public void Initialise()
{
DlnaMediaItem dlnaItem = Client.GetLiveDlnaItem(ChannelId);
var url = DlnaResourceAccessUtils.GetBaseResourceURL() + DlnaResourceAccessUtils.GetResourceUrl(Key + (dlnaItem.IsSegmented ? "/playlist.m3u8" : ""), Client.ClientId);
BitRate = null;
SampleFrequency = null;
NumberOfAudioChannels = null;
Size = null;
BitsPerSample = null;
ColorDepth = null;
Duration = null;
var dlnaProtocolInfo = DlnaProtocolInfoFactory.GetProfileInfo(dlnaItem, Client.Profile.ProtocolInfo);
if (dlnaProtocolInfo != null)
{
ProtocolInfo = dlnaProtocolInfo.ToString();
}
if (dlnaItem.Metadata == null)
{
throw new DlnaAspectMissingException("No DLNA metadata found for MediaItem " + dlnaItem.MediaItemId);
}
if (dlnaItem.IsImage == false)
{
if (dlnaItem.Metadata.Bitrate > 0)
{
BitRate = Convert.ToUInt32((double)dlnaItem.Metadata.Bitrate / 8.0);
}
if (dlnaItem.Audio[0].Frequency > 0)
{
SampleFrequency = Convert.ToUInt32(dlnaItem.Audio[0].Frequency);
}
if (dlnaItem.Audio[0].Channels > 0)
{
NumberOfAudioChannels = Convert.ToUInt32(dlnaItem.Audio[0].Channels);
}
}
if (dlnaItem.IsVideo == true)
{
Resolution = dlnaItem.Video.Width + "x" + dlnaItem.Video.Height;
}
else if (dlnaItem.IsImage == true)
{
Resolution = dlnaItem.Image.Width + "x" + dlnaItem.Image.Height;
}
Uri = url;
}
/// <summary>
/// Returns a DLNA media item based on the given client and request
/// </summary>
/// <returns>Returns the requested DLNA media item otherwise null</returns>
internal static StreamItem GetNewStreamItem(EndPointSettings client, Uri uri)
{
if (STREAM_ITEMS.TryGetValue(client.ClientId, out var currentStreamItem))
{
return(currentStreamItem);
}
currentStreamItem = new StreamItem(uri.Host);
Guid mediaItemGuid = Guid.Empty;
DlnaMediaItem dlnaItem = null;
int channel = 0;
if (DlnaResourceAccessUtils.ParseMediaItem(uri, out mediaItemGuid))
{
if (mediaItemGuid == Guid.Empty)
{
throw new InvalidOperationException(string.Format("Illegal request syntax. Correct syntax is '{0}'", DlnaResourceAccessUtils.SYNTAX));
}
if (!client.DlnaMediaItems.TryGetValue(mediaItemGuid, out dlnaItem))
{
// Attempt to grab the media item from the database.
MediaItem item = MediaLibraryHelper.GetMediaItem(mediaItemGuid);
if (item == null)
{
throw new Exception(string.Format("Media item '{0}' not found.", mediaItemGuid));
}
dlnaItem = client.GetDlnaItem(item);
}
if (dlnaItem == null)
{
throw new Exception(string.Format("DLNA media item '{0}' not found.", mediaItemGuid));
}
}
else if (DlnaResourceAccessUtils.ParseTVChannel(uri, out channel))
{
dlnaItem = client.GetLiveDlnaItem(channel);
if (dlnaItem == null)
{
throw new Exception(string.Format("DLNA TV channel '{0}' was never tuned.", channel));
}
}
else if (DlnaResourceAccessUtils.ParseRadioChannel(uri, out channel))
{
dlnaItem = client.GetLiveDlnaItem(channel);
if (dlnaItem == null)
{
throw new Exception(string.Format("DLNA radio channel '{0}' was never tuned.", channel));
}
}
currentStreamItem.RequestedMediaItem = mediaItemGuid;
currentStreamItem.TranscoderObject = dlnaItem;
currentStreamItem.Title = dlnaItem?.MediaItemTitle;
currentStreamItem.LiveChannelId = channel > 0 ? channel : 0;
return(currentStreamItem);
}
