radaudio_fft_impl Namespace Reference

Classes
struct	DefaultBitReverse
struct	FftKernelSet

Typedefs
typedef U16	FFTIndex
typedef size_t	InitialPassesKernel(float *out, float const *in, size_t N, FftSign sign)
typedef void	CFftKernel(float *out, size_t step, size_t swiz_N, FftSign sign)
typedef void	ImdctPreFftKernel(float *dest, float const *coeffs, float const *tw_re, float const *tw_im, size_t N)
typedef void	ImdctPostFftKernel(float *signal0, float *signal1, float const *dft, float const *tw_re, float const *tw_im, size_t N)

Functions
	FFT_ALIGN (float, s_fft_twiddles[kMaxFFTN *2])
	FFT_ALIGN (float, s_mdct_long_twiddles[RADAUDIO_LONG_BLOCK_LEN])
	FFT_ALIGN (float, s_mdct_short_twiddles[RADAUDIO_SHORT_BLOCK_LEN])

Variables
FftKernelSet const	kernels_scalar
FFTIndex	s_bit_reverse [kMaxFFTN]
FftKernelSet const	kernels_sse2
FftKernelSet const	kernels_avx2
FftKernelSet const	kernels_neon

Typedef Documentation

CFftKernel

typedef void radaudio_fft_impl::CFftKernel(float *out, size_t step, size_t swiz_N, FftSign sign)

FFTIndex

typedef U16 radaudio_fft_impl::FFTIndex

ImdctPostFftKernel

typedef void radaudio_fft_impl::ImdctPostFftKernel(float *signal0, float *signal1, float const *dft, float const *tw_re, float const *tw_im, size_t N)

ImdctPreFftKernel

typedef void radaudio_fft_impl::ImdctPreFftKernel(float *dest, float const *coeffs, float const *tw_re, float const *tw_im, size_t N)

InitialPassesKernel

typedef size_t radaudio_fft_impl::InitialPassesKernel(float *out, float const *in, size_t N, FftSign sign)

Function Documentation

FFT_ALIGN() [1/3]

radaudio_fft_impl::FFT_ALIGN ( float  , s_fft_twiddles  [kMaxFFTN *2]  )

extern

FFT_ALIGN() [2/3]

radaudio_fft_impl::FFT_ALIGN ( float  , s_mdct_long_twiddles  [RADAUDIO_LONG_BLOCK_LEN]  )

extern

FFT_ALIGN() [3/3]

radaudio_fft_impl::FFT_ALIGN ( float  , s_mdct_short_twiddles  [RADAUDIO_SHORT_BLOCK_LEN]  )

extern

Variable Documentation

kernels_avx2

FftKernelSet const radaudio_fft_impl::kernels_avx2

extern

kernels_neon

FftKernelSet const radaudio_fft_impl::kernels_neon

extern

kernels_scalar

FftKernelSet const radaudio_fft_impl::kernels_scalar

Initial value:

=
{
   ElemF32::bitrev_initial_radix4,
   burst_r4_fft_single_pass<ElemF32>,
   burst_imdct_prefft<ElemF32>,
   burst_imdct_postfft<ElemF32>,
}

kernels_sse2

FftKernelSet const radaudio_fft_impl::kernels_sse2

extern

s_bit_reverse

FFTIndex radaudio_fft_impl::s_bit_reverse[kMaxFFTN]

extern