-
- if ( use_new_seek )
- {
- // flush any pictures still in decode buffer
- avcodec_flush_buffers( codec_context );
- }
- }
- }
+ 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)
+ && ( !use_pts || ( interp && strcmp( interp, "nearest" ) ) )
+#endif
+ && codec_context->has_b_frames;
+ int paused = seek_video( self, position, req_position, preseek, use_pts );
+
+ // 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_format( codec_context->pix_fmt );
// Duplicate the last image if necessary
- if ( self->av_frame && self->av_frame->linesize[0] && self->got_picture && self->seekable
- && ( paused
- || self->current_position == req_position
- || ( !use_new_seek && self->current_position > req_position ) ) )
+ if ( self->av_frame && self->av_frame->linesize[0]
+ && ( paused || self->current_position >= req_position ) )
{
// Duplicate it
if ( ( image_size = allocate_buffer( frame, codec_context, buffer, format, width, height ) ) )
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, self->colorspace );
+ PIX_FMT_YUV420P, format, *width, *height, self->colorspace, &alpha );
}
else
#endif
convert_image( self->av_frame, *buffer, codec_context->pix_fmt,
- format, *width, *height, self->colorspace );
+ format, *width, *height, self->colorspace, &alpha );
+ got_picture = 1;
}
- else
- mlt_frame_get_image( frame, buffer, format, width, height, writable );
}
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 );
while( ret >= 0 && !got_picture )
{
// Read a packet
- ret = av_read_frame( context, &pkt );
+ pthread_mutex_lock( &self->packets_mutex );
+ if ( mlt_deque_count( self->vpackets ) )
+ {
+ AVPacket *tmp = (AVPacket*) mlt_deque_pop_front( self->vpackets );
+ pkt = *tmp;
+ free( tmp );
+ }
+ else
+ {
+ ret = av_read_frame( context, &pkt );
+ if ( ret >= 0 && !self->seekable && pkt.stream_index == self->audio_index )
+ {
+ if ( !av_dup_packet( &pkt ) )
+ {
+ AVPacket *tmp = malloc( sizeof(AVPacket) );
+ *tmp = pkt;
+ mlt_deque_push_back( self->apackets, tmp );
+ }
+ }
+ }
+ pthread_mutex_unlock( &self->packets_mutex );
// We only deal with video from the selected video_index
if ( ret >= 0 && pkt.stream_index == self->video_index && pkt.size > 0 )
{
// Determine time code of the packet
- if ( use_new_seek )
+ if ( use_pts && pkt.pts == AV_NOPTS_VALUE )
{
- int64_t pts = pkt.pts;
- if ( self->first_pts > 0 )
- 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 );
- if ( pkt.pts == AV_NOPTS_VALUE )
- {
- self->invalid_pts_counter++;
- if ( self->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
+ self->invalid_pts_counter++;
+ if ( self->invalid_pts_counter > 20 )
{
- self->invalid_pts_counter = 0;
+ mlt_log_warning( MLT_PRODUCER_SERVICE(producer), "PTS invalid; using DTS instead\n" );
+ mlt_properties_set_int( properties, "use_pts", 0 );
+ use_pts = 0;
}
- mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "pkt.pts %"PRId64" req_pos %d cur_pos %d pkt_pos %d\n",
- pkt.pts, req_position, self->current_position, int_position );
}
else
{
- if ( self->seekable && 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 = self->last_position;
- if ( int_position == last_position )
- int_position = last_position + 1;
- }
- else
- {
- int_position = req_position;
- }
- mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "pkt.dts %"PRId64" req_pos %d cur_pos %d pkt_pos %d\n",
- 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_debug( MLT_PRODUCER_SERVICE(producer), " WILD TIMESTAMP!" );
- }
+ self->invalid_pts_counter = 0;
+ }
+ int64_t pts = ( use_pts && pkt.pts != AV_NOPTS_VALUE )? pkt.pts : 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( stream->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",
+ pkt.pts, 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;
if ( must_decode || int_position >= req_position )
{
#ifdef VDPAU
- if ( g_vdpau && self->vdpau )
+ if ( self->vdpau )
{
- if ( g_vdpau->producer != self )
+ if ( self->vdpau->decoder == VDP_INVALID_HANDLE )
{
- vdpau_decoder_close();
vdpau_decoder_init( self );
}
- if ( self->vdpau )
- self->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))
if ( got_picture )
{
- if ( use_new_seek )
- {
- // Determine time code of the packet
- int64_t pts = self->av_frame->reordered_opaque;
- if ( self->first_pts > 0 )
- 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_debug( MLT_PRODUCER_SERVICE(producer), "got frame %d, key %d\n", int_position, self->av_frame->key_frame );
- }
- // Handle ignore
+ if ( use_pts )
+ // Get position of reordered frame
+ int_position = self->av_frame->reordered_opaque;
+
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 );
}
if ( status == VDP_STATUS_OK )
{
convert_image( self->av_frame, *buffer, PIX_FMT_YUV420P,
- format, *width, *height, self->colorspace );
+ format, *width, *height, self->colorspace, &alpha );
}
else
{
else
#endif
convert_image( self->av_frame, *buffer, codec_context->pix_fmt,
- format, *width, *height, self->colorspace );
+ format, *width, *height, self->colorspace, &alpha );
self->top_field_first |= self->av_frame->top_field_first;
self->current_position = int_position;
- self->got_picture = 1;
}
else
{
got_picture = 0;
}
}
- if ( ret >= 0 )
+ if ( self->seekable || pkt.stream_index != self->audio_index )
av_free_packet( &pkt );
}
}
- if ( self->got_picture && image_size > 0 && self->image_cache )
+ // set alpha
+ if ( alpha )
+ mlt_frame_set_alpha( frame, alpha, (*width) * (*height), mlt_pool_release );
+
+ if ( image_size > 0 && self->image_cache )
{
- // Copy buffer to image cache
- uint8_t *image = mlt_pool_alloc( image_size );
- memcpy( image, *buffer, image_size );
- mlt_cache_put( self->image_cache, (void*) position, image, *format, mlt_pool_release );
+ mlt_properties_set_int( frame_properties, "format", *format );
+ mlt_cache_put_frame( self->image_cache, frame );
}
+
// Try to duplicate last image if there was a decoding failure
- else if ( !image_size && self->av_frame && self->av_frame->linesize[0] )
+ // TODO: with multithread decoding a partial frame decoding resulting
+ // in failure also resets av_frame making test below fail.
+ if ( !image_size && self->av_frame && self->av_frame->linesize[0] )
{
// Duplicate it
if ( ( image_size = allocate_buffer( frame, codec_context, buffer, format, width, height ) ) )
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, self->colorspace );
+ PIX_FMT_YUV420P, format, *width, *height, self->colorspace, &alpha );
}
else
#endif
convert_image( self->av_frame, *buffer, codec_context->pix_fmt,
- format, *width, *height, self->colorspace );
- self->got_picture = 1;
+ format, *width, *height, self->colorspace, &alpha );
+ got_picture = 1;
}
- else
- mlt_frame_get_image( frame, buffer, format, width, height, writable );
}
// Regardless of speed, we expect to get the next frame (cos we ain't too bright)
mlt_properties_set_int( properties, "meta.media.progressive", mlt_properties_get_int( frame_properties, "progressive" ) );
mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
- return !self->got_picture;
+ 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 );
+#endif
if ( opt_name && mlt_properties_get( properties, opt_name ) )
{
if ( opt )
-#if LIBAVCODEC_VERSION_INT >= ((52<<16)+(7<<8)+0)
+#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 );
{
self->video_codec = codec_context;
if ( !vdpau_decoder_init( self ) )
- vdpau_decoder_close();
+ vdpau_fini( self );
}
}
if ( !self->vdpau )
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
self->video_codec = codec_context;
{
// Remember that we can't use this later
self->video_index = -1;
- avformat_unlock( );
+ 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_MAJOR > 52
+#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
}
}
- // source_fps is deprecated in favor of meta.media.frame_rate_num and .frame_rate_den
- 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( self->parent ) );
-
// Set the YUV colorspace from override or detect
self->colorspace = mlt_properties_get_int( properties, "force_colorspace" );
#if LIBAVCODEC_VERSION_INT > ((52<<16)+(28<<8)+0)
// Reopen the file if necessary
if ( !context && index > -1 )
{
- mlt_events_block( properties, producer );
producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
- mlt_properties_get( properties, "resource" ) );
+ mlt_properties_get( properties, "resource" ), 1 );
context = self->video_format;
- if ( self->dummy_context )
- {
- av_close_input_file( self->dummy_context );
- self->dummy_context = NULL;
- }
- mlt_events_unblock( properties, producer );
- if ( self->audio_format && !self->audio_streams )
- get_audio_streams_info( self );
-
- // Process properties as AVOptions
- if ( context )
- {
- apply_properties( context, properties, AV_OPT_FLAG_DECODING_PARAM );
-#if LIBAVFORMAT_VERSION_MAJOR > 52
- if ( context->iformat && context->iformat->priv_class && context->priv_data )
- apply_properties( context->priv_data, properties, AV_OPT_FLAG_DECODING_PARAM );
-#endif
- }
}
// Exception handling for video_index
{
// Reset the video properties if the index changed
self->video_index = index;
+ pthread_mutex_lock( &self->open_mutex );
if ( self->video_codec )
- {
- avformat_lock();
avcodec_close( self->video_codec );
- avformat_unlock();
- }
self->video_codec = NULL;
+ pthread_mutex_unlock( &self->open_mutex );
}
// Get the frame properties
// Set the width and height
mlt_properties_set_int( frame_properties, "width", self->video_codec->width );
mlt_properties_set_int( frame_properties, "height", self->video_codec->height );
- // real_width and real_height are deprecated in favor of meta.media.width and .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_int( frame_properties, "real_width", self->video_codec->width );
- mlt_properties_set_int( frame_properties, "real_height", self->video_codec->height );
mlt_properties_set_double( frame_properties, "aspect_ratio", aspect_ratio );
mlt_properties_set_int( frame_properties, "colorspace", self->colorspace );
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 );
- mlt_properties_set_int( frame_properties, "real_height", 1080 );
}
// Add our image operation
}
}
-static int seek_audio( producer_avformat self, 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 != self->audio_expected )
+ if ( self->seekable && position != self->audio_expected )
{
if ( position + 1 == self->audio_expected )
{
// We're paused - silence required
paused = 1;
}
- else if ( !self->seekable && position > self->audio_expected && ( position - self->audio_expected ) < 250 )
- {
- // Fast forward - seeking is inefficient for small distances - just ignore following frames
- *ignore = position - self->audio_expected;
- }
else if ( position < self->audio_expected || position - self->audio_expected >= 12 )
{
AVFormatContext *context = self->audio_format;
static int sample_bytes( AVCodecContext *context )
{
-#if LIBAVCODEC_VERSION_MAJOR > 52
+#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;
}
// Handle ignore
- while ( *ignore && audio_used > samples )
+ while ( *ignore && audio_used )
{
*ignore -= 1;
- audio_used -= samples;
+ audio_used -= audio_used > samples ? samples : audio_used;
memmove( audio_buffer, &audio_buffer[ samples * (resample? channels : 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 ( self->seekable && *ignore == 0 )
+ int64_t pts = pkt.pts;
+ if ( self->first_pts != 0 )
+ 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( self, req_position, timecode - 1.0, ignore );
+ seek_audio( self, req_position, timecode - 1.0 );
}
}
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( self, 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 = self->audio_format;
self->audio_resample[ index ] = av_audio_resample_init(
self->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 );
+ AV_SAMPLE_FMT_S16, codec_context->sample_fmt, 16, 10, 0, 0.8 );
#else
self->audio_resample[ index ] = audio_resample_init(
self->audio_index == INT_MAX ? codec_context->channels : *channels,
while ( ret >= 0 && !got_audio )
{
// Check if the buffer already contains the samples required
- if ( self->audio_index != INT_MAX && self->audio_used[ self->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 < context->nb_streams; 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 );
+ }
+ }
+ }
+ pthread_mutex_unlock( &self->packets_mutex );
// We only deal with audio from the selected audio index
index = pkt.stream_index;
{
int channels2 = ( self->audio_index == INT_MAX || !self->audio_resample[index] ) ?
self->audio_codec[index]->channels : *channels;
- ret = decode_audio( self, &ignore, pkt, channels2, *samples, real_timecode, fps );
+ ret = decode_audio( self, &ignore[index], pkt, channels2, *samples, real_timecode, fps );
}
- av_free_packet( &pkt );
- if ( self->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->audio_codec[ index ] && self->audio_used[ index ] < *samples )
- got_audio = 0;
- }
- }
+ if ( self->seekable || index != self->video_index )
+ av_free_packet( &pkt );
+
}
// Set some additional return values
index = self->audio_index;
*channels = self->audio_codec[ index ]->channels;
*frequency = self->audio_codec[ index ]->sample_rate;
- *format = self->audio_codec[ index ]->sample_fmt == SAMPLE_FMT_S32 ? mlt_audio_s32le
- : self->audio_codec[ index ]->sample_fmt == SAMPLE_FMT_FLT ? mlt_audio_f32le
+ *format = self->audio_codec[ index ]->sample_fmt == AV_SAMPLE_FMT_S32 ? mlt_audio_s32le
+ : self->audio_codec[ index ]->sample_fmt == AV_SAMPLE_FMT_FLT ? mlt_audio_f32le
: mlt_audio_s16;
sizeof_sample = sample_bytes( self->audio_codec[ index ] );
}
for ( index = 0; index < index_max; index++ )
if ( self->audio_codec[ index ] && !self->audio_resample[ index ] )
{
- *format = self->audio_codec[ index ]->sample_fmt == SAMPLE_FMT_S32 ? mlt_audio_s32le
- : self->audio_codec[ index ]->sample_fmt == SAMPLE_FMT_FLT ? mlt_audio_f32le
+ *format = self->audio_codec[ index ]->sample_fmt == AV_SAMPLE_FMT_S32 ? mlt_audio_s32le
+ : self->audio_codec[ index ]->sample_fmt == AV_SAMPLE_FMT_FLT ? mlt_audio_f32le
: mlt_audio_s16;
sizeof_sample = sample_bytes( self->audio_codec[ index ] );
break;
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 ( self->audio_codec[ index ] )
// 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 LIBAVCODEC_VERSION_MAJOR > 52
+#if LIBAVCODEC_VERSION_INT >= ((52<<16)+(122<<8)+0)
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 );
#endif
// Reopen the file if necessary
if ( !context && self->audio_index > -1 && index > -1 )
{
- mlt_events_block( properties, producer );
producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
- mlt_properties_get( properties, "resource" ) );
+ mlt_properties_get( properties, "resource" ), 1 );
context = self->audio_format;
- if ( self->dummy_context )
- {
- av_close_input_file( self->dummy_context );
- self->dummy_context = NULL;
- }
- mlt_events_unblock( properties, producer );
- if ( self->audio_format )
- get_audio_streams_info( self );
}
// Exception handling for audio_index
// Update the audio properties if the index changed
if ( context && index > -1 && index != self->audio_index )
{
+ pthread_mutex_lock( &self->open_mutex );
if ( self->audio_codec[ self->audio_index ] )
- {
- avformat_lock();
avcodec_close( self->audio_codec[ self->audio_index ] );
- avformat_unlock();
- }
self->audio_codec[ self->audio_index ] = NULL;
+ pthread_mutex_unlock( &self->open_mutex );
}
if ( self->audio_index != -1 )
self->audio_index = index;
// 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 ) );
-
// Set up the video
producer_set_up_video( self, *frame );
// Set up the audio
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 ), "avformat_position", position );
+
// Calculate the next timecode
mlt_producer_prepare_next( producer );
static void producer_avformat_close( producer_avformat self )
{
mlt_log_debug( NULL, "producer_avformat_close\n" );
- // Close the file
+
+ // Cleanup av contexts
av_free( self->av_frame );
- avformat_lock();
+ pthread_mutex_lock( &self->open_mutex );
int i;
for ( i = 0; i < MAX_AUDIO_STREAMS; 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->audio_format )
+ if ( self->seekable && self->audio_format )
av_close_input_file( self->audio_format );
if ( self->video_format )
av_close_input_file( self->video_format );
- avformat_unlock();
+#endif
+ pthread_mutex_unlock( &self->open_mutex );
#ifdef VDPAU
vdpau_producer_close( self );
#endif
if ( self->image_cache )
mlt_cache_close( self->image_cache );
+
+ // Cleanup the mutexes
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