[FFmpeg-devel] [PATCH 4/4] tools/target_dec_fuzzer: Adjust max_pixels for IDCIN

Michael Niedermayer michael at niedermayer.cc
Thu Aug 22 11:16:33 EEST 2019


On Thu, Aug 22, 2019 at 10:09:30AM +0200, Paul B Mahol wrote:
> Why not fix issues listed in decoder code instead of this hack?

I can improve the VLC reader and will probably look into that
but i dont think that will provide the factor of 2000 speedup needed 
to avoid the adjustment. It might reduce the factor needed though.

thx


[...]

> > +        // Unoptimized VLC reading and allows a small input to generate
> > gigantic output
> > +    case AV_CODEC_ID_IDCIN:     maxpixels /= 2048; break;
[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Take away the freedom of one citizen and you will be jailed, take away
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