53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
#pragma once
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#include "VideoIOTypes.h"
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#include "VideoPlayoutPolicy.h"
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#include <cstdint>
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#include <deque>
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#include <functional>
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#include <mutex>
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struct RenderOutputFrame
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{
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VideoIOOutputFrame frame;
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uint64_t frameIndex = 0;
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bool stale = false;
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std::function<void(VideoIOOutputFrame& frame)> releaseFrame;
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};
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struct RenderOutputQueueMetrics
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{
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std::size_t depth = 0;
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std::size_t capacity = 0;
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uint64_t pushedCount = 0;
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uint64_t poppedCount = 0;
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uint64_t droppedCount = 0;
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uint64_t underrunCount = 0;
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};
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class RenderOutputQueue
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{
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public:
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explicit RenderOutputQueue(const VideoPlayoutPolicy& policy = VideoPlayoutPolicy());
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void Configure(const VideoPlayoutPolicy& policy);
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bool Push(RenderOutputFrame frame);
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bool TryPop(RenderOutputFrame& frame);
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bool DropOldestFrame();
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void Clear();
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RenderOutputQueueMetrics GetMetrics() const;
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private:
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std::size_t CapacityLocked() const;
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static void ReleaseFrame(RenderOutputFrame& frame);
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mutable std::mutex mMutex;
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VideoPlayoutPolicy mPolicy;
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std::deque<RenderOutputFrame> mReadyFrames;
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uint64_t mPushedCount = 0;
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uint64_t mPoppedCount = 0;
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uint64_t mDroppedCount = 0;
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uint64_t mUnderrunCount = 0;
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};
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