71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
// Audio.h: interface for the CAudio class.
|
|
//
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
#if !defined(AFX_AUDIO_H__4DD286A3_85E9_4492_A1A5_C3B2D860BD1A__INCLUDED_)
|
|
#define AFX_AUDIO_H__4DD286A3_85E9_4492_A1A5_C3B2D860BD1A__INCLUDED_
|
|
|
|
#if _MSC_VER > 1000
|
|
#pragma once
|
|
#endif // _MSC_VER > 1000
|
|
#include <windows.h>
|
|
#include <mmsystem.h>
|
|
#pragma comment(lib,"WINMM.LIB")
|
|
|
|
/*
|
|
SIZE_AUDIO_FRAME 是 160 倍数
|
|
SIZE_AUDIO_PACKED 是 对应的输出 为 SIZE_AUDIO_FRAME / 160 * 10
|
|
*/
|
|
|
|
#define SIZE_AUDIO_FRAME 16000
|
|
#define SIZE_AUDIO_PACKED 1500 // 音频包的大小
|
|
class CAudio
|
|
{
|
|
public:
|
|
CAudio();
|
|
virtual ~CAudio();
|
|
int m_nBufferLength;
|
|
|
|
LPBYTE m_lpInAudioData[2]; // 保持声音的连继
|
|
LPBYTE m_lpOutAudioData[2];
|
|
|
|
HWAVEIN m_hWaveIn;
|
|
int m_nWaveInIndex;
|
|
int m_nWaveOutIndex;
|
|
|
|
HANDLE m_hEventWaveIn; // MM_WIM_DATA触发
|
|
HANDLE m_hStartRecord; // getRecordBuffer 返回后触发
|
|
|
|
int m_SelectedDevice;
|
|
void SetDeviceType(WAVEFORMATEX* pwfe);
|
|
// 根据 输入设备名 枚举输入线路 返回正在使用的线路下标
|
|
int EnumerateInputLines( char * szPname, char * str );
|
|
bool ActiveMixerInputChannel(char * szMixerDevice, int nMixerLineIndex);
|
|
|
|
LPBYTE getRecordBuffer(LPDWORD lpdwBytes);
|
|
bool playBuffer(LPBYTE lpWaveBuffer, DWORD dwBytes);
|
|
private:
|
|
HANDLE m_hThreadCallBack;
|
|
|
|
LPWAVEHDR m_lpInAudioHdr[2];
|
|
LPWAVEHDR m_lpOutAudioHdr[2];
|
|
|
|
HWAVEOUT m_hWaveOut;
|
|
|
|
bool m_bIsWaveInUsed;
|
|
bool m_bIsWaveOutUsed;
|
|
|
|
bool InitializeWaveIn();
|
|
bool InitializeWaveOut();
|
|
|
|
static DWORD WINAPI waveInCallBack(LPVOID lparam);
|
|
|
|
public:
|
|
// 解压
|
|
int DeCompress(char *pBuf, char *pDstBuf, int nLen);
|
|
// 压缩
|
|
int Compress(char *pBuf,char* pDstBuf, int nLen);
|
|
};
|
|
|
|
#endif // !defined(AFX_AUDIO_H__4DD286A3_85E9_4492_A1A5_C3B2D860BD1A__INCLUDED_)
|