MPMoviePlayerController gives me a black empty view,no video playing - ios

Question

iOS 5.1 ,here is the code:
MPMoviePlayerController *player =
[[MPMoviePlayerController alloc] initWithContentURL: [NSURL URLWithString:#"map.mp4"]];
[player prepareToPlay];
[player.view setFrame: self.view.bounds]; // player's frame must match parent's
[self.view addSubview: player.view];
// ...
[player play];
in fact ,this is just the same as the apple reference say,but when I click the button to use this function,there is just a black Rectangle stay there,no vedio playing ,no sound happening,and no crush,so I want to know how to make this work

Answer 1

Sorry for very late reply. The Solution is kind of wierd. But it helped me keep going while facing the same issue.
MPMovieSourceTypeStreaming is the thing you have missed.
MPMoviePlayerController *player =
[[MPMoviePlayerController alloc] initWithContentURL: [NSURL URLWithString:#"map.mp4"]];
[player prepareToPlay];
[player.view setFrame: self.view.bounds]; // player's frame must match parent's
player.movieSourceType = MPMovieSourceTypeStreaming;
[self.view addSubview: player.view];
// ...
[player play];

Answer 2

You may be sending your
[player play]
message too soon.
Use the following notification observation
[[NSNotificationCenter defaultCenter] addObserver:self selector:#selector(playMovie:) name:MPMoviePlayerLoadStateDidChangeNotification object:player];
To listen for the loadState to change to playable. To check for that update do this :
- (void)playMovie:(NSNotification *)notification {
MPMoviePlayerController *player = notification.object;
if (player.loadState & MPMovieLoadStatePlayable)
{
NSLog(#"Movie is Ready to Play");
[player play];
}
}
The movie should begin playing once it's ready.

Answer 3

Try this below code for play video from your project Resource :
NSBundle *bundle = [NSBundle mainBundle];
NSString *moviePath = [bundle pathForResource:#"map" ofType:#"mp4"];
NSURL *movieURL = [[NSURL fileURLWithPath:moviePath] retain];
MPMoviePlayerController *player =
[[MPMoviePlayerController alloc] initWithContentURL:movieURL];
[player prepareToPlay];
[player.view setFrame: self.view.bounds]; // player's frame must match parent's
[self.view addSubview: player.view];
// ...
[player play];
Thanks..!

Answer 4

Building on #Dinesh's answer, your URL creation is incorrect. The value of
[NSURL URLWithString:#"map.mp4"]
will be nil since #"map.mp4" is not a valid URL. To create a valid url from the app's bundle do what Dinesh says. To create a remote URL you would do something like
[NSURL URLWithString:#"http://www.jplayer.org/video/m4v/Big_Buck_Bunny_Trailer.m4v"]
The URL should contain all it's parts: protocol, host, path, file.
Cheers, Felipe

Answer 5

Add your movie player controller view on main windows like:
MPMoviePlayerController *player =
[[MPMoviePlayerController alloc] initWithContentURL: [NSURL URLWithString:#"map.mp4"]];
[player prepareToPlay];
[player.view setFrame: self.view.bounds];
AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
[appDelegate.window addSubview: player.view];
[player play];
Hope so it will work!

Answer 6

Your player should be a property of your view controller, something like this:
.h:
#property(nonatomic,weak)MPMoviePlayerController *moviePlayer;
.m:
MPMoviePlayerController *player =
[[MPMoviePlayerController alloc] initWithContentURL: [NSURL URLWithString:#"map.mp4"]];
[player prepareToPlay];
[player.view setFrame: self.view.bounds]; // player's frame must match parent's
//set the player to your property
self.moviePlayer=player;
[self.view addSubview: self.moviePlayer.view];
// ...
[self.moviePlayer play];

Answer 7

Please use MPMoviePlayerViewController Because of MP4 file. When you use MOV then working perfect!!
MPMoviePlayerViewController *moviePlayerViewController;
-(void)PlayVideoController:(NSString*)videoUrl1 {
NSURL *fileURL = [NSURL URLWithString:videoUrl1];
moviePlayerViewController = [[MPMoviePlayerViewController alloc] initWithContentURL:fileURL];
// Register for the playback finished notification.
[[NSNotificationCenter defaultCenter] addObserver:self selector:#selector(myMovieFinishedCallback:) name:MPMoviePlayerPlaybackDidFinishNotification object:moviePlayerViewController.moviePlayer];
//Present
[self presentMoviePlayerViewControllerAnimated:moviePlayerViewController];
// Play the movie!
moviePlayerViewController.moviePlayer.movieSourceType = MPMovieSourceTypeFile;
[moviePlayerViewController.moviePlayer play];
}
-(void)myMovieFinishedCallback:(NSNotification*)aNotification {
[[NSNotificationCenter defaultCenter] removeObserver:self name:MPMoviePlayerPlaybackDidFinishNotification object:moviePlayerViewController.moviePlayer];
[moviePlayerViewController release], moviePlayerViewController = nil;
}

Answer 8

You might want to cross check video url for blank spaces. Following code works for me.
- (IBAction)btnPlayVideo:(id)sender {
self.strVideoUrl = [self.strVideoUrl stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSURL *fileURL = [NSURL URLWithString:[NSString stringWithFormat:#"%#", self.strVideoUrl]];
NSLog(#"Url to play = %#", self.strVideoUrl);
self.moviePlayerController = [[MPMoviePlayerController alloc] initWithContentURL:fileURL];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:#selector(moviePlaybackComplete:)
name:MPMoviePlayerPlaybackDidFinishNotification
object:self.moviePlayerController];
[self.moviePlayerController.view setFrame:self.view.bounds];
[self.view addSubview:self.moviePlayerController.view];
self.moviePlayerController.shouldAutoplay = YES;
self.moviePlayerController.fullscreen = YES;
self.moviePlayerController.controlStyle=NO;
[self.moviePlayerController prepareToPlay];
self.moviePlayerController.movieSourceType = MPMovieSourceTypeStreaming;
[self.moviePlayerController play];
}
- (void)moviePlaybackComplete:(NSNotification *)notification
{
self.moviePlayerController = [notification object];
[[NSNotificationCenter defaultCenter] removeObserver:self
name:MPMoviePlayerPlaybackDidFinishNotification
object:self.moviePlayerController];
[self.moviePlayerController.view removeFromSuperview];
self.closeVideAdProp.hidden = NO;
btnCloseAd.hidden=FALSE;
}