protected override void OnNavigatedTo(NavigationEventArgs e)
{
// Create a static playback list
mplLogger = new MediaPlaybackListLogger(LoggerControl, playbackList);
InitializePlaybackList();
//Create the MediaPlayer:
mp = new MediaPlayer();
mpLogger = new MediaPlayerLogger(LoggerControl, mp);
// Subscribe to MediaPlayer PlaybackState changed events
mp.PlaybackSession.PlaybackStateChanged += PlaybackSession_PlaybackStateChanged;
// Subscribe to MediaPlayer PlaybackRate changed events
mp.PlaybackSession.PlaybackRateChanged += PlaybackSession_PlaybackRateChanged;
// Subscribe to list UI changes
playlistView.ItemClick += PlaylistView_ItemClick;
//Attach the player to the MediaPlayerElement:
mediaPlayerElement.SetMediaPlayer(mp);
// Set list for playback
mp.Source = playbackList;
}
private void Page_OnLoaded(object sender, RoutedEventArgs e)
{
var mediaPlayer = new MediaPlayer();
// We use a helper class that logs all the events for the MediaPlayer:
mediaPlayerLogger = new MediaPlayerLogger(LoggerControl, mediaPlayer);
// In addition to logging, we use the callbacks to update some UI elements in this scenario:
RegisterForDiscreteControls(mediaPlayer);
RegisterForPositionUpdateControls(mediaPlayer);
// Ensure we have PlayReady support, in case the user enters a DASH/PR Uri in the text box.
var prHelper = new PlayReadyHelper(LoggerControl);
prHelper.SetUpProtectionManager(mediaPlayer);
mediaPlayerElement.SetMediaPlayer(mediaPlayer);
ContentSelectorControl.Initialize(
mediaPlayer,
MainPage.ContentManagementSystemStub.Where(m => !m.Aes && m.Live),
null,
LoggerControl,
LoadSourceFromUriAsync);
// Initialize scenario specific layout:
ContentSelectorControl.SetAutoPlay(true);
mediaPlayerElement.AreTransportControlsEnabled = false;
LoggerControl.Height = 200;
}
protected override void OnNavigatedFrom(NavigationEventArgs e)
{
foreach (var mpiLogger in mpiLoggerList)
{
mpiLogger.Dispose();
}
mpiLoggerList.Clear();
mpLogger?.Dispose();
mpLogger = null;
MediaPlayerHelper.CleanUpMediaPlayerSource(mp);
playbackList.Items.Clear();
playlistView.Items.Clear();
}
private void Page_OnLoaded(object sender, RoutedEventArgs e)
{
// Explicitly create the instance of MediaPlayer if you need to register for its events
// (like MediaOpened / MediaFailed) prior to setting an IMediaPlaybackSource.
var mediaPlayer = new MediaPlayer();
// We use a helper class that logs all the events for the MediaPlayer:
mediaPlayerLogger = new MediaPlayerLogger(LoggerControl, mediaPlayer);
// Ensure we have PlayReady support, in case the user enters a DASH/PR Uri in the text box.
var prHelper = new PlayReadyHelper(LoggerControl);
prHelper.SetUpProtectionManager(mediaPlayer);
mediaPlayerElement.SetMediaPlayer(mediaPlayer);
// This Scenario focuses on event handling, mostly via the "Logger" helper classes
// in the Shared folder.
//
// In addition, the App can also insert an IHttpFilter into the Windows.Web.Http stack
// which is used by the AdaptiveMediaSource. To do so, it must derive a class from
// IHttpFilter, provide the HttpBaseProtocolFilter to that class to execute requests,
// then use the derived filter as the constructor for the HttpClient.
//
// The HttpClient is then used in the constructor of the AdaptiveMediaSource.
// The App should explicitly set:
// CacheControl.WriteBehavior = HttpCacheWriteBehavior.NoCache
// When passing an HttpClient into the constructor of AdpativeMediaSource,
// set this on the HttpBaseProtocolFilter.
//
// More than one IHttpFilter can be nested, for example, an App might
// use a filter to modify web requests: see Scenario3 for details.
//
// In this scenario, we add an AdaptiveMediaSourceHttpFilterLogger to provide additional
// verbose logging details for each request.
var baseProtocolFilter = new HttpBaseProtocolFilter();
baseProtocolFilter.CacheControl.WriteBehavior = HttpCacheWriteBehavior.NoCache; // Always set WriteBehavior = NoCache
var fistLevelFilter = new AdaptiveMediaSourceHttpFilterLogger(LoggerControl, baseProtocolFilter);
var httpClient = new HttpClient(fistLevelFilter);
ContentSelectorControl.Initialize(
mediaPlayer,
MainPage.ContentManagementSystemStub.Where(m => !m.Aes),
httpClient,
LoggerControl,
LoadSourceFromUriAsync);
}
private void Page_OnLoaded(object sender, RoutedEventArgs e)
{
var mediaPlayer = new MediaPlayer();
// We use a helper class that logs all the events for the MediaPlayer:
mediaPlayerLogger = new MediaPlayerLogger(LoggerControl, mediaPlayer);
// Ensure we have PlayReady support, in case the user enters a DASH/PR Uri in the text box.
var prHelper = new PlayReadyHelper(LoggerControl);
prHelper.SetUpProtectionManager(mediaPlayer);
mediaPlayerElement.SetMediaPlayer(mediaPlayer);
ContentSelectorControl.Initialize(
mediaPlayer,
MainPage.ContentManagementSystemStub.Where(m => !m.Aes),
null,
LoggerControl,
LoadSourceFromUriAsync);
}
private void Page_OnLoaded(object sender, RoutedEventArgs e)
{
// We enforce HDCP in this scenario that uses encryption but not PlayReady.
hdcpSession = new HdcpSession();
// The protection level may change if screens are plugged or unplugged from the system or
// if explicitly set in the radio buttons in the UI.
hdcpSession.ProtectionChanged += (HdcpSession session, object args) =>
{
// After a change, impose a maximum bitrate based on the actual protection level.
HdcpProtection?protection = session.GetEffectiveProtection();
SetMaxBitrateForProtectionLevel(protection, adaptiveMediaSource);
};
// Explicitly create the instance of MediaPlayer if you need to register for its events
// (like MediaOpened / MediaFailed) prior to setting an IMediaPlaybackSource.
var mediaPlayer = new MediaPlayer();
// We use a helper class that logs all the events for the MediaPlayer:
mediaPlayerLogger = new MediaPlayerLogger(LoggerControl, mediaPlayer);
mediaPlayerElement.SetMediaPlayer(mediaPlayer);
ContentSelectorControl.Initialize(
mediaPlayer,
MainPage.ContentManagementSystemStub.Where(m => !m.PlayReady),
null,
LoggerControl,
LoadSourceFromUriAsync);
ContentSelectorControl.HideLoadUri(); // Avoid free text URIs for this scenario.
// Initialize tokenMethod based on the default selected radio button.
var defaultRadioButton = AzureAuthorizationMethodPanel.Children.OfType <RadioButton>().First(button => button.IsChecked.Value);
Enum.TryParse((string)defaultRadioButton.Tag, out tokenMethod);
Log("Content Id 13 and 14 require that you choose an authorization method.");
ContentSelectorControl.SetSelectedModel(MainPage.ContentManagementSystemStub.Where(m => m.Id == 13).FirstOrDefault());
}
private void Page_OnLoaded(object sender, RoutedEventArgs e)
{
var mediaPlayer = new MediaPlayer();
// We use a helper class that logs all the events for the MediaPlayer:
mediaPlayerLogger = new MediaPlayerLogger(LoggerControl, mediaPlayer);
// Ensure we have PlayReady support, if the user enters a DASH/PR Uri in the text box:
var prHelper = new PlayReadyHelper(LoggerControl);
prHelper.SetUpProtectionManager(mediaPlayer);
mediaPlayerElement.SetMediaPlayer(mediaPlayer);
ContentSelectorControl.Initialize(
mediaPlayer,
MainPage.ContentManagementSystemStub.Where(m => !m.Aes),
null,
LoggerControl,
LoadSourceFromUriAsync);
// There is no InboundBitsPerSecondChanged event, so we start a polling thread to update UI.
PollForInboundBitsPerSecond(ctsForInboundBitsPerSecondUiRefresh);
}
