src/framework/mlt_geometry.c

[melted] / src / framework / mlt_tractor.c

diff --git a/src/framework/mlt_tractor.c b/src/framework/mlt_tractor.c
index 9a1f32e..ce678cf 100644 (file)
--- a/src/framework/mlt_tractor.c
+++ b/src/framework/mlt_tractor.c
@@ -323,6 +323,55 @@ static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int tra
                                // Check for last track
                                done = mlt_properties_get_int( temp_properties, "last_track" );
 
+                               // Handle fx only tracks
+                               if ( mlt_properties_get_int( temp_properties, "meta.fx_cut" ) )
+                               {
+                                       mlt_properties copy = video == NULL ? frame_properties : MLT_FRAME_PROPERTIES( video );
+                                       int i = 0;
+
+                                       for ( i = 0; i < mlt_properties_count( temp_properties ); i ++ )
+                                       {
+                                               char *name = mlt_properties_get_name( temp_properties, i );
+                                               char *value = mlt_properties_get_value( temp_properties, i );
+                                               // For animated filters
+                                               if ( isdigit( name[ 0 ] ) && value != NULL )
+                                                       mlt_properties_set( copy, name, value );
+                                       }
+
+                                       if ( video )
+                                       {
+                                               // Take all but the first placeholding producer and dump on to the image stack
+                                               void *p = mlt_deque_pop_front( MLT_FRAME_IMAGE_STACK( temp ) );
+                                               while ( ( p = mlt_deque_pop_front( MLT_FRAME_IMAGE_STACK( temp ) ) ) != NULL )
+                                                       mlt_deque_push_back( MLT_FRAME_IMAGE_STACK( video ), p );
+                                       }
+                                       else
+                                       {
+                                               void *p = NULL;
+                                               while ( ( p = mlt_deque_pop_front( MLT_FRAME_IMAGE_STACK( temp ) ) ) != NULL )
+                                                       mlt_deque_push_back( MLT_FRAME_IMAGE_STACK( *frame ), p );
+                                               mlt_properties_set_int( frame_properties, "meta.fx_cut", 1 );
+                                       }
+
+                                       if ( audio )
+                                       {
+                                               // Take all but the first placeholding producer and dump on to the audio stack
+                                               void *p = mlt_deque_pop_front( MLT_FRAME_AUDIO_STACK( temp ) );
+                                               while ( ( p = mlt_deque_pop_front( MLT_FRAME_AUDIO_STACK( temp ) ) ) != NULL )
+                                                       mlt_deque_push_back( MLT_FRAME_AUDIO_STACK( audio ), p );
+                                       }
+                                       else
+                                       {
+                                               void *p = NULL;
+                                               while ( ( p = mlt_deque_pop_front( MLT_FRAME_AUDIO_STACK( temp ) ) ) != NULL )
+                                                       mlt_deque_push_back( MLT_FRAME_AUDIO_STACK( *frame ), p );
+                                               mlt_properties_set_int( frame_properties, "meta.fx_cut", 1 );
+                                       }
+
+                                       // Ensure everything is hidden
+                                       mlt_properties_set_int( temp_properties, "hide", 3 );
+                               }
+
                                // 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 );
@@ -362,6 +411,7 @@ static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int tra
                                        audio = temp;
                                if ( !done && !mlt_frame_is_test_card( temp ) && !( mlt_properties_get_int( temp_properties, "hide" ) & 1 ) )
                                        video = temp;
+
                        }
        
                        // Now stack callbacks