#endif /* CONFIG_FFT_FLOAT */
+typedef struct FFTDComplex {
+ FFTDouble re, im;
+} FFTDComplex;
+
/* FFT computation */
struct FFTContext {
void (*imdct_calc)(struct FFTContext *s, FFTSample *output, const FFTSample *input);
void (*imdct_half)(struct FFTContext *s, FFTSample *output, const FFTSample *input);
void (*mdct_calc)(struct FFTContext *s, FFTSample *output, const FFTSample *input);
+ void (*mdct_calcw)(struct FFTContext *s, FFTDouble *output, const FFTSample *input);
int fft_permutation;
#define FF_FFT_PERM_DEFAULT 0
#define FF_FFT_PERM_SWAP_LSBS 1
+#define FF_FFT_PERM_AVX 2
int mdct_permutation;
#define FF_MDCT_PERM_NONE 0
#define FF_MDCT_PERM_INTERLEAVE 1
#endif
#define COSTABLE(size) \
- COSTABLE_CONST DECLARE_ALIGNED(16, FFTSample, FFT_NAME(ff_cos_##size))[size/2]
+ COSTABLE_CONST DECLARE_ALIGNED(32, FFTSample, FFT_NAME(ff_cos_##size))[size/2]
extern COSTABLE(16);
extern COSTABLE(32);
/**
* Initialize the cosine table in ff_cos_tabs[index]
- * \param index index in ff_cos_tabs array of the table to initialize
+ * @param index index in ff_cos_tabs array of the table to initialize
*/
void ff_init_ff_cos_tabs(int index);
*/
int ff_fft_init(FFTContext *s, int nbits, int inverse);
+#if CONFIG_FFT_FLOAT
void ff_fft_init_altivec(FFTContext *s);
void ff_fft_init_mmx(FFTContext *s);
void ff_fft_init_arm(FFTContext *s);
+#else
+void ff_fft_fixed_init_arm(FFTContext *s);
+#endif
void ff_fft_end(FFTContext *s);