jamulus/windows/sound.h

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/******************************************************************************\
* Copyright (c) 2004-2008
*
* 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 ( AFX_SOUNDIN_H__9518A621_7F78_11D3_8C0D_EEBF182CF549__INCLUDED_ )
#define AFX_SOUNDIN_H__9518A621_7F78_11D3_8C0D_EEBF182CF549__INCLUDED_
#include <windows.h>
#include <mmsystem.h>
#include <string>
#include <qmessagebox.h>
#include "../src/util.h"
#include "../src/global.h"
/* Definitions ****************************************************************/
// switch here between ASIO (Steinberg) or native Windows(TM) sound interface
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//#undef USE_ASIO_SND_INTERFACE
#define USE_ASIO_SND_INTERFACE
#define NUM_IN_OUT_CHANNELS 2 /* Stereo recording (but we only
use one channel for recording) */
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#define BITS_PER_SAMPLE 16 // use all bits of the D/A-converter
#define BYTES_PER_SAMPLE 2 // number of bytes per sample
#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 ********************************************************************/
#ifdef USE_ASIO_SND_INTERFACE
// 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"
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class CSound
{
public:
CSound ( const int iNewBufferSizeStereo );
virtual ~CSound();
void InitRecording ( const bool bNewBlocking = true )
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{
bBlockingRec = bNewBlocking;
InitRecordingAndPlayback();
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}
void InitPlayback ( const bool bNewBlocking = false )
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{
bBlockingPlay = bNewBlocking;
InitRecordingAndPlayback();
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}
bool Read ( CVector<short>& psData );
bool Write ( CVector<short>& psData );
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int GetNumDev() { return lNumDevs; }
std::string GetDeviceName ( const int iDiD ) { return cDriverNames[iDiD]; }
void SetDev ( const int iNewDev );
int GetDev() { return lCurDev; }
void SetOutNumBuf ( const int iNewNum );
int GetOutNumBuf();
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void SetInNumBuf ( const int iNewNum );
int GetInNumBuf();
void Close();
protected:
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bool LoadAndInitializeFirstValidDriver();
std::string LoadAndInitializeDriver ( int iIdx );
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std::string PrepareDriver();
void InitRecordingAndPlayback();
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// audio hardware buffer info
struct sHWBufferInfo
{
long lMinSize;
long lMaxSize;
long lPreferredSize;
long lGranularity;
} HWBufferInfo;
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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 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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bool bChangParamIn;
bool bChangParamOut;
bool bBlockingRec;
bool bBlockingPlay;
};
#else // USE_ASIO_SND_INTERFACE
class CSound
{
public:
CSound();
virtual ~CSound();
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void InitRecording ( int iNewBufferSize, bool bNewBlocking = true );
void InitPlayback ( int iNewBufferSize, bool bNewBlocking = false );
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bool Read ( CVector<short>& psData );
bool Write ( CVector<short>& psData );
int GetNumDev() { return iNumDevs; }
std::string GetDeviceName ( int iDiD ) { return pstrDevices[iDiD]; }
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// dummy functions
int SetDev ( const int iNewDev ) {}
int GetDev() { return 0; }
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void SetOutDev ( int iNewDev );
int GetOutDev() { return iCurOutDev; }
void SetInDev ( int iNewDev );
int GetInDev() { return iCurInDev; }
void SetOutNumBuf ( int iNewNum );
int GetOutNumBuf() { return iCurNumSndBufOut; }
void SetInNumBuf ( int iNewNum );
int GetInNumBuf() { return iCurNumSndBufIn; }
void Close();
protected:
void OpenInDevice();
void OpenOutDevice();
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void PrepareInBuffer ( int iBufNum );
void PrepareOutBuffer ( int iBufNum );
void AddInBuffer();
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void AddOutBuffer ( int iBufNum );
void GetDoneBuffer ( int& iCntPrepBuf, int& iIndexDoneBuf );
WAVEFORMATEX sWaveFormatEx;
UINT iNumDevs;
std::string pstrDevices[MAX_NUMBER_SOUND_CARDS];
UINT iCurInDev;
UINT iCurOutDev;
bool bChangParamIn;
bool bChangParamOut;
int iCurNumSndBufIn;
int iCurNumSndBufOut;
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// wave in
WAVEINCAPS m_WaveInDevCaps;
HWAVEIN m_WaveIn;
HANDLE m_WaveInEvent;
WAVEHDR m_WaveInHeader[MAX_SND_BUF_IN];
int iBufferSizeIn;
int iWhichBufferIn;
short* psSoundcardBuffer[MAX_SND_BUF_IN];
bool bBlockingRec;
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// wave out
int iBufferSizeOut;
HWAVEOUT m_WaveOut;
short* psPlaybackBuffer[MAX_SND_BUF_OUT];
WAVEHDR m_WaveOutHeader[MAX_SND_BUF_OUT];
HANDLE m_WaveOutEvent;
bool bBlockingPlay;
};
#endif // USE_ASIO_SND_INTERFACE
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#endif // !defined ( AFX_SOUNDIN_H__9518A621_7F78_11D3_8C0D_EEBF182CF549__INCLUDED_ )