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cli/algo/common/raw.go

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package common
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import (
"errors"
"strings"
)
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type RawDecoder struct {
file []byte
audioExt string
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}
func NewRawDecoder(file []byte) Decoder {
return &RawDecoder{file: file}
}
func (d *RawDecoder) Validate() error {
for ext, sniffer := range snifferRegistry {
if sniffer(d.file) {
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d.audioExt = strings.ToLower(ext)
return nil
}
}
return errors.New("audio doesn't recognized")
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}
func (d RawDecoder) Decode() error {
return nil
}
func (d RawDecoder) GetCoverImage() []byte {
return nil
}
func (d RawDecoder) GetAudioData() []byte {
return d.file
}
func (d RawDecoder) GetAudioExt() string {
return d.audioExt
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}
func (d RawDecoder) GetMeta() Meta {
return nil
}
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func init() {
RegisterDecoder("mp3", NewRawDecoder)
RegisterDecoder("flac", NewRawDecoder)
RegisterDecoder("ogg", NewRawDecoder)
RegisterDecoder("m4a", NewRawDecoder)
RegisterDecoder("wav", NewRawDecoder)
RegisterDecoder("wma", NewRawDecoder)
RegisterDecoder("aac", NewRawDecoder)
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}