feat: add tips for QMC with STag suffix

This commit is contained in:
Unlock Music Dev 2022-11-19 07:25:36 +08:00
parent 9647ca15fd
commit 7b37e4dd3c
Signed by: um-dev
GPG Key ID: 95202E10D3413A1D
1 changed files with 7 additions and 9 deletions

View File

@ -91,7 +91,7 @@ func (d *Decoder) Validate() error {
return nil
}
func (d Decoder) GetFileExt() string {
func (d *Decoder) GetFileExt() string {
return d.fileExt
}
@ -105,20 +105,18 @@ func (d *Decoder) searchKey() error {
return err
}
if string(buf) == "QTag" {
if err := d.readRawMetaQTag(); err != nil {
return err
}
return d.readRawMetaQTag()
} else if string(buf) == "STag" {
return errors.New("qmc: file with 'STag' suffix doesn't contains media key")
} else {
size := binary.LittleEndian.Uint32(buf)
if size < 0x300 && size != 0 {
return d.readRawKey(int64(size))
} else {
// try to use default static cipher
d.audioLen = int(fileSizeM4 + 4)
return nil
}
// try to use default static cipher
d.audioLen = int(fileSizeM4 + 4)
return nil
}
return nil
}
func (d *Decoder) readRawKey(rawKeyLen int64) error {