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Snow segfault bug in revision 1.43 patch by (Yartrebo /yartrebo earthlink net/)

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Originally committed as revision 4126 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Yartrebo 2005-04-13 01:57:19 +00:00 committed by Michael Niedermayer
parent 2c34596ff7
commit 86e59cc01d
1 changed files with 4 additions and 4 deletions
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8
libavcodec/snow.c
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@ -2758,7 +2758,7 @@ static always_inline void predict_slice_buffered(SnowContext *s, slice_buffer *
return;
if(add){
for(y=block_w*mb_y; y<block_w*(mb_y+1); y++)
for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++)
{
// DWTELEM * line = slice_buffer_get_line(sb, y);
DWTELEM * line = sb->line[y];
@ -2772,7 +2772,7 @@ static always_inline void predict_slice_buffered(SnowContext *s, slice_buffer *
}
}
}else{
for(y=block_w*mb_y; y<block_w*(mb_y+1); y++)
for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++)
{
// DWTELEM * line = slice_buffer_get_line(sb, y);
DWTELEM * line = sb->line[y];
@ -2826,7 +2826,7 @@ static always_inline void predict_slice(SnowContext *s, DWTELEM *buf, int plane_
return;
if(add){
for(y=block_w*mb_y; y<block_w*(mb_y+1); y++){
for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++){
for(x=0; x<w; x++){
int v= buf[x + y*w] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1));
v >>= FRAC_BITS;
@ -2835,7 +2835,7 @@ static always_inline void predict_slice(SnowContext *s, DWTELEM *buf, int plane_
}
}
}else{
for(y=block_w*mb_y; y<block_w*(mb_y+1); y++){
for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++){
for(x=0; x<w; x++){
buf[x + y*w]-= 128<<FRAC_BITS;
}