V2 working

apps/RenderCadenceCompositor/video/DeckLinkOutput.h

@@ -0,0 +1,61 @@
+#pragma once
+
+#include "DeckLinkSession.h"
+#include "VideoIOTypes.h"
+
+#include <atomic>
+#include <cstdint>
+#include <functional>
+#include <string>
+
+namespace RenderCadenceCompositor
+{
+struct DeckLinkOutputConfig
+{
+	bool externalKeyingEnabled = false;
+	bool outputAlphaRequired = false;
+};
+
+struct DeckLinkOutputMetrics
+{
+	uint64_t completions = 0;
+	uint64_t displayedLate = 0;
+	uint64_t dropped = 0;
+	uint64_t flushed = 0;
+	uint64_t scheduleFailures = 0;
+	bool actualBufferedFramesAvailable = false;
+	uint64_t actualBufferedFrames = 0;
+	double scheduleCallMilliseconds = 0.0;
+};
+
+class DeckLinkOutput
+{
+public:
+	using CompletionCallback = std::function<void(const VideoIOCompletion&)>;
+
+	DeckLinkOutput() = default;
+	DeckLinkOutput(const DeckLinkOutput&) = delete;
+	DeckLinkOutput& operator=(const DeckLinkOutput&) = delete;
+	~DeckLinkOutput();
+
+	bool Initialize(const DeckLinkOutputConfig& config, CompletionCallback completionCallback, std::string& error);
+	bool StartScheduledPlayback(std::string& error);
+	bool ScheduleFrame(const VideoIOOutputFrame& frame);
+	void Stop();
+	void ReleaseResources();
+
+	const VideoIOState& State() const;
+	DeckLinkOutputMetrics Metrics() const;
+
+private:
+	void HandleCompletion(const VideoIOCompletion& completion);
+
+	DeckLinkSession mSession;
+	DeckLinkOutputConfig mConfig;
+	CompletionCallback mCompletionCallback;
+	std::atomic<uint64_t> mCompletions{ 0 };
+	std::atomic<uint64_t> mDisplayedLate{ 0 };
+	std::atomic<uint64_t> mDropped{ 0 };
+	std::atomic<uint64_t> mFlushed{ 0 };
+};
+}