これを試してください: -
NSURL *urlvideo = [info objectForKey:UIImagePickerControllerMediaURL];
NSString *str = [NSString stringWithFormat:@"%@/uploadVideoIphone.php",appUrl];
NSURL *url = [NSURL URLWithString:[str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:url];
NSString *filePath = [urlvideo path];
[request addFile:filePath forKey:@"uploadfile"];
[request setRequestMethod:@"POST"];
[request setDelegate:self];
[request setTimeOutSeconds:200];
[request startSynchronous];
NSLog(@"responseStatusCode %i",[request responseStatusCode]);
NSLog(@"responseString %@",[request responseString]);
[self dismissModalViewControllerAnimated:YES];
あなたの質問は何ですか? – jtbandes