Phase 7 step 2

apps/LoopThroughWithOpenGLCompositing/videoio/decklink/DeckLinkSession.cpp

@@ -1,7 +1,5 @@
 #include "DeckLinkSession.h"
 
-#include "GlRenderConstants.h"
-
 #include <atlbase.h>
 #include <cstdio>
 #include <cstring>
@@ -210,7 +208,7 @@ bool DeckLinkSession::DiscoverDevicesAndModes(const VideoFormatSelection& videoM
 	BMDTimeValue frameDuration = 0;
 	BMDTimeScale frameTimescale = 0;
 	outputMode->GetFrameRate(&frameDuration, &frameTimescale);
-	mScheduler.Configure(frameDuration, frameTimescale);
+	mScheduler.Configure(frameDuration, frameTimescale, mPlayoutPolicy);
 	mState.frameBudgetMilliseconds = mScheduler.FrameBudgetMilliseconds();
 
 	mState.inputFrameRowBytes = mState.inputFrameSize.width * 2u;
@@ -379,7 +377,9 @@ bool DeckLinkSession::ConfigureOutput(OutputFrameCallback callback, const VideoF
 		mState.statusMessage = "Selected DeckLink output supports external keying. Set enableExternalKeying to true in runtime-host.json to request it.";
 	}
 
-	for (int i = 0; i < 10; i++)
+	const VideoPlayoutPolicy policy = NormalizeVideoPlayoutPolicy(mPlayoutPolicy);
+	mPlayoutPolicy = policy;
+	for (unsigned i = 0; i < policy.outputFramePoolSize; i++)
 	{
 		CComPtr<IDeckLinkMutableVideoFrame> outputFrame;
 
@@ -523,7 +523,9 @@ bool DeckLinkSession::Start()
 		return false;
 	}
 
-	for (unsigned i = 0; i < kPrerollFrameCount; i++)
+	const VideoPlayoutPolicy policy = NormalizeVideoPlayoutPolicy(mPlayoutPolicy);
+	mPlayoutPolicy = policy;
+	for (unsigned i = 0; i < policy.targetPrerollFrames; i++)
 	{
 		CComPtr<IDeckLinkMutableVideoFrame> outputVideoFrame;
 		if (!AcquireNextOutputVideoFrame(outputVideoFrame))

apps/LoopThroughWithOpenGLCompositing/videoio/decklink/DeckLinkSession.h

@@ -6,6 +6,7 @@
 #include "DeckLinkVideoIOFormat.h"
 #include "VideoIOFormat.h"
 #include "VideoIOTypes.h"
+#include "VideoPlayoutPolicy.h"
 #include "VideoPlayoutScheduler.h"
 
 #include <atlbase.h>
@@ -79,6 +80,7 @@ private:
 	CComPtr<IDeckLinkKeyer>					keyer;
 	std::deque<CComPtr<IDeckLinkMutableVideoFrame>> outputVideoFrameQueue;
 	VideoIOState							mState;
+	VideoPlayoutPolicy						mPlayoutPolicy;
 	VideoPlayoutScheduler					mScheduler;
 	InputFrameCallback						mInputFrameCallback;
 	OutputFrameCallback						mOutputFrameCallback;