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| author | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2019-09-28 04:25:56 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-05-20 03:49:13 +0200 |
| commit | 02ac15ff355fd95abe6775976ff16d5df64ea7be (patch) | |
| tree | 74068b423bcec3f21bf7ef9f0b38c603f59e2e3e | |
| parent | cbf4c7a6d8a0362616fe8270445161f56251a556 (diff) | |
| download | ffmpeg-02ac15ff355fd95abe6775976ff16d5df64ea7be.tar.gz | |
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 4294dc3589a3ab973b10a85b576ff15e3ffb000d)
| -rw-r--r-- | libavfilter/vf_xbr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/vf_xbr.c b/libavfilter/vf_xbr.c index 2c71871d22..87810c88f1 100644 --- a/libavfilter/vf_xbr.c +++ b/libavfilter/vf_xbr.c @@ -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; |