On Sat, Dec 22, 2018 at 3:18 PM Paul B Mahol <one...@gmail.com> wrote:
> On 12/22/18, Steinar H. Gunderson <steinar+ffm...@gunderson.no> wrote: > > On Sat, Dec 22, 2018 at 09:04:26PM +0100, Paul B Mahol wrote: > >> I can not accept internal conversion to RGB. This is subsampled format > >> after all. > > > > Well, it's not Y'CbCr, so if so, you'd need to add a new AVPixelFormat > value > > (e.g. AV_PIX_FMT_YCC420P). I'm not sure what applications would do with > it > > except convert it to RGB, though. (You can't convert subsampled YCC to > > subsampled Y'CbCr without upsampling, converting and then subsampling > again, > > which is obviously lossy.) > > Unacceptable, I'm not adding another yuv420p variant. > Agreed, no need for another pixel format variant, but maybe you could just leave the buffer as is and tag the color transfer with AVCOL_TRC_IEC61966_2_1? -- Vittorio _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
