private void AddAudioResource(XmlElement container, Audio audio, string deviceId, Filter filter)
{
var res = container.OwnerDocument.CreateElement(string.Empty, "res", NS_DIDL);
var sources = _dtoService.GetMediaSources(audio);
var 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 = sources.First(i => string.Equals(i.Id, streamInfo.MediaSourceId));
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 formatProfile = new MediaFormatProfileResolver().ResolveAudioFormat(streamInfo.Container, targetAudioBitrate, targetSampleRate, targetChannels);
var filename = url.Substring(0, url.IndexOf('?'));
var orgOpValue = DlnaMaps.GetOrgOpValue(mediaSource.RunTimeTicks.HasValue, streamInfo.IsDirectStream, streamInfo.TranscodeSeekInfo);
var orgCi = streamInfo.IsDirectStream ? ";DLNA.ORG_CI=0" : ";DLNA.ORG_CI=1";
res.SetAttribute("protocolInfo", String.Format(
"http-get:*:{0}:DLNA.ORG_PN={1};DLNA.ORG_OP={2};DLNA.ORG_CI={3};DLNA.ORG_FLAGS={4}",
MimeTypes.GetMimeType(filename),
formatProfile,
orgOpValue,
orgCi,
DlnaMaps.DefaultStreaming
));
container.AppendChild(res);
}
private void AddVideoResource(XmlElement container, Video video, string deviceId, Filter filter)
{
var res = container.OwnerDocument.CreateElement(string.Empty, "res", NS_DIDL);
var sources = _dtoService.GetMediaSources(video);
int? maxBitrateSetting = null;
var streamInfo = new StreamBuilder().BuildVideoItem(new VideoOptions
{
ItemId = video.Id.ToString("N"),
MediaSources = sources,
Profile = _profile,
DeviceId = deviceId,
MaxBitrate = maxBitrateSetting
});
var url = streamInfo.ToDlnaUrl(_serverAddress);
res.InnerText = url;
var mediaSource = sources.First(i => string.Equals(i.Id, streamInfo.MediaSourceId));
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 videoStream = mediaSource.MediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Video && !string.Equals(i.Codec, "mjpeg", StringComparison.OrdinalIgnoreCase));
var targetAudioBitrate = streamInfo.TargetAudioBitrate;
var targetSampleRate = streamInfo.TargetAudioSampleRate;
var targetChannels = streamInfo.TargetAudioChannels;
var targetWidth = streamInfo.MaxWidth ?? (videoStream == null ? null : videoStream.Width);
var targetHeight = streamInfo.MaxHeight ?? (videoStream == null ? null : videoStream.Height);
var targetVideoCodec = streamInfo.IsDirectStream
? (videoStream == null ? null : videoStream.Codec)
: streamInfo.VideoCodec;
var targetAudioCodec = streamInfo.TargetAudioCodec;
var targetBitrate = maxBitrateSetting ?? mediaSource.Bitrate;
if (targetChannels.HasValue)
{
res.SetAttribute("nrAudioChannels", targetChannels.Value.ToString(_usCulture));
}
if (filter.Contains("res@resolution"))
{
if (targetWidth.HasValue && targetHeight.HasValue)
{
res.SetAttribute("resolution", string.Format("{0}x{1}", targetWidth.Value, targetHeight.Value));
}
}
if (targetSampleRate.HasValue)
{
res.SetAttribute("sampleFrequency", targetSampleRate.Value.ToString(_usCulture));
}
if (targetAudioBitrate.HasValue)
{
res.SetAttribute("bitrate", targetAudioBitrate.Value.ToString(_usCulture));
}
var formatProfile = new MediaFormatProfileResolver().ResolveVideoFormat(streamInfo.Container,
targetVideoCodec,
targetAudioCodec,
targetWidth,
targetHeight,
targetBitrate,
TransportStreamTimestamp.NONE);
var filename = url.Substring(0, url.IndexOf('?'));
var orgOpValue = DlnaMaps.GetOrgOpValue(mediaSource.RunTimeTicks.HasValue, streamInfo.IsDirectStream, streamInfo.TranscodeSeekInfo);
var orgCi = streamInfo.IsDirectStream ? ";DLNA.ORG_CI=0" : ";DLNA.ORG_CI=1";
res.SetAttribute("protocolInfo", String.Format(
"http-get:*:{0}:DLNA.ORG_PN={1};DLNA.ORG_OP={2};DLNA.ORG_CI={3};DLNA.ORG_FLAGS={4}",
MimeTypes.GetMimeType(filename),
formatProfile,
orgOpValue,
orgCi,
DlnaMaps.DefaultStreaming
));
container.AppendChild(res);
}
