#include "cwCommon.h" #include "cwLog.h" #include "cwCommonImpl.h" #include "cwMem.h" #include "cwObject.h" #include "cwAudioFile.h" #include "cwVectOps.h" #include "cwMtx.h" #include "cwDspTypes.h" // real_t, sample_t #include "cwFlow.h" #include "cwFlowTypes.h" #include "cwFlowProc.h" #include "cwFile.h" #include "cwMath.h" #include "cwDsp.h" #include "cwAudioTransforms.h" #include "cwDspTransforms.h" namespace cw { namespace flow { //------------------------------------------------------------------------------------------------------------------ // // Template // namespace template_proc { typedef struct { } inst_t; rc_t create( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = mem::allocZ(); ctx->userPtr = inst; // Custom create code goes here return rc; } rc_t destroy( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; // Custom clean-up code goes here mem::release(inst); return rc; } rc_t value( instance_t* ctx, variable_t* var ) { rc_t rc = kOkRC; return rc; } rc_t exec( instance_t* ctx ) { rc_t rc = kOkRC; //inst_t* inst = (inst_t*)ctx->userPtr; return rc; } } //------------------------------------------------------------------------------------------------------------------ // // audio_in // namespace audio_in { enum { kDevLabelPId, kOutPId }; typedef struct { const char* dev_label; external_device_t* ext_dev; } inst_t; rc_t create( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = mem::allocZ(); ctx->userPtr = inst; // Register variable and get their current value if((rc = var_register_and_get( ctx, kAnyChIdx, kDevLabelPId, "dev_label", inst->dev_label )) != kOkRC ) { goto errLabel; } if((inst->ext_dev = external_device_find( ctx->ctx, inst->dev_label, kAudioDevTypeId, kInFl )) == nullptr ) { rc = cwLogError(kOpFailRC,"The audio input device description '%s' could not be found.", cwStringNullGuard(inst->dev_label)); goto errLabel; } // create one output audio buffer rc = var_register_and_set( ctx, "out", kOutPId, kAnyChIdx, inst->ext_dev->u.a.abuf->srate, inst->ext_dev->u.a.abuf->chN, ctx->ctx->framesPerCycle ); errLabel: return rc; } rc_t destroy( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; mem::release(inst); return rc; } rc_t value( instance_t* ctx, variable_t* var ) { rc_t rc = kOkRC; return rc; } rc_t exec( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; abuf_t* abuf = nullptr; // verify that a source buffer exists if((rc = var_get(ctx,kOutPId,kAnyChIdx,abuf)) != kOkRC ) { rc = cwLogError(kInvalidStateRC,"The audio file instance '%s' does not have a valid audio output buffer.",ctx->label); } else { memcpy(abuf->buf,inst->ext_dev->u.a.abuf->buf, abuf->frameN*abuf->chN*sizeof(sample_t)); } return rc; } class_members_t members = { .create = create, .destroy = destroy, .value = value, .exec = exec, .report = nullptr }; } //------------------------------------------------------------------------------------------------------------------ // // audio_out // namespace audio_out { enum { kInPId, kDevLabelPId, }; typedef struct { const char* dev_label; external_device_t* ext_dev; } inst_t; rc_t create( instance_t* ctx ) { rc_t rc = kOkRC; // inst_t* inst = mem::allocZ(); // const abuf_t* src_abuf = nullptr; ctx->userPtr = inst; // Register variables and get their current value if((rc = var_register_and_get( ctx, kAnyChIdx, kDevLabelPId, "dev_label", inst->dev_label, kInPId, "in", src_abuf)) != kOkRC ) { goto errLabel; } if((inst->ext_dev = external_device_find( ctx->ctx, inst->dev_label, kAudioDevTypeId, kOutFl )) == nullptr ) { rc = cwLogError(kOpFailRC,"The audio output device description '%s' could not be found.", cwStringNullGuard(inst->dev_label)); goto errLabel; } errLabel: return rc; } rc_t destroy( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; mem::release(inst); return rc; } rc_t value( instance_t* ctx, variable_t* var ) { rc_t rc = kOkRC; return rc; } rc_t exec( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; const abuf_t* src_abuf = nullptr; if((rc = var_get(ctx,kInPId,kAnyChIdx,src_abuf)) != kOkRC ) rc = cwLogError(kInvalidStateRC,"The audio file instance '%s' does not have a valid input connection.",ctx->label); else { unsigned n = src_abuf->frameN*src_abuf->chN; for(unsigned i=0; iext_dev->u.a.abuf->buf[i] += src_abuf->buf[i]; } return rc; } class_members_t members = { .create = create, .destroy = destroy, .value = value, .exec = exec, .report = nullptr }; } //------------------------------------------------------------------------------------------------------------------ // // AudioFileIn // namespace audioFileIn { enum { kFnamePId, kEofFlPId, kOutPId }; typedef struct { audiofile::handle_t afH; bool eofFl; const char* filename; } inst_t; rc_t create( instance_t* ctx ) { rc_t rc = kOkRC; audiofile::info_t info; inst_t* inst = mem::allocZ(); ctx->userPtr = inst; // Register variable and get their current value if((rc = var_register_and_get( ctx, kAnyChIdx, kFnamePId, "fname", inst->filename, kEofFlPId, "eofFl", inst->eofFl )) != kOkRC ) { goto errLabel; } // open the audio file if((rc = audiofile::open(inst->afH,inst->filename,&info)) != kOkRC ) { rc = cwLogError(kInvalidArgRC,"The audio file '%s' could not be opened.",inst->filename); goto errLabel; } cwLogInfo("Audio '%s' srate:%f chs:%i frames:%i %f seconds.",inst->filename,info.srate,info.chCnt,info.frameCnt, info.frameCnt/info.srate ); // create one output audio buffer rc = var_register_and_set( ctx, "out", kOutPId, kAnyChIdx, info.srate, info.chCnt, ctx->ctx->framesPerCycle ); errLabel: return rc; } rc_t destroy( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; if((rc = audiofile::close(inst->afH)) != kOkRC ) { rc = cwLogError(kOpFailRC,"The close failed on the audio file '%s'.", cwStringNullGuard(inst->filename) ); } mem::release(inst); return rc; } rc_t value( instance_t* ctx, variable_t* var ) { rc_t rc = kOkRC; return rc; } rc_t exec( instance_t* ctx ) { rc_t rc = kOkRC; unsigned actualFrameN = 0; inst_t* inst = (inst_t*)ctx->userPtr; abuf_t* abuf = nullptr; // verify that a source buffer exists if((rc = var_get(ctx,kOutPId,kAnyChIdx,abuf)) != kOkRC ) { rc = cwLogError(kInvalidStateRC,"The audio file instance '%s' does not have a valid audio output buffer.",ctx->label); } else { sample_t* chBuf[ abuf->chN ]; for(unsigned i=0; ichN; ++i) chBuf[i] = abuf->buf + (i*abuf->frameN); rc = readFloat(inst->afH, abuf->frameN, 0, abuf->chN, chBuf, &actualFrameN ); if( inst->eofFl && actualFrameN == 0) rc = kEofRC; } return rc; } class_members_t members = { .create = create, .destroy = destroy, .value = value, .exec = exec, .report = nullptr }; } //------------------------------------------------------------------------------------------------------------------ // // AudioFileOut // namespace audioFileOut { enum { kInPId, kFnamePId, kBitsPId }; typedef struct { audiofile::handle_t afH; const char* filename; unsigned durSmpN; } inst_t; rc_t create( instance_t* ctx ) { rc_t rc = kOkRC; // unsigned audioFileBits = 0; // set audio file sample format to 'float32'. inst_t* inst = mem::allocZ(); // const abuf_t* src_abuf = nullptr; ctx->userPtr = inst; // Register variables and get their current value if((rc = var_register_and_get( ctx, kAnyChIdx, kFnamePId, "fname", inst->filename, kBitsPId, "bits", audioFileBits, kInPId, "in", src_abuf)) != kOkRC ) { goto errLabel; } // create the audio file if((rc = audiofile::create( inst->afH, inst->filename, src_abuf->srate, audioFileBits, src_abuf->chN)) != kOkRC ) { rc = cwLogError(kOpFailRC,"The audio file create failed on '%s'.",cwStringNullGuard(inst->filename)); goto errLabel; } errLabel: return rc; } rc_t destroy( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; // close the audio file if((rc = audiofile::close( inst->afH )) != kOkRC ) { rc = cwLogError(rc,"Close failed on the audio output file '%s'.",inst->filename); goto errLabel; } mem::release(inst); errLabel: return rc; } rc_t value( instance_t* ctx, variable_t* var ) { rc_t rc = kOkRC; return rc; } rc_t exec( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; const abuf_t* src_abuf = nullptr; if((rc = var_get(ctx,kInPId,kAnyChIdx,src_abuf)) != kOkRC ) rc = cwLogError(kInvalidStateRC,"The audio file instance '%s' does not have a valid input connection.",ctx->label); else { sample_t* chBuf[ src_abuf->chN ]; for(unsigned i=0; ichN; ++i) chBuf[i] = src_abuf->buf + (i*src_abuf->frameN); if((rc = audiofile::writeFloat(inst->afH, src_abuf->frameN, src_abuf->chN, chBuf )) != kOkRC ) rc = cwLogError(rc,"Audio file write failed on instance: '%s'.", ctx->label ); // print a minutes counter inst->durSmpN += src_abuf->frameN; if( inst->durSmpN % ((unsigned)src_abuf->srate*60) == 0 ) printf("%5.1f min\n", inst->durSmpN/(src_abuf->srate*60)); } return rc; } class_members_t members = { .create = create, .destroy = destroy, .value = value, .exec = exec, .report = nullptr }; } //------------------------------------------------------------------------------------------------------------------ // // sine_tone // namespace sine_tone { enum { kSratePId, kChCntPid, kFreqHzPId, kGainPId, kOutPId }; typedef struct { real_t gain; real_t hz; real_t phase; srate_t srate; unsigned chCnt; } inst_t; rc_t create( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = mem::allocZ(); ctx->userPtr = inst; // Register variables and get their current value if((rc = var_register_and_get( ctx, kAnyChIdx, kSratePId, "srate", inst->srate, kChCntPid, "chCnt", inst->chCnt, kFreqHzPId, "hz", inst->hz, kGainPId, "gain", inst->gain)) != kOkRC ) { goto errLabel; } // create one output audio buffer rc = var_register_and_set( ctx, "out", kOutPId, kAnyChIdx, inst->srate, inst->chCnt, ctx->ctx->framesPerCycle ); errLabel: return rc; } rc_t destroy( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; mem::release(inst); return rc; } rc_t value( instance_t* ctx, variable_t* var ) { rc_t rc = kOkRC; return rc; } rc_t exec( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; abuf_t* abuf = nullptr; // get the output signal buffer if((rc = var_get(ctx,kOutPId,kAnyChIdx,abuf)) != kOkRC ) { rc = cwLogError(kInvalidStateRC,"The Sine Tone instance '%s' does not have a valid audio output buffer.",ctx->label); } else { for(unsigned i=0; ichCnt; ++i) { sample_t* v = abuf->buf + (i*abuf->frameN); for(unsigned j=0; jframeN; ++j) v[j] = inst->gain * (sample_t)sin( inst->phase + (j*inst->srate/inst->hz)); } inst->phase += abuf->frameN*inst->srate/inst->hz; } return rc; } class_members_t members = { .create = create, .destroy = destroy, .value = value, .exec = exec, .report = nullptr }; } //------------------------------------------------------------------------------------------------------------------ // // Phase Vocoder (Analysis) // namespace pv_analysis { typedef struct dsp::pv_anl::obj_str pv_t; enum { kInPId, kHopSmpNPId, kWndSmpNPId, kHzFlPId, kOutPId }; typedef struct { pv_t** pvA; // pvA[ srcBuf.chN ] unsigned pvN; unsigned wndSmpN; unsigned hopSmpN; bool hzFl; } inst_t; rc_t create( instance_t* ctx ) { rc_t rc = kOkRC; const abuf_t* srcBuf = nullptr; // unsigned flags = 0; inst_t* inst = mem::allocZ(); ctx->userPtr = inst; if((rc = var_register_and_get( ctx, kAnyChIdx, kInPId, "in", srcBuf, kHopSmpNPId, "hopSmpN", inst->hopSmpN, kWndSmpNPId, "wndSmpN", inst->wndSmpN, kHzFlPId, "hzFl", inst->hzFl )) != kOkRC ) { goto errLabel; } else { flags = inst->hzFl ? dsp::pv_anl::kCalcHzPvaFl : dsp::pv_anl::kNoCalcHzPvaFl; inst->pvN = srcBuf->chN; inst->pvA = mem::allocZ( inst->pvN ); // allocate pv channel array const sample_t* magV[ srcBuf->chN ]; const sample_t* phsV[ srcBuf->chN ]; const sample_t* hzV[ srcBuf->chN ]; // create a pv anlaysis object for each input channel for(unsigned i=0; ichN; ++i) { if((rc = create( inst->pvA[i], ctx->ctx->framesPerCycle, srcBuf->srate, inst->wndSmpN, inst->hopSmpN, flags )) != kOkRC ) { rc = cwLogError(kOpFailRC,"The PV analysis object create failed on the instance '%s'.",ctx->label); goto errLabel; } magV[i] = inst->pvA[i]->magV; phsV[i] = inst->pvA[i]->phsV; hzV[i] = inst->pvA[i]->hzV; } if((rc = var_register( ctx, kAnyChIdx, kInPId, "in" )) != kOkRC ) goto errLabel; // create the fbuf 'out' rc = var_register_and_set( ctx, "out", kOutPId, kAnyChIdx, srcBuf->srate, srcBuf->chN, inst->pvA[0]->binCnt, inst->pvA[0]->hopSmpCnt, magV, phsV, hzV ); } errLabel: return rc; } rc_t destroy( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; for(unsigned i=0; ipvN; ++i) destroy(inst->pvA[i]); mem::release(inst->pvA); mem::release(inst); return rc; } rc_t value( instance_t* ctx, variable_t* var ) { rc_t rc = kOkRC; return rc; } rc_t exec( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; const abuf_t* srcBuf = nullptr; fbuf_t* dstBuf = nullptr; // verify that a source buffer exists if((rc = var_get(ctx,kInPId, kAnyChIdx, srcBuf )) != kOkRC ) { rc = cwLogError(rc,"The instance '%s' does not have a valid input connection.",ctx->label); goto errLabel; } // verify that the dst buffer exits if((rc = var_get(ctx,kOutPId, kAnyChIdx, dstBuf)) != kOkRC ) { rc = cwLogError(rc,"The instance '%s' does not have a valid output.",ctx->label); goto errLabel; } // for each input channel for(unsigned i=0; ichN; ++i) { dstBuf->readyFlV[i] = false; // call the PV analysis processor if( dsp::pv_anl::exec( inst->pvA[i], srcBuf->buf + i*srcBuf->frameN, srcBuf->frameN ) ) { // rescale the frequency domain magnitude vop::mul(dstBuf->magV[i], dstBuf->binN/2, dstBuf->binN); dstBuf->readyFlV[i] = true; } } errLabel: return rc; } class_members_t members = { .create = create, .destroy = destroy, .value = value, .exec = exec, .report = nullptr }; } //------------------------------------------------------------------------------------------------------------------ // // Phase Vocoder (Synthesis) // namespace pv_synthesis { typedef struct dsp::pv_syn::obj_str pv_t; enum { kInPId, kOutPId }; typedef struct { pv_t** pvA; // pvA[ srcBuf.chN ] unsigned pvN; unsigned wndSmpN; // unsigned hopSmpN; // bool hzFl; // } inst_t; rc_t create( instance_t* ctx ) { rc_t rc = kOkRC; const fbuf_t* srcBuf = nullptr; // inst_t* inst = mem::allocZ(); ctx->userPtr = inst; if((rc = var_register_and_get( ctx, kAnyChIdx,kInPId, "in", srcBuf)) != kOkRC ) { goto errLabel; } else { // allocate pv channel array inst->pvN = srcBuf->chN; inst->pvA = mem::allocZ( inst->pvN ); // create a pv anlaysis object for each input channel for(unsigned i=0; ichN; ++i) { unsigned wndSmpN = (srcBuf->binN-1)*2; if((rc = create( inst->pvA[i], ctx->ctx->framesPerCycle, srcBuf->srate, wndSmpN, srcBuf->hopSmpN )) != kOkRC ) { rc = cwLogError(kOpFailRC,"The PV synthesis object create failed on the instance '%s'.",ctx->label); goto errLabel; } } if((rc = var_register( ctx, kAnyChIdx, kInPId, "in" )) != kOkRC ) goto errLabel; // create the abuf 'out' rc = var_register_and_set( ctx, "out", kOutPId, kAnyChIdx, srcBuf->srate, srcBuf->chN, ctx->ctx->framesPerCycle ); } errLabel: return rc; } rc_t destroy( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; for(unsigned i=0; ipvN; ++i) destroy(inst->pvA[i]); mem::release(inst->pvA); mem::release(inst); return rc; } rc_t value( instance_t* ctx, variable_t* var ) { rc_t rc = kOkRC; return rc; } rc_t exec( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; const fbuf_t* srcBuf = nullptr; abuf_t* dstBuf = nullptr; // get the src buffer if((rc = var_get(ctx,kInPId, kAnyChIdx, srcBuf )) != kOkRC ) goto errLabel; // get the dst buffer if((rc = var_get(ctx,kOutPId, kAnyChIdx, dstBuf)) != kOkRC ) goto errLabel; for(unsigned i=0; ichN; ++i) { if( srcBuf->readyFlV[i] ) dsp::pv_syn::exec( inst->pvA[i], srcBuf->magV[i], srcBuf->phsV[i] ); const sample_t* ola_out = dsp::ola::execOut(inst->pvA[i]->ola); if( ola_out != nullptr ) abuf_set_channel( dstBuf, i, ola_out, inst->pvA[i]->ola->procSmpCnt ); //abuf_set_channel( dstBuf, i, inst->pvA[i]->ola->outV, dstBuf->frameN ); } errLabel: return rc; } class_members_t members = { .create = create, .destroy = destroy, .value = value, .exec = exec, .report = nullptr }; } //------------------------------------------------------------------------------------------------------------------ // // Spec Dist // namespace spec_dist { typedef struct dsp::spec_dist::obj_str spec_dist_t; enum { kInPId, kCeilingPId, kExpoPId, kThreshPId, kUprSlopePId, kLwrSlopePId, kMixPId, kOutPId, }; typedef struct { spec_dist_t** sdA; unsigned sdN; } inst_t; rc_t create( instance_t* ctx ) { rc_t rc = kOkRC; const fbuf_t* srcBuf = nullptr; // inst_t* inst = mem::allocZ(); ctx->userPtr = inst; // verify that a source buffer exists if((rc = var_register_and_get(ctx, kAnyChIdx,kInPId,"in",srcBuf )) != kOkRC ) { rc = cwLogError(rc,"The instance '%s' does not have a valid input connection.",ctx->label); goto errLabel; } else { // allocate pv channel array inst->sdN = srcBuf->chN; inst->sdA = mem::allocZ( inst->sdN ); const sample_t* magV[ srcBuf->chN ]; const sample_t* phsV[ srcBuf->chN ]; const sample_t* hzV[ srcBuf->chN ]; //if((rc = var_register(ctx, kAnyChIdx, kInPId, "in")) != kOkRC ) // goto errLabel; // create a spec_dist object for each input channel for(unsigned i=0; ichN; ++i) { if((rc = create( inst->sdA[i], srcBuf->binN )) != kOkRC ) { rc = cwLogError(kOpFailRC,"The 'spec dist' object create failed on the instance '%s'.",ctx->label); goto errLabel; } // setup the output buffer pointers magV[i] = inst->sdA[i]->outMagV; phsV[i] = inst->sdA[i]->outPhsV; hzV[i] = nullptr; spec_dist_t* sd = inst->sdA[i]; if((rc = var_register_and_get( ctx, i, kCeilingPId, "ceiling", sd->ceiling, kExpoPId, "expo", sd->expo, kThreshPId, "thresh", sd->thresh, kUprSlopePId, "upr", sd->uprSlope, kLwrSlopePId, "lwr", sd->lwrSlope, kMixPId, "mix", sd->mix )) != kOkRC ) { goto errLabel; } } // create the output buffer if((rc = var_register_and_set( ctx, "out", kOutPId, kAnyChIdx, srcBuf->srate, srcBuf->chN, srcBuf->binN, srcBuf->hopSmpN, magV, phsV, hzV )) != kOkRC ) goto errLabel; } errLabel: return rc; } rc_t destroy( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; for(unsigned i=0; isdN; ++i) destroy(inst->sdA[i]); mem::release(inst->sdA); mem::release(inst); return rc; } rc_t value( instance_t* ctx, variable_t* var ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; if( var->chIdx != kAnyChIdx && var->chIdx < inst->sdN ) { switch( var->vid ) { case kCeilingPId: var_get( var, inst->sdA[ var->chIdx ]->ceiling ); break; case kExpoPId: var_get( var, inst->sdA[ var->chIdx ]->expo ); break; case kThreshPId: var_get( var, inst->sdA[ var->chIdx ]->thresh ); break; case kUprSlopePId: var_get( var, inst->sdA[ var->chIdx ]->uprSlope ); break; case kLwrSlopePId: var_get( var, inst->sdA[ var->chIdx ]->lwrSlope ); break; case kMixPId: var_get( var, inst->sdA[ var->chIdx ]->mix ); break; default: cwLogWarning("Unhandled variable id '%i' on instance: %s.", var->vid, ctx->label ); } } return rc; } rc_t exec( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; const fbuf_t* srcBuf = nullptr; fbuf_t* dstBuf = nullptr; unsigned chN = 0; // get the src buffer if((rc = var_get(ctx,kInPId, kAnyChIdx, srcBuf )) != kOkRC ) goto errLabel; // get the dst buffer if((rc = var_get(ctx,kOutPId, kAnyChIdx, dstBuf)) != kOkRC ) goto errLabel; chN = std::min(srcBuf->chN,inst->sdN); for(unsigned i=0; ireadyFlV[i] = false; if( srcBuf->readyFlV[i] ) { dsp::spec_dist::exec( inst->sdA[i], srcBuf->magV[i], srcBuf->phsV[i], srcBuf->binN ); dstBuf->readyFlV[i] = true; //If == 0 ) // printf("%f %f\n", vop::sum(srcBuf->magV[i],srcBuf->binN), vop::sum(dstBuf->magV[i], dstBuf->binN) ); } } errLabel: return rc; } class_members_t members = { .create = create, .destroy = destroy, .value = value, .exec = exec, .report = nullptr }; } //------------------------------------------------------------------------------------------------------------------ // // Compressor // namespace compressor { enum { kInPId, kBypassPId, kInGainPId, kThreshPId, kRatioPId, kAtkMsPId, kRlsMsPId, kWndMsPId, kMaxWndMsPId, kOutGainPId, kOutPId, kEnvPId }; typedef dsp::compressor::obj_t compressor_t; typedef struct { compressor_t** cmpA; unsigned cmpN; } inst_t; rc_t create( instance_t* ctx ) { rc_t rc = kOkRC; const abuf_t* srcBuf = nullptr; // inst_t* inst = mem::allocZ(); ctx->userPtr = inst; // verify that a source buffer exists if((rc = var_register_and_get(ctx, kAnyChIdx,kInPId,"in",srcBuf )) != kOkRC ) { rc = cwLogError(rc,"The instance '%s' does not have a valid input connection.",ctx->label); goto errLabel; } else { // allocate pv channel array inst->cmpN = srcBuf->chN; inst->cmpA = mem::allocZ( inst->cmpN ); // create a compressor object for each input channel for(unsigned i=0; ichN; ++i) { real_t igain, maxWnd_ms, wnd_ms, thresh, ratio, atk_ms, rls_ms, ogain, bypassFl; // get the compressor variable values if((rc = var_register_and_get( ctx, i, kBypassPId, "bypass", bypassFl, kInGainPId, "igain", igain, kThreshPId, "thresh", thresh, kRatioPId, "ratio", ratio, kAtkMsPId, "atk_ms", atk_ms, kRlsMsPId, "rls_ms", rls_ms, kWndMsPId, "wnd_ms", wnd_ms, kMaxWndMsPId, "maxWnd_ms", maxWnd_ms, kOutGainPId, "ogain", ogain )) != kOkRC ) { goto errLabel; } // create the compressor instance if((rc = dsp::compressor::create( inst->cmpA[i], srcBuf->srate, srcBuf->frameN, igain, maxWnd_ms, wnd_ms, thresh, ratio, atk_ms, rls_ms, ogain, bypassFl)) != kOkRC ) { rc = cwLogError(kOpFailRC,"The 'compressor' object create failed on the instance '%s'.",ctx->label); goto errLabel; } } // create the output audio buffer if((rc = var_register_and_set( ctx, "out", kOutPId, kAnyChIdx, srcBuf->srate, srcBuf->chN, srcBuf->frameN )) != kOkRC ) goto errLabel; } errLabel: return rc; } rc_t destroy( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; for(unsigned i=0; icmpN; ++i) destroy(inst->cmpA[i]); mem::release(inst->cmpA); mem::release(inst); return rc; } rc_t value( instance_t* ctx, variable_t* var ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; real_t tmp; if( var->chIdx != kAnyChIdx && var->chIdx < inst->cmpN ) { switch( var->vid ) { case kBypassPId: var_get( var, inst->cmpA[ var->chIdx ]->bypassFl ); break; case kInGainPId: var_get( var, inst->cmpA[ var->chIdx ]->inGain ); break; case kOutGainPId: var_get( var, inst->cmpA[ var->chIdx ]->outGain ); break; case kRatioPId: var_get( var, inst->cmpA[ var->chIdx ]->ratio_num ); break; case kThreshPId: var_get( var, inst->cmpA[ var->chIdx ]->threshDb ); break; case kAtkMsPId: var_get( var, tmp ); set_attack_ms(inst->cmpA[ var->chIdx ], tmp ); break; case kRlsMsPId: var_get( var, tmp ); set_release_ms(inst->cmpA[ var->chIdx ], tmp ); break; case kWndMsPId: var_get( var, tmp ); set_rms_wnd_ms(inst->cmpA[ var->chIdx ], tmp ); break; default: cwLogWarning("Unhandled variable id '%i' on instance: %s.", var->vid, ctx->label ); } } return rc; } rc_t exec( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; const abuf_t* srcBuf = nullptr; abuf_t* dstBuf = nullptr; unsigned chN = 0; // get the src buffer if((rc = var_get(ctx,kInPId, kAnyChIdx, srcBuf )) != kOkRC ) goto errLabel; // get the dst buffer if((rc = var_get(ctx,kOutPId, kAnyChIdx, dstBuf)) != kOkRC ) goto errLabel; chN = std::min(srcBuf->chN,inst->cmpN); for(unsigned i=0; icmpA[i], srcBuf->buf + i*srcBuf->frameN, dstBuf->buf + i*srcBuf->frameN, srcBuf->frameN ); } errLabel: return rc; } rc_t report( instance_t* ctx ) { rc_t rc = kOkRC; inst_t* inst = (inst_t*)ctx->userPtr; for(unsigned i=0; icmpN; ++i) { compressor_t* c = inst->cmpA[i]; cwLogInfo("%s ch:%i : sr:%f bypass:%i procSmpN:%i igain:%f threshdb:%f ratio:%f atkSmp:%i rlsSmp:%i ogain:%f rmsWndN:%i maxRmsWndN%i", ctx->label,i,c->srate,c->bypassFl,c->procSmpCnt,c->inGain,c->threshDb,c->ratio_num,c->atkSmp,c->rlsSmp,c->outGain,c->rmsWndCnt,c->rmsWndAllocCnt ); } return rc; } class_members_t members = { .create = create, .destroy = destroy, .value = value, .exec = exec, .report = report }; } } }