1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
#pragma warning disable CS1591
#pragma warning disable SA1600
using System;
using System.Collections.Generic;
using System.Globalization;
using MediaBrowser.Model.MediaInfo;
namespace MediaBrowser.Model.Dlna
{
public class ContentFeatureBuilder
{
private readonly DeviceProfile _profile;
public ContentFeatureBuilder(DeviceProfile profile)
{
_profile = profile;
}
public string BuildImageHeader(
string container,
int? width,
int? height,
bool isDirectStream,
string orgPn = null)
{
string orgOp = ";DLNA.ORG_OP=" + DlnaMaps.GetImageOrgOpValue();
// 0 = native, 1 = transcoded
var orgCi = isDirectStream ? ";DLNA.ORG_CI=0" : ";DLNA.ORG_CI=1";
var flagValue = DlnaFlags.BackgroundTransferMode |
DlnaFlags.InteractiveTransferMode |
DlnaFlags.DlnaV15;
string dlnaflags = string.Format(";DLNA.ORG_FLAGS={0}", DlnaMaps.FlagsToString(flagValue));
ResponseProfile mediaProfile = _profile.GetImageMediaProfile(container,
width,
height);
if (string.IsNullOrEmpty(orgPn))
{
orgPn = mediaProfile?.OrgPn;
}
if (string.IsNullOrEmpty(orgPn))
{
orgPn = GetImageOrgPnValue(container, width, height);
}
string contentFeatures = string.IsNullOrEmpty(orgPn) ? string.Empty : "DLNA.ORG_PN=" + orgPn;
return (contentFeatures + orgOp + orgCi + dlnaflags).Trim(';');
}
public string BuildAudioHeader(
string container,
string audioCodec,
int? audioBitrate,
int? audioSampleRate,
int? audioChannels,
int? audioBitDepth,
bool isDirectStream,
long? runtimeTicks,
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 > 0, isDirectStream, transcodeSeekInfo);
// 0 = native, 1 = transcoded
string orgCi = isDirectStream ? ";DLNA.ORG_CI=0" : ";DLNA.ORG_CI=1";
var 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));
ResponseProfile mediaProfile = _profile.GetAudioMediaProfile(
container,
audioCodec,
audioChannels,
audioBitrate,
audioSampleRate,
audioBitDepth);
string orgPn = mediaProfile?.OrgPn;
if (string.IsNullOrEmpty(orgPn))
{
orgPn = GetAudioOrgPnValue(container, audioBitrate, audioSampleRate, audioChannels);
}
string contentFeatures = string.IsNullOrEmpty(orgPn) ? string.Empty : "DLNA.ORG_PN=" + orgPn;
return (contentFeatures + orgOp + orgCi + dlnaflags).Trim(';');
}
public List<string> BuildVideoHeader(
string container,
string videoCodec,
string audioCodec,
int? width,
int? height,
int? bitDepth,
int? videoBitrate,
TransportStreamTimestamp timestamp,
bool isDirectStream,
long? runtimeTicks,
string videoProfile,
double? videoLevel,
float? videoFramerate,
int? packetLength,
TranscodeSeekInfo transcodeSeekInfo,
bool? isAnamorphic,
bool? isInterlaced,
int? refFrames,
int? numVideoStreams,
int? numAudioStreams,
string videoCodecTag,
bool? isAvc)
{
// 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";
var 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(";DLNA.ORG_FLAGS={0}",
DlnaMaps.FlagsToString(flagValue));
ResponseProfile mediaProfile = _profile.GetVideoMediaProfile(container,
audioCodec,
videoCodec,
width,
height,
bitDepth,
videoBitrate,
videoProfile,
videoLevel,
videoFramerate,
packetLength,
timestamp,
isAnamorphic,
isInterlaced,
refFrames,
numVideoStreams,
numAudioStreams,
videoCodecTag,
isAvc);
var orgPnValues = new List<string>();
if (mediaProfile != null && !string.IsNullOrEmpty(mediaProfile.OrgPn))
{
orgPnValues.AddRange(mediaProfile.OrgPn.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries));
}
else
{
foreach (string s in GetVideoOrgPnValue(container, videoCodec, audioCodec, width, height, timestamp))
{
orgPnValues.Add(s);
break;
}
}
var contentFeatureList = new List<string>();
foreach (string orgPn in orgPnValues)
{
string contentFeatures = string.IsNullOrEmpty(orgPn) ? string.Empty : "DLNA.ORG_PN=" + orgPn;
var value = (contentFeatures + orgOp + orgCi + dlnaflags).Trim(';');
contentFeatureList.Add(value);
}
if (orgPnValues.Count == 0)
{
string contentFeatures = string.Empty;
var value = (contentFeatures + orgOp + orgCi + dlnaflags).Trim(';');
contentFeatureList.Add(value);
}
return contentFeatureList;
}
private static string GetImageOrgPnValue(string container, int? width, int? height)
{
MediaFormatProfile? format = new MediaFormatProfileResolver()
.ResolveImageFormat(container,
width,
height);
return format.HasValue ? format.Value.ToString() : null;
}
private static string GetAudioOrgPnValue(string container, int? audioBitrate, int? audioSampleRate, int? audioChannels)
{
MediaFormatProfile? format = new MediaFormatProfileResolver()
.ResolveAudioFormat(container,
audioBitrate,
audioSampleRate,
audioChannels);
return format.HasValue ? format.Value.ToString() : null;
}
private static string[] GetVideoOrgPnValue(string container, string videoCodec, string audioCodec, int? width, int? height, TransportStreamTimestamp timestamp)
{
return new MediaFormatProfileResolver().ResolveVideoFormat(container, videoCodec, audioCodec, width, height, timestamp);
}
}
}
|
