On Tue, Apr 06, 2021 at 11:55:09PM +0200, Andreas Rheinhardt wrote: > The (deprecated) field AVCodecContext.mpeg_quant has no range > restriction; MpegEncContext.mpeg_quant is restricted to 0..1. > If the former is set, the latter is overwritten with it without > checking the range. This can trigger an av_assert2() with the MPEG-4 > encoder when writing said field. > > Fix this by just setting MpegEncContext.mpeg_quant to 1 if > AVCodecContext.mpeg_quant is set. > > Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com> > --- > This can not be triggered if one only sets options via the dictionary in > avcodec_open2(); one needs to set it directly in the AVCodecContext or > use the private class of AVCodecContext.
I tend toward checking mpeg_quant to be valid in init somewhere but this here is fine too or in addition thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Modern terrorism, a quick summary: Need oil, start war with country that has oil, kill hundread thousand in war. Let country fall into chaos, be surprised about raise of fundamantalists. Drop more bombs, kill more people, be surprised about them taking revenge and drop even more bombs and strip your own citizens of their rights and freedoms. to be continued
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