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Aiden
2026-05-11 21:05:11 +10:00
parent 50d5880835
commit f288455709
10 changed files with 335 additions and 51 deletions
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23
apps/LoopThroughWithOpenGLCompositing/videoio/VideoPlayoutScheduler.h
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@@ -5,6 +5,19 @@
#include <cstdint>
struct VideoPlayoutRecoveryDecision
{
VideoIOCompletionResult result = VideoIOCompletionResult::Completed;
uint64_t completedFrameIndex = 0;
uint64_t scheduledFrameIndex = 0;
uint64_t readyQueueDepth = 0;
uint64_t scheduledLeadFrames = 0;
uint64_t measuredLagFrames = 0;
uint64_t catchUpFrames = 0;
uint64_t lateStreak = 0;
uint64_t dropStreak = 0;
};
class VideoPlayoutScheduler
{
public:
@@ -12,15 +25,23 @@ public:
void Configure(int64_t frameDuration, int64_t timeScale, const VideoPlayoutPolicy& policy);
void Reset();
VideoIOScheduleTime NextScheduleTime();
void AccountForCompletionResult(VideoIOCompletionResult result);
VideoPlayoutRecoveryDecision AccountForCompletionResult(VideoIOCompletionResult result, uint64_t readyQueueDepth = 0);
double FrameBudgetMilliseconds() const;
uint64_t ScheduledFrameIndex() const { return mScheduledFrameIndex; }
uint64_t CompletedFrameIndex() const { return mCompletedFrameIndex; }
uint64_t LateStreak() const { return mLateStreak; }
uint64_t DropStreak() const { return mDropStreak; }
int64_t TimeScale() const { return mTimeScale; }
const VideoPlayoutPolicy& Policy() const { return mPolicy; }
private:
uint64_t MeasureLag(VideoIOCompletionResult result, uint64_t readyQueueDepth) const;
int64_t mFrameDuration = 0;
int64_t mTimeScale = 0;
uint64_t mScheduledFrameIndex = 0;
uint64_t mCompletedFrameIndex = 0;
uint64_t mLateStreak = 0;
uint64_t mDropStreak = 0;
VideoPlayoutPolicy mPolicy;
};