[FFmpeg-cvslog] vf_unsharp: set default chroma size value to 5x5

Stefano Sabatini git at videolan.org
Sat Oct 1 21:38:57 CEST 2011


ffmpeg | branch: release/0.8 | Stefano Sabatini <stefano.sabatini-lala at poste.it> | Sat Aug 13 16:30:44 2011 +0200| [8d61c684423c0b78d8ab076fef00d7095e339a97] | committer: Michael Niedermayer

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>
(cherry picked from commit 1ee20141900c98f9dc25eca121c66c3ff468c1e4)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8d61c684423c0b78d8ab076fef00d7095e339a97
---

 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 eb31714..e4873fa 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -1683,7 +1683,7 @@ 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
 
@@ -1701,11 +1701,11 @@ 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 2bc090f..3a58a48 100644
--- a/libavfilter/vf_unsharp.c
+++ b/libavfilter/vf_unsharp.c
@@ -129,8 +129,8 @@ 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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