jamulus/windows/sound.h
2007-09-08 10:45:14 +00:00

116 lines
4.3 KiB
C++
Executable file

/******************************************************************************\
* Copyright (c) 2004-2006
*
* 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
*
\******************************************************************************/
#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 "../src/util.h"
#include "../src/global.h"
/* Definitions ****************************************************************/
#define NUM_IN_OUT_CHANNELS 2 /* Stereo recording (but we only
use one channel for recording) */
#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 200
#define MAX_SND_BUF_OUT 200
#define NUM_SOUND_BUFFERS_IN ( 70 / MIN_BLOCK_DURATION_MS )
#define NUM_SOUND_BUFFERS_OUT ( 80 / MIN_BLOCK_DURATION_MS )
// maximum number of recognized sound cards installed in the system
#define MAX_NUMBER_SOUND_CARDS 10
/* Classes ********************************************************************/
class CSound
{
public:
CSound();
virtual ~CSound();
void InitRecording ( int iNewBufferSize, bool bNewBlocking = TRUE );
void InitPlayback ( int iNewBufferSize, bool bNewBlocking = FALSE );
bool Read ( CVector<short>& psData );
bool Write ( CVector<short>& psData );
int GetNumDev() { return iNumDevs; }
std::string GetDeviceName ( int iDiD ) { return pstrDevices[iDiD]; }
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();
void PrepareInBuffer ( int iBufNum );
void PrepareOutBuffer ( int iBufNum );
void AddInBuffer();
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;
// 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;
// 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 // !defined ( AFX_SOUNDIN_H__9518A621_7F78_11D3_8C0D_EEBF182CF549__INCLUDED_ )