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| author | Xi Wang <xi.wang@gmail.com> | 2013-03-15 06:31:21 -0400 |
|---|---|---|
| committer | Reinhard Tartler <siretart@tauware.de> | 2013-05-09 11:29:05 +0200 |
| commit | 78889be3fb4b78a980de283a80a6eabb307db882 (patch) | |
| tree | c60a23674751044c8b424c433477dfbf6256cce1 /libavcodec/mpegaudiodec.c | |
| parent | c65763a2c677d75388828b9411a69e95bd3ab7af (diff) | |
| download | ffmpeg-78889be3fb4b78a980de283a80a6eabb307db882.tar.gz | |
atrac3: avoid oversized shifting in decode_bytes()
When `off' is 0, `0x537F6103 << 32' in the following expression invokes
undefined behavior, the result of which is not necessarily 0.
(0x537F6103 >> (off * 8)) | (0x537F6103 << (32 - (off * 8)))
Avoid oversized shifting.
CC: libav-stable@libav.org
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
(cherry picked from commit eba1ff31304e407db3cefd7532108408f364367b)
Conflicts:
libavcodec/atrac3.c
Diffstat (limited to 'libavcodec/mpegaudiodec.c')
0 files changed, 0 insertions, 0 deletions