/** Recursively apply attached filters
*/
-static void apply_filters( mlt_service this, mlt_frame frame, int index )
+void mlt_service_apply_filters( mlt_service this, mlt_frame frame, int index )
{
- mlt_properties properties = mlt_service_properties( this );
- mlt_service_base *base = this->local;
int i;
+ mlt_properties frame_properties = mlt_frame_properties( frame );
+ mlt_properties filter_properties = mlt_service_properties( this );
+ mlt_service_base *base = this->local;
+ mlt_position position = mlt_frame_get_position( frame );
+ mlt_position this_in = mlt_properties_get_position( filter_properties, "in" );
+
+ // Hmm - special case for cuts - apply filters from the parent first
+ if ( mlt_properties_get_int( filter_properties, "_cut" ) )
+ {
+ position -= this_in;
+ mlt_frame_set_position( frame, position );
+ mlt_service_apply_filters( ( mlt_service )mlt_properties_get_data( filter_properties, "_cut_parent", NULL ), frame, 0 );
+ }
- if ( mlt_properties_get_int( properties, "_filter_private" ) == 0 )
+ if ( index == 0 || mlt_properties_get_int( filter_properties, "_filter_private" ) == 0 )
{
// Process the frame with the attached filters
for ( i = 0; i < base->filter_count; i ++ )
{
if ( base->filters[ i ] != NULL )
{
- mlt_filter_process( base->filters[ i ], frame );
- apply_filters( mlt_filter_service( base->filters[ i ] ), frame, index );
+ mlt_properties properties = mlt_filter_properties( base->filters[ i ] );
+ mlt_position in = mlt_filter_get_in( base->filters[ i ] );
+ mlt_position out = mlt_filter_get_out( base->filters[ i ] );
+ if ( ( in == 0 && out == 0 ) || ( position >= in && ( position <= out || out == 0 ) ) )
+ {
+ mlt_frame_set_position( frame, position - in );
+ mlt_filter_process( base->filters[ i ], frame );
+ mlt_service_apply_filters( mlt_filter_service( base->filters[ i ] ), frame, index + 1 );
+ mlt_frame_set_position( frame, position + in );
+ }
}
}
}
+
+ if ( mlt_properties_get_int( filter_properties, "_cut" ) )
+ mlt_frame_set_position( frame, position + this_in );
}
/** Obtain a frame.
{
int result = this->get_frame( this, frame, index );
if ( result == 0 )
- apply_filters( this, *frame, index );
+ mlt_service_apply_filters( this, *frame, 1 );
return result;
}
*frame = mlt_frame_init( );