// LoadVoice loads a voice from a directory.
func LoadVoice(path string) (Voice, error) {
res, err := loadRawVoice(path)
if err != nil {
return nil, err
}
// Load the cuts.json file if possible
f, err := os.Open(filepath.Join(path, "cuts.json"))
if err != nil {
return res, nil
}
defer f.Close()
content, err := ioutil.ReadAll(f)
if err != nil {
return res, nil
}
// Parse cuts.json
var cuts map[string]fileCut
if err := json.Unmarshal(content, &cuts); err != nil {
return res, nil
}
// Apply the cuts
for name, cut := range cuts {
if sound, ok := res[name]; ok {
start := time.Duration(float64(time.Second) * cut.Start)
end := time.Duration(float64(time.Second) * cut.End)
wav.Crop(sound, start, end)
}
}
return res, nil
}
func ErrMain() error {
if len(os.Args) != 5 {
return errors.New("Usage: wav-crop <file.wav> <start> <end> " +
"<output.wav>")
}
s, err := wav.ReadSoundFile(os.Args[1])
if err != nil {
return err
}
start, err := strconv.ParseFloat(os.Args[2], 64)
if err != nil {
return err
}
end, err := strconv.ParseFloat(os.Args[3], 64)
if err != nil {
return err
}
wav.Crop(s, time.Duration(start*float64(time.Second)),
time.Duration(end*float64(time.Second)))
return wav.WriteFile(s, os.Args[4])
}