diff options
Diffstat (limited to 'video/out')
-rw-r--r-- | video/out/filter_kernels.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/video/out/filter_kernels.c b/video/out/filter_kernels.c index 77dbea57c0..b8a2e0d965 100644 --- a/video/out/filter_kernels.c +++ b/video/out/filter_kernels.c @@ -294,6 +294,16 @@ static double lanczos(kernel *k, double x) return radius * sin(pix) * sin(pix / radius) / (pix * pix); } +static double ginseng(kernel *k, double x) +{ + double radius = k->radius; + if (fabs(x) < 1e-8) + return 1.0; + if (fabs(x) >= radius) + return 0.0; + return jinc(k, x) * sinc(k, x / radius); +} + static double ewa_lanczos(kernel *k, double x) { double radius = k->radius; @@ -365,6 +375,7 @@ const struct filter_kernel mp_filter_kernels[] = { {"gaussian", -1, gaussian, .params = {28.85390081777927, NAN} }, {"sinc", -1, sinc}, {"ewa_lanczos", -1, ewa_lanczos, .polar = true}, + {"ginseng", -1, ginseng, .polar = true}, {"lanczos", -1, lanczos}, {"blackman", -1, blackman}, {0} |