bool OSVRInterface::Init(OSVR_ClientContext OSVRClientContext, const FName& InterfaceName)
{
bool Result(true);
#if OSVR_ENABLED
OSVR_ReturnCode ReturnCode = osvrClientGetInterface(OSVRClientContext, InterfaceName.GetPlainANSIString(), &OSVRClientInterface);
Result = ReturnCode == OSVR_RETURN_SUCCESS;
this->OSVRClientContext = OSVRClientContext;
RefreshCapabilities();
RegisterCallbacks();
#endif // OSVR_ENABLED
Name = InterfaceName;
return Result;
}
int SoundLibrary3dDirectSound::GetCPUOverhead()
{
RefreshCapabilities();
int total = m_directSound->m_caps.dwPlayCpuOverheadSwBuffers;
for( int i = 0; i < m_numChannels; ++i )
{
DSBCAPS caps;
ZeroMemory( &caps, sizeof(caps) );
caps.dwSize = sizeof(DSBCAPS);
int errCode = m_channels[i].m_bufferInterface->GetCaps( &caps );
if (errCode == DSERR_BUFFERLOST)
m_channels[i].m_bufferInterface->Restore();
else
SOUNDASSERT( errCode, "Direct sound couldn't get CPU overhead" );
total += caps.dwPlayCpuOverhead;
}
return total;
}
bool SoundLibrary3dDirectSound::Initialise(int _mixFreq, int _numChannels, bool _hw3d,
int _mainBufNumSamples, int _musicBufNumSamples )
{
int errCode;
AppReleaseAssert( g_systemInfo->m_directXVersion >= 9.0f, APP_NAME " requires DirectX9 or Greater" );
AppReleaseAssert( _numChannels > 0, "SoundLibrary3d asked to create too few channels" );
//
// Initialise COM
// We need to do this in order to use the directX FX stuff
errCode = CoInitialize( NULL );
//
// Create Direct Sound Device
errCode = DirectSoundCreate8(NULL, // Specifies default device
&m_directSound->m_device,
NULL); // Has to be NULL - stupid, stupid Microsoft
SOUNDASSERT(errCode, "Direct Sound couldn't create a sound device");
errCode = m_directSound->m_device->SetCooperativeLevel((HWND)g_windowManager->Window(), DSSCL_PRIORITY);
SOUNDASSERT(errCode, "Direct Sound couldn't set the cooperative level");
RefreshCapabilities();
m_sampleRate = _mixFreq;
m_hw3dDesired = _hw3d;
m_numChannels = min( _numChannels, GetMaxChannels() ) - 1; // Reserve one channel for the music
m_musicChannelId = -1;
//
// Create the Primary Sound Buffer
{
int flags = DSBCAPS_PRIMARYBUFFER |
DSBCAPS_CTRL3D;
if( Hardware3DSupport() && m_hw3dDesired ) flags |= DSBCAPS_LOCHARDWARE;
else flags |= DSBCAPS_LOCSOFTWARE;
DSBUFFERDESC dsbd;
ZeroMemory( &dsbd, sizeof(DSBUFFERDESC) );
dsbd.dwSize = sizeof(DSBUFFERDESC);
dsbd.dwFlags = flags;
dsbd.dwBufferBytes = 0;
dsbd.lpwfxFormat = NULL;
errCode = m_directSound->m_device->CreateSoundBuffer(&dsbd, &m_directSound->m_primaryBuffer, NULL);
SOUNDASSERT(errCode, "Direct sound couldn't create the primary sound buffer");
WAVEFORMATEX wfx;
ZeroMemory( &wfx, sizeof(WAVEFORMATEX) );
wfx.wFormatTag = (WORD) WAVE_FORMAT_PCM;
wfx.nChannels = 2;
wfx.nSamplesPerSec = _mixFreq;
wfx.wBitsPerSample = 16;
wfx.nBlockAlign = (WORD) (wfx.wBitsPerSample / 8 * wfx.nChannels);
wfx.nAvgBytesPerSec = (DWORD) (wfx.nSamplesPerSec * wfx.nBlockAlign);
errCode = m_directSound->m_primaryBuffer->SetFormat(&wfx);
SOUNDASSERT(errCode, "Direct sound couldn't set the primary sound buffer format");
}
//
// Create a streaming secondary buffer for each channel
m_channels = new DirectSoundChannel[ m_numChannels ];
for( int i = 0; i < m_numChannels; ++i )
{
m_channels[i].m_bufferInterface = CreateSecondaryBuffer(_mainBufNumSamples);
//
// Earlier return if CreateSecondaryBuffer fails
if( !m_channels[i].m_bufferInterface )
{
return false;
}
m_channels[i].m_numBufferSamples = _mainBufNumSamples;
m_channels[i].m_lastSampleWritten = m_channels[i].m_numBufferSamples - 1; // We just filled all of it with zeros remember
m_channels[i].m_simulatedPlayCursor = -1;
m_channels[i].m_freq = _mixFreq;
// Get the DirectSound3DBuffer interface
errCode = m_channels[i].m_bufferInterface->QueryInterface( IID_IDirectSound3DBuffer,
(void **) &m_channels[i].m_buffer3DInterface );
SOUNDASSERT(errCode, "Direct sound couldn't get Sound3DBuffer interface");
}
//
// Create a streaming secondary buffer for music
m_musicChannel = new DirectSoundChannel;
m_musicChannel->m_bufferInterface = CreateSecondaryBuffer(_musicBufNumSamples);
//
// Earlier return if CreateSecondaryBuffer fails
if( !m_musicChannel->m_bufferInterface )
{
return false;
}
m_musicChannel->m_numBufferSamples = _musicBufNumSamples;
m_musicChannel->m_lastSampleWritten = m_musicChannel->m_numBufferSamples - 1;
m_musicChannel->m_simulatedPlayCursor = -1;
m_musicChannel->m_freq = _mixFreq;
// Get the DirectSound3DBuffer interface
errCode = m_musicChannel->m_bufferInterface->QueryInterface( IID_IDirectSound3DBuffer,
(void **)&(m_musicChannel->m_buffer3DInterface) );
SOUNDASSERT(errCode, "Direct sound couldn't get Sound3DBuffer interface");
SetChannel3DMode(m_musicChannelId, 2);
SetChannelVolume(m_musicChannelId, 10.0f);
SetChannelFrequency(m_musicChannelId, 44100);
//
// Set our listener properties
IDirectSound3DListener *listener = NULL;
errCode = m_directSound->m_primaryBuffer->QueryInterface( IID_IDirectSound3DListener, (void **) &listener );
SOUNDASSERT(errCode, "Direct sound couldn't get Sound3DListener interface");
errCode = listener->SetDopplerFactor( 0.0f, DS3D_IMMEDIATE );
return true;
}
