return mlt_multitrack_track( mlt_tractor_multitrack( this ), index );
}
+static uint8_t *mlt_tractor_alpha_mask( mlt_frame frame )
+{
+ return mlt_properties_get_data( mlt_frame_properties( frame ), "alpha", NULL );
+}
+
static int producer_get_image( mlt_frame this, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
{
+ uint8_t *data = NULL;
mlt_properties properties = mlt_frame_properties( this );
mlt_frame frame = mlt_frame_pop_service( this );
mlt_properties_inherit( mlt_frame_properties( frame ), properties );
mlt_properties_set_data( properties, "image", *buffer, *width * *height * 2, NULL, NULL );
mlt_properties_set_int( properties, "width", *width );
mlt_properties_set_int( properties, "height", *height );
+ mlt_properties_set_double( properties, "aspect_ratio", mlt_frame_get_aspect_ratio( frame ) );
+ data = mlt_frame_get_alpha_mask( frame );
+ mlt_properties_set_data( properties, "alpha", data, 0, NULL, NULL );
+ this->get_alpha_mask = mlt_tractor_alpha_mask;
return 0;
}
mlt_frame audio = NULL;
mlt_frame video = NULL;
+ // Determine which data_queue to pass on...
+ void *data_queue = NULL;
+
// Get the multitrack's producer
mlt_producer target = mlt_multitrack_producer( multitrack );
mlt_producer_seek( target, mlt_producer_frame( parent ) );
sprintf( label, "_%s_%d", id, count ++ );
mlt_properties_set_data( frame_properties, label, temp, 0, ( mlt_destructor )mlt_frame_close, NULL );
+ // We want the last data_queue
+ if ( mlt_properties_get_data( mlt_frame_properties( temp ), "data_queue", NULL ) != NULL )
+ data_queue = mlt_properties_get_data( mlt_frame_properties( temp ), "data_queue", NULL );
+
// Pick up first video and audio frames
if ( !done && !mlt_frame_is_test_audio( temp ) && !( mlt_properties_get_int( mlt_frame_properties( temp ), "hide" ) & 2 ) )
audio = temp;
if ( video != NULL )
{
+ mlt_properties_set_data( mlt_frame_properties( *frame ), "data_queue", data_queue, 0, NULL, NULL );
mlt_frame_push_service( *frame, video );
mlt_frame_push_service( *frame, producer_get_image );
mlt_properties_inherit( mlt_frame_properties( *frame ), mlt_frame_properties( video ) );