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.AppendChild(container.OwnerDocument.CreateCDataSection(url));
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 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 void AddAudioResource(DlnaOptions options, XmlWriter writer, IHasMediaSources audio, string deviceId, Filter filter, StreamInfo streamInfo = null)
{
writer.WriteStartElement(string.Empty, "res", NS_DIDL);
if (streamInfo == null)
{
var sources = _mediaSourceManager.GetStaticMediaSources(audio, true, _user);
streamInfo = new StreamBuilder(_mediaEncoder, GetStreamBuilderLogger(options)).BuildAudioItem(new AudioOptions
{
ItemId = GetClientId(audio),
MediaSources = sources.ToArray(sources.Count),
Profile = _profile,
DeviceId = deviceId
});
}
var url = streamInfo.ToDlnaUrl(_serverAddress, _accessToken);
var mediaSource = streamInfo.MediaSource;
if (mediaSource.RunTimeTicks.HasValue)
{
writer.WriteAttributeString("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)
{
writer.WriteAttributeString("size", size.Value.ToString(_usCulture));
}
}
}
var targetAudioBitrate = streamInfo.TargetAudioBitrate;
var targetSampleRate = streamInfo.TargetAudioSampleRate;
var targetChannels = streamInfo.TargetAudioChannels;
var targetAudioBitDepth = streamInfo.TargetAudioBitDepth;
if (targetChannels.HasValue)
{
writer.WriteAttributeString("nrAudioChannels", targetChannels.Value.ToString(_usCulture));
}
if (targetSampleRate.HasValue)
{
writer.WriteAttributeString("sampleFrequency", targetSampleRate.Value.ToString(_usCulture));
}
if (targetAudioBitrate.HasValue)
{
writer.WriteAttributeString("bitrate", targetAudioBitrate.Value.ToString(_usCulture));
}
var mediaProfile = _profile.GetAudioMediaProfile(streamInfo.Container,
streamInfo.TargetAudioCodec,
targetChannels,
targetAudioBitrate,
targetSampleRate,
targetAudioBitDepth);
var filename = url.Substring(0, url.IndexOf('?'));
var mimeType = mediaProfile == null || string.IsNullOrEmpty(mediaProfile.MimeType)
? GetMimeType(filename)
: mediaProfile.MimeType;
var contentFeatures = new ContentFeatureBuilder(_profile).BuildAudioHeader(streamInfo.Container,
streamInfo.TargetAudioCodec,
targetAudioBitrate,
targetSampleRate,
targetChannels,
targetAudioBitDepth,
streamInfo.IsDirectStream,
streamInfo.RunTimeTicks,
streamInfo.TranscodeSeekInfo);
writer.WriteAttributeString("protocolInfo", String.Format(
"http-get:*:{0}:{1}",
mimeType,
contentFeatures
));
writer.WriteString(url);
writer.WriteFullEndElement();
}
/// <summary>
/// Builds an audio header.
/// </summary>
/// <param name="profile">A <see cref="DeviceProfile"/>.</param>
/// <param name="container">The container.</param>
/// <param name="audioCodec">The audio codec.</param>
/// <param name="audioBitrate">Optional. The audio bitrate.</param>
/// <param name="audioSampleRate">Optional. The sample audio rate.</param>
/// <param name="audioChannels">Optional. The number of audio channels.</param>
/// <param name="audioBitDepth">Optional. The audio bit depth.</param>
/// <param name="isDirectStream">True if being accessed by audio stream.</param>
/// <param name="runtimeTicks">Optional. The runtime ticks.</param>
/// <param name="transcodeSeekInfo">An instance of <see cref="TranscodeSeekInfo"/>.</param>
/// <returns>A string representation.</returns>
public static string BuildAudioHeader(
DeviceProfile profile,
string container,
string?audioCodec,
int?audioBitrate,
int?audioSampleRate,
int?audioChannels,
int?audioBitDepth,
bool isDirectStream,
long?runtimeTicks,
TranscodeSeekInfo transcodeSeekInfo)
{
if (profile == null)
{
throw new ArgumentNullException(nameof(profile));
}
// first bit means Time based seek supported, second byte range seek supported (not sure about the order now), so 01 = only byte seek, 10 = time based, 11 = both, 00 = none
string orgOp = ";DLNA.ORG_OP=" + DlnaMaps.GetOrgOpValue(runtimeTicks > 0, isDirectStream, transcodeSeekInfo);
// 0 = native, 1 = transcoded
string orgCi = isDirectStream ? ";DLNA.ORG_CI=0" : ";DLNA.ORG_CI=1";
const DlnaFlags FlagValue = DlnaFlags.StreamingTransferMode |
DlnaFlags.BackgroundTransferMode |
DlnaFlags.InteractiveTransferMode |
DlnaFlags.DlnaV15;
// if (isDirectStream)
// {
// flagValue = flagValue | DlnaFlags.ByteBasedSeek;
// }
// else if (runtimeTicks.HasValue)
// {
// flagValue = flagValue | DlnaFlags.TimeBasedSeek;
// }
string dlnaflags = string.Format(
CultureInfo.InvariantCulture,
";DLNA.ORG_FLAGS={0}",
DlnaMaps.FlagsToString(FlagValue));
var mediaProfile = profile.GetAudioMediaProfile(
container,
audioCodec,
audioChannels,
audioBitrate,
audioSampleRate,
audioBitDepth);
var orgPn = mediaProfile?.OrgPn;
if (string.IsNullOrEmpty(orgPn))
{
orgPn = GetAudioOrgPnValue(container, audioBitrate, audioSampleRate, audioChannels);
}
if (string.IsNullOrEmpty(orgPn))
{
return(orgOp.TrimStart(';') + orgCi + dlnaflags);
}
return("DLNA.ORG_PN=" + orgPn + orgOp + orgCi + dlnaflags);
}
