public async Task Play(IMediaFile mediaFile = null)
{
var sameMediaFile = mediaFile == null || mediaFile.Equals(_currentMediaFile);
if (Status == MediaPlayerStatus.Paused && sameMediaFile)
{
Status = MediaPlayerStatus.Playing;
//We are simply paused so just start again
Player.Play();
return;
}
if (mediaFile != null)
{
nsUrl = MediaFileUrlHelper.GetUrlFor(mediaFile);
_currentMediaFile = mediaFile;
}
try
{
InitializePlayer();
Status = MediaPlayerStatus.Buffering;
var playerItem = GetPlayerItem(nsUrl);
CurrentItem?.RemoveObserver(this, new NSString("status"));
Player.ReplaceCurrentItemWithPlayerItem(playerItem);
CurrentItem.AddObserver(this, new NSString("loadedTimeRanges"),
NSKeyValueObservingOptions.Initial | NSKeyValueObservingOptions.New,
LoadedTimeRangesObservationContext.Handle);
CurrentItem.SeekingWaitsForVideoCompositionRendering = true;
CurrentItem.AddObserver(this, (NSString)"status", NSKeyValueObservingOptions.New |
NSKeyValueObservingOptions.Initial,
StatusObservationContext.Handle);
NSNotificationCenter.DefaultCenter.AddObserver(AVPlayerItem.DidPlayToEndTimeNotification,
notification => MediaFinished?.Invoke(this, new MediaFinishedEventArgs(mediaFile)), CurrentItem);
Player.Play();
}
catch (Exception ex)
{
OnMediaFailed();
Status = MediaPlayerStatus.Stopped;
//unable to start playback log error
Console.WriteLine("Unable to start playback: " + ex);
}
await Task.CompletedTask;
}
public void ReplaceCurrentItem(NSUrl url)
{
if (CurrentItem != null)
{
CurrentItem.RemoveObserver(this, new NSString("status"));
CurrentItem.RemoveObserver(this, new NSString("rate"));
}
streamingItem = AVPlayerItem.FromUrl(url);
streamingItem.AddObserver(this, new NSString("rate"), 0, new IntPtr(0));
streamingItem.AddObserver(this, new NSString("status"), 0, new IntPtr(0));
ReplaceCurrentItemWithPlayerItem(streamingItem);
}