FFmpeg
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Celt non-power of 2 iMDCT. More...
#include <float.h>
#include <math.h>
#include <stddef.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "imdct15.h"
Go to the source code of this file.
Macros | |
#define | CMUL3(cre, cim, are, aim, bre, bim) |
#define | CMUL(c, a, b) CMUL3((c).re, (c).im, (a).re, (a).im, (b).re, (b).im) |
Functions | |
av_cold void | ff_imdct15_uninit (IMDCT15Context **ps) |
Free an iMDCT. More... | |
static void | imdct15_half (IMDCT15Context *s, float *dst, const float *src, ptrdiff_t stride, float scale) |
static int | init_pfa_reindex_tabs (IMDCT15Context *s) |
av_cold int | ff_imdct15_init (IMDCT15Context **ps, int N) |
Init an iMDCT of the length 2 * 15 * (2^N) More... | |
static void | fft5 (const FFTComplex exptab[2], FFTComplex *out, const FFTComplex *in) |
static void | fft15 (const FFTComplex exptab[22], FFTComplex *out, const FFTComplex *in, size_t stride) |
Celt non-power of 2 iMDCT.
Definition in file imdct15.c.
#define CMUL3 | ( | cre, | |
cim, | |||
are, | |||
aim, | |||
bre, | |||
bim | |||
) |
Definition at line 39 of file imdct15.c.
Referenced by imdct15_half().
Definition at line 45 of file imdct15.c.
Referenced by fft15(), and imdct15_half().
av_cold void ff_imdct15_uninit | ( | IMDCT15Context ** | ps | ) |
Free an iMDCT.
Definition at line 47 of file imdct15.c.
Referenced by aac_decode_close(), ff_celt_free(), and ff_imdct15_init().
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static |
Definition at line 244 of file imdct15.c.
Referenced by ff_imdct15_init().
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inlinestatic |
Definition at line 67 of file imdct15.c.
Referenced by ff_imdct15_init().
av_cold int ff_imdct15_init | ( | IMDCT15Context ** | ps, |
int | N | ||
) |
Init an iMDCT of the length 2 * 15 * (2^N)
Definition at line 98 of file imdct15.c.
Referenced by aac_decode_init(), and ff_celt_init().
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inlinestatic |
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inlinestatic |
Definition at line 214 of file imdct15.c.
Referenced by imdct15_half().