s32 Init()
{
numBuffers = Config_DSoundOut.NumBuffers;
//
// Initialize DSound
//
GUID cGuid;
try
{
if( Config_DSoundOut.Device.empty() )
throw std::runtime_error( "screw it" );
// Convert from unicode to ANSI:
char guid[256];
sprintf_s( guid, "%S", Config_DSoundOut.Device.c_str() );
if( (FAILED(GUIDFromString( guid, &cGuid ))) ||
FAILED( DirectSoundCreate8(&cGuid,&dsound,NULL) ) )
throw std::runtime_error( "try again?" );
}
catch( std::runtime_error& )
{
// if the GUID failed, just open up the default dsound driver:
if( FAILED(DirectSoundCreate8(NULL,&dsound,NULL) ) )
throw std::runtime_error( "DirectSound failed to initialize!" );
}
if( FAILED(dsound->SetCooperativeLevel(GetDesktopWindow(),DSSCL_PRIORITY)) )
throw std::runtime_error( "DirectSound Error: Cooperative level could not be set." );
// Determine the user's speaker configuration, and select an expansion option as needed.
// FAIL : Directsound doesn't appear to support audio expansion >_<
DWORD speakerConfig = 2;
//dsound->GetSpeakerConfig( &speakerConfig );
IDirectSoundBuffer* buffer_;
DSBUFFERDESC desc;
// Set up WAV format structure.
memset(&wfx, 0, sizeof(WAVEFORMATEX));
wfx.wFormatTag = WAVE_FORMAT_PCM;
wfx.nSamplesPerSec = SampleRate;
wfx.nChannels = (WORD)speakerConfig;
wfx.wBitsPerSample = 16;
wfx.nBlockAlign = 2*(WORD)speakerConfig;
wfx.nAvgBytesPerSec = SampleRate * wfx.nBlockAlign;
wfx.cbSize = 0;
uint BufferSizeBytes = BufferSize * wfx.nBlockAlign;
// Set up DSBUFFERDESC structure.
memset(&desc, 0, sizeof(DSBUFFERDESC));
desc.dwSize = sizeof(DSBUFFERDESC);
desc.dwFlags = DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_CTRLPOSITIONNOTIFY;// _CTRLPAN | DSBCAPS_CTRLVOLUME | DSBCAPS_CTRLFREQUENCY;
desc.dwBufferBytes = BufferSizeBytes * numBuffers;
desc.lpwfxFormat = &wfx;
desc.dwFlags |= DSBCAPS_LOCSOFTWARE;
desc.dwFlags |= DSBCAPS_GLOBALFOCUS;
if( FAILED(dsound->CreateSoundBuffer(&desc,&buffer_,0) ) )
throw std::runtime_error( "DirectSound Error: Interface could not be queried." );
if( FAILED(buffer_->QueryInterface(IID_IDirectSoundBuffer8,(void**)&buffer)) )
throw std::runtime_error( "DirectSound Error: Interface could not be queried." );
buffer_->Release();
verifyc( buffer->QueryInterface(IID_IDirectSoundNotify8,(void**)&buffer_notify) );
DSBPOSITIONNOTIFY not[MAX_BUFFER_COUNT];
for(u32 i=0;i<numBuffers;i++)
{
// [Air] note: wfx.nBlockAlign modifier was *10 -- seems excessive to me but maybe
// it was needed for some quirky driver? Theoretically we want the notification as soon
// as possible after the buffer has finished playing.
buffer_events[i] = CreateEvent(NULL,FALSE,FALSE,NULL);
not[i].dwOffset = (wfx.nBlockAlign + BufferSizeBytes*(i+1)) % desc.dwBufferBytes;
not[i].hEventNotify = buffer_events[i];
}
buffer_notify->SetNotificationPositions(numBuffers,not);
LPVOID p1=0,p2=0;
DWORD s1=0,s2=0;
verifyc(buffer->Lock(0,desc.dwBufferBytes,&p1,&s1,&p2,&s2,0));
assert(p2==0);
memset(p1,0,s1);
verifyc(buffer->Unlock(p1,s1,p2,s2));
//Play the buffer !
verifyc(buffer->Play(0,0,DSBPLAY_LOOPING));
// Start Thread
myLastWrite = 0;
dsound_running = true;
thread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)RThread<StereoOut16>,this,0,&tid);
SetThreadPriority(thread,THREAD_PRIORITY_ABOVE_NORMAL);
return 0;
}
s32 Init()
{
CoInitializeEx( NULL, COINIT_MULTITHREADED );
//
// Initialize DSound
//
GUID cGuid;
try
{
if( m_Device.empty() )
throw std::runtime_error( "screw it" );
// Convert from unicode to ANSI:
char guid[256];
sprintf_s( guid, "%S", m_Device.c_str() );
if( (FAILED(GUIDFromString( guid, &cGuid ))) ||
FAILED( DirectSoundCreate8(&cGuid,&dsound,NULL) ) )
throw std::runtime_error( "try again?" );
}
catch( std::runtime_error& )
{
// if the GUID failed, just open up the default dsound driver:
if( FAILED(DirectSoundCreate8(NULL,&dsound,NULL) ) )
throw std::runtime_error( "DirectSound failed to initialize!" );
}
if( FAILED(dsound->SetCooperativeLevel(GetDesktopWindow(),DSSCL_PRIORITY)) )
throw std::runtime_error( "DirectSound Error: Cooperative level could not be set." );
// Determine the user's speaker configuration, and select an expansion option as needed.
// FAIL : Directsound doesn't appear to support audio expansion >_<
DWORD speakerConfig = 2;
//dsound->GetSpeakerConfig( &speakerConfig );
IDirectSoundBuffer* buffer_;
DSBUFFERDESC desc;
// Set up WAV format structure.
memset(&wfx, 0, sizeof(WAVEFORMATEX));
wfx.wFormatTag = WAVE_FORMAT_PCM;
wfx.nSamplesPerSec = SampleRate;
wfx.nChannels = (WORD)speakerConfig;
wfx.wBitsPerSample = 16;
wfx.nBlockAlign = 2*(WORD)speakerConfig;
wfx.nAvgBytesPerSec = SampleRate * wfx.nBlockAlign;
wfx.cbSize = 0;
uint BufferSizeBytes = BufferSize * wfx.nBlockAlign;
// Set up DSBUFFERDESC structure.
memset(&desc, 0, sizeof(DSBUFFERDESC));
desc.dwSize = sizeof(DSBUFFERDESC);
desc.dwFlags = DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_CTRLPOSITIONNOTIFY;
desc.dwBufferBytes = BufferSizeBytes * m_NumBuffers;
desc.lpwfxFormat = &wfx;
// Try a hardware buffer first, and then fall back on a software buffer if
// that one fails.
desc.dwFlags |= m_UseHardware ? DSBCAPS_LOCHARDWARE : DSBCAPS_LOCSOFTWARE;
desc.dwFlags |= m_DisableGlobalFocus ? DSBCAPS_STICKYFOCUS : DSBCAPS_GLOBALFOCUS;
if( FAILED(dsound->CreateSoundBuffer(&desc, &buffer_, 0) ) )
{
if( m_UseHardware )
{
desc.dwFlags = DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_CTRLPOSITIONNOTIFY | DSBCAPS_LOCSOFTWARE;
desc.dwFlags |= m_DisableGlobalFocus ? DSBCAPS_STICKYFOCUS : DSBCAPS_GLOBALFOCUS;
if( FAILED(dsound->CreateSoundBuffer(&desc, &buffer_, 0) ) )
throw std::runtime_error( "DirectSound Error: Buffer could not be created." );
}
throw std::runtime_error( "DirectSound Error: Buffer could not be created." );
}
if( FAILED(buffer_->QueryInterface(IID_IDirectSoundBuffer8,(void**)&buffer)) || buffer == NULL )
throw std::runtime_error( "DirectSound Error: Interface could not be queried." );
buffer_->Release();
verifyc( buffer->QueryInterface(IID_IDirectSoundNotify8,(void**)&buffer_notify) );
DSBPOSITIONNOTIFY not[MAX_BUFFER_COUNT];
for(uint i=0;i<m_NumBuffers;i++)
{
buffer_events[i] = CreateEvent(NULL,FALSE,FALSE,NULL);
not[i].dwOffset = (wfx.nBlockAlign + BufferSizeBytes*(i+1)) % desc.dwBufferBytes;
not[i].hEventNotify = buffer_events[i];
}
buffer_notify->SetNotificationPositions(m_NumBuffers,not);
LPVOID p1=0,p2=0;
DWORD s1=0,s2=0;
verifyc(buffer->Lock(0,desc.dwBufferBytes,&p1,&s1,&p2,&s2,0));
assert(p2==0);
memset(p1,0,s1);
verifyc(buffer->Unlock(p1,s1,p2,s2));
//Play the buffer !
verifyc(buffer->Play(0,0,DSBPLAY_LOOPING));
// Start Thread
myLastWrite = 0;
dsound_running = true;
thread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)RThread<StereoOut16>,this,0,&tid);
SetThreadPriority(thread,THREAD_PRIORITY_ABOVE_NORMAL);
return 0;
}
