129 lines
5 KiB
C++
Executable file
129 lines
5 KiB
C++
Executable file
/******************************************************************************\
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* Copyright (c) 2004-2018
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*
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* Author(s):
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* Volker Fischer
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*
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******************************************************************************
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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\******************************************************************************/
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#if !defined ( _SOUNDIN_H__9518A621_7F78_11D3_8C0D_EEBF182CF549__INCLUDED_ )
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#define _SOUNDIN_H__9518A621_7F78_11D3_8C0D_EEBF182CF549__INCLUDED_
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#include <windows.h>
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#include <QMutex>
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#include <QMessageBox>
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#include "../src/util.h"
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#include "../src/global.h"
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#include "../src/soundbase.h"
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// copy the ASIO SDK in the llcon/windows directory: "llcon/windows/ASIOSDK2" to
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// get it work
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#include "asiosys.h"
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#include "asio.h"
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#include "asiodrivers.h"
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/* Definitions ****************************************************************/
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// stereo for input and output
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#define NUM_IN_OUT_CHANNELS 2
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/* Classes ********************************************************************/
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class CSound : public CSoundBase
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{
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public:
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CSound ( void (*fpNewCallback) ( CVector<int16_t>& psData, void* arg ), void* arg );
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virtual ~CSound() { UnloadCurrentDriver(); }
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virtual int Init ( const int iNewPrefMonoBufferSize );
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virtual void Start();
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virtual void Stop();
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virtual void OpenDriverSetup() { ASIOControlPanel(); }
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// channel selection
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virtual int GetNumInputChannels() { return static_cast<int> ( lNumInChan ); }
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virtual QString GetInputChannelName ( const int iDiD ) { return channelInfosInput[iDiD].name; }
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virtual void SetLeftInputChannel ( const int iNewChan );
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virtual void SetRightInputChannel ( const int iNewChan );
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virtual int GetLeftInputChannel() { return vSelectedInputChannels[0]; }
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virtual int GetRightInputChannel() { return vSelectedInputChannels[1]; }
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virtual int GetNumOutputChannels() { return static_cast<int> ( lNumOutChan ); }
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virtual QString GetOutputChannelName ( const int iDiD ) { return channelInfosOutput[iDiD].name; }
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virtual void SetLeftOutputChannel ( const int iNewChan );
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virtual void SetRightOutputChannel ( const int iNewChan );
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virtual int GetLeftOutputChannel() { return vSelectedOutputChannels[0]; }
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virtual int GetRightOutputChannel() { return vSelectedOutputChannels[1]; }
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virtual double GetInOutLatencyMs() { return dInOutLatencyMs; }
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protected:
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virtual QString LoadAndInitializeDriver ( int iIdx );
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virtual void UnloadCurrentDriver();
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int GetActualBufferSize ( const int iDesiredBufferSizeMono );
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QString CheckDeviceCapabilities();
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bool CheckSampleTypeSupported ( const ASIOSampleType SamType );
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void ResetChannelMapping();
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int iASIOBufferSizeMono;
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int iASIOBufferSizeStereo;
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long lNumInChan;
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long lNumOutChan;
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double dInOutLatencyMs;
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CVector<int> vSelectedInputChannels;
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CVector<int> vSelectedOutputChannels;
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CVector<int16_t> vecsTmpAudioSndCrdStereo;
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QMutex ASIOMutex;
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// utility functions
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static int16_t Flip16Bits ( const int16_t iIn );
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static int32_t Flip32Bits ( const int32_t iIn );
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static int64_t Flip64Bits ( const int64_t iIn );
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// audio hardware buffer info
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struct sHWBufferInfo
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{
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long lMinSize;
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long lMaxSize;
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long lPreferredSize;
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long lGranularity;
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} HWBufferInfo;
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// ASIO stuff
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ASIODriverInfo driverInfo;
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ASIOBufferInfo bufferInfos[2 * NUM_IN_OUT_CHANNELS]; // for input and output buffers -> "2 *"
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ASIOChannelInfo channelInfosInput[MAX_NUM_IN_OUT_CHANNELS];
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ASIOChannelInfo channelInfosOutput[MAX_NUM_IN_OUT_CHANNELS];
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bool bASIOPostOutput;
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ASIOCallbacks asioCallbacks;
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// callbacks
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static void bufferSwitch ( long index, ASIOBool processNow );
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static ASIOTime* bufferSwitchTimeInfo ( ASIOTime* timeInfo, long index, ASIOBool processNow );
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static void sampleRateChanged ( ASIOSampleRate ) {}
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static long asioMessages ( long selector, long value, void* message, double* opt );
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char* cDriverNames[MAX_NUMBER_SOUND_CARDS];
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};
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#endif // !defined ( _SOUNDIN_H__9518A621_7F78_11D3_8C0D_EEBF182CF549__INCLUDED_ )
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