void
LTFAT_NAME(ltfatMexFnc)( int UNUSED(nlhs), mxArray *plhs[],
int UNUSED(nrhs), const mxArray *prhs[] )
{
const mxArray* mxf = prhs[0];
const mxArray* mxg = prhs[1];
double* aDouble = (double*) mxGetData(prhs[2]);
double* offsetDouble = (double*) mxGetData(prhs[3]);
ltfatExtType ext = ltfatExtStringToEnum( mxArrayToString(prhs[4]) );
// input data length
mwSize L = mxGetM(mxf);
// number of channels
mwSize W = mxGetN(mxf);
// filter number
mwSize M = mxGetNumberOfElements(mxg);
// POINTER TO THE INPUT
LTFAT_TYPE* fPtr = mxGetData(prhs[0]);
// POINTER TO THE FILTERS
const LTFAT_TYPE* gPtrs[M];
ltfat_int filtLen[M];
ltfat_int a[M];
ltfat_int offset[M];
// POINTER TO OUTPUTS
LTFAT_TYPE* cPtrs[M]; // C99 feature
plhs[0] = mxCreateCellMatrix(M, 1);
for(mwIndex m=0; m<M; ++m)
{
a[m]= (ltfat_int) aDouble[m];
offset[m] = (ltfat_int) offsetDouble[m];
filtLen[m] = (ltfat_int) mxGetNumberOfElements(mxGetCell(mxg,m));
mwSize outLen = (mwSize) filterbank_td_size(L,a[m],filtLen[m],
offset[m],ext);
mxSetCell(plhs[0], m,
ltfatCreateMatrix(outLen,
W,LTFAT_MX_CLASSID,
LTFAT_MX_COMPLEXITY));
cPtrs[m] = mxGetData(mxGetCell(plhs[0],m));
gPtrs[m] = mxGetData(mxGetCell(mxg, m));
}
LTFAT_NAME(filterbank_td)(fPtr,gPtrs,L,filtLen,W,a,offset,M,cPtrs,ext);
}
void LTFAT_NAME(ltfatMexFnc)( int nlhs, mxArray *plhs[],int nrhs, const mxArray *prhs[] )
{
#ifdef _DEBUG
static int atExitFncRegistered = 0;
if(!atExitFncRegistered)
{
LTFAT_NAME(ltfatMexAtExit)(LTFAT_NAME(tdMexAtExitFnc));
atExitFncRegistered = 1;
}
#endif
const mxArray* mxf = prhs[0];
const mxArray* mxg = prhs[1];
double* a = (double*) mxGetData(prhs[2]);
double* offset = (double*) mxGetData(prhs[3]);
char* ext = mxArrayToString(prhs[4]);
// input data length
mwSize L = mxGetM(mxf);
// number of channels
mwSize W = mxGetN(mxf);
// filter number
mwSize M = mxGetNumberOfElements(mxg);
// filter lengths
mwSize filtLen[M];
//mwSize* filtLen = mxMalloc(M*sizeof(mwSize));
for(unsigned int m=0;m<M;m++)
{
filtLen[m] = (mwSize) mxGetNumberOfElements(mxGetCell(mxg,m));
}
// output lengths
mwSize outLen[M];
//mwSize* outLen = mxMalloc(M*sizeof(mwSize));
if(!strcmp(ext,"per"))
{
for(unsigned int m = 0; m < M; m++)
{
outLen[m] = (mwSize) ceil( L/a[m] );
}
}
else if(!strcmp(ext,"valid"))
{
for(unsigned int m = 0; m < M; m++)
{
outLen[m] = (mwSize) ceil( (L-(filtLen[m]-1))/a[m] );
}
}
else
{
for(unsigned int m = 0; m < M; m++)
{
outLen[m] = (mwSize) ceil( (L + filtLen[m] - 1 + offset[m] )/a[m] );
}
}
// POINTER TO THE INPUT
LTFAT_TYPE* fPtr = (LTFAT_TYPE*) mxGetData(prhs[0]);
// POINTER TO THE FILTERS
LTFAT_TYPE* gPtrs[M];
// LTFAT_TYPE** gPtrs = (LTFAT_TYPE**) mxMalloc(M*sizeof(LTFAT_TYPE*));
for(mwIndex m=0;m<M;m++)
{
gPtrs[m] = (LTFAT_TYPE*) mxGetPr(mxGetCell(mxg, m));
}
// POINTER TO OUTPUTS
LTFAT_TYPE* cPtrs[M]; // C99 feature
//LTFAT_TYPE** cPtrs = (LTFAT_TYPE**) mxMalloc(M*sizeof(LTFAT_TYPE*));
plhs[0] = mxCreateCellMatrix(M, 1);
for(mwIndex m=0;m<M;++m)
{
mxSetCell(plhs[0], m, ltfatCreateMatrix(outLen[m], W,LTFAT_MX_CLASSID,LTFAT_MX_COMPLEXITY));
cPtrs[m] = (LTFAT_TYPE*) mxGetData(mxGetCell(plhs[0],m));
memset(cPtrs[m],0,outLen[m]*W*sizeof(LTFAT_TYPE));
}
// over all channels
// #pragma omp parallel for private(m)
for(mwIndex m =0; m<M; m++)
{
for(mwIndex w =0; w<W; w++)
{
// Obtain pointer to w-th column in input
LTFAT_TYPE *fPtrCol = fPtr + w*L;
// Obtaing pointer to w-th column in m-th element of output cell-array
LTFAT_TYPE *cPtrCol = cPtrs[m] + w*outLen[m];
//conv_td_sub(fPtrCol,L,&cPtrCol,outLen[m],(const double**)&gPtrs[m],filtLen[m],1,a[m],skip[m],ltfatExtStringToEnum(ext),0);
LTFAT_NAME(convsub_td)(fPtrCol,L,cPtrCol,outLen[m],gPtrs[m],filtLen[m],a[m],-offset[m],ltfatExtStringToEnum(ext));
}
}
}
/*
%COMP_ATROUSFILTERBANK_TD Uniform filterbank by conv2
% Usage: c=comp_atrousfilterbank_fft(f,g,a,offset);
%
% Input parameters:
% f : Input data - L*W array.
% g : Filterbank filters - filtLen*M array.
% a : Filter upsampling factor - scalar.
% offset: Delay of the filters - scalar or array of length M.
%
% Output parameters:
% c : L*M*W array of coefficients
%
*/
void LTFAT_NAME(ltfatMexFnc)( int nlhs, mxArray *plhs[],int nrhs, const mxArray *prhs[] )
{
const mxArray* mxf = prhs[0];
const mxArray* mxg = prhs[1];
double* a = mxGetPr(prhs[2]);
double* offset = mxGetPr(prhs[3]);
// input data length
unsigned int L = mxGetM(mxf);
// number of channels
unsigned int W = mxGetN(mxf);
// filter number
unsigned int M = mxGetN(mxg);
// filter length
unsigned int filtLen = mxGetM(mxg);
// POINTER TO THE INPUT
LTFAT_TYPE* fPtr = (LTFAT_TYPE*) mxGetPr(prhs[0]);
// POINTER TO THE FILTERS
LTFAT_TYPE** gPtrs = (LTFAT_TYPE**) mxMalloc(M*sizeof(LTFAT_TYPE*));
for(unsigned int m=0; m<M; m++)
{
gPtrs[m] = ((LTFAT_TYPE*) mxGetData(mxg)) + m*filtLen;
}
mwSize ndim = 3;
mwSize dims[3];
dims[0] = L;
dims[1] = M;
dims[2] = W;
plhs[0] = ltfatCreateNdimArray(ndim,dims,LTFAT_MX_CLASSID,LTFAT_MX_COMPLEXITY);
// over all filters
for(unsigned int m =0; m<M; m++)
{
// over all channels
for(unsigned int w =0; w<W; w++)
{
// Obtain pointer to w-th column in input
LTFAT_TYPE *fPtrCol = fPtr + w*L;
LTFAT_TYPE *cPtrPlane = ((LTFAT_TYPE*) mxGetData(plhs[0])) + w*L*M;
// Obtaing pointer to w-th column in m-th element of output cell-array
LTFAT_TYPE *cPtrCol = cPtrPlane + m*L;
LTFAT_NAME(atrousconvsub_td)(fPtrCol, L, cPtrCol, L, gPtrs[m], filtLen, (int)*a, -offset[m], ltfatExtStringToEnum("per"));
}
}
}
/*
%COMP_IFILTERBANK_TD Synthesis filterbank
% Usage: f=comp_ifilterbank_fft(c,g,a,Ls,offset,ext);
%
% Input parameters:
% c : Cell array of length M, each element is N(m)*W matrix.
% g : Filterbank filters - length M cell-array, each element is vector of length filtLen(m)
% a : Upsampling factors - array of length M.
% offset : Delay of the filters - scalar or array of length M.
% Ls : Output length.
% ext : Border exension technique.
%
% Output parameters:
% f : Output Ls*W array.
%
*/
void LTFAT_NAME(ltfatMexFnc)( int nlhs, mxArray *plhs[],int nrhs, const mxArray *prhs[] )
{
// printf("Filename: %s, Function name %s, %d \n.",__FILE__,__func__,mxIsDouble(prhs[0]));
const mxArray* mxc = prhs[0];
const mxArray* mxg = prhs[1];
double* a = mxGetPr(prhs[2]);
double* Lsdouble = mxGetPr(prhs[3]);
unsigned int Ls = (unsigned int) *Lsdouble;
double* offset = mxGetPr(prhs[4]);
char* ext = mxArrayToString(prhs[5]);
// number of channels
unsigned int W = mxGetN(mxGetCell(mxc,0));
// filter number
unsigned int M = mxGetNumberOfElements(mxg);
// input data length
unsigned int* Lc = mxMalloc(M*sizeof(unsigned int));
for(unsigned int m=0;m<M;m++)
{
Lc[m] = (unsigned int) mxGetM(mxGetCell(mxc,m));
}
// filter lengths
unsigned int* filtLen = mxMalloc(M*sizeof(unsigned int));
for(unsigned int m=0;m<M;m++)
{
filtLen[m] = (unsigned int) mxGetNumberOfElements(mxGetCell(mxg,m));
}
// POINTER TO THE INPUT
LTFAT_TYPE** cPtrs = (LTFAT_TYPE**) mxMalloc(M*sizeof(LTFAT_TYPE*));
for(unsigned int m=0;m<M;++m)
{
cPtrs[m] = (LTFAT_TYPE*) mxGetData(mxGetCell(mxc,m));
}
// allocate output
plhs[0] = ltfatCreateMatrix(Ls, W,LTFAT_MX_CLASSID,LTFAT_MX_COMPLEXITY);
// POINTER TO OUTPUT
LTFAT_TYPE* fPtr = (LTFAT_TYPE*) mxGetData(plhs[0]);
// Set to zeros
memset(fPtr,0,Ls*W*sizeof(LTFAT_TYPE));
// POINTER TO THE FILTERS
LTFAT_TYPE** gPtrs = (LTFAT_TYPE**) mxMalloc(M*sizeof(LTFAT_TYPE*));
for(unsigned int m=0;m<M;m++)
{
gPtrs[m] = (LTFAT_TYPE*) mxGetData(mxGetCell(mxg, m));
}
// over all channels
// #pragma omp parallel for private(m)
for(unsigned int m =0; m<M; m++)
{
for(unsigned int w =0; w<W; w++)
{
// Obtain pointer to w-th column in input
LTFAT_TYPE *fPtrCol = fPtr + w*Ls;
// Obtaing pointer to w-th column in m-th element of output cell-array
LTFAT_TYPE *cPtrCol = cPtrs[m] + w*Lc[m];
//(upconv_td)(const LTFAT_TYPE *in, int inLen, LTFAT_TYPE *out, const int outLen, const LTFAT_TYPE *filts, int fLen, int up, int skip, enum ltfatWavExtType ext)
LTFAT_NAME(upconv_td)(cPtrCol,Lc[m],fPtrCol,Ls,gPtrs[m],filtLen[m],a[m],-offset[m],ltfatExtStringToEnum(ext));
}
}
}
/*
%COMP_IATROUSFILTERBANK_TD Synthesis Uniform filterbank by conv2
% Usage: f=comp_iatrousfilterbank_fft(c,g,a,offset);
%
% Input parameters:
% c : L*M*W array of coefficients.
% g : Filterbank filters - filtLen*M array.
% a : Filters upsampling factor - scalar.
% offset : Delay of the filters - scalar or array of length M.
%
% Output parameters:
% f : Output L*W array.
%
*/
void LTFAT_NAME(ltfatMexFnc)( int nlhs, mxArray *plhs[],int nrhs, const mxArray *prhs[] )
{
// printf("Filename: %s, Function name %s, %d \n.",__FILE__,__func__,mxIsDouble(prhs[0]));
const mxArray* mxc = prhs[0];
const mxArray* mxg = prhs[1];
double* a = mxGetPr(prhs[2]);
double* offset = mxGetPr(prhs[3]);
// number of channels
const mwSize *dims = mxGetDimensions(mxc);
unsigned int L = dims[0];
unsigned int M = dims[1];
unsigned int W = 1;
if(mxGetNumberOfDimensions(mxc)>2)
{
W = dims[2];
}
// filter number
//unsigned int M = mxGetNumberOfElements(mxg);
// filter length
unsigned int filtLen = mxGetM(mxg);
// allocate output
mwSize ndim2 = 2;
mwSize dims2[2];
dims2[0] = L;
dims2[1] = W;
plhs[0] = ltfatCreateNdimArray(ndim2,dims2,LTFAT_MX_CLASSID,LTFAT_MX_COMPLEXITY);
// POINTER TO OUTPUT
LTFAT_TYPE* fPtr = (LTFAT_TYPE*) mxGetData(plhs[0]);
// Set to zeros
memset(fPtr,0,L*W*sizeof(LTFAT_TYPE));
// POINTER TO THE FILTERS
LTFAT_TYPE** gPtrs = (LTFAT_TYPE**) mxMalloc(M*sizeof(LTFAT_TYPE*));
for(unsigned int m=0; m<M; m++)
{
gPtrs[m] = ((LTFAT_TYPE*) mxGetData(mxg)) + m*filtLen;
}
// over all channels
// #pragma omp parallel for private(m)
for(unsigned int m =0; m<M; m++)
{
for(unsigned int w =0; w<W; w++)
{
// Obtain pointer to w-th column in input
LTFAT_TYPE *fPtrCol = fPtr + w*L;
LTFAT_TYPE *cPtrPlane = ((LTFAT_TYPE*) mxGetData(mxc)) + w*L*M;
// Obtaing pointer to w-th column in m-th element of output cell-array
LTFAT_TYPE *cPtrCol = cPtrPlane + m*L;
//(upconv_td)(const LTFAT_TYPE *in, int inLen, LTFAT_TYPE *out, const int outLen, const LTFAT_TYPE *filts, int fLen, int up, int skip, enum ltfatWavExtType ext)
LTFAT_NAME(atrousupconv_td)(cPtrCol,L,fPtrCol,L,gPtrs[m],filtLen,(int)*a,-offset[m],ltfatExtStringToEnum("per"));
}
}
}