RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-12-27 09:52:17 +00:00
Code Issues Projects Releases Wiki Activity

Move "slice below image" check from mpeg_decode_slice to its caller.

Browse Source 
Should fix issue1277.

Originally committed as revision 20676 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-11-30 23:08:25 +00:00
parent 77ac76a30f
commit 52069c4d3c
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
libavcodec/mpeg12.c
View File

@ -1673,10 +1673,7 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y,
s->resync_mb_x=
s->resync_mb_y= -1;
if (mb_y >= s->mb_height){
av_log(s->avctx, AV_LOG_ERROR, "slice below image (%d >= %d)\n", mb_y, s->mb_height);
return -1;
}
assert(mb_y < s->mb_height);
init_get_bits(&s->gb, *buf, buf_size*8);
@ -2390,6 +2387,11 @@ static int decode_chunks(AVCodecContext *avctx,
if(s2->picture_structure == PICT_BOTTOM_FIELD)
mb_y++;
if (mb_y >= s2->mb_height){
av_log(s2->avctx, AV_LOG_ERROR, "slice below image (%d >= %d)\n", mb_y, s2->mb_height);
return -1;
}
if(s2->last_picture_ptr==NULL){
/* Skip B-frames if we do not have reference frames and gop is not closed */
if(s2->pict_type==FF_B_TYPE){