Yeah, that's pretty dubious. I was under the impression that all video players do that anyway - that video is encoded in the YUV color space and always converte

Yeah, that's pretty dubious. I was under the impression that all video players do that anyway - that video is encoded in the YUV color space and always converted to RGB on playback. To blame that for their poor performance suggests that their YUV-RGB conversion code is among the slowest in the industry.