preview changes

apps/LoopThroughWithOpenGLCompositing/LoopThroughWithOpenGLCompositing.cpp

@@ -531,7 +531,7 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 				if (!sInteractiveResize && pOpenGLComposite)
 				{
 					wglMakeCurrent(hDC, hRC);
-					pOpenGLComposite->paintGL(true);
+					pOpenGLComposite->paintGL();
 					wglMakeCurrent( NULL, NULL );
 					RaiseStatusControls(sStatusStrip);
 				}

apps/LoopThroughWithOpenGLCompositing/gl/OpenGLComposite.cpp

@@ -35,7 +35,7 @@ OpenGLComposite::OpenGLComposite(HWND hWnd, HDC hDC, HGLRC hRC) :
 		*mRuntimeHost,
 		[this]() { renderEffect(); },
 		[this]() { ProcessScreenshotRequest(); },
-		[this]() { paintGL(false); });
+		[this]() { paintGL(); });
 	mVideoIOBridge = std::make_unique<OpenGLVideoIOBridge>(
 		*mVideoIO,
 		*mRenderer,
@@ -156,26 +156,8 @@ error:
 	return false;
 }
 
-void OpenGLComposite::paintGL(bool force)
+void OpenGLComposite::paintGL()
 {
-	if (!force)
-	{
-		if (IsIconic(hGLWnd))
-			return;
-
-		const unsigned previewFps = mRuntimeHost ? mRuntimeHost->GetPreviewFps() : 30u;
-		if (previewFps == 0)
-			return;
-
-		const auto now = std::chrono::steady_clock::now();
-		const auto minimumInterval = std::chrono::microseconds(1000000 / (previewFps == 0 ? 1u : previewFps));
-		if (mLastPreviewPresentTime != std::chrono::steady_clock::time_point() &&
-			now - mLastPreviewPresentTime < minimumInterval)
-		{
-			return;
-		}
-	}
-
 	if (!TryEnterCriticalSection(&pMutex))
 	{
 		ValidateRect(hGLWnd, NULL);
@@ -183,7 +165,6 @@ void OpenGLComposite::paintGL(bool force)
 	}
 
 	mRenderer->PresentToWindow(hGLDC, mVideoIO->OutputFrameWidth(), mVideoIO->OutputFrameHeight());
-	mLastPreviewPresentTime = std::chrono::steady_clock::now();
 	ValidateRect(hGLWnd, NULL);
 	LeaveCriticalSection(&pMutex);
 }

apps/LoopThroughWithOpenGLCompositing/gl/OpenGLComposite.h

@@ -23,7 +23,6 @@
 #include <string>
 #include <vector>
 #include <deque>
-#include <chrono>
 
 class VideoIODevice;
 class OpenGLVideoIOBridge;
@@ -65,7 +64,7 @@ public:
 	std::string GetOscAddress() const;
 
 	void resizeGL(WORD width, WORD height);
-	void paintGL(bool force = false);
+	void paintGL();
 
 private:
 	void resizeWindow(int width, int height);
@@ -93,7 +92,6 @@ private:
 	unsigned								mCachedRenderStateHeight = 0;
 	std::atomic<bool>						mUseCommittedLayerStates;
 	std::atomic<bool>						mScreenshotRequested;
-	std::chrono::steady_clock::time_point	mLastPreviewPresentTime;
 
 	bool InitOpenGLState();
 	void renderEffect();

apps/LoopThroughWithOpenGLCompositing/runtime/RuntimeHost.cpp

@@ -1481,11 +1481,6 @@ bool RuntimeHost::LoadConfig(std::string& error)
 		const double configuredValue = maxTemporalHistoryFramesValue->asNumber(static_cast<double>(mConfig.maxTemporalHistoryFrames));
 		mConfig.maxTemporalHistoryFrames = configuredValue <= 0.0 ? 0u : static_cast<unsigned>(configuredValue);
 	}
-	if (const JsonValue* previewFpsValue = configJson.find("previewFps"))
-	{
-		const double configuredValue = previewFpsValue->asNumber(static_cast<double>(mConfig.previewFps));
-		mConfig.previewFps = configuredValue <= 0.0 ? 0u : static_cast<unsigned>(configuredValue);
-	}
 	if (const JsonValue* enableExternalKeyingValue = configJson.find("enableExternalKeying"))
 		mConfig.enableExternalKeying = enableExternalKeyingValue->asBoolean(mConfig.enableExternalKeying);
 	if (const JsonValue* videoFormatValue = configJson.find("videoFormat"))
@@ -1872,7 +1867,6 @@ JsonValue RuntimeHost::BuildStateValue() const
 	app.set("oscPort", JsonValue(static_cast<double>(mConfig.oscPort)));
 	app.set("autoReload", JsonValue(mAutoReloadEnabled));
 	app.set("maxTemporalHistoryFrames", JsonValue(static_cast<double>(mConfig.maxTemporalHistoryFrames)));
-	app.set("previewFps", JsonValue(static_cast<double>(mConfig.previewFps)));
 	app.set("enableExternalKeying", JsonValue(mConfig.enableExternalKeying));
 	app.set("inputVideoFormat", JsonValue(mConfig.inputVideoFormat));
 	app.set("inputFrameRate", JsonValue(mConfig.inputFrameRate));

apps/LoopThroughWithOpenGLCompositing/runtime/RuntimeHost.h

@@ -65,7 +65,6 @@ public:
 	unsigned short GetServerPort() const { return mServerPort; }
 	unsigned short GetOscPort() const { return mConfig.oscPort; }
 	unsigned GetMaxTemporalHistoryFrames() const { return mConfig.maxTemporalHistoryFrames; }
-	unsigned GetPreviewFps() const { return mConfig.previewFps; }
 	bool ExternalKeyingEnabled() const { return mConfig.enableExternalKeying; }
 	const std::string& GetInputVideoFormat() const { return mConfig.inputVideoFormat; }
 	const std::string& GetInputFrameRate() const { return mConfig.inputFrameRate; }
@@ -82,7 +81,6 @@ private:
 		unsigned short oscPort = 9000;
 		bool autoReload = true;
 		unsigned maxTemporalHistoryFrames = 4;
-		unsigned previewFps = 30;
 		bool enableExternalKeying = false;
 		std::string inputVideoFormat = "1080p";
 		std::string inputFrameRate = "59.94";

config/runtime-host.json

@@ -8,6 +8,5 @@
   "outputFrameRate": "59.94",
   "autoReload": true,
   "maxTemporalHistoryFrames": 12,
-  "previewFps": 30,
   "enableExternalKeying": true
 }