63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
package main
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import (
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"fmt"
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"os"
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"github.com/xthexder/go-jack"
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)
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var jackClient *jack.Client
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func initJack(done chan os.Signal) {
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jackClient, _ = jack.ClientOpen(config.Jack.ClientName, jack.NoStartServer)
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if jackClient == nil {
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fmt.Println("Could not connect to jack server.")
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return
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}
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if code := jackClient.SetProcessCallback(processJackCb); code != 0 {
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fmt.Println("Failed to set process callback.")
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return
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}
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if code := jackClient.Activate(); code != 0 {
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fmt.Println("Failed to activate client:", jack.StrError(code))
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return
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}
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}
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func stopJack() {
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jackClient.Close()
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}
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func registerJackPort(name string, channels uint8, flags uint64) []*jack.Port {
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if channels > 2 {
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fmt.Printf("WARN! Parameters of jack port %s changed: more than 2 channels not implemented, using 2 channels", name)
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channels = 2
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}
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var i uint8 = 0
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var ports []*jack.Port = []*jack.Port{}
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for i < channels {
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i++
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portName := fmt.Sprintf("%s_%d", name, i)
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port := jackClient.PortRegister(portName, jack.DEFAULT_AUDIO_TYPE, flags, 0)
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if port == nil {
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fmt.Printf("WARN! Failed registering jack port %s\n", portName)
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continue
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}
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ports = append(ports, port)
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}
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return ports
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}
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func unregisterJackPort(ports []*jack.Port) {
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for _, p := range ports {
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ret := jackClient.PortUnregister(p)
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if ret != 0 {
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fmt.Printf("WARN! Failed unregistering jack port!\n")
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}
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}
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}
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