generic-library/ffmpeg
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fft: add missing const.

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This table was the largest object in FFmpeg's .data,
and really should be in .rodata.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger 2014-08-29 18:23:52 +02:00
parent ce36d80881
commit e2cd28c926
3 changed files with 3 additions and 3 deletions
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2
libavcodec/fft_init_table.c
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@ -53,7 +53,7 @@
*/
#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,
2147321946, 2147278995, 2147230991, 2147177934, 2147119825, 2147056664, 2146988450, 2146915184,
2146836866, 2146753497, 2146665076, 2146571603, 2146473080, 2146369505, 2146260881, 2146147205,

2
libavcodec/fft_table.h
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@ -59,7 +59,7 @@
#define MAX_LOG2_NFFT 16 //!< Specifies maximum allowed fft size
#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[];
void ff_fft_lut_init(uint16_t *table, int off, int size, int *index);

2
libavcodec/fft_template.c
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@ -229,7 +229,7 @@ static void fft_calc_c(FFTContext *s, FFTComplex *z) {
FFTSample tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8;
FFTComplex *tmpz;
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);
int64_t accu;