let myinfo = NAVideoInfo::new(out_width, height, false, fmt);
let bufret = alloc_video_buffer(myinfo, 2);
if let Err(_) = bufret { return Err(DecoderError::InvalidData); }
let myinfo = NAVideoInfo::new(out_width, height, false, fmt);
let bufret = alloc_video_buffer(myinfo, 2);
if let Err(_) = bufret { return Err(DecoderError::InvalidData); }