/
play_wav.go
67 lines (51 loc) · 1.04 KB
/
play_wav.go
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// Play a sound file
// Time-stamp: <2022-10-04 18:21:44 christophe@pallier.org>
package main
import (
"os"
"log"
"github.com/veandco/go-sdl2/sdl"
"github.com/veandco/go-sdl2/mix"
)
func OpenAudioSystem() (err error) {
if err := sdl.Init(sdl.INIT_AUDIO); err != nil {
return err
}
if err := mix.OpenAudio(44100, mix.DEFAULT_FORMAT, 1, 2048); err != nil {
return err
}
return nil
}
func CloseAudioSystem() {
mix.CloseAudio()
sdl.Quit()
}
func PlayWavFile(soundFileName string) (err error) {
chunk, err := mix.LoadWAV(soundFileName)
if err != nil {
return err
}
defer chunk.Free()
chunk.Play(1, 0)
// Wait until the end of sound playing
for mix.Playing(-1) == 1 {
sdl.Delay(16)
}
return nil
}
func main() {
if len(os.Args) < 2 {
log.Println("expected a sound file name as argument")
os.Exit(1)
}
soundFileName := os.Args[1]
if err := OpenAudioSystem(); err != nil {
log.Println(err)
os.Exit(1)
}
defer CloseAudioSystem()
if err := PlayWavFile(soundFileName); err != nil {
log.Println(err)
os.Exit(1)
}
}