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| author | Dale Curtis <dalecurtis@chromium.org> | 2017-11-17 16:05:30 -0800 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-12-02 00:28:59 +0100 |
| commit | c09d587ac54d0ecb8190618fb867e9fd907e1359 (patch) | |
| tree | 4f8c0907b2bb1b1dd5f4a435140bc280697751aa /libavcodec/mpegvideodsp.h | |
| parent | 712814fb17b62557d17d0bcff5b57e2a9d8e613c (diff) | |
| download | ffmpeg-c09d587ac54d0ecb8190618fb867e9fd907e1359.tar.gz | |
Fix undefined shift on assumed 8-bit input.
decode_user_data() attempts to create an integer |build|
value with 8 bits of spacing for 3 components. However
each component is an int32_t, so shifting each component
is undefined for values outside of the 8 bit range.
This patch simply clamps input to 8-bits per component
and prints out a warning that the values were clamped.
Signed-off-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7010dd98b575d2e39fca947e609b85be7490b269)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/mpegvideodsp.h')
0 files changed, 0 insertions, 0 deletions