/******************************************************************************\ * 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 #include #include #include "../src/util.h" #include "../src/global.h" /* Definitions ****************************************************************/ // switch here between ASIO (Steinberg) or native Windows(TM) sound interface //#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) */ #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 ********************************************************************/ #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" class CSound { public: CSound(); virtual ~CSound(); void InitRecording ( int iNewBufferSize, bool bNewBlocking = true ) { InitRecordingAndPlayback ( iNewBufferSize ); } void InitPlayback ( int iNewBufferSize, bool bNewBlocking = false ) { InitRecordingAndPlayback ( iNewBufferSize ); } bool Read ( CVector& psData ); bool Write ( CVector& psData ); int GetNumDev() { return iNumDevs; } std::string GetDeviceName ( int iDiD ) { return pstrDevices[iDiD]; } void SetOutDev ( int iNewDev ) {} // not supported int GetOutDev() { return 0; } // not supported void SetInDev ( int iNewDev ) {} // not supported int GetInDev() { return 0; } // not supported void SetOutNumBuf ( int iNewNum ); int GetOutNumBuf() { return iCurNumSndBufOut; } void SetInNumBuf ( int iNewNum ); int GetInNumBuf() { return iCurNumSndBufIn; } void Close(); protected: void InitRecordingAndPlayback ( int iNewBufferSize ); void PrepareInBuffer ( int iBufNum ); void PrepareOutBuffer ( int iBufNum ); void AddInBuffer(); void AddOutBuffer ( int iBufNum ); void GetDoneBuffer ( int& iCntPrepBuf, int& iIndexDoneBuf ); // ASIO stuff ASIODriverInfo driverInfo; ASIOBufferInfo bufferInfos[2 * NUM_IN_OUT_CHANNELS]; // for input and output buffers -> "2 *" ASIOChannelInfo channelInfos[2 * NUM_IN_OUT_CHANNELS]; bool bASIOPostOutput; ASIOCallbacks asioCallbacks; // callbacks static void bufferSwitch ( long index, ASIOBool processNow ); static ASIOTime* bufferSwitchTimeInfo ( ASIOTime *timeInfo, long index, ASIOBool processNow ); static void sampleRateChanged ( ASIOSampleRate sRate ) {} static long asioMessages ( long selector, long value, void* message, double* opt ); int iNumDevs; std::string pstrDevices[MAX_NUMBER_SOUND_CARDS]; bool bChangParamIn; bool bChangParamOut; int iCurNumSndBufIn; int iCurNumSndBufOut; int iBufferSize; // wave in HANDLE m_WaveInEvent; int iWhichBufferIn; short* psSoundcardBuffer[MAX_SND_BUF_IN]; // wave out short* psPlaybackBuffer[MAX_SND_BUF_OUT]; HANDLE m_WaveOutEvent; }; #else // USE_ASIO_SND_INTERFACE class CSound { public: CSound(); virtual ~CSound(); void InitRecording ( int iNewBufferSize, bool bNewBlocking = true ); void InitPlayback ( int iNewBufferSize, bool bNewBlocking = false ); bool Read ( CVector& psData ); bool Write ( CVector& 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 // USE_ASIO_SND_INTERFACE #endif // !defined ( AFX_SOUNDIN_H__9518A621_7F78_11D3_8C0D_EEBF182CF549__INCLUDED_ )