RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-12-25 00:32:31 +00:00
Code Issues Projects Releases Wiki Activity

h264: increase reference poc list from 16 to 32.

Browse Source 
Interlaced images can have 32 references (16 per field), so limiting the
array size to 16 leads to invalid writes.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
This commit is contained in:
Ronald S. Bultje 2012-03-13 15:21:07 -07:00
parent 86020073db
commit 48cbe4b092
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/mpegvideo.h
View File

@ -126,7 +126,7 @@ typedef struct Picture{
int pic_id; /**< h264 pic_num (short -> no wrap version of pic_num,
pic_num & max_pic_num; long -> long_pic_num) */
int long_ref; ///< 1->long term reference 0->short term reference
int ref_poc[2][2][16]; ///< h264 POCs of the frames used as reference (FIXME need per slice)
int ref_poc[2][2][32]; ///< h264 POCs of the frames used as reference (FIXME need per slice)
int ref_count[2][2]; ///< number of entries in ref_poc (FIXME need per slice)
int mbaff; ///< h264 1 -> MBAFF frame 0-> not MBAFF
int field_picture; ///< whether or not the picture was encoded in separate fields