if (current_color_space != output_format.color_space) {
ColorSpaceConversionEffect *colorspace_conversion = new ColorSpaceConversionEffect();
colorspace_conversion->set_int("source_space", current_color_space);
colorspace_conversion->set_int("destination_space", output_format.color_space);
if (current_color_space != output_format.color_space) {
ColorSpaceConversionEffect *colorspace_conversion = new ColorSpaceConversionEffect();
colorspace_conversion->set_int("source_space", current_color_space);
colorspace_conversion->set_int("destination_space", output_format.color_space);