Re: [FFmpeg-devel] [PATCH 5/5] avcodec/dstdec: Use get_ur_golomb_jpegls()

2019-11-09 Thread Michael Niedermayer
On Tue, Oct 08, 2019 at 05:44:55PM +0200, Paul B Mahol wrote: > How are you sure this is still correctly decoding samples? get_ur_golomb() implements a optimized ur golomb reader for short limits with escape codes. get_ur_golomb_jpegls() supports longer codes but is slower, it differs in how it ha

Re: [FFmpeg-devel] [PATCH 5/5] avcodec/dstdec: Use get_ur_golomb_jpegls()

2019-10-08 Thread Paul B Mahol
How are you sure this is still correctly decoding samples? On 10/1/19, Michael Niedermayer wrote: > Fixes: shift exponent -4 is negative > Fixes: > 17793/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DST_fuzzer-5766088435957760 > > Found-by: continuous fuzzing process > https://github.com/goo

[FFmpeg-devel] [PATCH 5/5] avcodec/dstdec: Use get_ur_golomb_jpegls()

2019-09-30 Thread Michael Niedermayer
Fixes: shift exponent -4 is negative Fixes: 17793/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DST_fuzzer-5766088435957760 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/dstdec.c | 2 +-