common

type AudioMeta interface {
	GetArtists() []string
	GetTitle() string
	GetAlbum() string
}

type AudioMetaGetter interface {
	GetAudioMeta(ctx context.Context) (AudioMeta, error)
}

type CoverImageGetter interface {
	GetCoverImage(ctx context.Context) ([]byte, error)
}

type CryptoParams struct {
	// KuGou kgg database path
	KggDbPath string

	// QMC Crypto config
	QmcKeys QMCKeys
}

type Decoder interface {
	Validate() error
	io.Reader
}

type DecoderFactory struct {
	Suffix string
	Create NewDecoderFunc
	// contains filtered or unexported fields
}

type DecoderParams struct {
	Reader    io.ReadSeeker // required
	Extension string        // required, source extension, eg. ".mp3"

	FilePath string // optional, source file path

	Logger *zap.Logger // required

	CryptoParams CryptoParams
}

type NewDecoderFunc func(p *DecoderParams) Decoder

type QMCKeys map[string]string

type RawDecoder struct {
	// contains filtered or unexported fields
}

type StreamDecoder interface {
	Decrypt(buf []byte, offset int)
}