7c0d6604a2
Update XM Decoder
48 lines
761 B
Go
48 lines
761 B
Go
package tm
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"github.com/umlock-music/cli/algo/common"
|
|
)
|
|
|
|
var magicHeader = []byte{0x00, 0x00, 0x00, 0x20, 0x66, 0x74, 0x79, 0x70}
|
|
|
|
type Decoder struct {
|
|
file []byte
|
|
}
|
|
|
|
func (d *Decoder) GetCoverImage() []byte {
|
|
return nil
|
|
}
|
|
|
|
func (d *Decoder) GetAudioData() []byte {
|
|
return d.file[8:]
|
|
}
|
|
|
|
func (d *Decoder) GetAudioExt() string {
|
|
return ""
|
|
}
|
|
|
|
func (d *Decoder) GetMeta() common.Meta {
|
|
return nil
|
|
}
|
|
|
|
func NewDecoder(data []byte) *Decoder {
|
|
return &Decoder{file: data}
|
|
}
|
|
|
|
func (d *Decoder) Validate() error {
|
|
if len(d.file) < 8 {
|
|
return errors.New("invalid file size")
|
|
}
|
|
if !bytes.Equal(magicHeader, d.file[:8]) {
|
|
return errors.New("not a valid tm file")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (d *Decoder) Decode() error {
|
|
return nil
|
|
}
|