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FFmpeg/libavcodec
Andreas Rheinhardt 0f0f2ab0c3 avcodec/cavsdsp: Fix undefined left shifts of negative numbers
Affected the ffmpeg-filter_colorkey FATE-test (but only if the C version
of idct8_add is used and not e.g. the x86 SSE2 version).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

Fixes: left shift of negative value -107
Fixes: 20398/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CAVS_fuzzer-5725389278412800

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-02-07 12:35:48 +01:00
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