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authorJames Almer <jamrial@gmail.com>2022-09-22 13:41:29 -0300
committerJames Almer <jamrial@gmail.com>2022-09-22 18:17:26 -0300
commitc8c4a162fc18c0fd99bada66d9ea3b48c64b2450 (patch)
treeb3647ca804d37cb10ae2eeac413ed53ae61c0402 /libavcodec
parenta2d95928c3584e7224a06b73845755f45c13c7f7 (diff)
downloadffmpeg-c8c4a162fc18c0fd99bada66d9ea3b48c64b2450.tar.gz
avcodec/lpc: use ptrdiff_t for length parameters
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/lpc.c4
-rw-r--r--libavcodec/lpc.h5
-rw-r--r--libavcodec/x86/lpc.asm1
-rw-r--r--libavcodec/x86/lpc_init.c6
4 files changed, 8 insertions, 8 deletions
diff --git a/libavcodec/lpc.c b/libavcodec/lpc.c
index 4885d5cb06..8603bb9709 100644
--- a/libavcodec/lpc.c
+++ b/libavcodec/lpc.c
@@ -31,7 +31,7 @@
/**
* 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)
{
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
* 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)
{
int i, j;
diff --git a/libavcodec/lpc.h b/libavcodec/lpc.h
index e1b41bfd9b..467d0b2830 100644
--- a/libavcodec/lpc.h
+++ b/libavcodec/lpc.h
@@ -23,6 +23,7 @@
#define AVCODEC_LPC_H
#include <stdint.h>
+#include <stddef.h>
#include "libavutil/avassert.h"
#include "libavutil/lls.h"
#include "aac_defines.h"
@@ -64,7 +65,7 @@ typedef struct LPCContext {
* @param len number of input 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);
/**
* Perform autocorrelation on input samples with delay of 0 to lag.
@@ -79,7 +80,7 @@ typedef struct LPCContext {
* @param autoc output autocorrelation coefficients.
* 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);
// TODO: these should be allocated to reduce ABI compatibility issues
diff --git a/libavcodec/x86/lpc.asm b/libavcodec/x86/lpc.asm
index 731aa7e2d8..ad74f1d8ac 100644
--- a/libavcodec/x86/lpc.asm
+++ b/libavcodec/x86/lpc.asm
@@ -36,7 +36,6 @@ SECTION .text
%macro APPLY_WELCH_FN 0
cglobal lpc_apply_welch_window, 3, 5, 8, data, len, out, off1, off2
- movsxdifnidn lenq, lend
cmp lenq, 0
je .end
cmp lenq, 2
diff --git a/libavcodec/x86/lpc_init.c b/libavcodec/x86/lpc_init.c
index df77c966c6..f2fca53799 100644
--- a/libavcodec/x86/lpc_init.c
+++ b/libavcodec/x86/lpc_init.c
@@ -24,16 +24,16 @@
#include "libavutil/x86/cpu.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);
-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);
DECLARE_ASM_CONST(16, double, pd_1)[2] = { 1.0, 1.0 };
#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)
{
int j;