filter_kernels: rename ginseng to ewa_ginseng

This is done mainly for consistency, since all of the EWA filters share
similar properties and it's important to distinguish them for
documentation purposes.

2 files changed, 3 insertions, 3 deletions

diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst
index 10019451e0..17b1d54e52 100644
--- a/DOCS/man/vo.rst
+++ b/DOCS/man/vo.rst
@@ -337,7 +337,7 @@ Available video output drivers are:
         Set radius for filters listed below, must be a float number between 1.0
         and 16.0. Defaults to be 3.0 if not specified.
 
-            ``sinc``, ``lanczos``, ``ewa_lanczos``, ``ginseng``, ``blackman``, ``gaussian``
+            ``sinc``, ``lanczos``, ``ewa_lanczos``, ``ewa_ginseng``, ``blackman``, ``gaussian``
 
         Note that depending on filter implementation details and video scaling
         ratio, the radius that actually being used might be different
diff --git a/video/out/filter_kernels.c b/video/out/filter_kernels.c
index a498234c7d..e0b45afe4d 100644
--- a/video/out/filter_kernels.c
+++ b/video/out/filter_kernels.c
@@ -294,7 +294,7 @@ static double lanczos(kernel *k, double x)
     return radius * sin(pix) * sin(pix / radius) / (pix * pix);
 }
 
-static double ginseng(kernel *k, double x)
+static double ewa_ginseng(kernel *k, double x)
 {
     double radius = k->radius;
     if (fabs(x) >= radius)
@@ -352,7 +352,7 @@ const struct filter_kernel mp_filter_kernels[] = {
     {"sinc",           -1,  sinc},
     {"ewa_lanczos",    -1,  ewa_lanczos, .polar = true},
     {"ewa_hanning",    -1,  ewa_hanning, .polar = true},
-    {"ginseng",        -1,  ginseng,     .polar = true},
+    {"ewa_ginseng",    -1,  ewa_ginseng, .polar = true},
     {"lanczos",        -1,  lanczos},
     {"blackman",       -1,  blackman},
     {0}