[iOS]关于视频方向的若干问题 |
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[iOS]关于视频方向的若干问题
 
1 //…...
2 NSString * url = @"http://www.yourdomain.com/Videos/1.m3u8";
3 MPMoviePlayerViewController * vc = [[MPMoviePlayerViewController alloc] init];
4 vc.moviePlayer.contentURL = [NSURL URLWithString:url];
5 // 这里播放一个Rotation为90的视频，即Home键在下录制的视频
6 [self rotateVideoView:vc degrees:90];
7 [self presentMoviePlayerViewControllerAnimated:vc];
8 [vc.moviePlayer play];
9
10 //…...
11 - (void)rotateVideoView:(MPMoviePlayerViewController *)movePlayerViewController degrees:(NSInteger)degrees
12 {
13 if(degrees==0||degrees==360) return;
14 if(degrees360) degrees = degrees % 360;
16 // MPVideoView在iOS8中Tag为1002，不排除苹果以后更改的可能性。参考递归查看View层次结构的lldb命令： (lldb) po [movePlayerViewController.view recursiveDescription]
17 UIView *videoView = [movePlayerViewController.view viewWithTag:1002];
18 if ([videoView isKindOfClass:NSClassFromString(@"MPVideoView")]) {
19 videoView.transform = CGAffineTransformMakeRotation(M_PI * degrees / 180.0);
20 videoView.frame = movePlayerViewController.view.bounds;
21 }
22 }
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