@ -74,6 +74,17 @@ typedef struct FFTDComplex {
/* FFT computation */
enum fft_permutation_type {
FF_FFT_PERM_DEFAULT ,
FF_FFT_PERM_SWAP_LSBS ,
FF_FFT_PERM_AVX ,
} ;
enum mdct_permutation_type {
FF_MDCT_PERM_NONE ,
FF_MDCT_PERM_INTERLEAVE ,
} ;
struct FFTContext {
int nbits ;
int inverse ;
@ -97,13 +108,8 @@ struct FFTContext {
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
enum fft_permutation_type fft_permutation ;
enum mdct_permutation_type mdct_permutation ;
} ;
# if CONFIG_HARDCODED_TABLES