[SCM] libav/experimental: fix 2nd ref_count check add list_count
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 15:56:28 UTC 2013
The following commit has been merged in the experimental branch:
commit 187696fa72ec47c7151cd3cc708e224fe2eccb55
Author: Michael Niedermayer <michaelni at gmx.at>
Date: Fri Feb 16 21:34:21 2007 +0000
fix 2nd ref_count check
add list_count
Originally committed as revision 7998 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 41bdc22..f2630b5 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -326,6 +326,7 @@ typedef struct H264Context{
* num_ref_idx_l0/1_active_minus1 + 1
*/
unsigned int ref_count[2]; ///< counts frames or fields, depending on current mb mode
+ unsigned int list_count;
Picture *short_ref[32];
Picture *long_ref[32];
Picture default_ref_list[2][32];
@@ -4706,13 +4707,18 @@ static int decode_slice_header(H264Context *h){
if(h->slice_type==B_TYPE)
h->ref_count[1]= get_ue_golomb(&s->gb) + 1;
- if(h->ref_count[0] > 32 || h->ref_count[1] > 32){
+ if(h->ref_count[0]-1 > 32-1 || h->ref_count[1]-1 > 32-1){
av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\n");
h->ref_count[0]= h->ref_count[1]= 1;
return -1;
}
}
- }
+ if(h->slice_type == B_TYPE)
+ h->list_count= 2;
+ else
+ h->list_count= 1;
+ }else
+ h->list_count= 0;
if(!default_ref_list_done){
fill_default_ref_list(h);
--
Libav/FFmpeg packaging
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