79 lines
1.1 KiB
Go
79 lines
1.1 KiB
Go
package player
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import (
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"net/http"
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"time"
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"github.com/faiface/beep"
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"github.com/faiface/beep/mp3"
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"github.com/faiface/beep/speaker"
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)
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type Station struct {
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Name string
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URL string
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}
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type Player struct {
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oldStreamer beep.StreamCloser
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oldCtrl *beep.Ctrl
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mixer *beep.Mixer
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}
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func NewPlayer() *Player {
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return &Player{
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mixer: &beep.Mixer{},
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}
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}
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func (p *Player) Init() error {
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sr := beep.SampleRate(48000)
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if err := speaker.Init(sr, sr.N(time.Second/10)); err != nil {
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return err
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}
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speaker.Play(p.mixer)
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return nil
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}
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func (p *Player) Select(station Station) error {
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res, err := http.Get(station.URL)
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if err != nil {
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return err
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}
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streamer, _, err := mp3.Decode(res.Body)
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if err != nil {
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return err
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}
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p.PlayStream(streamer)
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return nil
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}
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func (p *Player) PlayStream(streamer beep.StreamCloser) {
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ctrl := &beep.Ctrl{
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Streamer: streamer,
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}
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p.mixer.Add(ctrl)
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speaker.Lock()
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if p.oldCtrl != nil {
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p.oldCtrl.Paused = true
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p.oldCtrl.Streamer = nil
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p.oldStreamer.Close()
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}
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ctrl.Paused = true
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ctrl.Streamer = streamer
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ctrl.Paused = false
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speaker.Unlock()
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p.oldCtrl = ctrl
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p.oldStreamer = streamer
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}
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