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author | Michael Niedermayer <michael@niedermayer.cc> | 2016-05-11 00:00:52 +0200 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-08-15 18:54:34 +0200 |
commit | fc6f314838dc2f192bd42d6bcf67aa9d5280908f (patch) | |
tree | b247e7a37e4c04bc98419f43b07d50dfb8453a24 | |
parent | 3bbef6082aee8effda8e3ed9c8083739e752b7e4 (diff) | |
download | ffmpeg-fc6f314838dc2f192bd42d6bcf67aa9d5280908f.tar.gz |
avformat/utils: Check bps before using it in a shift in ff_get_pcm_codec_id()
Fixes undefined shift
Fixes: usan_shift
Found-by: Thomas Guilbert <tguilbert@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ea791c080dd5494b3bee0c618a3f52e371b5f320)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r-- | libavformat/utils.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c index 5ee4436c71..d40ae64411 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -2785,6 +2785,9 @@ enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag) enum AVCodecID ff_get_pcm_codec_id(int bps, int flt, int be, int sflags) { + if (bps > 64U) + return AV_CODEC_ID_NONE; + if (flt) { switch (bps) { case 32: |