jellyfin/MediaBrowser.Model/Dlna/ContentFeatureBuilder.cs

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C#
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using MediaBrowser.Model.MediaInfo;
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using System;
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using System.Collections.Generic;
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namespace MediaBrowser.Model.Dlna
{
public class ContentFeatureBuilder
{
private readonly DeviceProfile _profile;
public ContentFeatureBuilder(DeviceProfile profile)
{
_profile = profile;
}
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public string BuildImageHeader(string container,
int? width,
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int? height,
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bool isDirectStream,
string orgPn = null)
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{
string orgOp = ";DLNA.ORG_OP=" + DlnaMaps.GetImageOrgOpValue();
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// 0 = native, 1 = transcoded
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var orgCi = isDirectStream ? ";DLNA.ORG_CI=0" : ";DLNA.ORG_CI=1";
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DlnaFlags flagValue = DlnaFlags.BackgroundTransferMode |
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DlnaFlags.InteractiveTransferMode |
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DlnaFlags.DlnaV15;
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string dlnaflags = string.Format(";DLNA.ORG_FLAGS={0}",
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DlnaMaps.FlagsToString(flagValue));
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ResponseProfile mediaProfile = _profile.GetImageMediaProfile(container,
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width,
height);
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if (string.IsNullOrEmpty(orgPn))
{
orgPn = mediaProfile == null ? null : mediaProfile.OrgPn;
}
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if (string.IsNullOrEmpty(orgPn))
{
orgPn = GetImageOrgPnValue(container, width, height);
}
string contentFeatures = string.IsNullOrEmpty(orgPn) ? string.Empty : "DLNA.ORG_PN=" + orgPn;
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return (contentFeatures + orgOp + orgCi + dlnaflags).Trim(';');
}
public string BuildAudioHeader(string container,
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string audioCodec,
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int? audioBitrate,
int? audioSampleRate,
int? audioChannels,
bool isDirectStream,
long? runtimeTicks,
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TranscodeSeekInfo transcodeSeekInfo)
{
// 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.HasValue, isDirectStream, transcodeSeekInfo);
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// 0 = native, 1 = transcoded
string orgCi = isDirectStream ? ";DLNA.ORG_CI=0" : ";DLNA.ORG_CI=1";
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DlnaFlags flagValue = DlnaFlags.StreamingTransferMode |
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DlnaFlags.BackgroundTransferMode |
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DlnaFlags.InteractiveTransferMode |
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DlnaFlags.DlnaV15;
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//if (isDirectStream)
//{
// flagValue = flagValue | DlnaFlags.ByteBasedSeek;
//}
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//else if (runtimeTicks.HasValue)
//{
// flagValue = flagValue | DlnaFlags.TimeBasedSeek;
//}
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string dlnaflags = string.Format(";DLNA.ORG_FLAGS={0}",
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DlnaMaps.FlagsToString(flagValue));
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ResponseProfile mediaProfile = _profile.GetAudioMediaProfile(container,
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audioCodec,
audioChannels,
audioBitrate);
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string orgPn = mediaProfile == null ? null : mediaProfile.OrgPn;
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if (string.IsNullOrEmpty(orgPn))
{
orgPn = GetAudioOrgPnValue(container, audioBitrate, audioSampleRate, audioChannels);
}
string contentFeatures = string.IsNullOrEmpty(orgPn) ? string.Empty : "DLNA.ORG_PN=" + orgPn;
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return (contentFeatures + orgOp + orgCi + dlnaflags).Trim(';');
}
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public List<string> BuildVideoHeader(string container,
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string videoCodec,
string audioCodec,
int? width,
int? height,
int? bitDepth,
int? videoBitrate,
TransportStreamTimestamp timestamp,
bool isDirectStream,
long? runtimeTicks,
string videoProfile,
double? videoLevel,
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float? videoFramerate,
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int? packetLength,
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TranscodeSeekInfo transcodeSeekInfo,
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bool? isAnamorphic,
int? refFrames,
int? numVideoStreams,
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int? numAudioStreams,
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string videoCodecTag,
bool? isAvc)
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{
// 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.HasValue, isDirectStream, transcodeSeekInfo);
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// 0 = native, 1 = transcoded
string orgCi = isDirectStream ? ";DLNA.ORG_CI=0" : ";DLNA.ORG_CI=1";
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DlnaFlags flagValue = DlnaFlags.StreamingTransferMode |
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DlnaFlags.BackgroundTransferMode |
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DlnaFlags.InteractiveTransferMode |
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DlnaFlags.DlnaV15;
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//if (isDirectStream)
//{
// flagValue = flagValue | DlnaFlags.ByteBasedSeek;
//}
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//else if (runtimeTicks.HasValue)
//{
// flagValue = flagValue | DlnaFlags.TimeBasedSeek;
//}
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string dlnaflags = string.Format(";DLNA.ORG_FLAGS={0}",
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DlnaMaps.FlagsToString(flagValue));
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ResponseProfile mediaProfile = _profile.GetVideoMediaProfile(container,
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audioCodec,
videoCodec,
width,
height,
bitDepth,
videoBitrate,
videoProfile,
videoLevel,
videoFramerate,
packetLength,
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timestamp,
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isAnamorphic,
refFrames,
numVideoStreams,
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numAudioStreams,
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videoCodecTag,
isAvc);
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List<string> orgPnValues = new List<string>();
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if (mediaProfile != null && !string.IsNullOrEmpty(mediaProfile.OrgPn))
{
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orgPnValues.AddRange(mediaProfile.OrgPn.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries));
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}
else
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{
foreach (string s in GetVideoOrgPnValue(container, videoCodec, audioCodec, width, height, timestamp))
{
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orgPnValues.Add(s);
break;
}
}
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List<string> contentFeatureList = new List<string>();
foreach (string orgPn in orgPnValues)
{
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string contentFeatures = string.IsNullOrEmpty(orgPn) ? string.Empty : "DLNA.ORG_PN=" + orgPn;
var value = (contentFeatures + orgOp + orgCi + dlnaflags).Trim(';');
contentFeatureList.Add(value);
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}
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if (orgPnValues.Count == 0)
{
string contentFeatures = string.Empty;
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var value = (contentFeatures + orgOp + orgCi + dlnaflags).Trim(';');
contentFeatureList.Add(value);
}
return contentFeatureList;
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}
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private string GetImageOrgPnValue(string container, int? width, int? height)
{
MediaFormatProfile? format = new MediaFormatProfileResolver()
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.ResolveImageFormat(container,
width,
height);
return format.HasValue ? format.Value.ToString() : null;
}
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private string GetAudioOrgPnValue(string container, int? audioBitrate, int? audioSampleRate, int? audioChannels)
{
MediaFormatProfile? format = new MediaFormatProfileResolver()
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.ResolveAudioFormat(container,
audioBitrate,
audioSampleRate,
audioChannels);
return format.HasValue ? format.Value.ToString() : null;
}
private List<string> GetVideoOrgPnValue(string container, string videoCodec, string audioCodec, int? width, int? height, TransportStreamTimestamp timestamp)
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{
List<string> list = new List<string>();
foreach (MediaFormatProfile i in new MediaFormatProfileResolver().ResolveVideoFormat(container, videoCodec, audioCodec, width, height, timestamp))
list.Add(i.ToString());
return list;
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}
}
}