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| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2024-03-29 02:45:51 +0100 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2024-04-02 00:21:58 +0200 |
| commit | 3ed23dab98a1c6246e9b3cf575ec29d245e39f94 (patch) | |
| tree | 01578eaa810a0eaa32d7ee96454aaf3b113728c3 /libavfilter/vf_spp.c | |
| parent | 9e4e8ae1e68053fe8e07783ff694b6f101a5c5b3 (diff) | |
| download | ffmpeg-3ed23dab98a1c6246e9b3cf575ec29d245e39f94.tar.gz | |
avfilter/vf_spp: Fix left-shift of negative value
Affected the vf-spp FATE-test (on x86 only when MMX
is disabled).
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavfilter/vf_spp.c')
| -rw-r--r-- | libavfilter/vf_spp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavfilter/vf_spp.c b/libavfilter/vf_spp.c index 48911b296a..d6c7297985 100644 --- a/libavfilter/vf_spp.c +++ b/libavfilter/vf_spp.c @@ -172,7 +172,7 @@ static void store_slice_c(uint8_t *dst, const int16_t *src, int y, x; #define STORE(pos) do { \ - temp = ((src[x + y*src_linesize + pos] << log2_scale) + d[pos]) >> 6; \ + temp = (src[x + y*src_linesize + pos] * (1 << log2_scale) + d[pos]) >> 6;\ if (temp & 0x100) \ temp = ~(temp >> 31); \ dst[x + y*dst_linesize + pos] = temp; \ @@ -203,7 +203,7 @@ static void store_slice16_c(uint16_t *dst, const int16_t *src, unsigned int mask = -1<<depth; #define STORE16(pos) do { \ - temp = ((src[x + y*src_linesize + pos] << log2_scale) + (d[pos]>>1)) >> 5; \ + temp = (src[x + y*src_linesize + pos] * (1 << log2_scale) + (d[pos]>>1)) >> 5; \ if (temp & mask ) \ temp = ~(temp >> 31); \ dst[x + y*dst_linesize + pos] = temp; \ |