/// <summary>
/// Handler for Close command
/// </summary>
private void DoCloseMedia()
{
lock (_workQueueThreadLock)
{
HLSTrace.WriteLine("DoCloseMedia");
_bwHistory.Close();
_playback.AbortStreamDownloads();
_isWorkQueueThreadStarted = false;
_workQueueThread = null;
_workQueue = null;
_audioBuffer = null;
_videoBuffer = null;
_playlist = null;
_playback = null;
_program = null;
if (_demux != null)
{
_demux.Dispose();
_demux = null;
}
}
}
/// <summary>
/// Called when playlist file has been loaded and parsed. This implementation selects a program,
/// creates a playback wrapper and asynchronously requests first stream to play.
/// </summary>
private void Playlist_PlaylistReady(object sender)
{
// DoCloseMedia may happend before the PlaylistReady event fired.
if (_playlist == null) return;
if (_program == null)
_program = _playlist.Programs[0];
if (_playback == null)
_playback = new HLSPlayback(_program, (IVariantSelector)this);
lock (_playback)
{
if (_openParam.isDownloadAllSubPlayList || null != _playlistOverrideEvent)
{
_playback.OnStartLoadingSubPlayList(_program.Variants.Count);
_playback.AllSubPlayListEvent += OnAllSubPlayListLoaded;
foreach (HLSVariant hlsVariant in _program.Variants)
{
hlsVariant.Playback = _playback;
hlsVariant.Load();
}
}
else
{
OnAllSubPlayListLoaded();
}
}
}
/// <summary>
/// Asynchronous callback for dealing with media file opening
/// </summary>
/// <param name="asyncResult"></param>
private void AsyncStreamCallback(IAsyncResult asyncResult)
{
EncryptedStream stream = null;
if (_playback == null)
_playback = new HLSPlayback(_program, (IVariantSelector)this);
lock (_playback)
{
if (_playback.Program == null)
_playback.Program = _program;
stream = _playback.EndGetNextStream(asyncResult);
}
if (_state != State.Seeking)
{
_workQueue.Enqueue(new WorkQueueElement(WorkQueueElement.Command.NextStream, stream));
}
else
{
UpdateDemux(stream);
_playback.EndPendingWebRequest();
}
}