---
libavcodec/h264_refs.c | 30 +++++++++++++++++++-----------
1 file changed, 19 insertions(+), 11 deletions(-)
diff --git a/libavcodec/h264_refs.c b/libavcodec/h264_refs.c
index 2a71ac1..755f115 100644
--- a/libavcodec/h264_refs.c
+++ b/libavcodec/h264_refs.c
@@ -62,20 +62,22 @@ static int split_field_copy(Picture *dest, Picture *src,
return match;
}
-static int build_def_list(Picture *def, Picture **in, int len, int is_long,
int sel){
+static int build_def_list(Picture *def, Picture **in, int len, int is_long,
+ int sel, int index)
+{
int i[2]={0};
- int index=0;
- while(i[0]<len || i[1]<len){
+ while ((i[0] < len || i[1] < len) && index < 32) {
while (i[0] < len && !(in[ i[0] ] && (in[ i[0] ]->f.reference & sel)))
i[0]++;
while (i[1] < len && !(in[ i[1] ] && (in[ i[1] ]->f.reference &
(sel^3))))
i[1]++;
- if(i[0] < len){
+
+ if (i[0] < len && index < 32) {
in[ i[0] ]->pic_id= is_long ? i[0] : in[ i[0] ]->frame_num;
split_field_copy(&def[index++], in[ i[0]++ ], sel , 1);
}
- if(i[1] < len){
+ if (i[1] < len && index < 32) {
in[ i[1] ]->pic_id= is_long ? i[1] : in[ i[1] ]->frame_num;
split_field_copy(&def[index++], in[ i[1]++ ], sel^3, 0);
}
@@ -120,11 +122,15 @@ int ff_h264_fill_default_ref_list(H264Context *h){
cur_poc= s->current_picture_ptr->poc;
for(list= 0; list<2; list++){
- len= add_sorted(sorted , h->short_ref, h->short_ref_count,
cur_poc, 1^list);
- len+=add_sorted(sorted+len, h->short_ref, h->short_ref_count,
cur_poc, 0^list);
+ len = add_sorted(sorted , h->short_ref, h->short_ref_count,
+ cur_poc, 1^list);
+ len += add_sorted(sorted+len, h->short_ref, h->short_ref_count,
+ cur_poc, 0^list);
assert(len<=32);
- len= build_def_list(h->default_ref_list[list] , sorted ,
len, 0, s->picture_structure);
- len+=build_def_list(h->default_ref_list[list]+len, h->long_ref, 16
, 1, s->picture_structure);
+ len = build_def_list(h->default_ref_list[list], sorted, len, 0,
+ s->picture_structure, 0);
+ len = build_def_list(h->default_ref_list[list], h->long_ref, 16, 1,
+ s->picture_structure, len);
assert(len<=32);
if(len < h->ref_count[list])
@@ -138,8 +144,10 @@ int ff_h264_fill_default_ref_list(H264Context *h){
FFSWAP(Picture, h->default_ref_list[1][0],
h->default_ref_list[1][1]);
}
}else{
- len = build_def_list(h->default_ref_list[0] , h->short_ref,
h->short_ref_count, 0, s->picture_structure);
- len+= build_def_list(h->default_ref_list[0]+len, h-> long_ref, 16
, 1, s->picture_structure);
+ len = build_def_list(h->default_ref_list[0], h->short_ref,
+ h->short_ref_count, 0, s->picture_structure, 0);
+ len = build_def_list(h->default_ref_list[0], h-> long_ref, 16, 1,
+ s->picture_structure, len);
assert(len <= 32);
if(len < h->ref_count[0])
memset(&h->default_ref_list[0][len], 0,
sizeof(Picture)*(h->ref_count[0] - len));
--
1.7.12.4
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