diff options
| author | Neil Birkbeck <[email protected]> | 2013-09-20 17:25:40 -0700 |
|---|---|---|
| committer | Michael Niedermayer <[email protected]> | 2013-09-21 03:10:45 +0200 |
| commit | a11c16a0b0cadf3a14fa5e7329c2a144a2165bc6 (patch) | |
| tree | cf32d69ec0b78417ad57204e20d4f58c2d7e5deb /libavformat/allformats.c | |
| parent | 15672e832f47dd729f3214e5e1a5bc8e2d1e9cc1 (diff) | |
avfilter/vf_psnr: Prevent integer overflow.
The 32-bit integer accumulator in MSE computation can overflow for 8-bit frame data.
(e.g., for 1080p white frame compared to a black frame can give sum of 255*255*1080*1920 > 2^32).
Signed-off-by: Neil Birkbeck <[email protected]>
Signed-off-by: Michael Niedermayer <[email protected]>
Diffstat (limited to 'libavformat/allformats.c')
0 files changed, 0 insertions, 0 deletions