mirror of
https://github.com/gnif/LookingGlass.git
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2ac49b6487
Renew frame scheduling only while the source is active and OBS is delivering video ticks. Release ownership after deactivation or a stale tick stream. Reacquire with a new generation and an immediate frame when ticking resumes.
73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/**
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* Looking Glass
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* Copyright © 2017-2026 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef LG_OBS_FRAME_SCHEDULER_H
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#define LG_OBS_FRAME_SCHEDULER_H
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#include <lgmp/client.h>
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#include <stdbool.h>
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#include <stdint.h>
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typedef struct LGFrameScheduler
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{
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bool supported;
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bool sourceActive;
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bool active;
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bool resetPending;
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bool immediatePending;
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bool feedbackDirty;
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uint32_t clientID;
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uint32_t generation;
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uint64_t period;
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uint64_t lastSend;
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uint64_t lastTick;
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int64_t phaseError;
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uint32_t feedbackFrameSerial;
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uint32_t feedbackScheduleEpoch;
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uint32_t feedbackDeadlineSerial;
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unsigned feedbackSamples;
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uint32_t readyFrameSerial;
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uint32_t readyGeneration;
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uint32_t readyScheduleEpoch;
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uint32_t readyDeadlineSerial;
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uint64_t readyTime;
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}
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LGFrameScheduler;
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void lgFrameSchedulerInit(LGFrameScheduler * scheduler, bool supported,
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uint32_t clientID);
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void lgFrameSchedulerSetActive(LGFrameScheduler * scheduler, bool active);
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void lgFrameSchedulerSetPeriod(LGFrameScheduler * scheduler,
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uint64_t period, uint64_t tickTime);
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void lgFrameSchedulerRequestImmediate(LGFrameScheduler * scheduler);
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void lgFrameSchedulerObserveFrame(LGFrameScheduler * scheduler,
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uint32_t frameSerial, uint32_t generation, uint32_t scheduleEpoch,
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uint32_t deadlineSerial, uint64_t readyTime);
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void lgFrameSchedulerFeedback(LGFrameScheduler * scheduler,
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uint32_t frameSerial, uint32_t generation, uint32_t scheduleEpoch,
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uint32_t deadlineSerial, uint64_t tickTime);
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void lgFrameSchedulerUpdate(LGFrameScheduler * scheduler,
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PLGMPClientQueue queue, uint64_t now);
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#endif
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