[FFmpeg-cvslog] vf_unsharp: set default chroma size value to 5x5
Stefano Sabatini
git at videolan.org
Fri Sep 30 02:20:51 CEST 2011
ffmpeg | branch: master | Stefano Sabatini <stefano.sabatini-lala at poste.it> | Sat Aug 13 16:30:44 2011 +0200| [1ee20141900c98f9dc25eca121c66c3ff468c1e4] | committer: Anton Khirnov
vf_unsharp: set default chroma size value to 5x5
The previous default value 0x0 was not good, since it is not even
valid.
Signed-off-by: Anton Khirnov <anton at khirnov.net>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1ee20141900c98f9dc25eca121c66c3ff468c1e4
---
doc/filters.texi | 6 +++---
libavfilter/vf_unsharp.c | 4 ++--
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/doc/filters.texi b/doc/filters.texi
index 228c1f0..13a66d4 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -1453,7 +1453,7 @@ It accepts the following parameters:
Negative values for the amount will blur the input video, while positive
values will sharpen. All parameters are optional and default to the
-equivalent of the string '5:5:1.0:0:0:0.0'.
+equivalent of the string '5:5:1.0:5:5:0.0'.
@table @option
@@ -1471,11 +1471,11 @@ and 5.0, default value is 1.0.
@item chroma_msize_x
Set the chroma matrix horizontal size. It can be an integer between 3
-and 13, default value is 0.
+and 13, default value is 5.
@item chroma_msize_y
Set the chroma matrix vertical size. It can be an integer between 3
-and 13, default value is 0.
+and 13, default value is 5.
@item luma_amount
Set the chroma effect strength. It can be a float number between -2.0
diff --git a/libavfilter/vf_unsharp.c b/libavfilter/vf_unsharp.c
index ebc8f04..a40df13 100644
--- a/libavfilter/vf_unsharp.c
+++ b/libavfilter/vf_unsharp.c
@@ -132,8 +132,8 @@ static void set_filter_param(FilterParam *fp, int msize_x, int msize_y, double a
static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
{
UnsharpContext *unsharp = ctx->priv;
- int lmsize_x = 5, cmsize_x = 0;
- int lmsize_y = 5, cmsize_y = 0;
+ int lmsize_x = 5, cmsize_x = 5;
+ int lmsize_y = 5, cmsize_y = 5;
double lamount = 1.0f, camount = 0.0f;
if (args)
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