633 lines
17 KiB
C++
633 lines
17 KiB
C++
#include "cwCommon.h"
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#include "cwLog.h"
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#include "cwCommonImpl.h"
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#include "cwTest.h"
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#include "cwMem.h"
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#include "cwFile.h"
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#include "cwText.h"
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#include "cwObject.h"
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#include "cwFileSys.h"
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#include "cwAudioFile.h"
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#include "cwMath.h"
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#include "cwVectOps.h"
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#include "cwDspTypes.h"
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#include "cwDsp.h"
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#include "cwAudioTransforms.h"
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#include "cwWaveTableBank.h"
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#include "cwMidi.h"
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#include "cwTest.h"
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namespace cw
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{
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namespace wt_bank
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{
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typedef struct vel_str
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{
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unsigned vel;
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unsigned bsi;
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multi_ch_wt_seq_t mc_seq;
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} vel_t;
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typedef struct pitch_str
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{
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unsigned midi_pitch;
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vel_t* velA;
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unsigned velN;
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} pitch_t;
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typedef struct instr_str
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{
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char* label;
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pitch_t* pitchA;
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unsigned pitchN;
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multi_ch_wt_seq_t** pvM; // pgM[128x128] pgmM[pitch][vel] // each row holds the vel's for a given pitch
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struct instr_str* link;
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} instr_t;
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typedef struct wt_bank_str
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{
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unsigned allocAudioBytesN;
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unsigned padSmpN;
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unsigned instrN;
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instr_t** instrA;
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} wt_bank_t;
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typedef struct audio_buf_str
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{
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audiofile::handle_t afH;
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unsigned allocFrmN = 0;
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unsigned allocChN = 0;
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unsigned chN = 0;
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unsigned frmN = 0;
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sample_t** ch_buf = nullptr; // chBuf[chN][frmN]
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} audio_buf_t;
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wt_bank_t* _handleToPtr( handle_t h )
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{ return handleToPtr<handle_t,wt_bank_t>(h); }
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void _audio_buf_free( audio_buf_t& ab )
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{
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audiofile::close(ab.afH);
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for(unsigned i=0; i<ab.chN; ++i)
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mem::release(ab.ch_buf[i]);
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mem::release(ab.ch_buf);
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ab.allocChN = 0;
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ab.allocFrmN = 0;
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ab.chN = 0;
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ab.frmN = 0;
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}
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rc_t _audio_buf_alloc( audio_buf_t& ab, const char* fname )
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{
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rc_t rc = kOkRC;
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audiofile::info_t info;
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unsigned actualFrmCnt = 0;
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// open the audio file
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if((rc = audiofile::open(ab.afH,fname,&info)) != kOkRC )
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{
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rc = cwLogError(rc,"Instrument audio file open failed.");
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goto errLabel;
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}
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// if the buffer has too few channels
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if( info.chCnt > ab.allocChN )
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{
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ab.ch_buf = mem::resizeZ<sample_t*>( ab.ch_buf, info.chCnt );
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ab.allocChN = info.chCnt;
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}
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for(unsigned i=0; i<info.chCnt; ++i)
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{
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// if this channel has too few frames
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if( ab.ch_buf[i] == nullptr || info.frameCnt > ab.allocFrmN )
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{
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ab.ch_buf[i] = mem::resizeZ<sample_t>( ab.ch_buf[i], info.frameCnt );
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ab.allocFrmN = info.frameCnt;
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}
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}
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if((rc = audiofile::readFloat(ab.afH, info.frameCnt, 0, info.chCnt, ab.ch_buf, &actualFrmCnt )) != kOkRC )
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{
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rc = cwLogError(rc,"The instrument audio file read failed.");
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goto errLabel;
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}
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assert( info.frameCnt == actualFrmCnt );
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ab.chN = info.chCnt;
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ab.frmN = actualFrmCnt;
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errLabel:
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return rc;
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}
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void _destroy_instr( instr_t* instr )
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{
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mem::release(instr->label);
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for(unsigned i=0; i<instr->pitchN; ++i)
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{
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pitch_t* pr = instr->pitchA + i;
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for(unsigned j=0; j<pr->velN; ++j)
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{
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vel_t* vr = pr->velA + j;
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for(unsigned ch_idx=0; ch_idx<vr->mc_seq.chN; ++ch_idx)
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{
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wt_seq_t* wts = vr->mc_seq.chA + ch_idx;
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for(unsigned wti=0; wti<wts->wtN; ++wti)
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{
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wt_t* wt = wts->wtA + wti;
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mem::release(wt->aV);
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}
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mem::release(wts->wtA);
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}
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mem::release(vr->mc_seq.chA);
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}
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mem::release(pr->velA);
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}
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mem::release(instr->pitchA);
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mem::release(instr->pvM);
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mem::release(instr);
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}
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rc_t _destroy( wt_bank_t* p )
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{
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rc_t rc = kOkRC;
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for(unsigned i=0; i<p->instrN; ++i )
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_destroy_instr(p->instrA[i]);
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mem::release(p);
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return rc;
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}
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void _alloc_wt( wt_bank_t* p,
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wt_t* wt,
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wt_tid_t tid,
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srate_t srate,
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const sample_t* aV,
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unsigned posn_smp_idx,
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unsigned aN,
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double hz,
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double rms)
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{
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wt->tid = tid;
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wt->aN = aN;
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wt->hz = hz;
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wt->rms = rms;
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wt->cyc_per_loop = 1;
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wt->srate = srate;
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wt->pad_smpN = p->padSmpN;
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wt->posn_smp_idx = posn_smp_idx;
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unsigned allocSmpCnt = p->padSmpN + wt->aN + p->padSmpN;
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p->allocAudioBytesN += allocSmpCnt * sizeof(sample_t);
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// allocate the wavetable audio buffer
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wt->aV = mem::allocZ<sample_t>( allocSmpCnt );
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// fill the wavetable from the audio file
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vop::copy(wt->aV+p->padSmpN, aV + posn_smp_idx, wt->aN);
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// fill the wavetable prefix
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vop::copy(wt->aV, wt->aV + p->padSmpN + (wt->aN-p->padSmpN), p->padSmpN );
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// fill the wavetable suffix
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vop::copy(wt->aV + p->padSmpN + wt->aN, wt->aV + p->padSmpN, p->padSmpN );
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}
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rc_t _create_instr_pv_map( instr_t* instr )
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{
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rc_t rc = kOkRC;
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// each row contains the velocities for a given pitch
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instr->pvM = mem::allocZ<multi_ch_wt_seq_t*>(midi::kMidiNoteCnt * midi::kMidiVelCnt );
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for(unsigned i=0; i<instr->pitchN; ++i)
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{
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unsigned vel0 = 0;
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for(unsigned j=0; j<instr->pitchA[i].velN; ++j)
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{
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unsigned pitch = instr->pitchA[i].midi_pitch;
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unsigned vel = instr->pitchA[i].velA[j].vel;
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if( pitch >= midi::kMidiNoteCnt )
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rc = cwLogError(kInvalidArgRC,"An invalid pitch value (%i) was encounted.",pitch);
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if( vel >= midi::kMidiVelCnt )
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rc = cwLogError(kInvalidArgRC,"An invalid velocity value (%i) was encountered.",vel);
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multi_ch_wt_seq_t* mcs = &instr->pitchA[i].velA[j].mc_seq;
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// if there is a gap between vel0 and vel
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if( vel0 > 0 )
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{
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// find the center of the gap
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unsigned vel_c = vel0 + (vel-vel0)/2;
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// vel0:vel_c = mcs0
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for(unsigned v=vel0+1; v<=vel_c; ++v)
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{
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instr->pvM[(v*midi::kMidiNoteCnt) + pitch ] = instr->pvM[(vel0*midi::kMidiNoteCnt) + pitch ];
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}
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// vel_c+1:vel-1 = mcs
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for(unsigned v=vel_c+1; v<vel; ++v)
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{
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instr->pvM[(v*midi::kMidiNoteCnt) + pitch ] = mcs;
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}
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}
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instr->pvM[(vel*midi::kMidiNoteCnt) + pitch ] = mcs;
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vel0 = vel;
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}
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}
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if( rc != kOkRC )
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rc = cwLogError(rc,"Pitch-velocy map creation failed on instrument:'%s'.",cwStringNullGuard(instr->label));
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return rc;
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}
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}
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}
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cw::rc_t cw::wt_bank::create( handle_t& hRef, unsigned padSmpN, const char* instr_json_fname )
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{
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rc_t rc = kOkRC;
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if(destroy(hRef) != kOkRC )
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return rc;
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wt_bank_t* p = mem::allocZ<wt_bank_t>();
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p->padSmpN = padSmpN;
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hRef.set(p);
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if( instr_json_fname != nullptr )
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if((rc = load(hRef,instr_json_fname)) != kOkRC )
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{
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hRef.clear();
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}
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if(rc != kOkRC )
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{
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rc = cwLogError(rc,"WT Bank create failed.");
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_destroy(p);
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}
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return rc;
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}
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cw::rc_t cw::wt_bank::destroy( handle_t& hRef )
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{
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rc_t rc = kOkRC;
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wt_bank_t* p =nullptr;
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if( !hRef.isValid() )
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return rc;
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p = _handleToPtr(hRef);
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if((rc = _destroy(p)) != kOkRC )
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return rc;
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hRef.clear();
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return rc;
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}
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cw::rc_t cw::wt_bank::load( handle_t h, const char* instr_json_fname )
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{
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rc_t rc = kOkRC;
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wt_bank_t* p = _handleToPtr(h);
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object_t* f = nullptr;
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const object_t* pitchL = nullptr;
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const char* instr_label = nullptr;
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instr_t* instr = nullptr;
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audio_buf_t abuf{};
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if((rc = objectFromFile(instr_json_fname,f)) != kOkRC )
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goto errLabel;
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if( f == nullptr || !f->is_dict() )
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{
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rc = cwLogError(kSyntaxErrorRC,"The instrument file header is not valid.");
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goto errLabel;
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}
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if((rc = f->getv("instr",instr_label,
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"pitchL",pitchL)) != kOkRC )
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{
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rc = cwLogError(rc,"Instrument file syntax error while reading file header.");
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goto errLabel;
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}
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instr = mem::allocZ<instr_t>();
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instr->label = mem::duplStr(instr_label);
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instr->pitchN = pitchL->child_count();
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instr->pitchA = mem::allocZ<pitch_t>(instr->pitchN);
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for(unsigned i=0; i<instr->pitchN; ++i)
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{
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double hz = 0;
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srate_t srate = 0;
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const char* audio_fname = nullptr;
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const object_t* velL = nullptr;
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const object_t* pitchR = pitchL->child_ele(i);
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pitch_t* pitch = instr->pitchA + i;
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if(pitchR == nullptr || !pitchR->is_dict() )
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{
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rc = cwLogError(kSyntaxErrorRC,"The pitch record at index %i is not valid.",i);
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goto errLabel;
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}
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if((rc = pitchR->getv("midi_pitch",pitch->midi_pitch,
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"srate",srate,
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"est_hz_mean",hz,
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"audio_fname",audio_fname,
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"velL",velL)) != kOkRC )
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{
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rc = cwLogError(rc,"Instrument file syntax error while reading pitch record at index %i.",i);
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goto errLabel;
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}
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cwLogInfo("pitch:%i %i %s",pitch->midi_pitch,p->allocAudioBytesN/(1024*1024),audio_fname);
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// read the audio file into abuf
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if((rc = _audio_buf_alloc(abuf, audio_fname )) != kOkRC )
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goto errLabel;
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pitch->velN = velL->child_count();
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pitch->velA = mem::allocZ<vel_t>( pitch->velN );
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for(unsigned j=0; j<instr->pitchA[i].velN; ++j)
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{
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const object_t* chL = nullptr;
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const object_t* velR = velL->child_ele(j);
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vel_t* vel = pitch->velA + j;
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if( velR==nullptr || !velR->is_dict() )
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{
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rc = cwLogError(rc,"The velocity record at index %i on MIDI pitch %i is invalid.",j,pitch->midi_pitch);
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goto errLabel;
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}
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if((rc = velR->getv("vel",vel->vel,
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"bsi",vel->bsi,
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"chL",chL)) != kOkRC )
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{
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rc = cwLogError(rc,"Instrument file syntax error while reading the velocity record at index %i from the pitch record for MIDI pitch:%i.",j,pitch->midi_pitch);
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goto errLabel;
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}
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vel->mc_seq.chN = chL->child_count();
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vel->mc_seq.chA = mem::allocZ<wt_seq_t>( vel->mc_seq.chN );
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for(unsigned ch_idx=0; ch_idx<instr->pitchA[i].velA[j].mc_seq.chN; ++ch_idx)
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{
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const object_t* wtL = chL->child_ele(ch_idx);
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wt_seq_t* wts = vel->mc_seq.chA + ch_idx;
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wts->wtN = wtL->child_count() + 1;
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wts->wtA = mem::allocZ<wt_t>( wts->wtN );
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for(unsigned wti=0; wti<wts->wtN-1; ++wti)
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{
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const object_t* wtR = wtL->child_ele(wti);
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wt_t* wt = wts->wtA + wti + 1;
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unsigned wtbi = kInvalidIdx;
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unsigned wtei = kInvalidIdx;
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double rms = 0;
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if((rc = wtR->getv("wtbi",wtbi,
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"wtei",wtei,
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"rms",rms,
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"est_hz",wt->hz)) != kOkRC )
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{
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rc = cwLogError(rc,"Instrument file syntax error in wavetable record at index %i, channel index:%i, velocity index:%i midi pitch:%i.",wti,ch_idx,j,pitch->midi_pitch);
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goto errLabel;
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}
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// if this is the first looping wave table then insert the attack wave table before it
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if( wti==0 )
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{
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_alloc_wt(p,wts->wtA,dsp::wt_osc::kOneShotWtTId,srate,abuf.ch_buf[ch_idx], vel->bsi, wtbi-vel->bsi,hz,0);
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}
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_alloc_wt(p,wt,dsp::wt_osc::kLoopWtTId,srate,abuf.ch_buf[ch_idx],wtbi,wtei-wtbi,hz,rms);
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}
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}
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}
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}
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if((rc = _create_instr_pv_map( instr )) != kOkRC )
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goto errLabel;
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p->instrA = mem::resizeZ<instr_t*>( p->instrA, p->instrN+1 );
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p->instrA[ p->instrN++ ] = instr;
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errLabel:
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if(rc != kOkRC )
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{
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if( instr != nullptr )
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_destroy_instr(instr);
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rc = cwLogError(rc,"Wave table bank load failed on '%s'.",cwStringNullGuard(instr_json_fname));
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}
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_audio_buf_free(abuf);
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if( f != nullptr )
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f->free();
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return rc;
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}
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void cw::wt_bank::report( handle_t h )
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{
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wt_bank_t* p = _handleToPtr(h);
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for(unsigned instr_idx=0; instr_idx<p->instrN; ++instr_idx)
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{
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instr_t* instr = p->instrA[instr_idx];
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cwLogPrint("%s \n",instr->label);
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for(unsigned i=0; i<instr->pitchN; ++i)
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{
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const pitch_t* pitch = instr->pitchA + i;
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cwLogPrint(" pitch:%i\n",pitch->midi_pitch);
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for(unsigned j=0; j<pitch->velN; ++j)
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{
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vel_t* vel = pitch->velA + j;
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bool fl = true;
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cwLogPrint(" vel:%i\n",vel->vel);
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for(unsigned wti=0; fl; ++wti)
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{
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fl = false;
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const char* indent = " ";
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for(unsigned ch_idx=0; ch_idx<vel->mc_seq.chN; ++ch_idx)
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if( wti < vel->mc_seq.chA[ch_idx].wtN )
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{
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wt_t* wt=vel->mc_seq.chA[ch_idx].wtA + wti;
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cwLogPrint("%s(%i %f %f) ",indent,wt->aN,wt->rms,wt->hz);
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indent="";
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fl = true;
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}
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if( fl )
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{
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cwLogPrint("\n");
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}
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}
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}
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}
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}
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}
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unsigned cw::wt_bank::instr_count( handle_t h )
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{
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wt_bank_t* p = _handleToPtr(h);
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return p->instrN;
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}
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unsigned cw::wt_bank::instr_index( handle_t h, const char* instr_label )
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{
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wt_bank_t* p = _handleToPtr(h);
|
|
|
|
for(unsigned i=0; i<p->instrN; ++i)
|
|
if( textIsEqual(p->instrA[i]->label,instr_label) )
|
|
return i;
|
|
|
|
return kInvalidIdx;
|
|
}
|
|
|
|
cw::rc_t cw::wt_bank::instr_pitch_velocities( handle_t h, unsigned instr_idx, unsigned pitch, unsigned* velA, unsigned velCnt, unsigned& velCnt_Ref )
|
|
{
|
|
rc_t rc = kOkRC;
|
|
wt_bank_t* p = _handleToPtr(h);
|
|
|
|
velCnt_Ref = 0;
|
|
|
|
if( instr_idx > p->instrN || pitch >= midi::kMidiNoteCnt )
|
|
{
|
|
rc = cwLogError(kInvalidArgRC,"Invalid wave table request : instr:%i (instrN:%i) pitch:%i.",instr_idx,p->instrN,pitch);
|
|
goto errLabel;
|
|
}
|
|
|
|
for(unsigned i=0; i<p->instrA[instr_idx]->pitchN; ++i)
|
|
if( p->instrA[instr_idx]->pitchA[i].midi_pitch == pitch )
|
|
{
|
|
if( p->instrA[instr_idx]->pitchA[i].velN > velCnt )
|
|
{
|
|
rc = cwLogError(kBufTooSmallRC,"The velocity buffer is too small (%i>%i) for instr:%i pitch:%i.",p->instrA[instr_idx]->pitchA[i].velN,velCnt,instr_idx,pitch);
|
|
goto errLabel;
|
|
}
|
|
|
|
for(unsigned j=0; j<p->instrA[instr_idx]->pitchA[i].velN; ++j)
|
|
velA[j] = p->instrA[instr_idx]->pitchA[i].velA[j].vel;
|
|
|
|
velCnt_Ref = p->instrA[instr_idx]->pitchA[i].velN;
|
|
break;
|
|
}
|
|
|
|
if( velCnt_Ref==0)
|
|
{
|
|
rc = cwLogError(kInvalidArgRC,"No sampled wave tables exist for instr:%i pitch:%i.",instr_idx,pitch);
|
|
goto errLabel;
|
|
}
|
|
|
|
errLabel:
|
|
return rc;
|
|
}
|
|
|
|
|
|
|
|
cw::rc_t cw::wt_bank::get_wave_table( handle_t h, unsigned instr_idx, unsigned pitch, unsigned vel, cw::wt_bank::multi_ch_wt_seq_t const * & mcs_Ref )
|
|
{
|
|
rc_t rc = kOkRC;
|
|
wt_bank_t* p = _handleToPtr(h);
|
|
|
|
mcs_Ref = nullptr;
|
|
|
|
if( instr_idx > p->instrN || pitch >= midi::kMidiNoteCnt || vel >= midi::kMidiVelCnt )
|
|
{
|
|
rc = cwLogError(kInvalidArgRC,"Invalid wave table request : instr:%i (instrN:%i) pitch:%i vel:%i.",instr_idx,p->instrN,pitch,vel);
|
|
goto errLabel;
|
|
}
|
|
|
|
|
|
mcs_Ref = p->instrA[instr_idx]->pvM[(vel*midi::kMidiNoteCnt) + pitch ];
|
|
|
|
if( mcs_Ref == nullptr )
|
|
{
|
|
rc = cwLogError(kInvalidStateRC,"The wave table request : instr:%i (instrN:%i) pitch:%i vel:%i is not populated.",instr_idx,p->instrN,pitch,vel);
|
|
goto errLabel;
|
|
}
|
|
|
|
errLabel:
|
|
|
|
return rc;
|
|
}
|
|
|
|
|
|
cw::rc_t cw::wt_bank::test( const test::test_args_t& args )
|
|
{
|
|
rc_t rc0 = kOkRC;
|
|
rc_t rc1 = kOkRC;
|
|
unsigned padN = 2;
|
|
const char* cfg_fname;
|
|
handle_t h;
|
|
|
|
//unsigned instr_idx = 0;
|
|
//unsigned pitchA[] = { 21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21, 21, 21, 21, 21, 21, 21 };
|
|
//unsigned pitchA[] = { 60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60, 60, 60, 60, 60, 60, 60 };
|
|
//unsigned velA[] = { 1, 5,10,16,21,26,32,37,42,48,53,58,64,69,74,80,85,90,96,101,106,112,117,122,127 };
|
|
|
|
//unsigned velA[] = { 117, 122 };
|
|
//double note_dur_sec = 2.5;
|
|
|
|
|
|
if((rc0 = args.test_args->getv("wtb_cfg_fname",cfg_fname)) != kOkRC )
|
|
goto errLabel;
|
|
|
|
if((rc0 = create(h,padN)) != kOkRC )
|
|
goto errLabel;
|
|
|
|
if((rc0 = load(h,cfg_fname)) != kOkRC )
|
|
goto errLabel;
|
|
|
|
//assert( sizeof(pitchA)/sizeof(pitchA[0]) == sizeof(velA)/sizeof(velA[0]) );
|
|
|
|
//gen_notes(h,instr_idx,pitchA,velA,sizeof(pitchA)/sizeof(pitchA[0]),note_dur_sec,"~/temp/temp.wav");
|
|
|
|
report(h);
|
|
|
|
errLabel:
|
|
if((rc1 = destroy(h)) != kOkRC )
|
|
{
|
|
rc1 = cwLogError(rc1,"Wave table bank destroy failed.");
|
|
}
|
|
|
|
return rcSelect(rc0,rc1);
|
|
}
|