diff options
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/snow.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libavcodec/snow.c b/libavcodec/snow.c index a82c07bb3f..a9aa2eb368 100644 --- a/libavcodec/snow.c +++ b/libavcodec/snow.c @@ -1070,8 +1070,17 @@ static void spatial_compose53i_dy_buffered(DWTCompose *cs, slice_buffer * sb, in IDWTELEM *b2= slice_buffer_get_line(sb, mirror(y+1, height-1) * stride_line); IDWTELEM *b3= slice_buffer_get_line(sb, mirror(y+2, height-1) * stride_line); + if(y+1<(unsigned)height && y<(unsigned)height){ + int x; + + for(x=0; x<width; x++){ + b2[x] -= (b1[x] + b3[x] + 2)>>2; + b1[x] += (b0[x] + b2[x])>>1; + } + }else{ if(y+1<(unsigned)height) vertical_compose53iL0(b1, b2, b3, width); if(y+0<(unsigned)height) vertical_compose53iH0(b0, b1, b2, width); + } if(y-1<(unsigned)height) horizontal_compose53i(b0, width); if(y+0<(unsigned)height) horizontal_compose53i(b1, width); |