void
PauseTrack (void)
{
if (!sound_sample)
return; // nothing to pause
LockMutex (soundSource[SPEECH_SOURCE].stream_mutex);
PauseStream (SPEECH_SOURCE);
UnlockMutex (soundSource[SPEECH_SOURCE].stream_mutex);
}
void
PLRPause (MUSIC_REF MusicRef)
{
if (MusicRef == curMusicRef || MusicRef == (MUSIC_REF)~0)
{
LockMutex (soundSource[MUSIC_SOURCE].stream_mutex);
PauseStream (MUSIC_SOURCE);
UnlockMutex (soundSource[MUSIC_SOURCE].stream_mutex);
}
}
//播放功能接口
unsigned long GS_PauseStream(unsigned long nPort)
{
//线程暂停 ,清空音频播放缓冲区
PSTREAMCONFIG pm = GetStream(nPort);
if(pm==NULL)
{
return S_FALSE;
}
if(PauseStream(pm->pContrlConfig))
{
return S_OK;
}
return 0;
}
void cSoundStreamRenderer::UpdateStreams()
{
RemoveUnmarkedBindings();
for(unsigned int i = 0; i < m_DataBindings.size(); ++i)
{
sStreamBinding &str = m_DataBindings[i];
if(!str.m_Source || !str.m_Stream)
{
ClearBinding(str);
continue;
}
while(OpenAL::Get().GetProcessedBuffersCount(str.m_Source->Get()) > 0)
{
ALuint buffer = OpenAL::Get().PopBufferQueue(str.m_Source->Get());
str.m_RawBuffers.Return(buffer);
}
vSoundStreamProperties *props = dynamic_cast<vSoundStreamProperties*>(str.m_Stream->GetRenderingProperties());
if(!props)
continue;
switch(props->GetWantedState())
{
case ESourceState::Playing: PlayStream(str); break;
case ESourceState::Stopped: StopStream(str); break;
case ESourceState::Paused: PauseStream(str); break;
default: break;
}
}
for(unsigned int i = 0; i < m_DataBindings.size(); ++i)
{
sStreamBinding &str = m_DataBindings[i];
vSoundStreamProperties *props = dynamic_cast<vSoundStreamProperties*>(str.m_Stream->GetRenderingProperties());
props->SetState(OpenAL::Get().GetSourceState(str.m_Source->Get()));
str.m_Stream->Synchronize(props);
}
};
STDMETHODIMP CSampleMSPStream::SelectTerminal(
IN ITTerminal * pTerminal
)
{
LOG((MSP_TRACE, "CSampleMSPStream::SelectTerminal - enter"));
//
// We are going to access the terminal list -- grab the lock
//
CLock lock(m_lock);
//
// Reject if we already have a terminal selected.
//
if ( 0 != m_Terminals.GetSize() )
{
LOG((MSP_ERROR, "CSampleMSPStream::SelectTerminal - "
"exit TAPI_E_MAXTERMINALS"));
return TAPI_E_MAXTERMINALS;
}
//
// Use base class method to add it to our list of terminals.
//
HRESULT hr = CMSPStream::SelectTerminal(pTerminal);
if ( FAILED(hr) )
{
LOG((MSP_ERROR, "CSampleMSPStream::SelectTerminal - "
"base class method failed - exit 0x%08x", hr));
return hr;
}
//
// Re-pause or re-start the stream if needed.
//
if ( m_DesiredGraphState == State_Paused )
{
hr = PauseStream();
}
else if ( m_DesiredGraphState == State_Running )
{
hr = StartStream();
}
else
{
_ASSERTE( m_DesiredGraphState == State_Stopped );
hr = S_OK;
}
if ( FAILED(hr) )
{
LOG((MSP_TRACE, "CSampleMSPStream::SelectTerminal - "
"can't regain old graph state - unselecting terminal - "
"exit 0x%08x", hr));
//
// Unselect it to undo all of the above.
//
UnselectTerminal(pTerminal);
return hr;
}
LOG((MSP_TRACE, "CSampleMSPStream::SelectTerminal - exit S_OK"));
return S_OK;
}
