Airplay Mirroring + External UIScreen = fullscreen UIWebView video playback??

gdogdev · April 2012

Hello-
I'm currently playing around with some app ideas using AirPlay mirroring and a second UIScreen (a la Real Racing) on my Apple TV2 along with HTML5 video content (x-webkit-airplay="deny") within a UIWebView (allowsInlineMediaPlayback=YES, mediaPlaybackAllowsAirPlay=NO) on my iPad in iOS 5.

Without Airplay, the content in the UIWebView renders inline on the iPad (as expected). Once Airplay Mirroring is enabled, the content always plays full screen on the Apple TV (obscuring the external screen's UI) and shows the "video playing on Apple TV" image in the UIWebView on the main screen:

Here's my HTML:

<html>
<head>
    <title>HTML 5 Video</title>
</head>
<body>
    <video controls=\"controls\" x-webkit-airplay=\"deny\" width=\"280\" height=\"200\">
        <source src=\"http://html5demos.com/assets/dizzy.mp4\" type=\"video/mp4\" />
        <source src=\"http://html5demos.com/assets/dizzy.webm\" type=\"video/webm\" />
        <source src=\"http://html5demos.com/assets/dizzy.ogv\" type=\"video/ogv\" />
  </video> 
</body>
</html>

Here's the relevant snippet of my project code:

NSString *urlString = @\"http://medialog.roamrlog.com/video.html\";
NSURL *url = [NSURL URLWithString:urlString];
NSURLRequest *urlRequest = [[NSURLRequest alloc] initWithURL:url];
   
_webView = [[UIWebView alloc] initWithFrame:CGRectMake(50, 20, 280, 200)];

_webView.delegate = self;

_webView.allowsInlineMediaPlayback = YES;
_webView.mediaPlaybackAllowsAirPlay = NO;
   
[_webView loadRequest:urlRequest];

It seems to ignore all settings when mirroring is on:

(audio and video are transmitted to ATV via AirPlay with Mirroring as is not expected)

And acknowledges them partly (read below) when mirroring is off:

(audio is transmitted to ATV via AirPlay without Mirroring as is not expected - video is not as is expected)

I need the UIWebView content to always play inline on the main screen regardless of AirPlay Mirroring. Any ideas how I can get around this issue?

Thanks in advance!

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Airplay Mirroring + External UIScreen = fullscreen UIWebView video playback??