private void AddAudioResource(XmlElement container, Audio audio, string deviceId, Filter filter, StreamInfo streamInfo = null)
{
var res = container.OwnerDocument.CreateElement(string.Empty, "res", NS_DIDL);
if (streamInfo == null)
{
var sources = _user == null ? audio.GetMediaSources(true).ToList() : audio.GetMediaSources(true, _user).ToList();
streamInfo = new StreamBuilder().BuildAudioItem(new AudioOptions
{
ItemId = audio.Id.ToString("N"),
MediaSources = sources,
Profile = _profile,
DeviceId = deviceId
});
}
var url = streamInfo.ToDlnaUrl(_serverAddress);
res.InnerText = url;
var mediaSource = streamInfo.MediaSource;
if (mediaSource.RunTimeTicks.HasValue)
{
res.SetAttribute("duration", TimeSpan.FromTicks(mediaSource.RunTimeTicks.Value).ToString("c", _usCulture));
}
if (filter.Contains("res@size"))
{
if (streamInfo.IsDirectStream || streamInfo.EstimateContentLength)
{
var size = streamInfo.TargetSize;
if (size.HasValue)
{
res.SetAttribute("size", size.Value.ToString(_usCulture));
}
}
}
var targetAudioBitrate = streamInfo.TargetAudioBitrate;
var targetSampleRate = streamInfo.TargetAudioSampleRate;
var targetChannels = streamInfo.TargetAudioChannels;
if (targetChannels.HasValue)
{
res.SetAttribute("nrAudioChannels", targetChannels.Value.ToString(_usCulture));
}
if (targetSampleRate.HasValue)
{
res.SetAttribute("sampleFrequency", targetSampleRate.Value.ToString(_usCulture));
}
if (targetAudioBitrate.HasValue)
{
res.SetAttribute("bitrate", targetAudioBitrate.Value.ToString(_usCulture));
}
var mediaProfile = _profile.GetAudioMediaProfile(streamInfo.Container,
streamInfo.AudioCodec,
targetChannels,
targetAudioBitrate);
var filename = url.Substring(0, url.IndexOf('?'));
var mimeType = mediaProfile == null || string.IsNullOrEmpty(mediaProfile.MimeType)
? MimeTypes.GetMimeType(filename)
: mediaProfile.MimeType;
var contentFeatures = new ContentFeatureBuilder(_profile).BuildAudioHeader(streamInfo.Container,
streamInfo.TargetAudioCodec,
targetAudioBitrate,
targetSampleRate,
targetChannels,
streamInfo.IsDirectStream,
streamInfo.RunTimeTicks,
streamInfo.TranscodeSeekInfo);
res.SetAttribute("protocolInfo", String.Format(
"http-get:*:{0}:{1}",
mimeType,
contentFeatures
));
container.AppendChild(res);
}
private async Task Sync(SyncJobItem jobItem, Audio item, DeviceProfile profile, CancellationToken cancellationToken)
{
var options = new AudioOptions
{
Context = EncodingContext.Static,
ItemId = item.Id.ToString("N"),
DeviceId = jobItem.TargetId,
Profile = profile,
MediaSources = item.GetMediaSources(false).ToList()
};
var streamInfo = new StreamBuilder().BuildAudioItem(options);
var mediaSource = streamInfo.MediaSource;
jobItem.MediaSourceId = streamInfo.MediaSourceId;
if (streamInfo.PlayMethod == PlayMethod.Transcode)
{
jobItem.Status = SyncJobItemStatus.Converting;
await _syncRepo.Update(jobItem).ConfigureAwait(false);
jobItem.OutputPath = await _mediaEncoder.EncodeAudio(new EncodingJobOptions(streamInfo, profile), new Progress<double>(), cancellationToken);
}
else
{
if (mediaSource.Protocol == MediaProtocol.File)
{
jobItem.OutputPath = mediaSource.Path;
}
else if (mediaSource.Protocol == MediaProtocol.Http)
{
jobItem.OutputPath = await DownloadFile(jobItem, mediaSource, cancellationToken).ConfigureAwait(false);
}
else
{
throw new InvalidOperationException(string.Format("Cannot direct stream {0} protocol", mediaSource.Protocol));
}
}
jobItem.Progress = 50;
jobItem.Status = SyncJobItemStatus.Transferring;
await _syncRepo.Update(jobItem).ConfigureAwait(false);
}
private async Task<string> Sync(SyncJobItem jobItem, Audio item, DeviceProfile profile, CancellationToken cancellationToken)
{
var options = new AudioOptions
{
Context = EncodingContext.Streaming,
ItemId = item.Id.ToString("N"),
DeviceId = jobItem.TargetId,
Profile = profile,
MediaSources = item.GetMediaSources(false).ToList()
};
var streamInfo = new StreamBuilder().BuildAudioItem(options);
var mediaSource = streamInfo.MediaSource;
if (streamInfo.PlayMethod != PlayMethod.Transcode)
{
if (mediaSource.Protocol == MediaProtocol.File)
{
return mediaSource.Path;
}
if (mediaSource.Protocol == MediaProtocol.Http)
{
return await DownloadFile(jobItem, mediaSource, cancellationToken).ConfigureAwait(false);
}
throw new InvalidOperationException(string.Format("Cannot direct stream {0} protocol", mediaSource.Protocol));
}
// TODO: Transcode
return mediaSource.Path;
}
