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authorAlexander Strange <astrange@ithinksw.com>2012-03-24 17:32:14 -0400
committerRonald S. Bultje <rsbultje@gmail.com>2012-03-24 15:29:38 -0700
commit6ef4063957aa5025c8d2cd757b6a537e4b6874df (patch)
treed12bcb8db1f30266a072c0b1eb0cd29bb621e78e /libavcodec/h264_ps.c
parentec0ed97b046d46421db72c4911d2bbe28bbe5741 (diff)
h264: Add check for invalid chroma_format_idc
Fixes a crash when FF_DEBUG_PICT_INFO is used. Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Diffstat (limited to 'libavcodec/h264_ps.c')
-rw-r--r--libavcodec/h264_ps.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c
index 276eb77d1d..05f04afa57 100644
--- a/libavcodec/h264_ps.c
+++ b/libavcodec/h264_ps.c
@@ -332,8 +332,12 @@ int ff_h264_decode_seq_parameter_set(H264Context *h){
if(sps->profile_idc >= 100){ //high profile
sps->chroma_format_idc= get_ue_golomb_31(&s->gb);
- if(sps->chroma_format_idc == 3)
+ if(sps->chroma_format_idc > 3) {
+ av_log(h->s.avctx, AV_LOG_ERROR, "chroma_format_idc (%u) out of range\n", sps->chroma_format_idc);
+ return -1;
+ } else if(sps->chroma_format_idc == 3) {
sps->residual_color_transform_flag = get_bits1(&s->gb);
+ }
sps->bit_depth_luma = get_ue_golomb(&s->gb) + 8;
sps->bit_depth_chroma = get_ue_golomb(&s->gb) + 8;
sps->transform_bypass = get_bits1(&s->gb);