nonoo/kappanhang
1
0
Fork 0
mirror of https://github.com/nonoo/kappanhang.git synced 2026-02-02 05:44:20 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Cleanup audio buffer size calculation

Browse source
This commit is contained in:
Nonoo 2020-10-27 14:20:27 +01:00
parent edb20dda86
commit c008bb3b3d
1 changed files with 6 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
audio-linux.go
View file

@ -7,11 +7,13 @@ import (
"errors"
"os"
"sync"
"time"
"github.com/akosmarton/papipes"
)
const audioSampleRate = 48000
const audioBufferLength = 100 * time.Millisecond
type audioStruct struct {
source papipes.Source
@ -160,12 +162,14 @@ func (a *audioStruct) loop() {
}
func (a *audioStruct) init(devName string) error {
bufferSizeInBits := (audioSampleRate * 16) / 1000 * audioBufferLength.Milliseconds()
a.source.Name = "kappanhang-" + devName
a.source.Filename = "/tmp/kappanhang-" + devName + ".source"
a.source.Rate = audioSampleRate
a.source.Format = "s16le"
a.source.Channels = 1
a.source.SetProperty("device.buffering.buffer_size", (audioSampleRate*16)/10) // 100 ms
a.source.SetProperty("device.buffering.buffer_size", bufferSizeInBits)
a.source.SetProperty("device.description", "kappanhang: "+devName)
// Cleanup previous pipes.
@ -184,7 +188,7 @@ func (a *audioStruct) init(devName string) error {
a.sink.Format = "s16le"
a.sink.Channels = 1
a.sink.UseSystemClockForTiming = true
a.sink.SetProperty("device.buffering.buffer_size", (audioSampleRate*16)/10)
a.sink.SetProperty("device.buffering.buffer_size", bufferSizeInBits)
a.sink.SetProperty("device.description", "kappanhang: "+devName)
// Cleanup previous pipes.