问题描述
我正在尝试使用新的视频媒体类型浏览存储在我的iPod库中的视频。对于任何视频类型,我在控制台上收到此错误:
I am trying to browse video stored in my iPod library using the new video media types. With any video type I get this error on the console:
Warning: Unsupported media types (1024), using MPMediaTypeAny.
此错误后,选择器仅显示音频类型。
After this error, the picker only shows audio types.
作为参考,这些是iOS5.0中可用的新媒体类型(在MediaPlayer.framework / MediaItem.h中定义):
For reference, these are the new media types available in iOS5.0 (defined in MediaPlayer.framework/MediaItem.h):
// video (available in iOS 5.0)
MPMediaTypeMovie = 1 << 8,
MPMediaTypeTVShow = 1 << 9,
MPMediaTypeVideoPodcast = 1 << 10,
MPMediaTypeMusicVideo = 1 << 11,
MPMediaTypeVideoITunesU = 1 << 12,
MPMediaTypeAnyVideo = 0xff00,
推荐答案
可以您在代码中成功查询电影库,例如:
Can you query the Movie library in code successfully e.g.:
MPMediaPropertyPredicate *predicate = [MPMediaPropertyPredicate predicateWithValue:[NSNumber numberWithInteger:MPMediaTypeMovie] forProperty:MPMediaItemPropertyMediaType];
MPMediaQuery *query = [[MPMediaQuery alloc] init];
[query addFilterPredicate:predicate];
NSArray *items = [query items];
for (MPMediaItem* item in items)
{
NSString* title = [item valueForProperty:MPMediaItemPropertyTitle];
url = [item valueForProperty:MPMediaItemPropertyAssetURL];
}
你应该看到所有的电影片头。这对我在IOS5和iPad 2上都没问题。但我仍然有你的问题。解决方法是将上面的代码结果放在自己的模态视图中。
You should see all movie titles. This is OK for me on IOS5 and iPad 2. I still have your problem though. A workaround is putting the above code results in its own modal view.
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