xcode 如何设置视频的缩略图？
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how to set thumbnail image of video?
提问by Developer
I have a custom button in my application on click of which I present a UIImagePickerControllerSourceTypeCamera to take a video.
我在我的应用程序中有一个自定义按钮，单击它我会显示一个 UIImagePickerControllerSourceTypeCamera 来拍摄视频。
Now, after capturing the video I want to set a thumbnail of it to this custom button.
现在，在捕获视频后，我想将它的缩略图设置为此自定义按钮。
How to take 1st frame of that video to set thumbnail ?
如何拍摄该视频的第一帧以设置缩略图？
回答by iOS
refer the following links. You can get some ideas regarding creating thumbnails for videos.
请参考以下链接。您可以获得一些有关为视频创建缩略图的想法。
stackoverflow.com/questions/1259316/iphone-sdk-3-0-video-thumbnail
stackoverflow.com/questions/1259316/iphone-sdk-3-0-video-thumbnail
回答by boopathi
Check This.
检查这个。
NSString *videoLink=[info objectForKey:@"UIImagePickerControllerMediaURL"];
MPMoviePlayerController *player = [[MPMoviePlayerController alloc] initWithContentURL:(NSURL*)videoLink];
UIImage *imageSel = [player thumbnailImageAtTime:1.0 timeOption:MPMovieTimeOptionNearestKeyFrame];
[player stop];
[player release];
