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avcodec/intrax8dsp: Constify DSP functions

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Also add restrict where possible.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-02-23 20:44:48 +01:00
parent 99e2af4e78
commit 6f31b05389
2 changed files with 17 additions and 16 deletions
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29
libavcodec/intrax8dsp.c
View File

@ -62,11 +62,12 @@
note: 1|2 - mb_x==mb_y==0 - first block, use 0x80 value for all areas;
4 - mb_x>= (mb_width-1) last block in the row, interpolate area #5;
-*/
static void x8_setup_spatial_compensation(uint8_t *src, uint8_t *dst,
static void x8_setup_spatial_compensation(const uint8_t *restrict src,
uint8_t *restrict dst,
ptrdiff_t stride, int *range,
int *psum, int edges)
{
uint8_t *ptr;
const uint8_t *ptr;
int sum;
int i;
int min_pix, max_pix;
@ -160,7 +161,7 @@ static const uint16_t zero_prediction_weights[64 * 2] = {
317, 846, 366, 731, 458, 611, 499, 499,
};
static void spatial_compensation_0(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
static void spatial_compensation_0(const uint8_t *restrict src, uint8_t *restrict dst, ptrdiff_t stride)
{
int i, j;
int x, y;
@ -212,7 +213,7 @@ static void spatial_compensation_0(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
}
}
static void spatial_compensation_1(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
static void spatial_compensation_1(const uint8_t *restrict src, uint8_t *restrict dst, ptrdiff_t stride)
{
int x, y;
@ -223,7 +224,7 @@ static void spatial_compensation_1(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
}
}
static void spatial_compensation_2(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
static void spatial_compensation_2(const uint8_t *restrict src, uint8_t *restrict dst, ptrdiff_t stride)
{
int x, y;
@ -234,7 +235,7 @@ static void spatial_compensation_2(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
}
}
static void spatial_compensation_3(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
static void spatial_compensation_3(const uint8_t *restrict src, uint8_t *restrict dst, ptrdiff_t stride)
{
int x, y;
@ -245,7 +246,7 @@ static void spatial_compensation_3(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
}
}
static void spatial_compensation_4(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
static void spatial_compensation_4(const uint8_t *restrict src, uint8_t *restrict dst, ptrdiff_t stride)
{
int x, y;
@ -256,7 +257,7 @@ static void spatial_compensation_4(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
}
}
static void spatial_compensation_5(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
static void spatial_compensation_5(const uint8_t *restrict src, uint8_t *restrict dst, ptrdiff_t stride)
{
int x, y;
@ -271,7 +272,7 @@ static void spatial_compensation_5(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
}
}
static void spatial_compensation_6(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
static void spatial_compensation_6(const uint8_t *restrict src, uint8_t *restrict dst, ptrdiff_t stride)
{
int x, y;
@ -282,7 +283,7 @@ static void spatial_compensation_6(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
}
}
static void spatial_compensation_7(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
static void spatial_compensation_7(const uint8_t *restrict src, uint8_t *restrict dst, ptrdiff_t stride)
{
int x, y;
@ -297,7 +298,7 @@ static void spatial_compensation_7(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
}
}
static void spatial_compensation_8(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
static void spatial_compensation_8(const uint8_t *restrict src, uint8_t *restrict dst, ptrdiff_t stride)
{
int x, y;
@ -308,7 +309,7 @@ static void spatial_compensation_8(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
}
}
static void spatial_compensation_9(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
static void spatial_compensation_9(const uint8_t *restrict src, uint8_t *restrict dst, ptrdiff_t stride)
{
int x, y;
@ -319,7 +320,7 @@ static void spatial_compensation_9(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
}
}
static void spatial_compensation_10(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
static void spatial_compensation_10(const uint8_t *restrict src, uint8_t *restrict dst, ptrdiff_t stride)
{
int x, y;
@ -330,7 +331,7 @@ static void spatial_compensation_10(uint8_t *src, uint8_t *dst, ptrdiff_t stride
}
}
static void spatial_compensation_11(uint8_t *src, uint8_t *dst, ptrdiff_t stride)
static void spatial_compensation_11(const uint8_t *restrict src, uint8_t *restrict dst, ptrdiff_t stride)
{
int x, y;

4
libavcodec/intrax8dsp.h
View File

@ -26,9 +26,9 @@ typedef struct IntraX8DSPContext {
void (*v_loop_filter)(uint8_t *src, ptrdiff_t stride, int qscale);
void (*h_loop_filter)(uint8_t *src, ptrdiff_t stride, int qscale);
void (*spatial_compensation[12])(uint8_t *src, uint8_t *dst,
void (*spatial_compensation[12])(const uint8_t *restrict src, uint8_t *restrict dst,
ptrdiff_t stride);
void (*setup_spatial_compensation)(uint8_t *src, uint8_t *dst,
void (*setup_spatial_compensation)(const uint8_t *restrict src, uint8_t *restrict dst,
ptrdiff_t stride, int *range,
int *sum, int edges);
} IntraX8DSPContext;