DWORD WINAPI MixAudio(LPVOID lpParameter )
{
const int BUFFER_SIZE = 4096;
const int NUM_BUFFERS = 8;
char* pcm = new char[BUFFER_SIZE];
ALuint buffers[NUM_BUFFERS];
ALuint source;
int size;
alGenBuffers(NUM_BUFFERS, buffers);
alGenSources(1, &source);
for(int i=0;i<NUM_BUFFERS;i++){
size = g_ogg.audio_read(pcm,BUFFER_SIZE);
alBufferData(buffers[i], AL_FORMAT_STEREO16, pcm, size, 44100);
}
alSourceQueueBuffers(source, NUM_BUFFERS, buffers);
alSourcePlay(source);
while(g_ogg.playing())
{
int processed;
alGetSourcei(source, AL_BUFFERS_PROCESSED, &processed);
while((processed--)>0)
{
ALuint buffer;
alSourceUnqueueBuffers(source, 1, &buffer);
size = g_ogg.audio_read(pcm,BUFFER_SIZE);
if(size>0)
alBufferData(buffer, AL_FORMAT_STEREO16, pcm, size, 44100);
alSourceQueueBuffers(source, 1, &buffer);
ALenum state;
alGetSourcei(source, AL_SOURCE_STATE, &state);
if(state!=AL_PLAYING)
alSourcePlay(source);
}
Sleep(5);
}
alSourceStop(source);
alDeleteSources(1, &source);
alDeleteBuffers(NUM_BUFFERS, buffers);
delete [] pcm;
return 0;
}
INT WINAPI wWinMain( HINSTANCE hInst, HINSTANCE, LPWSTR, INT )
{
g_ogg.open("../sample video/trailer_400p.ogg",AF_S16,2,44100,VF_BGRA);
if(g_ogg.fail()) {
return -1;
}
// Register the window class
WNDCLASSEX wc =
{
sizeof( WNDCLASSEX ), CS_CLASSDC, MsgProc, 0L, 0L,
GetModuleHandle( NULL ), NULL, NULL, NULL, NULL,
L"liboggstream", NULL
};
RegisterClassEx( &wc );
int width=g_ogg.width();
int height=g_ogg.height();
// Create the application's window
RECT rect;
rect.left = 100;
rect.top = 100;
rect.right = width+rect.left;
rect.bottom = height+rect.top;
AdjustWindowRect(&rect,WS_OVERLAPPEDWINDOW,FALSE);
HWND hWnd = CreateWindow( L"liboggstream", L"D3D9 Theora Player",
WS_OVERLAPPEDWINDOW, rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top,
NULL, NULL, wc.hInstance, NULL );
// Initialize Direct3D and OpenAL
if( SUCCEEDED( InitD3D( hWnd ) ) && InitAL())
{
// Show the window
ShowWindow( hWnd, SW_SHOWDEFAULT );
UpdateWindow( hWnd );
// Start the playback
g_ogg.play();
// Run MixAudio in another thread
HANDLE h_mixaudio= CreateThread(NULL,0,MixAudio,NULL,0,NULL);
// Enter the message loop
MSG msg;
ZeroMemory( &msg, sizeof( msg ) );
while( msg.message != WM_QUIT && g_ogg.playing() )
{
if( PeekMessage( &msg, NULL, 0U, 0U, PM_REMOVE ) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}else {
Render();
Sleep(0);
}
}
g_ogg.close();
WaitForSingleObject(h_mixaudio,INFINITE);
alutExit();
}
UnregisterClass( L"liboggstream", wc.hInstance );
return 0;
}
