diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-05-11 00:00:52 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-08-23 13:15:16 +0200 |
| commit | 3079f85dfb9188a0964c1a84c28d2658e1b497c2 (patch) | |
| tree | b23f3177c7389432a8d98916f69e2fa67a16b6a3 | |
| parent | 2bb39e8af830d1f8b9473752e67c0e6aed358411 (diff) | |
| download | ffmpeg-3079f85dfb9188a0964c1a84c28d2658e1b497c2.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 cf4d0d6f7d..28227ff3d1 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -2650,6 +2650,9 @@ 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: |