On Tue, May 20, 2025 at 4:53 PM Erik Dobberkau <erik.dobber...@gmail.com> wrote:
> > yuv420p10le(tv,bt2020nc/bt2020/smpte2084) > > \ \ \ \ > > \ matrix \ transfer > > range primaries > > Is the above _always_ the correct interpretation of the order? > > > > Here: https://ffmpeg.org/ffmpeg-filters.html#colorspace, > > 1) Does "Input video needs to have an even size" really mean an even > > number of rows? > > 2) Is 'colorspace=space=<string>' really 'matrix'? > > 3) What is 'colorspace=format=<string>'? > > 4) The formats, whatever they are, are all yuv, so > > 'colorspace=format=<string>' outputs yuv? > > 5) Are all 'colorspace' outputs always yuv? > > > > re 1): Both width and height must be even. > re 2): set the matrix to use for the output. So yes. > re 3): you can only pick yuvXXXpNN formats to set the subsampling and bit > depth (XXX = { 420, 422, 444 }, NN = { [noValue -> 8 bpc], 10, 12 }) > re 4): Yes. > re 5): Yes. > > From what I read in trac and Doxygen, I'd recommend you avoid using this > filter if you can... > That would be incorrect/limited/ colormatrix. colorspace is better, but not perfect. Hopefully newer version of swscale in the making will address this. _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
