File with code of ReMAS functions for CPU, both x86_64 and ARM. More...

#include "CPUFunctions.h"
#include "FileFunctions.h"

Functions
void	ApplyWindow (MyType __restrict X_fft, const short frame, const MyType *v_hanning, const int framesize, const int xfftsize)
	ApplyWindow applies hanning window to the current frame and store the result en vector X_fft. More...

void	ComputeNorms (MyType norms, MyType ts_fk, const MyType *s_fk, const int nmidi, const int nbases, const MyType beta)
	ComputeNorms fills norms vector. More...

int	AllocAuxiCPU (MyType norms, short frame, MyType v_cfreq, MyType v_dxState, const int nbases, const int tamframe, const int nmidi)
	AllocAuxiCPU Memory reservation for norms, frame, v_cfreq and v_dxState vectors. More...

int	AllocFFTCPU (MyFFTCPUType plan, MyType X_fft, MyType Out_fft, MyType Mod_fft, int kmin_fft, int *kmax_fft, const int nfft, DTWfiles NameFiles)
	AllocFFTCPU Allocates memory for FFT vector and reads some fft information from files. More...

int	AllocS_fkCPU (MyType s_fk, MyType tauxi, MyType **ts_fk, const MyType BETA, const int nmidi, const int nbases, DTWfiles NameFiles)
	AllocS_fkCPU Allocates memory for S_fk vector, read its data from file and initializes other auxiliar vectors. More...

int	AllocDTWCPU (MyType pV, MyType v_SxD, const int DTWSize, const int DTWSizePlusPad, const int startin)
	AllocDTWCPU Allocates memory for DTW vectors and initializes them. More...

int	AllocDataCPU (MyType v_hanning, int states_time_i, int states_time_e, int states_seq, int states_corr, int I_SxD, int *DTWSize, const int tamframe, const int nstates, DTWfiles NameFiles)
	AllocDataCPU creates and initializes some structures reading info from files. More...

void	FFT (MyType v_cfreq, const int kmin, const int kmax, MyType X_fft, MyType Mod_fft, MyType Out_fft, MyFFTCPUType plan, const int nfft, const int nmidi)
	FFT computes FFT and updates v_cfreq vector. More...

int	SeqIdamin (const int N, const MyType *v)
	SeqIdamin returns the pos of the minimum in a vector. More...

int	DTWProc (const MyType Sequence, const MyType Costs, MyType *__restrict pD, const int NSeq, const int Where, const int NST)
	DTWProc performs the Online-DTW process for the current frame. More...

void	ApplyDist (const MyType v_dxState, MyType v_SxD, const int *I_SxD, const int size, const MyType ALPHA)
	ApplyDist applies distortion. More...

void	ComputeDist (const MyType v_cfreq, MyType __restrict v_dxStates, MyType tauxi, const MyType norms, const MyType s_fk, const MyType ts_fk, const MyType BETA, const int nbases, const int nmidi)
	ComputeDist computes distortion. More...

int	ReadWavCPU1st (short frame, FILE fp)
	ReadWavCPU1st reads first audio (frame) from WAV file when ARM is used. More...

int	ReadWavCPU (short frame, FILE fp)
	ReadWavCPU reads current audio (frame) from WAV file when ARM is used. More...

void	BetaNorm (MyType *v_cfreq, const int nmidi, MyType BETA)
	BetaNorm normalizes v_cfreq vector to have beta-norm 1. More...

Detailed Description

File with code of ReMAS functions for CPU, both x86_64 and ARM.

Author: Information Retrieval and Parallel Computing Group, University of Oviedo, Spain; Interdisciplinary Computation and Communication Group, Universitat Politecnica de Valencia, Spain; Signal Processing and Telecommunication Systems Research Group, University of Jaen, Spain.; Contact: remas.nosp@m.pack.nosp@m.@gmai.nosp@m.l.co.nosp@m.m

Date: February 13, 2017

Definition in file CPUFunctions.c.

Function Documentation

◆ AllocAuxiCPU()

int AllocAuxiCPU	(	MyType **	norms,
		short **	frame,
		MyType **	v_cfreq,
		MyType **	v_dxState,
		const int	nbases,
		const int	tamframe,
		const int	nmidi
	)

AllocAuxiCPU Memory reservation for norms, frame, v_cfreq and v_dxState vectors.

Parameters

norms	(out) Norms vector
frame	(out) Vector for frames
v_cfreq	(out) v_cfreq vector
v_dxState	(out) v_dxState vector
nbases	(in) Number of bases/combinations, sizeof norms and v_dxState
tamframe	(in) Size of frames in samples
nmidi	(in) Number of midi notes, sizeof v_cfreq

Returns: : 0 if all is OK, otherwise a code error (see defines.h)

Definition at line 152 of file CPUFunctions.c.

◆ AllocDataCPU()

int AllocDataCPU	(	MyType **	v_hanning,
		int **	states_time_i,
		int **	states_time_e,
		int **	states_seq,
		int **	states_corr,
		int **	I_SxD,
		int *	DTWSize,
		const int	tamframe,
		const int	nstates,
		DTWfiles	NameFiles
	)

AllocDataCPU creates and initializes some structures reading info from files.

Parameters

v_hanning	(out) v_hanning vector
states_time_i	(out) states_time_i vector, contains the start-time of each state in frames
states_time_e	(out) states_time_e vector, contains the end-time of each state in frames
states_seq	(out) states_seq vector, contains the base/combination that is performed in each state
states_corr	(out) states_corr vector
I_SxD	(out) I_SxD vector
DTWSize	(in) Size of DTW vectors
tamframe	(in) Size of frames in samples
nstates	(in) Number of states
NameFiles	(in) Struct with the file names

Returns: : 0 if all is OK, otherwise a code error (see defines.h)

Definition at line 310 of file CPUFunctions.c.

◆ AllocDTWCPU()

int AllocDTWCPU	(	MyType **	pV,
		MyType **	v_SxD,
		const int	DTWSize,
		const int	DTWSizePlusPad,
		const int	startin
	)

AllocDTWCPU Allocates memory for DTW vectors and initializes them.

Parameters

pV	(out) DTW pV vector
v_SxD	(out) v_SxD vector
DTWSize	(in) Size of DTW vectors
DTWSizePlusPad	(in) Size of DTW vectors plus padding
startin	(in) Where we start to store data within circular-buffer

Returns: : 0 if all is OK, otherwise a code error (see defines.h)

Definition at line 270 of file CPUFunctions.c.

◆ AllocFFTCPU()

int AllocFFTCPU	(	MyFFTCPUType *	plan,
		MyType **	X_fft,
		MyType **	Out_fft,
		MyType **	Mod_fft,
		int *	kmin_fft,
		int *	kmax_fft,
		const int	nfft,
		DTWfiles	NameFiles
	)

AllocFFTCPU Allocates memory for FFT vector and reads some fft information from files.

Parameters

plan	(out) FFT scheduler
X_fft	(out) X_fft vector
Out_fft	(out) Out_fft vector
Mod_fft	(out) Mod_fft vector
kmin_fft	(out) Where kmin_fft is stored
kmax_fft	(out) Where kmax_fft is stored
nfft	(in) As is to be, Mod_fft and Out_fft size
NameFiles	(in) Struct with the file names

Returns: : 0 if all is OK, otherwise a code error (see defines.h)

Definition at line 177 of file CPUFunctions.c.

◆ AllocS_fkCPU()

int AllocS_fkCPU	(	MyType **	s_fk,
		MyType **	tauxi,
		MyType **	ts_fk,
		const MyType	BETA,
		const int	nmidi,
		const int	nbases,
		DTWfiles	NameFiles
	)

AllocS_fkCPU Allocates memory for S_fk vector, read its data from file and initializes other auxiliar vectors.

Parameters

s_fk	(out) s_fk vector
tauxi	(out) Auxiliar vector tauxi
ts_fk	(out) Auxiliar vector ts_fk
BETA	(in) BETA value
nmidi	(in) Number of midi notes
nbases	(in) Number of bases/combinations
NameFiles	(in) Struct with the file names

Returns: : 0 if all is OK, otherwise a code error (see defines.h)

Definition at line 231 of file CPUFunctions.c.

◆ ApplyDist()

void ApplyDist	(	const MyType *	v_dxState,
		MyType *	v_SxD,
		const int *	I_SxD,
		const int	size,
		const MyType	ALPHA
	)

ApplyDist applies distortion.

Parameters

v_dxState	(in) v_dxState vector
v_SxD	(out) v_SxD vector
I_SxD	(in) I_SxD vector
size	(in) Size of the vectors
ALPHA	(in) ALPHA value

Returns: : Nothing, it is void

Definition at line 550 of file CPUFunctions.c.

◆ ApplyWindow()

void ApplyWindow	(	MyType *__restrict	X_fft,
		const short *	frame,
		const MyType *	v_hanning,
		const int	framesize,
		const int	xfftsize
	)

ApplyWindow applies hanning window to the current frame and store the result en vector X_fft.

Parameters

X_fft	(out) Vector X_fft to update
frame	(in) Vector with current frame
v_hanning	(in) Hanning vector
framesize	(in) Size of the frame
xfftsize	(in) Size of the vector X_fft

Returns: : Nothing, it is void

Definition at line 48 of file CPUFunctions.c.

◆ BetaNorm()

void BetaNorm	(	MyType *	v_cfreq,
		const int	nmidi,
		MyType	BETA
	)

BetaNorm normalizes v_cfreq vector to have beta-norm 1.

Parameters

v_cfreq	(inout) v_cfreq vector
BETA	(in) BETA value
nmidi	(in) Number of midi notes

Returns: : Nothing, it is void

Definition at line 817 of file CPUFunctions.c.

◆ ComputeDist()

void ComputeDist	(	const MyType *	v_cfreq,
		MyType *__restrict	v_dxStates,
		MyType *	tauxi,
		const MyType *	norms,
		const MyType *	s_fk,
		const MyType *	ts_fk,
		const MyType	BETA,
		const int	nbases,
		const int	nmidi
	)

ComputeDist computes distortion.

Parameters

v_cfreq	(in) v_cfreq vector
v_dxStates	(out) v_dxStates vector
tauxi	(out) tauxi vector
norms	(in) norms vector
s_fk	(in) s_fk vector
ts_fk	(in) ts_fk vector
BETA	(in) BETA value
nbases	(in) Number of bases/combinations
nmidi	(in) Number of midi notes

Returns: : Nothing, it is void

Definition at line 600 of file CPUFunctions.c.

◆ ComputeNorms()

void ComputeNorms	(	MyType *	norms,
		MyType *	ts_fk,
		const MyType *	s_fk,
		const int	nmidi,
		const int	nbases,
		const MyType	beta
	)

ComputeNorms fills norms vector.

Parameters

norms	(out) Vector with the norms
ts_fk	(in) Auxiliar vector
s_fk	(in) Vector s_fk
nmidi	(in) Number of midi notes
nbases	(in) Number of bases/combinations
beta	(in) BETA value

Returns: : Nothing, it is void

Definition at line 73 of file CPUFunctions.c.

◆ DTWProc()

int DTWProc	(	const MyType *	Sequence,
		const MyType *	Costs,
		MyType *__restrict	pD,
		const int	NSeq,
		const int	Where,
		const int	NST
	)

DTWProc performs the Online-DTW process for the current frame.

Parameters

Sequence	(in) Currente frame
Costs	(in) Vector with DTW path-costs
pD	(out) DTW pD vector
NSeq	(in) One referenced position within DTW vectors
Where	(in) Position within DTW vectors
NST	(in) Number of states

Returns: : Position of the minimun

Definition at line 485 of file CPUFunctions.c.

◆ FFT()

void FFT	(	MyType *	v_cfreq,
		const int *	kmin,
		const int *	kmax,
		MyType *	X_fft,
		MyType *	Mod_fft,
		MyType *	Out_fft,
		MyFFTCPUType	plan,
		const int	nfft,
		const int	nmidi
	)

FFT computes FFT and updates v_cfreq vector.

Parameters

v_cfreq	(out) v_cfreq vector
kmin	(input) kmin vector
kmax	(input) kmax vector
X_fft	(inout) X_fft vector
Mod_fft	(inout) Mod_fft vector
Out_fft	(inout) Out_fft vector
plan	(out) FFT scheduler
nfft	(in) As is to be, Mod_fft and Out_fft size
nmidi	(in) Number of midi notes

Returns: : Nothing, it is void

Definition at line 356 of file CPUFunctions.c.

◆ ReadWavCPU()

ReadWavCPU	(	short *	frame,
		FILE *	fp
	)

ReadWavCPU reads current audio (frame) from WAV file when ARM is used.

Parameters

frame	(out) Vector to store the current frame
fp	(in) ID of file with data

Returns: : 0 if all is OK, otherwise a code error (see defines.h)

Definition at line 756 of file CPUFunctions.c.

◆ ReadWavCPU1st()

ReadWavCPU1st	(	short *	frame,
		FILE *	fp
	)

ReadWavCPU1st reads first audio (frame) from WAV file when ARM is used.

Parameters

frame	(out) Vector to store the first frame
fp	(in) ID of file with the information

Returns: : 0 if all is OK, otherwise a code error (see defines.h)

Definition at line 742 of file CPUFunctions.c.

◆ SeqIdamin()

int SeqIdamin	(	const int	N,
		const MyType *	v
	)

SeqIdamin returns the pos of the minimum in a vector.

When minimum's number of occurrences > 1 => returns the position of the 1st occurrence

Parameters

N	(in) Vector size
v	(in) The vector

Returns: : The pos of the minimum

Definition at line 462 of file CPUFunctions.c.