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-rw-r--r--DOCS/man/vo.rst2
-rw-r--r--video/out/gl_video.c3
2 files changed, 3 insertions, 2 deletions
diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst
index 4a02b7cfa8..d5be46ac9b 100644
--- a/DOCS/man/vo.rst
+++ b/DOCS/man/vo.rst
@@ -597,7 +597,7 @@ Available video output drivers are:
This is equivalent to::
- --vo=opengl:scale=spline36:dither-depth=auto:fbo-format=rgba16:fancy-downscaling:sigmoid-upscaling
+ --vo=opengl:scale=spline36:scale-down=mitchell:dither-depth=auto:fbo-format=rgba16:fancy-downscaling:sigmoid-upscaling
Note that some cheaper LCDs do dithering that gravely interferes with
``opengl``'s dithering. Disabling dithering with ``dither-depth=no`` helps.
diff --git a/video/out/gl_video.c b/video/out/gl_video.c
index d1d4d9713b..9e25af376b 100644
--- a/video/out/gl_video.c
+++ b/video/out/gl_video.c
@@ -350,6 +350,7 @@ const struct gl_video_opts gl_video_opts_hq_def = {
.sigmoid_slope = 6.5,
.sigmoid_upscaling = 1,
.scalers = { "spline36", "bilinear" },
+ .dscaler = "mitchell",
.scaler_params = {{NAN, NAN}, {NAN, NAN}},
.scaler_radius = {3, 3},
.alpha_mode = 2,
@@ -2720,7 +2721,7 @@ struct gl_video *gl_video_init(GL *gl, struct mp_log *log, struct osd_state *osd
// Get static string for scaler shader.
static const char *handle_scaler_opt(const char *name)
{
- if (name) {
+ if (name && name[0]) {
const struct filter_kernel *kernel = mp_find_filter_kernel(name);
if (kernel)
return kernel->name;