Dmitry Sergeev
25 lines
663 B
Go
25 lines
663 B
Go
package main
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import "time"
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const guiFrameInterval = time.Second / 60
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// videoPollInterval bounds GUI latency when no video producer is waiting.
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// It is not a video-rate cap: Next returns immediately whenever a frame
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// arrives, including for sources faster than this interval.
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const videoPollInterval = 8 * time.Millisecond
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func remainingFrameTime(start, now time.Time, interval time.Duration) time.Duration {
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remaining := interval - now.Sub(start)
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if remaining < 0 {
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return 0
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}
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return remaining
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}
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func paceFrame(start time.Time) {
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if remaining := remainingFrameTime(start, time.Now(), guiFrameInterval); remaining > 0 {
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time.Sleep(remaining)
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}
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}
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