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author | Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> | 2015-06-25 22:47:38 +0200 |
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committer | Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> | 2015-11-26 01:38:17 +0100 |
commit | 6e288d527428af7851a173e8cc6e0e30bf9359ca (patch) | |
tree | 19fc07ea5246ea3c1ccd65476a93c4ad50bf3741 | |
parent | 46a7fe2417df341edce3ebf3e0ef05dca043619b (diff) | |
download | ffmpeg-6e288d527428af7851a173e8cc6e0e30bf9359ca.tar.gz |
vc1dec: use get_bits_long and limit the read bits to 32
get_bits should not be used with more than 25 bits.
Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit 1f1e0a2971b2a01f275bb5088c2e36166514be64)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
-rw-r--r-- | libavcodec/vc1dec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c index a25c3d955c..0790bd6ecf 100644 --- a/libavcodec/vc1dec.c +++ b/libavcodec/vc1dec.c @@ -5669,7 +5669,7 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx) count = avctx->extradata_size*8 - get_bits_count(&gb); if (count > 0) { av_log(avctx, AV_LOG_INFO, "Extra data: %i bits left, value: %X\n", - count, get_bits(&gb, count)); + count, get_bits_long(&gb, FFMIN(count, 32))); } else if (count < 0) { av_log(avctx, AV_LOG_INFO, "Read %i bits in overflow\n", -count); } |