// Add a voice to list of available voices, given a name the voice
// will be known as, and the path to the flitevox file. Preferably use
// absolute voice paths. If no voices are added, the "slt" voice is
// always supported
func (voices *voxbase) addVoice(name, path string) error {
voices.mutex.Lock()
defer voices.mutex.Unlock()
_, present := voices.flitevox[name]
if present {
return errors.New("Voice with given name already present")
}
pathC := C.CString("file://" + path)
defer C.free(unsafe.Pointer(pathC))
v := C.flite_voice_select(pathC)
if v == nil {
return errors.New("Voice File could not be loaded")
}
voices.flitevox[name] = v
return nil
}
func newVoxBase() *voxbase {
s := &voxbase{flitevox: make(map[string]flitevoice)}
// Add Default Voice
name := C.CString(defaultVoiceName)
v := C.flite_voice_select(name)
C.free(unsafe.Pointer(name))
if v != nil {
name := C.GoString(v.name)
if name == defaultVoiceName {
s.flitevox[defaultVoiceName] = v
} else {
C.delete_voice(v)
}
}
return s
}