116 lines
4.3 KiB
C++
Executable file
116 lines
4.3 KiB
C++
Executable file
/******************************************************************************\
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* Copyright (c) 2004-2006
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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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*
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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 ( AFX_SOUNDIN_H__9518A621_7F78_11D3_8C0D_EEBF182CF549__INCLUDED_ )
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#define AFX_SOUNDIN_H__9518A621_7F78_11D3_8C0D_EEBF182CF549__INCLUDED_
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#include <windows.h>
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#include <mmsystem.h>
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#include <string>
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#include "../src/util.h"
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#include "../src/global.h"
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/* Definitions ****************************************************************/
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#define NUM_IN_OUT_CHANNELS 2 /* Stereo recording (but we only
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use one channel for recording) */
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#define BITS_PER_SAMPLE 16 // use all bits of the D/A-converter
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#define BYTES_PER_SAMPLE 2 // number of bytes per sample
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#define MAX_SND_BUF_IN 200
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#define MAX_SND_BUF_OUT 200
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#define NUM_SOUND_BUFFERS_IN ( 70 / MIN_BLOCK_DURATION_MS )
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#define NUM_SOUND_BUFFERS_OUT ( 80 / MIN_BLOCK_DURATION_MS )
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// maximum number of recognized sound cards installed in the system
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#define MAX_NUMBER_SOUND_CARDS 10
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/* Classes ********************************************************************/
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class CSound
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{
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public:
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CSound();
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virtual ~CSound();
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void InitRecording ( int iNewBufferSize, bool bNewBlocking = TRUE );
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void InitPlayback ( int iNewBufferSize, bool bNewBlocking = FALSE );
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bool Read ( CVector<short>& psData );
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bool Write ( CVector<short>& psData );
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int GetNumDev() { return iNumDevs; }
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std::string GetDeviceName ( int iDiD ) { return pstrDevices[iDiD]; }
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void SetOutDev ( int iNewDev );
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int GetOutDev() { return iCurOutDev; }
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void SetInDev ( int iNewDev );
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int GetInDev() { return iCurInDev; }
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void SetOutNumBuf ( int iNewNum );
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int GetOutNumBuf() { return iCurNumSndBufOut; }
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void SetInNumBuf ( int iNewNum );
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int GetInNumBuf() { return iCurNumSndBufIn; }
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void Close();
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protected:
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void OpenInDevice();
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void OpenOutDevice();
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void PrepareInBuffer ( int iBufNum );
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void PrepareOutBuffer ( int iBufNum );
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void AddInBuffer();
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void AddOutBuffer ( int iBufNum );
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void GetDoneBuffer ( int& iCntPrepBuf, int& iIndexDoneBuf );
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WAVEFORMATEX sWaveFormatEx;
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UINT iNumDevs;
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std::string pstrDevices[MAX_NUMBER_SOUND_CARDS];
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UINT iCurInDev;
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UINT iCurOutDev;
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bool bChangParamIn;
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bool bChangParamOut;
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int iCurNumSndBufIn;
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int iCurNumSndBufOut;
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// wave in
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WAVEINCAPS m_WaveInDevCaps;
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HWAVEIN m_WaveIn;
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HANDLE m_WaveInEvent;
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WAVEHDR m_WaveInHeader[MAX_SND_BUF_IN];
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int iBufferSizeIn;
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int iWhichBufferIn;
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short* psSoundcardBuffer[MAX_SND_BUF_IN];
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bool bBlockingRec;
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// wave out
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int iBufferSizeOut;
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HWAVEOUT m_WaveOut;
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short* psPlaybackBuffer[MAX_SND_BUF_OUT];
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WAVEHDR m_WaveOutHeader[MAX_SND_BUF_OUT];
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HANDLE m_WaveOutEvent;
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bool bBlockingPlay;
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};
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#endif // !defined ( AFX_SOUNDIN_H__9518A621_7F78_11D3_8C0D_EEBF182CF549__INCLUDED_ )
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