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

Anything bigger is not supported anyway.

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

Paul B Mahol authored on 2016/09/17 20:55:06
Showing 2 changed files
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@@ -13434,11 +13434,11 @@ It accepts the following parameters:
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 @table @option
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 @item luma_msize_x, lx
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 Set the luma matrix horizontal size. It must be an odd integer between
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-3 and 63. The default value is 5.
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+3 and 23. The default value is 5.
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 @item luma_msize_y, ly
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 Set the luma matrix vertical size. It must be an odd integer between 3
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-and 63. The default value is 5.
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+and 23. The default value is 5.
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 @item luma_amount, la
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 Set the luma effect strength. It must be a floating point number, reasonable
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@@ -13451,11 +13451,11 @@ Default value is 1.0.
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 @item chroma_msize_x, cx
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 Set the chroma matrix horizontal size. It must be an odd integer
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-between 3 and 63. The default value is 5.
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+between 3 and 23. The default value is 5.
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 @item chroma_msize_y, cy
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 Set the chroma matrix vertical size. It must be an odd integer
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-between 3 and 63. The default value is 5.
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+between 3 and 23. The default value is 5.
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 @item chroma_amount, ca
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 Set the chroma effect strength. It must be a floating point number, reasonable
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@@ -266,7 +266,7 @@ end:
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 #define OFFSET(x) offsetof(UnsharpContext, x)
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 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
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 #define MIN_SIZE 3
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-#define MAX_SIZE 63
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+#define MAX_SIZE 23
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 static const AVOption unsharp_options[] = {
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     { "luma_msize_x",   "set luma matrix horizontal size",   OFFSET(lmsize_x), AV_OPT_TYPE_INT,   { .i64 = 5 }, MIN_SIZE, MAX_SIZE, FLAGS },
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     { "lx",             "set luma matrix horizontal size",   OFFSET(lmsize_x), AV_OPT_TYPE_INT,   { .i64 = 5 }, MIN_SIZE, MAX_SIZE, FLAGS },