mirror of
https://github.com/aler9/gortsplib
synced 2025-10-31 02:26:57 +08:00
25 lines
443 B
Go
25 lines
443 B
Go
package main
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import "math"
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const (
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sampleRate = 48000
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frequency = 400
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amplitude = (1 << 14) - 1
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)
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func createDummyAudio(pts int64, prevPTS int64) []byte {
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sampleCount := (pts - prevPTS)
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n := 0
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ret := make([]byte, sampleCount*2)
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for i := int64(0); i < sampleCount; i++ {
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v := int16(amplitude * math.Sin((float64(prevPTS+i)*frequency*math.Pi*2)/sampleRate))
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ret[n] = byte(v >> 8)
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ret[n+1] = byte(v)
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n += 2
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}
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return ret
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}
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