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avcodec/mpegvideoencdsp: Allow pointers to const where possible 

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-07-26 08:00:28 +02:00
parent abb85429f3
commit 966fc1230a
9 changed files with 26 additions and 26 deletions
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4
libavcodec/arm/mpegvideoencdsp_init_arm.c
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@ -24,8 +24,8 @@
#include "libavcodec/avcodec.h"
#include "libavcodec/mpegvideoencdsp.h"
int ff_pix_norm1_armv6(uint8_t *pix, int line_size);
int ff_pix_sum_armv6(uint8_t *pix, int line_size);
int ff_pix_norm1_armv6(const uint8_t *pix, int line_size);
int ff_pix_sum_armv6(const uint8_t *pix, int line_size);
av_cold void ff_mpegvideoencdsp_init_arm(MpegvideoEncDSPContext *c,
AVCodecContext *avctx)

2
libavcodec/mips/h263dsp_mips.h
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@ -31,6 +31,6 @@ void ff_dct_unquantize_h263_inter_msa(MpegEncContext *s, int16_t *block,
int32_t index, int32_t q_scale);
void ff_dct_unquantize_h263_intra_msa(MpegEncContext *s, int16_t *block,
int32_t index, int32_t q_scale);
int ff_pix_sum_msa(uint8_t *pix, int line_size);
int ff_pix_sum_msa(const uint8_t *pix, int line_size);
#endif // #ifndef AVCODEC_MIPS_H263DSP_MIPS_H

4
libavcodec/mips/mpegvideoencdsp_msa.c
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@ -21,7 +21,7 @@
#include "h263dsp_mips.h"
#include "libavutil/mips/generic_macros_msa.h"
static int32_t sum_u8src_16width_msa(uint8_t *src, int32_t stride)
static int32_t sum_u8src_16width_msa(const uint8_t *src, int32_t stride)
{
uint32_t sum = 0;
v16u8 in0, in1, in2, in3, in4, in5, in6, in7;
@ -56,7 +56,7 @@ static int32_t sum_u8src_16width_msa(uint8_t *src, int32_t stride)
return sum;
}
int ff_pix_sum_msa(uint8_t *pix, int line_size)
int ff_pix_sum_msa(const uint8_t *pix, int line_size)
{
return sum_u8src_16width_msa(pix, line_size);
}

10
libavcodec/mpegvideoencdsp.c
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@ -28,8 +28,8 @@
#include "me_cmp.h"
#include "mpegvideoencdsp.h"
static int try_8x8basis_c(int16_t rem[64], int16_t weight[64],
int16_t basis[64], int scale)
static int try_8x8basis_c(const int16_t rem[64], const int16_t weight[64],
const int16_t basis[64], int scale)
{
int i;
unsigned int sum = 0;
@ -47,7 +47,7 @@ static int try_8x8basis_c(int16_t rem[64], int16_t weight[64],
return sum >> 2;
}
static void add_8x8basis_c(int16_t rem[64], int16_t basis[64], int scale)
static void add_8x8basis_c(int16_t rem[64], const int16_t basis[64], int scale)
{
int i;
@ -57,7 +57,7 @@ static void add_8x8basis_c(int16_t rem[64], int16_t basis[64], int scale)
(BASIS_SHIFT - RECON_SHIFT);
}
static int pix_sum_c(uint8_t *pix, int line_size)
static int pix_sum_c(const uint8_t *pix, int line_size)
{
int s = 0, i, j;
@ -78,7 +78,7 @@ static int pix_sum_c(uint8_t *pix, int line_size)
return s;
}
static int pix_norm1_c(uint8_t *pix, int line_size)
static int pix_norm1_c(const uint8_t *pix, int line_size)
{
int s = 0, i, j;
const uint32_t *sq = ff_square_tab + 256;

10
libavcodec/mpegvideoencdsp.h
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@ -30,12 +30,12 @@
#define EDGE_BOTTOM 2
typedef struct MpegvideoEncDSPContext {
int (*try_8x8basis)(int16_t rem[64], int16_t weight[64],
int16_t basis[64], int scale);
void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale);
int (*try_8x8basis)(const int16_t rem[64], const int16_t weight[64],
const int16_t basis[64], int scale);
void (*add_8x8basis)(int16_t rem[64], const int16_t basis[64], int scale);
int (*pix_sum)(uint8_t *pix, int line_size);
int (*pix_norm1)(uint8_t *pix, int line_size);
int (*pix_sum)(const uint8_t *pix, int line_size);
int (*pix_norm1)(const uint8_t *pix, int line_size);
void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src,
int src_wrap, int width, int height);

8
libavcodec/ppc/mpegvideoencdsp.c
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@ -30,7 +30,7 @@
#if HAVE_ALTIVEC
#if HAVE_VSX
static int pix_norm1_altivec(uint8_t *pix, int line_size)
static int pix_norm1_altivec(const uint8_t *pix, int line_size)
{
int i, s = 0;
const vector unsigned int zero =
@ -57,7 +57,7 @@ static int pix_norm1_altivec(uint8_t *pix, int line_size)
return s;
}
#else
static int pix_norm1_altivec(uint8_t *pix, int line_size)
static int pix_norm1_altivec(const uint8_t *pix, int line_size)
{
int i, s = 0;
const vector unsigned int zero =
@ -87,7 +87,7 @@ static int pix_norm1_altivec(uint8_t *pix, int line_size)
#endif /* HAVE_VSX */
#if HAVE_VSX
static int pix_sum_altivec(uint8_t *pix, int line_size)
static int pix_sum_altivec(const uint8_t *pix, int line_size)
{
int i, s;
const vector unsigned int zero =
@ -115,7 +115,7 @@ static int pix_sum_altivec(uint8_t *pix, int line_size)
return s;
}
#else
static int pix_sum_altivec(uint8_t *pix, int line_size)
static int pix_sum_altivec(const uint8_t *pix, int line_size)
{
int i, s;
const vector unsigned int zero =

4
libavcodec/x86/mpegvideoenc_qns_template.c
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@ -32,7 +32,7 @@
#define MAX_ABS (512 >> (SCALE_OFFSET>0 ? SCALE_OFFSET : 0))
static int DEF(try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale)
static int DEF(try_8x8basis)(const int16_t rem[64], const int16_t weight[64], const int16_t basis[64], int scale)
{
x86_reg i=0;
@ -74,7 +74,7 @@ static int DEF(try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[
return i;
}
static void DEF(add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale)
static void DEF(add_8x8basis)(int16_t rem[64], const int16_t basis[64], int scale)
{
x86_reg i=0;

4
libavcodec/x86/mpegvideoencdsp.asm
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@ -24,7 +24,7 @@
%include "libavutil/x86/x86util.asm"
SECTION .text
; int ff_pix_sum16(uint8_t *pix, int line_size)
; int ff_pix_sum16(const uint8_t *pix, int line_size)
; %1 = number of loops
; %2 = number of GPRs used
%macro PIX_SUM16 3
@ -72,7 +72,7 @@ INIT_XMM xop
PIX_SUM16 4, 4, 4
%endif
; int ff_pix_norm1(uint8_t *pix, int line_size)
; int ff_pix_norm1(const uint8_t *pix, int line_size)
; %1 = number of xmm registers used
; %2 = number of loops
%macro PIX_NORM1 2

6
libavcodec/x86/mpegvideoencdsp_init.c
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@ -23,9 +23,9 @@
#include "libavcodec/avcodec.h"
#include "libavcodec/mpegvideoencdsp.h"
int ff_pix_sum16_sse2(uint8_t *pix, int line_size);
int ff_pix_sum16_xop(uint8_t *pix, int line_size);
int ff_pix_norm1_sse2(uint8_t *pix, int line_size);
int ff_pix_sum16_sse2(const uint8_t *pix, int line_size);
int ff_pix_sum16_xop(const uint8_t *pix, int line_size);
int ff_pix_norm1_sse2(const uint8_t *pix, int line_size);
#if HAVE_INLINE_ASM