// LoadPreset reads a sysex file and sets the current synthdef.
func (dx7 *DX7) LoadPreset(name string) error {
// Read the sysex and load the appropriate synthdef.
f, err := os.Open(name)
if err != nil {
return err
}
syx, err := sysex.New(f)
if err != nil {
return err
}
dx7.currentPreset = syx
dx7.Poly.Def = getDefName(syx.Data.Algorithm)
logger.Printf("set current synthef to %s\n", dx7.Poly.Def)
return nil
}
// run is the heart of the program.
func run(r io.Reader, w io.Writer, format string) error {
syx, err := sysex.New(r)
if err != nil {
return err
}
switch format {
default:
return fmt.Errorf("Unrecognized format: %s", format)
case "xml":
return xml.NewEncoder(w).Encode(syx)
case "json":
return json.NewEncoder(w).Encode(syx)
}
}
