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swscale: increase yuv2rgb table headroom 

Fixes out of array access
Fixes: case2_bad_read_yuv2rgbx32.mp4
Found-by: Michal Zalewski <lcamtuf@coredump.cx>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-12-16 22:21:21 +01:00
parent 87ec3c6156
commit 1d1cc267e6
1 changed files with 1 additions and 1 deletions
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2
libswscale/swscale_internal.h
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@ -34,7 +34,7 @@
#define STR(s) AV_TOSTRING(s) // AV_STRINGIFY is too long
#define YUVRGB_TABLE_HEADROOM 128
#define YUVRGB_TABLE_HEADROOM 256
#define FAST_BGR2YV12 // use 7-bit instead of 15-bit coefficients