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[obs] scheduler: release ownership when source is idle

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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.
This commit is contained in:
Geoffrey McRae
2026-08-06 16:39:11 +10:00
parent 903a8efe75
commit 2ac49b6487
3 changed files with 95 additions and 15 deletions
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5
obs/frame_scheduler.h
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@@ -29,6 +29,7 @@
typedef struct LGFrameScheduler
{
bool supported;
bool sourceActive;
bool active;
bool resetPending;
bool immediatePending;
@@ -37,6 +38,7 @@ typedef struct LGFrameScheduler
uint32_t generation;
uint64_t period;
uint64_t lastSend;
uint64_t lastTick;
int64_t phaseError;
uint32_t feedbackFrameSerial;
@@ -54,8 +56,9 @@ LGFrameScheduler;
void lgFrameSchedulerInit(LGFrameScheduler * scheduler, bool supported,
uint32_t clientID);
void lgFrameSchedulerSetActive(LGFrameScheduler * scheduler, bool active);
void lgFrameSchedulerSetPeriod(LGFrameScheduler * scheduler,
uint64_t period);
uint64_t period, uint64_t tickTime);
void lgFrameSchedulerRequestImmediate(LGFrameScheduler * scheduler);
void lgFrameSchedulerObserveFrame(LGFrameScheduler * scheduler,
uint32_t frameSerial, uint32_t generation, uint32_t scheduleEpoch,