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18 lines
573 B
Go
18 lines
573 B
Go
package web
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import "math"
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const messageMinimumBlocks = 6
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// messageTargetBlocks adds one block beyond reported browser processing latency, with a six-block minimum and twelve-block cap; posted messages have no SAB ring bound.
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func messageTargetBlocks(latency float64, rate, frames int) int {
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if rate <= 0 || frames <= 0 || latency <= 0 || math.IsNaN(latency) || math.IsInf(latency, 0) {
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return messageMinimumBlocks
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}
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blocks := latency * float64(rate) / float64(frames)
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if blocks >= 11 {
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return 12
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}
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return max(messageMinimumBlocks, int(math.Ceil(blocks))+1)
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}
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