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authorMichael Niedermayer <michaelni@gmx.at>2013-03-16 14:10:09 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-03-16 14:10:09 +0100
commitaef816f957eec100da42bcbf65e3bfe86df679fa (patch)
tree15bdbdde9fa060b95e64be2c628ed17efbb15530 /libavcodec/atrac3.c
parente4e4add0e3ba7d8ca8ed9135288da910270d2ea3 (diff)
parentca6c3f2c53be70aa3c38e8f1292809db89ea1ba6 (diff)
downloadffmpeg-aef816f957eec100da42bcbf65e3bfe86df679fa.tar.gz
Merge commit 'ca6c3f2c53be70aa3c38e8f1292809db89ea1ba6'
* commit 'ca6c3f2c53be70aa3c38e8f1292809db89ea1ba6': lzo: fix overflow checking in copy_backptr() flacdec: simplify bounds checking in flac_probe() atrac3: avoid oversized shifting in decode_bytes() Conflicts: libavformat/flacdec.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/atrac3.c')
-rw-r--r--libavcodec/atrac3.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/atrac3.c b/libavcodec/atrac3.c
index ac240d7007..a9e98f807b 100644
--- a/libavcodec/atrac3.c
+++ b/libavcodec/atrac3.c
@@ -164,7 +164,10 @@ static int decode_bytes(const uint8_t *input, uint8_t *out, int bytes)
off = (intptr_t)input & 3;
buf = (const uint32_t *)(input - off);
- c = av_be2ne32((0x537F6103 >> (off * 8)) | (0x537F6103 << (32 - (off * 8))));
+ if (off)
+ c = av_be2ne32((0x537F6103U >> (off * 8)) | (0x537F6103U << (32 - (off * 8))));
+ else
+ c = av_be2ne32(0x537F6103U);
bytes += 3 + off;
for (i = 0; i < bytes / 4; i++)
output[i] = c ^ buf[i];