129 lines
2.9 KiB
Go
129 lines
2.9 KiB
Go
package qmc
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import (
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"context"
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"errors"
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"fmt"
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"strings"
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"github.com/samber/lo"
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"unlock-music.dev/cli/algo/common"
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"unlock-music.dev/cli/algo/qmc/client"
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"unlock-music.dev/cli/internal/ffmpeg"
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)
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func (d *Decoder) GetAudioMeta(ctx context.Context) (common.AudioMeta, error) {
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if d.meta != nil {
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return d.meta, nil
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}
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if d.songID != 0 {
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if err := d.getMetaBySongID(ctx); err != nil {
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return nil, err
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}
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return d.meta, nil
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}
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embedMeta, err := ffmpeg.ProbeReader(ctx, d.probeBuf)
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if err != nil {
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return nil, fmt.Errorf("qmc[GetAudioMeta] probe reader: %w", err)
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}
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d.meta = embedMeta
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d.embeddedCover = embedMeta.HasAttachedPic()
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if !d.embeddedCover && embedMeta.HasMetadata() {
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if err := d.searchMetaOnline(ctx, embedMeta); err != nil {
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return nil, err
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}
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return d.meta, nil
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}
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return d.meta, nil
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}
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func (d *Decoder) getMetaBySongID(ctx context.Context) error {
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c := client.NewQQMusicClient() // todo: use global client
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trackInfo, err := c.GetTrackInfo(ctx, d.songID)
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if err != nil {
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return fmt.Errorf("qmc[GetAudioMeta] get track info: %w", err)
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}
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d.meta = trackInfo
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d.albumID = trackInfo.Album.Id
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if trackInfo.Album.Pmid == "" {
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d.albumMediaID = trackInfo.Album.Pmid
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} else {
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d.albumMediaID = trackInfo.Album.Mid
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}
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return nil
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}
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func (d *Decoder) searchMetaOnline(ctx context.Context, original common.AudioMeta) error {
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c := client.NewQQMusicClient() // todo: use global client
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keyword := lo.WithoutEmpty(append(
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[]string{original.GetTitle(), original.GetAlbum()},
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original.GetArtists()...),
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)
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if len(keyword) == 0 {
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return errors.New("qmc[searchMetaOnline] no keyword")
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}
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trackList, err := c.Search(ctx, strings.Join(keyword, " "))
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if err != nil {
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return fmt.Errorf("qmc[searchMetaOnline] search: %w", err)
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}
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if len(trackList) == 0 {
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return errors.New("qmc[searchMetaOnline] no result")
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}
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meta := trackList[0]
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d.meta = meta
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d.albumID = meta.Album.Id
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if meta.Album.Pmid == "" {
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d.albumMediaID = meta.Album.Pmid
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} else {
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d.albumMediaID = meta.Album.Mid
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}
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return nil
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}
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func (d *Decoder) GetCoverImage(ctx context.Context) ([]byte, error) {
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if d.cover != nil {
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return d.cover, nil
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}
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if d.embeddedCover {
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img, err := ffmpeg.ExtractAlbumArt(ctx, d.probeBuf)
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if err != nil {
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return nil, fmt.Errorf("qmc[GetCoverImage] extract album art: %w", err)
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}
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d.cover = img.Bytes()
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return d.cover, nil
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}
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c := client.NewQQMusicClient() // todo: use global client
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var err error
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if d.albumMediaID != "" {
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d.cover, err = c.AlbumCoverByMediaID(ctx, d.albumMediaID)
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if err != nil {
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return nil, fmt.Errorf("qmc[GetCoverImage] get cover by media id: %w", err)
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}
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} else if d.albumID != 0 {
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d.cover, err = c.AlbumCoverByID(ctx, d.albumID)
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if err != nil {
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return nil, fmt.Errorf("qmc[GetCoverImage] get cover by id: %w", err)
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}
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} else {
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return nil, errors.New("qmc[GetAudioMeta] album (or media) id is empty")
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}
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return d.cover, nil
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}
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