[FFmpeg-user] Extracting frames from HDR video to PNG format - question about PQ nonlinearity [txt]

[Michał Kudelski]

czw., 23 sty 2020 o 15:47 Carl Eugen Hoyos <ceffmpeg at gmail.com> napisał(a):
>
> FFmpeg does not (yet) support HDR10, the colour space transformation
> is done as if the input were not HDR (but just 10bit yuv).
>
> Carl Eugen
>

Thanks for this information Carl!

Could you please give me a hint where to find the exact equations of
transformations made when converting 10bit yuv to 16bit RGB/sRGB in
the output PNG file? (e.g. reference to ffmpeg documentation or place
in the source code)

czw., 23 sty 2020 o 15:47 Carl Eugen Hoyos <ceffmpeg at gmail.com> napisał(a):
>
> Am Do., 23. Jan. 2020 um 15:44 Uhr schrieb Michał Kudelski
> <m.a.kudelski at gmail.com>:
> >
> > [sorry for my previous post - had some problems with my mail client
> > and text formatting...]
>
> We saw it...
>
> FFmpeg does not (yet) support HDR10, the colour space transformation
> is done as if the input were not HDR (but just 10bit yuv).
>
> Carl Eugen
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