NDI output

src/video/ndi/NdiOutput.h

@@ -0,0 +1,52 @@
+#pragma once
+
+#include "video/core/VideoIOEdges.h"
+
+#include <atomic>
+#include <cstdint>
+#include <mutex>
+#include <string>
+
+namespace RenderCadenceCompositor
+{
+using NdiOutputMetrics = VideoOutputEdgeMetrics;
+
+class NdiOutput final : public IVideoOutputEdge
+{
+public:
+	explicit NdiOutput(std::string senderName);
+	NdiOutput(const NdiOutput&) = delete;
+	NdiOutput& operator=(const NdiOutput&) = delete;
+	~NdiOutput() override;
+
+	bool Initialize(const VideoOutputEdgeConfig& config, CompletionCallback completionCallback, std::string& error) override;
+	bool StartScheduledPlayback(std::string& error) override;
+	bool ScheduleFrame(const VideoIOOutputFrame& frame) override;
+	bool RequiresPreroll() const override { return false; }
+	void Stop() override;
+	void ReleaseResources() override;
+
+	const VideoIOState& State() const override { return mState; }
+	NdiOutputMetrics Metrics() const override;
+
+private:
+	void CompletePendingLocked(VideoIOCompletionResult result);
+	void FlushPendingLocked();
+	static void PopulateState(VideoIOState& state, const VideoOutputEdgeConfig& config, const std::string& senderName);
+
+	std::string mSenderName;
+	CompletionCallback mCompletionCallback;
+	mutable std::mutex mMutex;
+	void* mSender = nullptr;
+	void* mPendingBuffer = nullptr;
+	VideoOutputEdgeConfig mConfig;
+	VideoIOState mState;
+	std::atomic<bool> mInitialized{ false };
+	std::atomic<bool> mRunning{ false };
+	std::atomic<uint64_t> mCompletions{ 0 };
+	std::atomic<uint64_t> mDropped{ 0 };
+	std::atomic<uint64_t> mFlushed{ 0 };
+	std::atomic<uint64_t> mScheduleFailures{ 0 };
+	std::atomic<double> mScheduleCallMilliseconds{ 0.0 };
+};
+}