void Update(float DeltaSeconds)
{
bool bShouldUpdate = true;
const float CaptureFrequency = 1.0f/(float)GEngine->MatineeScreenshotOptions.MatineeCaptureFPS;
if (CaptureFrequency > 0.f)
{
CurrentAccumSeconds += DeltaSeconds;
if (CurrentAccumSeconds > CaptureFrequency)
{
while (CurrentAccumSeconds > CaptureFrequency)
{
CurrentAccumSeconds -= CaptureFrequency;
}
}
else
{
bShouldUpdate = false;
}
}
if (GIsRequestingExit || !bShouldUpdate || CaptureSlateRenderer)
{
return;
}
if (bMatineeFinished)
{
if (GEngine->MatineeScreenshotOptions.MatineeCaptureType == 0)
{
if (CaptureViewport)
{
CaptureViewport->GetClient()->CloseRequested(CaptureViewport);
}
}
else
{
FViewport* ViewportUsed = GEngine->GameViewport != NULL ? GEngine->GameViewport->Viewport : NULL;
if (ViewportUsed)
{
ViewportUsed->GetClient()->CloseRequested(ViewportUsed);
}
}
StopCapture();
}
else if (bCapturing)
{
// Wait for the directshow thread to finish encoding the last data
GCaptureSyncEvent->Wait();
CaptureViewport->ReadPixels(ViewportColorBuffer, FReadSurfaceDataFlags());
// Allow the directshow thread to encode more data if the event is still available
if ( GCaptureSyncEvent )
{
GCaptureSyncEvent->Trigger();
UE_LOG(LogMovieCapture, Log, TEXT("-----------------START------------------"));
UE_LOG(LogMovieCapture, Log, TEXT(" INCREASE FrameNumber from %d "), FrameNumber);
FrameNumber++;
}
}
else if (bReadyForCapture)
{
CaptureViewport->ReadPixels(ViewportColorBuffer, FReadSurfaceDataFlags());
// Allow the directshow thread to process the pixels we just read
GCaptureSyncEvent->Trigger();
Control->Run();
bReadyForCapture = false;
bCapturing = true;
UE_LOG(LogMovieCapture, Log, TEXT("-----------------START------------------"));
UE_LOG(LogMovieCapture, Log, TEXT(" INCREASE FrameNumber from %d "), FrameNumber);
FrameNumber++;
}
}
