private void PlaylistView_ItemClick(object sender, ItemClickEventArgs e)
{
var item = e.ClickedItem as MediaModel;
LoggerControl.Log("Clicked item: " + item.Title);
// Start the background task if it wasn't running
playbackList.MoveTo((uint)playbackList.Items.IndexOf(item.MediaPlaybackItem));
if (MediaPlaybackState.Paused == mp.PlaybackSession.PlaybackState)
{
mp.Play();
}
}
/// <summary>
/// MediaPlayer state changed event handlers.
/// Note that we can subscribe to events even if Media Player is playing media in background
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
///
private async void PlaybackSession_PlaybackStateChanged(MediaPlaybackSession sender, object args)
{
LoggerControl.Log($"Current playback state changed to: {sender.PlaybackState}");
await this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
var currentState = sender.PlaybackState;
// Update state label
txtCurrentState.Text = currentState.ToString();
// Update controls
UpdateTransportControls(currentState);
});
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
// Create the media source and supplement with external timed text sources.
var source = MediaSource.CreateFromUri(rootPage.UncaptionedMediaUri);
msLogger = new MediaSourceLogger(LoggerControl, source);
var ttsEnUri = new Uri("ms-appx:///Assets/Media/ElephantsDream-Clip-SRT_en.srt");
var ttsEn = TimedTextSource.CreateFromUri(ttsEnUri);
ttsMap[ttsEn] = ttsEnUri;
var ttsPtUri = new Uri("ms-appx:///Assets/Media/ElephantsDream-Clip-SRT_pt.srt");
var ttsPt = TimedTextSource.CreateFromUri(ttsPtUri);
ttsMap[ttsPt] = ttsPtUri;
var ttsSvUri = new Uri("ms-appx:///Assets/Media/ElephantsDream-Clip-SRT_sv.srt");
var ttsSv = TimedTextSource.CreateFromUri(ttsSvUri);
ttsMap[ttsSv] = ttsSvUri;
ttsEn.Resolved += Tts_Resolved;
ttsPt.Resolved += Tts_Resolved;
ttsSv.Resolved += Tts_Resolved;
source.ExternalTimedTextSources.Add(ttsEn);
source.ExternalTimedTextSources.Add(ttsPt);
source.ExternalTimedTextSources.Add(ttsSv);
// Create the playback item from the source
var playbackItem = new MediaPlaybackItem(source);
mpiLogger = new MediaPlaybackItemLogger(LoggerControl, playbackItem);
// Present the first track
playbackItem.TimedMetadataTracksChanged += (item, args) =>
{
LoggerControl.Log($"TimedMetadataTracksChanged, Number of tracks: {item.TimedMetadataTracks.Count}");
playbackItem.TimedMetadataTracks.SetPresentationMode(0, TimedMetadataTrackPresentationMode.PlatformPresented);
};
// Set the source to start playback of the item
this.mediaPlayerElement.Source = playbackItem;
LoggerControl.Log($"Loaded: {rootPage.UncaptionedMediaUri}");
}
private async void VideoTracks_SelectedIndexChanged(ISingleSelectMediaTrackList sender, object args)
{
var videoTrackIndex = sender.SelectedIndex;
LoggerControl.Log("Switched to video track #" + (videoTrackIndex + 1)
+ " | Id: " + this.item.VideoTracks[videoTrackIndex].Id
+ " | Label: " + this.item.VideoTracks[videoTrackIndex].Label);
// Forces a new frame to be rendered when we are paused.
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
//Make sure to call the mediaPlayerElement on the UI thread:
if (mediaPlayerElement.MediaPlayer.PlaybackSession.PlaybackState == MediaPlaybackState.Paused)
{
mediaPlayerElement.MediaPlayer.StepForwardOneFrame();
}
});
}
/// <summary>
/// Given:
/// y = m * x + b
/// x = (y - b) /m
///
/// Where from above:
/// b = MinPosition
/// m = (MaxPosition - MinPosition) / sliderFullScale
///
/// We have:
/// Position = (PlaybackPosition - MinPosition) * sliderFullScale / (MaxPosition - MinPosition)
///
/// </summary>
public double GetSliderPositionAtPlaybackPosition(TimeSpan playbackPosition, double sliderFullScale, TimeSpan MinPosition, TimeSpan MaxPosition)
{
if ((MaxPosition - MinPosition).Ticks == 0)
{
return(0);
}
if (playbackPosition == TimeSpan.Zero)
{
LoggerControl.Log("Transient playbackPosition == TimeSpan.Zero", LogViewLoggingLevel.Error);
}
var interpolatedPosition = (playbackPosition - MinPosition).Ticks * sliderFullScale / (MaxPosition - MinPosition).Ticks;
if (interpolatedPosition < 0)
{
interpolatedPosition = 0;
LoggerControl.Log("Transient calculatedPosition < 0", LogViewLoggingLevel.Error);
}
return(interpolatedPosition);
}
private void Log(string message)
{
LoggerControl.Log(message);
}
private void PlaybackSession_PlaybackRateChanged(MediaPlaybackSession sender, object args)
{
LoggerControl.Log($"Current playback rate changed to: {sender.PlaybackRate}");
}
private void InitLoggerControl()
{
_loggerControl = new LoggerControl();
splitContainer1.Panel2.Controls.Add(_loggerControl);
_loggerControl.Dock = DockStyle.Fill;
}
