private bool busy = false; // to synchronise the non-thread-safe async WebClient...
#endregion Fields
#region Constructors
/// <summary>
/// Create a new empty demuxer-buffer
/// </summary>
public mpegts_demux_buffer(PlaylistMgr Playlist)
{
demux = new MpegTS_Demux();
VideoFrames = new Queue<GenericMediaFrame>();
AudioFrames = new Queue<GenericMediaFrame>();
playlist = Playlist;
wc = new WebClient();
wc.OpenReadCompleted += new OpenReadCompletedEventHandler(wc_OpenReadCompleted);
}
/// <summary>
/// Start a new streaming source with a prepared playlist.
/// This should be called in response to the Playlist's 'PlaylistReady' event.
/// </summary>
public HCS_MediaStreamingSource(PlaylistMgr Playlist)
{
playlist = Playlist;
DemuxBuffer = new mpegts_demux_buffer(Playlist);
DemuxBuffer.AudioSamplesAvailable += DemuxBuffer_AudioSamplesAvailable;
DemuxBuffer.VideoSamplesAvailable += DemuxBuffer_VideoSamplesAvailable;
StartTimer();
}
public void UpdatePlayhead(PlaylistMgr playlist, TimeSpan NewPosition)
{
if (_suspended) return;
_playlist = playlist;
//int chunk = (int)Math.Floor(NewPosition.TotalSeconds / ChunkDuration.TotalSeconds);
int chunk = _playlist.GetChunkForTime(NewPosition);
Playhead = NewPosition;
chunk = Math.Min(AvailableChunkCount - 1, Math.Max(0, chunk));
_lastChunk = chunk;
MoveThumbToChunk(_lastChunk);
}
public void UpdatePosition(PlaylistMgr Playlist, TimeSpan CurrentPosition, MediaElementState State)
{
if (_isUpdating) return;
_isUpdating = true;
int AvailableChunkCount = Playlist.AvailableChunkCount;
_lastTotalPlayLength = Playlist.PlaylistDuration;
ChunkSlider.AvailableChunkCount = AvailableChunkCount;
ChunkSlider.ChunkDuration = Playlist.ChunkDuration;
if (CurrentPosition == TimeSpan.Zero) {
TimeTextBox.Text = "Loading";
} else {
TimeTextBox.Text = State.ToString() + " " + FormatTimeSpan(CurrentPosition);
ChunkSlider.UpdatePlayhead(Playlist, CurrentPosition);
}
_isUpdating = false;
}
/// <summary>
/// Prepare and start a new playlist, hooked up to the ready event.
/// </summary>
private void SetPlaylist(string value)
{
Playlist = new PlaylistMgr(value);
Playlist.PlaylistReady += Playlist_PlaylistReady;
Playlist.StartReading();
}
/// <summary>
/// Prepare and start a new playlist, hooked up to the ready event.
/// </summary>
private void SetPlaylist(string value)
{
Playlist = new PlaylistMgr(value /*"http://www.arqiva.twofourstaging.net/hls/index.m3u8.gz"*/);
Playlist.PlaylistReady += new EventHandler(Playlist_PlaylistReady);
Playlist.StartReading();
}