Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2025-02-25 03:49:42 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Bug 625773 - uninitialised value use in FastConvertYUVToRGB32Row; r=cpearce a=roc

Browse Source
This commit is contained in:
Timothy B. Terriberry 2011-01-17 12:18:34 -05:00
parent eb9dc6af39
commit fbd227d66a
3 changed files with 25 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
media/libtheora/bug625773-r17780.patch Normal file
View File

@ -0,0 +1,23 @@
diff --git a/media/libtheora/lib/decode.c b/media/libtheora/lib/decode.c
--- a/media/libtheora/lib/decode.c
+++ b/media/libtheora/lib/decode.c
@@ -2072,18 +2072,17 @@ static void oc_dec_init_dummy_frame(th_d
sizeof(_dec->pp_frame_buf[0])*3);
info=&_dec->state.info;
yhstride=abs(_dec->state.ref_ystride[0]);
yheight=info->frame_height+2*OC_UMV_PADDING;
chstride=abs(_dec->state.ref_ystride[1]);
cheight=yheight>>!(info->pixel_fmt&2);
yplane_sz=yhstride*(size_t)yheight+16;
cplane_sz=chstride*(size_t)cheight;
- yoffset=_dec->state.ref_ystride[0]*(yheight-1)-
- (OC_UMV_PADDING+OC_UMV_PADDING*(ptrdiff_t)yhstride);
+ yoffset=yhstride*(ptrdiff_t)(yheight-OC_UMV_PADDING-1)+OC_UMV_PADDING;
memset(_dec->state.ref_frame_data[0]-yoffset,0x80,yplane_sz+2*cplane_sz);
}
int th_decode_packetin(th_dec_ctx *_dec,const ogg_packet *_op,
ogg_int64_t *_granpos){
int ret;
if(_dec==NULL||_op==NULL)return TH_EFAULT;
/*A completely empty packet indicates a dropped frame and is treated exactly

3
media/libtheora/lib/decode.c
View File

@ -2077,8 +2077,7 @@ static void oc_dec_init_dummy_frame(th_dec_ctx *_dec){
cheight=yheight>>!(info->pixel_fmt&2);
yplane_sz=yhstride*(size_t)yheight+16;
cplane_sz=chstride*(size_t)cheight;
yoffset=_dec->state.ref_ystride[0]*(yheight-1)-
(OC_UMV_PADDING+OC_UMV_PADDING*(ptrdiff_t)yhstride);
yoffset=yhstride*(ptrdiff_t)(yheight-OC_UMV_PADDING-1)+OC_UMV_PADDING;
memset(_dec->state.ref_frame_data[0]-yoffset,0x80,yplane_sz+2*cplane_sz);
}

1
media/libtheora/update.sh Normal file → Executable file
View File

@ -78,3 +78,4 @@ cp $1/include/theora/theora.h ./include/theora/theora.h
cp $1/include/theora/theoradec.h ./include/theora/theoradec.h
cp $1/include/theora/theoraenc.h ./include/theora/theoraenc.h
cp $1/include/theora/codec.h ./include/theora/codec.h
patch -p3 < ./bug625773-r17780.patch