70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
#pragma once
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#include "DeckLinkDisplayMode.h"
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#include "DeckLinkSession.h"
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#include "VideoIOTypes.h"
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#include <atomic>
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#include <cstdint>
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#include <functional>
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#include <string>
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namespace RenderCadenceCompositor
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{
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struct DeckLinkOutputConfig
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{
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VideoFormat outputVideoMode;
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bool externalKeyingEnabled = false;
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bool outputAlphaRequired = false;
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};
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struct DeckLinkOutputMetrics
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{
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uint64_t completions = 0;
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uint64_t displayedLate = 0;
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uint64_t dropped = 0;
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uint64_t flushed = 0;
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uint64_t scheduleFailures = 0;
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bool actualBufferedFramesAvailable = false;
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uint64_t actualBufferedFrames = 0;
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double scheduleCallMilliseconds = 0.0;
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bool scheduleLeadAvailable = false;
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int64_t playbackStreamTime = 0;
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uint64_t playbackFrameIndex = 0;
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uint64_t nextScheduleFrameIndex = 0;
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int64_t scheduleLeadFrames = 0;
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uint64_t scheduleRealignmentCount = 0;
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};
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class DeckLinkOutput
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{
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public:
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using CompletionCallback = std::function<void(const VideoIOCompletion&)>;
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DeckLinkOutput() = default;
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DeckLinkOutput(const DeckLinkOutput&) = delete;
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DeckLinkOutput& operator=(const DeckLinkOutput&) = delete;
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~DeckLinkOutput();
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bool Initialize(const DeckLinkOutputConfig& config, CompletionCallback completionCallback, std::string& error);
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bool StartScheduledPlayback(std::string& error);
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bool ScheduleFrame(const VideoIOOutputFrame& frame);
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void Stop();
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void ReleaseResources();
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const VideoIOState& State() const;
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DeckLinkOutputMetrics Metrics() const;
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private:
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void HandleCompletion(const VideoIOCompletion& completion);
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DeckLinkSession mSession;
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DeckLinkOutputConfig mConfig;
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CompletionCallback mCompletionCallback;
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std::atomic<uint64_t> mCompletions{ 0 };
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std::atomic<uint64_t> mDisplayedLate{ 0 };
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std::atomic<uint64_t> mDropped{ 0 };
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std::atomic<uint64_t> mFlushed{ 0 };
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};
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}
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