mirror of
https://github.com/aler9/gortsplib
synced 2025-10-07 16:10:59 +08:00
f0540b4eee
previous formula was: uint32(a + uint32(b)) this formula overflows two times, while it should overflow once. new formula is: uint32(uint64(a) + uint64(b))
26 lines
602 B
Go
26 lines
602 B
Go
package rtptime
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import (
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"math"
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"time"
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)
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// Encoder is a RTP timestamp encoder.
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type Encoder struct {
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clockRate float64
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initialTimestamp time.Duration
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}
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// NewEncoder allocates an Encoder.
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func NewEncoder(clockRate int, initialTimestamp uint32) *Encoder {
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return &Encoder{
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clockRate: float64(clockRate),
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initialTimestamp: time.Duration(math.Ceil(float64(initialTimestamp) * float64(time.Second) / float64(clockRate))),
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}
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}
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// Encode encodes a timestamp.
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func (e *Encoder) Encode(ts time.Duration) uint32 {
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return uint32((e.initialTimestamp + ts).Seconds() * e.clockRate)
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}
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