[FFmpeg-devel] [PATCH v4 4/5] ffmpeg: pass decoded or filtered AVFrame to output stream initialization

Michael Niedermayer michael at niedermayer.cc
Thu Oct 29 21:22:29 EET 2020


On Tue, Oct 27, 2020 at 08:30:55PM +0200, Jan Ekström wrote:
> Additionally, reap the first rewards by being able to set the
> color related encoding values based on the passed AVFrame.
> 
> The only tests that seem to have changed their results with this
> change seem to be the MXF tests. There, the muxer writes the
> limited/full range flag to the output container if the encoder
> is not set to "unspecified".

not sure this is useful or interresting but
heres a case where a non mxf file changes

./ffmpeg -i framestep_fails.mov -map 0:v:0 -filter:v "framestep=step=2" -codec:v libx264 -t 0.1 -an file-old.mp4
file is from ticket/5414 


[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Republics decline into democracies and democracies degenerate into
despotisms. -- Aristotle
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