On Fri, May 01, 2015 at 03:52:06PM +0200, Jerome Martinez wrote: > In FFV1 specification, I read: > > > plane_count prior to version 4: without transparency: 2 else 3. > > version 4 and later: gray: 1, gray+alpha or color:2, color+alpha:3 > > but in both headers (FrameHeader01 or GlobalHeader), I see > chroma_planes flag, it looks like all versions of FFV1 bitstream are > supporting gray (and gray+alpha). > Does it make sense to consider this difference between "prior to > version 4" and "version 4 and later" as applicable to the FFmpeg > encoder/decoder, not the FFV1 bistream specification itself?
plane_count was 2 for gray prior to version 4 [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Good people do not need laws to tell them to act responsibly, while bad people will find a way around the laws. -- Plato
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