// Get the service base
mlt_service_base *base = this->local;
+ // Special case 'track' index - only works for last filter(s) in a particular chain
+ // but allows a filter to apply to the output frame regardless of which track it comes from
+ if ( index == -1 )
+ index = 0;
+
// Check if the producer is already registered with this service
for ( i = 0; i < base->count; i ++ )
if ( base->in[ i ] == producer )
mlt_position in = mlt_properties_get_position( properties, "in" );
mlt_position out = mlt_properties_get_position( properties, "out" );
mlt_properties_inc_ref( properties );
- mlt_service_unlock( this );
result = this->get_frame( this, frame, index );
if ( result == 0 )
{
}
mlt_service_apply_filters( this, *frame, 1 );
mlt_deque_push_back( MLT_FRAME_SERVICE_STACK( *frame ), this );
+ mlt_service_unlock( this );
}
else
{
+ mlt_service_unlock( this );
mlt_service_close( this );
}
return result;