public PlaybackManifestGenerator(
ISequenceRegistry sequenceRegistry,
IConfigurationService configurationSettings,
IUserSettingsService userSettingsService)
{
this.dispatcher = Application.Current.RootVisual.Dispatcher;
this.sequenceRegistry = sequenceRegistry;
this.userSettingsService = userSettingsService;
this.streamsByUri = new Dictionary <Uri, Stream>();
this.pendingDownloads = new List <Uri>();
this.downloaderManager = new RCE.Infrastructure.Services.DownloaderManager();
this.downloaderManager.DownloadCompleted += this.OnManifestDownloadCompleted;
this.treatGapsAsError = configurationSettings.GetTreatGapAsError();
if (!this.treatGapsAsError)
{
this.GetGapAttributesFromUserSettings(configurationSettings);
}
}
public void GetMetadata(object target)
{
Uri smoothStreamingManifestUri = target as Uri;
if (smoothStreamingManifestUri == null)
{
this.OnGetManifestCompleted(null);
}
else
{
var manager = new RCE.Infrastructure.Services.DownloaderManager();
manager.DownloadCompleted +=
(s, e) =>
{
Stream manifestStream = e.Stream;
SmoothStreamingMetadata metadata = new SmoothStreamingMetadata();
if (manifestStream != null)
{
SmoothStreamingManifestParser parser = new SmoothStreamingManifestParser(manifestStream);
IEnumerable <StreamInfo> audioStreams = parser.ManifestInfo.Streams.Where(x => x.StreamType.Equals("audio", StringComparison.OrdinalIgnoreCase));
StreamInfo videoStreamInfo = parser.ManifestInfo.Streams.SingleOrDefault(x => x.StreamType.Equals("video", StringComparison.OrdinalIgnoreCase));
if (videoStreamInfo != null)
{
QualityLevel firstQualityLevel = videoStreamInfo.QualityLevels.FirstOrDefault();
string bitrate;
string cameraAngle;
if (firstQualityLevel != null && firstQualityLevel.Attributes.TryGetValue("Bitrate", out bitrate) && firstQualityLevel.CustomAttributes.TryGetValue("cameraAngle", out cameraAngle))
{
List <string> cameraAngles = new List <string>();
foreach (QualityLevel qualityLevel in videoStreamInfo.QualityLevels)
{
if (qualityLevel.Attributes["Bitrate"] == bitrate && qualityLevel.CustomAttributes.TryGetValue("cameraAngle", out cameraAngle))
{
cameraAngles.Add(cameraAngle);
}
}
// order by string comparison
cameraAngles.Sort();
if (cameraAngles.Count() > 0)
{
metadata.AddMetadataField(new MetadataField("VideoStreams", cameraAngles));
}
}
}
metadata.AddMetadataField(new MetadataField("Duration", parser.ManifestInfo.ManifestDuration));
metadata.AddMetadataField(new MetadataField("AudioStreams", audioStreams));
}
this.OnGetManifestCompleted(metadata);
};
manager.DownloadManifestAsync(smoothStreamingManifestUri, false, null);
}
}
