Commit e2cd28c9 authored by Reimar Döffinger's avatar Reimar Döffinger

fft: add missing const.

This table was the largest object in FFmpeg's .data,
and really should be in .rodata.
Signed-off-by: 's avatarReimar Döffinger <Reimar.Doeffinger@gmx.de>
parent ce36d808
...@@ -53,7 +53,7 @@ ...@@ -53,7 +53,7 @@
*/ */
#include "libavcodec/fft_table.h" #include "libavcodec/fft_table.h"
int32_t w_tab_sr[MAX_FFT_SIZE/(4*16)] = { const int32_t w_tab_sr[MAX_FFT_SIZE/(4*16)] = {
2147483647, 2147481121, 2147473542, 2147460908, 2147443222, 2147420483, 2147392690, 2147359845, 2147483647, 2147481121, 2147473542, 2147460908, 2147443222, 2147420483, 2147392690, 2147359845,
2147321946, 2147278995, 2147230991, 2147177934, 2147119825, 2147056664, 2146988450, 2146915184, 2147321946, 2147278995, 2147230991, 2147177934, 2147119825, 2147056664, 2146988450, 2146915184,
2146836866, 2146753497, 2146665076, 2146571603, 2146473080, 2146369505, 2146260881, 2146147205, 2146836866, 2146753497, 2146665076, 2146571603, 2146473080, 2146369505, 2146260881, 2146147205,
......
...@@ -59,7 +59,7 @@ ...@@ -59,7 +59,7 @@
#define MAX_LOG2_NFFT 16 //!< Specifies maximum allowed fft size #define MAX_LOG2_NFFT 16 //!< Specifies maximum allowed fft size
#define MAX_FFT_SIZE (1 << MAX_LOG2_NFFT) #define MAX_FFT_SIZE (1 << MAX_LOG2_NFFT)
extern int32_t w_tab_sr[]; extern const int32_t w_tab_sr[];
extern uint16_t fft_offsets_lut[]; extern uint16_t fft_offsets_lut[];
void ff_fft_lut_init(uint16_t *table, int off, int size, int *index); void ff_fft_lut_init(uint16_t *table, int off, int size, int *index);
......
...@@ -229,7 +229,7 @@ static void fft_calc_c(FFTContext *s, FFTComplex *z) { ...@@ -229,7 +229,7 @@ static void fft_calc_c(FFTContext *s, FFTComplex *z) {
FFTSample tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8; FFTSample tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8;
FFTComplex *tmpz; FFTComplex *tmpz;
FFTSample w_re, w_im; FFTSample w_re, w_im;
FFTSample *w_re_ptr, *w_im_ptr; const FFTSample *w_re_ptr, *w_im_ptr;
const int fft_size = (1 << s->nbits); const int fft_size = (1 << s->nbits);
int64_t accu; int64_t accu;
......
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