virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-08 13:22:53 +02:00
Code Issues Releases Activity

swscale/yuv2rgb: Use 64bit for brightness computation

Browse Source 
This will not overflow for normal values
Fixes: CID1500280 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bfc22f364d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-05-21 01:35:08 +02:00
parent 98a1c887c3
commit eb1e40909b
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libswscale/yuv2rgb.c
View File

@ -831,7 +831,7 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4],
cbu = (cbu * contrast * saturation) >> 32;
cgu = (cgu * contrast * saturation) >> 32;
cgv = (cgv * contrast * saturation) >> 32;
oy -= 256 * brightness;
oy -= 256LL * brightness;
c->uOffset = 0x0400040004000400LL;
c->vOffset = 0x0400040004000400LL;