示例#1
0
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 );
	}
}
示例#2
0
文件: mlt_frame.c 项目: agpanarin/mlt
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 );
	}
}
示例#3
0
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 );
}
示例#4
0
	~DeckLinkConsumer()
	{
		if ( m_deckLinkOutput )
			m_deckLinkOutput->Release();
		if ( m_deckLink )
			m_deckLink->Release();
		if ( m_videoFrameQ )
			mlt_deque_close( m_videoFrameQ );
	}
示例#5
0
 ~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 );
 }
示例#6
0
	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__ );
	}
示例#7
0
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 );
	}
}
示例#8
0
文件: vdpau.c 项目: aib/mlt
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 );
	}
}
示例#9
0
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 );
	}
}
示例#10
0
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 );
	}
}
示例#11
0
文件: vdpau.c 项目: aib/mlt
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;
}
示例#12
0
文件: mlt_tractor.c 项目: elfring/mlt
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;
	}
}