sound.h

Intel开发的IPP库的应用实例

/*
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//          Copyright(c) 1999-2006 Intel Corporation. All Rights Reserved.
//
//     Intel(R) Integrated Performance Primitives Speech Processing Sample for Windows*
//
//  By downloading and installing this sample, you hereby agree that the
//  accompanying Materials are being provided to you under the terms and
//  conditions of the End User License Agreement for the Intel(R) Integrated
//  Performance Primitives product previously accepted by you. Please refer
//  to the file ippEULA.rtf located in the root directory of your Intel(R) IPP
//  product installation for more information.
//
*/

#ifndef aaaaSoundaaaa
#define aaaaSoundaaaa

#include <mmsystem.h>
#include <windows.h>
#include <ipps.h>

#define BLOCKSIZE 12000

class Sound{
   int m_nChannels;
   int m_nSamplesPerSec;
   WORD m_wBitsPerSample;

public:
   int m_nSampleRate;

   WAVEHDR m_wavehdr1;
   WAVEHDR m_wavehdr2;
   WAVEHDR m_wavehdr3;
   WAVEHDR m_wavehdr4;
   
   HWAVEIN m_hWaveIn;   

   Ipp8u *m_pBufferOut;
   Ipp8u *m_pBuffer1;
   Ipp8u *m_pBuffer2;
   Ipp8u *m_pBuffer3;
   Ipp8u *m_pBuffer4;

   int m_nfirst;
   int m_nSizeBigBuffer;
   int m_nCountSample;
   int m_nEndBuffer;
   bool m_bReset;

   Sound(int SampleRate);
   ~Sound();
   MMRESULT OpenSoundDevice(void);
   MMRESULT RecordSound(void);
   MMRESULT StopRecordSound(void);
   
   short *GetDataBuffer(int *SizeBuffer);

};
#endif