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Performance chasing
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This commit is contained in:
Aiden
2026-05-11 23:10:45 +10:00
parent c5cead6003
commit a434a88108
18 changed files with 1115 additions and 82 deletions
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27
apps/LoopThroughWithOpenGLCompositing/videoio/VideoBackend.h
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@@ -1,5 +1,6 @@
#pragma once
#include "OutputProductionController.h"
#include "RenderOutputQueue.h"
#include "VideoBackendLifecycle.h"
#include "VideoIOTypes.h"
@@ -59,6 +60,7 @@ public:
bool KeyerInterfaceAvailable() const;
bool ExternalKeyingActive() const;
const std::string& StatusMessage() const;
bool ShouldPrioritizeOutputOverPreview() const;
void SetStatusMessage(const std::string& message);
void PublishStatus(bool externalKeyingConfigured, const std::string& statusMessage = std::string());
void ReportNoInputDeviceSignalStatus();
@@ -69,14 +71,20 @@ private:
void StartOutputCompletionWorker();
void StopOutputCompletionWorker();
void OutputCompletionWorkerMain();
void StartOutputProducerWorker();
void StopOutputProducerWorker();
void OutputProducerWorkerMain();
void NotifyOutputProducer();
std::chrono::milliseconds OutputProducerWakeInterval() const;
void ProcessOutputFrameCompletion(const VideoIOCompletion& completion);
bool FillReadyOutputQueue(const VideoIOCompletion& completion);
std::size_t ProduceReadyOutputFrames(const VideoIOCompletion& completion, std::size_t maxFrames);
OutputProductionPressure BuildOutputProductionPressure(const RenderOutputQueueMetrics& metrics) const;
bool RenderReadyOutputFrame(const VideoIOState& state, const VideoIOCompletion& completion);
bool ScheduleReadyOutputFrame();
bool ScheduleBlackUnderrunFrame();
void RecordFramePacing(VideoIOCompletionResult completionResult);
void RecordReadyQueueDepthSample(const RenderOutputQueueMetrics& metrics);
void RecordOutputRenderDuration(double renderMilliseconds);
void RecordOutputRenderDuration(double renderMilliseconds, double acquireMilliseconds, double renderRequestMilliseconds, double endAccessMilliseconds);
bool ApplyLifecycleTransition(VideoBackendLifecycleState state, const std::string& message);
bool ApplyLifecycleFailure(const std::string& message);
void PublishBackendStateChanged(const std::string& state, const std::string& message);
@@ -92,6 +100,7 @@ private:
RuntimeEventDispatcher& mRuntimeEventDispatcher;
VideoBackendLifecycle mLifecycle;
VideoPlayoutPolicy mPlayoutPolicy;
OutputProductionController mOutputProductionController;
RenderOutputQueue mReadyOutputQueue;
std::unique_ptr<VideoIODevice> mVideoIODevice;
std::unique_ptr<OpenGLVideoIOBridge> mBridge;
@@ -99,8 +108,17 @@ private:
std::condition_variable mOutputCompletionCondition;
std::deque<VideoIOCompletion> mPendingOutputCompletions;
std::thread mOutputCompletionWorker;
std::mutex mOutputProducerMutex;
std::condition_variable mOutputProducerCondition;
std::thread mOutputProducerWorker;
VideoIOCompletion mLastOutputProductionCompletion;
std::chrono::steady_clock::time_point mLastOutputProductionTime;
std::mutex mOutputProductionMutex;
mutable std::mutex mOutputMetricsMutex;
bool mOutputCompletionWorkerRunning = false;
bool mOutputCompletionWorkerStopping = false;
bool mOutputProducerWorkerRunning = false;
bool mOutputProducerWorkerStopping = false;
uint64_t mNextReadyOutputFrameIndex = 0;
uint64_t mInputFrameIndex = 0;
uint64_t mOutputFrameScheduleIndex = 0;
@@ -121,6 +139,11 @@ private:
double mOutputRenderMilliseconds = 0.0;
double mSmoothedOutputRenderMilliseconds = 0.0;
double mMaxOutputRenderMilliseconds = 0.0;
double mOutputFrameAcquireMilliseconds = 0.0;
double mOutputFrameRenderRequestMilliseconds = 0.0;
double mOutputFrameEndAccessMilliseconds = 0.0;
uint64_t mLastLateStreak = 0;
uint64_t mLastDropStreak = 0;
uint64_t mLateFrameCount = 0;
uint64_t mDroppedFrameCount = 0;
uint64_t mFlushedFrameCount = 0;