1301 regels
55 KiB
C
1301 regels
55 KiB
C
#ifndef cmProc2_h
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#define cmProc2_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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//------------------------------------------------------------------------------------------------------------
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// cmArray is an expandable array designed to work easily with the alloc/init/final/free model
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// used by this library. The arrays can be safely used by using the cmArrayAllocXXX macros
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// with static cmArray member fields during object allocation. cmArrayResizeXXX macros are then
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// used during the object initialization phase to allocate the actual array data space. Notice that
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// when used this way there is no need to call cmArrayFinal() prior to cmArrayResizeXXX().
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// The data memory used by cmArray's is allocated through the cmAllocData() and cmAllocDataZ()
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// macros. The resulting base memory address is therefore guaranteed to be aligned to a
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// 16 byte address boundary.
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typedef struct
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{
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cmObj obj;
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char* ptr;
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unsigned allocByteCnt;
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unsigned eleCnt;
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unsigned eleByteCnt;
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} cmArray;
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enum
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{
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kZeroArrayFl = 0x01
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};
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cmArray* cmArrayAllocate( cmCtx* c, cmArray* p, unsigned eleCnt, unsigned eleByteCnt, unsigned flags );
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cmRC_t cmArrayFree( cmArray** pp );
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cmRC_t cmArrayInit( cmArray* p, unsigned eleCnt, unsigned eleByteCnt, unsigned flags );
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cmRC_t cmArrayFinal( cmArray* p );
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char* cmArrayReallocDestroy( cmArray* p, unsigned newEleCnt, unsigned newEleByteCnt, unsigned flags );
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void cmArrayReallocDestroyV(cmArray* p, int eleByteCnt,unsigned flags, ... );
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char* cmArrayReallocPreserve(cmArray* p, unsigned newEleCnt, unsigned newEleByteCnt, unsigned flags );
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#define cmArrayAlloc( c, p ) cmArrayAllocate(c,p,0,0,0);
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#define cmArrayAllocInit( c, p, eleCnt, type ) cmArrayAllocate(c,p,eleCnt,sizeof(type),0)
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#define cmArrayAllocInitZ( c, p, eleCnt, type ) cmArrayAllocate(c,p,eleCnt,sizeof(type),kZeroArrayFl)
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#define cmArrayResize( c, p, newEleCnt, type ) (type*)cmArrayReallocDestroy(c,p,newEleCnt,sizeof(type), 0 )
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#define cmArrayResizeZ( c, p, newEleCnt, type ) (type*)cmArrayReallocDestroy(c,p,newEleCnt,sizeof(type), kZeroArrayFl )
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#define cmArrayResizePreserve( c, p, newEleCnt, type ) (type*)cmArrayReallocPreserve(c,p,newEleCnt,sizeof(type), 0 )
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#define cmArrayResizePreserveZ(c, p, newEleCnt, type ) (type*)cmArrayReallocPreserve(c,p,newEleCnt,sizeof(type), kZeroArrayFl )
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#define cmArrayResizeV( c, p, type, ... ) cmArrayReallocDestroyV(c,p,sizeof(type),0,##__VA_ARGS__)
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#define cmArrayResizeVZ( c, p, type, ... ) cmArrayReallocDestroyV(c,p,sizeof(type),kZeroArrayFl,##__VA_ARGS__)
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#define cmArrayPtr( type, p ) (type*)(p)->ptr
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#define cmArrayCount( p ) (p)->eleCnt
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//------------------------------------------------------------------------------------------------------------
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typedef struct
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{
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cmObj obj;
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cmAudioFileH_t h;
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unsigned chCnt;
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unsigned curChCnt;
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unsigned procSmpCnt;
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char* fn;
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cmSample_t* bufV;
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} cmAudioFileWr;
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cmAudioFileWr* cmAudioFileWrAlloc( cmCtx* c, cmAudioFileWr* p, unsigned procSmpCnt, const char* fn, double srate, unsigned chCnt, unsigned bitsPerSample );
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cmRC_t cmAudioFileWrFree( cmAudioFileWr** pp );
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cmRC_t cmAudioFileWrInit( cmAudioFileWr* p, unsigned procSmpCnt, const char* fn, double srate, unsigned chCnt, unsigned bitsPerSample );
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cmRC_t cmAudioFileWrFinal( cmAudioFileWr* p );
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cmRC_t cmAudioFileWrExec( cmAudioFileWr* p, unsigned chIdx, const cmSample_t* sp, unsigned sn );
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void cmAudioFileWrTest();
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//------------------------------------------------------------------------------------------------------------
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typedef struct
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{
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cmObj obj;
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unsigned rn;
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unsigned cn;
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cmSample_t *bufPtr;
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} cmMatrixBuf;
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/// Set p to NULL to dynamically allocate the object
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cmMatrixBuf* cmMatrixBufAllocFile(cmCtx* c, cmMatrixBuf* p, const char* fn );
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cmMatrixBuf* cmMatrixBufAllocCopy(cmCtx* c, cmMatrixBuf* p, unsigned rn, unsigned cn, const cmSample_t* sp );
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cmMatrixBuf* cmMatrixBufAlloc( cmCtx* c, cmMatrixBuf* p, unsigned rn, unsigned cn );
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cmRC_t cmMatrixBufFree( cmMatrixBuf**p );
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cmRC_t cmMatrixBufInitFile( cmMatrixBuf* p, const char* fn );
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cmRC_t cmMatrixBufInitCopy( cmMatrixBuf* p, unsigned rn, unsigned cn, const cmSample_t* sp );
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cmRC_t cmMatrixBufInit( cmMatrixBuf* p, unsigned rn, unsigned cn );
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cmRC_t cmMatrixBufFinal( cmMatrixBuf* p );
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cmSample_t* cmMatrixBufColPtr( cmMatrixBuf* p, unsigned ci );
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cmSample_t* cmMatrixBufRowPtr( cmMatrixBuf* p, unsigned ri );
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void cmMatrixBufTest();
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//------------------------------------------------------------------------------------------------------------
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enum
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{
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kInvalidWfId,
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kSineWfId,
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kCosWfId,
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kSquareWfId,
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kTriangleWfId,
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kSawtoothWfId,
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kWhiteWfId,
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kPinkWfId,
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kPulseWfId,
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kImpulseWfId,
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kSilenceWfId,
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kPhasorWfId,
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kSeqWfId, // always incrementing integer sequence (srate,frq,otCnt is ignored)
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};
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typedef struct
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{
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cmObj obj;
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unsigned wfId;
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unsigned overToneCnt;
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double fundFrqHz;
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cmSample_t* outV;
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unsigned outN; // outN == procSmpCnt
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unsigned phase;
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cmSample_t delaySmp;
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double srate;
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} cmSigGen;
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/// Set p to NULL to dynamically allocate the object
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/// The last three arguments are optional. Set wfId to kInvalidWfId to allocate the signal generator without initializint it.
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cmSigGen* cmSigGenAlloc( cmCtx* c, cmSigGen* p, unsigned procSmpCnt, double srate, unsigned wfId, double fundFrqHz, unsigned overToneCnt );
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cmRC_t cmSigGenFree( cmSigGen** p );
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cmRC_t cmSigGenInit( cmSigGen* p, unsigned procSmpCnt, double srate, unsigned wfId, double fundFrqHz, unsigned overToneCnt );
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cmRC_t cmSigGenFinal( cmSigGen* p );
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cmRC_t cmSigGenExec( cmSigGen* p );
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//------------------------------------------------------------------------------------------------------------
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typedef struct
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{
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cmObj* obj;
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cmSample_t* bufPtr;
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unsigned bufSmpCnt; // count of samples in the delay line (bufSmpCnt = procSmpCnt+delaySmpCnt)
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unsigned procSmpCnt; // maximum legal samples to receive in a single call to cmDelayExec()
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unsigned delaySmpCnt; // delay time in samples
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int delayInIdx; // index into bufPtr[] of next element to receive an incoming sample
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unsigned outCnt; // count of valid buffers in outV[]
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cmSample_t* outV[2]; // pointers to output buffers
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unsigned outN[2]; // length of output buffers (the sum of the length of both output buffers is always procSmpCnt)
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} cmDelay;
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cmDelay* cmDelayAlloc( cmCtx* c, cmDelay* p, unsigned procSmpCnt, unsigned delaySmpCnt );
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cmRC_t cmDelayFree( cmDelay** p );
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cmRC_t cmDelayInit( cmDelay* p, unsigned procSmpCnt, unsigned delaySmpCnt );
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cmRC_t cmDelayFinal( cmDelay* p );
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cmRC_t cmDelayCopyIn( cmDelay* p, const cmSample_t* sp, unsigned sn );
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cmRC_t cmDelayAdvance( cmDelay* p, unsigned sn );
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cmRC_t cmDelayExec( cmDelay* p, const cmSample_t* sp, unsigned sn, bool bypassFl );
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void cmDelayTest();
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//------------------------------------------------------------------------------------------------------------
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typedef struct
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{
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cmObj obj;
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double* coeffV; // FIR coefficient vector (impulse response)
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unsigned coeffCnt; // count of elements in coeffV
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double* delayV; // delay vector contains one less elements than the coeff array
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cmSample_t* outV; // output signal
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unsigned outN; // length of the output signal (outN == ctx.procSmpCnt)
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unsigned delayIdx; // current next sample to receive input in the the delay line
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} cmFIR;
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enum { kHighPassFIRFl = 0x01 };
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// Note that the relative values of passHz and stopHz do not matter
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// for low-pass vs high-pass filters. In practice passHz and
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// stopHz can be swapped with no effect on the filter in either
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// case. Set p to NULL to dynamically allocate the object.
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cmFIR* cmFIRAllocKaiser(cmCtx* c, cmFIR* p, unsigned procSmpCnt, double srate, double passHz, double stopHz, double passDb, double stopDb, unsigned flags );
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// Set wndV[sincSmpCnt] to NULL to use a unity window otherwise set it to a window
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// function of length sincSmpCnt.
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cmFIR* cmFIRAllocSinc( cmCtx* c, cmFIR* p, unsigned procSmpCnt, double srate, unsigned sincSmpCnt, double fcHz, unsigned flags, const double* wndV );
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cmRC_t cmFIRFree( cmFIR** pp );
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cmRC_t cmFIRInitKaiser( cmFIR* p, unsigned procSmpCnt, double srate, double passHz, double stopHz, double passDb, double stopDb, unsigned flags );
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cmRC_t cmFIRInitSinc( cmFIR* p, unsigned procSmpCnt, double srate, unsigned sincSmpCnt, double fcHz, unsigned flags, const double* wndV );
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cmRC_t cmFIRFinal( cmFIR* p );
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cmRC_t cmFIRExec( cmFIR* p, const cmSample_t* sp, unsigned sn );
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void cmFIRTest0( cmRpt_t* rpt, cmLHeapH_t lhH, cmSymTblH_t stH );
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void cmFIRTest1( cmCtx* ctx );
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//------------------------------------------------------------------------------------------------------------
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// Apply a generic function to a windowed signal with a one sample hop size.
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typedef cmSample_t (*cmFuncFiltPtr_t)( const cmSample_t* sp, unsigned sn, void* userPtr );
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typedef struct
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{
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cmObj obj;
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cmFuncFiltPtr_t funcPtr;
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cmShiftBuf shiftBuf;
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cmSample_t* outV;
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unsigned outN; // outN == procSmpCnt
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unsigned curWndSmpCnt;
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unsigned wndSmpCnt;
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void* userPtr;
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} cmFuncFilter;
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/// Set p to NULL to dynamically allocate the object.
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cmFuncFilter* cmFuncFilterAlloc( cmCtx* c, cmFuncFilter* p, unsigned procSmpCnt, cmFuncFiltPtr_t funcPtr, void* userPtr, unsigned wndSmpCnt );
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cmRC_t cmFuncFilterFree( cmFuncFilter** pp );
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cmRC_t cmFuncFilterInit( cmFuncFilter* p, unsigned procSmpCnt, cmFuncFiltPtr_t funcPtr, void* userPtr, unsigned wndSmpCnt );
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cmRC_t cmFuncFilterFinal( cmFuncFilter* p );
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cmRC_t cmFuncFilterExec( cmFuncFilter* p, const cmSample_t* sp, unsigned sn );
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void cmFuncFilterTest();
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//------------------------------------------------------------------------------------------------------------
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typedef struct
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{
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cmObj obj;
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unsigned stateN; // count of states
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unsigned symN; // count of discrete observation symbols
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cmReal_t* initV; // initial state probability vector init[ stateN ]
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cmReal_t* transM; // transition probability matrix trans[ stateN (current), stateN (next) ]
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cmReal_t* stsM; // state to symbol prob. matrix stsM[ stateN, symN ]
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} cmDhmm;
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cmDhmm* cmDhmmAlloc( cmCtx* c, cmDhmm* p, unsigned stateN, unsigned symN, cmReal_t* initV, cmReal_t* transM, cmReal_t* stsM );
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cmRC_t cmDhmmFree( cmDhmm** pp );
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cmRC_t cmDhmmInit( cmDhmm* p, unsigned stateN, unsigned symN, cmReal_t* initV, cmReal_t* transM, cmReal_t* stsM );
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cmRC_t cmDhmmFinal( cmDhmm* p );
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cmRC_t cmDhmmExec( cmDhmm* p );
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cmRC_t cmDhmmGenObsSequence( cmDhmm* p, unsigned* dbp, unsigned dn );
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cmRC_t cmDhmmForwardEval( cmDhmm* p, const cmReal_t* statePrV, const unsigned* obsV, unsigned obsN, cmReal_t* alphaM, unsigned flags, cmReal_t* logProbPtr );
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cmRC_t cmDhmmReport( cmDhmm* p );
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void cmDhmmTest();
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//------------------------------------------------------------------------------------------------------------
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typedef struct
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{
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cmObj obj;
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cmFftSR* fft;
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cmIFftRS* ifft;
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cmComplexR_t* H;
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unsigned hn;
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cmSample_t* olaV; // olaV[hn-1];
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cmSample_t* outV; // outV[procSmpCnt]
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unsigned outN; // outN == procSmpCnt
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} cmConvolve;
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// After cmConvolveExec() outV[outN] contains the first outN samples
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// which are complete and can be used by the application.
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// The tail of the convolution is held in olaV[hn-1] and will
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// be automatically summed with the beginning of the next convolution
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// frame.
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// BUG BUG BUG
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// This code seems to have a problem when hn != procSmpCnt (or maybe hn > procSmpCnt ???).
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// See mas/main.c convolve() where procSmpCnt must be set to wndSmpCnt size or
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// only the first half of the window is emitted.
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// h[hn] is the impulse response to convolve with
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cmConvolve* cmConvolveAlloc( cmCtx* c, cmConvolve* p, const cmSample_t* h, unsigned hn, unsigned procSmpCnt );
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cmRC_t cmConvolveFree( cmConvolve** pp );
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cmRC_t cmConvolveInit( cmConvolve* p, const cmSample_t* h, unsigned hn, unsigned procSmpCnt );
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cmRC_t cmConvolveFinal( cmConvolve* p );
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// xn must be <= procSmpCnt
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cmRC_t cmConvolveExec( cmConvolve* p, const cmSample_t* x, unsigned xn );
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cmRC_t cmConvolveSignal( cmCtx* c, const cmSample_t* h, unsigned hn, const cmSample_t* x, unsigned xn, cmSample_t* y, unsigned yn );
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cmRC_t cmConvolveTest( cmRpt_t* rpt, cmLHeapH_t lhH, cmSymTblH_t stH );
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//------------------------------------------------------------------------------------------------------------
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typedef struct
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{
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cmObj obj;
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cmReal_t* dctMtx; // dctMtx[ binCnt, bandCnt ]
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cmReal_t* filtMask; // filtMask[ bandCnt, bandCnt ]
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unsigned binCnt; // bin cnt of input magnitude spectrum
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unsigned bandCnt; // must be <= kDefaultBarkBandCnt
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cmReal_t* outV; // outV[binCnt]
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} cmBfcc;
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cmBfcc* cmBfccAlloc( cmCtx* ctx, cmBfcc* p, unsigned bandCnt, unsigned binCnt, double binHz );
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cmRC_t cmBfccFree( cmBfcc** pp );
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cmRC_t cmBfccInit( cmBfcc* p, unsigned bandCnt, unsigned binCnt, double binHz );
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cmRC_t cmBfccFinal( cmBfcc* p );
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cmRC_t cmBfccExec( cmBfcc* p, const cmReal_t* magV, unsigned binCnt );
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void cmBfccTest( cmRpt_t* rpt, cmLHeapH_t lhH, cmSymTblH_t stH );
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//------------------------------------------------------------------------------------------------------------
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typedef struct
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{
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cmObj obj;
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//cmIFftRR ft;
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unsigned dct_cn; // (binCnt-1)*2
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cmReal_t* dctM; // dctM[ outN, dct_cn ]
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unsigned binCnt; // bin cnt of input magnitude spectrum
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unsigned outN; // count of cepstral coeff's
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cmReal_t* outV; // outV[outN]
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} cmCeps;
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// outN is the number of cepstral coeff's in the output vector
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cmCeps* cmCepsAlloc( cmCtx* ctx, cmCeps* p, unsigned binCnt, unsigned outN );
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cmRC_t cmCepsFree( cmCeps** pp );
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cmRC_t cmCepsInit( cmCeps* p, unsigned binCnt, unsigned outN );
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cmRC_t cmCepsFinal( cmCeps* p );
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cmRC_t cmCepsExec( cmCeps* p, const cmReal_t* magV, const cmReal_t* phsV, unsigned binCnt );
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//------------------------------------------------------------------------------------------------------------
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typedef struct
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{
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cmObj obj;
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cmWndFunc wf;
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unsigned wndSmpCnt;
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unsigned hopSmpCnt;
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unsigned procSmpCnt;
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cmSample_t* bufV; // bufV[wndSmpCnt] overlap add buffer
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cmSample_t* outV; // outV[hopSmpCnt] output vector
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cmSample_t* outPtr; // outPtr[procSmpCnt] output vector
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unsigned idx; // idx of next val in bufV[] to be moved to outV[]
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} cmOla;
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// hopSmpCnt must be <= wndSmpCnt.
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// hopSmpCnt must be an even multiple of procSmpCnt.
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// Call cmOlaExecR() or cmOlaExecS() at the spectral frame rate.
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// Call cmOlaExecOut() at the time domain audio frame rate.
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// Set wndTypeId to one of the cmWndFuncXXX enumerated widnow type id's.
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cmOla* cmOlaAlloc( cmCtx* ctx, cmOla* p, unsigned wndSmpCnt, unsigned hopSmpCnt, unsigned procSmpCnt, unsigned wndTypeId );
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cmRC_t cmOlaFree( cmOla** pp );
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cmRC_t cmOlaInit( cmOla* p, unsigned wndSmpCnt, unsigned hopSmpCnt, unsigned procSmpCnt, unsigned wndTypeId );
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cmRC_t cmOlaFinal( cmOla* p );
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cmRC_t cmOlaExecS( cmOla* p, const cmSample_t* xV, unsigned xN );
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cmRC_t cmOlaExecR( cmOla* p, const cmReal_t* xV, unsigned xN );
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const cmSample_t* cmOlaExecOut(cmOla* p );
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//------------------------------------------------------------------------------------------------------------
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typedef struct
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{
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cmObj obj;
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cmReal_t* hzV; // hzV[binCnt] output vector - frequency in Hertz
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cmReal_t* phsV; // phsV[binCnt]
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cmReal_t* wV; // bin freq in rads/hop
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double srate;
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unsigned hopSmpCnt;
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unsigned binCnt;
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} cmPhsToFrq;
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cmPhsToFrq* cmPhsToFrqAlloc( cmCtx* c, cmPhsToFrq* p, double srate, unsigned binCnt, unsigned hopSmpCnt );
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cmRC_t cmPhsToFrqFree( cmPhsToFrq** p );
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cmRC_t cmPhsToFrqInit( cmPhsToFrq* p, double srate, unsigned binCnt, unsigned hopSmpCnt );
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cmRC_t cmPhsToFrqFinal(cmPhsToFrq* p );
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cmRC_t cmPhsToFrqExec( cmPhsToFrq* p, const cmReal_t* phsV );
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//------------------------------------------------------------------------------------------------------------
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enum
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{
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kNoCalcHzPvaFl = 0x00,
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kCalcHzPvaFl = 0x01
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};
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typedef struct
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{
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cmObj obj;
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cmShiftBuf sb;
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cmFftSR ft;
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cmWndFunc wf;
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cmPhsToFrq pf;
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unsigned flags;
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unsigned procSmpCnt;
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double srate;
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unsigned wndSmpCnt;
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unsigned hopSmpCnt;
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unsigned binCnt;
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const cmReal_t* magV; // amplitude NOT power
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const cmReal_t* phsV;
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const cmReal_t* hzV;
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} cmPvAnl;
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cmPvAnl* cmPvAnlAlloc( cmCtx* ctx, cmPvAnl* p, unsigned procSmpCnt, double srate, unsigned wndSmpCnt, unsigned hopSmpCnt, unsigned flags );
|
|
cmRC_t cmPvAnlFree( cmPvAnl** pp );
|
|
cmRC_t cmPvAnlInit( cmPvAnl* p, unsigned procSmpCnt, double srate, unsigned wndSmpCnt, unsigned hopSmpCnt, unsigned flags );
|
|
cmRC_t cmPvAnlFinal(cmPvAnl* p );
|
|
|
|
// Returns true when a new spectrum has been computed
|
|
bool cmPvAnlExec( cmPvAnl* p, const cmSample_t* x, unsigned xN );
|
|
|
|
//------------------------------------------------------------------------------------------------------------
|
|
|
|
typedef struct
|
|
{
|
|
cmObj obj;
|
|
cmIFftRS ft;
|
|
cmWndFunc wf;
|
|
cmOla ola;
|
|
|
|
cmReal_t* minRphV;
|
|
cmReal_t* maxRphV;
|
|
cmReal_t* itrV;
|
|
cmReal_t* phs0V;
|
|
cmReal_t* mag0V;
|
|
cmReal_t* phsV;
|
|
cmReal_t* magV;
|
|
|
|
double outSrate;
|
|
unsigned procSmpCnt;
|
|
unsigned wndSmpCnt;
|
|
unsigned hopSmpCnt;
|
|
unsigned binCnt;
|
|
|
|
} cmPvSyn;
|
|
|
|
cmPvSyn* cmPvSynAlloc( cmCtx* ctx, cmPvSyn* p, unsigned procSmpCnt, double outSrate, unsigned wndSmpCnt, unsigned hopSmpCnt,unsigned wndTypeId );
|
|
cmRC_t cmPvSynFree( cmPvSyn** pp );
|
|
cmRC_t cmPvSynInit( cmPvSyn* p, unsigned procSmpCnt, double outSrate, unsigned wndSmpCnt, unsigned hopSmpCnt,unsigned wndTypeId );
|
|
cmRC_t cmPvSynFinal(cmPvSyn* p );
|
|
cmRC_t cmPvSynExec( cmPvSyn* p, const cmReal_t* magV, const cmReal_t* phsV );
|
|
const cmSample_t* cmPvSynExecOut(cmPvSyn* p );
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------------------------------------
|
|
|
|
|
|
// callback selector values
|
|
enum
|
|
{
|
|
kAttackMsId,
|
|
kReleaseMsId,
|
|
kDspMsId // return 0 if the voice is no longer active
|
|
};
|
|
|
|
// voice flags
|
|
enum
|
|
{
|
|
kActiveMsFl = 0x01, // set if the voice is active
|
|
kKeyGateMsFl = 0x02, // set if the key is down for this note
|
|
};
|
|
|
|
struct cmMidiSynth_str;
|
|
struct cmMidiSynthCh_str;
|
|
struct cmMidiVoice_str;
|
|
|
|
|
|
// voice update callback - use voicePtr->pgm.cbDataPtr to get voice specific data
|
|
typedef int (*cmMidiSynthCb_t)( struct cmMidiVoice_str* voicePtr, unsigned sel, cmSample_t* outChArray[], unsigned outChCnt );
|
|
|
|
|
|
typedef struct
|
|
{
|
|
cmMidiByte_t pgm; // MIDI pgm number
|
|
cmMidiSynthCb_t cbPtr; // voice update callback
|
|
void* cbDataPtr; // user data pointer
|
|
} cmMidiSynthPgm;
|
|
|
|
|
|
typedef struct cmMidiVoice_str
|
|
{
|
|
unsigned index; // voice index
|
|
unsigned flags; // see kXXXMsFl above
|
|
cmMidiByte_t pitch; // note-on pitch
|
|
cmMidiByte_t velocity; // note-on/off veloctiy
|
|
cmMidiSynthPgm pgm; // pgm associated with this voice
|
|
struct cmMidiSynthCh_str* chPtr; // pointer to owning ch
|
|
struct cmMidiVoice_str* link; // link to next active/avail voice in chain
|
|
} cmMidiVoice;
|
|
|
|
typedef struct cmMidiSynthCh_str
|
|
{
|
|
cmMidiByte_t midiCtl[ kMidiCtlCnt ]; // current ctl values
|
|
short pitchBend; // current pitch bend value
|
|
cmMidiByte_t pgm; // last pgm received
|
|
cmMidiVoice* active; // first active voice on this channel
|
|
struct cmMidiSynth_str* synthPtr; // owning synth
|
|
} cmMidiSynthCh;
|
|
|
|
typedef struct cmMidiSynth_str
|
|
{
|
|
cmObj obj;
|
|
cmMidiSynthCh chArray[ kMidiChCnt ]; // midi channel array
|
|
unsigned voiceCnt; // count of voice records
|
|
cmMidiVoice* avail; // avail voice chain
|
|
unsigned activeVoiceCnt; // current count of active voices
|
|
unsigned voiceStealCnt; // count of times voice stealing was required
|
|
cmMidiVoice* voiceArray; // array of voice records
|
|
cmMidiSynthPgm pgmArray[ kMidiPgmCnt ]; // array of pgm records
|
|
unsigned procSmpCnt; // samples per DSP cycle
|
|
unsigned outChCnt; // count of output channels
|
|
cmSample_t* outM; // outM[ procSmpCnt, outChCnt ] output buffer
|
|
cmSample_t** outChArray; // buffer of pointers to each output channel
|
|
cmReal_t srate; // output signal sample rate
|
|
} cmMidiSynth;
|
|
|
|
cmMidiSynth* cmMidiSynthAlloc( cmCtx* ctx, cmMidiSynth* p, const cmMidiSynthPgm* pgmArray, unsigned pgmCnt, unsigned voiceCnt, unsigned procSmpCnt, unsigned outChCnt, cmReal_t srate );
|
|
cmRC_t cmMidiSynthFree( cmMidiSynth** pp );
|
|
cmRC_t cmMidiSynthInit( cmMidiSynth* p, const cmMidiSynthPgm* pgmArray, unsigned pgmCnt, unsigned voiceCnt, unsigned procSmpCnt, unsigned outChCnt, cmReal_t srate );
|
|
cmRC_t cmMidiSynthFinal( cmMidiSynth* p );
|
|
cmRC_t cmMidiSynthOnMidi(cmMidiSynth* p, const cmMidiPacket_t* pktArray, unsigned pktCnt );
|
|
cmRC_t cmMidiSynthExec( cmMidiSynth* p, cmSample_t** outChArray, unsigned outChCnt );
|
|
|
|
|
|
//------------------------------------------------------------------------------------------------------------
|
|
|
|
// state id's
|
|
enum
|
|
{
|
|
kOffWtId,
|
|
kAtkWtId,
|
|
kDcyWtId,
|
|
kSusWtId,
|
|
kRlsWtId
|
|
};
|
|
|
|
typedef struct
|
|
{
|
|
cmObj obj;
|
|
cmReal_t hz; // current frq in Hz
|
|
cmReal_t level; // current gain (0.0 to 1.0)
|
|
cmReal_t phase; // osc phase (radians)
|
|
unsigned durSmpCnt; // count of samples generated so far
|
|
unsigned state; // osc state - see kXXXWtId above
|
|
cmSample_t* outV; // signal output vector
|
|
unsigned outN; // samples in outV[]
|
|
} cmWtVoice;
|
|
|
|
cmWtVoice* cmWtVoiceAlloc( cmCtx* ctx, cmWtVoice* p, unsigned procSmpCnt, cmReal_t hz );
|
|
cmRC_t cmWtVoiceFree( cmWtVoice** pp );
|
|
cmRC_t cmWtVoiceInit( cmWtVoice* p, unsigned procSmpCnt, cmReal_t hz );
|
|
cmRC_t cmWtVoiceFinal( cmWtVoice* p );
|
|
|
|
// 'sel' values are cmMidiSynthExec (kXXXMsId) values
|
|
// Set outChArray[] to NULL to use internal audio buffer.
|
|
int cmWtVoiceExec( cmWtVoice* p, struct cmMidiVoice_str* voicePtr, unsigned sel, cmSample_t* outChArray[], unsigned outChCnt );
|
|
|
|
|
|
//------------------------------------------------------------------------------------------------------------
|
|
|
|
typedef struct
|
|
{
|
|
cmObj obj;
|
|
|
|
cmWtVoice** voiceArray; // osc state array
|
|
unsigned voiceCnt;
|
|
|
|
cmSample_t* buf;
|
|
cmSample_t** chArray;
|
|
unsigned chCnt;
|
|
unsigned procSmpCnt; // count of samples in each chArray[i] sample vector
|
|
|
|
double srate; // synth sample rate
|
|
|
|
} cmWtVoiceBank;
|
|
|
|
cmWtVoiceBank* cmWtVoiceBankAlloc( cmCtx* ctx, cmWtVoiceBank* p, double srate, unsigned procSmpCnt, unsigned voiceCnt, unsigned chCnt );
|
|
cmRC_t cmWtVoiceBankFree( cmWtVoiceBank** pp );
|
|
cmRC_t cmWtVoiceBankInit( cmWtVoiceBank* p, double srate, unsigned procSmpCnt, unsigned voiceCnt, unsigned chCnt );
|
|
cmRC_t cmWtVoiceBankFinal( cmWtVoiceBank* p );
|
|
|
|
// 'sel' values are cmMidiSynthExec (kXXXMsId) values
|
|
// Set outChArray[] to NULL to use internal audio buffer.
|
|
// Return 0 if the voice has gone inactive otherwise return 1.
|
|
int cmWtVoiceBankExec( cmWtVoiceBank* p, struct cmMidiVoice_str* voicePtr, unsigned sel, cmSample_t* chArray[], unsigned chCnt );
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------------------------------------
|
|
|
|
typedef struct
|
|
{
|
|
cmObj obj;
|
|
cmSample_t* bufV; // bufV[ bufN ]
|
|
unsigned bufN;
|
|
cmAudioFileInfo_t info;
|
|
unsigned begSmpIdx;
|
|
unsigned chIdx;
|
|
char* fn;
|
|
} cmAudioFileBuf;
|
|
|
|
// set 'durSmpCnt' to cmInvalidCnt to include all samples to the end of the file
|
|
cmAudioFileBuf* cmAudioFileBufAlloc( cmCtx* ctx, cmAudioFileBuf* p, unsigned procSmpCnt, const char* fn, unsigned chIdx, unsigned begSmpIdx, unsigned durSmpCnt );
|
|
cmRC_t cmAudioFileBufFree( cmAudioFileBuf** pp );
|
|
cmRC_t cmAudioFileBufInit( cmAudioFileBuf* p, unsigned procSmpCnt, const char* fn, unsigned chIdx, unsigned begSmpIdx, unsigned durSmpCnt );
|
|
cmRC_t cmAudioFileBufFinal(cmAudioFileBuf* p );
|
|
|
|
// Returns the count of samples copied into outV or 0 if smpIdx >= p->bufN.
|
|
// If less than outN samples are available then the remaining samples are set to 0.
|
|
unsigned cmAudioFileBufExec( cmAudioFileBuf* p, unsigned smpIdx, cmSample_t* outV, unsigned outN, bool sumIntoOutFl );
|
|
|
|
|
|
//------------------------------------------------------------------------------------------------------------
|
|
// Multi-delay. Each of the taps of this delay operates as a independent delay with feedback.
|
|
|
|
// Delay line specification.
|
|
typedef struct
|
|
{
|
|
cmReal_t delayGain; // delay gain
|
|
cmReal_t delayMs; // delay time in milliseconds
|
|
cmReal_t delaySmpFrac; // delay time in samples (next fractional delay index = inIdx - delaySmpFrac)
|
|
cmSample_t* delayBuf; // delayBuf[delayBufSmpCnt] delay line memory
|
|
int delayBufSmpCnt; // delay buffer length in samples
|
|
int inIdx; // next delay input index
|
|
} cmMDelayHead;
|
|
|
|
typedef struct
|
|
{
|
|
cmObj obj;
|
|
unsigned delayCnt; // count of taps
|
|
cmMDelayHead* delayArray; // tap specs
|
|
cmSample_t* outV; // outV[outN] output buffer
|
|
unsigned outN; // procSmpCnt
|
|
cmReal_t fbCoeff; // feedback coeff.
|
|
cmReal_t srate; // system sample rate
|
|
} cmMDelay;
|
|
|
|
|
|
cmMDelay* cmMDelayAlloc( cmCtx* ctx, cmMDelay* p, unsigned procSmpCnt, cmReal_t srate, cmReal_t fbCoeff, unsigned delayCnt, const cmReal_t* delayMsArray, const cmReal_t* delayGainArray );
|
|
cmRC_t cmMDelayFree( cmMDelay** pp );
|
|
cmRC_t cmMDelayInit( cmMDelay* p, unsigned procSmpCnt, cmReal_t srate, cmReal_t fbCoeff, unsigned delayCnt, const cmReal_t* delayMsArray, const cmReal_t* delayGainArray );
|
|
cmRC_t cmMDelayFinal( cmMDelay* p );
|
|
cmRC_t cmMDelayExec( cmMDelay* p, const cmSample_t* sigV, cmSample_t* outV, unsigned sigN, bool bypassFl );
|
|
void cmMDelaySetTapMs( cmMDelay* p, unsigned tapIdx, cmReal_t ms );
|
|
void cmMDelaySetTapGain(cmMDelay* p, unsigned tapIdx, cmReal_t gain );
|
|
void cmMDelayReport( cmMDelay* p, cmRpt_t* rpt );
|
|
|
|
//------------------------------------------------------------------------------------------------------------
|
|
enum
|
|
{
|
|
kEnableAspFl = 0x01,
|
|
kDelAspFl = 0x02
|
|
};
|
|
|
|
|
|
typedef struct cmAudioSeg_str
|
|
{
|
|
cmAudioFileBuf* bufPtr; // pointer to the audio file buffer this segment is contained in
|
|
unsigned id; // id (unique amoung segments)
|
|
unsigned smpIdx; // offset into audioBuf[] of first sample
|
|
unsigned smpCnt; // total count of samples to play
|
|
unsigned outChIdx; // output buffer channel
|
|
unsigned outSmpIdx; // outSmpIdx + smpIdx == next sample to play
|
|
unsigned flags; // see kXXXAspFl
|
|
} cmAudioSeg;
|
|
|
|
typedef struct
|
|
{
|
|
cmObj obj;
|
|
unsigned segCnt;
|
|
cmAudioSeg* segArray;
|
|
unsigned procSmpCnt;
|
|
cmSample_t** outChArray;
|
|
unsigned outChCnt;
|
|
cmSample_t* outM;
|
|
} cmAudioSegPlayer;
|
|
|
|
cmAudioSegPlayer* cmAudioSegPlayerAlloc( cmCtx* ctx, cmAudioSegPlayer* p, unsigned procSmpCnt, unsigned outChCnt );
|
|
cmRC_t cmAudioSegPlayerFree( cmAudioSegPlayer** pp );
|
|
cmRC_t cmAudioSegPlayerInit( cmAudioSegPlayer* p, unsigned procSmpCnt, unsigned outChCnt );
|
|
cmRC_t cmAudioSegPlayerFinal( cmAudioSegPlayer* p );
|
|
cmRC_t cmAudioSegPlayerInsert( cmAudioSegPlayer* p, unsigned id, cmAudioFileBuf* bufPtr, unsigned smpIdx, unsigned smpCnt, unsigned outChIdx );
|
|
cmRC_t cmAudioSegPlayerEdit( cmAudioSegPlayer* p, unsigned id, cmAudioFileBuf* bufPtr, unsigned smpIdx, unsigned smpCnt, unsigned outChIdx );
|
|
cmRC_t cmAudioSegPlayerRemove( cmAudioSegPlayer* p, unsigned id, bool delFl );
|
|
cmRC_t cmAudioSegPlayerEnable( cmAudioSegPlayer* p, unsigned id, bool enableFl, unsigned outSmpIdx );
|
|
cmRC_t cmAudioSegPlayerReset( cmAudioSegPlayer* p );
|
|
cmRC_t cmAudioSegPlayerExec( cmAudioSegPlayer* p, cmSample_t** outChPtr, unsigned chCnt, unsigned outSmpCnt );
|
|
|
|
|
|
//------------------------------------------------------------------------------------------------------------
|
|
/*
|
|
cmReal_t (*cmCluster0DistFunc_t)( void* userPtr, const cmReal_t* v0, const cmReal_t* v1, unsigned binCnt );
|
|
|
|
typedef struct
|
|
{
|
|
cmObj obj;
|
|
unsigned flags;
|
|
unsigned stateCnt;
|
|
unsigned binCnt;
|
|
cmReal_t* oM; // oM[ binCnt, stateCnt ]
|
|
unsigned* tM; // tM[ stateCnt, stateCnt ]
|
|
cmReal_t* dV; // dV[ state
|
|
cmCluster0DistFunc_t distFunc;
|
|
void* distUserPtr;
|
|
unsigned cnt;
|
|
} cmCluster0;
|
|
|
|
enum
|
|
{
|
|
kCalcTransFl = 0x01,
|
|
kCalcDurFl = 0x02
|
|
};
|
|
|
|
cmCluster0* cmCluster0Alloc( cmCtx* ctx, cmCluster0* ap, unsigned stateCnt, unsigned binCnt, unsigned flags, cmCluster0DistFunc_t distFunc, void* dstUserPtr );
|
|
cmRC_t cmCluster0Free( cmCluster0** pp );
|
|
cmRC_t cmCluster0Init( cmCluster0* p, unsigned stateCnt, unsigned binCnt, unsigned flags, cmCluster0DistFunc_t distFunc, void* dstUserPtr );
|
|
cmRC_t cmCluster0Final( cmCluster0* p );
|
|
cmRC_t cmCluster0Exec( cmCluster0* p, const cmReal_t* v, unsigned vn );
|
|
*/
|
|
|
|
//------------------------------------------------------------------------------------------------------------
|
|
typedef struct
|
|
{
|
|
cmObj obj;
|
|
|
|
unsigned n;
|
|
unsigned m;
|
|
unsigned r;
|
|
unsigned maxIterCnt;
|
|
unsigned convergeCnt;
|
|
|
|
cmReal_t* V; // V[n,m]
|
|
cmReal_t* W; // W[n,r]
|
|
cmReal_t* H; // H[r,m]
|
|
|
|
cmReal_t* tr;
|
|
cmReal_t* x;
|
|
cmReal_t* t0nm;
|
|
cmReal_t* t1nm;
|
|
cmReal_t* Wt;
|
|
cmReal_t* Ht;
|
|
cmReal_t* trm;
|
|
unsigned* crm;
|
|
cmReal_t* tnr;
|
|
unsigned* c0;
|
|
unsigned* c1;
|
|
unsigned* c0m;
|
|
unsigned* c1m;
|
|
unsigned* idxV;
|
|
|
|
} cmNmf_t;
|
|
|
|
|
|
cmNmf_t* cmNmfAlloc( cmCtx* ctx, cmNmf_t* ap, unsigned n, unsigned m, unsigned r, unsigned maxIterCnt, unsigned convergeCnt );
|
|
cmRC_t cmNmfFree( cmNmf_t** pp );
|
|
cmRC_t cmNmfInit( cmNmf_t* p, unsigned n, unsigned m, unsigned r, unsigned maxIterCnt, unsigned convergeCnt );
|
|
cmRC_t cmNmfFinal(cmNmf_t* p );
|
|
|
|
//
|
|
cmRC_t cmNmfExec( cmNmf_t* p, const cmReal_t* v, unsigned cn );
|
|
|
|
|
|
//------------------------------------------------------------------------------------------------------------
|
|
// cmVectArray buffers row vectors of arbitrary length in memory.
|
|
// The buffers may then be access using the cmVectArrayGetXXX() functions.
|
|
// The entire contents of the file may be written to a file using atVectArrayWrite().
|
|
// The file may then be read in back into memory using cmVectArrayAllocFromFile()
|
|
// or in octave via readVectArray.m.
|
|
// A rectantular matrix in memory may be written to a VectArray file in one operation
|
|
// via the function cmVectArrayWriteMatrixXXX().
|
|
|
|
typedef struct cmVectArrayVect_str
|
|
{
|
|
unsigned n; // length of this vector in values (not bytes)
|
|
|
|
union
|
|
{
|
|
char* v; // raw memory vector pointer
|
|
double* dV; // dV[n] vector of doubles
|
|
float* fV; // fV[n] vecotr of floats
|
|
cmSample_t* sV; // sV[n] vector of cmSample_t
|
|
int* iV;
|
|
unsigned* uV;
|
|
} u;
|
|
|
|
struct cmVectArrayVect_str* link; // link to next element record
|
|
|
|
} cmVectArrayVect_t;
|
|
|
|
enum
|
|
{
|
|
kDoubleVaFl = 0x01,
|
|
kRealVaFl = 0x01,
|
|
kFloatVaFl = 0x02,
|
|
kSampleVaFl = 0x02,
|
|
kIntVaFl = 0x04,
|
|
kUIntVaFl = 0x08,
|
|
kVaMask = 0x0f
|
|
};
|
|
|
|
typedef struct
|
|
{
|
|
cmObj obj;
|
|
cmVectArrayVect_t* bp; // first list element
|
|
cmVectArrayVect_t* ep; // last list element
|
|
unsigned vectCnt; // count of elements in linked list
|
|
unsigned flags; // data vector type (See: kFloatVaFl, kDoubleVaFl, ... )
|
|
unsigned typeByteCnt; // size of a single data vector value (e.g. 4=float 8=double)
|
|
unsigned maxEleCnt; // length of the longest data vector
|
|
double* tempV;
|
|
cmVectArrayVect_t* cur;
|
|
} cmVectArray_t;
|
|
|
|
// Flags must be set to one of the kXXXVAFl flag values.
|
|
cmVectArray_t* cmVectArrayAlloc( cmCtx* ctx, unsigned flags );
|
|
cmVectArray_t* cmVectArrayAllocFromFile(cmCtx* ctx, const char* fn );
|
|
|
|
cmRC_t cmVectArrayFree( cmVectArray_t** pp );
|
|
|
|
// Release all the stored vectors but do not release the object.
|
|
cmRC_t cmVectArrayClear( cmVectArray_t* p );
|
|
|
|
// Return the count of vectors contained in the vector array.
|
|
cmRC_t cmVectArrayCount( const cmVectArray_t* p );
|
|
|
|
// Return the maximum element count among all rows.
|
|
unsigned cmVectArrayMaxRowCount( const cmVectArray_t* p );
|
|
|
|
// Store a new vector by appending it to the end of the internal vector list.
|
|
// Note:
|
|
// 1. The true type of v[] in the call to cmVectArrayAppendV() must match
|
|
// the data type set in p->flags.
|
|
// 2. The 'vn' argument to atVectArrayAppendV() is an element count not
|
|
// a byte count. The size of each element is determined by the data type
|
|
// as set by atVectArrayAlloc().
|
|
cmRC_t cmVectArrayAppendV( cmVectArray_t* p, const void* v, unsigned vn );
|
|
cmRC_t cmVectArrayAppendS( cmVectArray_t* p, const cmSample_t* v, unsigned vn );
|
|
cmRC_t cmVectArrayAppendR( cmVectArray_t* p, const cmReal_t* v, unsigned vn );
|
|
cmRC_t cmVectArrayAppendF( cmVectArray_t* p, const float* v, unsigned vn );
|
|
cmRC_t cmVectArrayAppendD( cmVectArray_t* p, const double* v, unsigned vn );
|
|
cmRC_t cmVectArrayAppendI( cmVectArray_t* p, const int* v, unsigned vn );
|
|
cmRC_t cmVectArrayAppendU( cmVectArray_t* p, const unsigned* v, unsigned vn );
|
|
|
|
// Write a vector array in a format that can be read by readVectArray.m.
|
|
cmRC_t cmVectArrayWrite( cmVectArray_t* p, const char* fn );
|
|
|
|
// Print the vector array to rpt.
|
|
cmRC_t cmVectArrayPrint( cmVectArray_t* p, cmRpt_t* rpt );
|
|
|
|
typedef cmRC_t (*cmVectArrayForEachFuncS_t)( void* arg, unsigned idx, const cmSample_t* xV, unsigned xN );
|
|
unsigned cmVectArrayForEachS( cmVectArray_t* p, unsigned idx, unsigned cnt, cmVectArrayForEachFuncS_t func, void* arg );
|
|
|
|
// Write the vector v[vn] in the VectArray file format.
|
|
// Note:
|
|
// 1. The true type of v[] in cmVectArrayWriteVectoV() must match the
|
|
// data type set in the 'flags' parameter.
|
|
// 2. The 'vn' argument to atVectArrayWriteVectorV() is an element count not
|
|
// a byte count. The size of each element is determined by the data type
|
|
// as set by atVectArrayAlloc().
|
|
cmRC_t cmVectArrayWriteVectorV( cmCtx* ctx, const char* fn, const void* v, unsigned vn, unsigned flags );
|
|
cmRC_t cmVectArrayWriteVectorS( cmCtx* ctx, const char* fn, const cmSample_t* v, unsigned vn );
|
|
cmRC_t cmVectArrayWriteVectorR( cmCtx* ctx, const char* fn, const cmReal_t* v, unsigned vn );
|
|
cmRC_t cmVectArrayWriteVectorD( cmCtx* ctx, const char* fn, const double* v, unsigned vn );
|
|
cmRC_t cmVectArrayWriteVectorF( cmCtx* ctx, const char* fn, const float* v, unsigned vn );
|
|
cmRC_t cmVectArrayWriteVectorI( cmCtx* ctx, const char* fn, const int* v, unsigned vn );
|
|
cmRC_t cmVectArrayWriteVectorU( cmCtx* ctx, const char* fn, const unsigned* v, unsigned vn );
|
|
|
|
// Write the column-major matrix m[rn,cn] to the file 'fn'.
|
|
// Notes:
|
|
// 1. The true type of m[] in cmVectArrayWriteMatrixV() must match the
|
|
// data type set in the 'flags' parameter.
|
|
// 2. The 'rn','cn' arguments to atVectWriteMatrixV() is are element counts not
|
|
// byte counts. The size of each element is determined by the data type
|
|
// as set by atVectArrayAlloc().
|
|
cmRC_t cmVectArrayWriteMatrixV( cmCtx* ctx, const char* fn, const void* m, unsigned rn, unsigned cn, unsigned flags );
|
|
cmRC_t cmVectArrayWriteMatrixS( cmCtx* ctx, const char* fn, const cmSample_t* m, unsigned rn, unsigned cn );
|
|
cmRC_t cmVectArrayWriteMatrixR( cmCtx* ctx, const char* fn, const cmReal_t* m, unsigned rn, unsigned cn );
|
|
cmRC_t cmVectArrayWriteMatrixD( cmCtx* ctx, const char* fn, const double* m, unsigned rn, unsigned cn );
|
|
cmRC_t cmVectArrayWriteMatrixF( cmCtx* ctx, const char* fn, const float* m, unsigned rn, unsigned cn );
|
|
cmRC_t cmVectArrayWriteMatrixI( cmCtx* ctx, const char* fn, const int* m, unsigned rn, unsigned cn );
|
|
cmRC_t cmVectArrayWriteMatrixU( cmCtx* ctx, const char* fn, const unsigned* m, unsigned rn, unsigned cn );
|
|
|
|
// Read a VectArray file and return it as a matrix.
|
|
// The returned memory must be released with a subsequent call to cmMemFree().
|
|
// Note that the true type of the pointer address 'mRef' in the call to
|
|
// cmVectArrayReadMatrixV() must match the data type of the cmVectArray_t
|
|
// specified by 'fn'.
|
|
cmRC_t cmVectArrayReadMatrixV( cmCtx* ctx, const char* fn, void** mRef, unsigned* rnRef, unsigned* cnRef );
|
|
cmRC_t cmVectArrayReadMatrixS( cmCtx* ctx, const char* fn, cmSample_t** mRef, unsigned* rnRef, unsigned* cnRef );
|
|
cmRC_t cmVectArrayReadMatrixR( cmCtx* ctx, const char* fn, cmReal_t** mRef, unsigned* rnRef, unsigned* cnRef );
|
|
cmRC_t cmVectArrayReadMatrixD( cmCtx* ctx, const char* fn, double** mRef, unsigned* rnRef, unsigned* cnRef );
|
|
cmRC_t cmVectArrayReadMatrixF( cmCtx* ctx, const char* fn, float** mRef, unsigned* rnRef, unsigned* cnRef );
|
|
cmRC_t cmVectArrayReadMatrixI( cmCtx* ctx, const char* fn, int** mRef, unsigned* rnRef, unsigned* cnRef );
|
|
cmRC_t cmVectArrayReadMatrixU( cmCtx* ctx, const char* fn, unsigned** mRef, unsigned* rnRef, unsigned* cnRef );
|
|
|
|
// Row iteration control functions.
|
|
cmRC_t cmVectArrayRewind( cmVectArray_t* p );
|
|
cmRC_t cmVectArrayAdvance( cmVectArray_t* p, unsigned n );
|
|
bool cmVectArrayIsEOL( const cmVectArray_t* p );
|
|
unsigned cmVectArrayEleCount( const cmVectArray_t* p );
|
|
|
|
// Copy the current row vector to v[].
|
|
// Note that the true type of v[] in cmVectArrayGetV() must match the data type of 'p'.
|
|
cmRC_t cmVectArrayGetV( cmVectArray_t* p, void* v, unsigned* vnRef );
|
|
cmRC_t cmVectArrayGetS( cmVectArray_t* p, cmSample_t* v, unsigned* vnRef );
|
|
cmRC_t cmVectArrayGetR( cmVectArray_t* p, cmReal_t* v, unsigned* vnRef );
|
|
cmRC_t cmVectArrayGetD( cmVectArray_t* p, double* v, unsigned* vnRef );
|
|
cmRC_t cmVectArrayGetF( cmVectArray_t* p, float* v, unsigned* vnRef );
|
|
cmRC_t cmVectArrayGetI( cmVectArray_t* p, int* v, unsigned* vnRef );
|
|
cmRC_t cmVectArrayGetU( cmVectArray_t* p, unsigned* v, unsigned* vnRef );
|
|
|
|
// Set *resultFlRef to true if m[rn,cn] is equal to the cmVectArray_t specified by 'fn'.
|
|
// Note that the true type of 'm[]' in the call to cmVectArrayMatrixIsEqualV()
|
|
// must match the data type set in 'flags'.
|
|
cmRC_t cmVectArrayMatrixIsEqualV( cmCtx* ctx, const char* fn, const void* m, unsigned rn, unsigned cn, bool* resultFlRef, unsigned flags );
|
|
cmRC_t cmVectArrayMatrixIsEqualS( cmCtx* ctx, const char* fn, const cmSample_t* m, unsigned rn, unsigned cn, bool* resultFlRef );
|
|
cmRC_t cmVectArrayMatrixIsEqualR( cmCtx* ctx, const char* fn, const cmReal_t* m, unsigned rn, unsigned cn, bool* resultFlRef );
|
|
cmRC_t cmVectArrayMatrixIsEqualD( cmCtx* ctx, const char* fn, const double* m, unsigned rn, unsigned cn, bool* resultFlRef );
|
|
cmRC_t cmVectArrayMatrixIsEqualF( cmCtx* ctx, const char* fn, const float* m, unsigned rn, unsigned cn, bool* resultFlRef );
|
|
cmRC_t cmVectArrayMatrixIsEqualI( cmCtx* ctx, const char* fn, const int* m, unsigned rn, unsigned cn, bool* resultFlRef );
|
|
cmRC_t cmVectArrayMatrixIsEqualU( cmCtx* ctx, const char* fn, const unsigned* m, unsigned rn, unsigned cn, bool* resultFlRef );
|
|
|
|
// If a vector array is composed of repeating blocks of 'groupCnt' sub-vectors
|
|
// where the concatenated ith sub-vectors in each group form a single super-vector then
|
|
// this function will return the super-vector. Use cmMemFree(*vRef) to release
|
|
// the returned super-vector.
|
|
cmRC_t cmVectArrayFormVectR( cmVectArray_t* p, unsigned groupIdx, unsigned groupCnt, cmReal_t** vRef, unsigned* vnRef );
|
|
cmRC_t cmVectArrayFormVectF( cmVectArray_t* p, unsigned groupIdx, unsigned groupCnt, float** vRef, unsigned* vnRef );
|
|
|
|
cmRC_t cmVectArrayFormVectColF( cmVectArray_t* p, unsigned groupIdx, unsigned groupCnt, unsigned colIdx, float** vRef, unsigned* vnRef );
|
|
cmRC_t cmVectArrayFormVectColU( cmVectArray_t* p, unsigned groupIdx, unsigned groupCnt, unsigned colIdx, unsigned** vRef, unsigned* vnRef );
|
|
cmRC_t cmVectArrayTest( cmCtx* ctx, const char* fn, bool genFl );
|
|
|
|
//-----------------------------------------------------------------------------------------------------------------------
|
|
// Spectral whitening filter.
|
|
// Based on: Klapuri, A., 2006: Multiple fundamental frequency estimation by summing
|
|
// harmonic amplitudes.
|
|
|
|
typedef struct
|
|
{
|
|
cmObj obj;
|
|
unsigned binCnt; //
|
|
cmReal_t binHz; //
|
|
unsigned bandCnt; //
|
|
cmReal_t coeff; //
|
|
cmReal_t* whiV; // whiV[bandCnt+2] - fractional bin index of each center frequency
|
|
cmReal_t* whM; // whM[binCnt,bandCnt]
|
|
cmReal_t* iV; // iV[ binCnt ] - working memory
|
|
} cmWhFilt;
|
|
|
|
cmWhFilt* cmWhFiltAlloc( cmCtx* c, cmWhFilt* p, unsigned binCnt, cmReal_t binHz, cmReal_t coeff, cmReal_t maxHz );
|
|
cmRC_t cmWhFiltFree( cmWhFilt** pp );
|
|
cmRC_t cmWhFiltInit( cmWhFilt* p, unsigned binCnt, cmReal_t binHz, cmReal_t coeff, cmReal_t maxHz );
|
|
cmRC_t cmWhFiltFinal( cmWhFilt* p );
|
|
cmRC_t cmWhFiltExec( cmWhFilt* p, const cmReal_t* xV, cmReal_t* yV, unsigned xyN );
|
|
|
|
//-----------------------------------------------------------------------------------------------------------------------
|
|
typedef enum
|
|
{
|
|
kNoStateFrqTrkId,
|
|
kDlyFrqTrkId,
|
|
kAtkFrqTrkId,
|
|
kSusFrqTrkId,
|
|
kDcyFrqTrkId
|
|
} cmFrqTrkAttenStateId_t;
|
|
|
|
typedef struct
|
|
{
|
|
double srate; // system sample rate
|
|
unsigned chCnt; // tracking channel count
|
|
unsigned binCnt; // count of spectrum elements passed in each call to cmFrqTrkExec()
|
|
unsigned hopSmpCnt; // phase vocoder hop count in samples
|
|
cmReal_t stRange; // maximum allowable semi-tones between a tracker and a peak
|
|
cmReal_t wndSecs; // duration of the
|
|
cmReal_t minTrkSec; // minimum track length before track is considered stable
|
|
cmReal_t maxTrkDeadSec; // maximum length of time a tracker may fail to connect to a peak before being declared disconnected.
|
|
cmReal_t pkThreshDb; // minimum amplitide in Decibels of a selected spectral peak.
|
|
cmReal_t pkAtkThreshDb; // minimum amplitude in Decibels for the first frame of a new track.
|
|
cmReal_t pkMaxHz; // maximum frequency to track
|
|
cmReal_t whFiltCoeff;
|
|
|
|
cmReal_t attenThresh;
|
|
cmReal_t attenGain;
|
|
cmReal_t attenDlySec;
|
|
cmReal_t attenAtkSec;
|
|
|
|
const char* logFn; // log file name or NULL if no file is to be written
|
|
const char* levelFn; // level file name or NULL if no file is to be written
|
|
const char* specFn; // spectrum file name or NULL if no file is to be written
|
|
const char* attenFn;
|
|
|
|
} cmFrqTrkArgs_t;
|
|
|
|
typedef struct
|
|
{
|
|
bool activeFl;
|
|
unsigned id;
|
|
unsigned tN; // age of this track in frames
|
|
unsigned dN; // count of consecutive times this ch has not connected
|
|
cmReal_t hz; // current center frequency
|
|
cmReal_t db; // current magnitude
|
|
|
|
cmReal_t* dbV; // dbV[]
|
|
cmReal_t* hzV; // hzV[]
|
|
unsigned si;
|
|
unsigned sn;
|
|
|
|
cmReal_t db_mean;
|
|
cmReal_t db_std;
|
|
cmReal_t hz_mean;
|
|
cmReal_t hz_std;
|
|
|
|
cmReal_t score;
|
|
|
|
cmFrqTrkAttenStateId_t state;
|
|
int attenPhsIdx;
|
|
cmReal_t attenGain;
|
|
} cmFrqTrkCh_t;
|
|
|
|
struct cmBinMtxFile_str;
|
|
|
|
typedef struct cmFrqTrk_str
|
|
{
|
|
cmObj obj;
|
|
cmFrqTrkArgs_t a;
|
|
cmFrqTrkCh_t* ch; // ch[ a.chCnt ]
|
|
unsigned hN; // count of magnitude buffer frames
|
|
unsigned sN; // count of frames in channel statistics buffers
|
|
unsigned bN; // count of bins in peak matrices
|
|
cmReal_t* dbM; // dbM[ hN, bN ]
|
|
unsigned hi; // next row of dbM to fill
|
|
unsigned fN; // total count of frames processed.
|
|
cmReal_t binHz;
|
|
|
|
cmReal_t* dbV;
|
|
unsigned* pkiV;
|
|
unsigned deadN_max; // max. count of hops a tracker may fail to connect before being set to inactive
|
|
unsigned minTrkN; // minimum track length in hops
|
|
unsigned nextTrkId;
|
|
|
|
unsigned newTrkCnt;
|
|
unsigned curTrkCnt;
|
|
unsigned deadTrkCnt;
|
|
|
|
cmReal_t* aV;
|
|
int attenDlyPhsMax;
|
|
int attenPhsMax;
|
|
|
|
cmWhFilt* wf;
|
|
|
|
cmVectArray_t* logVa;
|
|
cmVectArray_t* levelVa;
|
|
cmVectArray_t* specVa;
|
|
cmVectArray_t* attenVa;
|
|
|
|
cmChar_t* logFn;
|
|
cmChar_t* levelFn;
|
|
cmChar_t* specFn;
|
|
cmChar_t* attenFn;
|
|
|
|
} cmFrqTrk;
|
|
|
|
//
|
|
// 1. Calculate the mean spectral magnitude profile over the last hN frames.
|
|
// 2. Locate the peaks in the profile.
|
|
// 3. Allow each active tracker to select the closest peak to extend its life.
|
|
// a) The distance between the trackers current location and a given
|
|
// peak is measured based on magnitude and frequency over time.
|
|
// b) There is a frequency range limit outside of which a given track-peak
|
|
// connection may not go.
|
|
// c) There is an amplitude threshold below which a track may not fall.
|
|
|
|
cmFrqTrk* cmFrqTrkAlloc( cmCtx* c, cmFrqTrk* p, const cmFrqTrkArgs_t* a );
|
|
cmRC_t cmFrqTrkFree( cmFrqTrk** pp );
|
|
cmRC_t cmFrqTrkInit( cmFrqTrk* p, const cmFrqTrkArgs_t* a );
|
|
cmRC_t cmFrqTrkFinal( cmFrqTrk* p );
|
|
cmRC_t cmFrqTrkExec( cmFrqTrk* p, const cmReal_t* magV, const cmReal_t* phsV, const cmReal_t* hzV );
|
|
void cmFrqTrkPrint( cmFrqTrk* p );
|
|
|
|
//------------------------------------------------------------------------------------------------------------
|
|
|
|
typedef struct
|
|
{
|
|
double srate;
|
|
unsigned binCnt;
|
|
unsigned hopSmpCnt;
|
|
unsigned bufMs;
|
|
cmReal_t maxHz;
|
|
} cmFbCtlArgs_t;
|
|
|
|
typedef struct
|
|
{
|
|
cmObj obj;
|
|
cmFbCtlArgs_t a;
|
|
unsigned binCnt;
|
|
unsigned frmCnt;
|
|
cmReal_t* bM; // bM[ frmCnt, binCnt ];
|
|
unsigned bfi; // current buffer frame (column) index
|
|
unsigned bfN; // currrent count of frames in the buffer
|
|
cmReal_t* rmsV; // rmsV[ frmCnt ];
|
|
cmReal_t* sV; // sV[ binCnt ]
|
|
cmReal_t* uV;
|
|
cmVectArray_t* sva;
|
|
cmVectArray_t* uva;
|
|
} cmFbCtl_t;
|
|
|
|
cmFbCtl_t* cmFbCtlAlloc( cmCtx* c, cmFbCtl_t* p, const cmFbCtlArgs_t* a );
|
|
cmRC_t cmFbCtlFree( cmFbCtl_t** pp );
|
|
cmRC_t cmFbCtlInit( cmFbCtl_t* p, const cmFbCtlArgs_t* a );
|
|
cmRC_t cmFbCtlFinal(cmFbCtl_t* p );
|
|
cmRC_t cmFbCtlExec( cmFbCtl_t* p, const cmReal_t* xV );
|
|
|
|
//-----------------------------------------------------------------------------------------------------------------------
|
|
|
|
typedef struct
|
|
{
|
|
cmObj obj;
|
|
cmReal_t* rmsV; // rmsV[rmsN]
|
|
unsigned rmsN; //
|
|
unsigned rmsIdx;//
|
|
cmReal_t rmsValue; // last RMS value
|
|
cmSample_t* envV; // envV[envN]
|
|
unsigned envN; // atkSmp + rlsSmp;
|
|
unsigned threshN;
|
|
unsigned threshIdx;
|
|
float threshLvl;
|
|
float rlsLvl;
|
|
unsigned envIdx;
|
|
double gain;
|
|
unsigned atkCnt;
|
|
} cmExpander;
|
|
|
|
cmExpander* cmExpanderAlloc( cmCtx* c, cmExpander* p, double srate, unsigned procSmpCnt, double threshDb, double rlsDb, double threshMs, double rmsMs, double atkMs, double rlsMs );
|
|
cmRC_t cmExpanderFree( cmExpander** pp );
|
|
cmRC_t cmExpanderInit( cmExpander* p, double srate, unsigned procSmpCnt, double threshDb, double rlsDb, double threshMs, double rmsMs, double atkMs, double rlsMs );
|
|
cmRC_t cmExpanderFinal( cmExpander* p );
|
|
cmRC_t cmExpanderExec( cmExpander* p, cmSample_t* x, cmSample_t* y, unsigned xyN );
|
|
cmRC_t cmExpanderExecD( cmExpander* p, double* x, double* y, unsigned xyN );
|
|
//-----------------------------------------------------------------------------------------------------------------------
|
|
typedef struct
|
|
{
|
|
cmObj obj;
|
|
cmExpander** b; // b[bandN]
|
|
unsigned bandN;
|
|
double rmsValue;
|
|
unsigned atkCnt;
|
|
} cmExpanderBank;
|
|
|
|
|
|
cmExpanderBank* cmExpanderBankAlloc( cmCtx* c, cmExpanderBank* p, unsigned bandN, double srate, unsigned procSmpCnt, double threshDb, double rlsDb, double threshMs, double rmsMs, double atkMs, double rlsMs );
|
|
cmRC_t cmExpanderBankFree( cmExpanderBank** pp );
|
|
cmRC_t cmExpanderBankInit( cmExpanderBank* p, unsigned bandN, double srate, unsigned procSmpCnt, double threshDb, double rlsDb, double threshMs, double rmsMs, double atkMs, double rlsMs );
|
|
cmRC_t cmExpanderBankFinal( cmExpanderBank* p );
|
|
cmRC_t cmExpanderBankExec( cmExpanderBank* p, cmSample_t* x, unsigned bandN );
|
|
cmRC_t cmExpanderBankExecD( cmExpanderBank* p, double* x, unsigned bandN );
|
|
|
|
|
|
//------------------------------------------------------------------------------------------------------------
|
|
|
|
enum
|
|
{
|
|
kBypassModeSdId, // 0 - no effect
|
|
kBasicModeSdId, // 1 - fixed thresh
|
|
kSpecCentSdId, // 2 - thresh = max magn - (offset * spec_cent)
|
|
kAmpEnvSdId, // 3 - thresh = max magn - offset
|
|
kBumpSdId,
|
|
kModeSdCnt
|
|
};
|
|
|
|
typedef struct
|
|
{
|
|
cmObj obj;
|
|
double srate;
|
|
unsigned wndSmpCnt;
|
|
unsigned hopFcmt;
|
|
unsigned hopSmpCnt;
|
|
unsigned procSmpCnt;
|
|
|
|
cmPvAnl* pva;
|
|
cmPvSyn* pvs;
|
|
|
|
cmFrqTrk* ft;
|
|
cmFbCtl_t* fbc;
|
|
cmExpanderBank* exb;
|
|
|
|
unsigned mode;
|
|
double thresh;
|
|
|
|
double uprSlope;
|
|
double lwrSlope;
|
|
double offset;
|
|
bool invertFl;
|
|
|
|
double spcBwHz; // spectral centroid bandwidth in Hz
|
|
double spcSmArg; // spectral centroid smoothing
|
|
double spcMin;
|
|
double spcMax;
|
|
unsigned spcBinCnt; // count of bins used in the spectral centroid
|
|
cmReal_t* hzV; // hzV[spcBinCnt];
|
|
cmReal_t spc;
|
|
|
|
unsigned spcCnt;
|
|
cmReal_t spcSum;
|
|
cmReal_t spcSqSum;
|
|
|
|
cmReal_t aeSmMax; // smoothed max bin magn - used by spectral centroid
|
|
cmReal_t aeSmOffs; // smoothed offset
|
|
|
|
cmReal_t ae;
|
|
cmReal_t aeMin;
|
|
cmReal_t aeMax;
|
|
cmReal_t aeUnit;
|
|
|
|
cmReal_t ogain;
|
|
|
|
unsigned phaseModIndex;
|
|
|
|
unsigned fi; // total count of frames processed by cmSpecDistExec()
|
|
unsigned hN;
|
|
unsigned hi;
|
|
cmReal_t* iSpecM; // iSpecMtx[hN binN]
|
|
cmReal_t* iSpecV; // mean of rows of iSpecM
|
|
cmVectArray_t* iSpecVa;
|
|
cmReal_t* oSpecM; // oSpecMtx[hN binN]
|
|
cmReal_t* oSpecV; // mean of rows of oSpecM
|
|
cmVectArray_t* oSpecVa;
|
|
|
|
} cmSpecDist_t;
|
|
|
|
cmSpecDist_t* cmSpecDistAlloc( cmCtx* ctx,cmSpecDist_t* ap, unsigned procSmpCnt, double srate, unsigned wndSmpCnt, unsigned hopFcmt, unsigned olaWndTypeId );
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cmRC_t cmSpecDistFree( cmSpecDist_t** pp );
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cmRC_t cmSpecDistInit( cmSpecDist_t* p, unsigned procSmpCnt, double srate, unsigned wndSmpCnt, unsigned hopFcmt, unsigned olaWndTypeId );
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cmRC_t cmSpecDistFinal(cmSpecDist_t* p );
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cmRC_t cmSpecDistExec( cmSpecDist_t* p, const cmSample_t* sp, unsigned sn );
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const cmSample_t* cmSpecDistOut( cmSpecDist_t* p );
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//------------------------------------------------------------------------------------------------------------
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// Write a binary matrix file in the format acceppted by the octave function readBinFile.m
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typedef struct cmBinMtxFile_str
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{
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cmObj obj;
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cmFileH_t fh;
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unsigned rowCnt;
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unsigned maxRowEleCnt;
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unsigned eleByteCnt;
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} cmBinMtxFile_t;
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cmBinMtxFile_t* cmBinMtxFileAlloc( cmCtx* ctx, cmBinMtxFile_t* ap, const cmChar_t* fn );
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cmRC_t cmBinMtxFileFree( cmBinMtxFile_t** pp );
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cmRC_t cmBinMtxFileInit( cmBinMtxFile_t* p, const cmChar_t* fn );
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cmRC_t cmBinMtxFileFinal( cmBinMtxFile_t* p );
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// Write one row of 'xn' columns to the matrix file.
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cmRC_t cmBinMtxFileExecS( cmBinMtxFile_t* p, const cmSample_t* x, unsigned xn );
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cmRC_t cmBinMtxFileExecR( cmBinMtxFile_t* p, const cmReal_t* x, unsigned xn );
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bool cmBinMtxFileIsValid( cmBinMtxFile_t* p );
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// Write a binary matrix file.
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// The matrix data is provided as sp[rowCnt,colCnt] or rp[rowCnt,colCnt].
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// The matrix is assumed to be in column major order (like all matrices in the cm library)
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// Either 'sp' or 'rp' must be given but not both.
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// 'ctx' is optional and defaults to NULL.
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// If 'ctx' is not provided then 'rpt' must be provided.
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// If 'ctx' is provided then 'rpt' is not used.
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// See cmAudioFileReadWriteTest() in cmProcTest.c for an example usage.
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cmRC_t cmBinMtxFileWrite( const cmChar_t* fn, unsigned rowCnt, unsigned colCnt, const cmSample_t* sp, const cmReal_t* rp, cmCtx* ctx, cmRpt_t* rpt );
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// Return the matrix file geometry.
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// rowCntPtr,colCntPtr and eleByteCntPtr are optional
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cmRC_t cmBinMtxFileSize( cmCtx_t* ctx, const cmChar_t* fn, unsigned* rowCntPtr, unsigned* colCntPtr, unsigned* eleByteCntPtr );
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// Fill buf[rowCnt*colCnt*byteEleCnt] buffer from the binary matrix file 'fn'.
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// rowCnt,colCnt,eleByteCnt must be exactly the same as the actual file.
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// Use cmBinMtxFileSize() to determine the buffer size prior to calling this function.
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// colCntV[colCnt] is optional.
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cmRC_t cmBinMtxFileRead( cmCtx_t* ctx, const cmChar_t* fn, unsigned rowCnt, unsigned colCnt, unsigned eleByteCnt, void* buf, unsigned* colCntV );
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#ifdef __cplusplus
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}
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#endif
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#endif
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