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fft: add missing const.
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>
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@ -53,7 +53,7 @@
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*/
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#include "libavcodec/fft_table.h"
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int32_t w_tab_sr[MAX_FFT_SIZE/(4*16)] = {
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const int32_t w_tab_sr[MAX_FFT_SIZE/(4*16)] = {
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2147483647, 2147481121, 2147473542, 2147460908, 2147443222, 2147420483, 2147392690, 2147359845,
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2147321946, 2147278995, 2147230991, 2147177934, 2147119825, 2147056664, 2146988450, 2146915184,
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2146836866, 2146753497, 2146665076, 2146571603, 2146473080, 2146369505, 2146260881, 2146147205,
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@ -59,7 +59,7 @@
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#define MAX_LOG2_NFFT 16 //!< Specifies maximum allowed fft size
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#define MAX_FFT_SIZE (1 << MAX_LOG2_NFFT)
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extern int32_t w_tab_sr[];
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extern const int32_t w_tab_sr[];
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extern uint16_t fft_offsets_lut[];
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void ff_fft_lut_init(uint16_t *table, int off, int size, int *index);
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@ -229,7 +229,7 @@ static void fft_calc_c(FFTContext *s, FFTComplex *z) {
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FFTSample tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8;
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FFTComplex *tmpz;
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FFTSample w_re, w_im;
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FFTSample *w_re_ptr, *w_im_ptr;
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const FFTSample *w_re_ptr, *w_im_ptr;
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const int fft_size = (1 << s->nbits);
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int64_t accu;
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