jamulus/windows/sound.h

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/******************************************************************************\
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* Copyright (c) 2004-2010
*
* Author(s):
* Volker Fischer
*
******************************************************************************
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
\******************************************************************************/
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#if !defined ( _SOUNDIN_H__9518A621_7F78_11D3_8C0D_EEBF182CF549__INCLUDED_ )
#define _SOUNDIN_H__9518A621_7F78_11D3_8C0D_EEBF182CF549__INCLUDED_
#include <windows.h>
#include <qmutex.h>
#include <qmessagebox.h>
#include "../src/util.h"
#include "../src/global.h"
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#include "../src/soundbase.h"
// copy the ASIO SDK in the llcon/windows directory: "llcon/windows/ASIOSDK2" to
// get it work
#include "asiosys.h"
#include "asio.h"
#include "asiodrivers.h"
/* Definitions ****************************************************************/
#define NUM_IN_OUT_CHANNELS 2 /* Stereo recording (but we only
use one channel for recording) */
#define MAX_SND_BUF_IN 100
#define MAX_SND_BUF_OUT 100
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#define NUM_SOUND_BUFFERS_IN 4
#define NUM_SOUND_BUFFERS_OUT 4
/* Classes ********************************************************************/
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class CSound : public CSoundBase
{
public:
CSound ( void (*fpNewCallback) ( CVector<int16_t>& psData, void* arg ), void* arg );
virtual ~CSound();
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virtual int Init ( const int iNewPrefMonoBufferSize );
virtual void Start();
virtual void Stop();
virtual void OpenDriverSetup() { ASIOControlPanel(); }
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int GetNumDev() { return lNumDevs; }
QString GetDeviceName ( const int iDiD ) { return cDriverNames[iDiD]; }
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QString SetDev ( const int iNewDev );
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int GetDev() { return lCurDev; }
protected:
QVector<QString> LoadAndInitializeFirstValidDriver();
QString LoadAndInitializeDriver ( int iIdx );
int GetActualBufferSize ( const int iDesiredBufferSizeMono );
QString CheckDeviceCapabilities();
// utility functions
static int16_t Flip16Bits ( const int16_t iIn );
static int32_t Flip32Bits ( const int32_t iIn );
static int64_t Flip64Bits ( const int64_t iIn );
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// audio hardware buffer info
struct sHWBufferInfo
{
long lMinSize;
long lMaxSize;
long lPreferredSize;
long lGranularity;
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} HWBufferInfo;
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// callbacks
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static void bufferSwitch ( long index, ASIOBool processNow );
static ASIOTime* bufferSwitchTimeInfo ( ASIOTime* timeInfo, long index, ASIOBool processNow );
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static void sampleRateChanged ( ASIOSampleRate sRate ) {}
static long asioMessages ( long selector, long value, void* message, double* opt );
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long lNumDevs;
long lCurDev;
char* cDriverNames[MAX_NUMBER_SOUND_CARDS];
};
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#endif // !defined ( _SOUNDIN_H__9518A621_7F78_11D3_8C0D_EEBF182CF549__INCLUDED_ )