| Message ID | 20240726150738.13838-2-tonetechnician@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | [FFmpeg-devel,1/1] lavc/exr: decode_block() fails when input resolution not exactly divisable by 8 | expand |
| Context | Check | Description |
|---|---|---|
| andriy/make_x86 | success | Make finished |
| andriy/make_fate_x86 | success | Make fate finished |
diff --git a/libavcodec/exr.c b/libavcodec/exr.c index 4bac0be89b..5df2c55609 100644 --- a/libavcodec/exr.c +++ b/libavcodec/exr.c @@ -987,8 +987,8 @@ static int dwa_uncompress(const EXRContext *s, const uint8_t *src, int compresse int64_t version, lo_usize, lo_size; int64_t ac_size, dc_size, rle_usize, rle_csize, rle_raw_size; int64_t ac_count, dc_count, ac_compression; - const int dc_w = td->xsize >> 3; - const int dc_h = td->ysize >> 3; + const int dc_w = (td->xsize + 7) >> 3; + const int dc_h = (td->ysize + 7) >> 3; GetByteContext gb, agb; int skip, ret;
From: Sean Devonport <tonetechnician@gmail.com> This stops decode_block() from failing when the .exr resolution is not divisable by 8 (e.g 108x192). The dc_w and dc_h needs to be round up and not down. --- libavcodec/exr.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)