mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
avfilter/vf_xbr: Fix left shift of negative number
Affected every usage of vf_xbr, e.g. the FATE-tests filter-2xbr,
filter-3xbr, filter-4xbr.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4294dc3589
)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
parent
0b4a122a5a
commit
e5655c0444
@ -395,7 +395,7 @@ static int init(AVFilterContext *ctx)
|
||||
int startg = FFMAX3(-bg, -rg, 0);
|
||||
int endg = FFMIN3(255-bg, 255-rg, 255);
|
||||
uint32_t y = (uint32_t)(( 299*rg + 1000*startg + 114*bg)/1000);
|
||||
c = bg + (rg<<16) + 0x010101 * startg;
|
||||
c = bg + rg * (1 << 16) + 0x010101 * startg;
|
||||
for (g = startg; g <= endg; g++) {
|
||||
s->rgbtoyuv[c] = ((y++) << 16) + (u << 8) + v;
|
||||
c+= 0x010101;
|
||||
|
Loading…
Reference in New Issue
Block a user