ch8p1_oggvorbisplayback.cpp

游戏音频程序设计-Beginning.Game.Audio.Programming

// Ch8p1_OggVorbisPlayback.cpp : Defines the entry point for the console application.
//

#include <iostream>
#include <sstream>
#include <string>
#include <math.h>
#include <conio.h>
#include <windows.h>
#include <mmreg.h>

#include "dsound.h"
#include "dxerr8.h"
#include "AudioEngine/dxutil.h"
#include "AudioEngine/AudioEngine.h"

using namespace std;
using namespace AudioEngine;

CAudioManager g_AudioMgr;
CAudioManager *AudioEngine::GetAudioManager() { return(&g_AudioMgr); }

void Exit(int errorcode)
{
  #ifdef _DEBUG
  cout << endl << endl << "(Program ended, press a key to exit.)";
  // so that the console window doesn't disappear before we have
  // a chance to look at it.
  getch(); 
#endif

  exit(errorcode);
}

HWND GetConsoleWindowHandle()
{
  char title[512];
  HWND hWnd;
 
  GetConsoleTitle(title, sizeof(title));
  hWnd = FindWindow(NULL, title);
  return(hWnd);
}

void main(int argc, char* argv[])
{
  
  try {

    // initialize audio manager
    cout << "Initializing Audio Manager..." << endl;
    g_AudioMgr.Init(GetConsoleWindowHandle());

    // load a WAV file
    cout << "Loading Ogg Vorbis File..." << endl;
    CSoundPtr snd = g_AudioMgr.LoadOggVorbis("test.ogg");
    
    // full volume on performance
    GetAudioManager()->SetVolume(CVolume(0));

    cout << endl << endl << "\"Arena\" by Jeremy Martin (www.jeremiads.com)" << endl << endl;
    cout << "Playing... (press a key to exit)" << endl;
    snd->SetVolume(0);
    snd->Play();

    Sleep(500); // let the sound start playing

    while (!kbhit() && snd->IsPlaying()) {
      g_AudioMgr.DispatchNotificationMessages();
      Sleep(100);
    }

    if (kbhit()) getch();
    
    // uninit audio manager
    cout << endl << "UnIniting audio manager..." << endl;
    g_AudioMgr.UnInit();

  } 
  catch(CError &e) {
    MessageBox(GetConsoleWindowHandle(), e.GetMessageBoxString().c_str(), "Ch8p1_OggVorbisPlayback", MB_ICONSTOP);
    Exit(-1);
  }
  catch(...) {
    MessageBox(GetConsoleWindowHandle(), "This sample program has encountered an error and must close.", "Ch8p1_OggVorbisPlayback", MB_ICONSTOP);
    Exit(-1);
  }
  Exit(0);
}