Playing an audio or video file right after it is downloaded - objective-c

Question

I use NSURLConnection delegate methods to download either a video or audio file, the download is OK, now i need to play it right after it has finished downloading.
My relevant code is this:
-(IBAction)downloadAndPlay:(id)sender{
NSString *fileUrlPath=[host stringByAppendingString:rowContent];
// Create the request.
NSURLRequest *theRequest=[NSURLRequest requestWithURL:[NSURL URLWithString:fileUrlPath]
cachePolicy:NSURLRequestUseProtocolCachePolicy
timeoutInterval:60.0];
// create the connection with the request
// and start loading the data
NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:theRequest delegate:self];
if (theConnection) {
// Create the NSMutableData to hold the received data.
receivedData = [NSMutableData data] ;
//NSLog(#"connection succeeded");
} else {
// Inform the user that the connection failed.
UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:#"Music Album" message:#"Connection failed, please try again" delegate:self cancelButtonTitle:#"OK" otherButtonTitles:nil];
[alertView show];
}
}
//NSURLConnection delegate methods
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
{
// This method is called when the server has determined that it
// has enough information to create the NSURLResponse.
// It can be called multiple times, for example in the case of a
// redirect, so each time we reset the data.
// receivedData is an instance variable declared elsewhere.
[receivedData setLength:0];
}
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
// Append the new data to receivedData.
// receivedData is an instance variable declared elsewhere.
[receivedData appendData:data];
}
- (void)connection:(NSURLConnection *)connection
didFailWithError:(NSError *)error
{
// inform the user
NSLog(#"Connection failed! Error - %# %#",
[error localizedDescription],
[[error userInfo] objectForKey:NSURLErrorFailingURLStringErrorKey]);
}
- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
// do something with the data
// receivedData is declared as a method instance elsewhere
NSLog(#"Succeeded! Received %d bytes of data",[receivedData length]);
}
How can i play the file (either audio or video) right after it is downloaded (auto play).
Thanx in advance.

Answer 1

You will need to save the data you've downloaded to a file, and then open the file using a MPMoviePlayerViewController or similar. Right now you just download your file as NSData, and leave it at that.
So save your NSData object to the file system with the appropriate name/extension (or just write your download to the file system itself, which makes more sense for larger files), get a file URL handle, and pass it to your media player.