let myinfo = NAVideoInfo::new(self.width, self.height, false, RGB24_FORMAT);
let bufret = alloc_video_buffer(myinfo, 2);
if let Err(_) = bufret { return Err(DecoderError::InvalidData); }
let myinfo = NAVideoInfo::new(self.width, self.height, false, RGB24_FORMAT);
let bufret = alloc_video_buffer(myinfo, 2);
if let Err(_) = bufret { return Err(DecoderError::InvalidData); }