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| author | Dale Curtis <dalecurtis@chromium.org> | 2017-11-17 13:35:56 -0800 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-12-02 00:11:07 +0100 |
| commit | 6ecf356b4939e23e45a524f668447965d5c6229c (patch) | |
| tree | 6b1a7fff13efc8e01521ea8fbf78760ca47332c7 /libavcodec/jpeg2000dwt.c | |
| parent | ad780b0b9162a8e25e2915032078b6ef6ce72701 (diff) | |
| download | ffmpeg-6ecf356b4939e23e45a524f668447965d5c6229c.tar.gz | |
avformat/utils: Prevent undefined shift with wrap_bits > 64.
2LL << (wrap_bits=64 - 1) does not fit in int64_t; change the
code to use a uint64_t (2ULL) and add an av_assert2() to
ensure wrap_bits <= 64.
Signed-off-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 03fbc0daa7e37af024f8b017a28105c32bbe25ca)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/jpeg2000dwt.c')
0 files changed, 0 insertions, 0 deletions