ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Sat Sep 17 13:55:06 
2016 +0200| [4096bb176b3971a26d1dedd62a05bcea68eb24d6] | committer: Paul B Mahol

avfilter/vf_unsharp: limit matrix size in either direction to 23

Anything bigger is not supported anyway.

Signed-off-by: Paul B Mahol <one...@gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4096bb176b3971a26d1dedd62a05bcea68eb24d6
---

 doc/filters.texi         | 8 ++++----
 libavfilter/vf_unsharp.c | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/doc/filters.texi b/doc/filters.texi
index c7a015b..a6f3674 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -13434,11 +13434,11 @@ It accepts the following parameters:
 @table @option
 @item luma_msize_x, lx
 Set the luma matrix horizontal size. It must be an odd integer between
-3 and 63. The default value is 5.
+3 and 23. The default value is 5.
 
 @item luma_msize_y, ly
 Set the luma matrix vertical size. It must be an odd integer between 3
-and 63. The default value is 5.
+and 23. The default value is 5.
 
 @item luma_amount, la
 Set the luma effect strength. It must be a floating point number, reasonable
@@ -13451,11 +13451,11 @@ Default value is 1.0.
 
 @item chroma_msize_x, cx
 Set the chroma matrix horizontal size. It must be an odd integer
-between 3 and 63. The default value is 5.
+between 3 and 23. The default value is 5.
 
 @item chroma_msize_y, cy
 Set the chroma matrix vertical size. It must be an odd integer
-between 3 and 63. The default value is 5.
+between 3 and 23. The default value is 5.
 
 @item chroma_amount, ca
 Set the chroma effect strength. It must be a floating point number, reasonable
diff --git a/libavfilter/vf_unsharp.c b/libavfilter/vf_unsharp.c
index aea9850..7c600c9 100644
--- a/libavfilter/vf_unsharp.c
+++ b/libavfilter/vf_unsharp.c
@@ -266,7 +266,7 @@ end:
 #define OFFSET(x) offsetof(UnsharpContext, x)
 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
 #define MIN_SIZE 3
-#define MAX_SIZE 63
+#define MAX_SIZE 23
 static const AVOption unsharp_options[] = {
     { "luma_msize_x",   "set luma matrix horizontal size",   OFFSET(lmsize_x), 
AV_OPT_TYPE_INT,   { .i64 = 5 }, MIN_SIZE, MAX_SIZE, FLAGS },
     { "lx",             "set luma matrix horizontal size",   OFFSET(lmsize_x), 
AV_OPT_TYPE_INT,   { .i64 = 5 }, MIN_SIZE, MAX_SIZE, FLAGS },

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