jamulus/windows/sound.h

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C
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2006-01-28 12:29:22 +01:00
/******************************************************************************\
* 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)
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/* 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_)