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authorDonny Yang <work@kota.moe>2015-06-07 18:12:30 +0000
committerMichael Niedermayer <michaelni@gmx.at>2015-06-08 15:32:49 +0200
commited09bb3782e23c12a110469bf6e794f7ce8687e9 (patch)
treec7a3d9bf5df61785fd6936e9f808d8e5585a0515 /doc
parent6dd5371e34c6602591766f73aa647b369d77853b (diff)
downloadffmpeg-ed09bb3782e23c12a110469bf6e794f7ce8687e9.tar.gz
avcodec/apng: Dispose previous frame properly
The spec specifies the dispose operation as how the current (i.e., currently being rendered) frame should be disposed when the next frame is blended onto it This is contrary to ffmpeg's current behaviour of interpreting the dispose operation as how the previous (i.e., already rendered) frame should be disposed This patch fixes ffmpeg's behaviour to match those of the spec, which involved a rewrite of the blending function Signed-off-by: Donny Yang <work@kota.moe> Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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