120 lines
4.9 KiB
C++
Executable file
120 lines
4.9 KiB
C++
Executable file
/******************************************************************************\
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* Copyright (c) 2004-2019
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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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#pragma once
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#include <CoreAudio/CoreAudio.h>
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#include <CoreMIDI/CoreMIDI.h>
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#include <QMutex>
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#include "soundbase.h"
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#include "global.h"
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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 (*fpNewProcessCallback) ( CVector<short>& psData, void* arg ),
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void* arg,
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const int iCtrlMIDIChannel );
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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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// channel selection
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virtual int GetNumInputChannels() { return iNumInChan; }
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virtual QString GetInputChannelName ( const int iDiD ) { return sChannelNamesInput[iDiD]; }
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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 iSelInputLeftChannel; }
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virtual int GetRightInputChannel() { return iSelInputRightChannel; }
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virtual int GetNumOutputChannels() { return iNumOutChan; }
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virtual QString GetOutputChannelName ( const int iDiD ) { return sChannelNamesOutput[iDiD]; }
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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 iSelOutputLeftChannel; }
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virtual int GetRightOutputChannel() { return iSelOutputRightChannel; }
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// these variables should be protected but cannot since we want
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// to access them from the callback function
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CVector<short> vecsTmpAudioSndCrdStereo;
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int iCoreAudioBufferSizeMono;
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int iCoreAudioBufferSizeStereo;
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AudioDeviceID CurrentAudioInputDeviceID;
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AudioDeviceID CurrentAudioOutputDeviceID;
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int iNumInChan;
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int iNumOutChan;
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int iSelInputLeftChannel;
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int iSelInputRightChannel;
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int iSelOutputLeftChannel;
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int iSelOutputRightChannel;
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protected:
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virtual QString LoadAndInitializeDriver ( int iIdx );
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QString CheckDeviceCapabilities ( const int iDriverIdx );
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UInt32 SetBufferSize ( AudioDeviceID& audioDeviceID,
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const bool bIsInput,
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UInt32 iPrefBufferSize );
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void GetAudioDeviceInfos ( const AudioDeviceID DeviceID,
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QString& strDeviceName,
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bool& bIsInput,
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bool& bIsOutput );
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bool ConvertCFStringToQString ( const CFStringRef stringRef, QString& sOut );
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// callbacks
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static OSStatus deviceNotification ( AudioDeviceID,
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UInt32,
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const AudioObjectPropertyAddress* inAddresses,
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void* inRefCon );
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static OSStatus callbackIO ( AudioDeviceID inDevice,
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const AudioTimeStamp*,
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const AudioBufferList* inInputData,
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const AudioTimeStamp*,
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AudioBufferList* outOutputData,
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const AudioTimeStamp*,
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void* inRefCon );
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static void callbackMIDI ( const MIDIPacketList* pktlist,
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void* refCon,
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void* );
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AudioDeviceID audioInputDevice[MAX_NUMBER_SOUND_CARDS];
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AudioDeviceID audioOutputDevice[MAX_NUMBER_SOUND_CARDS];
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AudioDeviceIOProcID audioInputProcID;
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AudioDeviceIOProcID audioOutputProcID;
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MIDIPortRef midiInPortRef;
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QString sChannelNamesInput[MAX_NUM_IN_OUT_CHANNELS];
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QString sChannelNamesOutput[MAX_NUM_IN_OUT_CHANNELS];
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QMutex Mutex;
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};
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