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authorMichael Niedermayer <michaelni@gmx.at>2013-03-12 00:28:08 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-03-12 02:42:50 +0100
commit2e7bc9c2a1f138d305f111bb07d8b70e494584a8 (patch)
tree68950c6ccd7424f5f61025b3a7d62d5ae00fe2cb /libavcodec
parent73b40e2eb6826c5bd08a233e6d2e25b55f9113da (diff)
downloadffmpeg-2e7bc9c2a1f138d305f111bb07d8b70e494584a8.tar.gz
snowdec: fix off by 1 error in dimensions check
fixes infinite loop Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/snowdec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/snowdec.c b/libavcodec/snowdec.c
index e2115068c8..1bfd0969c8 100644
--- a/libavcodec/snowdec.c
+++ b/libavcodec/snowdec.c
@@ -345,7 +345,7 @@ static int decode_header(SnowContext *s){
return -1;
}
if(FFMIN(s->avctx-> width>>s->chroma_h_shift,
- s->avctx->height>>s->chroma_v_shift) >> (s->spatial_decomposition_count-1) <= 0){
+ s->avctx->height>>s->chroma_v_shift) >> (s->spatial_decomposition_count-1) <= 1){
av_log(s->avctx, AV_LOG_ERROR, "spatial_decomposition_count %d too large for size\n", s->spatial_decomposition_count);
return -1;
}