private void SelectPlaylistVideoStream()
{
if (string.IsNullOrEmpty(this.VideoStreamName))
{
return;
}
ISegment segment = this.CurrentSegment;
if (segment != null && segment.AvailableStreams != null)
{
IMediaStream videoStream = segment.AvailableStreams.Where(s => s.Type == StreamType.Video).FirstOrDefault();
if (videoStream == null)
{
return;
}
// get all media tracks that which match the camera name (might be one per bitrate)
IEnumerable <IMediaTrack> tracks =
videoStream.AvailableTracks.Where(
t =>
t.CustomAttributes.Any(kvp => IsCameraAttribute(kvp, this.VideoStreamName)));
if (tracks.Count() > 0)
{
videoStream.SetSelectedTracks(tracks);
}
}
}
public void SelectTracks(string key, string value, long minBitrate, long maxBitrate)
{
if (this.CurrentSegment != null)
{
IMediaStream videoStream = this.CurrentSegment.AvailableStreams.FirstOrDefault(x => x.Type == StreamType.Video);
if (videoStream != null)
{
bool attributeAvailable = false;
IList <IMediaTrack> tracks = new List <IMediaTrack>();
if (key != null && value != null)
{
foreach (IMediaTrack trackInfo in videoStream.AvailableTracks)
{
string keyValue;
trackInfo.CustomAttributes.TryGetValue(key, out keyValue);
if (!string.IsNullOrEmpty(keyValue) && keyValue.ToUpper(CultureInfo.InvariantCulture) == value.ToUpper(CultureInfo.InvariantCulture))
{
attributeAvailable = true;
if (trackInfo.Bitrate >= minBitrate && trackInfo.Bitrate <= maxBitrate)
{
tracks.Add(trackInfo);
}
}
}
}
if (!attributeAvailable)
{
tracks = videoStream.AvailableTracks.Where(x => x.Bitrate >= minBitrate && x.Bitrate <= maxBitrate).ToList();
}
if (tracks.Count > 0)
{
if (this.singleBitrate && tracks.Count > 1)
{
long bitrate = tracks.Max(x => x.Bitrate);
IMediaTrack track = tracks.FirstOrDefault(x => x.Bitrate == bitrate);
tracks.Clear();
tracks.Add(track);
}
videoStream.SetSelectedTracks(tracks);
}
}
}
}