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struct quisk_cFilter {
double * dCoefs; // filter coefficients
complex double * cpxCoefs; // make the complex coefficients from dCoefs
int nBuf; // dimension of cBuf
int nTaps; // dimension of dSamples, cSamples, dCoefs and cpxCoefs
int decim_index; // used to count samples for decimation
complex double * cSamples; // storage for old samples
complex double * ptcSamp; // next available position in cSamples
complex double * cBuf; // auxillary buffer for interpolation
} ;
struct quisk_dFilter {
double * dCoefs; // filter coefficients
complex double * cpxCoefs; // make the complex coefficients from dCoefs
int nBuf; // dimension of dBuf
int nTaps; // dimension of dSamples, cSamples, dCoefs and cpxCoefs
int decim_index; // used to count samples for decimation
double * dSamples; // storage for old samples
double * ptdSamp; // next available position in dSamples
double * dBuf; // auxillary buffer for interpolation
} ;
struct quisk_cHB45Filter { // Complex half band decimate by 2 filter with 45 coefficients
complex double * cBuf; // auxillary buffer for interpolation
int nBuf; // dimension of cBuf
int toggle;
complex double samples[22];
complex double center[11];
} ;
struct quisk_dHB45Filter { // Real half band decimate by 2 filter with 45 coefficients
double * dBuf; // auxillary buffer for interpolation
int nBuf; // dimension of dBuf
int toggle;
double samples[22];
double center[11];
} ;
void quisk_filt_cInit(struct quisk_cFilter *, double *, int);
void quisk_filt_dInit(struct quisk_dFilter *, double *, int);
void quisk_filt_differInit(struct quisk_dFilter *, int);
void quisk_filt_tune(struct quisk_dFilter *, double, int);
complex double quisk_dC_out(double, struct quisk_dFilter *);
double quisk_dD_out(double, struct quisk_dFilter *);
int quisk_cInterpolate(complex double *, int, struct quisk_cFilter *, int);
int quisk_dInterpolate(double *, int, struct quisk_dFilter *, int);
int quisk_cDecimate(complex double *, int, struct quisk_cFilter *, int);
int quisk_cCDecimate(complex double *, int, struct quisk_cFilter *, int);
int quisk_dDecimate(double *, int, struct quisk_dFilter *, int);
int quisk_cInterpDecim(complex double *, int, struct quisk_cFilter *, int, int);
int quisk_cDecim2HB45(complex double *, int, struct quisk_cHB45Filter *);
int quisk_dInterp2HB45(double *, int, struct quisk_dHB45Filter *);
int quisk_cInterp2HB45(complex double *, int, struct quisk_cHB45Filter *);
int quisk_dFilter(double *, int, struct quisk_dFilter *);
int quisk_cFilter(complex double *, int, struct quisk_cFilter *);
extern double quiskMicFilt48Coefs[325];
extern double quiskMic5Filt48Coefs[424];
extern double quiskMicFilt8Coefs[93];
extern double quiskLpFilt48Coefs[186];
extern double quiskFilt12_19Coefs[64];
extern double quiskFilt185D3Coefs[189];
extern double quiskFilt133D2Coefs[136];
extern double quiskFilt167D3Coefs[174];
extern double quiskFilt111D2Coefs[114];
extern double quiskFilt53D1Coefs[55];
extern double quiskFilt53D2Coefs[93];
extern double quiskFilt144D3Coefs[147];
extern double quiskFilt240D5Coefs[115];
extern double quiskFilt240D5CoefsSharp[245];
extern double quiskFilt48dec24Coefs[98];
extern double quiskAudio24p6Coefs[36];
extern double quiskAudio48p6Coefs[71];
extern double quiskAudio96Coefs[11];
extern double quiskAudio24p4Coefs[50];
extern double quiskAudioFmHpCoefs[309];
extern double quiskAudio24p3Coefs[100];
extern double quiskFiltTx8kAudioB[168];
extern double quiskFilt16dec8Coefs[62];
extern double quiskFilt120s03[480];
extern double quiskFiltI3D25Coefs[825];
extern double quiskDgtFilt48Coefs[520];
extern double quiskFilt300D5Coefs[125];
extern double quiskFilt300D6Coefs[248];
extern double quiskFilt240D4Coefs[100];
extern double quiskDiff48Coefs[38];
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