80 lines
1.4 KiB
Go
80 lines
1.4 KiB
Go
package audio
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import (
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"context"
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"github.com/gopxl/beep/v2"
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"github.com/gopxl/beep/v2/mp3"
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"github.com/gopxl/beep/v2/speaker"
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"github.com/gopxl/beep/v2/wav"
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"go.uber.org/zap"
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"io"
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)
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var DefaultSampleRate = beep.SampleRate(44100)
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func init() {
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//err := speaker.Init(DefaultSampleRate, DefaultSampleRate.N(time.Second/10))
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//if err != nil {
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// panic("扬声器初始化异常: " + err.Error())
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//}
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zap.S().Infoln("扬声器初始化完成")
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}
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func PlayWav(c context.Context, r io.Reader) {
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streamer, format, err := wav.Decode(r)
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if err != nil {
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return
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}
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defer streamer.Close()
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s := beep.Resample(4, format.SampleRate, DefaultSampleRate, streamer)
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ctrl := &beep.Ctrl{Streamer: s}
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done := make(chan struct{})
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speaker.Play(beep.Seq(ctrl, beep.Callback(func() {
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close(done)
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})))
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for {
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select {
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case <-done:
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return
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case <-c.Done():
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{
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speaker.Lock()
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ctrl.Streamer = nil
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speaker.Unlock()
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}
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}
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}
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}
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func PlayMP3(c context.Context, r io.ReadCloser) {
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streamer, format, err := mp3.Decode(r)
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if err != nil {
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return
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}
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defer streamer.Close()
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s := beep.Resample(4, format.SampleRate, DefaultSampleRate, streamer)
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ctrl := &beep.Ctrl{Streamer: s}
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done := make(chan struct{})
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speaker.Play(beep.Seq(ctrl, beep.Callback(func() {
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close(done)
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})))
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for {
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select {
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case <-done:
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return
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case <-c.Done():
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{
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speaker.Lock()
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ctrl.Streamer = nil
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speaker.Unlock()
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}
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}
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}
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}
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