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using MediaBrowser.Model.MediaInfo ;
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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 ,
bool isDirectStream )
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{
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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 . StreamingTransferMode |
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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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string orgPn = mediaProfile = = null ? null : mediaProfile . OrgPn ;
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if ( string . IsNullOrEmpty ( orgPn ) )
{
orgPn = GetImageOrgPnValue ( container , width , height ) ;
}
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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
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string orgOp = ";DLNA.ORG_OP=" + DlnaMaps . GetOrgOpValue ( runtimeTicks . HasValue , isDirectStream , transcodeSeekInfo ) ;
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// 0 = native, 1 = transcoded
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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 ;
if ( isDirectStream )
{
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flagValue = flagValue | DlnaFlags . ByteBasedSeek ;
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}
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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 ) ;
}
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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 ,
int? audioChannels ,
int? audioBitrate ,
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 ,
bool? isAnamorphic )
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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
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string orgOp = ";DLNA.ORG_OP=" + DlnaMaps . GetOrgOpValue ( runtimeTicks . HasValue , isDirectStream , transcodeSeekInfo ) ;
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// 0 = native, 1 = transcoded
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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 ;
if ( isDirectStream )
{
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flagValue = flagValue | DlnaFlags . ByteBasedSeek ;
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}
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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 ,
audioBitrate ,
audioChannels ,
width ,
height ,
bitDepth ,
videoBitrate ,
videoProfile ,
videoLevel ,
videoFramerate ,
packetLength ,
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timestamp ,
isAnamorphic ) ;
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List < string > orgPnValues = new List < string > ( ) ;
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if ( mediaProfile ! = null & & ! string . IsNullOrEmpty ( mediaProfile . OrgPn ) )
{
orgPnValues . Add ( mediaProfile . OrgPn ) ;
}
else
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{
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foreach ( string s in GetVideoOrgPnValue ( container , videoCodec , audioCodec , width , height , timestamp ) )
{
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orgPnValues . Add ( s ) ;
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break ;
}
}
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List < string > contentFeatureList = new List < string > ( ) ;
foreach ( string orgPn in orgPnValues )
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{
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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 )
{
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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 )
{
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MediaFormatProfile ? format = new MediaFormatProfileResolver ( )
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. ResolveAudioFormat ( container ,
audioBitrate ,
audioSampleRate ,
audioChannels ) ;
return format . HasValue ? format . Value . ToString ( ) : null ;
}
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private List < string > GetVideoOrgPnValue ( string container , string videoCodec , string audioCodec , int? width , int? height , TransportStreamTimestamp timestamp )
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{
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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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}
}
}