80 lines
2.9 KiB
C++
Executable File
80 lines
2.9 KiB
C++
Executable File
/******************************************************************************\
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* Copyright (c) 2004-2010
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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(_SOUND_H__9518A621345F78_363456876UZGSDF82CF549__INCLUDED_)
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#define _SOUND_H__9518A621345F78_363456876UZGSDF82CF549__INCLUDED_
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#include <CoreServices/CoreServices.h>
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#include <AudioUnit/AudioUnit.h>
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#include <qmutex.h>
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#include "util.h"
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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 ), void* arg ) :
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CSoundBase ( true, fpNewProcessCallback, arg ) { OpenCoreAudio(); }
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virtual ~CSound() { CloseCoreAudio(); }
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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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// 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 iCoreAudioBufferSizeStero;
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protected:
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void OpenCoreAudio();
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void CloseCoreAudio();
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UInt32 SetBufferSize ( AudioDeviceID& audioDeviceID, const bool bIsInput,
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UInt32 iPrefBufferSize );
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// callbacks
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static OSStatus processInput ( void* inRefCon,AudioUnitRenderActionFlags* ioActionFlags,
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const AudioTimeStamp* inTimeStamp, UInt32 inBusNumber, UInt32 inNumberFrames,
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AudioBufferList* );
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static OSStatus processOutput ( void* inRefCon,AudioUnitRenderActionFlags*,
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const AudioTimeStamp*, UInt32, UInt32,
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AudioBufferList* ioData );
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ComponentInstance audioInputUnit;
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AudioDeviceID audioInputDevice;
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ComponentInstance audioOutputUnit;
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AudioDeviceID audioOutputDevice;
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AudioBufferList* pBufferList;
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QMutex Mutex;
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};
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#endif // !defined(_SOUND_H__9518A621345F78_363456876UZGSDF82CF549__INCLUDED_)
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