diff options
| author | Mark Thompson <sw@jkqxz.net> | 2018-03-11 14:40:23 +0000 |
|---|---|---|
| committer | Mark Thompson <sw@jkqxz.net> | 2018-03-18 17:54:55 +0000 |
| commit | 0e782661d63b39d729b2167e75a690b4e2934740 (patch) | |
| tree | cf25484ebe10d89d5466f8fb497e75160f06665f /libavcodec/svq1_cb.h | |
| parent | ce1d77a5e7cebce11074bf6f9e38ad6da37338ff (diff) | |
| download | ffmpeg-0e782661d63b39d729b2167e75a690b4e2934740.tar.gz | |
cbs_h264: Fix overflow in shifts
The type of the result of a shift operation is unaffected by the type of
the right operand, so some existing code overflows with undefined behaviour
when the element length is 32. Add a helper macro to calculate the maximum
value correctly and then use it everywhere this pattern appears.
Found-by: Andreas Rheinhardt <andreas.rheinhardt@googlemail.com>
Diffstat (limited to 'libavcodec/svq1_cb.h')
0 files changed, 0 insertions, 0 deletions