sample_fifo sample_fifo_init( int frequency, int channels )
{
- sample_fifo this = calloc( 1, sizeof( sample_fifo_s ) );
- this->frequency = frequency;
- this->channels = channels;
- return this;
+ sample_fifo fifo = calloc( 1, sizeof( sample_fifo_s ) );
+ fifo->frequency = frequency;
+ fifo->channels = channels;
+ return fifo;
}
// sample_fifo_clear and check are temporarily aborted (not working as intended)
-void sample_fifo_clear( sample_fifo this, double time )
+void sample_fifo_clear( sample_fifo fifo, double time )
{
- int words = ( float )( time - this->time ) * this->frequency * this->channels;
- if ( ( int )( ( float )time * 100 ) < ( int )( ( float )this->time * 100 ) && this->used > words && words > 0 )
+ int words = ( float )( time - fifo->time ) * fifo->frequency * fifo->channels;
+ if ( ( int )( ( float )time * 100 ) < ( int )( ( float )fifo->time * 100 ) && fifo->used > words && words > 0 )
{
- memmove( this->buffer, &this->buffer[ words ], ( this->used - words ) * sizeof( int16_t ) );
- this->used -= words;
- this->time = time;
+ memmove( fifo->buffer, &fifo->buffer[ words ], ( fifo->used - words ) * sizeof( int16_t ) );
+ fifo->used -= words;
+ fifo->time = time;
}
- else if ( ( int )( ( float )time * 100 ) != ( int )( ( float )this->time * 100 ) )
+ else if ( ( int )( ( float )time * 100 ) != ( int )( ( float )fifo->time * 100 ) )
{
- this->used = 0;
- this->time = time;
+ fifo->used = 0;
+ fifo->time = time;
}
}
-void sample_fifo_check( sample_fifo this, double time )
+void sample_fifo_check( sample_fifo fifo, double time )
{
- if ( this->used == 0 )
+ if ( fifo->used == 0 )
{
- if ( ( int )( ( float )time * 100 ) < ( int )( ( float )this->time * 100 ) )
- this->time = time;
+ if ( ( int )( ( float )time * 100 ) < ( int )( ( float )fifo->time * 100 ) )
+ fifo->time = time;
}
}
-void sample_fifo_append( sample_fifo this, int16_t *samples, int count )
+void sample_fifo_append( sample_fifo fifo, int16_t *samples, int count )
{
- if ( ( this->size - this->used ) < count )
+ if ( ( fifo->size - fifo->used ) < count )
{
- this->size += count * 5;
- this->buffer = realloc( this->buffer, this->size * sizeof( int16_t ) );
+ fifo->size += count * 5;
+ fifo->buffer = realloc( fifo->buffer, fifo->size * sizeof( int16_t ) );
}
- memcpy( &this->buffer[ this->used ], samples, count * sizeof( int16_t ) );
- this->used += count;
+ memcpy( &fifo->buffer[ fifo->used ], samples, count * sizeof( int16_t ) );
+ fifo->used += count;
}
-int sample_fifo_used( sample_fifo this )
+int sample_fifo_used( sample_fifo fifo )
{
- return this->used;
+ return fifo->used;
}
-int sample_fifo_fetch( sample_fifo this, int16_t *samples, int count )
+int sample_fifo_fetch( sample_fifo fifo, int16_t *samples, int count )
{
- if ( count > this->used )
- count = this->used;
+ if ( count > fifo->used )
+ count = fifo->used;
- memcpy( samples, this->buffer, count * sizeof( int16_t ) );
- this->used -= count;
- memmove( this->buffer, &this->buffer[ count ], this->used * sizeof( int16_t ) );
+ memcpy( samples, fifo->buffer, count * sizeof( int16_t ) );
+ fifo->used -= count;
+ memmove( fifo->buffer, &fifo->buffer[ count ], fifo->used * sizeof( int16_t ) );
- this->time += ( double )count / this->channels / this->frequency;
+ fifo->time += ( double )count / fifo->channels / fifo->frequency;
return count;
}
-void sample_fifo_close( sample_fifo this )
+void sample_fifo_close( sample_fifo fifo )
{
- free( this->buffer );
- free( this );
+ free( fifo->buffer );
+ free( fifo );
}
// Forward references.
-static int consumer_start( mlt_consumer this );
-static int consumer_stop( mlt_consumer this );
-static int consumer_is_stopped( mlt_consumer this );
+static int consumer_start( mlt_consumer consumer );
+static int consumer_stop( mlt_consumer consumer );
+static int consumer_is_stopped( mlt_consumer consumer );
static void *consumer_thread( void *arg );
-static void consumer_close( mlt_consumer this );
+static void consumer_close( mlt_consumer consumer );
/** Initialise the consumer.
*/
mlt_consumer consumer_avformat_init( mlt_profile profile, char *arg )
{
// Allocate the consumer
- mlt_consumer this = mlt_consumer_new( profile );
+ mlt_consumer consumer = mlt_consumer_new( profile );
// If memory allocated and initialises without error
- if ( this != NULL )
+ if ( consumer != NULL )
{
// Get properties from the consumer
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
// Assign close callback
- this->close = consumer_close;
+ consumer->close = consumer_close;
// Interpret the argument
if ( arg != NULL )
mlt_properties_set_int( properties, "prefill", 1 );
// Set up start/stop/terminated callbacks
- this->start = consumer_start;
- this->stop = consumer_stop;
- this->is_stopped = consumer_is_stopped;
+ consumer->start = consumer_start;
+ consumer->stop = consumer_stop;
+ consumer->is_stopped = consumer_is_stopped;
mlt_events_register( properties, "consumer-fatal-error", NULL );
}
- // Return this
- return this;
+ // Return consumer
+ return consumer;
}
/** Start the consumer.
*/
-static int consumer_start( mlt_consumer this )
+static int consumer_start( mlt_consumer consumer )
{
// Get the properties
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
int error = 0;
// Report information about available muxers and codecs as YAML Tiny
}
else
{
- mlt_log_warning( MLT_CONSUMER_SERVICE( this ), "Invalid size property %s - ignoring.\n", size );
+ mlt_log_warning( MLT_CONSUMER_SERVICE( consumer ), "Invalid size property %s - ignoring.\n", size );
}
}
// We need to set these on the profile as well because the s property is
// an alias to mlt properties that correspond to profile settings.
- mlt_profile profile = mlt_service_profile( MLT_CONSUMER_SERVICE( this ) );
+ mlt_profile profile = mlt_service_profile( MLT_CONSUMER_SERVICE( consumer ) );
if ( profile )
{
profile->width = width;
mlt_properties_set_int( properties, "running", 1 );
// Create the thread
- pthread_create( thread, NULL, consumer_thread, this );
+ pthread_create( thread, NULL, consumer_thread, consumer );
}
return error;
}
/** Stop the consumer.
*/
-static int consumer_stop( mlt_consumer this )
+static int consumer_stop( mlt_consumer consumer )
{
// Get the properties
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
// Check that we're running
if ( mlt_properties_get_int( properties, "running" ) )
/** Determine if the consumer is stopped.
*/
-static int consumer_is_stopped( mlt_consumer this )
+static int consumer_is_stopped( mlt_consumer consumer )
{
// Get the properties
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
return !mlt_properties_get_int( properties, "running" );
}
/** Add an audio output stream
*/
-static AVStream *add_audio_stream( mlt_consumer this, AVFormatContext *oc, int codec_id, int channels )
+static AVStream *add_audio_stream( mlt_consumer consumer, AVFormatContext *oc, int codec_id, int channels )
{
// Get the properties
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
// Create a new stream
AVStream *st = av_new_stream( oc, oc->nb_streams );
}
else
{
- mlt_log_error( MLT_CONSUMER_SERVICE( this ), "Could not allocate a stream for audio\n" );
+ mlt_log_error( MLT_CONSUMER_SERVICE( consumer ), "Could not allocate a stream for audio\n" );
}
return st;
/** Add a video output stream
*/
-static AVStream *add_video_stream( mlt_consumer this, AVFormatContext *oc, int codec_id )
+static AVStream *add_video_stream( mlt_consumer consumer, AVFormatContext *oc, int codec_id )
{
// Get the properties
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
// Create a new stream
AVStream *st = av_new_stream( oc, oc->nb_streams );
// for mlt properties that correspond to profile settings
mlt_properties_set_int( properties, "display_aspect_num", rational.num );
mlt_properties_set_int( properties, "display_aspect_den", rational.den );
- mlt_profile profile = mlt_service_profile( MLT_CONSUMER_SERVICE( this ) );
+ mlt_profile profile = mlt_service_profile( MLT_CONSUMER_SERVICE( consumer ) );
if ( profile )
{
profile->display_aspect_num = rational.num;
int start, end, q;
int e = sscanf( rc_override, "%d,%d,%d", &start, &end, &q );
if ( e != 3 )
- mlt_log_warning( MLT_CONSUMER_SERVICE( this ), "Error parsing rc_override\n" );
+ mlt_log_warning( MLT_CONSUMER_SERVICE( consumer ), "Error parsing rc_override\n" );
c->rc_override = av_realloc( c->rc_override, sizeof( RcOverride ) * ( i + 1 ) );
c->rc_override[i].start_frame = start;
c->rc_override[i].end_frame = end;
fseek( f, 0, SEEK_SET );
logbuffer = av_malloc( size + 1 );
if ( !logbuffer )
- mlt_log_fatal( MLT_CONSUMER_SERVICE( this ), "Could not allocate log buffer\n" );
+ mlt_log_fatal( MLT_CONSUMER_SERVICE( consumer ), "Could not allocate log buffer\n" );
else
{
size = fread( logbuffer, 1, size, f );
}
else
{
- mlt_log_error( MLT_CONSUMER_SERVICE( this ), "Could not allocate a stream for video\n" );
+ mlt_log_error( MLT_CONSUMER_SERVICE( consumer ), "Could not allocate a stream for video\n" );
}
return st;
static void *consumer_thread( void *arg )
{
// Map the argument to the object
- mlt_consumer this = arg;
+ mlt_consumer consumer = arg;
// Get the properties
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
// Get the terminate on pause property
int terminate_on_pause = mlt_properties_get_int( properties, "terminate_on_pause" );
if ( p != NULL )
audio_codec_id = p->id;
else
- mlt_log_warning( MLT_CONSUMER_SERVICE( this ), "audio codec %s unrecognised - ignoring\n", acodec );
+ mlt_log_warning( MLT_CONSUMER_SERVICE( consumer ), "audio codec %s unrecognised - ignoring\n", acodec );
}
// Check for video codec overides
if ( p != NULL )
video_codec_id = p->id;
else
- mlt_log_warning( MLT_CONSUMER_SERVICE( this ), "video codec %s unrecognised - ignoring\n", vcodec );
+ mlt_log_warning( MLT_CONSUMER_SERVICE( consumer ), "video codec %s unrecognised - ignoring\n", vcodec );
}
// Write metadata
// Add audio and video streams
if ( video_codec_id != CODEC_ID_NONE )
- video_st = add_video_stream( this, oc, video_codec_id );
+ video_st = add_video_stream( consumer, oc, video_codec_id );
if ( audio_codec_id != CODEC_ID_NONE )
{
int is_multi = 0;
{
is_multi = 1;
total_channels += j;
- audio_st[i] = add_audio_stream( this, oc, audio_codec_id, j );
+ audio_st[i] = add_audio_stream( consumer, oc, audio_codec_id, j );
}
}
// single track
if ( !is_multi )
{
- audio_st[0] = add_audio_stream( this, oc, audio_codec_id, channels );
+ audio_st[0] = add_audio_stream( consumer, oc, audio_codec_id, channels );
total_channels = channels;
}
}
{
if ( url_fopen( &oc->pb, filename, URL_WRONLY ) < 0 )
{
- mlt_log_error( MLT_CONSUMER_SERVICE( this ), "Could not open '%s'\n", filename );
+ mlt_log_error( MLT_CONSUMER_SERVICE( consumer ), "Could not open '%s'\n", filename );
mlt_properties_set_int( properties, "running", 0 );
}
}
}
else
{
- mlt_log_error( MLT_CONSUMER_SERVICE( this ), "Invalid output format parameters\n" );
+ mlt_log_error( MLT_CONSUMER_SERVICE( consumer ), "Invalid output format parameters\n" );
mlt_properties_set_int( properties, "running", 0 );
}
while( mlt_properties_get_int( properties, "running" ) &&
( !terminated || ( video_st && mlt_deque_count( queue ) ) ) )
{
- frame = mlt_consumer_rt_frame( this );
+ frame = mlt_consumer_rt_frame( consumer );
// Check that we have a frame to work with
if ( frame != NULL )
if ( codec->coded_frame && codec->coded_frame->pts != AV_NOPTS_VALUE )
{
pkt.pts = av_rescale_q( codec->coded_frame->pts, codec->time_base, stream->time_base );
- mlt_log_debug( MLT_CONSUMER_SERVICE( this ), "audio stream %d pkt pts %lld frame pts %lld",
+ mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "audio stream %d pkt pts %lld frame pts %lld",
stream->index, pkt.pts, codec->coded_frame->pts );
}
pkt.flags |= PKT_FLAG_KEY;
{
if ( av_interleaved_write_frame( oc, &pkt ) )
{
- mlt_log_fatal( MLT_CONSUMER_SERVICE( this ), "error writing audio frame\n" );
+ mlt_log_fatal( MLT_CONSUMER_SERVICE( consumer ), "error writing audio frame\n" );
mlt_events_fire( properties, "consumer-fatal-error", NULL );
goto on_fatal_error;
}
}
- mlt_log_debug( MLT_CONSUMER_SERVICE( this ), " frame_size %d\n", codec->frame_size );
+ mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), " frame_size %d\n", codec->frame_size );
if ( i == 0 )
{
audio_pts = (double)stream->pts.val * av_q2d( stream->time_base );
if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
pkt.pts= av_rescale_q( c->coded_frame->pts, c->time_base, video_st->time_base );
- mlt_log_debug( MLT_CONSUMER_SERVICE( this ), "video pkt pts %lld frame pts %lld", pkt.pts, c->coded_frame->pts );
+ mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "video pkt pts %lld frame pts %lld", pkt.pts, c->coded_frame->pts );
if( c->coded_frame && c->coded_frame->key_frame )
pkt.flags |= PKT_FLAG_KEY;
pkt.stream_index= video_st->index;
// write the compressed frame in the media file
ret = av_interleaved_write_frame(oc, &pkt);
- mlt_log_debug( MLT_CONSUMER_SERVICE( this ), " frame_size %d\n", c->frame_size );
+ mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), " frame_size %d\n", c->frame_size );
video_pts = (double)video_st->pts.val * av_q2d( video_st->time_base );
// Dual pass logging
}
else if ( out_size < 0 )
{
- mlt_log_warning( MLT_CONSUMER_SERVICE( this ), "error with video encode %d\n", frame_count );
+ mlt_log_warning( MLT_CONSUMER_SERVICE( consumer ), "error with video encode %d\n", frame_count );
}
}
frame_count++;
if ( ret )
{
- mlt_log_fatal( MLT_CONSUMER_SERVICE( this ), "error writing video frame\n" );
+ mlt_log_fatal( MLT_CONSUMER_SERVICE( consumer ), "error writing video frame\n" );
mlt_events_fire( properties, "consumer-fatal-error", NULL );
goto on_fatal_error;
}
}
}
if ( audio_st[0] )
- mlt_log_debug( MLT_CONSUMER_SERVICE( this ), "audio pts %lld (%f) ", audio_st[0]->pts.val, audio_pts );
+ mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "audio pts %lld (%f) ", audio_st[0]->pts.val, audio_pts );
if ( video_st )
- mlt_log_debug( MLT_CONSUMER_SERVICE( this ), "video pts %lld (%f) ", video_st->pts.val, video_pts );
- mlt_log_debug( MLT_CONSUMER_SERVICE( this ), "\n" );
+ mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "video pts %lld (%f) ", video_st->pts.val, video_pts );
+ mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "\n" );
}
if ( real_time_output == 1 && frames % 2 == 0 )
}
if ( pkt.size <= 0 )
pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, NULL );
- mlt_log_debug( MLT_CONSUMER_SERVICE( this ), "flushing audio size %d\n", pkt.size );
+ mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "flushing audio size %d\n", pkt.size );
if ( pkt.size <= 0 )
break;
pkt.data = audio_outbuf;
if ( av_interleaved_write_frame( oc, &pkt ) != 0 )
{
- mlt_log_fatal( MLT_CONSUMER_SERVICE( this ), "error writing flushed audio frame\n" );
+ mlt_log_fatal( MLT_CONSUMER_SERVICE( consumer ), "error writing flushed audio frame\n" );
mlt_events_fire( properties, "consumer-fatal-error", NULL );
goto on_fatal_error;
}
// Encode the image
pkt.size = avcodec_encode_video( c, video_outbuf, video_outbuf_size, NULL );
- mlt_log_debug( MLT_CONSUMER_SERVICE( this ), "flushing video size %d\n", pkt.size );
+ mlt_log_debug( MLT_CONSUMER_SERVICE( consumer ), "flushing video size %d\n", pkt.size );
if ( pkt.size <= 0 )
break;
// write the compressed frame in the media file
if ( av_interleaved_write_frame( oc, &pkt ) != 0 )
{
- mlt_log_fatal( MLT_CONSUMER_SERVICE(this), "error writing flushed video frame\n" );
+ mlt_log_fatal( MLT_CONSUMER_SERVICE(consumer), "error writing flushed video frame\n" );
mlt_events_fire( properties, "consumer-fatal-error", NULL );
goto on_fatal_error;
}
// Just in case we terminated on pause
mlt_properties_set_int( properties, "running", 0 );
- mlt_consumer_stopped( this );
+ mlt_consumer_stopped( consumer );
mlt_properties_close( frame_meta_properties );
if ( mlt_properties_get_int( properties, "pass" ) > 1 )
/** Close the consumer.
*/
-static void consumer_close( mlt_consumer this )
+static void consumer_close( mlt_consumer consumer )
{
// Stop the consumer
- mlt_consumer_stop( this );
+ mlt_consumer_stop( consumer );
// Close the parent
- mlt_consumer_close( this );
+ mlt_consumer_close( consumer );
// Free the memory
- free( this );
+ free( consumer );
}
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 producer_open( producer_avformat self, mlt_profile profile, char *file );
+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 this, mlt_frame frame );
+static void producer_set_up_video( producer_avformat self, mlt_frame frame );
#ifdef VDPAU
#include "vdpau.c"
{
// 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 ) );
// 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 );
if ( strcmp( service, "avformat-novalidate" ) )
{
// Open the file
- if ( producer_open( this, profile, file ) != 0 )
+ if ( producer_open( self, profile, file ) != 0 )
{
// Clean up
mlt_producer_close( producer );
{
// 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;
+ if ( self->dummy_context )
+ av_close_input_file( self->dummy_context );
+ self->dummy_context = NULL;
+ 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", this->audio_index );
- mlt_properties_set_int( properties, "video_index", this->video_index );
+ 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 );
}
}
else
#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;
}
/** 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, char *file )
{
// Return an error code (0 == no error)
int error = 0;
AVFormatContext *context = NULL;
// Get the properties
- mlt_properties properties = MLT_PRODUCER_PROPERTIES( this->parent );
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( self->parent );
// We will treat everything with the producer fps
double fps = mlt_profile_fps( profile );
}
if ( context->start_time != AV_NOPTS_VALUE )
- this->start_time = context->start_time;
+ self->start_time = context->start_time;
// Check if we're seekable
// avdevices are typically AVFMT_NOFILE and not seekable
- this->seekable = !format || !( format->flags & AVFMT_NOFILE );
+ self->seekable = !format || !( format->flags & AVFMT_NOFILE );
if ( context->pb )
{
// protocols can indicate if they support seeking
URLContext *uc = url_fileno( context->pb );
if ( uc )
- this->seekable = !uc->is_streamed;
+ self->seekable = !uc->is_streamed;
}
- if ( this->seekable )
+ if ( self->seekable )
{
- 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;
+ 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
- this->audio_index = audio_index;
- this->video_index = video_index;
- this->first_pts = -1;
- this->last_position = POSITION_INITIAL;
+ self->audio_index = audio_index;
+ self->video_index = video_index;
+ self->first_pts = -1;
+ self->last_position = POSITION_INITIAL;
// Fetch the width, height and aspect ratio
if ( video_index != -1 )
if ( av == 0 && audio_index != -1 && video_index != -1 )
{
// We'll use the open one as our video_format
- this->video_format = context;
+ 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
- this->audio_format = context;
+ self->audio_format = context;
}
else if ( av != 2 && video_index != -1 )
{
// We only have a video context
- this->video_format = context;
+ self->video_format = context;
}
else if ( audio_index != -1 )
{
// We only have an audio context
- this->audio_format = context;
+ self->audio_format = context;
}
else
{
/** 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
-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;
avformat_lock( );
if ( codec && avcodec_open( codec_context, codec ) >= 0 )
{
- 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( );
}
}
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 );
+ self->audio_streams, self->audio_max_stream, self->total_channels, self->max_channel );
// Other audio-specific initializations
- this->resample_factor = 1.0;
+ self->resample_factor = 1.0;
}
static void set_luma_transfer( struct SwsContext *context, int colorspace, int use_full_range )
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_service_lock( MLT_PRODUCER_SERVICE(this->parent) );
- mlt_producer producer = this->parent;
+ producer_avformat self = mlt_frame_pop_service( frame );
+ mlt_service_lock( MLT_PRODUCER_SERVICE(self->parent) );
+ mlt_producer producer = self->parent;
// Get the properties from the frame
mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
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 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_properties_get_int( properties, "noimagecache" ) )
+ self->image_cache = mlt_cache_init();
+ if ( self->image_cache )
{
- mlt_cache_item item = mlt_cache_get( this->image_cache, (void*) position );
+ mlt_cache_item item = mlt_cache_get( self->image_cache, (void*) position );
*buffer = mlt_cache_item_data( item, (int*) format );
if ( *buffer )
{
}
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" );
- this->got_picture = 1;
+ // self->top_field_first = mlt_properties_get_int( frame_properties, "top_field_first" );
+ self->got_picture = 1;
goto exit_get_image;
}
strcmp( codec_context->codec->name, "mjpeg" ) &&
strcmp( codec_context->codec->name, "rawvideo" );
- int last_position = this->last_position;
+ int last_position = self->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" );
use_new_seek = mlt_properties_get_int( properties, "new_seek" );
// Seek if necessary
- if ( position != this->video_expected || last_position < 0 )
+ if ( position != self->video_expected || last_position < 0 )
{
- if ( this->av_frame && position + 1 == this->video_expected )
+ if ( self->av_frame && position + 1 == self->video_expected )
{
// We're paused - use last image
paused = 1;
}
- else if ( !this->seekable && position > this->video_expected && ( position - this->video_expected ) < 250 )
+ 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 - this->video_expected ) / fps * source_fps );
+ ignore = ( int )( ( position - self->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 ) )
+ else if ( self->seekable && ( position < self->video_expected || position - self->video_expected >= 12 || last_position < 0 ) )
{
if ( use_new_seek && last_position == POSITION_INITIAL )
{
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 )
+ if ( ret >= 0 && ( pkt.flags & PKT_FLAG_KEY ) && pkt.stream_index == self->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;
+ self->first_pts = pkt.pts;
toscan = 0;
}
av_free_packet( &pkt );
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;
+ if ( self->first_pts > 0 )
+ timestamp += self->first_pts;
else if ( context->start_time != AV_NOPTS_VALUE )
timestamp += context->start_time;
}
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 );
+ 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, this->video_index, timestamp, AVSEEK_FLAG_BACKWARD );
+ av_seek_frame( context, self->video_index, timestamp, AVSEEK_FLAG_BACKWARD );
}
else if ( timestamp > 0 || last_position <= 0 )
{
// 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.
- if ( this->video_codec )
- avcodec_close( this->video_codec );
- this->video_codec = NULL;
- if ( this->dummy_context )
- av_close_input_file( this->dummy_context );
- this->dummy_context = NULL;
- if ( this->video_format )
- av_close_input_file( this->video_format );
- this->video_format = NULL;
+ if ( self->video_codec )
+ avcodec_close( self->video_codec );
+ self->video_codec = NULL;
+ 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 );
+ self->video_format = NULL;
avformat_unlock();
- producer_set_up_video( this, frame );
- if ( this->video_index < 0 )
+ producer_set_up_video( self, frame );
+ if ( self->video_index < 0 )
return 1;
avformat_lock();
- context = this->video_format;
- stream = context->streams[ this->video_index ];
+ context = self->video_format;
+ stream = context->streams[ self->video_index ];
codec_context = stream->codec;
}
// Remove the cached info relating to the previous position
- this->current_position = POSITION_INVALID;
- this->last_position = POSITION_INVALID;
- av_freep( &this->av_frame );
+ self->current_position = POSITION_INVALID;
+ self->last_position = POSITION_INVALID;
+ av_freep( &self->av_frame );
if ( use_new_seek )
{
}
// Duplicate the last image if necessary
- if ( this->av_frame && this->av_frame->linesize[0] && this->got_picture && this->seekable
+ if ( self->av_frame && self->av_frame->linesize[0] && self->got_picture && self->seekable
&& ( paused
- || this->current_position == req_position
- || ( !use_new_seek && this->current_position > req_position ) ) )
+ || self->current_position == req_position
+ || ( !use_new_seek && self->current_position > req_position ) ) )
{
// Duplicate it
if ( ( image_size = allocate_buffer( frame_properties, codec_context, buffer, format, width, height ) ) )
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, this->colorspace );
+ PIX_FMT_YUV420P, format, *width, *height, self->colorspace );
}
else
#endif
- convert_image( this->av_frame, *buffer, codec_context->pix_fmt,
- format, *width, *height, this->colorspace );
+ convert_image( self->av_frame, *buffer, codec_context->pix_fmt,
+ format, *width, *height, self->colorspace );
}
else
mlt_frame_get_image( frame, buffer, format, width, height, writable );
av_init_packet( &pkt );
// Construct an AVFrame for YUV422 conversion
- if ( !this->av_frame )
- this->av_frame = avcodec_alloc_frame( );
+ if ( !self->av_frame )
+ self->av_frame = avcodec_alloc_frame( );
while( ret >= 0 && !got_picture )
{
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 ( ret >= 0 && pkt.stream_index == self->video_index && pkt.size > 0 )
{
// Determine time code of the packet
if ( use_new_seek )
{
int64_t pts = pkt.pts;
- if ( this->first_pts > 0 )
- pts -= this->first_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 )
{
- this->invalid_pts_counter++;
- if ( this->invalid_pts_counter > 20 )
+ 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 );
}
else
{
- this->invalid_pts_counter = 0;
+ self->invalid_pts_counter = 0;
}
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 );
+ pkt.pts, req_position, self->current_position, int_position );
}
else
{
- if ( this->seekable && pkt.dts != AV_NOPTS_VALUE )
+ 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 = this->last_position;
+ last_position = self->last_position;
if ( int_position == last_position )
int_position = last_position + 1;
}
int_position = req_position;
}
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 );
+ 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 )
{
mlt_log_debug( MLT_PRODUCER_SERVICE(producer), " WILD TIMESTAMP!" );
}
}
- this->last_position = int_position;
+ self->last_position = int_position;
// Decode the image
if ( must_decode || int_position >= req_position )
{
#ifdef VDPAU
- if ( g_vdpau && this->vdpau )
+ if ( g_vdpau && self->vdpau )
{
- if ( g_vdpau->producer != this )
+ if ( g_vdpau->producer != self )
{
vdpau_decoder_close();
- vdpau_decoder_init( this );
+ vdpau_decoder_init( self );
}
- if ( this->vdpau )
- this->vdpau->is_decoded = 0;
+ if ( self->vdpau )
+ self->vdpau->is_decoded = 0;
}
#endif
codec_context->reordered_opaque = pkt.pts;
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->av_frame, &got_picture, &pkt );
#else
- ret = avcodec_decode_video( codec_context, this->av_frame, &got_picture, pkt.data, pkt.size );
+ ret = avcodec_decode_video( codec_context, self->av_frame, &got_picture, pkt.data, 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 ( use_new_seek )
{
// Determine time code of the packet
- int64_t pts = this->av_frame->reordered_opaque;
- if ( this->first_pts > 0 )
- pts -= this->first_pts;
+ 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, this->av_frame->key_frame );
+ mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "got frame %d, key %d\n", int_position, self->av_frame->key_frame );
}
// Handle ignore
if ( int_position < req_position )
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->av_frame->data[0];
void *planes[3];
uint32_t pitches[3];
VdpYCbCrFormat dest_format = VDP_YCBCR_FORMAT_YV12;
- if ( !this->vdpau->buffer )
- this->vdpau->buffer = mlt_pool_alloc( codec_context->width * codec_context->height * 3 / 2 );
- this->av_frame->data[0] = planes[0] = this->vdpau->buffer;
- this->av_frame->data[2] = planes[1] = this->vdpau->buffer + codec_context->width * codec_context->height;
- this->av_frame->data[1] = planes[2] = this->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
- this->av_frame->linesize[0] = pitches[0] = codec_context->width;
- this->av_frame->linesize[1] = pitches[1] = codec_context->width / 2;
- this->av_frame->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->av_frame->data[0] = planes[0] = self->vdpau->buffer;
+ self->av_frame->data[2] = planes[1] = self->vdpau->buffer + codec_context->width * codec_context->height;
+ self->av_frame->data[1] = planes[2] = self->vdpau->buffer + codec_context->width * codec_context->height * 5 / 4;
+ self->av_frame->linesize[0] = pitches[0] = codec_context->width;
+ self->av_frame->linesize[1] = pitches[1] = codec_context->width / 2;
+ self->av_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( this->av_frame, *buffer, PIX_FMT_YUV420P,
- format, *width, *height, this->colorspace );
+ convert_image( self->av_frame, *buffer, PIX_FMT_YUV420P,
+ format, *width, *height, self->colorspace );
}
else
{
mlt_log_error( MLT_PRODUCER_SERVICE(producer), "VDPAU Error: %s\n", vdp_get_error_string( status ) );
- this->vdpau->is_decoded = 0;
+ self->vdpau->is_decoded = 0;
}
}
else
}
else
#endif
- convert_image( this->av_frame, *buffer, codec_context->pix_fmt,
- format, *width, *height, this->colorspace );
- this->top_field_first |= this->av_frame->top_field_first;
- this->current_position = int_position;
- this->got_picture = 1;
+ convert_image( self->av_frame, *buffer, codec_context->pix_fmt,
+ format, *width, *height, self->colorspace );
+ self->top_field_first |= self->av_frame->top_field_first;
+ self->current_position = int_position;
+ self->got_picture = 1;
}
else
{
avformat_unlock();
- if ( this->got_picture && image_size > 0 && this->image_cache )
+ if ( self->got_picture && 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( this->image_cache, (void*) position, image, *format, mlt_pool_release );
+ mlt_cache_put( self->image_cache, (void*) position, image, *format, mlt_pool_release );
}
// Regardless of speed, we expect to get the next frame (cos we ain't too bright)
- this->video_expected = position + 1;
+ self->video_expected = position + 1;
exit_get_image:
// 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 if ( this->av_frame )
- mlt_properties_set_int( frame_properties, "progressive", !this->av_frame->interlaced_frame );
+ else if ( self->av_frame )
+ mlt_properties_set_int( frame_properties, "progressive", !self->av_frame->interlaced_frame );
// Set the field order property for this frame
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", this->top_field_first );
+ mlt_properties_set_int( frame_properties, "top_field_first", self->top_field_first );
// Set immutable properties of the selected track's (or overridden) source attributes.
- mlt_properties_set_int( properties, "meta.media.top_field_first", this->top_field_first );
+ 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(this->parent) );
+ mlt_service_unlock( MLT_PRODUCER_SERVICE(self->parent) );
- return !this->got_picture;
+ return !self->got_picture;
}
/** Process properties as AVOptions and apply to AV context obj
/** 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;
{
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 ) )
+ self->video_codec = codec_context;
+ if ( !vdpau_decoder_init( self ) )
vdpau_decoder_close();
}
}
- if ( !this->vdpau )
+ if ( !self->vdpau )
codec = avcodec_find_decoder( codec_context->codec_id );
}
#endif
if ( codec && avcodec_open( codec_context, codec ) >= 0 )
{
// 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;
}
avformat_unlock( );
apply_properties( codec_context, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM );
// Reset some image properties
- mlt_properties_set_int( properties, "width", this->video_codec->width );
- mlt_properties_set_int( properties, "height", this->video_codec->height );
+ mlt_properties_set_int( properties, "width", self->video_codec->width );
+ mlt_properties_set_int( properties, "height", self->video_codec->height );
// For DV, we'll just use the saved aspect ratio
if ( codec_context->codec_id != CODEC_ID_DVVIDEO )
- get_aspect_ratio( properties, stream, this->video_codec, NULL );
+ get_aspect_ratio( properties, stream, self->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 );
+ double source_fps = (double) self->video_codec->time_base.den /
+ ( self->video_codec->time_base.num == 0 ? 1 : self->video_codec->time_base.num );
if ( mlt_properties_get( properties, "force_fps" ) )
{
source_fps = FFMIN( source_fps, muxer_fps );
if ( source_fps >= 1.0 && ( source_fps < muxer_fps || isnan( muxer_fps ) ) )
{
- mlt_properties_set_int( properties, "meta.media.frame_rate_num", this->video_codec->time_base.den );
- mlt_properties_set_int( properties, "meta.media.frame_rate_den", this->video_codec->time_base.num == 0 ? 1 : this->video_codec->time_base.num );
+ mlt_properties_set_int( properties, "meta.media.frame_rate_num", self->video_codec->time_base.den );
+ mlt_properties_set_int( properties, "meta.media.frame_rate_den", self->video_codec->time_base.num == 0 ? 1 : self->video_codec->time_base.num );
}
else if ( muxer_fps > 0 )
{
}
else
{
- source_fps = mlt_producer_get_fps( this->parent );
+ source_fps = mlt_producer_get_fps( self->parent );
AVRational frame_rate = av_d2q( source_fps, 255 );
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 );
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 ) );
+ mlt_properties_set_double( properties, "source_fps", mlt_producer_get_fps( self->parent ) );
// Set the YUV colorspace from override or detect
- this->colorspace = mlt_properties_get_int( properties, "force_colorspace" );
+ self->colorspace = mlt_properties_get_int( properties, "force_colorspace" );
#if LIBAVCODEC_VERSION_INT > ((52<<16)+(28<<8)+0)
- if ( ! this->colorspace )
+ if ( ! self->colorspace )
{
- switch ( this->video_codec->colorspace )
+ switch ( self->video_codec->colorspace )
{
case AVCOL_SPC_SMPTE240M:
- this->colorspace = 240;
+ self->colorspace = 240;
break;
case AVCOL_SPC_BT470BG:
case AVCOL_SPC_SMPTE170M:
- this->colorspace = 601;
+ self->colorspace = 601;
break;
case AVCOL_SPC_BT709:
- this->colorspace = 709;
+ self->colorspace = 709;
break;
default:
// This is a heuristic Charles Poynton suggests in "Digital Video and HDTV"
- this->colorspace = this->video_codec->width * this->video_codec->height > 750000 ? 709 : 601;
+ self->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", this->colorspace );
+ mlt_properties_set_int( properties, "meta.media.colorspace", self->colorspace );
}
- 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" );
if ( !context && index > -1 )
{
mlt_events_block( properties, producer );
- producer_open( this, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
+ producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
mlt_properties_get( properties, "resource" ) );
- context = this->video_format;
- if ( this->dummy_context )
+ context = self->video_format;
+ if ( self->dummy_context )
{
avformat_lock();
- av_close_input_file( this->dummy_context );
+ av_close_input_file( self->dummy_context );
avformat_unlock();
}
- this->dummy_context = NULL;
+ self->dummy_context = NULL;
mlt_events_unblock( properties, producer );
- if ( this->audio_format )
- get_audio_streams_info( this );
+ if ( self->audio_format )
+ get_audio_streams_info( self );
// Process properties as AVOptions
apply_properties( context, properties, AV_OPT_FLAG_DECODING_PARAM );
}
// 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 )
+ self->video_index = index;
+ if ( self->video_codec )
{
avformat_lock();
- avcodec_close( this->video_codec );
+ avcodec_close( self->video_codec );
avformat_unlock();
}
- this->video_codec = NULL;
+ self->video_codec = NULL;
}
// 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, "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", this->video_codec->width );
- mlt_properties_set_int( properties, "meta.media.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( 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", this->colorspace );
+ mlt_properties_set_int( frame_properties, "colorspace", self->colorspace );
// Workaround 1088 encodings missing cropping info.
- if ( this->video_codec->height == 1088 && mlt_profile_dar( mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ) ) == 16.0/9.0 )
+ 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
- mlt_frame_push_service( frame, this );
+ mlt_frame_push_service( frame, self );
mlt_frame_push_get_image( frame, producer_get_image );
}
else
}
}
-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 *ignore )
{
int paused = 0;
// Seek if necessary
- if ( position != this->audio_expected )
+ if ( position != self->audio_expected )
{
- if ( position + 1 == this->audio_expected )
+ if ( position + 1 == self->audio_expected )
{
// We're paused - silence required
paused = 1;
}
- else if ( !this->seekable && position > this->audio_expected && ( position - this->audio_expected ) < 250 )
+ 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 - this->audio_expected;
+ *ignore = position - self->audio_expected;
}
- 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 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;
// Get codec context
- AVCodecContext *codec_context = this->audio_codec[ index ];
+ AVCodecContext *codec_context = self->audio_codec[ index ];
// Obtain the resample context if it exists (not always needed)
- ReSampleContext *resample = this->audio_resample[ index ];
+ ReSampleContext *resample = self->audio_resample[ index ];
// Obtain the audio buffers
- int16_t *audio_buffer = this->audio_buffer[ index ];
- int16_t *decode_buffer = this->decode_buffer[ index ];
+ int16_t *audio_buffer = self->audio_buffer[ index ];
+ int16_t *decode_buffer = self->decode_buffer[ index ];
- int audio_used = this->audio_used[ index ];
+ int audio_used = self->audio_used[ index ];
uint8_t *ptr = pkt.data;
int len = pkt.size;
int ret = 0;
#endif
if ( ret < 0 )
{
- mlt_log_warning( MLT_PRODUCER_SERVICE(this->parent), "audio decoding error %d\n", ret );
+ mlt_log_warning( MLT_PRODUCER_SERVICE(self->parent), "audio decoding error %d\n", ret );
break;
}
{
// 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 samples_needed = self->resample_factor * convert_samples + 1;
// Resize audio buffer to prevent overflow
- if ( audio_used * channels + samples_needed > this->audio_buffer_size[ index ] )
+ if ( audio_used * channels + samples_needed > self->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) );
+ self->audio_buffer_size[ index ] *= 2;
+ audio_buffer = self->audio_buffer[ index ] = mlt_pool_realloc( audio_buffer, self->audio_buffer_size[ index ] * sizeof(int16_t) );
}
if ( resample )
{
if ( context->start_time != AV_NOPTS_VALUE )
int_position -= ( int )( fps * context->start_time / AV_TIME_BASE + 0.5 );
- if ( this->seekable && *ignore == 0 )
+ if ( self->seekable && *ignore == 0 )
{
if ( int_position < req_position )
// We are behind, so skip some
*ignore = 1;
else if ( 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, ignore );
}
}
- this->audio_used[ index ] = audio_used;
+ self->audio_used[ index ] = audio_used;
return ret;
}
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 );
- mlt_service_lock( MLT_PRODUCER_SERVICE(this->parent) );
+ mlt_service_lock( MLT_PRODUCER_SERVICE(self->parent) );
// Obtain the frame number of this frame
mlt_position position = mlt_properties_get_position( MLT_FRAME_PROPERTIES( frame ), "avformat_position" );
// 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;
// Flag for paused (silence)
- int paused = seek_audio( this, position, real_timecode, &ignore );
+ int paused = seek_audio( self, position, real_timecode, &ignore );
// Fetch the audio_format
- AVFormatContext *context = this->audio_format;
+ AVFormatContext *context = self->audio_format;
// 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;
+ *channels = self->total_channels;
+ *frequency = self->max_frequency;
}
// Initialize the resamplers and buffers
for ( ; index < index_max; 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;
+ double resample_factor = self->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;
+ if ( resample_factor > self->resample_factor )
+ self->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,
+ 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 );
#else
- this->audio_resample[ index ] = audio_resample_init(
- this->audio_index == INT_MAX ? codec_context->channels : *channels,
+ self->audio_resample[ index ] = audio_resample_init(
+ self->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;
}
// 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 ] = AVCODEC_MAX_AUDIO_FRAME_SIZE;
+ self->audio_buffer[ index ] = mlt_pool_alloc( self->audio_buffer_size[ index ] * sizeof( int16_t ) );
// 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( AVCODEC_MAX_AUDIO_FRAME_SIZE * sizeof( int16_t ) );
}
}
// If not resampling, give consumer more than requested.
// It requested number samples based on requested frame rate.
// Do not clean this up with a samples *= ...!
- if ( this->audio_index != INT_MAX && ! this->audio_resample[ this->audio_index ] )
- *samples = *samples * this->audio_codec[ this->audio_index ]->sample_rate / *frequency;
+ if ( self->audio_index != INT_MAX && ! self->audio_resample[ self->audio_index ] )
+ *samples = *samples * self->audio_codec[ self->audio_index ]->sample_rate / *frequency;
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 == 0 )
{
got_audio = 1;
break;
avformat_unlock();
// 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 ) ) )
+ if ( ret >= 0 && pkt.data && pkt.size > 0 && ( pkt.stream_index == self->audio_index ||
+ ( self->audio_index == INT_MAX && context->streams[ pkt.stream_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_index == INT_MAX ? self->audio_codec[pkt.stream_index]->channels : *channels;
+ ret = decode_audio( self, &ignore, pkt, channels2, *samples, real_timecode, fps );
}
av_free_packet( &pkt );
- if ( this->audio_index == INT_MAX && ret >= 0 )
+ 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 ( this->audio_codec[ index ] && this->audio_used[ index ] < *samples )
+ if ( self->audio_codec[ index ] && self->audio_used[ index ] < *samples )
got_audio = 0;
}
}
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;
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;
+ int current_channels = self->audio_codec[ index ]->channels;
+ int16_t *src = self->audio_buffer[ index ] + i * current_channels;
memcpy( dest, src, current_channels * sizeof(int16_t) );
dest += current_channels;
}
}
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;
+ int16_t *src = self->audio_buffer[ index ] + *samples * current_channels;
+ self->audio_used[index] -= *samples;
+ memmove( self->audio_buffer[ index ], src, self->audio_used[ index ] * current_channels * sizeof(int16_t) );
}
}
// 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 ] > 0 )
+ if ( self->audio_used[ index ] > 0 )
{
- int16_t *src = this->audio_buffer[ index ];
- *samples = this->audio_used[ index ] < *samples ? this->audio_used[ index ] : *samples;
+ int16_t *src = self->audio_buffer[ index ];
+ *samples = self->audio_used[ index ] < *samples ? self->audio_used[ index ] : *samples;
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) );
+ self->audio_used[ index ] -= *samples;
+ memmove( src, &src[ *samples * *channels ], self->audio_used[ index ] * *channels * sizeof(int16_t) );
}
else
{
// Otherwise fill with silence
memset( *buffer, 0, *samples * *channels * sizeof(int16_t) );
}
- if ( !this->audio_resample[ index ] )
+ if ( !self->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;
+ *frequency = self->audio_codec[ index ]->sample_rate;
}
}
}
// 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;
- mlt_service_unlock( MLT_PRODUCER_SERVICE(this->parent) );
+ mlt_service_unlock( MLT_PRODUCER_SERVICE(self->parent) );
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 ( codec && avcodec_open( codec_context, codec ) >= 0 )
{
// 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( );
// Process properties as AVOptions
apply_properties( codec_context, 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 &&
+ 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) ),
+ producer_open( self, mlt_service_profile( MLT_PRODUCER_SERVICE(producer) ),
mlt_properties_get( properties, "resource" ) );
- context = this->audio_format;
- if ( this->dummy_context )
+ context = self->audio_format;
+ if ( self->dummy_context )
{
avformat_lock();
- av_close_input_file( this->dummy_context );
+ av_close_input_file( self->dummy_context );
avformat_unlock();
}
- this->dummy_context = NULL;
+ self->dummy_context = NULL;
mlt_events_unblock( properties, producer );
- get_audio_streams_info( this );
+ get_audio_streams_info( self );
}
// 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 );
}
// 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 ] )
+ if ( self->audio_codec[ self->audio_index ] )
{
avformat_lock();
- avcodec_close( this->audio_codec[ this->audio_index ] );
+ avcodec_close( self->audio_codec[ self->audio_index ] );
avformat_unlock();
}
- this->audio_codec[ this->audio_index ] = NULL;
+ self->audio_codec[ self->audio_index ] = NULL;
}
- 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, "frequency", self->max_frequency );
+ mlt_properties_set_int( frame_properties, "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 && 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, "frequency", self->audio_codec[ index ]->sample_rate );
+ mlt_properties_set_int( frame_properties, "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 );
}
}
// Access the private data
mlt_service service = MLT_PRODUCER_SERVICE( producer );
mlt_cache_item cache_item = mlt_service_cache_get( service, "producer_avformat" );
- producer_avformat this = mlt_cache_item_data( cache_item, NULL );
+ producer_avformat self = mlt_cache_item_data( cache_item, NULL );
// If cache miss
- if ( !this )
+ if ( !self )
{
- this = calloc( 1, sizeof( struct producer_avformat_s ) );
- producer->child = this;
- this->parent = producer;
- mlt_service_cache_put( service, "producer_avformat", this, 0, (mlt_destructor) producer_avformat_close );
+ 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" );
}
mlt_properties_set_position( MLT_FRAME_PROPERTIES( *frame ), "avformat_position", mlt_producer_frame( producer ) );
// 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 );
// 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 );
+ av_free( self->av_frame );
avformat_lock();
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 ( self->audio_resample[i] )
+ audio_resample_close( self->audio_resample[i] );
+ mlt_pool_release( self->audio_buffer[i] );
+ av_free( self->decode_buffer[i] );
+ if ( self->audio_codec[i] )
+ avcodec_close( self->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 );
+ if ( self->video_codec )
+ avcodec_close( self->video_codec );
+ if ( self->dummy_context )
+ av_close_input_file( self->dummy_context );
+ if ( self->audio_format )
+ av_close_input_file( self->audio_format );
+ if ( self->video_format )
+ av_close_input_file( self->video_format );
avformat_unlock();
#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 );
+ free( self );
}
static void producer_close( mlt_producer parent )