Affected filter-hqdn3d and filter-hqdn3d-sample FATE-tests.
Signed-off-by: Andreas Rheinhardt <[email protected]>
---
libavfilter/vf_hqdn3d.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/vf_hqdn3d.c b/libavfilter/vf_hqdn3d.c
index ce2b9a2974..c796ea9ab4 100644
--- a/libavfilter/vf_hqdn3d.c
+++ b/libavfilter/vf_hqdn3d.c
@@ -180,7 +180,7 @@ static void precalc_coefs(double dist25, int depth, int16_t
*ct)
gamma = log(0.25) / log(1.0 - FFMIN(dist25,252.0)/255.0 - 0.00001);
for (i = -(256<<LUT_BITS); i < 256<<LUT_BITS; i++) {
- double f = ((i<<(9-LUT_BITS)) + (1<<(8-LUT_BITS)) - 1) / 512.0; //
midpoint of the bin
+ double f = (i * (1 << (9-LUT_BITS)) + (1<<(8-LUT_BITS)) - 1) / 512.0;
// midpoint of the bin
simil = FFMAX(0, 1.0 - fabs(f) / 255.0);
C = pow(simil, gamma) * 256.0 * f;
ct[(256<<LUT_BITS)+i] = lrint(C);
--
2.34.1
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