怎么实现iphone播放在线视频呢？

Question

请问各位朋友，如何实现在iphone上直接播放在线的视频呢

Answer 1

-(id)init
{
if(self = [super init])
{
[[NSNotificationCenter defaultCenter] addObserver:self 
 selector:@selector(moviePreloadDidFinish:) 
 name:MPMoviePlayerContentPreloadDidFinishNotification 
 object:nil];
 
 // Register to receive a notification when the movie has finished playing. 
 [[NSNotificationCenter defaultCenter] addObserver:self 
 selector:@selector(moviePlayBackDidFinish:) 
 name:MPMoviePlayerPlaybackDidFinishNotification 
 object:nil];
 
 // Register to receive a notification when the movie scaling mode has changed. 
 [[NSNotificationCenter defaultCenter] addObserver:self 
 selector:@selector(movieScalingModeDidChange:) 
 name:MPMoviePlayerScalingModeDidChangeNotification 
 object:nil];
return self;

}
return nil;
}-(void)playMovie:(Contentinfo*)info
{


if (moviePlayer != nil) 
{
[moviePlayer release];
moviePlayer = nil;
}
NSURL* url = nil;

if ([info.pathUrl hasPrefix:@"http://"])
{

url = [NSURL URLWithString:info.pathUrl];
}
else 
{

NSString* fullPath = [DataUtil getContentFilePath:info.pathUrl];
NSLog(@"%@",fullPath);
url = [NSURL fileURLWithPath:fullPath];
} if (url != nil) 
{
moviePlayer = [[MPMoviePlayerController alloc] initWithContentURL:url];
moviePlayer.scalingMode = MPMovieScalingModeAspectFit;
moviePlayer.movieControlMode = MPMovieControlModeDefault;
musicIsPlaying = [[MusicPlayerEngine shareInstence] isPlaying];
if (musicIsPlaying) 
{
[[MusicPlayerEngine shareInstence] pause];
}


self.Info=info;


[moviePlayer play];
}
}//视频已准备好播放
- (void) moviePreloadDidFinish:(NSNotification*)notification
{
NSArray *windows = [[UIApplication sharedApplication] windows];
if ([windows count] > 1)
{
UIWindow *moviePlayerWindow = [[UIApplication sharedApplication] keyWindow];
UIImageView* view = (UIImageView*)[moviePlayerWindow viewWithTag:LOADING_VIEW_TAG];
if (view != nil) {
[view removeFromSuperview];
}
}


if (0==[[notification userInfo] count])
{ //将系统时间给contentInfo对象
NSString *a=[NSString stringWithString:[self getTime]];
Info.lastPlayedTime=a;
//将contentInfo对象添加到最近播放列表
[[DataBase sharedInstance] addContentInfoToRecentPlayList:self.Info];
}    NSLog(@"moviePreloadDidFinish");
}
//视频已播放结束
- (void) moviePlayBackDidFinish:(NSNotification*)notification
{
    NSLog(@"moviePlayBackDidFinish");

          

if (musicIsPlaying) {
[[MusicPlayerEngine shareInstence] playMusic];
}
//begin zhaozhou mv播放界面退出后，刷新最近播放界面
[self.delegate reloadRecentPlayTableView:self];
//end

}
//视频比例模式发生改变。
- (void) movieScalingModeDidChange:(NSNotification*)notification
{
    NSLog(@"movieScalingModeDidChange");

}