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libcw/cwFlowProc.cpp
kevin daa4e2355c cwFlowProc.h/cpp,cwFlow.cpp,proc_dict.cfg : Added 'audio_silence'. 
Added periodic console reporting from 'audio_meter'.
Added gain based termination to 'midi_voice'.
Added 'test_key_pitch' to 'piano_voice'.
2024-07-11 11:05:40 -04:00

7617 lines
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#include "cwCommon.h"
#include "cwLog.h"
#include "cwCommonImpl.h"
#include "cwTest.h"
#include "cwMem.h"
#include "cwText.h"
#include "cwObject.h"
#include "cwAudioFile.h"
#include "cwVectOps.h"
#include "cwMtx.h"
#include "cwDspTypes.h" // srate_t, sample_t, coeff_t, ...
#include "cwTime.h"
#include "cwMidiDecls.h"
#include "cwMidi.h"
#include "cwMidiFile.h"
#include "cwFlowDecl.h"
#include "cwFlow.h"
#include "cwFlowTypes.h"
#include "cwFlowNet.h"
#include "cwFlowProc.h"
#include "cwFile.h"
#include "cwMath.h"
#include "cwDsp.h"
#include "cwAudioTransforms.h"
#include "cwDspTransforms.h"
#include "cwMidiDecls.h"
#include "cwWaveTableBank.h"
namespace cw
{
namespace flow
{
template< typename inst_t >
rc_t std_destroy( proc_t* proc )
{
inst_t* p = (inst_t*)proc->userPtr;
rc_t rc = _destroy(proc,p);
mem::release(proc->userPtr);
return rc;
}
template< typename inst_t >
rc_t std_create( proc_t* proc )
{
rc_t rc = kOkRC;
proc->userPtr = mem::allocZ<inst_t>();
if((rc = _create(proc,(inst_t*)proc->userPtr)) != kOkRC )
std_destroy<inst_t>(proc);
return rc;
}
template< typename inst_t >
rc_t std_value( proc_t* proc, variable_t* var )
{ return _value(proc,(inst_t*)proc->userPtr, var); }
template< typename inst_t >
rc_t std_exec( proc_t* proc )
{ return _exec(proc,(inst_t*)proc->userPtr); }
template< typename inst_t >
rc_t std_report( proc_t* proc )
{ return _report(proc,(inst_t*)proc->userPtr); }
//------------------------------------------------------------------------------------------------------------------
//
// Template
//
namespace template_proc
{
typedef struct
{
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
// Custom create code goes here
// Notes:
// 1. var_register_*() will automatically create any variables that don't already exist.
// therefore var_create() should never have to be called directly.
// 2. The variable 'vid' value must be unique across all ('label','sfx-id') pairs but not across channels.
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
// Custom clean-up code goes here
return rc;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
rc_t rc = kOkRC;
return rc;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// subnet
//
namespace subnet
{
typedef struct
{
network_t net;
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
const object_t* networkCfg = nullptr;
if((rc = proc->class_desc->cfg->getv("network",networkCfg)) != kOkRC )
{
rc = cwLogError(rc,"The subnet 'network' cfg. was not found.");
goto errLabel;
}
if((rc = network_create(proc->ctx,networkCfg,p->net,proc->varL)) != kOkRC )
{
rc = cwLogError(rc,"Creation failed on the subnet internal network.");
goto errLabel;
}
// Set the internal net pointer in the base proc instance
// so that network based utilities can scan it
proc->internal_net = &p->net;
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
network_destroy(p->net);
return rc;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
rc_t rc = kOkRC;
return rc;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
if((rc = exec_cycle(p->net)) != kOkRC )
rc = cwLogError(rc,"poly internal network exec failed.");
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// poly
//
namespace poly
{
enum
{
kCountPId,
kOrderPId,
};
typedef struct
{
unsigned count;
network_t net;
network_order_id_t orderId;
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = mem::allocZ<inst_t>();
const object_t* networkCfg = nullptr;
const char* order_label = nullptr;
variable_t* proxyVarL = nullptr;
proc->userPtr = inst;
if((rc = var_register_and_get( proc, kAnyChIdx,
kCountPId, "count", kBaseSfxId, inst->count,
kOrderPId, "order", kBaseSfxId, order_label )) != kOkRC )
goto errLabel;
if( inst->count == 0 )
{
cwLogWarning("The 'poly' %s:%i was given a count of 0.",proc->label,proc->label_sfx_id);
goto errLabel;
}
if((rc = proc->proc_cfg->getv("network",networkCfg)) != kOkRC )
{
rc = cwLogError(rc,"The 'network' cfg. was not found.");
goto errLabel;
}
// get the network exec. order type
if( textIsEqual(order_label,"net") )
inst->orderId = kNetFirstPolyOrderId;
else
{
if( textIsEqual(order_label,"proc") )
inst->orderId = kProcFirstPolyOrderId;
else
{
rc = cwLogError(kInvalidArgRC,"'%s' is not one of the valid order types (i.e. 'net','proc').",order_label);
goto errLabel;
}
}
if((rc = network_create(proc->ctx,networkCfg,inst->net,proxyVarL,inst->count)) != kOkRC )
{
rc = cwLogError(rc,"Creation failed on the internal network.");
goto errLabel;
}
// Set the internal net pointer in the base proc instance
// so that network based utilities can scan it
proc->internal_net = &inst->net;
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
inst_t* p = (inst_t*)proc->userPtr;
network_destroy(p->net);
mem::release( proc->userPtr );
return kOkRC;
}
rc_t value( proc_t* proc, variable_t* var )
{
return kOkRC;
}
rc_t exec( proc_t* proc )
{
inst_t* p = (inst_t*)proc->userPtr;
rc_t rc = kOkRC;
if((rc = exec_cycle(p->net)) != kOkRC )
{
rc = cwLogError(rc,"poly internal network exec failed.");
}
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// balance
//
namespace balance
{
enum
{
kInPId,
kOutPId,
kInvOutPId
};
typedef struct
{
coeff_t value;
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
coeff_t in_value = 0.5;
proc->userPtr = mem::allocZ<inst_t>();
if((rc = var_register_and_get( proc, kAnyChIdx, kInPId, "in", kBaseSfxId, in_value )) != kOkRC )
goto errLabel;
if((rc = var_register_and_set( proc, kAnyChIdx,
kOutPId, "out", kBaseSfxId, in_value,
kInvOutPId, "inv_out", kBaseSfxId, (coeff_t)(1.0-in_value) )) != kOkRC )
{
goto errLabel;
}
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
mem::release( proc->userPtr );
return kOkRC;
}
rc_t value( proc_t* proc, variable_t* var )
{
return kOkRC;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)(proc->userPtr);
coeff_t value = 1;
var_get(proc, kInPId, kAnyChIdx, value);
var_set(proc, kOutPId, kAnyChIdx, value);
var_set(proc, kInvOutPId, kAnyChIdx, (coeff_t)(1.0 - value) );
if( inst->value != value )
{
inst->value = value;
}
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// midi_in
//
namespace midi_in
{
enum
{
kDevLabelPId,
kPortLabelPId,
kOutPId
};
typedef struct
{
midi::ch_msg_t* buf;
unsigned bufN;
bool dev_filt_fl;
bool port_filt_fl;
external_device_t* ext_dev;
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
const char* dev_label = nullptr;
const char* port_label = nullptr;
inst_t* inst = mem::allocZ<inst_t>();
proc->userPtr = inst;
// Register variable and get their current value
if((rc = var_register_and_get( proc, kAnyChIdx,
kDevLabelPId, "dev_label", kBaseSfxId, dev_label,
kPortLabelPId, "port_label", kBaseSfxId, port_label )) != kOkRC )
{
goto errLabel;
}
if((rc = var_register( proc, kAnyChIdx, kOutPId, "out", kBaseSfxId)) != kOkRC )
{
goto errLabel;
}
inst->dev_filt_fl = true;
inst->port_filt_fl = true;
if( textIsEqual(dev_label,"<all>") )
{
inst->dev_filt_fl = false;
dev_label = nullptr;
}
if( textIsEqual(port_label,"<all>") )
{
inst->port_filt_fl = false;
port_label = nullptr;
}
if((inst->ext_dev = external_device_find( proc->ctx, dev_label, kMidiDevTypeId, kInFl, port_label )) == nullptr )
{
rc = cwLogError(kOpFailRC,"The MIDI input device '%s' port '%s' could not be found.", cwStringNullGuard(dev_label), cwStringNullGuard(port_label));
goto errLabel;
}
// Allocate a buffer large enough to hold the max. number of messages arriving on a single call to exec().
inst->bufN = inst->ext_dev->u.m.maxMsgCnt;
inst->buf = mem::allocZ<midi::ch_msg_t>( inst->bufN );
// create one output MIDI buffer
rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, nullptr, 0 );
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
mem::release(inst->buf);
mem::release(inst);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{ return kOkRC; }
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
mbuf_t* mbuf = nullptr;
// get the output variable
if((rc = var_get(proc,kOutPId,kAnyChIdx,mbuf)) != kOkRC )
{
rc = cwLogError(kInvalidStateRC,"The MIDI file instance '%s' does not have a valid MIDI output buffer.",proc->label);
}
else
{
mbuf->msgA = nullptr;
mbuf->msgN = 0;
// if the device filter is not set
if( !inst->dev_filt_fl)
{
mbuf->msgA = inst->ext_dev->u.m.msgArray;
mbuf->msgN = inst->ext_dev->u.m.msgCnt;
}
else // the device filter is set
{
const midi::ch_msg_t* m = inst->ext_dev->u.m.msgArray;
unsigned j = 0;
for(unsigned i=0; i<inst->ext_dev->u.m.msgCnt && j<inst->bufN; ++i)
if( m->devIdx == inst->ext_dev->ioDevIdx && (!inst->port_filt_fl || m->portIdx == inst->ext_dev->ioPortIdx) )
inst->buf[j++] = m[i];
mbuf->msgN = j;
mbuf->msgA = inst->buf;
}
}
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// midi_out
//
namespace midi_out
{
enum
{
kDevLabelPId,
kPortLabelPId,
kBufMsgCntPId,
kInPId,
};
typedef struct
{
external_device_t* ext_dev;
unsigned inVarN;
unsigned msgN;
midi::ch_msg_t* msgA;
unsigned msg_idx;
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC; //
const char* dev_label = nullptr;
const char* port_label = nullptr;
unsigned inVarN = var_mult_count(proc,"in");
mbuf_t* mbuf = nullptr;
unsigned sfxIdA[ inVarN ];
// get the the sfx_id's of the input audio variables
if((rc = var_mult_sfx_id_array(proc, "in", sfxIdA, inVarN, p->inVarN )) != kOkRC )
goto errLabel;
std::sort(sfxIdA, sfxIdA + p->inVarN, [](unsigned& a,unsigned& b){ return a<b; } );
// Register variables and get their current value
if((rc = var_register_and_get( proc, kAnyChIdx,
kDevLabelPId, "dev_label", kBaseSfxId, dev_label,
kPortLabelPId,"port_label", kBaseSfxId, port_label,
kInPId, "in", kBaseSfxId, mbuf,
kBufMsgCntPId,"buf_cnt", kBaseSfxId, p->msgN )) != kOkRC )
{
goto errLabel;
}
if((p->ext_dev = external_device_find( proc->ctx, dev_label, kMidiDevTypeId, kOutFl, port_label )) == nullptr )
{
rc = cwLogError(kOpFailRC,"The audio output device description '%s' could not be found.", cwStringNullGuard(dev_label));
goto errLabel;
}
p->msgA = mem::allocZ<midi::ch_msg_t>(p->msgN);
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
mem::release(p->msgA);
return kOkRC;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
return kOkRC;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
const mbuf_t* src_mbuf = nullptr;
if((rc = var_get(proc,kInPId,kAnyChIdx,src_mbuf)) != kOkRC )
rc = cwLogError(kInvalidStateRC,"The MIDI output instance '%s' does not have a valid input connection.",proc->label);
else
{
for(unsigned i=0; i<src_mbuf->msgN; ++i)
{
const midi::ch_msg_t* m = src_mbuf->msgA + i;
p->ext_dev->u.m.sendTripleFunc( p->ext_dev, m->ch, m->status, m->d0, m->d1 );
}
}
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// audio_in
//
namespace audio_in
{
enum
{
kDevLabelPId,
kOutPId
};
typedef struct
{
const char* dev_label;
external_device_t* ext_dev;
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = mem::allocZ<inst_t>();
proc->userPtr = inst;
// Register variable and get their current value
if((rc = var_register_and_get( proc, kAnyChIdx, kDevLabelPId, "dev_label", kBaseSfxId, inst->dev_label )) != kOkRC )
{
goto errLabel;
}
if((inst->ext_dev = external_device_find( proc->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( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, inst->ext_dev->u.a.abuf->srate, inst->ext_dev->u.a.abuf->chN, proc->ctx->framesPerCycle );
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
mem::release(inst);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
abuf_t* abuf = nullptr;
// verify that a source buffer exists
if((rc = var_get(proc,kOutPId,kAnyChIdx,abuf)) != kOkRC )
{
rc = cwLogError(kInvalidStateRC,"The audio input instance '%s' does not have a valid audio output buffer.",proc->label);
}
else
{
unsigned chN = std::min(inst->ext_dev->u.a.abuf->chN, abuf->chN );
unsigned frameN = std::min(inst->ext_dev->u.a.abuf->frameN, abuf->frameN );
memcpy(abuf->buf,inst->ext_dev->u.a.abuf->buf, frameN*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( proc_t* proc )
{
rc_t rc = kOkRC; //
inst_t* inst = mem::allocZ<inst_t>(); //
const abuf_t* src_abuf = nullptr;
proc->userPtr = inst;
// Register variables and get their current value
if((rc = var_register_and_get( proc, kAnyChIdx,
kDevLabelPId, "dev_label", kBaseSfxId, inst->dev_label,
kInPId, "in", kBaseSfxId, src_abuf)) != kOkRC )
{
goto errLabel;
}
if((inst->ext_dev = external_device_find( proc->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( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
mem::release(inst);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
const abuf_t* src_abuf = nullptr;
if((rc = var_get(proc,kInPId,kAnyChIdx,src_abuf)) != kOkRC )
rc = cwLogError(kInvalidStateRC,"The audio file instance '%s' does not have a valid input connection.",proc->label);
else
{
unsigned chN = std::min(inst->ext_dev->u.a.abuf->chN, src_abuf->chN);
unsigned frameN = std::min(inst->ext_dev->u.a.abuf->frameN, src_abuf->frameN);
unsigned n = chN * frameN;
for(unsigned i=0; i<n; ++i)
inst->ext_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
};
}
//------------------------------------------------------------------------------------------------------------------
//
// audio_file_in
//
namespace audio_file_in
{
enum
{
kFnamePId,
kEofFlPId,
kOnOffFlPId,
kSeekSecsPId,
kOutPId
};
typedef struct
{
audiofile::handle_t afH;
bool eofFl;
char* filename;
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
audiofile::info_t info;
ftime_t seekSecs;
const char* fname = nullptr;
inst_t* inst = mem::allocZ<inst_t>();
proc->userPtr = inst;
if((rc = var_register( proc, kAnyChIdx, kOnOffFlPId, "on_off", kBaseSfxId)) != kOkRC )
{
goto errLabel;
}
// Register variable and get their current value
if((rc = var_register_and_get( proc, kAnyChIdx,
kFnamePId, "fname", kBaseSfxId, fname,
kSeekSecsPId, "seekSecs", kBaseSfxId, seekSecs,
kEofFlPId, "eofFl", kBaseSfxId, inst->eofFl )) != kOkRC )
{
goto errLabel;
}
if((inst->filename = proc_expand_filename(proc,fname)) == nullptr )
{
rc = cwLogError(kInvalidArgRC,"The audio output filename could not be formed.");
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;
}
if((rc = seek( inst->afH, (unsigned)lround(seekSecs*info.srate) )) != kOkRC )
{
rc = cwLogError(kInvalidArgRC,"The audio file '%s' could not seek to offset %f seconds.",seekSecs);
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 - with the same configuration as the source audio file
rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, info.srate, info.chCnt, proc->ctx->framesPerCycle );
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->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->filename);
mem::release(inst);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
ftime_t seekSecs = 0;
inst_t* inst = (inst_t*)proc->userPtr;
if((rc = var_get(proc,kSeekSecsPId,kAnyChIdx,seekSecs)) != kOkRC )
goto errLabel;
if((rc = seek( inst->afH, (unsigned)lround(seekSecs * audiofile::sampleRate(inst->afH) ) )) != kOkRC )
{
rc = cwLogError(kInvalidArgRC,"The audio file '%s' could not seek to offset %f seconds.",seekSecs);
goto errLabel;
}
errLabel:
return kOkRC;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
unsigned actualFrameN = 0;
inst_t* inst = (inst_t*)proc->userPtr;
abuf_t* abuf = nullptr;
bool onOffFl = false;
// get the 'on-off; flag
if((rc = var_get(proc,kOnOffFlPId,kAnyChIdx,onOffFl)) != kOkRC )
goto errLabel;
// verify that a source buffer exists
if((rc = var_get(proc,kOutPId,kAnyChIdx,abuf)) != kOkRC )
{
rc = cwLogError(kInvalidStateRC,"The audio file instance '%s' does not have a valid audio output buffer.",proc->label);
}
else
{
sample_t* chBuf[ abuf->chN ];
for(unsigned i=0; i<abuf->chN; ++i)
{
chBuf[i] = abuf->buf + (i*abuf->frameN);
// if the on/off flag is not set - then fill the output buffer with zeros
if( !onOffFl )
vop::zero(chBuf[i],abuf->frameN);
}
// if the on/off flag is set then read from audio file
if( onOffFl )
rc = readFloat(inst->afH, abuf->frameN, 0, abuf->chN, chBuf, &actualFrameN );
if( inst->eofFl && actualFrameN == 0)
rc = kEofRC;
}
errLabel:
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// audio_file_out
//
namespace audio_file_out
{
enum
{
kInPId,
kFnamePId,
kBitsPId
};
typedef struct
{
audiofile::handle_t afH;
char* filename;
unsigned durSmpN;
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC; //
unsigned audioFileBits = 0; // set audio file sample format to 'float32'.
inst_t* inst = mem::allocZ<inst_t>(); //
const abuf_t* src_abuf = nullptr;
const char* fname = nullptr;
proc->userPtr = inst;
// Register variables and get their current value
if((rc = var_register_and_get( proc, kAnyChIdx,
kFnamePId, "fname", kBaseSfxId, fname,
kBitsPId, "bits", kBaseSfxId, audioFileBits,
kInPId, "in", kBaseSfxId, src_abuf )) != kOkRC )
{
goto errLabel;
}
if((inst->filename = proc_expand_filename(proc,fname)) == nullptr )
{
rc = cwLogError(kInvalidArgRC,"The audio output filename could not be formed.");
goto errLabel;
}
// create the audio file with the same channel count as the incoming signal
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( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->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->filename);
mem::release(inst);
errLabel:
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
const abuf_t* src_abuf = nullptr;
if((rc = var_get(proc,kInPId,kAnyChIdx,src_abuf)) != kOkRC )
rc = cwLogError(kInvalidStateRC,"The audio file instance '%s' does not have a valid input connection.",proc->label);
else
{
sample_t* chBuf[ src_abuf->chN ];
for(unsigned i=0; i<src_abuf->chN; ++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'.", proc->label );
// print a minutes counter
inst->durSmpN += src_abuf->frameN;
if( src_abuf->srate!=0 && inst->durSmpN % ((unsigned)src_abuf->srate*60) == 0 )
printf("audio file out: %5.1f min\n", inst->durSmpN/(src_abuf->srate*60));
//if( 48000 <= inst->durSmpN && inst->durSmpN < 49000 )
// printf("break\n");
}
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// audio_gain
//
namespace audio_gain
{
enum
{
kInPId,
kGainPId,
kOutPId
};
typedef struct inst_str
{
unsigned n;
coeff_t vgain;
coeff_t gain;
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
const abuf_t* abuf = nullptr; //
proc->userPtr = mem::allocZ<inst_t>();
// get the source audio buffer
if((rc = var_register_and_get(proc, kAnyChIdx,kInPId,"in",kBaseSfxId,abuf )) != kOkRC )
goto errLabel;
// register the gain
for(unsigned i=0; i<abuf->chN; ++i)
if((rc = var_register( proc, i, kGainPId, "gain", kBaseSfxId )) != kOkRC )
goto errLabel;
// create the output audio buffer
rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, abuf->srate, abuf->chN, abuf->frameN );
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
inst_t* inst = (inst_t*)(proc->userPtr);
mem::release(inst);
return kOkRC;
}
rc_t value( proc_t* proc, variable_t* var )
{
coeff_t value = 0;
inst_t* inst = (inst_t*)proc->userPtr;
var_get(proc,kGainPId,0,value);
if( inst->vgain != value )
{
inst->vgain = value;
//printf("VALUE GAIN: %s %s : %f\n", proc->label, var->label, value );
}
return kOkRC;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
const abuf_t* ibuf = nullptr;
abuf_t* obuf = nullptr;
inst_t* inst = (inst_t*)(proc->userPtr);
// get the src buffer
if((rc = var_get(proc,kInPId, kAnyChIdx, ibuf )) != kOkRC )
goto errLabel;
// get the dst buffer
if((rc = var_get(proc,kOutPId, kAnyChIdx, obuf)) != kOkRC )
goto errLabel;
// for each channel
for(unsigned i=0; i<ibuf->chN; ++i)
{
sample_t* isig = ibuf->buf + i*ibuf->frameN;
sample_t* osig = obuf->buf + i*obuf->frameN;
sample_t gain = 1;
var_get(proc,kGainPId,i,gain);
// apply the gain
for(unsigned j=0; j<ibuf->frameN; ++j)
osig[j] = gain * isig[j];
if( i==0 && gain != inst->gain )
{
inst->gain = gain;
//printf("EXEC GAIN: %s %f\n",proc->label,gain);
//proc_print(proc);
}
}
errLabel:
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// audio_split
//
namespace audio_split
{
enum {
kInPId,
kSelectPId,
kInGainPId,
kOutGainPId
};
typedef struct out_var_str
{
unsigned audioChN;
coeff_t* ogainV; // ogainV[ audioChN ]
unsigned* iChIdxV; // inChIdx[ audioChN ]
} out_var_t;
typedef struct
{
unsigned oVarN; // count of output variables
out_var_t* oVarA; // oVarA[ oVarN ]
unsigned baseOutPId;
unsigned iChN; // count of input audio channels
coeff_t* igainV; // igainV[ inChN ] input ch. gain coeff's
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
const abuf_t* abuf = nullptr; //
const object_t* selList = nullptr;
unsigned selListN = 0;
unsigned* oVarSelMap = nullptr;
// get the source audio buffer
if((rc = var_register_and_get(proc, kAnyChIdx,
kInPId,"in",kBaseSfxId, abuf,
kSelectPId,"select",kBaseSfxId, selList )) != kOkRC )
{
goto errLabel;
}
// the input must not have 0 channels
if( abuf->chN == 0 )
goto errLabel;
// validate the channel input->output map
if( selList == nullptr || !selList->is_list() )
{
rc = cwLogError(kSyntaxErrorRC,"The 'audio_split' 'select' list has invalid syntax.");
goto errLabel;
}
// there must be one in->out map for each input channel
if(( selListN = selList->child_count()) != abuf->chN )
{
rc = cwLogError(kInvalidArgRC,"The 'audio_split' selection list must be the same length as the count of input channels:%i.",abuf->chN);
goto errLabel;
}
// convert in->out map to an array
oVarSelMap = mem::allocZ<unsigned>(selListN);
// determine the count of output variables
for(unsigned i = 0; i<selListN; ++i)
{
unsigned oVarIdx;
const object_t* listEle = selList->child_ele(i);
if( listEle == nullptr || (rc = listEle->value(oVarIdx)) != kOkRC )
{
rc = cwLogError(kInvalidArgRC,"The 'audio_split' selection list element at index %i is not a valid integer.",i);
goto errLabel;
}
// count the number of outputs
if( oVarIdx+1 > p->oVarN )
p->oVarN = oVarIdx+1;
oVarSelMap[i] = oVarIdx;
}
p->oVarA = mem::allocZ<out_var_t>(p->oVarN);
p->baseOutPId = kOutGainPId + p->oVarN;
// fill p->oVar[].audioChN with the count of channels for each output variable
for(unsigned i=0; i<selListN; ++i)
{
unsigned oVarIdx;
selList->child_ele(i)->value(oVarIdx);
p->oVarA[oVarIdx].audioChN += 1;
}
// for each output variable
for(unsigned i=0; i<p->oVarN; ++i)
{
out_var_t* ov = p->oVarA + i;
if( ov->audioChN == 0 )
{
cwLogWarning("No channels have been assigned to 'audio_split' output index %i on '%s:%i'.",i,cwStringNullGuard(proc->label),proc->label_sfx_id);
continue;
}
ov->ogainV = mem::allocZ<coeff_t>( ov->audioChN );
ov->iChIdxV = mem::allocZ<unsigned>(ov->audioChN );
// create the output signal variable
if((rc = var_register_and_set( proc, "out", kBaseSfxId + i, p->baseOutPId+i, kAnyChIdx, abuf->srate, ov->audioChN, abuf->frameN )) != kOkRC )
goto errLabel;
// register the ogain variables for this output and store the current gain values
for(unsigned j=0; j<ov->audioChN; ++j)
if((rc = var_register_and_get(proc, j, kOutGainPId + i,"ogain", kBaseSfxId + i, ov->ogainV[j])) != kOkRC )
goto errLabel;
// fill ov->iChIdV[] with the input channels that are mapped to this output var
for(unsigned iChIdx=0,k=0; iChIdx<selListN; ++iChIdx)
if( oVarSelMap[iChIdx] == i )
{
assert(k<ov->audioChN);
ov->iChIdxV[k++] = iChIdx;
}
}
p->iChN = abuf->chN;
p->igainV = mem::allocZ<coeff_t>(abuf->chN);
// register the input gain variables and store the current gain values
for(unsigned i=0; i<abuf->chN; ++i)
if((rc = var_register_and_get( proc, i, kInGainPId, "igain", kBaseSfxId, p->igainV[i] )) != kOkRC )
goto errLabel;
errLabel:
mem::release(oVarSelMap);
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
for(unsigned i=0; i<p->oVarN; ++i)
{
mem::release(p->oVarA[i].ogainV);
mem::release(p->oVarA[i].iChIdxV);
}
mem::release(p->oVarA);
mem::release(p->igainV);
return rc;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
rc_t rc = kOkRC;
switch( var->vid )
{
case kInPId:
break;
case kSelectPId:
break;
case kInGainPId:
// skip kAnyChIdx because individual channels exist will be sent
if(var->chIdx != kAnyChIdx )
rc = var_get(var,p->igainV[ var->chIdx ]);
break;
default:
// skip kAnyChIdx because individual channels exist and will be sent
if( kOutGainPId <= var->vid && var->vid < kOutGainPId + p->oVarN && var->chIdx != kAnyChIdx )
{
unsigned oVarIdx = var->label_sfx_id - kBaseSfxId;
assert( oVarIdx < p->oVarN && var->chIdx < p->oVarA[oVarIdx].audioChN );
rc = var_get(var,p->oVarA[ oVarIdx ].ogainV[var->chIdx]);
}
break;
break;
}
return rc;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
const abuf_t* ibuf = nullptr;
// get the input audio buffer
if((rc = var_get(proc,kInPId, kAnyChIdx, ibuf )) != kOkRC )
goto errLabel;
for(unsigned i=0; i<p->oVarN; ++i)
{
abuf_t* obuf = nullptr;
// get the ith output buffer
if((rc = var_get(proc, p->baseOutPId +i, kAnyChIdx, obuf)) != kOkRC )
goto errLabel;
for( unsigned oChIdx=0; oChIdx<obuf->chN; ++oChIdx)
{
unsigned iChIdx = p->oVarA[i].iChIdxV[oChIdx];
coeff_t ogain = p->oVarA[i].ogainV[oChIdx];
coeff_t igain = p->igainV[iChIdx];
coeff_t gain = igain * ogain;
sample_t* isig = ibuf->buf + iChIdx * ibuf->frameN;
sample_t* osig = obuf->buf + oChIdx * obuf->frameN;
for(unsigned j=0; j<ibuf->frameN; ++j)
osig[j] = gain * isig[j];
}
}
errLabel:
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// audio_duplicate
//
namespace audio_duplicate
{
enum {
kInPId,
kDuplicatePId,
kGainPId,
kOutPId,
};
typedef struct
{
unsigned* chDuplMap; // [ inChN ] duplicate channel map
unsigned outChN;
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
const abuf_t* abuf = nullptr; //
inst_t* inst = mem::allocZ<inst_t>();
proc->userPtr = inst;
// get the source audio buffer
if((rc = var_register_and_get(proc, kAnyChIdx,kInPId,"in",kBaseSfxId,abuf )) != kOkRC )
goto errLabel;
if( abuf->chN )
{
inst->chDuplMap = mem::allocZ<unsigned>(abuf->chN);
// register the gain
for(unsigned i=0; i<abuf->chN; ++i)
{
if((rc = var_register_and_get( proc, i, kDuplicatePId, "duplicate", kBaseSfxId, inst->chDuplMap[i] )) != kOkRC )
goto errLabel;
if( inst->chDuplMap[i] )
{
// register an input gain control
if((rc = var_register( proc, inst->outChN, kGainPId, "gain", kBaseSfxId)) != kOkRC )
goto errLabel;
// count the number of selected channels to determine the count of output channels
inst->outChN += inst->chDuplMap[i];
}
}
// create the output audio buffer
if( inst->outChN == 0 )
cwLogWarning("The audio split instance '%s' has no selected channels.",proc->label);
else
rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, abuf->srate, inst->outChN, abuf->frameN );
}
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
mem::release(inst->chDuplMap);
mem::release(inst);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
const abuf_t* ibuf = nullptr;
abuf_t* obuf = nullptr;
inst_t* inst = (inst_t*)proc->userPtr;
unsigned outChIdx = 0;
if( inst->outChN )
{
// get the src buffer
if((rc = var_get(proc,kInPId, kAnyChIdx, ibuf )) != kOkRC )
goto errLabel;
// get the dst buffer
if((rc = var_get(proc,kOutPId, kAnyChIdx, obuf)) != kOkRC )
goto errLabel;
// for each input channel
for(unsigned i=0; i<ibuf->chN && outChIdx<obuf->chN; ++i)
{
sample_t* isig = ibuf->buf + i * ibuf->frameN;
sample_t gain = 1;
var_get(proc,kGainPId,i,gain);
for(unsigned j=0; j<inst->chDuplMap[i]; ++j )
{
sample_t* osig = obuf->buf + j * obuf->frameN;
// apply the gain
for(unsigned k=0; k<ibuf->frameN; ++k)
osig[k] = gain * isig[k];
outChIdx += 1;
}
}
}
errLabel:
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// audio_mix
//
namespace audio_mix
{
enum {
kOutPId,
kOutGainPId,
kInBasePId,
};
typedef struct audio_gain_str
{
unsigned sfx_id; // sfx_id of both the audio and gain var's
unsigned audioChN; // count of audio channels
unsigned aVId; // (there can only be one audio var.)
unsigned gVId; // (there is one gain var. per audio channel)
coeff_t* gainV; // gainV[ audioChN ]
} audio_gain_t;
typedef struct
{
unsigned baseInGainPId;
unsigned baseOutGainPId;
unsigned inAudioVarCnt;
audio_gain_t oag;
audio_gain_t* iagV; // iagV[ inAudioVarCnt ]
} inst_t;
// Mix the the first N channels of the input audio signal from iag->aVId
// into the first N channels of the output signal.
rc_t _mix( proc_t* proc, audio_gain_t* iag, audio_gain_t* oag, abuf_t* obuf )
{
rc_t rc = kOkRC;
const abuf_t* ibuf = nullptr;
unsigned chN;
// get the input audio buffer
if((rc = var_get(proc, iag->aVId, kAnyChIdx, ibuf )) != kOkRC )
goto errLabel;
chN = std::min(ibuf->chN,obuf->chN);
for(unsigned i=0; i<chN; ++i)
{
const sample_t* isig = ibuf->buf + i*ibuf->frameN;
sample_t* osig = obuf->buf + i*obuf->frameN;
coeff_t gain = iag->gainV[i] * oag->gainV[i];
for(unsigned j=0; j<obuf->frameN; ++j)
osig[j] += gain * isig[j];
}
errLabel:
return rc;
}
// Be sure that there is a gain channel instantiated for every audio channel
// and fill ag->gainV[] with the current value of each pre-created gain variable.
// or the class default gain value if no pre-created gain variable exists.
rc_t _setup_gain( proc_t* proc, const char* var_label, unsigned sfx_id, unsigned a_vid, unsigned g_vid, unsigned audioChN, audio_gain_t* ag )
{
rc_t rc = kOkRC;
// setup the gain control record
ag->audioChN = audioChN;
ag->gainV = mem::allocZ<coeff_t>(audioChN);
ag->sfx_id = sfx_id;
ag->aVId = a_vid;
ag->gVId = g_vid;
vop::fill(ag->gainV,audioChN,1);
// register audio gain variables for each channel of the audio signal represented by ag
for(unsigned i=0; i<ag->audioChN; ++i)
if((rc = var_register_and_get(proc, i, g_vid, var_label, sfx_id, ag->gainV[i])) != kOkRC )
goto errLabel;
errLabel:
return rc;
}
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
unsigned audioFrameN = 0;
unsigned maxInAudioChCnt = 0;
srate_t srate = 0;
unsigned aSfxIdAllocN = var_mult_count(proc,"in");
unsigned aSfxIdA[ aSfxIdAllocN ];
// get the the sfx_id's of the input audio variables
if((rc = var_mult_sfx_id_array(proc, "in", aSfxIdA, aSfxIdAllocN, p->inAudioVarCnt )) != kOkRC )
goto errLabel;
p->iagV = mem::allocZ<audio_gain_t>(p->inAudioVarCnt);
// set the baseInGainPId
p->baseInGainPId = kInBasePId + p->inAudioVarCnt;
// for each audio input var
for(unsigned i=0; i<p->inAudioVarCnt; ++i)
{
abuf_t* abuf;
// register the input audio variable
if((rc = var_register_and_get(proc,kAnyChIdx,kInBasePId+i,"in",aSfxIdA[i],abuf)) != kOkRC )
goto errLabel;
// the sample rate of the input audio signals must be the same
if( i != 0 && abuf->srate != srate )
{
rc = cwLogError(kInvalidArgRC,"All signals on a poly merge must have the same sample rate.");
goto errLabel;
}
srate = abuf->srate;
// the count of frames in all audio signals must be the same
if( audioFrameN != 0 && abuf->frameN != audioFrameN )
{
rc = cwLogError(kInvalidArgRC,"All signals on a poly merge must have the same frame count.");
goto errLabel;
}
audioFrameN = abuf->frameN;
// track the max channel count among all audio input variables
if( abuf->chN > maxInAudioChCnt )
maxInAudioChCnt = abuf->chN;
// setup the audio_gain record for this input audio variable
if((rc= _setup_gain(proc, "igain", aSfxIdA[i], kInBasePId+i, p->baseInGainPId+i, abuf->chN, p->iagV + i )) != kOkRC )
goto errLabel;
}
if((rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, srate, maxInAudioChCnt, audioFrameN )) != kOkRC )
{
goto errLabel;
}
// setup the audio_gain record for the output gains
if((rc= _setup_gain(proc, "ogain", kBaseSfxId, kOutPId, kOutGainPId, maxInAudioChCnt, &p->oag )) != kOkRC )
goto errLabel;
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
mem::release(p->oag.gainV);
for(unsigned i=0; i<p->inAudioVarCnt; ++i)
mem::release(p->iagV[i].gainV);
mem::release(p->iagV);
return rc;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
rc_t rc = kOkRC;
switch( var->vid )
{
case kOutPId:
break;
case kOutGainPId:
assert( var->chIdx == kAnyChIdx || var->chIdx < p->oag.audioChN);
// (we skip kAnyChIdx because individual channels will follow)
if( var->chIdx != kAnyChIdx )
var_get(var,p->oag.gainV[var->chIdx] ); // ... update the associated gainV[] value
break;
default:
// if this is an in-gain value
if( p->baseInGainPId <= var->vid && var->vid < p->baseInGainPId + p->inAudioVarCnt )
{
// determine which in-gain variable this var is associated with var->vid
for(unsigned i=0; i<p->inAudioVarCnt; ++i)
if( p->iagV[i].gVId == var->vid )
{
assert( var->chIdx == kAnyChIdx || var->chIdx < p->iagV[i].audioChN);
// ... and update the associated gainV[] value
// (we skip kAnyChIdx because individual channels will follow)
if( var->chIdx != kAnyChIdx )
var_get(var,p->iagV[i].gainV[var->chIdx]);
break;
}
}
else
{
assert(kInBasePId <= var->vid && var->vid < kInBasePId + p->inAudioVarCnt);
}
}
return rc;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
abuf_t* obuf = nullptr;
// get the output audio buffer
if((rc = var_get(proc,kOutPId, kAnyChIdx, obuf)) != kOkRC )
goto errLabel;
// zero the output buffer
vop::zero(obuf->buf, obuf->frameN*obuf->chN );
// mix each input channel into the output buffer
for(unsigned i=0; i<p->inAudioVarCnt; ++i)
if((rc =_mix(proc, p->iagV + i, &p->oag, obuf )) != kOkRC )
goto errLabel;
errLabel:
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// audio_mix
//
namespace audio_mix_0
{
enum {
kIn0PId,
kIn1PId,
kGain0PId,
kGain1PId,
kOutPId,
};
typedef struct
{
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
const abuf_t* abuf0 = nullptr; //
const abuf_t* abuf1 = nullptr;
unsigned outChN = 0;
double dum;
// get the source audio buffer
if((rc = var_register_and_get(proc, kAnyChIdx,
kIn0PId,"in0",kBaseSfxId,abuf0,
kIn1PId,"in1",kBaseSfxId,abuf1 )) != kOkRC )
{
goto errLabel;
}
assert( abuf0->frameN == abuf1->frameN );
outChN = std::max(abuf0->chN, abuf1->chN);
// register the gain
var_register_and_get( proc, kAnyChIdx, kGain0PId, "gain0", kBaseSfxId, dum );
var_register_and_get( proc, kAnyChIdx, kGain1PId, "gain1", kBaseSfxId, dum );
// create the output audio buffer
rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, abuf0->srate, outChN, abuf0->frameN );
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{ return kOkRC; }
rc_t value( proc_t* proc, variable_t* var )
{ return kOkRC; }
rc_t _mix( proc_t* proc, unsigned inPId, unsigned gainPId, abuf_t* obuf )
{
rc_t rc = kOkRC;
const abuf_t* ibuf = nullptr;
if((rc = var_get(proc, inPId, kAnyChIdx, ibuf )) != kOkRC )
goto errLabel;
if(rc == kOkRC )
{
unsigned chN = std::min(ibuf->chN, obuf->chN );
for(unsigned i=0; i<chN; ++i)
{
const sample_t* isig = ibuf->buf + i*ibuf->frameN;
sample_t* osig = obuf->buf + i*obuf->frameN;
coeff_t gain = 1;
if((rc = var_get(proc, gainPId, kAnyChIdx, gain)) != kOkRC )
goto errLabel;
for(unsigned j=0; j<obuf->frameN; ++j)
osig[j] += gain * isig[j];
}
}
errLabel:
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
abuf_t* obuf = nullptr;
//const abuf_t* ibuf0 = nullptr;
//const abuf_t* ibuf1 = nullptr;
if((rc = var_get(proc,kOutPId, kAnyChIdx, obuf)) != kOkRC )
goto errLabel;
//if((rc = var_get(proc,kIn0PId, kAnyChIdx, ibuf0 )) != kOkRC )
// goto errLabel;
//if((rc = var_get(proc,kIn1PId, kAnyChIdx, ibuf1 )) != kOkRC )
// goto errLabel;
vop::zero(obuf->buf, obuf->frameN*obuf->chN );
_mix( proc, kIn0PId, kGain0PId, obuf );
_mix( proc, kIn1PId, kGain1PId, obuf );
errLabel:
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// audio_marker
//
namespace audio_marker
{
enum
{
kInPId,
kTriggerPId,
kOutPId
};
typedef struct inst_str
{
bool trig_fl;
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
const abuf_t* abuf = nullptr; //
proc->userPtr = mem::allocZ<inst_t>();
// get the source audio buffer
if((rc = var_register_and_get(proc, kAnyChIdx,kInPId,"in",kBaseSfxId,abuf )) != kOkRC )
goto errLabel;
// register the marker input
if((rc = var_register( proc, kAnyChIdx, kTriggerPId, "trigger", kBaseSfxId )) != kOkRC )
goto errLabel;
// create the output audio buffer
rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, abuf->srate, abuf->chN, abuf->frameN );
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
return kOkRC;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
if( var->vid == kTriggerPId )
p->trig_fl = true;
return kOkRC;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
const abuf_t* ibuf = nullptr;
abuf_t* obuf = nullptr;
sample_t mark = p->trig_fl ? 1 : 0;
p->trig_fl = false;
// get the src buffer
if((rc = var_get(proc,kInPId, kAnyChIdx, ibuf )) != kOkRC )
goto errLabel;
// get the dst buffer
if((rc = var_get(proc,kOutPId, kAnyChIdx, obuf)) != kOkRC )
goto errLabel;
// for each channel
for(unsigned i=0; i<ibuf->chN; ++i)
{
sample_t* isig = ibuf->buf + i*ibuf->frameN;
sample_t* osig = obuf->buf + i*obuf->frameN;
// apply the marker
for(unsigned j=0; j<ibuf->frameN; ++j)
osig[j] = mark + isig[j];
}
errLabel:
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// audio_silence
//
namespace audio_silence
{
enum {
kSratePId,
kChCntPId,
kOutPId
};
typedef struct
{
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
srate_t srate = 0;
unsigned ch_cnt = 1;
if((rc = var_register_and_get(proc, kAnyChIdx,
kSratePId,"srate",kBaseSfxId,srate,
kChCntPId,"ch_cnt",kBaseSfxId,ch_cnt)) != kOkRC )
{
goto errLabel;
}
if( srate == 0 )
srate = proc->ctx->sample_rate;
// create the output audio buffer
rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, srate, ch_cnt, proc->ctx->framesPerCycle );
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{ return kOkRC; }
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{ return kOkRC; }
rc_t _exec( proc_t* proc, inst_t* p )
{ return kOkRC; }
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// sine_tone
//
namespace sine_tone
{
enum
{
kSratePId,
kChCntPid,
kFreqHzPId,
kPhasePId,
kDcPId,
kGainPId,
kOutPId
};
typedef struct
{
double *phaseA;
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = mem::allocZ<inst_t>();
srate_t srate = 0;
unsigned chCnt = 0;
coeff_t gain;
coeff_t hz;
coeff_t phase;
coeff_t dc;
proc->userPtr = inst;
// Register variables and get their current value
if((rc = var_register_and_get( proc, kAnyChIdx,
kChCntPid, "chCnt", kBaseSfxId, chCnt,
kSratePId, "srate", kBaseSfxId, srate)) != kOkRC )
{
goto errLabel;
}
// Sample rate logic:
// The sample rate may be set directly, or sourced.
// If the srate is 0 then this indicates that the system sample rate should be used.
// if the sample rate is sourced and 0 it is a configuration error.
// if no sample rate was given then use the system sample rate.
if( srate == 0 )
srate = proc->ctx->sample_rate;
// register each oscillator variable
for(unsigned i=0; i<chCnt; ++i)
{
unsigned ch_srate = 0;
if((rc = var_register_and_get( proc, i,
kSratePId, "srate", kBaseSfxId, ch_srate,
kFreqHzPId, "hz", kBaseSfxId, hz,
kPhasePId, "phase", kBaseSfxId, phase,
kDcPId, "dc", kBaseSfxId, dc,
kGainPId, "gain", kBaseSfxId, gain)) != kOkRC )
{
goto errLabel;
}
// if no srate was set on this channel then use the default sample rate
if( ch_srate == 0 )
if((rc = var_set(proc,kSratePId,i,srate)) != kOkRC )
goto errLabel;
}
//printf("%s: sr:%f hz:%f phs:%f dc:%f gain:%f\n",proc->label,srate,hz,phase,dc,gain);
// create one output audio buffer
rc = var_register_and_set( proc, "out", kBaseSfxId,
kOutPId, kAnyChIdx, srate, chCnt, proc->ctx->framesPerCycle );
inst->phaseA = mem::allocZ<double>( chCnt );
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
mem::release(inst->phaseA);
mem::release(inst);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
abuf_t* abuf = nullptr;
// get the output signal buffer
if((rc = var_get(proc,kOutPId,kAnyChIdx,abuf)) != kOkRC )
{
rc = cwLogError(kInvalidStateRC,"The Sine Tone instance '%s' does not have a valid audio output buffer.",proc->label);
}
else
{
for(unsigned i=0; i<abuf->chN; ++i)
{
coeff_t gain = val_get<coeff_t>( proc, kGainPId, i );
coeff_t hz = val_get<coeff_t>( proc, kFreqHzPId, i );
coeff_t phase = val_get<coeff_t>( proc, kPhasePId, i );
coeff_t dc = val_get<coeff_t>( proc, kDcPId, i );
srate_t srate = val_get<srate_t>(proc, kSratePId, i );
sample_t* v = abuf->buf + (i*abuf->frameN);
for(unsigned j=0; j<abuf->frameN; ++j)
v[j] = (sample_t)((gain * sin( inst->phaseA[i] + phase + (2.0 * M_PI * j * hz/srate)))+dc);
inst->phaseA[i] += 2.0 * M_PI * abuf->frameN * hz/srate;
//if( i==0 )
// printf("hz:%f gain:%f phs:%f : %f\n",hz,gain,inst->phaseA[i],v[0]);
}
}
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<sample_t,fd_sample_t> pv_t;
enum {
kInPId,
kMaxWndSmpNPId,
kWndSmpNPId,
kHopSmpNPId,
kHzFlPId,
kOutPId
};
typedef struct
{
pv_t** pvA; // pvA[ srcBuf.chN ]
unsigned pvN;
unsigned maxWndSmpN;
unsigned wndSmpN;
unsigned hopSmpN;
bool hzFl;
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
const abuf_t* srcBuf = nullptr; //
unsigned flags = 0;
inst_t* inst = mem::allocZ<inst_t>();
proc->userPtr = inst;
if((rc = var_register_and_get( proc, kAnyChIdx,kInPId, "in", kBaseSfxId, srcBuf )) != kOkRC )
{
cwLogError(kInvalidArgRC,"Unable to access the 'src' buffer.");
}
else
{
flags = inst->hzFl ? dsp::pv_anl::kCalcHzPvaFl : dsp::pv_anl::kNoCalcHzPvaFl;
inst->pvN = srcBuf->chN;
inst->pvA = mem::allocZ<pv_t*>( inst->pvN ); // allocate pv channel array
const fd_sample_t* magV[ srcBuf->chN ];
const fd_sample_t* phsV[ srcBuf->chN ];
const fd_sample_t* hzV[ srcBuf->chN ];
unsigned maxBinNV[ srcBuf->chN ];
unsigned binNV[ srcBuf->chN ];
unsigned hopNV[ srcBuf->chN ];
// create a pv anlaysis object for each input channel
for(unsigned i=0; i<srcBuf->chN; ++i)
{
unsigned maxWndSmpN = 0;
unsigned wndSmpN = 0;
unsigned hopSmpN = 0;
bool hzFl = false;
if((rc = var_register_and_get( proc, i,
kMaxWndSmpNPId, "maxWndSmpN", kBaseSfxId, maxWndSmpN,
kWndSmpNPId, "wndSmpN", kBaseSfxId, wndSmpN,
kHopSmpNPId, "hopSmpN", kBaseSfxId, hopSmpN,
kHzFlPId, "hzFl", kBaseSfxId, hzFl )) != kOkRC )
{
goto errLabel;
}
if((rc = create( inst->pvA[i], proc->ctx->framesPerCycle, srcBuf->srate, maxWndSmpN, wndSmpN, hopSmpN, flags )) != kOkRC )
{
rc = cwLogError(kOpFailRC,"The PV analysis object create failed on the instance '%s'.",proc->label);
goto errLabel;
}
maxBinNV[i] = inst->pvA[i]->maxBinCnt;
binNV[i] = inst->pvA[i]->binCnt;
hopNV[i] = hopSmpN;
magV[i] = inst->pvA[i]->magV;
phsV[i] = inst->pvA[i]->phsV;
hzV[i] = inst->pvA[i]->hzV;
}
// create the fbuf 'out'
if((rc = var_register_and_set(proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, srcBuf->srate, srcBuf->chN, maxBinNV, binNV, hopNV, magV, phsV, hzV )) != kOkRC )
{
cwLogError(kOpFailRC,"The output freq. buffer could not be created.");
goto errLabel;
}
}
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
for(unsigned i=0; i<inst->pvN; ++i)
destroy(inst->pvA[i]);
mem::release(inst->pvA);
mem::release(inst);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
if( var->chIdx != kAnyChIdx && var->chIdx < inst->pvN )
{
unsigned val = 0;
pv_t* pva = inst->pvA[ var->chIdx ];
switch( var->vid )
{
case kWndSmpNPId:
rc = var_get( var, val );
dsp::pv_anl::set_window_length(pva,val);
//printf("WL:%i %i\n",val,var->chIdx);
break;
}
}
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
const abuf_t* srcBuf = nullptr;
fbuf_t* dstBuf = nullptr;
// verify that a source buffer exists
if((rc = var_get(proc,kInPId, kAnyChIdx, srcBuf )) != kOkRC )
{
rc = cwLogError(rc,"The instance '%s' does not have a valid input connection.",proc->label);
goto errLabel;
}
// verify that the dst buffer exits
if((rc = var_get(proc,kOutPId, kAnyChIdx, dstBuf)) != kOkRC )
{
rc = cwLogError(rc,"The instance '%s' does not have a valid output.",proc->label);
goto errLabel;
}
// for each input channel
for(unsigned i=0; i<srcBuf->chN; ++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_V[i]/2, dstBuf->binN_V[i]);
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<sample_t,fd_sample_t> 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( proc_t* proc )
{
rc_t rc = kOkRC;
const fbuf_t* srcBuf = nullptr; //
inst_t* inst = mem::allocZ<inst_t>();
proc->userPtr = inst;
if((rc = var_register_and_get( proc, kAnyChIdx,kInPId, "in", kBaseSfxId, srcBuf)) != kOkRC )
{
goto errLabel;
}
else
{
// allocate pv channel array
inst->pvN = srcBuf->chN;
inst->pvA = mem::allocZ<pv_t*>( inst->pvN );
// create a pv anlaysis object for each input channel
for(unsigned i=0; i<srcBuf->chN; ++i)
{
unsigned wndSmpN = (srcBuf->binN_V[i]-1)*2;
if((rc = create( inst->pvA[i], proc->ctx->framesPerCycle, srcBuf->srate, wndSmpN, srcBuf->hopSmpN_V[i] )) != kOkRC )
{
rc = cwLogError(kOpFailRC,"The PV synthesis object create failed on the instance '%s'.",proc->label);
goto errLabel;
}
}
if((rc = var_register( proc, kAnyChIdx, kInPId, "in", kBaseSfxId)) != kOkRC )
goto errLabel;
// create the abuf 'out'
rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, srcBuf->srate, srcBuf->chN, proc->ctx->framesPerCycle );
}
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
for(unsigned i=0; i<inst->pvN; ++i)
destroy(inst->pvA[i]);
mem::release(inst->pvA);
mem::release(inst);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
const fbuf_t* srcBuf = nullptr;
abuf_t* dstBuf = nullptr;
// get the src buffer
if((rc = var_get(proc,kInPId, kAnyChIdx, srcBuf )) != kOkRC )
goto errLabel;
// get the dst buffer
if((rc = var_get(proc,kOutPId, kAnyChIdx, dstBuf)) != kOkRC )
goto errLabel;
for(unsigned i=0; i<srcBuf->chN; ++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<fd_sample_t,fd_sample_t> spec_dist_t;
enum
{
kInPId,
kBypassPId,
kCeilingPId,
kExpoPId,
kThreshPId,
kUprSlopePId,
kLwrSlopePId,
kMixPId,
kOutPId,
};
typedef struct
{
spec_dist_t** sdA;
unsigned sdN;
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
const fbuf_t* srcBuf = nullptr; //
inst_t* inst = mem::allocZ<inst_t>();
proc->userPtr = inst;
// verify that a source buffer exists
if((rc = var_register_and_get(proc, kAnyChIdx,kInPId,"in",kBaseSfxId,srcBuf )) != kOkRC )
{
rc = cwLogError(rc,"The instance '%s' does not have a valid input connection.",proc->label);
goto errLabel;
}
else
{
// allocate pv channel array
inst->sdN = srcBuf->chN;
inst->sdA = mem::allocZ<spec_dist_t*>( inst->sdN );
const fd_sample_t* magV[ srcBuf->chN ];
const fd_sample_t* phsV[ srcBuf->chN ];
const fd_sample_t* hzV[ srcBuf->chN ];
//if((rc = var_register(proc, kAnyChIdx, kInPId, "in")) != kOkRC )
// goto errLabel;
// create a spec_dist object for each input channel
for(unsigned i=0; i<srcBuf->chN; ++i)
{
if((rc = create( inst->sdA[i], srcBuf->binN_V[i] )) != kOkRC )
{
rc = cwLogError(kOpFailRC,"The 'spec dist' object create failed on the instance '%s'.",proc->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( proc, i,
kBypassPId, "bypass", kBaseSfxId, sd->bypassFl,
kCeilingPId, "ceiling", kBaseSfxId, sd->ceiling,
kExpoPId, "expo", kBaseSfxId, sd->expo,
kThreshPId, "thresh", kBaseSfxId, sd->thresh,
kUprSlopePId, "upr", kBaseSfxId, sd->uprSlope,
kLwrSlopePId, "lwr", kBaseSfxId, sd->lwrSlope,
kMixPId, "mix", kBaseSfxId, sd->mix )) != kOkRC )
{
goto errLabel;
}
}
// create the output buffer
if((rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, srcBuf->srate, srcBuf->chN, srcBuf->maxBinN_V, srcBuf->binN_V, srcBuf->hopSmpN_V, magV, phsV, hzV )) != kOkRC )
goto errLabel;
}
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
for(unsigned i=0; i<inst->sdN; ++i)
destroy(inst->sdA[i]);
mem::release(inst->sdA);
mem::release(inst);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
if( var->chIdx != kAnyChIdx && var->chIdx < inst->sdN )
{
double val = 0;
spec_dist_t* sd = inst->sdA[ var->chIdx ];
switch( var->vid )
{
case kBypassPId: rc = var_get( var, val ); sd->bypassFl = val; break;
case kCeilingPId: rc = var_get( var, val ); sd->ceiling = val; break;
case kExpoPId: rc = var_get( var, val ); sd->expo = val; break;
case kThreshPId: rc = var_get( var, val ); sd->thresh = val; break;
case kUprSlopePId: rc = var_get( var, val ); sd->uprSlope = val; break;
case kLwrSlopePId: rc = var_get( var, val ); sd->lwrSlope = val; break;
case kMixPId: rc = var_get( var, val ); sd->mix = val; break;
default:
cwLogWarning("Unhandled variable id '%i' on instance: %s.", var->vid, proc->label );
}
//printf("%i sd: ceil:%f expo:%f thresh:%f upr:%f lwr:%f mix:%f : rc:%i val:%f var:%s \n",
// var->chIdx,sd->ceiling, sd->expo, sd->thresh, sd->uprSlope, sd->lwrSlope, sd->mix, rc, val, var->label );
}
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
const fbuf_t* srcBuf = nullptr;
fbuf_t* dstBuf = nullptr;
unsigned chN = 0;
// get the src buffer
if((rc = var_get(proc,kInPId, kAnyChIdx, srcBuf )) != kOkRC )
goto errLabel;
// get the dst buffer
if((rc = var_get(proc,kOutPId, kAnyChIdx, dstBuf)) != kOkRC )
goto errLabel;
chN = std::min(srcBuf->chN,inst->sdN);
for(unsigned i=0; i<chN; ++i)
{
dstBuf->readyFlV[i] = false;
if( srcBuf->readyFlV[i] )
{
dsp::spec_dist::exec( inst->sdA[i], srcBuf->magV[i], srcBuf->phsV[i], srcBuf->binN_V[i] );
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( proc_t* proc )
{
rc_t rc = kOkRC;
const abuf_t* srcBuf = nullptr; //
inst_t* inst = mem::allocZ<inst_t>();
proc->userPtr = inst;
// verify that a source buffer exists
if((rc = var_register_and_get(proc, kAnyChIdx,kInPId,"in",kBaseSfxId,srcBuf )) != kOkRC )
{
rc = cwLogError(rc,"The instance '%s' does not have a valid input connection.",proc->label);
goto errLabel;
}
else
{
// allocate pv channel array
inst->cmpN = srcBuf->chN;
inst->cmpA = mem::allocZ<compressor_t*>( inst->cmpN );
// create a compressor object for each input channel
for(unsigned i=0; i<srcBuf->chN; ++i)
{
coeff_t igain, thresh, ratio, ogain;
ftime_t maxWnd_ms, wnd_ms, atk_ms, rls_ms;
bool bypassFl;
// get the compressor variable values
if((rc = var_register_and_get( proc, i,
kBypassPId, "bypass", kBaseSfxId, bypassFl,
kInGainPId, "igain", kBaseSfxId, igain,
kThreshPId, "thresh", kBaseSfxId, thresh,
kRatioPId, "ratio", kBaseSfxId, ratio,
kAtkMsPId, "atk_ms", kBaseSfxId, atk_ms,
kRlsMsPId, "rls_ms", kBaseSfxId, rls_ms,
kWndMsPId, "wnd_ms", kBaseSfxId, wnd_ms,
kMaxWndMsPId, "maxWnd_ms", kBaseSfxId, maxWnd_ms,
kOutGainPId, "ogain", kBaseSfxId, 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'.",proc->label);
goto errLabel;
}
}
// create the output audio buffer
if((rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, srcBuf->srate, srcBuf->chN, srcBuf->frameN )) != kOkRC )
goto errLabel;
}
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
for(unsigned i=0; i<inst->cmpN; ++i)
destroy(inst->cmpA[i]);
mem::release(inst->cmpA);
mem::release(inst);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
ftime_t tmp;
if( var->chIdx != kAnyChIdx && var->chIdx < inst->cmpN )
{
compressor_t* c = inst->cmpA[ var->chIdx ];
switch( var->vid )
{
case kBypassPId: rc = var_get( var, tmp ); c->bypassFl=tmp; break;
case kInGainPId: rc = var_get( var, tmp ); c->inGain=tmp; break;
case kOutGainPId: rc = var_get( var, tmp ); c->outGain=tmp; break;
case kRatioPId: rc = var_get( var, tmp ); c->ratio_num=tmp; break;
case kThreshPId: rc = var_get( var, tmp ); c->threshDb=tmp; break;
case kAtkMsPId: rc = var_get( var, tmp ); dsp::compressor::set_attack_ms(c, tmp ); break;
case kRlsMsPId: rc = var_get( var, tmp ); dsp::compressor::set_release_ms(c, tmp ); break;
case kWndMsPId: rc = var_get( var, tmp ); dsp::compressor::set_rms_wnd_ms(c, tmp ); break;
case kMaxWndMsPId: break;
default:
cwLogWarning("Unhandled variable id '%i' on instance: %s.", var->vid, proc->label );
}
//printf("cmp byp:%i igain:%f ogain:%f rat:%f thresh:%f atk:%i rls:%i wnd:%i : rc:%i val:%f\n",
// c->bypassFl, c->inGain, c->outGain,c->ratio_num,c->threshDb,c->atkSmp,c->rlsSmp,c->rmsWndCnt,rc,tmp);
}
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
const abuf_t* srcBuf = nullptr;
abuf_t* dstBuf = nullptr;
unsigned chN = 0;
// get the src buffer
if((rc = var_get(proc,kInPId, kAnyChIdx, srcBuf )) != kOkRC )
goto errLabel;
// get the dst buffer
if((rc = var_get(proc,kOutPId, kAnyChIdx, dstBuf)) != kOkRC )
goto errLabel;
chN = std::min(srcBuf->chN,inst->cmpN);
for(unsigned i=0; i<chN; ++i)
{
dsp::compressor::exec( inst->cmpA[i], srcBuf->buf + i*srcBuf->frameN, dstBuf->buf + i*srcBuf->frameN, srcBuf->frameN );
}
errLabel:
return rc;
}
rc_t report( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
for(unsigned i=0; i<inst->cmpN; ++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",
proc->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
};
}
//------------------------------------------------------------------------------------------------------------------
//
// Limiter
//
namespace limiter
{
enum
{
kInPId,
kBypassPId,
kInGainPId,
kThreshPId,
kOutGainPId,
kOutPId,
};
typedef dsp::limiter::obj_t limiter_t;
typedef struct
{
limiter_t** limA;
unsigned limN;
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
const abuf_t* srcBuf = nullptr; //
inst_t* inst = mem::allocZ<inst_t>();
proc->userPtr = inst;
// verify that a source buffer exists
if((rc = var_register_and_get(proc, kAnyChIdx,kInPId,"in",kBaseSfxId,srcBuf )) != kOkRC )
{
rc = cwLogError(rc,"The instance '%s' does not have a valid input connection.",proc->label);
goto errLabel;
}
else
{
// allocate pv channel array
inst->limN = srcBuf->chN;
inst->limA = mem::allocZ<limiter_t*>( inst->limN );
// create a limiter object for each input channel
for(unsigned i=0; i<srcBuf->chN; ++i)
{
coeff_t igain, thresh, ogain;
bool bypassFl;
// get the limiter variable values
if((rc = var_register_and_get( proc, i,
kBypassPId, "bypass", kBaseSfxId, bypassFl,
kInGainPId, "igain", kBaseSfxId, igain,
kThreshPId, "thresh", kBaseSfxId, thresh,
kOutGainPId, "ogain", kBaseSfxId, ogain )) != kOkRC )
{
goto errLabel;
}
// create the limiter instance
if((rc = dsp::limiter::create( inst->limA[i], srcBuf->srate, srcBuf->frameN, igain, thresh, ogain, bypassFl)) != kOkRC )
{
rc = cwLogError(kOpFailRC,"The 'limiter' object create failed on the instance '%s'.",proc->label);
goto errLabel;
}
}
// create the output audio buffer
if((rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, srcBuf->srate, srcBuf->chN, srcBuf->frameN )) != kOkRC )
goto errLabel;
}
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
for(unsigned i=0; i<inst->limN; ++i)
destroy(inst->limA[i]);
mem::release(inst->limA);
mem::release(inst);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
coeff_t rtmp;
bool btmp;
if( var->chIdx != kAnyChIdx && var->chIdx < inst->limN )
{
limiter_t* c = inst->limA[ var->chIdx ];
switch( var->vid )
{
case kBypassPId: rc = var_get( var, btmp ); c->bypassFl=btmp; break;
case kInGainPId: rc = var_get( var, rtmp ); c->igain=rtmp; break;
case kOutGainPId: rc = var_get( var, rtmp ); c->ogain=rtmp; break;
case kThreshPId: rc = var_get( var, rtmp ); c->thresh=rtmp; break;
default:
cwLogWarning("Unhandled variable id '%i' on instance: %s.", var->vid, proc->label );
}
//printf("lim byp:%i igain:%f ogain:%f rat:%f thresh:%f atk:%i rls:%i wnd:%i : rc:%i val:%f\n",
// c->bypassFl, c->inGain, c->outGain,c->ratio_num,c->threshDb,c->atkSmp,c->rlsSmp,c->rmsWndCnt,rc,tmp);
}
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
const abuf_t* srcBuf = nullptr;
abuf_t* dstBuf = nullptr;
unsigned chN = 0;
// get the src buffer
if((rc = var_get(proc,kInPId, kAnyChIdx, srcBuf )) != kOkRC )
goto errLabel;
// get the dst buffer
if((rc = var_get(proc,kOutPId, kAnyChIdx, dstBuf)) != kOkRC )
goto errLabel;
chN = std::min(srcBuf->chN,inst->limN);
for(unsigned i=0; i<chN; ++i)
{
dsp::limiter::exec( inst->limA[i], srcBuf->buf + i*srcBuf->frameN, dstBuf->buf + i*srcBuf->frameN, srcBuf->frameN );
}
errLabel:
return rc;
}
rc_t report( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
for(unsigned i=0; i<inst->limN; ++i)
{
limiter_t* c = inst->limA[i];
cwLogInfo("%s ch:%i : bypass:%i procSmpN:%i igain:%f threshdb:%f ogain:%f",
proc->label,i,c->bypassFl,c->procSmpCnt,c->igain,c->thresh,c->ogain );
}
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = report
};
}
//------------------------------------------------------------------------------------------------------------------
//
// audio_delay
//
namespace audio_delay
{
enum
{
kInPId,
kMaxDelayMsPId,
kDelayMsPId,
kOutPId
};
typedef struct inst_str
{
abuf_t* delayBuf; // delayBuf->buf[ maxDelayFrameN ]
unsigned maxDelayFrameN; // length of the delay
unsigned* cntV; // cntV[ chN ] per channel delay
unsigned* idxV; // idxV[ chN ] per channel i/o idx
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
const abuf_t* abuf = nullptr; //
inst_t* inst = mem::allocZ<inst_t>();
ftime_t delayMs = 0;
ftime_t maxDelayMs = 0;
proc->userPtr = inst;
// get the source audio buffer
if((rc = var_register_and_get(proc, kAnyChIdx,kInPId,"in",kBaseSfxId,abuf )) != kOkRC )
goto errLabel;
inst->cntV = mem::allocZ<unsigned>(abuf->chN);
inst->idxV = mem::allocZ<unsigned>(abuf->chN);
// register the gain
for(unsigned i=0; i<abuf->chN; ++i)
{
if((rc = var_register_and_get( proc, i,
kMaxDelayMsPId, "maxDelayMs", kBaseSfxId, maxDelayMs,
kDelayMsPId, "delayMs", kBaseSfxId, delayMs)) != kOkRC )
{
goto errLabel;
}
if( delayMs > maxDelayMs )
{
cwLogWarning("'delayMs' (%i) is being reduced to 'maxDelayMs' (%i) on the delay instance:%s.",delayMs,maxDelayMs,proc->label);
delayMs = maxDelayMs;
}
inst->maxDelayFrameN = std::max(inst->maxDelayFrameN, (unsigned)(fabs(maxDelayMs) * abuf->srate / 1000.0) );
inst->cntV[i] = (unsigned)(fabs(delayMs) * abuf->srate / 1000.0);
}
inst->delayBuf = abuf_create( abuf->srate, abuf->chN, inst->maxDelayFrameN );
// create the output audio buffer
rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, abuf->srate, abuf->chN, abuf->frameN );
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
inst_t* inst = (inst_t*)proc->userPtr;
mem::release(inst->cntV);
mem::release(inst->idxV);
abuf_destroy(inst->delayBuf);
mem::release(inst);
return kOkRC;
}
rc_t _update_delay( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
abuf_t* ibuf = nullptr;
ftime_t delayMs = 0;
unsigned delayFrameN = 0;
if((rc = var_get(proc,kInPId, kAnyChIdx, ibuf )) != kOkRC )
goto errLabel;
if((rc = var_get( var, delayMs )) != kOkRC )
goto errLabel;
delayFrameN = (unsigned)(fabs(delayMs) * ibuf->srate / 1000.0);
if( delayFrameN > inst->maxDelayFrameN )
{
delayFrameN = inst->maxDelayFrameN;
cwLogWarning("The audio delay length is limited to %i milliseconds.", (int)((delayFrameN * 1000) / ibuf->srate));
}
vop::zero(inst->delayBuf->buf,inst->delayBuf->chN*inst->delayBuf->frameN);
for(unsigned i=0; i<ibuf->chN; ++i)
{
inst->cntV[i] = delayFrameN;
inst->idxV[i] = 0;
}
errLabel:
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
switch( var->vid )
{
case kDelayMsPId:
rc = _update_delay(proc,var);
break;
}
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
const abuf_t* ibuf = nullptr;
abuf_t* obuf = nullptr;
abuf_t* dbuf = inst->delayBuf;
// get the src buffer
if((rc = var_get(proc,kInPId, kAnyChIdx, ibuf )) != kOkRC )
goto errLabel;
// get the dst buffer
if((rc = var_get(proc,kOutPId, kAnyChIdx, obuf)) != kOkRC )
goto errLabel;
// for each channel
for(unsigned i=0; i<ibuf->chN; ++i)
{
sample_t* isig = ibuf->buf + i*ibuf->frameN;
sample_t* osig = obuf->buf + i*obuf->frameN;
sample_t* dsig = dbuf->buf + i*dbuf->frameN;
unsigned di = inst->idxV[i];
// if the delay is set to zero samples
if( inst->cntV[i] == 0 )
memcpy(osig,isig,ibuf->frameN * sizeof(sample_t));
else
{
// otherwise the delay is non-zero positive sample count
for(unsigned j=0; j<ibuf->frameN; ++j)
{
osig[j] = dsig[di]; // read delay output
dsig[di] = isig[j]; // set delay input
di = (di+1) % inst->cntV[i]; // update the delay index
}
}
// store the delay index for the next cycle
inst->idxV[i] = di;
}
errLabel:
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// DC Filter
//
namespace dc_filter
{
enum
{
kInPId,
kBypassPId,
kGainPId,
kOutPId,
};
typedef dsp::dc_filter::obj_t dc_filter_t;
typedef struct
{
dc_filter_t** dcfA;
unsigned dcfN;
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
const abuf_t* srcBuf = nullptr; //
inst_t* inst = mem::allocZ<inst_t>();
proc->userPtr = inst;
// verify that a source buffer exists
if((rc = var_register_and_get(proc, kAnyChIdx,kInPId,"in",kBaseSfxId,srcBuf )) != kOkRC )
{
rc = cwLogError(rc,"The instance '%s' does not have a valid input connection.",proc->label);
goto errLabel;
}
else
{
// allocate channel array
inst->dcfN = srcBuf->chN;
inst->dcfA = mem::allocZ<dc_filter_t*>( inst->dcfN );
// create a dc_filter object for each input channel
for(unsigned i=0; i<srcBuf->chN; ++i)
{
coeff_t gain;
bool bypassFl;
// get the dc_filter variable values
if((rc = var_register_and_get( proc, i,
kBypassPId, "bypass", kBaseSfxId, bypassFl,
kGainPId, "gain", kBaseSfxId, gain )) != kOkRC )
{
goto errLabel;
}
// create the dc_filter instance
if((rc = dsp::dc_filter::create( inst->dcfA[i], srcBuf->srate, srcBuf->frameN, gain, bypassFl)) != kOkRC )
{
rc = cwLogError(kOpFailRC,"The 'dc_filter' object create failed on the instance '%s'.",proc->label);
goto errLabel;
}
}
// create the output audio buffer
if((rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, srcBuf->srate, srcBuf->chN, srcBuf->frameN )) != kOkRC )
goto errLabel;
}
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
for(unsigned i=0; i<inst->dcfN; ++i)
destroy(inst->dcfA[i]);
mem::release(inst->dcfA);
mem::release(inst);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
return kOkRC;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
const abuf_t* srcBuf = nullptr;
abuf_t* dstBuf = nullptr;
unsigned chN = 0;
// get the src buffer
if((rc = var_get(proc,kInPId, kAnyChIdx, srcBuf )) != kOkRC )
goto errLabel;
// get the dst buffer
if((rc = var_get(proc,kOutPId, kAnyChIdx, dstBuf)) != kOkRC )
goto errLabel;
chN = std::min(srcBuf->chN,inst->dcfN);
for(unsigned i=0; i<chN; ++i)
{
coeff_t gain = val_get<coeff_t>( proc, kGainPId, i );
bool bypassFl = val_get<bool>( proc, kBypassPId, i );
dsp::dc_filter::set( inst->dcfA[i], gain, bypassFl );
dsp::dc_filter::exec( inst->dcfA[i], srcBuf->buf + i*srcBuf->frameN, dstBuf->buf + i*srcBuf->frameN, srcBuf->frameN );
}
errLabel:
return rc;
}
rc_t report( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
for(unsigned i=0; i<inst->dcfN; ++i)
{
dc_filter_t* c = inst->dcfA[i];
cwLogInfo("%s ch:%i : bypass:%i gain:%f",
proc->label,i,c->bypassFl,c->gain );
}
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = report
};
}
//------------------------------------------------------------------------------------------------------------------
//
// audio_meter
//
namespace audio_meter
{
enum
{
kInPId,
kDbFlPId,
kWndMsPId,
kPeakDbPId,
kOutPId,
kPeakFlPId,
kClipFlPId,
kRptPeriodMsPId
};
typedef dsp::audio_meter::obj_t audio_meter_t;
typedef struct
{
audio_meter_t** mtrA;
unsigned mtrN;
unsigned rptPeriodSmpN;
unsigned rptPhase;
} inst_t;
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
const abuf_t* srcBuf = nullptr; //
inst_t* inst = mem::allocZ<inst_t>();
unsigned rptPeriodMs = 0;
proc->userPtr = inst;
// verify that a source buffer exists
if((rc = var_register_and_get(proc, kAnyChIdx,
kInPId,"in",kBaseSfxId,srcBuf,
kRptPeriodMsPId,"rpt_ms",kBaseSfxId,rptPeriodMs)) != kOkRC )
{
rc = cwLogError(rc,"The instance '%s' does not have a valid input connection.",proc->label);
goto errLabel;
}
else
{
inst->rptPeriodSmpN = (unsigned)(proc->ctx->sample_rate * rptPeriodMs/1000.0);
// allocate channel array
inst->mtrN = srcBuf->chN;
inst->mtrA = mem::allocZ<audio_meter_t*>( inst->mtrN );
// create a audio_meter object for each input channel
for(unsigned i=0; i<srcBuf->chN; ++i)
{
ftime_t wndMs;
coeff_t peakThreshDb;
bool dbFl;
// get the audio_meter variable values
if((rc = var_register_and_get( proc, i,
kDbFlPId, "dbFl", kBaseSfxId, dbFl,
kWndMsPId, "wndMs", kBaseSfxId, wndMs,
kPeakDbPId, "peakDb", kBaseSfxId, peakThreshDb )) != kOkRC )
{
goto errLabel;
}
// get the audio_meter variable values
if((rc = var_register( proc, i,
kOutPId, "out", kBaseSfxId,
kPeakFlPId, "peakFl", kBaseSfxId,
kClipFlPId, "clipFl", kBaseSfxId )) != kOkRC )
{
goto errLabel;
}
unsigned maxWndMs = std::max(wndMs,1000.0);
// create the audio_meter instance
if((rc = dsp::audio_meter::create( inst->mtrA[i], srcBuf->srate, maxWndMs, wndMs, peakThreshDb)) != kOkRC )
{
rc = cwLogError(kOpFailRC,"The 'audio_meter' object create failed on the instance '%s'.",proc->label);
goto errLabel;
}
}
}
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
for(unsigned i=0; i<inst->mtrN; ++i)
destroy(inst->mtrA[i]);
mem::release(inst->mtrA);
mem::release(inst);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
return kOkRC;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
const abuf_t* srcBuf = nullptr;
unsigned chN = 0;
bool rptFl = inst->rptPeriodSmpN != 0 && inst->rptPhase >= inst->rptPeriodSmpN;
// get the src buffer
if((rc = var_get(proc,kInPId, kAnyChIdx, srcBuf )) != kOkRC )
goto errLabel;
chN = std::min(srcBuf->chN,inst->mtrN);
for(unsigned i=0; i<chN; ++i)
{
dsp::audio_meter::exec( inst->mtrA[i], srcBuf->buf + i*srcBuf->frameN, srcBuf->frameN );
var_set(proc, kOutPId, i, inst->mtrA[i]->outDb );
var_set(proc, kPeakFlPId, i, inst->mtrA[i]->peakFl );
var_set(proc, kClipFlPId, i, inst->mtrA[i]->clipFl );
if( rptFl )
cwLogPrint("%6.2f ",inst->mtrA[i]->outDb);
}
if(rptFl)
{
cwLogPrint("\n");
inst->rptPhase -= inst->rptPeriodSmpN;
}
inst->rptPhase += srcBuf->frameN;
errLabel:
return rc;
}
rc_t report( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* inst = (inst_t*)proc->userPtr;
for(unsigned i=0; i<inst->mtrN; ++i)
{
audio_meter_t* c = inst->mtrA[i];
cwLogInfo("%s ch:%i : %f %f db : pk:%i %i clip:%i %i ",
proc->label,i,c->outLin,c->outDb,c->peakFl,c->peakCnt,c->clipFl,c->clipCnt );
}
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = report
};
}
//------------------------------------------------------------------------------------------------------------------
//
// xfade_ctl
//
namespace xfade_ctl
{
enum {
kNetLabelPId,
kNetLabelSfxPId,
kSrateRefPId,
kDurMsPId,
kTriggerPId,
kPresetPId,
kGainPId,
};
typedef struct poly_ch_str
{
network_t net;
coeff_t target_gain;
coeff_t cur_gain;
} poly_ch_t;
typedef struct
{
unsigned xfadeDurMs; // crossfade duration in milliseconds
proc_t* net_proc; // source 'poly' network
poly_ch_t* netA; // netA[ poly_ch_cnt ] internal proxy network
unsigned poly_ch_cnt; // count of poly channels in net_proc
unsigned net_proc_cnt; // count of proc's in a single poly-channel (net_proc->proc_arrayN/poly_cnt)
unsigned cur_poly_ch_idx; // This is the active channel.
unsigned next_poly_ch_idx; // This is the next channel that will be active.
srate_t srate; // Sample rate used for time base
bool preset_delta_fl; // Preset change trigger flag.
bool trigFl; // Cross-fade trigger flag.
} inst_t;
void _trigger_xfade( inst_t* p )
{
// begin fading out the cur channel
p->netA[p->cur_poly_ch_idx].target_gain = 0;
// the next poly-ch become the cur poly-ch
p->cur_poly_ch_idx = p->next_poly_ch_idx;
// the next poly-ch advances
p->next_poly_ch_idx = p->next_poly_ch_idx+1 >= p->poly_ch_cnt ? 0 : p->next_poly_ch_idx+1;
// begin fading in the new cur channel
p->netA[p->cur_poly_ch_idx].target_gain = 1;
// if the next channel is not already at 0 send it in that direction
p->netA[p->next_poly_ch_idx].target_gain = 0;
//printf("xfad:%i %i : %i\n",p->cur_poly_ch_idx, p->next_poly_ch_idx,p->poly_ch_cnt);
}
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
const char* netLabel = nullptr;
const char* presetLabel = nullptr;
unsigned netLabelSfxId = kBaseSfxId;
abuf_t* srateSrc = nullptr;
coeff_t dum_dbl;
inst_t* p = mem::allocZ<inst_t>();
proc->userPtr = p;
if((rc = var_register(proc,kAnyChIdx,kTriggerPId,"trigger", kBaseSfxId )) != kOkRC )
goto errLabel;
if((rc = var_register_and_get(proc,kAnyChIdx,
kNetLabelPId, "net", kBaseSfxId, netLabel,
kNetLabelSfxPId, "netSfxId", kBaseSfxId, netLabelSfxId,
kSrateRefPId, "srateSrc", kBaseSfxId, srateSrc,
kDurMsPId, "durMs", kBaseSfxId, p->xfadeDurMs,
kPresetPId, "preset", kBaseSfxId, presetLabel,
kGainPId, "gain", kBaseSfxId, dum_dbl)) != kOkRC )
{
goto errLabel;
}
// locate the source poly-network for this xfad-ctl
if((rc = proc_find(*proc->net,netLabel,netLabelSfxId,p->net_proc)) != kOkRC )
{
cwLogError(rc,"The xfade_ctl source network proc instance '%s:%i' was not found.",cwStringNullGuard(netLabel),netLabelSfxId);
goto errLabel;
}
if( p->net_proc->internal_net->poly_cnt < 3 )
{
cwLogError(rc,"The xfade_ctl source network must have at least 3 poly channels. %i < 3",p->net_proc->internal_net->poly_cnt);
goto errLabel;
}
p->poly_ch_cnt = p->net_proc->internal_net->poly_cnt;
// create the gain output variables - one output for each poly-channel
for(unsigned i=1; i<p->poly_ch_cnt; ++i)
{
variable_t* dum;
if((rc = var_create(proc, "gain", i, kGainPId+i, kAnyChIdx, nullptr, kInvalidTFl, dum )) != kOkRC )
{
cwLogError(rc,"'gain:%i' create failed.",i);
goto errLabel;
}
}
// count of proc's in one poly-ch of the poly network
p->net_proc_cnt = p->net_proc->internal_net->proc_arrayN / p->net_proc->internal_net->poly_cnt;
p->netA = mem::allocZ<poly_ch_t>(p->poly_ch_cnt);
// create the proxy network networks
for(unsigned i=0; i<p->poly_ch_cnt; ++i)
{
p->netA[i].net.proc_arrayAllocN = p->net_proc_cnt;
p->netA[i].net.proc_arrayN = p->netA[i].net.proc_arrayAllocN;
p->netA[i].net.proc_array = mem::allocZ<proc_t*>(p->netA[i].net.proc_arrayAllocN);
p->netA[i].net.presetsCfg = p->net_proc->internal_net->presetsCfg;
p->netA[i].net.presetA = p->net_proc->internal_net->presetA;
p->netA[i].net.presetN = p->net_proc->internal_net->presetN;
p->netA[i].net.preset_pairA = p->net_proc->internal_net->preset_pairA;
p->netA[i].net.preset_pairN = p->net_proc->internal_net->preset_pairN;
for(unsigned j=0,k=0; j<p->net_proc->internal_net->proc_arrayN; ++j)
if( p->net_proc->internal_net->proc_array[j]->label_sfx_id == i )
{
assert( k < p->net_proc_cnt );
p->netA[i].net.proc_array[k++] = p->net_proc->internal_net->proc_array[j];
}
}
if( srateSrc == nullptr )
p->srate = proc->ctx->sample_rate;
else
p->srate = srateSrc->srate;
// setup the channels such that the first active channel after _trigger_xfade()
// will be channel 0
p->cur_poly_ch_idx = 1;
p->next_poly_ch_idx = 2;
_trigger_xfade(p); // cur=2 nxt=0 initialize inst ptrs in range: p->net[0:net_proc_cnt]
_trigger_xfade(p); // cur=0 nxt=1 initialize inst ptrs in range: p->net[net_proc_cnt:2*net_proc_cnt]
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
inst_t* p = (inst_t*)proc->userPtr;
for(unsigned i=0; i<p->poly_ch_cnt; ++i)
mem::release(p->netA[i].net.proc_array);
mem::release(p->netA);
mem::release(proc->userPtr);
return kOkRC;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
inst_t* p = (inst_t*)proc->userPtr;
switch( var->vid )
{
case kTriggerPId:
p->trigFl = true;
break;
case kPresetPId:
p->preset_delta_fl = true;
break;
}
return rc;
}
// return sign of expression as a float
float _signum( float v ) { return (0.0f < v) - (v < 0.0f); }
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* p = (inst_t*)proc->userPtr;
// time in sample frames to complete a xfade
double xfade_dur_smp = p->xfadeDurMs * p->srate / 1000.0;
// fraction of a xfade which will be completed in on exec() cycle
float delta_gain_per_cycle = (float)(proc->ctx->framesPerCycle / xfade_dur_smp);
if( p->preset_delta_fl )
{
const char* preset_label = nullptr;
p->preset_delta_fl = false;
if((rc = var_get(proc,kPresetPId,kAnyChIdx,preset_label)) != kOkRC )
{
rc = cwLogError(rc,"Preset label access failed.");
goto errLabel;
}
if((rc = network_apply_preset(p->netA[p->next_poly_ch_idx].net, preset_label,p->next_poly_ch_idx)) != kOkRC )
{
rc = cwLogError(rc,"Appy preset '%s' failed.",cwStringNullGuard(preset_label));
goto errLabel;
}
}
// check if a cross-fade has been triggered
if(p->trigFl )
{
p->trigFl = false;
_trigger_xfade(p);
}
// update the cross-fade gain outputs
for(unsigned i=0; i<p->net_proc->internal_net->poly_cnt; ++i)
{
p->netA[i].cur_gain += _signum(p->netA[i].target_gain - p->netA[i].cur_gain) * delta_gain_per_cycle;
p->netA[i].cur_gain = std::min(1.0f, std::max(0.0f, p->netA[i].cur_gain));
var_set(proc,kGainPId+i,kAnyChIdx,p->netA[i].cur_gain);
}
errLabel:
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// Poly Voice Control
//
namespace poly_voice_ctl
{
enum {
kInPId,
kVoiceCntPId,
kBaseOutPId,
};
enum {
kVoiceMsgN = 16,
kGlobalMsgN = 256,
};
typedef struct voice_str
{
bool activeFl; // true if this voice is currently active
unsigned pitch; // pitch associated with this voice
unsigned age; // age of this voice in exec() cycles.
midi::ch_msg_t* msgA; // msgA[ msgN ] msg buffer for this voice
unsigned msgN; //
unsigned msg_idx; // current count of msg's in msgA[]
mbuf_t* mbuf; // cached mbuf for this output variable
} voice_t;
typedef struct
{
unsigned baseDoneFlPId;
unsigned voiceN; // voiceA[ voiceN ]
voice_t* voiceA;
// sizeof of each voice msgA[] (same as voice_t.msgN)
unsigned voiceMsgN;
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
mbuf_t* mbuf = nullptr;
if((rc = var_register_and_get(proc,kAnyChIdx,
kInPId, "in", kBaseSfxId, mbuf,
kVoiceCntPId, "voice_cnt", kBaseSfxId, p->voiceN)) != kOkRC )
{
goto errLabel;
}
if( p->voiceN == 0 )
{
rc = cwLogError(kInvalidArgRC,"The poly_voice_ctl '%s:%i' has 0 voices.",proc->label,proc->label_sfx_id );
goto errLabel;
}
p->baseDoneFlPId = kBaseOutPId + p->voiceN;
p->voiceMsgN = kVoiceMsgN;
p->voiceA = mem::allocZ<voice_t>(p->voiceN);
for(unsigned i=0; i<p->voiceN; ++i)
{
// create one output MIDI variable per voice
if((rc = var_register_and_set( proc, "out", i, kBaseOutPId + i, kAnyChIdx, nullptr, 0 )) != kOkRC )
goto errLabel;
// create one 'done_fl' variable per voice
if((rc = var_register_and_set( proc, kAnyChIdx, p->baseDoneFlPId + i, "done_fl", i, false )) != kOkRC )
goto errLabel;
p->voiceA[i].msgA = mem::allocZ<midi::ch_msg_t>(p->voiceMsgN);
p->voiceA[i].msgN = p->voiceMsgN;
// cache a pointer to each output variables mbuf (because we know these won't change)
if((rc = var_get(proc,kBaseOutPId+i, kAnyChIdx, p->voiceA[i].mbuf )) != kOkRC )
goto errLabel;
}
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
for(unsigned i=0; i<p->voiceN; ++i)
mem::release(p->voiceA[i].msgA);
mem::release( p->voiceA );
p->voiceN = 0;
return rc;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
rc_t rc = kOkRC;
if( p->baseDoneFlPId <= var->vid && var->vid < p->baseDoneFlPId + p->voiceN )
{
p->voiceA[ var->vid - p->baseDoneFlPId ].activeFl = false;
}
return rc;
}
unsigned _get_next_avail_voice( inst_t* p )
{
unsigned max_age_idx = 0;
for(unsigned i=0; i<p->voiceN; ++i)
{
if( p->voiceA[i].activeFl == false )
return i;
if( p->voiceA[i].age > p->voiceA[ max_age_idx].age )
max_age_idx = i;
}
return max_age_idx;
}
unsigned _pitch_to_voice( inst_t* p, unsigned pitch )
{
for(unsigned i=0; i<p->voiceN; ++i)
if( p->voiceA[i].activeFl && p->voiceA[i].pitch == pitch )
return i;
return kInvalidIdx;
}
rc_t _update_voice_msg( proc_t* proc, inst_t* p, unsigned voice_idx, const midi::ch_msg_t* m )
{
rc_t rc = kOkRC;
voice_t* v = p->voiceA + voice_idx;
if( v->msg_idx >= v->msgN )
{
cwLogError(kBufTooSmallRC,"The voice MIDI buffer on ch:%i is full on '%s:%i'",voice_idx,cwStringNullGuard(proc->label),proc->label_sfx_id);
goto errLabel;
}
else
{
v->msgA[ v->msg_idx++ ] = *m;
v->mbuf->msgA = v->msgA;
v->mbuf->msgN = v->msg_idx;
//printf("vctl:%i : st:%i %i %i\n",voice_idx,m->status,m->d0,m->d1);
}
errLabel:
return rc;
}
rc_t _on_note_on( proc_t* proc, inst_t* p, const midi::ch_msg_t* m )
{
rc_t rc = kOkRC;
unsigned voice_idx = _get_next_avail_voice(p);
assert( voice_idx <= p->voiceN);
voice_t* v = p->voiceA + voice_idx;
v->age = 0;
v->activeFl = true;
v->pitch = m->d0;
rc = _update_voice_msg(proc,p,voice_idx,m);
return rc;
}
rc_t _on_note_off( proc_t* proc, inst_t* p, const midi::ch_msg_t* m )
{
rc_t rc = kOkRC;
unsigned voice_idx;
if((voice_idx = _pitch_to_voice(p,m->d0)) == kInvalidIdx )
{
cwLogWarning("Voice not found for note:%i.",m->d0);
goto errLabel;
}
assert( voice_idx <= p->voiceN);
rc = _update_voice_msg(proc,p,voice_idx,m);
errLabel:
return rc;
}
rc_t _send_to_all_voices( proc_t* proc, inst_t*p, const midi::ch_msg_t* m )
{
rc_t rc = kOkRC;
if( midi::isChStatus( m->status ) )
for(unsigned i=0; i<p->voiceN; ++i)
if((rc = _update_voice_msg(proc,p,i,m)) != kOkRC )
goto errLabel;
errLabel:
return rc;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
mbuf_t* mbuf = nullptr;
// update the voice array
for(unsigned i=0; i<p->voiceN; ++i)
{
if( p->voiceA[i].activeFl )
p->voiceA[i].age += 1;
p->voiceA[i].msg_idx = 0;
p->voiceA[i].mbuf->msgN = 0;
p->voiceA[i].mbuf->msgA = nullptr;
}
// get the input MIDI buffer
if((rc = var_get(proc,kInPId,kAnyChIdx,mbuf)) != kOkRC )
goto errLabel;
// process the incoming MIDI messages
for(unsigned i=0; i<mbuf->msgN; ++i)
{
const midi::ch_msg_t* m = mbuf->msgA + i;
switch( m->status )
{
case midi::kNoteOnMdId:
if( m->d1 == 0 )
rc = _on_note_off(proc,p,m);
else
rc = _on_note_on(proc,p,m);
break;
case midi::kNoteOffMdId:
rc = _on_note_off(proc,p,m);
break;
default:
rc = _send_to_all_voices(proc,p,m);
break;
}
}
errLabel:
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// midi_voice
//
namespace midi_voice
{
enum {
kInPId,
kOutPId,
kDoneFlPId
};
typedef struct
{
unsigned wtAllocN; // wtAlloc[ wtAllocN ]
sample_t* wtAllocA; // total allocated WT space with extra leading and trailing samples
unsigned wtN; // wtA[ wtA ]
sample_t* wtA; // actual WT space which sits inside of wtAllocA[]
double wtPhase; // current WT phase
unsigned cur_vel; // current MIDI velocity
double cur_hz; // current fund. frequency
double cur_pbend; // current pitch bend factor
unsigned hzN;
double* hzA; // hzA[128] - midi to Hz lookup table.
bool done_fl;
coeff_t gain;
coeff_t gain_coeff;
coeff_t gain_thresh;
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
mbuf_t* mbuf = nullptr;
srate_t srate = proc->ctx->sample_rate;
const unsigned ch_cnt = 1;
bool done_fl = false;
// get the MIDI input variable
if((rc = var_register_and_get( proc, kAnyChIdx,
kInPId, "in", kBaseSfxId, mbuf,
kDoneFlPId, "done_fl", kBaseSfxId, done_fl)) != kOkRC )
goto errLabel;
// create one output audio buffer
if((rc = var_register_and_set( proc, "out", kBaseSfxId,kOutPId, kAnyChIdx, srate, ch_cnt, proc->ctx->framesPerCycle )) != kOkRC )
goto errLabel;
// create the wave table
p->wtN = srate;
p->wtAllocN = p->wtN + 2;
p->wtAllocA = mem::allocZ<sample_t>(p->wtAllocN);
p->wtA = p->wtAllocA + 1;
vop::sine( p->wtA, p->wtN, srate, 1);
p->wtAllocA[0] = p->wtA[p->wtN-1];
p->wtAllocA[p->wtAllocN-1] = p->wtA[0];
// create the MIDI pitch to hertz
p->hzN = midi::kMidiNoteCnt;
p->hzA = mem::allocZ<double>(p->hzN);
for(unsigned i=0; i<midi::kMidiNoteCnt; ++i)
p->hzA[i] = midi_to_hz(i);
p->done_fl = true;
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
mem::release(p->wtAllocA);
mem::release(p->hzA);
return rc;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
rc_t rc = kOkRC;
return rc;
}
void _on_note_off( inst_t* p )
{
p->gain_coeff = 0.9;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
abuf_t* abuf = nullptr;
mbuf_t* mbuf = nullptr;
// get the input MIDI buffer
if((rc = var_get(proc,kInPId,kAnyChIdx,mbuf)) != kOkRC )
goto errLabel;
// get the output audio buffer
if((rc = var_get(proc,kOutPId,kAnyChIdx,abuf)) != kOkRC )
goto errLabel;
// if there are MIDI messages - update cur_hz and cur_vel
for(unsigned i=0; i<mbuf->msgN; ++i)
{
const midi::ch_msg_t* m = mbuf->msgA + i;
switch( m->status )
{
case midi::kNoteOnMdId:
p->cur_hz = p->hzA[ m->d0 ];
p->cur_vel = m->d1;
if( m->d1 == 0 )
_on_note_off(p);
else
{
p->done_fl = false;
p->gain = (coeff_t)p->cur_vel / 127;
p->gain_coeff = 1.0;
p->gain_thresh = 0.001;
}
break;
case midi::kNoteOffMdId:
_on_note_off(p);
break;
case midi::kPbendMdId:
p->cur_pbend = midi::toPbend(m->d0,m->d1) / 8192.0;
break;
default:
break;
}
}
// if the voice is off then zero the audio buffer
if( p->done_fl )
{
vop::zero(abuf->buf,abuf->frameN);
}
else
{
// fill in the audio buffer
for(unsigned i=0; i<abuf->frameN; ++i)
{
unsigned j = (unsigned)floor(p->wtPhase);
double frac = p->wtPhase - j;
sample_t smp = p->wtA[j] + (p->wtA[j+1] - p->wtA[j]) * frac;
abuf->buf[i] = p->gain*smp;
p->wtPhase += p->cur_hz + (p->cur_hz * p->cur_pbend);
if( p->wtPhase >= p->wtN )
p->wtPhase -= p->wtN;
}
p->gain *= p->gain_coeff;
if( p->gain < p->gain_thresh )
{
var_set(proc,kDoneFlPId,kAnyChIdx,true);
p->done_fl = true;
}
}
errLabel:
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// piano_voice
//
namespace piano_voice
{
enum {
kWtbDirPId,
kWtbInstrPId,
kInPId,
kOutPId,
kDoneFlPId,
kTestPitchPId,
kKeyPitchPId,
};
enum {
kChCnt=2
};
typedef struct osc_state_str
{
wt_bank::ch_t* ch;
unsigned seg_idx; // current seg index in ch->segA[]
unsigned smp_idx; // current smp index in ch->segA[ seg_idx ].aV[]
unsigned seg_cnt; // count of segments played so far (increases with each segment loop traversail)
} osc_state_t;
typedef struct
{
wt_bank::handle_t* wtbH_ptr;
unsigned wtb_instr_idx;
const wt_bank::wt_t* wt;
osc_state_t osc[ kChCnt ];
coeff_t kGainThreshold;
coeff_t kSustainGain;
coeff_t kReleaseGain;
coeff_t gain;
coeff_t gain_coeff;
bool done_fl;
unsigned test_pitch; // Pitch under test or 0 if not on test mode
unsigned test_key_pitch; // Key associated with lowest velocity when in test mode.
unsigned test_pitchN; // Count of valid velocities for test_pitch
unsigned* test_pitch_map; // test_pitch_map[ test_pitch_N ]
} inst_t;
void _create_test_pitch_map( inst_t* p )
{
p->test_pitchN = 0;
for(unsigned i=0; i<midi::kMidiVelCnt; ++i)
if( get_wave_table( *p->wtbH_ptr, 0, p->test_pitch, i ) != nullptr )
p->test_pitchN += 1;
p->test_pitch_map = mem::allocZ<unsigned>(p->test_pitchN);
for(unsigned i=0,j=0; i<midi::kMidiVelCnt; ++i)
if( get_wave_table( *p->wtbH_ptr, p->wtb_instr_idx, p->test_pitch, i ) != nullptr )
{
assert( j < p->test_pitchN );
p->test_pitch_map[j++] = i;
//printf("%i %i %i\n",j-1,i,p->test_pitchN);
}
}
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
const char* wtb_dir = nullptr;
char* exp_wtb_dir = nullptr;
const char* wtb_instr = nullptr;
mbuf_t* mbuf = nullptr;
bool done_fl = false;
srate_t srate = proc->ctx->sample_rate;
unsigned padSmpN = 1;
const char* wtb_var_label = "wtb";
// get the MIDI input variable
if((rc = var_register_and_get( proc, kAnyChIdx,
kWtbDirPId, "wtb_dir", kBaseSfxId, wtb_dir,
kWtbInstrPId, "wtb_instr", kBaseSfxId, wtb_instr,
kInPId, "in", kBaseSfxId, mbuf,
kDoneFlPId, "done_fl", kBaseSfxId, done_fl,
kTestPitchPId, "test_pitch",kBaseSfxId, p->test_pitch,
kKeyPitchPId, "test_key_pitch", kBaseSfxId, p->test_key_pitch)) != kOkRC )
{
goto errLabel;
}
// if the global wave table bank has not yet been created
if((p->wtbH_ptr = (wt_bank::handle_t*)network_global_var(proc, wtb_var_label )) == nullptr )
{
wt_bank::handle_t wtbH;
if((exp_wtb_dir = proc_expand_filename(proc,wtb_dir)) == nullptr )
{
rc = cwLogError(kOpFailRC,"The wave-table bank directory expansion failed.");
goto errLabel;
}
// create the wave table bank
if((rc = create( wtbH, exp_wtb_dir, padSmpN )) != kOkRC )
{
rc = cwLogError(rc,"The wave table bank global variable creation failed.");
goto errLabel;
}
// store the wave table bank global var
if((rc = network_global_var_alloc(proc, wtb_var_label, &wtbH, sizeof(wtbH) )) != kOkRC )
{
rc = cwLogError(rc,"The wave table bank global variable allocation failed.");
goto errLabel;
}
if((p->wtbH_ptr = (wt_bank::handle_t*)network_global_var(proc, wtb_var_label )) == nullptr )
{
rc = cwLogError(rc,"The wave table bank global variable store failed.");
goto errLabel;
}
}
// create one output audio buffer
if((rc = var_register_and_set( proc, "out", kBaseSfxId,kOutPId, kAnyChIdx, srate, kChCnt, proc->ctx->framesPerCycle )) != kOkRC )
{
goto errLabel;
}
if((p->wtb_instr_idx = wt_bank::instr_index( *p->wtbH_ptr, wtb_instr )) == kInvalidIdx )
{
rc = cwLogError(rc,"The wave table bank named '%s' could not be found.",cwStringNullGuard(wtb_instr));
goto errLabel;
}
// if we are running in 'test-pitch' mode
if( p->test_pitch != 0 )
{
cwLogInfo("%s is in test-pitch mode",proc->label);
_create_test_pitch_map(p);
}
p->done_fl = true;
p->kGainThreshold = 0.01;
p->kSustainGain = 0.9995;
p->kReleaseGain = 0.9;
assert(p->wtbH_ptr != nullptr );
errLabel:
mem::release(exp_wtb_dir);
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
if( p->wtbH_ptr )
destroy(*p->wtbH_ptr);
mem::release(p->test_pitch_map);
return rc;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
rc_t rc = kOkRC;
return rc;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
abuf_t* abuf = nullptr;
mbuf_t* mbuf = nullptr;
// get the input MIDI buffer
if((rc = var_get(proc,kInPId,kAnyChIdx,mbuf)) != kOkRC )
goto errLabel;
// get the output audio buffer
if((rc = var_get(proc,kOutPId,kAnyChIdx,abuf)) != kOkRC )
goto errLabel;
// if there are MIDI messages - update the wavetable oscillators
for(unsigned i=0; i<mbuf->msgN; ++i)
{
const midi::ch_msg_t* m = mbuf->msgA + i;
switch( m->status )
{
case midi::kNoteOnMdId:
if( m->d1 > 0 )
{
unsigned d0 = m->d0;
unsigned d1 = m->d1;
// if in voice test mode
if( p->test_pitch_map != nullptr )
{
// if the the pitch is inside the test range
if( d0 < p->test_key_pitch || p->test_key_pitch + p->test_pitchN <= d0 )
goto errLabel;
// then the pitch is set to the test pitch ...
d0 = p->test_pitch;
// ... and the velocity is mapped to a vel for which there is a known vel in the wt-bank
// Performed pitches above the test pitch trigger increasing velocities.
d1 = p->test_pitch_map[ m->d0 - p->test_key_pitch ];
}
// get the wave-table associated with the pitch and velocity
if((p->wt = get_wave_table( *p->wtbH_ptr, p->wtb_instr_idx, d0,d1 )) == nullptr )
{
cwLogWarning("No piano voice for pitch:%i vel:%i",m->d0,m->d1);
goto errLabel;
}
p->done_fl = false;
p->gain = 1;
p->gain_coeff = 1;
for(unsigned i=0; i<kChCnt; ++i)
{
p->osc[i].ch = p->wt->chA + i;
p->osc[i].seg_idx = 0;
p->osc[i].smp_idx = 0;
p->osc[i].seg_cnt = 0;
}
//printf("%i non: %i %i (%i,%i)\n",proc->label_sfx_id,m->d0,m->d1,d0,d1);
}
else
{
p->gain_coeff = p->kReleaseGain;
//printf("%i nof: %i %i\n",proc->label_sfx_id,m->d0,m->d1);
}
break;
case midi::kNoteOffMdId:
p->gain_coeff = p->kReleaseGain;
//printf("%i nof: %i %i\n",proc->label_sfx_id,m->d0,m->d1);
break;
case midi::kPbendMdId:
break;
default:
break;
}
}
// if the voice is off then zero the audio buffer
if( p->done_fl )
{
vop::zero(abuf->buf,abuf->frameN);
}
else
{
// for each channel
for(unsigned i=0; i<kChCnt; ++i)
{
// for the output buffer
sample_t* yV = abuf->buf + i*abuf->frameN;
unsigned yi = 0;
// get this channels oscillator
osc_state_t* osc = p->osc + i;
// for each sample in the output buffer
while(yi < abuf->frameN)
{
// locate the current wavetable
wt_bank::seg_t* seg = p->wt->chA[i].segA + osc->seg_idx;
unsigned n;
if( seg->aN - osc->smp_idx > abuf->frameN-yi )
n = abuf->frameN-yi;
else
n = seg->aN - osc->smp_idx;
vop::mul( yV + yi, seg->aV + seg->padN + osc->smp_idx, p->gain, n );
yi += n;
osc->smp_idx += n;
if( osc->smp_idx >= seg->aN )
{
osc->smp_idx = 0;
osc->seg_cnt += 1;
// if this is the second time through the loop segment
// then begin applying the sustain decay
if( osc->seg_cnt == 2 )
p->gain_coeff = p->kSustainGain;
if( osc->seg_idx < osc->ch->segN-1 )
osc->seg_idx += 1;
}
}
p->gain *= p->gain_coeff;
if( p->gain < p->kGainThreshold && !p->done_fl )
{
//printf("done:\n");
var_set(proc,kDoneFlPId,kAnyChIdx,true);
p->done_fl = true;
}
}
}
errLabel:
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// audio_merge
//
namespace audio_merge
{
enum
{
kOutGainPId,
kOutPId,
kInBasePId,
};
typedef struct
{
unsigned inAudioVarCnt;
unsigned gainVarCnt;
unsigned baseGainPId;
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
unsigned inAudioChCnt = 0;
srate_t srate = 0;
unsigned audioFrameN = 0;
unsigned sfxIdAllocN = proc_var_count(proc);
unsigned sfxIdA[ sfxIdAllocN ];
// register the output gain variable
if((rc = var_register(proc,kAnyChIdx,kOutGainPId,"out_gain",kBaseSfxId)) != kOkRC )
goto errLabel;
// get the the sfx_id's of the input audio variables
if((rc = var_mult_sfx_id_array(proc, "in", sfxIdA, sfxIdAllocN, p->inAudioVarCnt )) != kOkRC )
goto errLabel;
// for each input audio variable
for(unsigned i=0; i<p->inAudioVarCnt; ++i)
{
abuf_t* abuf;
// register the input audio variable
if((rc = var_register_and_get(proc,kAnyChIdx,kInBasePId+i,"in",sfxIdA[i],abuf)) != kOkRC )
goto errLabel;
// the sample rate of off input audio signals must be the same
if( i != 0 && abuf->srate != srate )
{
rc = cwLogError(kInvalidArgRC,"All signals on a poly merge must have the same sample rate.");
goto errLabel;
}
srate = abuf->srate;
// the count of frames in all audio signals must be the same
if( audioFrameN != 0 && abuf->frameN != audioFrameN )
{
rc = cwLogError(kInvalidArgRC,"All signals on a poly merge must have the same frame count.");
goto errLabel;
}
audioFrameN = abuf->frameN;
inAudioChCnt += abuf->chN;
}
// Get the sfx-id's of the input gain variables
if((rc = var_mult_sfx_id_array(proc, "gain", sfxIdA, sfxIdAllocN, p->gainVarCnt )) != kOkRC )
goto errLabel;
// There must be one gain variable for each audio input or exactly one gain variable
if( p->gainVarCnt != p->inAudioVarCnt && p->gainVarCnt != 1 )
{
rc = cwLogError(kInvalidArgRC,"The count of 'gain' variables must be the same as the count of audio variables or there must be exactly one gain variable.");
goto errLabel;
}
// set the baseInGainPId
p->baseGainPId = kInBasePId + p->inAudioVarCnt;
// register each of the input gain variables
for(unsigned i=0; i<p->gainVarCnt; ++i)
{
if((rc = var_register(proc,kAnyChIdx,p->baseGainPId + i,"gain",sfxIdA[i])) != kOkRC )
goto errLabel;
}
rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, srate, inAudioChCnt, audioFrameN );
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
return kOkRC;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
return kOkRC;
}
unsigned _merge_in_one_audio_var( proc_t* proc, const abuf_t* ibuf, abuf_t* obuf, unsigned outChIdx, coeff_t gain )
{
// for each channel
for(unsigned i=0; i<ibuf->chN && outChIdx<obuf->chN; ++i)
{
sample_t* isig = ibuf->buf + i * ibuf->frameN;
sample_t* osig = obuf->buf + outChIdx * obuf->frameN;
// apply the gain
for(unsigned j=0; j<ibuf->frameN; ++j)
osig[j] = gain * isig[j];
outChIdx += 1;
}
return outChIdx;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
abuf_t* obuf = nullptr;
unsigned oChIdx = 0;
coeff_t igain = 1;
coeff_t ogain = 1;
// get the output audio buffer
if((rc = var_get(proc,kOutPId, kAnyChIdx, obuf)) != kOkRC )
goto errLabel;
// get the output audio gain
if((rc = var_get(proc,kOutGainPId, kAnyChIdx, ogain)) != kOkRC )
goto errLabel;
// for each audio input variable
for(unsigned i=0; i<p->inAudioVarCnt; ++i)
{
const abuf_t* ibuf = nullptr;
// get the input audio buffer
if((rc = var_get(proc,kInBasePId+i, kAnyChIdx, ibuf )) != kOkRC )
goto errLabel;
// get the input gain
if( i < p->gainVarCnt )
var_get(proc,p->baseGainPId+i,kAnyChIdx,igain);
// merge the input audio signal into the output audio buffer
oChIdx = _merge_in_one_audio_var( proc, ibuf, obuf, oChIdx, igain * ogain );
}
errLabel:
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// sample_hold
//
namespace sample_hold
{
enum
{
kInPId,
kPeriodMsPId,
kOutPId,
kMeanPId,
};
typedef struct inst_str
{
unsigned chN; // count of audio input channels and output sample variables.
unsigned bufAllocFrmN; // count of sample frames allocated in the sample buffer
unsigned periodFrmN; // count of sample frames in the sample period
unsigned ii; // next buf[][] frame index to receive an incoming audio sample
sample_t** buf; // buf[chN][bufSmpAllocN]
} inst_t;
unsigned _period_ms_to_smp( srate_t srate, unsigned framesPerCycle, double periodMs )
{
unsigned frmN = (unsigned)(srate * periodMs / 1000.0);
return std::max(framesPerCycle,frmN);
}
unsigned _period_ms_to_smp( srate_t srate, unsigned framesPerCycle, unsigned bufSmpAllocN, double periodMs )
{
unsigned frmN = _period_ms_to_smp(srate,framesPerCycle, periodMs );
// clip sample period to the max. buffer length.
return std::min(bufSmpAllocN,frmN);
}
sample_t _mean( inst_t* p, unsigned chIdx, unsigned oi, unsigned n0, unsigned n1 )
{
sample_t sum = 0;
for(unsigned i=0; i<n0; ++i)
sum += p->buf[chIdx][oi + i ];
for(unsigned i=0; i<n1; ++i)
sum += p->buf[chIdx][i];
return n0+n1==0 ? 0 : sum/(n0+n1);
}
void _destroy( inst_t* p )
{
for(unsigned i=0; i<p->chN; ++i)
mem::release(p->buf[i]);
mem::release(p->buf);
mem::release(p);
}
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
const abuf_t* abuf = nullptr; //
double periodMs = 0;
proc->userPtr = mem::allocZ<inst_t>();
inst_t* p = (inst_t*)proc->userPtr;
// get the source audio buffer
if((rc = var_register_and_get(proc, kAnyChIdx,
kInPId, "in", kBaseSfxId, abuf,
kPeriodMsPId, "period_ms",kBaseSfxId, periodMs)) != kOkRC )
{
goto errLabel;
}
p->chN = abuf->chN;
p->bufAllocFrmN = _period_ms_to_smp( abuf->srate, proc->ctx->framesPerCycle, periodMs );
p->periodFrmN = p->bufAllocFrmN;
p->buf = mem::allocZ<sample_t*>(abuf->chN);
for(unsigned i=0; i<abuf->chN; ++i)
{
p->buf[i] = mem::allocZ<sample_t>(p->bufAllocFrmN);
if((rc = var_register_and_set(proc, i,
kOutPId, "out", kBaseSfxId, 0.0f,
kMeanPId, "mean", kBaseSfxId, 0.0f)) != kOkRC )
{
goto errLabel;
}
}
errLabel:
if(rc != kOkRC )
_destroy(p);
return rc;
}
rc_t destroy( proc_t* proc )
{
inst_t* p = (inst_t*)(proc->userPtr);
_destroy(p);
return kOkRC;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
switch( var->vid )
{
case kPeriodMsPId:
{
double periodMs;
const abuf_t* abuf;
inst_t* p = (inst_t*)(proc->userPtr);
var_get(proc,kInPId,kAnyChIdx,abuf);
if((rc = var_get(var,periodMs)) == kOkRC )
{
p->periodFrmN = _period_ms_to_smp( abuf->srate, proc->ctx->framesPerCycle, p->bufAllocFrmN, periodMs );
}
}
break;
default:
break;
}
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
const abuf_t* ibuf = nullptr;
inst_t* p = (inst_t*)(proc->userPtr);
unsigned oi = 0;
unsigned n0 = 0;
unsigned n1 = 0;
//unsigned chN = 0;
// get the src buffer
if((rc = var_get(proc,kInPId, kAnyChIdx, ibuf )) != kOkRC )
goto errLabel;
//chN = std::min(ibuf->chN,p->chN);
// Copy samples into buf.
for(unsigned i=0; i<ibuf->chN; ++i)
{
sample_t* isig = ibuf->buf + i*ibuf->frameN;
sample_t* obuf = p->buf[i];
unsigned k = p->ii;
for(unsigned j=0; j<ibuf->frameN; ++j)
{
obuf[k++] = isig[j];
if( k>= p->bufAllocFrmN )
k -= p->bufAllocFrmN;
}
}
// advance the input index
p->ii += ibuf->frameN;
if( p->ii >= p->bufAllocFrmN )
p->ii -= p->bufAllocFrmN;
// if the sampling buf is in range oi:ii
if( p->ii >= p->periodFrmN )
{
oi = p->ii - p->periodFrmN;
n0 = p->ii - oi;
n1 = 0;
}
else // the sampling buf is in two parts: bufAllocN-ii:bufAllocN, 0:ii
{
oi = p->bufAllocFrmN - (p->periodFrmN - p->ii);
n0 = p->bufAllocFrmN - oi;
n1 = p->ii;
}
for(unsigned i=0; i<ibuf->chN; ++i)
{
// the output is the first sample in the buffer
var_set(proc,kOutPId,i, p->buf[i][oi] );
if( var_is_a_source(proc,kMeanPId,i) )
var_set(proc,kMeanPId,i, _mean(p,i,oi,n0,n1));
}
errLabel:
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// Number
//
namespace number
{
enum {
kTriggerPId,
kOutTypePId,
kOutPId,
kInPId,
};
typedef struct
{
unsigned inVarN;
unsigned store_vid;
bool send_fl;
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
const char* out_type_label = nullptr;
unsigned out_type_fl = kInvalidTFl;
variable_t* dum = nullptr;
unsigned inVarN = var_mult_count(proc,"in");
unsigned inSfxIdA[ inVarN ];
if((rc = var_register(proc,kAnyChIdx,kTriggerPId,"trigger",kBaseSfxId)) != kOkRC )
goto errLabel;
// if there are no inputs
if( inVarN == 0 )
{
rc = cwLogError(rc,"The 'number' unit '%s' does not have any inputs.",cwStringNullGuard(proc->label));
goto errLabel;
}
// get the the sfx_id's of the 'in' variables
if((rc = var_mult_sfx_id_array(proc, "in", inSfxIdA, inVarN, p->inVarN )) != kOkRC )
goto errLabel;
// sort the input id's in ascending order
std::sort(inSfxIdA, inSfxIdA + p->inVarN, [](unsigned& a,unsigned& b){ return a<b; } );
// register each of the input vars
for(unsigned i=0; i<p->inVarN; ++i)
{
variable_t* dum;
if((rc = var_register(proc, "in", inSfxIdA[i], kInPId+i, kAnyChIdx, nullptr, dum )) != kOkRC )
{
rc = cwLogError(rc,"Variable registration failed for the variable 'in:%i'.",inSfxIdA[i]);;
goto errLabel;
}
}
// Get the output type label as a string
if((rc = var_register_and_get(proc,kAnyChIdx,kOutTypePId,"out_type",kBaseSfxId,out_type_label)) != kOkRC )
{
rc = cwLogError(rc,"Variable registration failed for the variable 'otype:0'.");;
goto errLabel;
}
// if an explicit output type was not given ...
if( textIsEqual(out_type_label,"") )
{
// ... then get the type of the first input variable
if((rc = var_find(proc, kInPId, kAnyChIdx, dum )) != kOkRC )
{
goto errLabel;
}
// if the first input variable's type has a valid type is not included in the
if( dum->value != nullptr )
out_type_fl = (dum->value->tflag & kTypeMask) ;
}
else
{
out_type_fl = value_type_label_to_flag( out_type_label );
}
if(out_type_fl == kInvalidTFl )
{
rc = cwLogError(kInvalidArgRC,"The output type '%s' is not a valid type.",cwStringNullGuard(out_type_label));
goto errLabel;
}
// Create the output variable
if((rc = var_create( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, nullptr, out_type_fl, dum )) != kOkRC )
{
goto errLabel;
}
p->store_vid = kInvalidId;
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{ return kOkRC; }
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
if( var->vid == kTriggerPId )
{
if( proc->ctx->isInRuntimeFl )
p->store_vid = kOutPId;
}
else
{
if( kInPId <= var->vid && var->vid < kInPId + p->inVarN )
{
if( proc->ctx->isInRuntimeFl )
{
p->store_vid = var->vid;
}
else
var_set( proc, kOutPId, kAnyChIdx, var->value );
}
}
return kOkRC;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
if( p->store_vid != kInvalidIdx )
{
variable_t* var = nullptr;
// Note that we set the 'value' directly from var->value so that
// no extra type converersion is applied. In this case the value
// 'store' will be coerced to the type of 'value'
if((rc = var_find(proc, p->store_vid, kAnyChIdx, var )) == kOkRC && var->value != nullptr /*&& is_connected_to_source(var)*/ )
{
rc = var_set(proc,kOutPId,kAnyChIdx,var->value);
}
p->store_vid = kInvalidIdx;
}
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
#ifdef NOT_DEF
//------------------------------------------------------------------------------------------------------------------
//
// Number
//
namespace number
{
enum {
kValuePId,
kStorePId,
};
typedef struct
{
bool store_fl;
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
if((rc = var_register(proc,kAnyChIdx,
kValuePId,"value",kBaseSfxId,
kStorePId,"store",kBaseSfxId)) != kOkRC )
{
goto errLabel;
}
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{ return kOkRC; }
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
// skip the 'stored' value sent through prior to runtime.
if( var->vid == kStorePId /*&& proc->ctx->isInRuntimeFl*/)
p->store_fl = true;
return kOkRC;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
if( p->store_fl )
{
variable_t* var = nullptr;
// Set 'value' from 'store'.
// Note that we set the 'value' directly from var->value so that
// no extra type converersion is applied. In this case the value
// 'store' will be coerced to the type of 'value'
if((rc = var_find(proc, kStorePId, kAnyChIdx, var )) == kOkRC && var->value != nullptr && is_connected_to_source(var) )
{
rc = var_set(proc,kValuePId,kAnyChIdx,var->value);
}
p->store_fl = false;
}
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
#endif
//------------------------------------------------------------------------------------------------------------------
//
// Register
//
namespace reg
{
enum {
kInPId,
kStorePId,
kOutPId,
};
typedef struct
{
value_t value;
bool store_fl;
} inst_t;
rc_t _set_stored_value( proc_t* proc, inst_t* p, const variable_t* var )
{
rc_t rc = kOkRC;
if( var->value == nullptr )
{
rc = cwLogError(kInvalidStateRC,"The incoming register value is NULL.");
goto errLabel;
}
value_duplicate(p->value,*var->value);
p->store_fl = true;
errLabel:
return rc;
}
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
const variable_t* in_var = nullptr;
variable_t* out_var = nullptr;
variable_t* store_var = nullptr;
if((rc = var_register(proc, kAnyChIdx,
kInPId, "in", kBaseSfxId,
kStorePId, "store", kBaseSfxId)) != kOkRC )
{
goto errLabel;
}
if((rc = var_find(proc,"in",kBaseSfxId,kAnyChIdx,in_var )) != kOkRC )
{
goto errLabel;
}
if((rc = _set_stored_value(proc,p,in_var)) != kOkRC )
{
goto errLabel;
}
// Create the output var
if((rc = var_create( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, nullptr, in_var->value->tflag, out_var )) != kOkRC )
{
rc = cwLogError(rc,"The output variable create failed.");
goto errLabel;
}
if((rc = var_find(proc,"store",kBaseSfxId,kAnyChIdx,store_var )) != kOkRC )
{
goto errLabel;
}
if((rc = var_set(store_var,&p->value)) != kOkRC )
goto errLabel;
if((rc = var_set(out_var,&p->value)) != kOkRC )
goto errLabel;
//store_var->value = &p->value;
//out_var->value = &p->value;
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{ return kOkRC; }
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
switch( var->vid )
{
case kInPId:
case kStorePId:
if( var->value != nullptr )
_set_stored_value(proc,p,var);
break;
case kOutPId:
break;
default:
assert(0);
}
return kOkRC;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
if( p->store_fl )
{
rc = var_set(proc,kOutPId,kAnyChIdx,&p->value);
p->store_fl = false;
}
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// Timer
//
namespace timer
{
enum {
kSratePId,
kPeriodMsPId,
kDelayMsPId,
kOutPId,
};
typedef struct
{
bool delayFl;
unsigned delayFrmN;
unsigned periodFrmN;
unsigned periodPhase;
} inst_t;
unsigned _period_ms_to_frame_count( proc_t* proc, inst_t* p, srate_t srate, ftime_t periodMs )
{
return std::max((unsigned)(srate * periodMs / 1000.0), proc->ctx->framesPerCycle);
}
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
ftime_t periodMs = 0;
ftime_t delayMs = 0;
srate_t srate = 0;
inst_t* p = mem::allocZ<inst_t>();
proc->userPtr = p;
if((rc = var_register_and_get(proc,kAnyChIdx,
kSratePId, "srate", kBaseSfxId,srate,
kDelayMsPId, "delay_ms", kBaseSfxId,delayMs,
kPeriodMsPId, "period_ms",kBaseSfxId,periodMs)) != kOkRC )
{
goto errLabel;
}
if( srate == 0 )
var_set(proc,kSratePId,kAnyChIdx,proc->ctx->sample_rate);
if((rc = var_register_and_set(proc,kAnyChIdx,
kOutPId, "out", kBaseSfxId,false)) != kOkRC )
{
goto errLabel;
}
p->periodFrmN = _period_ms_to_frame_count(proc,p,srate,periodMs);
p->delayFrmN = _period_ms_to_frame_count(proc,p,srate,delayMs);
p->delayFl = true;
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* p = (inst_t*)proc->userPtr;
mem::release(p);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
switch( var->vid )
{
case kPeriodMsPId:
{
double periodMs;
srate_t srate;
inst_t* p = (inst_t*)(proc->userPtr);
var_get(proc,kSratePId,kAnyChIdx,srate);
if((rc = var_get(var,periodMs)) == kOkRC )
{
p->periodFrmN = _period_ms_to_frame_count( proc, p, srate, periodMs );
}
}
break;
case kDelayMsPId:
{
double delayMs;
srate_t srate;
inst_t* p = (inst_t*)(proc->userPtr);
var_get(proc,kSratePId,kAnyChIdx,srate);
if((rc = var_get(var,delayMs)) == kOkRC )
p->delayFrmN = _period_ms_to_frame_count( proc, p, srate, delayMs );
}
break;
default:
break;
}
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* p = (inst_t*)proc->userPtr;
p->periodPhase += proc->ctx->framesPerCycle;
if( p->delayFl )
{
if( p->periodPhase >= p->delayFrmN )
{
p->periodPhase -= p->delayFrmN;
p->delayFl = false;
}
}
//printf("%i %i\n",p->periodPhase,p->periodFrmN);
if( p->delayFl==false && p->periodPhase >= p->periodFrmN )
{
p->periodPhase -= p->periodFrmN;
bool val = false;
var_get(proc,kOutPId,kAnyChIdx,val);
//printf("%i %i %i\n",p->periodPhase,p->periodFrmN,val);
var_set(proc,kOutPId,kAnyChIdx,!val);
}
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// Counter
//
namespace counter
{
enum {
kTriggerPId,
kResetPId,
kInitPId,
kMinPId,
kMaxPId,
kIncPId,
kRepeatPId,
kModePId,
kOutTypePId,
kUprLimPId,
kLwrLimPId,
kLimitPId,
kOutPId
};
enum {
kModuloModeId,
kReverseModeId,
kClipModeId,
kInvalidModeId
};
typedef struct
{
unsigned mode_id;
bool trig_val;
bool delta_fl;
bool done_fl;
unsigned iter_cnt;
double dir;
} inst_t;
idLabelPair_t modeArray[] = {
{ kModuloModeId, "modulo" },
{ kReverseModeId, "reverse" },
{ kClipModeId, "clip" },
{ kInvalidId, "<invalid>"}
};
unsigned _string_to_mode_id( const char* mode_label, unsigned& mode_id_ref )
{
mode_id_ref = kInvalidId;
for(unsigned i=0; modeArray[i].id != kInvalidId; ++i)
if( textIsEqual(modeArray[i].label,mode_label) )
{
mode_id_ref = modeArray[i].id;
return kOkRC;
}
return cwLogError(kInvalidArgRC,"'%s' is not a valid counter 'mode'.",cwStringNullGuard(mode_label));
}
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* p = mem::allocZ<inst_t>();
proc->userPtr = p;
double init_val;
const char* mode_label;
variable_t* dum = nullptr;
const char* out_type_label;
unsigned out_type_fl;
if((rc = var_register_and_get(proc, kAnyChIdx,
kTriggerPId, "trigger", kBaseSfxId, p->trig_val,
kInitPId, "init", kBaseSfxId, init_val,
kModePId, "mode", kBaseSfxId, mode_label,
kOutTypePId, "out_type",kBaseSfxId, out_type_label)) != kOkRC )
{
goto errLabel;
}
if((rc = var_register(proc, kAnyChIdx,
kMinPId, "min", kBaseSfxId,
kMaxPId, "max", kBaseSfxId,
kIncPId, "inc", kBaseSfxId,
kRepeatPId, "repeat_fl", kBaseSfxId,
kResetPId, "reset", kBaseSfxId,
kUprLimPId, "upr_lim", kBaseSfxId,
kLwrLimPId, "lwr_lim", kBaseSfxId,
kLimitPId, "limit", kBaseSfxId)) != kOkRC )
{
goto errLabel;
}
// get the type of the output
if(out_type_label==nullptr || (out_type_fl = value_type_label_to_flag( out_type_label )) == kInvalidTFl )
{
rc = cwLogError(kInvalidArgRC,"The output type '%s' is not a valid type.",cwStringNullGuard(out_type_label));
goto errLabel;
}
if((rc = var_create( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, nullptr, out_type_fl, dum )) != kOkRC )
{
goto errLabel;
}
if((rc = var_set( proc, kOutPId, kAnyChIdx, init_val )) != kOkRC )
{
rc = cwLogError(rc,"Unable to set the initial counter value to %f.",init_val);
goto errLabel;
}
if((rc = _string_to_mode_id(mode_label,p->mode_id)) != kOkRC )
goto errLabel;
p->dir = 1.0;
p->iter_cnt = 0;
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* p = (inst_t*)proc->userPtr;
mem::release(p);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
inst_t* p = (inst_t*)proc->userPtr;
switch( var->vid )
{
case kTriggerPId:
{
/*
bool v;
if((rc = var_get(var,v)) == kOkRC )
{
if( !p->delta_fl )
p->delta_fl = p->trig_val != v;
p->trig_val = v;
}
*/
p->delta_fl = true;
}
break;
case kModePId:
{
const char* s;
if((rc = var_get(var,s)) == kOkRC )
rc = _string_to_mode_id(s,p->mode_id);
}
break;
case kResetPId:
p->iter_cnt = 0;
p->dir = 1.0;
p->delta_fl = false;
p->done_fl = false;
break;
}
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* p = (inst_t*)proc->userPtr;
bool trig_upr_fl = false;
bool trig_lwr_fl = false;
double cnt,inc,minv,maxv;
bool v;
if( !p->delta_fl )
return rc;
p->delta_fl = false;
if((rc = var_get(proc,kTriggerPId,kAnyChIdx,v)) != kOkRC )
{
cwLogError(rc,"Fail!");
goto errLabel;
}
p->trig_val = v;
p->iter_cnt += 1;
/*
if( p->iter_cnt == 1 )
{
var_get(proc,kInitPId,kAnyChIdx,cnt);
}
else
&*/
if(1)
{
var_get(proc,kOutPId,kAnyChIdx,cnt);
var_get(proc,kIncPId,kAnyChIdx,inc);
var_get(proc,kMinPId,kAnyChIdx,minv);
var_get(proc,kMaxPId,kAnyChIdx,maxv);
cnt += p->dir * inc;
//printf("%f %f %f\n",minv,cnt,maxv);
if( minv > cnt || cnt >= maxv )
{
bool repeat_fl;
var_get(proc,kRepeatPId,kAnyChIdx,repeat_fl);
trig_upr_fl = cnt >= maxv;
trig_lwr_fl = cnt < minv;
if( !repeat_fl )
p->done_fl = true;
else
{
if( cnt >= maxv)
{
switch( p->mode_id )
{
case kModuloModeId:
while(cnt >= maxv )
cnt = minv + (cnt-maxv);
break;
case kReverseModeId:
p->dir = -1 * p->dir;
while( cnt > maxv )
cnt = maxv - (cnt-maxv);
break;
case kClipModeId:
cnt = maxv;
break;
default:
assert(0);
}
}
if( cnt < minv)
{
switch( p->mode_id )
{
case kModuloModeId:
while( cnt < minv )
cnt = maxv - (minv-cnt);
break;
case kReverseModeId:
p->dir = -1 * p->dir;
while(cnt < minv )
cnt = minv + (minv-cnt);
break;
case kClipModeId:
cnt = minv;
break;
default:
assert(0);
}
}
}
}
}
// if the counter has not reached it's terminal state
if( !p->done_fl )
var_set(proc,kOutPId,kAnyChIdx,cnt);
if( trig_upr_fl )
if((rc = var_set(proc, kUprLimPId, kAnyChIdx, true )) != kOkRC )
goto errLabel;
if( trig_lwr_fl )
if((rc = var_set(proc, kLwrLimPId, kAnyChIdx, true )) != kOkRC )
goto errLabel;
if( trig_upr_fl || trig_lwr_fl )
if((rc = var_set(proc, kLimitPId, kAnyChIdx, true )) != kOkRC )
goto errLabel;
errLabel:
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// List
//
namespace list
{
enum
{
kInPId,
kCfgFnamePId,
kListPId,
kOutPId,
kValueBasePId
};
typedef struct
{
unsigned listN; // the length of the list
const object_t* list; // the list
unsigned typeFl; // the output type
unsigned index; // the last index referenced
bool deltaFl;
object_t* file_list;
} inst_t;
rc_t _determine_type( const object_t* list, unsigned& typeFl_ref )
{
rc_t rc = kOkRC;
typeFl_ref = kInvalidTFl;
enum { bool_idx, uint_idx, int_idx, float_idx, double_idx, string_idx, cfg_idx, typeN };
typedef struct type_map_str
{
unsigned idx;
unsigned typeFl;
unsigned cnt;
} type_map_t;
type_map_t typeA[] = {
{ bool_idx, kBoolTFl, 0 },
{ uint_idx, kUIntTFl, 0 },
{ int_idx, kIntTFl, 0 },
{ float_idx, kFloatTFl, 0 },
{ double_idx, kDoubleTFl, 0 },
{ string_idx, kStringTFl, 0 },
{ cfg_idx, kCfgTFl, 0 },
};
// count the number of each type of element in the list.
for(unsigned i=0; i<list->child_count(); ++i)
{
const object_t* c = list->child_ele(i);
switch( c->type->id )
{
case kCharTId: typeA[uint_idx].cnt+=1; break;
case kInt8TId: typeA[int_idx].cnt +=1; break;
case kUInt8TId: typeA[uint_idx].cnt+=1; break;
case kInt16TId: typeA[int_idx].cnt +=1; break;
case kUInt16TId: typeA[uint_idx].cnt+=1; break;
case kInt32TId: typeA[int_idx].cnt +=1; break;
case kUInt32TId: typeA[uint_idx].cnt+=1; break;
case kFloatTId: typeA[float_idx].cnt+=1; break;
case kDoubleTId: typeA[double_idx].cnt+=1; break;
case kBoolTId: typeA[bool_idx].cnt+=1; break;
case kStringTId: typeA[string_idx].cnt+=1; break;
case kCStringTId:typeA[string_idx].cnt+=1; break;
break;
default:
switch( c->type->id )
{
case kVectTId:
case kPairTId:
case kListTId:
case kDictTId:
typeA[cfg_idx].cnt +=1;
break;
default:
rc = cwLogError(kSyntaxErrorRC,"The object type '0x%x' is not a valid list entry type. %i",c->type->flags,list->child_count());
goto errLabel;
}
}
unsigned type_flag = kInvalidTFl; // type flag of one of the reference types
unsigned type_cnt = 0; // count of types
for(unsigned i=0; i<typeN; ++i)
if( typeA[i].cnt > 0 )
{
type_cnt += 1;
type_flag = typeA[i].typeFl;
}
// it is an error if more than one type of element was included in the list -
// and one of those types was string or cfg - having multiple numeric types
// is ok because they can be converted between each other - but string, and cfg's
// cannot be converted to numbers, nor can the be converted between each other.
if( type_cnt > 1 && (typeA[string_idx].cnt>0 || typeA[cfg_idx].cnt>0) )
{
rc = cwLogError(kInvalidArgRC,"The list types. The list must be all numerics, all strings, or all cfg. types.");
for(unsigned i=0; i<typeN; ++i)
if( typeA[i].cnt > 0 )
cwLogInfo("%i %s",typeA[i].cnt, value_type_flag_to_label(typeA[i].typeFl));
goto errLabel;
}
typeFl_ref = type_flag;
}
errLabel:
return rc;
}
template< typename T >
rc_t _set_out_tmpl( proc_t* proc, inst_t* p, unsigned idx, unsigned vid, T& v )
{
rc_t rc;
const object_t* ele;
// get the list element to output
if((ele = p->list->child_ele(idx)) == nullptr )
{
rc = cwLogError(kEleNotFoundRC,"The list element at index %i could not be accessed.",idx);
goto errLabel;
}
// get the value of the list element
if((rc = ele->value(v)) != kOkRC )
{
rc = cwLogError(rc,"List value access failed on index %i",idx);
goto errLabel;
}
// set the output
if((rc = var_set(proc,vid,kAnyChIdx,v)) != kOkRC )
{
rc = cwLogError(rc,"List output failed on index %i",idx);
goto errLabel;
}
errLabel:
return rc;
}
rc_t _set_output( proc_t* proc, inst_t* p, unsigned idx, unsigned vid )
{
rc_t rc;
switch( p->typeFl )
{
case kUIntTFl:
{
unsigned v;
rc = _set_out_tmpl(proc,p,idx,vid,v);
}
break;
case kIntTFl:
{
int v;
rc = _set_out_tmpl(proc,p,idx,vid,v);
}
break;
case kFloatTFl:
{
float v;
rc = _set_out_tmpl(proc,p,idx,vid,v);
}
break;
case kDoubleTFl:
{
double v;
rc = _set_out_tmpl(proc,p,idx,vid,v);
}
break;
case kStringTFl:
{
const char* v;
rc = _set_out_tmpl(proc,p,idx,vid,v);
}
break;
case kCfgTFl:
{
const object_t* v;
rc = _set_out_tmpl(proc,p,idx,vid,v);
}
break;
default:
rc = cwLogError(kInvalidArgRC,"The list type flag %s (0x%x) is not valid.",value_type_flag_to_label(p->typeFl),p->typeFl);
goto errLabel;
break;
}
errLabel:
return rc;
}
rc_t _set_output( proc_t* proc, inst_t* p )
{
rc_t rc;
unsigned idx;
if((rc = var_get(proc,kInPId,kAnyChIdx,idx)) != kOkRC )
{
rc = cwLogError(rc,"Unable to get the list index.");
goto errLabel;
}
// if the index has not changed then there is nothing to do
if( idx == p->index )
goto errLabel;
if((rc = _set_output(proc,p,idx, kOutPId )) != kOkRC )
goto errLabel;
p->index = idx;
errLabel:
return rc;
}
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
const char* cfg_fname = nullptr;
char* exp_cfg_fname = nullptr;
unsigned index = kInvalidIdx;
const object_t* list_arg = nullptr;
inst_t* p = mem::allocZ<inst_t>();
proc->userPtr = p;
variable_t* dum = nullptr;
p->index = kInvalidIdx;
p->typeFl = kInvalidTFl;
p->deltaFl = false;
if((rc = var_register_and_get(proc, kAnyChIdx,
kCfgFnamePId, "cfg_fname", kBaseSfxId, cfg_fname,
kInPId, "in", kBaseSfxId, index,
kListPId, "list", kBaseSfxId, list_arg)) != kOkRC )
{
goto errLabel;
}
if( cfg_fname != nullptr && textLength(cfg_fname)!=0 )
{
if((exp_cfg_fname = proc_expand_filename(proc,cfg_fname)) == nullptr )
{
rc = cwLogError(kInvalidArgRC,"The list cfg filename could not be formed.");
goto errLabel;
}
if((rc = objectFromFile(exp_cfg_fname,p->file_list)) != kOkRC )
{
rc = cwLogError(rc,"The list configuration file '%s' could not be parsed.",cwStringNullGuard(exp_cfg_fname));
goto errLabel;
}
if((rc = p->file_list->getv("list",p->list)) != kOkRC )
{
rc = cwLogError(rc,"The list configuration file '%s' does not have a 'list' field.",cwStringNullGuard(exp_cfg_fname));
goto errLabel;
}
}
else
{
p->list = list_arg;
}
if( !p->list->is_list() )
{
cwLogError(kSyntaxErrorRC,"The list cfg. value is not a list.");
goto errLabel;
}
p->listN = p->list->child_count();
// determine what type of element is in the list
// (all elements in the this list must be of the same type: numeric,string,cfg)
if((rc = _determine_type( p->list, p->typeFl )) != kOkRC )
goto errLabel;
// create the output variable
if((rc = var_create( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, nullptr, p->typeFl, dum )) != kOkRC )
{
rc = cwLogError(rc,"'out' var create failed.");
goto errLabel;
}
// set the initial value of the output
if((rc = _set_output(proc,p)) != kOkRC )
goto errLabel;
// create the output variable
for(unsigned i=0; i<p->listN; ++i)
{
if((rc = var_create( proc, "value", i, kValueBasePId+i, kAnyChIdx, nullptr, p->typeFl, dum )) != kOkRC )
{
rc = cwLogError(rc,"'value%i' var create failed.",i);
goto errLabel;
}
if((rc = _set_output(proc, p, i, kValueBasePId+i )) != kOkRC )
{
rc = cwLogError(rc,"'value%i' output failed.",i);
goto errLabel;
}
}
errLabel:
mem::release(exp_cfg_fname);
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* p = (inst_t*)proc->userPtr;
if(p->file_list != nullptr )
p->file_list->free();
mem::release(p);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
if( var->vid == kInPId )
{
inst_t* p = (inst_t*)proc->userPtr;
unsigned idx;
if( var_get(var,idx) == kOkRC && idx != p->index)
p->deltaFl = true;
}
return rc;
}
rc_t exec( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* p = (inst_t*)proc->userPtr;
if( p->deltaFl )
{
rc = _set_output(proc, p );
p->deltaFl = false;
}
return rc;
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// add
//
namespace add
{
enum {
kOutPId,
kOTypePId,
kInPId
};
typedef struct
{
bool delta_fl;
unsigned inN;
} inst_t;
template< typename T >
rc_t _sum( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
inst_t* p = (inst_t*)proc->userPtr;
T sum = 0;
// read and sum the inputs
for(unsigned i=0; i<p->inN; ++i)
{
T val;
if((rc = var_get(proc,kInPId+i,kAnyChIdx,val)) == kOkRC )
sum += val;
else
{
rc = cwLogError(rc,"Operand index %i read failed.",i);
goto errLabel;
}
}
// set the output
if((rc = var_set(var,sum)) != kOkRC )
{
rc = cwLogError(rc,"Result set failed.");
goto errLabel;
}
errLabel:
return rc;
}
rc_t _exec( proc_t* proc, variable_t* out_var=nullptr )
{
rc_t rc = kOkRC;
inst_t* p = (inst_t*)(proc->userPtr);
if( !p->delta_fl )
return rc;
p->delta_fl = false;
if( out_var == nullptr )
if((rc = var_find(proc,kOutPId,kAnyChIdx,out_var)) != kOkRC )
{
rc = cwLogError(rc,"The output variable could not be found.");
goto errLabel;
}
switch( out_var->varDesc->type )
{
case kBoolTFl: rc = _sum<bool>(proc,out_var); break;
case kUIntTFl: rc = _sum<unsigned>(proc,out_var); break;
case kIntTFl: rc = _sum<int>(proc,out_var); break;
case kFloatTFl: rc = _sum<float>(proc,out_var); break;
case kDoubleTFl: rc = _sum<double>(proc,out_var); break;
default:
rc = cwLogError(kInvalidArgRC,"The output type %s (0x%x) is not valid.",value_type_flag_to_label(out_var->value->tflag),out_var->value->tflag);
goto errLabel;
}
if(rc != kOkRC )
rc = cwLogError(kOpFailRC,"Sum failed.");
errLabel:
return rc;
}
rc_t create( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* p = mem::allocZ<inst_t>();
proc->userPtr = p;
variable_t* out_var = nullptr;
const char* out_type_label = nullptr;
unsigned out_type_flag = kInvalidTFl;
unsigned sfxIdAllocN = proc_var_count(proc);
unsigned sfxIdA[ sfxIdAllocN ];
p->inN = 0;
// get a count of the number of input variables
if((rc = var_mult_sfx_id_array(proc, "in", sfxIdA, sfxIdAllocN, p->inN )) != kOkRC )
{
rc = cwLogError(rc,"Unable to obtain the array of mult label-sfx-id's for the variable 'in'.");
goto errLabel;
}
// if the adder has no inputs
if( p->inN == 0 )
{
rc = cwLogError(rc,"The 'add' unit '%s' appears to not have any inputs.",cwStringNullGuard(proc->label));
goto errLabel;
}
// sort the input id's in ascending order
std::sort(sfxIdA, sfxIdA + p->inN, [](unsigned& a,unsigned& b){ return a<b; } );
// register each of the input vars
for(unsigned i=0; i<p->inN; ++i)
{
variable_t* dum;
if((rc = var_register(proc, "in", sfxIdA[i], kInPId+i, kAnyChIdx, nullptr, dum )) != kOkRC )
{
rc = cwLogError(rc,"Variable registration failed for the variable 'in:%i'.",sfxIdA[i]);;
goto errLabel;
}
}
// Get the output type label as a string
if((rc = var_register_and_get(proc,kAnyChIdx,kOTypePId,"otype",kBaseSfxId,out_type_label)) != kOkRC )
{
rc = cwLogError(rc,"Variable registration failed for the variable 'otype:0'.");;
goto errLabel;
}
// Convert the output type label into a flag
if((out_type_flag = value_type_label_to_flag(out_type_label)) == kInvalidTFl )
{
rc = cwLogError(rc,"The type label '%s' does not identify a valid type.",cwStringNullGuard(out_type_label));;
goto errLabel;
}
// Create the output var
if((rc = var_create( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, nullptr, out_type_flag, out_var )) != kOkRC )
{
rc = cwLogError(rc,"The output variable create failed.");
goto errLabel;
}
/*
if((rc = var_set(proc,kOutPId,kAnyChIdx,0.0)) != kOkRC )
{
rc = cwLogError(rc,"Initial output variable set failed.");
goto errLabel;
}
*/
p->delta_fl=true;
_exec(proc,out_var);
errLabel:
return rc;
}
rc_t destroy( proc_t* proc )
{
rc_t rc = kOkRC;
inst_t* p = (inst_t*)proc->userPtr;
mem::release(p);
return rc;
}
rc_t value( proc_t* proc, variable_t* var )
{
rc_t rc = kOkRC;
inst_t* p = (inst_t*)(proc->userPtr);
// The check for 'isInRuntimeFl' prevents the adder from issuing an output
// on cycle 0 - otherwise the delta flag will be set by the adder
// receiving pre-runtime messages.
if( kInPId <= var->vid && var->vid < kInPId+p->inN && proc->ctx->isInRuntimeFl )
p->delta_fl = true;
return rc;
}
rc_t exec( proc_t* proc )
{
return _exec(proc);
}
class_members_t members = {
.create = create,
.destroy = destroy,
.value = value,
.exec = exec,
.report = nullptr
};
}
//------------------------------------------------------------------------------------------------------------------
//
// preset
//
namespace preset
{
enum { kInPId };
enum { kPresetLabelCharN=255 };
typedef struct
{
char preset_label[ kPresetLabelCharN+1];
bool delta_fl;
} inst_t;
rc_t _set_preset( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
unsigned presetLabelCharN = 0;
const char* preset_label = nullptr;
// get the preset label
if((rc = var_get(proc, kInPId, kAnyChIdx, preset_label)) != kOkRC )
{
rc = cwLogError(rc,"The variable 'in read failed.");
goto errLabel;
}
// at this point a valid preset-label must exist
if( preset_label == nullptr || (presetLabelCharN=textLength(preset_label))==0 )
{
rc = cwLogError(kInvalidArgRC,"Preset application failed due to blank preset label.");
goto errLabel;
}
// if the preset-label has not changed since the last preset application - then there is nothing to do
if( textIsEqual(preset_label,p->preset_label) )
goto errLabel;
// verify the preset-label is not too long
if( presetLabelCharN > kPresetLabelCharN )
{
rc = cwLogError(kBufTooSmallRC,"The preset label '%s' is to long.",cwStringNullGuard(preset_label));
goto errLabel;
}
cwRuntimeCheck(proc->net != nullptr );
// apply the preset
if((rc = network_apply_preset(*proc->net, preset_label)) != kOkRC )
{
rc = cwLogError(rc,"Appy preset '%s' failed.",cwStringNullGuard(preset_label));
goto errLabel;
}
// store the applied preset-label
textCopy(p->preset_label,kPresetLabelCharN,preset_label,presetLabelCharN);
errLabel:
return rc;
}
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
// Custom create code goes here
const char* label = nullptr;
p->preset_label[0] = 0;
p->delta_fl = true;
if((rc = var_register_and_get(proc,kAnyChIdx,kInPId,"in",kBaseSfxId,label)) != kOkRC )
goto errLabel;
// we can't apply a preset here because the network is not yet constructed
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{ return kOkRC; }
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
rc_t rc = kOkRC;
if( var->vid == kInPId )
p->delta_fl = true;
return rc;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
if( p->delta_fl )
rc = _set_preset(proc,p);
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// Print
//
namespace print
{
enum {
kTextPId,
kBaseInPId
};
typedef struct
{
unsigned eolPId;
unsigned inVarN;
const char** labelA;
unsigned labelN;
} inst_t;
rc_t _parse_label_array( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
const object_t* textListCfg = nullptr;
unsigned textListN = 0;
// get the text list
if((rc = var_get(proc,kTextPId,kAnyChIdx,textListCfg)) != kOkRC )
{
goto errLabel;
}
if(( textListN = textListCfg->child_count()) != p->labelN )
{
cwLogWarning("The count of labels does in print proc '%s' does not match the count of inputs plus one. %i != %i",proc->label,textListN,textListCfg->child_count());
}
// for each string in the list
for(unsigned i=0; i<textListN && i<p->labelN; ++i)
{
const object_t* textCfg = textListCfg->child_ele(i);
if( textCfg==nullptr || !textCfg->is_string() )
rc = cwLogError(kSyntaxErrorRC,"The print proc '%s' text list must be a list of strings.",proc->label);
if((rc = textCfg->value(p->labelA[i])) != kOkRC )
rc = cwLogError(kSyntaxErrorRC,"The print proc '%s' text label at index could not be read.");
}
// fill in any unspecified labels with blank strings
for(unsigned i=textListN; i<p->labelN; ++i)
p->labelA[i] = "";
errLabel:
return rc;
}
rc_t _print_field( proc_t* proc, inst_t* p, unsigned field_idx, const value_t* value )
{
if( field_idx >= p->inVarN )
{
assert( p->labelA[p->labelN-1] != nullptr );
cwLogPrint("%s\n",p->labelA[p->labelN-1]);
}
else
{
assert( field_idx<p->labelN && p->labelA[field_idx] != nullptr );
cwLogPrint("%s ",p->labelA[field_idx]);
value_print(value);
}
return kOkRC;
}
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
unsigned inVarN = var_mult_count(proc, "in" );
unsigned inVarSfxIdA[ inVarN ];
if((rc = var_register(proc,kAnyChIdx,kTextPId,"text",kBaseSfxId)) != kOkRC )
{
goto errLabel;
}
if((rc = var_mult_sfx_id_array(proc, "in", inVarSfxIdA, inVarN, p->inVarN )) != kOkRC )
{
goto errLabel;
}
for(unsigned i=0; i<p->inVarN; ++i)
{
if((rc = var_register(proc,kAnyChIdx,kBaseInPId+i,"in",inVarSfxIdA[i])) != kOkRC )
{
goto errLabel;
}
}
// There must be one label for each input plus an end of line label
p->labelN = p->inVarN+1;
p->labelA = mem::allocZ<const char*>( p->labelN );
p->eolPId = kBaseInPId + p->inVarN;
// Register the eol_fl with the highest variable id - so that it is called last during the later stage
// of proc initialization where the value() function is called for each variable.
// This way the EOL message will occur after all the 'in' values have been printed.
if((rc = var_register(proc,kAnyChIdx,p->eolPId,"eol_fl",kBaseSfxId)) != kOkRC )
{
goto errLabel;
}
for(unsigned i=0; i<p->labelN; ++i)
p->labelA[i] = "";
rc = _parse_label_array(proc,p);
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
mem::release(p->labelA);
p->labelN=0;
p->inVarN=0;
return kOkRC;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
switch( var->vid )
{
case kTextPId:
_parse_label_array(proc,p);
break;
default:
//printf("[%i %i] ",proc->ctx->cycleIndex,var->vid);
/*
if( var->vid == p->eolPId )
_print_field(proc,p,p->inVarN,nullptr);
else
{
if( kBaseInPId <= var->vid && var->vid <= kBaseInPId + p->inVarN )
{
_print_field(proc,p,var->vid - kBaseInPId,var->value);
}
}
*/
if( var->vid == p->eolPId )
{
for(unsigned vid = kBaseInPId; vid<kBaseInPId + p->inVarN; vid+=1 )
{
variable_t* v = nullptr;
if(var_find(proc, vid, kAnyChIdx, v) != kOkRC )
continue;
_print_field(proc, p, vid - kBaseInPId, v->value);
}
_print_field(proc,p,p->inVarN,nullptr);
}
}
// always report success - don't let print() interrupt the network
return kOkRC;
}
rc_t _exec( proc_t* proc, inst_t* p )
{ return kOkRC; }
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// Halt
//
namespace halt
{
enum {
kInPId
};
typedef struct
{
bool halt_fl;
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
return var_register(proc,kAnyChIdx,kInPId,"in",kBaseSfxId);
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
return kOkRC;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
rc_t rc = kOkRC;
if( proc->ctx->isInRuntimeFl && var->vid == kInPId )
{
p->halt_fl = true;
}
return rc;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
return p->halt_fl ? kEofRC : kOkRC;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// midi_msg
//
namespace midi_msg
{
enum {
kChPId,
kStatusPId,
kD0_PId,
kD1_PId,
kTriggerPId,
kBufCntPId,
kOutPId
};
typedef struct
{
midi::ch_msg_t* msgA;
unsigned msgN;
unsigned msg_idx;
uint8_t ch;
uint8_t status;
uint8_t d0;
uint8_t d1;
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
if((rc = var_register(proc,kAnyChIdx,
kChPId,"ch",kBaseSfxId,
kStatusPId,"status",kBaseSfxId,
kD0_PId,"d0",kBaseSfxId,
kD1_PId,"d1",kBaseSfxId,
kTriggerPId,"trigger",kBaseSfxId)) != kOkRC )
{
goto errLabel;
}
if((rc = var_register_and_get(proc,kAnyChIdx,kBufCntPId,"buf_cnt",kBaseSfxId,p->msgN)) != kOkRC )
{
goto errLabel;
}
p->msgA = mem::allocZ<midi::ch_msg_t>(p->msgN);
// create one output MIDI buffer
rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, nullptr, 0 );
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
mem::release(p->msgA);
return kOkRC;
}
rc_t _set_midi_byte_value( proc_t* proc, inst_t* p, unsigned vid, const char* label, uint8_t max_val, uint8_t& midi_byte_ref )
{
rc_t rc;
unsigned v;
if((rc = var_get(proc,vid,kAnyChIdx,v)) != kOkRC )
goto errLabel;
if( 0 <= v && v <= max_val )
midi_byte_ref = (uint8_t)v;
else
{
rc = cwLogError(kInvalidArgRC,"MIDI %s value (%i) is out of range 0-%i.",label,v,max_val);
goto errLabel;
}
errLabel:
return rc;
}
rc_t _store_msg( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
if( p->msg_idx >= p->msgN )
rc = cwLogError(kBufTooSmallRC,"MIDI buffer overflow.");
else
{
midi::ch_msg_t* m = p->msgA + p->msg_idx;
time::now(m->timeStamp);
m->devIdx = kInvalidIdx;
m->portIdx = 0;
m->uid = 0;
m->ch = p->ch;
m->status = p->status;
m->d0 = p->d0;
m->d1 = p->d1;
p->msg_idx += 1;
}
return rc;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
rc_t rc = kOkRC;
switch( var->vid )
{
case kChPId:
rc = _set_midi_byte_value(proc,p,kChPId,"channel",midi::kMidiChCnt,p->ch);
break;
case kStatusPId:
rc = _set_midi_byte_value(proc,p,kStatusPId,"status",255,p->status);
break;
case kD0_PId:
rc = _set_midi_byte_value(proc,p,kD0_PId,"d0",127,p->d0);
break;
case kD1_PId:
rc = _set_midi_byte_value(proc,p,kD1_PId,"d1",127,p->d1);
break;
case kTriggerPId:
rc = _store_msg(proc,p);
break;
}
return rc;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
mbuf_t* mbuf = nullptr;
// get the output variable
if((rc = var_get(proc,kOutPId,kAnyChIdx,mbuf)) != kOkRC )
rc = cwLogError(kInvalidStateRC,"The MIDI msg. instance '%s' does not have a valid MIDI output buffer.",proc->label);
else
{
mbuf->msgN = p->msg_idx;
mbuf->msgA = p->msg_idx > 0 ? p->msgA : nullptr;
}
p->msg_idx = 0;
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// midi_split
//
namespace midi_split
{
enum {
kInPId,
kChPId,
kStatusPId,
kD0PId,
kD1PId,
kBufCntPId
};
typedef struct
{
midi::ch_msg_t* msgA;
unsigned msgN;
unsigned msg_idx;
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
if((rc = var_register(proc,kAnyChIdx,
kInPId,"in",kBaseSfxId,
kChPId,"ch",kBaseSfxId,
kStatusPId,"status",kBaseSfxId,
kD0PId,"d0",kBaseSfxId,
kD1PId,"d1",kBaseSfxId)) != kOkRC )
{
goto errLabel;
}
if((rc = var_register_and_get(proc,kAnyChIdx,kBufCntPId,"buf_cnt",kBaseSfxId,p->msgN)) != kOkRC )
{
goto errLabel;
}
p->msgA = mem::allocZ<midi::ch_msg_t>(p->msgN);
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
mem::release(p->msgA);
return rc;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
rc_t rc = kOkRC;
return rc;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
mbuf_t* mbuf = nullptr;
if((rc = var_get(proc,kInPId,kAnyChIdx,mbuf)) != kOkRC )
goto errLabel;
for(unsigned i=0; i<mbuf->msgN; ++i)
{
var_set(proc, kChPId, kAnyChIdx, mbuf->msgA[i].ch);
var_set(proc, kStatusPId, kAnyChIdx, mbuf->msgA[i].status);
var_set(proc, kD0PId, kAnyChIdx, mbuf->msgA[i].d0);
var_set(proc, kD1PId, kAnyChIdx, mbuf->msgA[i].d1);
}
errLabel:
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// midi_file
//
namespace midi_file
{
enum {
kMidiFileNamePId,
kCsvFileNamePId,
kDoneFlPId,
kOutPId
};
typedef struct msg_str
{
unsigned sample_idx;
midi::ch_msg_t* m;
} msg_t;
typedef struct
{
midi::file::handle_t mfH;
msg_t* msgA;
midi::ch_msg_t* chMsgA;
unsigned msgN;
unsigned msg_idx;
unsigned sample_idx;
char* midi_fname;
char* csv_fname;
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
const char* midi_fname = nullptr;
const char* csv_fname = nullptr;
const midi::file::trackMsg_t** tmA = nullptr;
unsigned msgAllocN = 0;
bool done_fl = false;
time::spec_t asecs;
time::setZero(asecs);
if((rc = var_register_and_get(proc,kAnyChIdx,
kMidiFileNamePId, "fname", kBaseSfxId, midi_fname,
kCsvFileNamePId, "csv_fname", kBaseSfxId, csv_fname,
kDoneFlPId, "done_fl", kBaseSfxId, done_fl)) != kOkRC )
{
goto errLabel;
}
if( csv_fname != nullptr && textLength(csv_fname)>0 )
if((p->csv_fname = proc_expand_filename(proc,csv_fname)) == nullptr )
{
rc = cwLogError(kInvalidArgRC,"The MIDI CSV filename could not be formed.");
goto errLabel;
}
if( midi_fname != nullptr && textLength(midi_fname)>0 )
if((p->midi_fname = proc_expand_filename(proc,midi_fname)) == nullptr )
{
rc = cwLogError(kInvalidArgRC,"The MIDI filename could not be formed.");
goto errLabel;
}
if( p->midi_fname != nullptr && textLength(p->midi_fname) > 0 )
{
if((rc = midi::file::open(p->mfH,p->midi_fname)) != kOkRC )
goto errLabel;
}
else
{
if( p->csv_fname != nullptr && textLength(p->csv_fname)>0 )
{
if((rc = midi::file::open_csv(p->mfH,p->csv_fname)) != kOkRC )
goto errLabel;
}
else
{
rc = cwLogError(kOpenFailRC,"No MIDI or CSV filename was given.");
}
}
// create one output MIDI buffer
rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, nullptr, 0 );
tmA = msgArray(p->mfH);
msgAllocN = msgCount(p->mfH);
p->msgA = mem::allocZ<msg_t>(msgAllocN);
p->chMsgA = mem::allocZ<midi::ch_msg_t>(msgAllocN);
p->msg_idx = 0;
for(unsigned i=0; i<msgAllocN; ++i)
{
const midi::file::trackMsg_t* tm = tmA[i];
msg_t* m = p->msgA + p->msg_idx;
m->m = p->chMsgA + p->msg_idx;
time::microsecondsToSpec( m->m->timeStamp, tmA[i]->amicro );
m->sample_idx = (unsigned)(proc->ctx->sample_rate * time::specToSeconds(m->m->timeStamp));
m->m->devIdx = 0;
m->m->portIdx = 0;
m->m->uid = tmA[i]->uid;
if( midi::isChStatus(tm->status) )
{
m->m->status = tmA[i]->status & 0xf0;
m->m->ch = tmA[i]->u.chMsgPtr->ch;
m->m->d0 = tmA[i]->u.chMsgPtr->d0;
m->m->d1 = tmA[i]->u.chMsgPtr->d1;
//printf("%lli %f %f %i %i ch:%i st:%i d0:%i d1:%i\n",tmA[i]->amicro/1000,secs,m->sample_idx/proc->ctx->sample_rate, p->msg_idx, m->m->uid, m->m->ch, m->m->status, m->m->d0, m->m->d1);
p->msg_idx += 1;
}
}
p->msgN = p->msg_idx;
p->msg_idx = 0;
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
mem::release(p->midi_fname);
mem::release(p->csv_fname);
close(p->mfH);
return rc;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
rc_t rc = kOkRC;
return rc;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
mbuf_t* mbuf = nullptr;
bool done_fl = false;
p->sample_idx += proc->ctx->framesPerCycle;
// get the output variable
if((rc = var_get(proc,kOutPId,kAnyChIdx,mbuf)) != kOkRC )
rc = cwLogError(kInvalidStateRC,"The MIDI file instance '%s' does not have a valid MIDI output buffer.",proc->label);
else
{
mbuf->msgA = nullptr;
mbuf->msgN = 0;
while( p->msg_idx < p->msgN && p->sample_idx >= p->msgA[p->msg_idx].sample_idx )
{
if( mbuf->msgA == nullptr )
mbuf->msgA = p->msgA[p->msg_idx].m;
mbuf->msgN += 1;
p->msg_idx += 1;
//printf("si:%i next:%i mi:%i\n",p->sample_idx,p->msgA[p->msg_idx].sample_idx,p->msg_idx);
done_fl = p->msg_idx == p->msgN;
}
if( done_fl )
var_set(proc, kDoneFlPId, kAnyChIdx, true );
}
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
//------------------------------------------------------------------------------------------------------------------
//
// midi_merge
//
namespace midi_merge
{
enum
{
kOutPId,
kBufMsgCntPId,
kBaseInPId,
};
typedef struct
{
external_device_t* ext_dev;
unsigned inVarN;
unsigned msgN;
midi::ch_msg_t* msgA;
unsigned msg_idx;
} inst_t;
rc_t _create( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC; //
unsigned inVarN = var_mult_count(proc,"in");
unsigned sfxIdA[ inVarN ];
// get the the sfx_id's of the input audio variables
if((rc = var_mult_sfx_id_array(proc, "in", sfxIdA, inVarN, p->inVarN )) != kOkRC )
goto errLabel;
std::sort(sfxIdA, sfxIdA + p->inVarN, [](unsigned& a,unsigned& b){ return a<b; } );
// Register variables and get their current value
if((rc = var_register_and_get( proc, kAnyChIdx, kBufMsgCntPId,"buf_cnt", kBaseSfxId, p->msgN )) != kOkRC )
{
goto errLabel;
}
// Register each input var
for(unsigned i=0; i<p->inVarN; ++i)
if((rc = var_register( proc, kAnyChIdx, kBaseInPId+i, "in", sfxIdA[i] )) != kOkRC )
goto errLabel;
// create one output MIDI buffer
if((rc = var_register_and_set( proc, "out", kBaseSfxId, kOutPId, kAnyChIdx, nullptr, 0 )) != kOkRC )
{
goto errLabel;
}
p->msgA = mem::allocZ<midi::ch_msg_t>(p->msgN);
errLabel:
return rc;
}
rc_t _destroy( proc_t* proc, inst_t* p )
{
mem::release(p->msgA);
return kOkRC;
}
rc_t _value( proc_t* proc, inst_t* p, variable_t* var )
{
rc_t rc = kOkRC;
return rc;
}
rc_t _exec( proc_t* proc, inst_t* p )
{
rc_t rc = kOkRC;
mbuf_t* out_mbuf = nullptr;
unsigned mbufN = 0;
mbuf_t* mbufA[ p->inVarN ];
// get the output buffer
if((rc = var_get(proc,kOutPId,kAnyChIdx,out_mbuf)) != kOkRC )
{
rc = cwLogError(kInvalidStateRC,"The MIDI merge instance '%s' does not have a valid input connection.",proc->label);
goto errLabel;
}
// get the mbuf from each input
for(unsigned i=0; i<p->inVarN; ++i)
{
mbuf_t* mbuf = nullptr;
if((rc = var_get(proc, kBaseInPId+i, kAnyChIdx, mbuf)) != kOkRC )
goto errLabel;
// ... only store buffers that have events
if( mbuf->msgN )
mbufA[ mbufN++ ] = mbuf;
assert( mbufN <= p->inVarN );
}
switch( mbufN )
{
case 0:
// no midi events arrived
out_mbuf->msgA = nullptr;
out_mbuf->msgN = 0;
break;
case 1:
// exactly one full midi buffer was found
out_mbuf->msgA = mbufA[0]->msgA;
out_mbuf->msgN = mbufA[0]->msgN;
break;
default:
// multiple full midi buffers were found
{
unsigned i,j,k;
for(i=0,j=0; i<mbufN && j<p->msgN; ++i)
for(k=0; j<p->msgN && k<mbufA[i]->msgN; ++k)
p->msgA[j++] = mbufA[i]->msgA[k];
std::sort(p->msgA, p->msgA + j, [](const midi::ch_msg_t& a, const midi::ch_msg_t& b){ return time::isLTE(a.timeStamp,b.timeStamp); } );
out_mbuf->msgA = p->msg_idx > 0 ? p->msgA : nullptr;
out_mbuf->msgN = p->msg_idx;
}
}
p->msg_idx = 0;
errLabel:
return rc;
}
rc_t _report( proc_t* proc, inst_t* p )
{ return kOkRC; }
class_members_t members = {
.create = std_create<inst_t>,
.destroy = std_destroy<inst_t>,
.value = std_value<inst_t>,
.exec = std_exec<inst_t>,
.report = std_report<inst_t>
};
}
} // flow
} // cw
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