[FFmpeg-devel] [PATCH] lavc/qtrle: Use AV_PIX_FMT_PAL8 for 1-bit video

Michael Niedermayer michael at niedermayer.cc
Sat Jan 2 14:15:18 CET 2016

On Sat, Jan 02, 2016 at 02:09:36PM +0100, Mats Peterson wrote:
> On 01/02/2016 01:33 PM, Michael Niedermayer wrote:
> >>
> >>One of the major peculiarities in my book is that the two blue
> >>colors in the video sample description and the white background are
> >>THREE colors together. Not exactly what I would call 1-bit video. I
> >>have absolutely no idea what they are doing in QuickTime, since this
> >>stuff is totally undocumented, but obviously they use three color
> >>indices in order to be able to provide this white background.
> >
> >The Earth\ Spin\ 1-bit\ qtrle.mov file i have (2a73988ea94a1201a9cf477d71d3ff29)
> >plays with 2 shades of blue in quicktime no white, identical to
> >what the output with this patch looks like
> >
> >I will thus apply this patch unless there are some objections
> >
> >where can i find the file that plays with 3 colors ?
> >
> Yes there are two shades of blue on the globe, but don't you see the
> white background?

no, there is no white background with quicktime player 10.4 on a
macbook air with the file i have

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The misfortune of the wise is better than the prosperity of the fool.
-- Epicurus
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