diff options
| author | Yartrebo <yartrebo@earthlink.net> | 2005-04-13 01:57:19 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2005-04-13 01:57:19 +0000 |
| commit | 86e59cc01df043e415b5e56cf4c31832133fbc8f (patch) | |
| tree | d699f73995e1ef6091bed580b91f83f45abbaa6d | |
| parent | 2c34596ff7fcf4699b70243dfefc6a1fb67909cc (diff) | |
Snow segfault bug in revision 1.43 patch by (Yartrebo /yartrebo earthlink net/)
Originally committed as revision 4126 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/snow.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/snow.c b/libavcodec/snow.c index 26efe249df..ee77f1c252 100644 --- a/libavcodec/snow.c +++ b/libavcodec/snow.c @@ -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; } |