void CRenderManager::StartRenderCapture(unsigned int captureId, unsigned int width, unsigned int height, int flags)
{
CSingleLock lock(m_captCritSect);
std::map<unsigned int, CRenderCapture*>::iterator it;
it = m_captures.find(captureId);
if (it == m_captures.end())
{
CLog::Log(LOGERROR, "CRenderManager::Capture - unknown capture id: %d", captureId);
return;
}
CRenderCapture *capture = it->second;
capture->SetState(CAPTURESTATE_NEEDSRENDER);
capture->SetUserState(CAPTURESTATE_WORKING);
capture->SetWidth(width);
capture->SetHeight(height);
capture->SetFlags(flags);
capture->GetEvent().Reset();
if (g_application.IsCurrentThread())
{
if (flags & CAPTUREFLAG_IMMEDIATELY)
{
//render capture and read out immediately
RenderCapture(capture);
capture->SetUserState(capture->GetState());
capture->GetEvent().Set();
}
}
if (!m_captures.empty())
m_hasCaptures = true;
}
void CXBMCRenderManager::ManageCaptures()
{
//no captures, return here so we don't do an unnecessary lock
if (!m_hasCaptures)
return;
CSingleLock lock(m_captCritSect);
std::list<CRenderCapture*>::iterator it = m_captures.begin();
while (it != m_captures.end())
{
CRenderCapture* capture = *it;
if (capture->GetState() == CAPTURESTATE_NEEDSDELETE)
{
delete capture;
it = m_captures.erase(it);
continue;
}
if (capture->GetState() == CAPTURESTATE_NEEDSRENDER)
RenderCapture(capture);
else if (capture->GetState() == CAPTURESTATE_NEEDSREADOUT)
capture->ReadOut();
if (capture->GetState() == CAPTURESTATE_DONE || capture->GetState() == CAPTURESTATE_FAILED)
{
//tell the thread that the capture is done or has failed
capture->SetUserState(capture->GetState());
capture->GetEvent().Set();
if (capture->GetFlags() & CAPTUREFLAG_CONTINUOUS)
{
capture->SetState(CAPTURESTATE_NEEDSRENDER);
//if rendering this capture continuously, and readout is async, render a new capture immediately
if (capture->IsAsync() && !(capture->GetFlags() & CAPTUREFLAG_IMMEDIATELY))
RenderCapture(capture);
it++;
}
else
{
it = m_captures.erase(it);
}
}
else
{
it++;
}
}
if (m_captures.empty())
m_hasCaptures = false;
}