static void consumer_work_stop( mlt_consumer self )
{
// Make sure we're running
if ( self->started )
{
// Inform thread to stop
self->ahead = 0;
// Broadcast to the queue condition in case it's waiting
pthread_mutex_lock( &self->queue_mutex );
pthread_cond_broadcast( &self->queue_cond );
pthread_mutex_unlock( &self->queue_mutex );
// Broadcast to the put condition in case it's waiting
pthread_mutex_lock( &self->put_mutex );
pthread_cond_broadcast( &self->put_cond );
pthread_mutex_unlock( &self->put_mutex );
// Broadcast to the done condition in case it's waiting
pthread_mutex_lock( &self->done_mutex );
pthread_cond_broadcast( &self->done_cond );
pthread_mutex_unlock( &self->done_mutex );
// Join the threads
pthread_t *thread;
while ( ( thread = mlt_deque_pop_back( self->worker_threads ) ) )
pthread_join( *thread, NULL );
// Deallocate the array of threads
if ( self->threads )
free( self->threads );
// Indicate that worker threads no longer running
self->started = 0;
// Destroy the mutexes
pthread_mutex_destroy( &self->queue_mutex );
pthread_mutex_destroy( &self->done_mutex );
// Destroy the conditions
pthread_cond_destroy( &self->queue_cond );
pthread_cond_destroy( &self->done_cond );
// Wipe the queues
while ( mlt_deque_count( self->queue ) )
mlt_frame_close( mlt_deque_pop_back( self->queue ) );
// Close the queues
mlt_deque_close( self->queue );
mlt_deque_close( self->worker_threads );
}
}
void mlt_frame_close( mlt_frame self )
{
if ( self != NULL && mlt_properties_dec_ref( MLT_FRAME_PROPERTIES( self ) ) <= 0 )
{
mlt_deque_close( self->stack_image );
mlt_deque_close( self->stack_audio );
while( mlt_deque_peek_back( self->stack_service ) )
mlt_service_close( mlt_deque_pop_back( self->stack_service ) );
mlt_deque_close( self->stack_service );
mlt_properties_close( &self->parent );
free( self );
}
}
static void consumer_close( mlt_consumer parent )
{
// Get the actual object
consumer_sdl self = parent->child;
// Stop the consumer
mlt_consumer_stop( parent );
// Now clean up the rest
mlt_consumer_close( parent );
// Close the queue
mlt_deque_close( self->queue );
// Destroy mutexes
pthread_mutex_destroy( &self->audio_mutex );
pthread_cond_destroy( &self->audio_cond );
pthread_mutex_destroy( &self->video_mutex );
pthread_cond_destroy( &self->video_cond );
pthread_mutex_destroy( &self->refresh_mutex );
pthread_cond_destroy( &self->refresh_cond );
// Finally clean up this
free( self );
}
~DeckLinkConsumer()
{
if ( m_deckLinkOutput )
m_deckLinkOutput->Release();
if ( m_deckLink )
m_deckLink->Release();
if ( m_videoFrameQ )
mlt_deque_close( m_videoFrameQ );
}
~DeckLinkProducer()
{
if ( m_queue )
{
stop();
mlt_deque_close( m_queue );
pthread_mutex_destroy( &m_mutex );
pthread_cond_destroy( &m_condition );
mlt_cache_close( m_cache );
}
SAFE_RELEASE( m_decklinkInput );
SAFE_RELEASE( m_decklink );
}
virtual ~DeckLinkConsumer()
{
mlt_log_debug( getConsumer(), "%s: entering\n", __FUNCTION__ );
SAFE_RELEASE( m_displayMode );
SAFE_RELEASE( m_deckLinkKeyer );
SAFE_RELEASE( m_deckLinkOutput );
SAFE_RELEASE( m_deckLink );
mlt_deque_close( m_aqueue );
mlt_deque_close( m_frames );
op(OP_EXIT, 0);
mlt_log_debug( getConsumer(), "%s: waiting for op thread\n", __FUNCTION__ );
pthread_join(m_op_thread, NULL);
mlt_log_debug( getConsumer(), "%s: finished op thread\n", __FUNCTION__ );
pthread_mutex_destroy(&m_op_lock);
pthread_mutex_destroy(&m_op_arg_mutex);
pthread_cond_destroy(&m_op_arg_cond);
mlt_log_debug( getConsumer(), "%s: exiting\n", __FUNCTION__ );
}
static void destroy_data_queue( void *arg )
{
if ( arg != NULL )
{
// Assign the correct type
mlt_deque queue = arg;
// Iterate through each item and destroy them
while ( mlt_deque_peek_front( queue ) != NULL )
mlt_properties_close( mlt_deque_pop_back( queue ) );
// Close the deque
mlt_deque_close( queue );
}
}
static void vdpau_producer_close( producer_avformat self )
{
if ( self->vdpau )
{
mlt_log_debug( MLT_PRODUCER_SERVICE(self->parent), "vdpau_producer_close\n" );
int i;
for ( i = 0; i < MAX_VDPAU_SURFACES; i++ )
{
if ( self->vdpau->render_states[i].surface != VDP_INVALID_HANDLE )
vdp_surface_destroy( self->vdpau->render_states[i].surface );
self->vdpau->render_states[i].surface = VDP_INVALID_HANDLE;
}
mlt_deque_close( self->vdpau->deque );
if ( self->vdpau->buffer )
mlt_pool_release( self->vdpau->buffer );
self->vdpau->buffer = NULL;
vdpau_fini( self );
}
}
void process_queue( mlt_deque data_queue, mlt_frame frame, mlt_filter filter )
{
if ( data_queue != NULL )
{
// Create a new queue for those that we can't handle
mlt_deque temp_queue = mlt_deque_init( );
// Iterate through each entry on the queue
while ( mlt_deque_peek_front( data_queue ) != NULL )
{
// Get the data feed
mlt_properties feed = mlt_deque_pop_front( data_queue );
if ( mlt_properties_get( MLT_FILTER_PROPERTIES( filter ), "debug" ) != NULL )
mlt_properties_debug( feed, mlt_properties_get( MLT_FILTER_PROPERTIES( filter ), "debug" ), stderr );
// Process the data feed...
if ( process_feed( feed, filter, frame ) == 0 )
mlt_properties_close( feed );
else
mlt_deque_push_back( temp_queue, feed );
}
// Now put the unprocessed feeds back on the stack
while ( mlt_deque_peek_front( temp_queue ) )
{
// Get the data feed
mlt_properties feed = mlt_deque_pop_front( temp_queue );
// Put it back on the data queue
mlt_deque_push_back( data_queue, feed );
}
// Close the temporary queue
mlt_deque_close( temp_queue );
}
}
static void consumer_read_ahead_stop( mlt_consumer self )
{
// Make sure we're running
if ( self->started )
{
// Inform thread to stop
self->ahead = 0;
// Broadcast to the condition in case it's waiting
pthread_mutex_lock( &self->queue_mutex );
pthread_cond_broadcast( &self->queue_cond );
pthread_mutex_unlock( &self->queue_mutex );
// Broadcast to the put condition in case it's waiting
pthread_mutex_lock( &self->put_mutex );
pthread_cond_broadcast( &self->put_cond );
pthread_mutex_unlock( &self->put_mutex );
// Join the thread
pthread_join( self->ahead_thread, NULL );
self->started = 0;
// Destroy the frame queue mutex
pthread_mutex_destroy( &self->queue_mutex );
// Destroy the condition
pthread_cond_destroy( &self->queue_cond );
// Wipe the queue
while ( mlt_deque_count( self->queue ) )
mlt_frame_close( mlt_deque_pop_back( self->queue ) );
// Close the queue
mlt_deque_close( self->queue );
}
}
static int vdpau_decoder_init( producer_avformat self )
{
mlt_log_debug( MLT_PRODUCER_SERVICE(self->parent), "vdpau_decoder_init\n" );
int success = 1;
self->video_codec->opaque = self;
self->video_codec->get_format = vdpau_get_format;
self->video_codec->get_buffer = vdpau_get_buffer;
self->video_codec->release_buffer = vdpau_release_buffer;
self->video_codec->draw_horiz_band = vdpau_draw_horiz;
self->video_codec->slice_flags = SLICE_FLAG_CODED_ORDER | SLICE_FLAG_ALLOW_FIELD;
self->video_codec->pix_fmt = PIX_FMT_VDPAU_H264;
VdpDecoderProfile profile = VDP_DECODER_PROFILE_H264_HIGH;
uint32_t max_references = self->video_codec->refs;
pthread_mutex_lock( &mlt_sdl_mutex );
VdpStatus status = vdp_decoder_create( self->vdpau->device,
profile, self->video_codec->width, self->video_codec->height, max_references, &self->vdpau->decoder );
pthread_mutex_unlock( &mlt_sdl_mutex );
if ( status == VDP_STATUS_OK )
{
int i, n = FFMIN( self->video_codec->refs + 2, MAX_VDPAU_SURFACES );
self->vdpau->deque = mlt_deque_init();
for ( i = 0; i < n; i++ )
{
if ( VDP_STATUS_OK == vdp_surface_create( self->vdpau->device, VDP_CHROMA_TYPE_420,
self->video_codec->width, self->video_codec->height, &self->vdpau->render_states[i].surface ) )
{
mlt_log_debug( MLT_PRODUCER_SERVICE(self->parent), "successfully created VDPAU surface %x\n",
self->vdpau->render_states[i].surface );
mlt_deque_push_back( self->vdpau->deque, &self->vdpau->render_states[i] );
}
else
{
mlt_log_info( MLT_PRODUCER_SERVICE(self->parent), "failed to create VDPAU surface %dx%d\n",
self->video_codec->width, self->video_codec->height );
while ( mlt_deque_count( self->vdpau->deque ) )
{
struct vdpau_render_state *render = mlt_deque_pop_front( self->vdpau->deque );
vdp_surface_destroy( render->surface );
}
mlt_deque_close( self->vdpau->deque );
success = 0;
break;
}
}
if ( self->vdpau )
self->vdpau->b_age = self->vdpau->ip_age[0] = self->vdpau->ip_age[1] = 256*256*256*64; // magic from Avidemux
}
else
{
success = 0;
self->vdpau->decoder = VDP_INVALID_HANDLE;
mlt_log_error( MLT_PRODUCER_SERVICE(self->parent), "VDPAU failed to initialize decoder (%s)\n",
vdp_get_error_string( status ) );
}
return success;
}
static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int track )
{
mlt_tractor self = parent->child;
// We only respond to the first track requests
if ( track == 0 && self->producer != NULL )
{
int i = 0;
int done = 0;
mlt_frame temp = NULL;
int count = 0;
int image_count = 0;
// Get the properties of the parent producer
mlt_properties properties = MLT_PRODUCER_PROPERTIES( parent );
// Try to obtain the multitrack associated to the tractor
mlt_multitrack multitrack = mlt_properties_get_data( properties, "multitrack", NULL );
// Or a specific producer
mlt_producer producer = mlt_properties_get_data( properties, "producer", NULL );
// Determine whether this tractor feeds to the consumer or stops here
int global_feed = mlt_properties_get_int( properties, "global_feed" );
// If we don't have one, we're in trouble...
if ( multitrack != NULL )
{
// The output frame will hold the 'global' data feeds (ie: those which are targetted for the final frame)
mlt_deque data_queue = mlt_deque_init( );
// Used to garbage collect all frames
char label[ 30 ];
// Get the id of the tractor
char *id = mlt_properties_get( properties, "_unique_id" );
// Will be used to store the frame properties object
mlt_properties frame_properties = NULL;
// We'll store audio and video frames to use here
mlt_frame audio = NULL;
mlt_frame video = NULL;
mlt_frame first_video = NULL;
// Temporary properties
mlt_properties temp_properties = NULL;
// Get the multitrack's producer
mlt_producer target = MLT_MULTITRACK_PRODUCER( multitrack );
mlt_producer_seek( target, mlt_producer_frame( parent ) );
mlt_producer_set_speed( target, mlt_producer_get_speed( parent ) );
// We will create one frame and attach everything to it
*frame = mlt_frame_init( MLT_PRODUCER_SERVICE( parent ) );
// Get the properties of the frame
frame_properties = MLT_FRAME_PROPERTIES( *frame );
// Loop through each of the tracks we're harvesting
for ( i = 0; !done; i ++ )
{
// Get a frame from the producer
mlt_service_get_frame( self->producer, &temp, i );
// Get the temporary properties
temp_properties = MLT_FRAME_PROPERTIES( temp );
// Pass all unique meta properties from the producer's frame to the new frame
mlt_properties_lock( temp_properties );
int props_count = mlt_properties_count( temp_properties );
int j;
for ( j = 0; j < props_count; j ++ )
{
char *name = mlt_properties_get_name( temp_properties, j );
if ( !strncmp( name, "meta.", 5 ) && !mlt_properties_get( frame_properties, name ) )
mlt_properties_set( frame_properties, name, mlt_properties_get_value( temp_properties, j ) );
}
mlt_properties_unlock( temp_properties );
// Copy the format conversion virtual functions
if ( ! (*frame)->convert_image && temp->convert_image )
(*frame)->convert_image = temp->convert_image;
if ( ! (*frame)->convert_audio && temp->convert_audio )
(*frame)->convert_audio = temp->convert_audio;
// Check for last track
done = mlt_properties_get_int( temp_properties, "last_track" );
// Handle fx only tracks
if ( mlt_properties_get_int( temp_properties, "fx_cut" ) )
{
int hide = ( video == NULL ? 1 : 0 ) | ( audio == NULL ? 2 : 0 );
mlt_properties_set_int( temp_properties, "hide", hide );
}
// We store all frames with a destructor on the output frame
sprintf( label, "_%s_%d", id, count ++ );
mlt_properties_set_data( frame_properties, label, temp, 0, ( mlt_destructor )mlt_frame_close, NULL );
// We want to append all 'final' feeds to the global queue
if ( !done && mlt_properties_get_data( temp_properties, "data_queue", NULL ) != NULL )
{
// Move the contents of this queue on to the output frames data queue
mlt_deque sub_queue = mlt_properties_get_data( MLT_FRAME_PROPERTIES( temp ), "data_queue", NULL );
mlt_deque temp = mlt_deque_init( );
while ( global_feed && mlt_deque_count( sub_queue ) )
{
mlt_properties p = mlt_deque_pop_back( sub_queue );
if ( mlt_properties_get_int( p, "final" ) )
mlt_deque_push_back( data_queue, p );
else
mlt_deque_push_back( temp, p );
}
while( mlt_deque_count( temp ) )
mlt_deque_push_front( sub_queue, mlt_deque_pop_back( temp ) );
mlt_deque_close( temp );
}
// Now do the same with the global queue but without the conditional behaviour
if ( mlt_properties_get_data( temp_properties, "global_queue", NULL ) != NULL )
{
mlt_deque sub_queue = mlt_properties_get_data( MLT_FRAME_PROPERTIES( temp ), "global_queue", NULL );
while ( mlt_deque_count( sub_queue ) )
{
mlt_properties p = mlt_deque_pop_back( sub_queue );
mlt_deque_push_back( data_queue, p );
}
}
// Pick up first video and audio frames
if ( !done && !mlt_frame_is_test_audio( temp ) && !( mlt_properties_get_int( temp_properties, "hide" ) & 2 ) )
{
// Order of frame creation is starting to get problematic
if ( audio != NULL )
{
mlt_deque_push_front( MLT_FRAME_AUDIO_STACK( temp ), producer_get_audio );
mlt_deque_push_front( MLT_FRAME_AUDIO_STACK( temp ), audio );
}
audio = temp;
}
if ( !done && !mlt_frame_is_test_card( temp ) && !( mlt_properties_get_int( temp_properties, "hide" ) & 1 ) )
{
if ( video != NULL )
{
mlt_deque_push_front( MLT_FRAME_IMAGE_STACK( temp ), producer_get_image );
mlt_deque_push_front( MLT_FRAME_IMAGE_STACK( temp ), video );
}
video = temp;
if ( first_video == NULL )
first_video = temp;
mlt_properties_set_int( MLT_FRAME_PROPERTIES( temp ), "image_count", ++ image_count );
image_count = 1;
}
}
// Now stack callbacks
if ( audio != NULL )
{
mlt_frame_push_audio( *frame, audio );
mlt_frame_push_audio( *frame, producer_get_audio );
}
if ( video != NULL )
{
mlt_properties video_properties = MLT_FRAME_PROPERTIES( first_video );
mlt_frame_push_service( *frame, video );
mlt_frame_push_service( *frame, producer_get_image );
if ( global_feed )
mlt_properties_set_data( frame_properties, "data_queue", data_queue, 0, NULL, NULL );
mlt_properties_set_data( video_properties, "global_queue", data_queue, 0, destroy_data_queue, NULL );
mlt_properties_set_int( frame_properties, "width", mlt_properties_get_int( video_properties, "width" ) );
mlt_properties_set_int( frame_properties, "height", mlt_properties_get_int( video_properties, "height" ) );
mlt_properties_pass_list( frame_properties, video_properties, "meta.media.width, meta.media.height" );
mlt_properties_set_int( frame_properties, "progressive", mlt_properties_get_int( video_properties, "progressive" ) );
mlt_properties_set_double( frame_properties, "aspect_ratio", mlt_properties_get_double( video_properties, "aspect_ratio" ) );
mlt_properties_set_int( frame_properties, "image_count", image_count );
mlt_properties_set_data( frame_properties, "_producer", mlt_frame_get_original_producer( first_video ), 0, NULL, NULL );
}
else
{
destroy_data_queue( data_queue );
}
mlt_frame_set_position( *frame, mlt_producer_frame( parent ) );
mlt_properties_set_int( MLT_FRAME_PROPERTIES( *frame ), "test_audio", audio == NULL );
mlt_properties_set_int( MLT_FRAME_PROPERTIES( *frame ), "test_image", video == NULL );
}
else if ( producer != NULL )
{
mlt_producer_seek( producer, mlt_producer_frame( parent ) );
mlt_producer_set_speed( producer, mlt_producer_get_speed( parent ) );
mlt_service_get_frame( self->producer, frame, track );
}
else
{
mlt_log( MLT_PRODUCER_SERVICE( parent ), MLT_LOG_ERROR, "tractor without a multitrack!!\n" );
mlt_service_get_frame( self->producer, frame, track );
}
// Prepare the next frame
mlt_producer_prepare_next( parent );
// Indicate our found status
return 0;
}
else
{
// Generate a test card
*frame = mlt_frame_init( MLT_PRODUCER_SERVICE( parent ) );
return 0;
}
}