music-library/video_encoder.go

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package main
import (
"os/exec"
"sync"
"git.milar.in/milarin/channel"
)
var EncodeRunner = channel.NewLimitedRunner(1)
func EncodeVideo2Mp3(inputFile, outputFile string) error {
var err error
wg := &sync.WaitGroup{}
wg.Add(1)
EncodeRunner.Run(func() {
defer wg.Done()
cmd := exec.Command("ffmpeg", "-i", inputFile, "-vn", outputFile)
if err = cmd.Start(); err != nil {
return
}
if err = cmd.Wait(); err != nil {
return
}
})
wg.Wait()
return err
}