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avcodec/exrdsp: improve the ExrDSPContext->reorder_pixels prototype

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Make dst be the first parameter and src const. It's more in line with the rest of the codebase.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2017-09-17 18:56:39 -03:00
parent 9b8c1224d7
commit 98d7ad085e
5 changed files with 8 additions and 8 deletions
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4
libavcodec/exr.c
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@ -289,7 +289,7 @@ static int zip_uncompress(EXRContext *s, const uint8_t *src, int compressed_size
av_assert1(uncompressed_size % 2 == 0);
predictor(td->tmp, uncompressed_size);
s->dsp.reorder_pixels(td->tmp, td->uncompressed_data, uncompressed_size);
s->dsp.reorder_pixels(td->uncompressed_data, td->tmp, uncompressed_size);
return 0;
}
@ -336,7 +336,7 @@ static int rle_uncompress(EXRContext *ctx, const uint8_t *src, int compressed_si
av_assert1(uncompressed_size % 2 == 0);
predictor(td->tmp, uncompressed_size);
ctx->dsp.reorder_pixels(td->tmp, td->uncompressed_data, uncompressed_size);
ctx->dsp.reorder_pixels(td->uncompressed_data, td->tmp, uncompressed_size);
return 0;
}

2
libavcodec/exrdsp.c
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@ -24,7 +24,7 @@
#include "exrdsp.h"
#include "config.h"
static void reorder_pixels_scalar(uint8_t *src, uint8_t *dst, ptrdiff_t size)
static void reorder_pixels_scalar(uint8_t *dst, const uint8_t *src, ptrdiff_t size)
{
const uint8_t *t1 = src;
int half_size = size / 2;

2
libavcodec/exrdsp.h
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@ -23,7 +23,7 @@
#include "libavutil/common.h"
typedef struct ExrDSPContext {
void (*reorder_pixels)(uint8_t *src, uint8_t *dst, ptrdiff_t size);
void (*reorder_pixels)(uint8_t *dst, const uint8_t *src, ptrdiff_t size);
} ExrDSPContext;
void ff_exrdsp_init(ExrDSPContext *c);

4
libavcodec/x86/exrdsp.asm
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@ -27,11 +27,11 @@
SECTION .text
;------------------------------------------------------------------------------
; void ff_reorder_pixels(uint8_t *src, uint8_t *dst, ptrdiff_t size)
; void ff_reorder_pixels(uint8_t *dst, const uint8_t *src, ptrdiff_t size);
;------------------------------------------------------------------------------
%macro REORDER_PIXELS 0
cglobal reorder_pixels, 3,4,3, src1, dst, size, src2
cglobal reorder_pixels, 3,4,3, dst, src1, size, src2
lea src2q, [src1q+sizeq] ; src2 = src + 2 * half_size
add dstq, sizeq ; dst offset by size
shr sizeq, 1 ; half_size

4
libavcodec/x86/exrdsp_init.c
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@ -22,9 +22,9 @@
#include "libavutil/x86/cpu.h"
#include "libavcodec/exrdsp.h"
void ff_reorder_pixels_sse2(uint8_t *src, uint8_t *dst, ptrdiff_t size);
void ff_reorder_pixels_sse2(uint8_t *dst, const uint8_t *src, ptrdiff_t size);
void ff_reorder_pixels_avx2(uint8_t *src, uint8_t *dst, ptrdiff_t size);
void ff_reorder_pixels_avx2(uint8_t *dst, const uint8_t *src, ptrdiff_t size);
av_cold void ff_exrdsp_init_x86(ExrDSPContext *dsp)
{