访问 iPhone OS 3.0 中的 BPM ID3 标签
有没有办法使用 iPhone OS 3.0 SDK 访问 iPod 上歌曲的 BPM(每分钟节拍数)ID3 标签? 我正在查看
我没有看到它:
NSString const MPMediaItemPropertyPersistentID; / filterable */ NSString const MPMediaItemPropertyMediaType; / filterable */ NSString const MPMediaItemPropertyTitle; / filterable */ NSString const MPMediaItemPropertyAlbumTitle; / filterable */ NSString const MPMediaItemPropertyPodcastTitle; / filterable */ NSString const MPMediaItemPropertyArtist; / filterable */ NSString const MPMediaItemPropertyAlbumArtist; / filterable */ NSString const MPMediaItemPropertyGenre; / filterable */ NSString const MPMediaItemPropertyComposer; / filterable */ NSString *const MPMediaItemPropertyPlaybackDuration; NSString *const MPMediaItemPropertyAlbumTrackNumber; NSString *const MPMediaItemPropertyAlbumTrackCount; NSString *const MPMediaItemPropertyDiscNumber; NSString *const MPMediaItemPropertyDiscCount; NSString *const MPMediaItemPropertyArtwork; NSString *const MPMediaItemPropertyLyrics; NSString const MPMediaItemPropertyIsCompilation; / filterable */
Is there any way to access the BPM (beats per minute) ID3 tag of a song on your iPod using the iPhone OS 3.0 SDK? I'm looking at
and i don't see it:
NSString const MPMediaItemPropertyPersistentID; / filterable */
NSString const MPMediaItemPropertyMediaType; / filterable */
NSString const MPMediaItemPropertyTitle; / filterable */
NSString const MPMediaItemPropertyAlbumTitle; / filterable */
NSString const MPMediaItemPropertyPodcastTitle; / filterable */
NSString const MPMediaItemPropertyArtist; / filterable */
NSString const MPMediaItemPropertyAlbumArtist; / filterable */
NSString const MPMediaItemPropertyGenre; / filterable */
NSString const MPMediaItemPropertyComposer; / filterable */
NSString *const MPMediaItemPropertyPlaybackDuration;
NSString *const MPMediaItemPropertyAlbumTrackNumber;
NSString *const MPMediaItemPropertyAlbumTrackCount;
NSString *const MPMediaItemPropertyDiscNumber;
NSString *const MPMediaItemPropertyDiscCount;
NSString *const MPMediaItemPropertyArtwork;
NSString *const MPMediaItemPropertyLyrics;
NSString const MPMediaItemPropertyIsCompilation; / filterable */
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如果您没有看到它,请提交 Radar 以将其包含在内,或者可能要求提供具有更通用的查询标签值方法的 API。
If you don't see it, submit a Radar to have it included, or perhaps to ask for an API with a more general means of querying tag values.