- if ( !GlslManager::get_effect( filter, frame ) )
- GlslManager::add_effect( filter, frame, new LiftGammaGainEffect );
+ if ( !GlslManager::get_effect( MLT_FILTER_SERVICE( filter ), frame ) )
+ GlslManager::add_effect( MLT_FILTER_SERVICE( filter ), frame, new LiftGammaGainEffect );