[英]Get info of audio file with his path - Objective-c iOS
實際上,我正在用這部分簡單的代碼播放歌曲:
NSURL *url=[NSURL fileURLWithPath:clickedPath];
AVPlayer *player = [AVPlayer playerWithURL:url];
AVPlayerViewController *controller = [[AVPlayerViewController alloc] init];
[self presentViewController:controller animated:YES completion:nil];
controller.player = player;
[player play];
我想做的是使用自定義視圖顯示歌曲的信息(藝術家,專輯名稱和藝術品等),該視圖與contentOverlayView的AVPlayerViewController屬性一起顯示。 我在這里搜索了所有內容,但沒有發現對我的情況有用的東西(找到了MPMediaPlayer解決方案還是無法解決)。
你可以幫我嗎? 我願意測試您的建議並進行討論!
提前致謝
NSString *path = [[NSBundle mainBundle] pathForResource:@"youraudiomp3filename" ofType:@"mp3"];
NSURL *url=[NSURL fileURLWithPath:path];
AVPlayer *player = [AVPlayer playerWithURL:url];
AVAsset *asset = [AVURLAsset URLAssetWithURL:url options:nil];
NSArray *metadata = [asset commonMetadata];
NSString *title;
NSString *artist;
NSString *albumName;
UIImageView *imageView;
for (AVMetadataItem *item in metadata) {
if ([[item commonKey] isEqualToString:@"title"]) {
title = (NSString *)[item value];
}
if ([[item commonKey] isEqualToString:@"artist"]) {
artist = (NSString *)[item value];
}
if ([[item commonKey] isEqualToString:@"albumName"]) {
albumName = (NSString *)[item value];
}
if ([[item commonKey] isEqualToString:@"artwork"]) {
NSData *data = [(NSDictionary *)[item value] objectForKey:@"data"];
UIImage *img = [UIImage imageWithData:data] ;
imageView.image = img;
continue;
}
}
然后您可以將資產設置為AVPlayerViewController的播放器,進行播放和演示。
感謝@LA的幫助,我成功地通過以下方式獲得了所有歌曲的信息:
[[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayback error:nil];
NSURL *url=[NSURL fileURLWithPath:clickedPath];
NSLog(@"url : %@", url);
avPlayer = [AVPlayer playerWithURL:url];
AVAsset *asset = [AVURLAsset URLAssetWithURL:url options:nil];
NSArray *metadata = [asset commonMetadata];
NSString *songTitle;
NSString *artist;
NSString *albumName;
UIImageView *albumImageView = [[UIImageView alloc] init];
for (AVMetadataItem *item in metadata) {
if ([[item commonKey] isEqualToString:@"title"]) {
songTitle = (NSString *)[item value];
NSLog(@"song title : %@", songTitle);
}
if ([[item commonKey] isEqualToString:@"albumName"]) {
albumName = (NSString *)[item value];
NSLog(@"album name : %@", albumName);
}
if ([[item commonKey] isEqualToString:@"artist"]) {
artist = (NSString *)[item value];
NSLog(@"song artist : %@", artist);
}
if ([[item commonKey] isEqualToString:@"artwork"]) {
NSData *data = [item dataValue];
UIImage *img = [UIImage imageWithData:data] ;
albumImageView.image = img;
[albumImageView setTranslatesAutoresizingMaskIntoConstraints:NO];
continue;
}
}
AVPlayerViewController *controller = [[AVPlayerViewController alloc] init];
[self presentViewController:controller animated:YES completion:nil];
[controller.contentOverlayView addSubview:albumImageView];
controller.player = avPlayer;
[avPlayer play];
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