527 lines
19 KiB
C++
527 lines
19 KiB
C++
//| Copyright: (C) 2020-2024 Kevin Larke <contact AT larke DOT org>
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//| License: GNU GPL version 3.0 or above. See the accompanying LICENSE file.
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#include "cwCommon.h"
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#include "cwLog.h"
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#include "cwCommonImpl.h"
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#include "cwTest.h"
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#include "cwMem.h"
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#include "cwObject.h"
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#include "cwFileSys.h"
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#include "cwFile.h"
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#include "cwTime.h"
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#include "cwVectOps.h"
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#include "cwMtx.h"
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#include "cwTime.h"
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#include "cwMidiDecls.h"
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#include "cwDspTypes.h"
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#include "cwFlowDecl.h"
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#include "cwFlow.h"
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#include "cwFlowTypes.h"
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#include "cwFlowCross.h"
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#include "cwIo.h"
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#include "cwIoFlow.h"
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namespace cw
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{
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namespace io_flow
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{
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// An audio_dev_t record exists for each possible input or output device.
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typedef struct audio_dev_str
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{
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unsigned ioDevIdx; // device index in the io:: API
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unsigned ioDevId; // device id in the io:: API
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flow::abuf_t abuf; // src/dst buffer for incoming/outgoing (record/play) samples used by flow proc 'audio_in' and 'audio_out'.
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} audio_dev_t;
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typedef struct audio_group_str
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{
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double srate;
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unsigned dspFrameCnt;
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unsigned ioGroupIdx;
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audio_dev_t* iDeviceA;
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unsigned iDeviceN;
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audio_dev_t* oDeviceA;
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unsigned oDeviceN;
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} audio_group_t;
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typedef struct io_flow_str
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{
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io::handle_t ioH; //
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flow::external_device_t* deviceA; // Array of generic device descriptions used by the ioFlow controller
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unsigned deviceN; // (This array must exist for the life of ioFlow controller)
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audio_group_t* audioGroupA; // Array of real time audio device control records.
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unsigned audioGroupN; //
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flow_cross::handle_t crossFlowH; //
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} io_flow_t;
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io_flow_t* _handleToPtr( handle_t h )
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{ return handleToPtr<handle_t,io_flow_t>(h); }
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rc_t _destroy( io_flow_t* p )
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{
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flow_cross::destroy( p->crossFlowH );
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mem::release(p->deviceA);
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p->deviceN = 0;
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for(unsigned gi=0; gi<p->audioGroupN; ++gi)
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{
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audio_group_t* ag = p->audioGroupA + gi;
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for(unsigned di=0; di<ag->iDeviceN; ++di)
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mem::release( ag->iDeviceA[di].abuf.buf );
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for(unsigned di=0; di<ag->oDeviceN; ++di)
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mem::release( ag->oDeviceA[di].abuf.buf );
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mem::release( ag->iDeviceA);
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mem::release( ag->oDeviceA);
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}
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mem::release(p->audioGroupA);
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mem::release(p);
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return kOkRC;
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}
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unsigned _calc_device_count(io_flow_t* p)
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{
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unsigned devN = 0;
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devN += socketCount(p->ioH);
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devN += serialDeviceCount(p->ioH);
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unsigned midiDevN = midiDeviceCount(p->ioH);
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for(unsigned i=0; i<midiDevN; ++i)
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devN += midiDevicePortCount(p->ioH,i,true) + midiDevicePortCount(p->ioH,i,false);
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for(unsigned i=0; i<p->audioGroupN; ++i)
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devN += p->audioGroupA[i].iDeviceN + p->audioGroupA[i].oDeviceN;
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return devN;
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}
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void _setup_audio_device( io_flow_t* p,audio_dev_t* dev, unsigned inOrOutFl, unsigned ioDevIdx, unsigned dspFrameCnt )
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{
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dev->ioDevIdx = ioDevIdx;
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dev->ioDevId = audioDeviceUserId( p->ioH, ioDevIdx );
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dev->abuf.srate = audioDeviceSampleRate( p->ioH, ioDevIdx );
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dev->abuf.chN = audioDeviceChannelCount( p->ioH, ioDevIdx, inOrOutFl );
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dev->abuf.frameN = dspFrameCnt;
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dev->abuf.buf = mem::allocZ< flow::sample_t >( dev->abuf.chN * dev->abuf.frameN );
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//printf("%i %s\n", dev->abuf.chN, audioDeviceLabel( p->ioH, ioDevIdx ) );
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}
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void _setup_audio_groups( io_flow_t* p )
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{
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p->audioGroupN = audioGroupCount( p->ioH );
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p->audioGroupA = mem::allocZ<audio_group_t>( p->audioGroupN );
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for(unsigned gi=0; gi<audioGroupCount(p->ioH); ++gi)
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{
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audio_group_t* ag = p->audioGroupA + gi;
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ag->srate = audioGroupSampleRate( p->ioH, gi );
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ag->dspFrameCnt = audioGroupDspFrameCount( p->ioH, gi );
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ag->ioGroupIdx = gi;
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ag->iDeviceN = audioGroupDeviceCount( p->ioH, gi, io::kInFl );
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ag->iDeviceA = mem::allocZ< audio_dev_t >( ag->iDeviceN );
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for(unsigned gdi=0; gdi<ag->iDeviceN; ++gdi)
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_setup_audio_device( p, ag->iDeviceA + gdi, io::kInFl, audioGroupDeviceIndex( p->ioH, gi, io::kInFl, gdi), ag->dspFrameCnt );
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ag->oDeviceN = audioGroupDeviceCount( p->ioH, gi, io::kOutFl );
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ag->oDeviceA = mem::allocZ< audio_dev_t >( ag->oDeviceN );
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for(unsigned gdi=0; gdi<ag->oDeviceN; ++gdi)
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_setup_audio_device( p, ag->oDeviceA + gdi, io::kOutFl, audioGroupDeviceIndex( p->ioH, gi, io::kOutFl, gdi), ag->dspFrameCnt );
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}
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}
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rc_t _send_midi_triple( flow::external_device_t* dev, uint8_t ch, uint8_t status, uint8_t d0, uint8_t d1 )
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{
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return midiDeviceSend(((io_flow_t*)dev->reserved)->ioH, dev->ioDevIdx, dev->ioPortIdx, status |= ch, d0, d1);
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}
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void _setup_device_cfg( io_flow_t* p, flow::external_device_t* d, const char* devLabel, unsigned ioDevIdx, unsigned typeId, unsigned flags, const char* midiPortLabel=nullptr, unsigned midiPortIdx=kInvalidIdx )
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{
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d->reserved = p;
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d->devLabel = devLabel;
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d->portLabel = midiPortLabel;
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d->typeId = typeId;
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d->flags = flags;
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d->ioDevIdx = ioDevIdx;
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d->ioPortIdx = midiPortIdx;
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}
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void _setup_midi_device_cfg( io_flow_t* p, flow::external_device_t* d, const char* devLabel, unsigned ioDevIdx, unsigned flags, unsigned ioMidiPortIdx )
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{
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const char* midiPortLabel = io::midiDevicePortName(p->ioH,ioDevIdx, flags & flow::kInFl ? true : false,ioMidiPortIdx);
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_setup_device_cfg( p, d, devLabel, ioDevIdx, flow::kMidiDevTypeId, flags, midiPortLabel, ioMidiPortIdx );
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d->u.m.maxMsgCnt = io::midiDeviceMaxBufferMsgCount(p->ioH);
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d->u.m.sendTripleFunc = _send_midi_triple;
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}
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void _setup_audio_device_cfg( io_flow_t* p, flow::external_device_t* d, audio_group_t* ag, audio_dev_t* ad, unsigned flags )
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{
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_setup_device_cfg( p, d, io::audioDeviceLabel(p->ioH,ad->ioDevIdx), ad->ioDevIdx, flow::kAudioDevTypeId, flags );
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// Each audio device is given a flow::abuf to hold incoming or outgoing audio.
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// This buffer also allows the 'audio_in' and 'audio_out' flow procs to configure themselves.
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d->u.a.abuf = &ad->abuf;
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}
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void _setup_generic_device_array( io_flow_t* p )
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{
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unsigned i = 0;
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// allocate the generic device control records
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p->deviceN = _calc_device_count(p);
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p->deviceA = mem::allocZ<flow::external_device_t>( p->deviceN );
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// get serial devices
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for(unsigned di=0; i<p->deviceN && di<serialDeviceCount(p->ioH); ++di,++i)
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_setup_device_cfg( p, p->deviceA + i, io::serialDeviceLabel(p->ioH,di), di, flow::kSerialDevTypeId, flow::kInFl | flow::kOutFl );
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// get sockets
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for(unsigned di=0; i<p->deviceN && di<socketCount(p->ioH); ++di,++i)
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_setup_device_cfg( p, p->deviceA + i, io::socketLabel(p->ioH,di), di, flow::kSocketDevTypeId, flow::kInFl | flow::kOutFl );
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// get midi devices
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for(unsigned di=0; i<p->deviceN && di<midiDeviceCount(p->ioH); ++di)
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{
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// input port setup
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for(unsigned pi=0; pi<midiDevicePortCount(p->ioH,di,true); ++pi,++i)
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_setup_midi_device_cfg( p, p->deviceA + i, io::midiDeviceName(p->ioH,di), di, flow::kInFl, pi);
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// output port setup
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for(unsigned pi=0; pi<midiDevicePortCount(p->ioH,di,false); ++pi,++i)
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_setup_midi_device_cfg( p, p->deviceA + i, io::midiDeviceName(p->ioH,di), di, flow::kOutFl, pi);
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}
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// get the audio devices
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for(unsigned gi=0; gi<p->audioGroupN; ++gi)
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{
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audio_group_t* ag = p->audioGroupA + gi;
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for(unsigned di=0; i<p->deviceN && di<ag->iDeviceN; ++di,++i)
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_setup_audio_device_cfg( p, p->deviceA + i, ag, ag->iDeviceA + di, flow::kInFl );
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for(unsigned di=0; i<p->deviceN && di<ag->oDeviceN; ++di,++i)
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_setup_audio_device_cfg( p, p->deviceA + i, ag, ag->oDeviceA + di, flow::kOutFl );
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}
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assert( i == p->deviceN );
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}
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rc_t _device_index_to_abuf( io_flow_t* p, unsigned ioGroupIdx, unsigned ioDevIdx, unsigned inOrOutFl, flow::abuf_t*& abuf_ref )
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{
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rc_t rc = kOkRC;
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for(unsigned gi=0; gi<p->audioGroupN; ++gi)
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if( p->audioGroupA[gi].ioGroupIdx == ioGroupIdx )
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{
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audio_dev_t* adA = inOrOutFl == flow::kInFl ? p->audioGroupA[gi].iDeviceA : p->audioGroupA[gi].oDeviceA;
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unsigned adN = inOrOutFl == flow::kInFl ? p->audioGroupA[gi].iDeviceN : p->audioGroupA[gi].oDeviceN;
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for(unsigned di=0; di<adN; ++di)
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if( adA[di].ioDevIdx == ioDevIdx )
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{
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abuf_ref = &adA[di].abuf;
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return rc;
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}
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}
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const char* dir = inOrOutFl==flow::kInFl ? "in" : "out";
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return cwLogError(kOpFailRC,"The '%s' audio group index:%i ,device index '%i' was not found.", dir, ioGroupIdx, ioDevIdx);
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}
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void _fill_input_buffer( flow::sample_t** bufChArray, unsigned bufChArrayN, flow::abuf_t* dst_abuf )
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{
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for(unsigned i=0; i<bufChArrayN; ++i)
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{
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const flow::sample_t* src = bufChArray[i];
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flow::sample_t* dst = dst_abuf->buf + (i*dst_abuf->frameN);
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memcpy(dst,src,dst_abuf->frameN*sizeof(flow::sample_t));
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}
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}
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void _zero_output_buffer( flow::abuf_t* dst_abuf )
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{
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memset(dst_abuf->buf,0, dst_abuf->chN*dst_abuf->frameN*sizeof(flow::sample_t));
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}
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void _fill_output_buffer( const flow::abuf_t* src_abuf, flow::sample_t** bufChArray, unsigned bufChArrayN )
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{
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for(unsigned i=0; i<src_abuf->chN; ++i)
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{
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const flow::sample_t* src = src_abuf->buf + (i*src_abuf->frameN);
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flow::sample_t* dst = bufChArray[i];
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memcpy(dst,src,src_abuf->frameN*sizeof(flow::sample_t));
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}
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}
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rc_t _audio_callback( io_flow_t* p, io::audio_msg_t& m )
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{
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rc_t rc = kOkRC;
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flow::abuf_t* abuf = nullptr;
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// Get an array of incoming MIDI events which have occurred since the last call to 'io::midiDeviceBuffer()'
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unsigned midiBufMsgCnt = 0;
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const midi::ch_msg_t* midiBuf = midiDeviceBuffer(p->ioH,midiBufMsgCnt);
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// Give each MIDI input device a pointer to the incoming MIDI msgs
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for(unsigned i=0; i<p->deviceN; ++i)
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if( p->deviceA[i].typeId == flow::kMidiDevTypeId && cwIsFlag(p->deviceA[i].flags,flow::kInFl) )
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{
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p->deviceA[i].u.m.msgArray = midiBuf;
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p->deviceA[i].u.m.msgCnt = midiBufMsgCnt;
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}
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// if there is incoming (recorded) audio
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if( m.iBufChCnt > 0 )
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{
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unsigned chIdx = 0;
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// for each input device in this group
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for(io::audio_group_dev_t* agd = m.iDevL; agd!=nullptr; agd=agd->link)
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{
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// get the abuf associated with each device in this group
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if((rc = _device_index_to_abuf( p, m.groupIndex, agd->devIdx, flow::kInFl, abuf )) != kOkRC )
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goto errLabel;
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// fill the input audio buf from the the external audio device
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_fill_input_buffer( m.iBufArray + chIdx, agd->chCnt, abuf );
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chIdx += agd->chCnt;
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}
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}
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// if there are empty output (playback) buffers
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if( m.oBufChCnt > 0 )
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{
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// for each output device in this group
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for(io::audio_group_dev_t* agd=m.oDevL; agd!=nullptr; agd=agd->link)
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{
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// get the output audio buf associated with this external audio device
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if((rc = _device_index_to_abuf( p, m.groupIndex, agd->devIdx, flow::kOutFl, abuf )) != kOkRC )
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goto errLabel;
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// zerot the output buffer
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_zero_output_buffer( abuf );
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}
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}
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// update the flow network - this will generate audio into the output audio buffers
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flow_cross::exec_cycle(p->crossFlowH);
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// if there are empty output (playback) buffers
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if( m.oBufChCnt > 0 )
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{
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unsigned chIdx = 0;
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// for each output device in this group
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for(io::audio_group_dev_t* agd=m.oDevL; agd!=nullptr; agd=agd->link)
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{
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// get the output audio buf associated with this external audio device
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if((rc = _device_index_to_abuf( p, m.groupIndex, agd->devIdx, flow::kOutFl, abuf )) != kOkRC )
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goto errLabel;
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// copy the samples from the flow 'audio_out' buffers to the outgoing buffer passed from the device driver
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_fill_output_buffer( abuf, m.oBufArray + chIdx, agd->chCnt );
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chIdx += agd->chCnt;
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}
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}
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errLabel:
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// Drop the MIDI messages that were processed on this call.
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midiDeviceClearBuffer(p->ioH,midiBufMsgCnt);
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return rc;
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}
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}
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}
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cw::rc_t cw::io_flow::create( handle_t& hRef,
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io::handle_t ioH,
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double srate,
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unsigned crossFadeCnt,
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const object_t& flow_class_dict,
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const object_t& network_cfg )
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{
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rc_t rc;
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if((rc = destroy(hRef)) != kOkRC )
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return rc;
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io_flow_t* p = mem::allocZ<io_flow_t>();
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p->ioH = ioH;
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// allocate p->audioGroupA[] and create the audio input/output buffers associated with each audio device
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_setup_audio_groups(p);
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// setup the control record for each external device known to the IO interface
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_setup_generic_device_array(p);
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// create the flow object
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if((rc = flow_cross::create( p->crossFlowH, flow_class_dict, network_cfg, srate, crossFadeCnt, p->deviceA, p->deviceN )) != kOkRC )
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{
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cwLogError(rc,"The 'flow' object create failed.");
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goto errLabel;
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}
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//flow_cross::print(p->crossFlowH);
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hRef.set(p);
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errLabel:
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if( rc != kOkRC )
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{
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rc = cwLogError(rc,"io_flow create failed.");
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_destroy(p);
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}
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return rc;
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}
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cw::rc_t cw::io_flow::destroy( handle_t& hRef )
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{
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rc_t rc = kOkRC;;
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if( !hRef.isValid() )
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return rc;
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io_flow_t* p = _handleToPtr(hRef);
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if((rc = _destroy(p)) != kOkRC )
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return rc;
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hRef.clear();
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return rc;
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}
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unsigned cw::io_flow::preset_cfg_flags( handle_t h )
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{
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io_flow_t* p = _handleToPtr(h);
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return preset_cfg_flags(p->crossFlowH);
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}
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cw::rc_t cw::io_flow::exec( handle_t h, const io::msg_t& msg )
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{
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rc_t rc = kOkRC;
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io_flow_t* p = _handleToPtr(h);
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switch( msg.tid )
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{
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case io::kAudioTId:
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if( msg.u.audio != nullptr )
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_audio_callback(p,*msg.u.audio);
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break;
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default:
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rc = kOkRC;
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}
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return rc;
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}
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cw::rc_t cw::io_flow::apply_preset( handle_t h, unsigned crossFadeMs, const char* presetLabel )
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{
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rc_t rc;
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if((rc = apply_preset( h, flow_cross::kNextDestId, presetLabel )) == kOkRC )
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rc = begin_cross_fade( h, crossFadeMs );
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return rc;
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}
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cw::rc_t cw::io_flow::apply_preset( handle_t h, flow_cross::destId_t destId, const char* presetLabel )
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{ return apply_preset( _handleToPtr(h)->crossFlowH, destId, presetLabel ); }
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cw::rc_t cw::io_flow::apply_preset( handle_t h, flow_cross::destId_t destId, const flow::multi_preset_selector_t& multi_preset_sel )
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{ return apply_preset( _handleToPtr(h)->crossFlowH, destId, multi_preset_sel ); }
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cw::rc_t cw::io_flow::set_variable_value( handle_t h, flow_cross::destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, bool value )
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{ return flow_cross::set_variable_value( _handleToPtr(h)->crossFlowH, destId, inst_label, var_label, chIdx, value ); }
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cw::rc_t cw::io_flow::set_variable_value( handle_t h, flow_cross::destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, int value )
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{ return flow_cross::set_variable_value( _handleToPtr(h)->crossFlowH, destId, inst_label, var_label, chIdx, value ); }
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cw::rc_t cw::io_flow::set_variable_value( handle_t h, flow_cross::destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, unsigned value )
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{ return flow_cross::set_variable_value( _handleToPtr(h)->crossFlowH, destId, inst_label, var_label, chIdx, value ); }
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cw::rc_t cw::io_flow::set_variable_value( handle_t h, flow_cross::destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, float value )
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{ return flow_cross::set_variable_value( _handleToPtr(h)->crossFlowH, destId, inst_label, var_label, chIdx, value ); }
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cw::rc_t cw::io_flow::set_variable_value( handle_t h, flow_cross::destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, double value )
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{ return flow_cross::set_variable_value( _handleToPtr(h)->crossFlowH, destId, inst_label, var_label, chIdx, value ); }
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cw::rc_t cw::io_flow::begin_cross_fade( handle_t h, unsigned crossFadeMs )
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{ return flow_cross::begin_cross_fade( _handleToPtr(h)->crossFlowH, crossFadeMs ); }
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cw::rc_t cw::io_flow::get_variable_value( handle_t h, flow_cross::destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, bool& valueRef )
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{ return flow_cross::get_variable_value( _handleToPtr(h)->crossFlowH, destId, inst_label, var_label, chIdx, valueRef ); }
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cw::rc_t cw::io_flow::get_variable_value( handle_t h, flow_cross::destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, int& valueRef )
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{ return flow_cross::get_variable_value( _handleToPtr(h)->crossFlowH, destId, inst_label, var_label, chIdx, valueRef ); }
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cw::rc_t cw::io_flow::get_variable_value( handle_t h, flow_cross::destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, unsigned& valueRef )
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{ return flow_cross::get_variable_value( _handleToPtr(h)->crossFlowH, destId, inst_label, var_label, chIdx, valueRef ); }
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cw::rc_t cw::io_flow::get_variable_value( handle_t h, flow_cross::destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, float& valueRef )
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{ return flow_cross::get_variable_value( _handleToPtr(h)->crossFlowH, destId, inst_label, var_label, chIdx, valueRef ); }
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cw::rc_t cw::io_flow::get_variable_value( handle_t h, flow_cross::destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, double& valueRef )
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{ return flow_cross::get_variable_value( _handleToPtr(h)->crossFlowH, destId, inst_label, var_label, chIdx, valueRef ); }
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void cw::io_flow::print( handle_t h )
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{ return flow_cross::print( _handleToPtr(h)->crossFlowH ); }
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void cw::io_flow::print_network( handle_t h, flow_cross::destId_t destId )
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{ return flow_cross::print_network( _handleToPtr(h)->crossFlowH, destId ); }
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void cw::io_flow::report( handle_t h )
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{ flow_cross::report( _handleToPtr(h)->crossFlowH ); }
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