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lavfi/unsharp: use the same macros used in the original MP filter

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Remove possibly pointless inconsistency with the ported code.

Also specify parameter value ranges consistent with those of the ported
filter.
This commit is contained in:
Stefano Sabatini 2011-08-13 00:44:08 +02:00 committed by Stefano Sabatini
parent 772b949d8e
commit 7ac3ccc5f2
2 changed files with 8 additions and 8 deletions
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8
doc/filters.texi
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@ -4925,11 +4925,11 @@ equivalent of the string '5:5:1.0:5:5:0.0'.
@item luma_msize_x
Set the luma matrix horizontal size. It can be an integer between 3
and 13, default value is 5.
and 63, default value is 5.
@item luma_msize_y
Set the luma matrix vertical size. It can be an integer between 3
and 13, default value is 5.
and 63, default value is 5.
@item luma_amount
Set the luma effect strength. It can be a float number between -2.0
@ -4937,11 +4937,11 @@ 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 5.
and 63, 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 5.
and 63, default value is 5.
@item chroma_amount
Set the chroma effect strength. It can be a float number between -2.0

8
libavfilter/vf_unsharp.c
View File

@ -44,8 +44,8 @@
#include "libavutil/mem.h"
#include "libavutil/pixdesc.h"
#define MIN_SIZE 3
#define MAX_SIZE 13
#define MIN_MATRIX_SIZE 3
#define MAX_MATRIX_SIZE 63
/* right-shift and round-up */
#define SHIFTUP(x,shift) (-((-(x))>>(shift)))
@ -58,7 +58,7 @@ typedef struct FilterParam {
int steps_y; ///< vertical step count
int scalebits; ///< bits to shift pixel
int32_t halfscale; ///< amount to add to pixel
uint32_t *sc[(MAX_SIZE * MAX_SIZE) - 1]; ///< finite state machine storage
uint32_t *sc[MAX_MATRIX_SIZE - 1]; ///< finite state machine storage
} FilterParam;
typedef struct {
@ -72,7 +72,7 @@ static void apply_unsharp( uint8_t *dst, int dst_stride,
int width, int height, FilterParam *fp)
{
uint32_t **sc = fp->sc;
uint32_t sr[(MAX_SIZE * MAX_SIZE) - 1], tmp1, tmp2;
uint32_t sr[MAX_MATRIX_SIZE - 1], tmp1, tmp2;
int32_t res;
int x, y, z;