[FFmpeg-user] ProRes XQ 12-bit support

Kieran O Leary kieran.o.leary at gmail.com
Tue Apr 17 22:38:16 EEST 2018


On Tue, 17 Apr 2018, 20:13 Elliott Balsley, <elliottbalsley at gmail.com>

> According to the white paper, ProRes files can contain 12-bit RGB video
> with an optional 16-bit alpha channel.  Is there some way to tell whether
> this alpha channel exists?  I believe this video clip is 12-bit RGB with a
> 16-bit alpha channel, but I am trying to verify that.
> Ffprobe calls it yuv444p10le.  DaVinci Resolve identifies it as 16-bit,
> probably because it sees the alpha channel and only reports the highest bit
> depth of any channel.

Can you share a sample?

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