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Quellcode

DSBCAPS_STATIC | DSBCAPS_LOCDEFER | DSBCAPS_CTRLVOLUME

C-/C++-Quelltext

if( FadeAlpha > 0.0f )
{
    FadeAlpha -= 0.2f * fTime;
    ogg->SetVolume((LONG) (FadeAlpha - 1) * 10000);
}

C-/C++-Quelltext

FILE    *f;

    f = fopen(filename, "rb");
    if (!f) return false;

    ov_open(f, &vf, NULL, 0);
    vorbis_info *vi = ov_info(&vf,-1);

    WAVEFORMATEX        wfm;

    memset(&wfm, 0, sizeof(wfm));

    wfm.cbSize          = sizeof(wfm);
    wfm.nChannels       = vi->channels;
    wfm.wBitsPerSample  = 16;                    // ogg vorbis 16 bit
    wfm.nSamplesPerSec  = vi->rate;
    wfm.nAvgBytesPerSec = wfm.nSamplesPerSec*wfm.nChannels*2;
    wfm.nBlockAlign     = 2*wfm.nChannels;
    wfm.wFormatTag      = 1;

    DSBUFFERDESC desc;

    desc.dwSize         = sizeof(DSBUFFERDESC);
    desc.dwFlags        = DSBCAPS_STATIC | DSBCAPS_LOCDEFER | DSBCAPS_CTRLVOLUME;
    desc.lpwfxFormat    = &wfm;
    desc.dwReserved     = 0;
    desc.dwBufferBytes  = BUFSIZE*2;

    pDS->CreateSoundBuffer(&desc, &pDSB, NULL );

    DWORD   pos = 0;
    int     sec = 0;
    int     ret = 1;
    DWORD   size = BUFSIZE*2;

    char    *buf;

    pDSB->Lock(0, 0, (LPVOID*)&buf, &size, NULL, NULL, DSBLOCK_ENTIREBUFFER);
    
    // Bits
    while(ret && pos<size)
    {
        ret = ov_read(&vf, buf+pos, size-pos, 0, 2, 1, &sec);
        pos += ret;
    }

    pDSB->Unlock( buf, size, NULL, NULL );