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avcodec/lpc: use ptrdiff_t for length parameters

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2022-09-22 13:41:29 -03:00
parent a2d95928c3
commit c8c4a162fc
5 changed files with 9 additions and 9 deletions
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4
libavcodec/lpc.c
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@ -31,7 +31,7 @@
/** /**
* Apply Welch window function to audio block * Apply Welch window function to audio block
*/ */
static void lpc_apply_welch_window_c(const int32_t *data, int len, static void lpc_apply_welch_window_c(const int32_t *data, ptrdiff_t len,
double *w_data) double *w_data)
{ {
int i, n2; int i, n2;
@ -70,7 +70,7 @@ static void lpc_apply_welch_window_c(const int32_t *data, int len,
* Calculate autocorrelation data from audio samples * Calculate autocorrelation data from audio samples
* A Welch window function is applied before calculation. * A Welch window function is applied before calculation.
*/ */
static void lpc_compute_autocorr_c(const double *data, int len, int lag, static void lpc_compute_autocorr_c(const double *data, ptrdiff_t len, int lag,
double *autoc) double *autoc)
{ {
int i, j; int i, j;

5
libavcodec/lpc.h
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@ -23,6 +23,7 @@
#define AVCODEC_LPC_H #define AVCODEC_LPC_H
#include <stdint.h> #include <stdint.h>
#include <stddef.h>
#include "libavutil/avassert.h" #include "libavutil/avassert.h"
#include "libavutil/lls.h" #include "libavutil/lls.h"
#include "aac_defines.h" #include "aac_defines.h"
@ -64,7 +65,7 @@ typedef struct LPCContext {
* @param len number of input samples * @param len number of input samples
* @param w_data output samples * @param w_data output samples
*/ */
void (*lpc_apply_welch_window)(const int32_t *data, int len, void (*lpc_apply_welch_window)(const int32_t *data, ptrdiff_t len,
double *w_data); double *w_data);
/** /**
* Perform autocorrelation on input samples with delay of 0 to lag. * Perform autocorrelation on input samples with delay of 0 to lag.
@ -79,7 +80,7 @@ typedef struct LPCContext {
* @param autoc output autocorrelation coefficients. * @param autoc output autocorrelation coefficients.
* constraints: array size must be at least lag+1. * constraints: array size must be at least lag+1.
*/ */
void (*lpc_compute_autocorr)(const double *data, int len, int lag, void (*lpc_compute_autocorr)(const double *data, ptrdiff_t len, int lag,
double *autoc); double *autoc);
// TODO: these should be allocated to reduce ABI compatibility issues // TODO: these should be allocated to reduce ABI compatibility issues

1
libavcodec/x86/lpc.asm
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@ -36,7 +36,6 @@ SECTION .text
%macro APPLY_WELCH_FN 0 %macro APPLY_WELCH_FN 0
cglobal lpc_apply_welch_window, 3, 5, 8, data, len, out, off1, off2 cglobal lpc_apply_welch_window, 3, 5, 8, data, len, out, off1, off2
movsxdifnidn lenq, lend
cmp lenq, 0 cmp lenq, 0
je .end je .end
cmp lenq, 2 cmp lenq, 2

6
libavcodec/x86/lpc_init.c
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@ -24,16 +24,16 @@
#include "libavutil/x86/cpu.h" #include "libavutil/x86/cpu.h"
#include "libavcodec/lpc.h" #include "libavcodec/lpc.h"
void ff_lpc_apply_welch_window_sse2(const int32_t *data, int len, void ff_lpc_apply_welch_window_sse2(const int32_t *data, ptrdiff_t len,
double *w_data); double *w_data);
void ff_lpc_apply_welch_window_avx2(const int32_t *data, int len, void ff_lpc_apply_welch_window_avx2(const int32_t *data, ptrdiff_t len,
double *w_data); double *w_data);
DECLARE_ASM_CONST(16, double, pd_1)[2] = { 1.0, 1.0 }; DECLARE_ASM_CONST(16, double, pd_1)[2] = { 1.0, 1.0 };
#if HAVE_SSE2_INLINE #if HAVE_SSE2_INLINE
static void lpc_compute_autocorr_sse2(const double *data, int len, int lag, static void lpc_compute_autocorr_sse2(const double *data, ptrdiff_t len, int lag,
double *autoc) double *autoc)
{ {
int j; int j;

2
tests/checkasm/lpc.c
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@ -38,7 +38,7 @@ static void test_window(int len)
LOCAL_ALIGNED(16, double, dst0, [5000]); LOCAL_ALIGNED(16, double, dst0, [5000]);
LOCAL_ALIGNED(16, double, dst1, [5000]); LOCAL_ALIGNED(16, double, dst1, [5000]);
declare_func(void, int32_t *in, int len, double *out); declare_func(void, const int32_t *in, ptrdiff_t len, double *out);
randomize_int32(src, len); randomize_int32(src, len);