mirror of
https://github.com/make-42/xyosc
synced 2024-11-22 17:20:09 +01:00
74 lines
1.6 KiB
Go
74 lines
1.6 KiB
Go
package audio
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import (
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"fmt"
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"os"
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"xyosc/config"
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"xyosc/utils"
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"github.com/gen2brain/malgo"
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"github.com/smallnest/ringbuffer"
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)
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var SampleRingBuffer *ringbuffer.RingBuffer
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var SampleSizeInBytes uint32
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const format = malgo.FormatF32
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func Init() {
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SampleRingBuffer = ringbuffer.New(int(config.Config.RingBufferSize)).SetBlocking(true)
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SampleSizeInBytes = uint32(malgo.SampleSizeInBytes(format))
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}
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func Start() {
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ctx, err := malgo.InitContext(nil, malgo.ContextConfig{}, func(message string) {
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fmt.Printf("LOG <%v>\n", message)
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})
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utils.CheckError(err)
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defer func() {
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_ = ctx.Uninit()
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ctx.Free()
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}()
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// Capture devices.
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infos, err := ctx.Devices(malgo.Capture)
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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fmt.Println("Capture Devices")
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for i, info := range infos {
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e := "ok"
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full, err := ctx.DeviceInfo(malgo.Capture, info.ID, malgo.Shared)
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if err != nil {
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e = err.Error()
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}
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fmt.Printf(" %d: %v, %s, [%s], formats: %+v\n",
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i, info.ID, info.Name(), e, full.Formats)
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}
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deviceConfig := malgo.DefaultDeviceConfig(malgo.Capture)
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deviceConfig.Capture.Format = format
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deviceConfig.Capture.Channels = 2
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deviceConfig.Capture.DeviceID = infos[config.Config.CaptureDeviceIndex].ID.Pointer()
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deviceConfig.SampleRate = config.Config.SampleRate
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deviceConfig.Alsa.NoMMap = 1
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onRecvFrames := func(pSample2, pSample []byte, framecount uint32) {
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SampleRingBuffer.Write(pSample)
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}
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captureCallbacks := malgo.DeviceCallbacks{
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Data: onRecvFrames,
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}
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device, err := malgo.InitDevice(ctx.Context, deviceConfig, captureCallbacks)
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utils.CheckError(err)
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err = device.Start()
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utils.CheckError(err)
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select {}
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//device.Uninit()
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}
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