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I have placed the README example inside a function, and the second time I call it the entire program runs until it arrives at ->readyChan, where it stalls indefinitely. I am on macOS, and I haven't found anybody else with this issue thus far. Does anybody know a fix?
package main
import (
"bytes"
"time"
"os"
"github.com/ebitengine/oto/v3"
"github.com/hajimehoshi/go-mp3"
)
func TTS() {
// Read the mp3 file into memory
fileBytes, err := os.ReadFile("./my-file.mp3")
if err != nil {
panic("reading my-file.mp3 failed: " + err.Error())
}
// Convert the pure bytes into a reader object that can be used with the mp3 decoder
fileBytesReader := bytes.NewReader(fileBytes)
// Decode file
decodedMp3, err := mp3.NewDecoder(fileBytesReader)
if err != nil {
panic("mp3.NewDecoder failed: " + err.Error())
}
// Prepare an Oto context (this will use your default audio device) that will
// play all our sounds. Its configuration can't be changed later.
op := &oto.NewContextOptions{}
// Usually 44100 or 48000. Other values might cause distortions in Oto
op.SampleRate = 44100
// Number of channels (aka locations) to play sounds from. Either 1 or 2.
// 1 is mono sound, and 2 is stereo (most speakers are stereo).
op.ChannelCount = 2
// Format of the source. go-mp3's format is signed 16bit integers.
op.Format = oto.FormatSignedInt16LE
// Remember that you should **not** create more than one context
otoCtx, readyChan, err := oto.NewContext(op)
if err != nil {
panic("oto.NewContext failed: " + err.Error())
}
// It might take a bit for the hardware audio devices to be ready, so we wait on the channel.
<-readyChan
// Create a new 'player' that will handle our sound. Paused by default.
player := otoCtx.NewPlayer(decodedMp3)
// Play starts playing the sound and returns without waiting for it (Play() is async).
player.Play()
// We can wait for the sound to finish playing using something like this
for player.IsPlaying() {
time.Sleep(time.Millisecond)
}
// Now that the sound finished playing, we can restart from the beginning (or go to any location in the sound) using seek
// newPos, err := player.(io.Seeker).Seek(0, io.SeekStart)
// if err != nil{
// panic("player.Seek failed: " + err.Error())
// }
// println("Player is now at position:", newPos)
// player.Play()
// If you don't want the player/sound anymore simply close
err = player.Close()
if err != nil {
panic("player.Close failed: " + err.Error())
}
}
func main() {
TTS()
TTS()
}
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