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Diffstat (limited to 'MediaBrowser.Api/Playback/Dash/ManifestBuilder.cs')
-rw-r--r--MediaBrowser.Api/Playback/Dash/ManifestBuilder.cs224
1 files changed, 0 insertions, 224 deletions
diff --git a/MediaBrowser.Api/Playback/Dash/ManifestBuilder.cs b/MediaBrowser.Api/Playback/Dash/ManifestBuilder.cs
deleted file mode 100644
index 35e252a19..000000000
--- a/MediaBrowser.Api/Playback/Dash/ManifestBuilder.cs
+++ /dev/null
@@ -1,224 +0,0 @@
-using System;
-using System.Globalization;
-using System.Security;
-using System.Text;
-
-namespace MediaBrowser.Api.Playback.Dash
-{
- public class ManifestBuilder
- {
- protected readonly CultureInfo UsCulture = new CultureInfo("en-US");
-
- public string GetManifestText(StreamState state, string playlistUrl)
- {
- var builder = new StringBuilder();
-
- var time = TimeSpan.FromTicks(state.RunTimeTicks.Value);
-
- var duration = "PT" + time.Hours.ToString("00", UsCulture) + "H" + time.Minutes.ToString("00", UsCulture) + "M" + time.Seconds.ToString("00", UsCulture) + ".00S";
-
- builder.Append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
-
- builder.AppendFormat(
- "<MPD xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns=\"urn:mpeg:dash:schema:mpd:2011\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xsi:schemaLocation=\"urn:mpeg:DASH:schema:MPD:2011 http://standards.iso.org/ittf/PubliclyAvailableStandards/MPEG-DASH_schema_files/DASH-MPD.xsd\" profiles=\"urn:mpeg:dash:profile:isoff-live:2011\" type=\"static\" mediaPresentationDuration=\"{0}\" minBufferTime=\"PT5.0S\">",
- duration);
-
- builder.Append("<ProgramInformation>");
- builder.Append("</ProgramInformation>");
-
- builder.Append("<Period start=\"PT0S\">");
- builder.Append(GetVideoAdaptationSet(state, playlistUrl));
- builder.Append(GetAudioAdaptationSet(state, playlistUrl));
- builder.Append("</Period>");
-
- builder.Append("</MPD>");
-
- return builder.ToString();
- }
-
- private string GetVideoAdaptationSet(StreamState state, string playlistUrl)
- {
- var builder = new StringBuilder();
-
- builder.Append("<AdaptationSet id=\"video\" segmentAlignment=\"true\" bitstreamSwitching=\"true\">");
- builder.Append(GetVideoRepresentationOpenElement(state));
-
- AppendSegmentList(state, builder, "0", playlistUrl);
-
- builder.Append("</Representation>");
- builder.Append("</AdaptationSet>");
-
- return builder.ToString();
- }
-
- private string GetAudioAdaptationSet(StreamState state, string playlistUrl)
- {
- var builder = new StringBuilder();
-
- builder.Append("<AdaptationSet id=\"audio\" segmentAlignment=\"true\" bitstreamSwitching=\"true\">");
- builder.Append(GetAudioRepresentationOpenElement(state));
-
- builder.Append("<AudioChannelConfiguration schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\" value=\"6\" />");
-
- AppendSegmentList(state, builder, "1", playlistUrl);
-
- builder.Append("</Representation>");
- builder.Append("</AdaptationSet>");
-
- return builder.ToString();
- }
-
- private string GetVideoRepresentationOpenElement(StreamState state)
- {
- var codecs = GetVideoCodecDescriptor(state);
-
- var mime = "video/mp4";
-
- var xml = "<Representation id=\"0\" mimeType=\"" + mime + "\" codecs=\"" + codecs + "\"";
-
- if (state.OutputWidth.HasValue)
- {
- xml += " width=\"" + state.OutputWidth.Value.ToString(UsCulture) + "\"";
- }
- if (state.OutputHeight.HasValue)
- {
- xml += " height=\"" + state.OutputHeight.Value.ToString(UsCulture) + "\"";
- }
- if (state.OutputVideoBitrate.HasValue)
- {
- xml += " bandwidth=\"" + state.OutputVideoBitrate.Value.ToString(UsCulture) + "\"";
- }
-
- xml += ">";
-
- return xml;
- }
-
- private string GetAudioRepresentationOpenElement(StreamState state)
- {
- var codecs = GetAudioCodecDescriptor(state);
-
- var mime = "audio/mp4";
-
- var xml = "<Representation id=\"1\" mimeType=\"" + mime + "\" codecs=\"" + codecs + "\"";
-
- if (state.OutputAudioSampleRate.HasValue)
- {
- xml += " audioSamplingRate=\"" + state.OutputAudioSampleRate.Value.ToString(UsCulture) + "\"";
- }
- if (state.OutputAudioBitrate.HasValue)
- {
- xml += " bandwidth=\"" + state.OutputAudioBitrate.Value.ToString(UsCulture) + "\"";
- }
-
- xml += ">";
-
- return xml;
- }
-
- private string GetVideoCodecDescriptor(StreamState state)
- {
- // https://developer.apple.com/library/ios/documentation/networkinginternet/conceptual/streamingmediaguide/FrequentlyAskedQuestions/FrequentlyAskedQuestions.html
- // http://www.chipwreck.de/blog/2010/02/25/html-5-video-tag-and-attributes/
-
- var level = state.TargetVideoLevel ?? 0;
- var profile = state.TargetVideoProfile ?? string.Empty;
-
- if (profile.IndexOf("high", StringComparison.OrdinalIgnoreCase) != -1)
- {
- if (level >= 4.1)
- {
- return "avc1.640028";
- }
-
- if (level >= 4)
- {
- return "avc1.640028";
- }
-
- return "avc1.64001f";
- }
-
- if (profile.IndexOf("main", StringComparison.OrdinalIgnoreCase) != -1)
- {
- if (level >= 4)
- {
- return "avc1.4d0028";
- }
-
- if (level >= 3.1)
- {
- return "avc1.4d001f";
- }
-
- return "avc1.4d001e";
- }
-
- if (level >= 3.1)
- {
- return "avc1.42001f";
- }
-
- return "avc1.42E01E";
- }
-
- private string GetAudioCodecDescriptor(StreamState state)
- {
- // https://developer.apple.com/library/ios/documentation/networkinginternet/conceptual/streamingmediaguide/FrequentlyAskedQuestions/FrequentlyAskedQuestions.html
-
- if (string.Equals(state.OutputAudioCodec, "mp3", StringComparison.OrdinalIgnoreCase))
- {
- return "mp4a.40.34";
- }
-
- // AAC 5ch
- if (state.OutputAudioChannels.HasValue && state.OutputAudioChannels.Value >= 5)
- {
- return "mp4a.40.5";
- }
-
- // AAC 2ch
- return "mp4a.40.2";
- }
-
- private void AppendSegmentList(StreamState state, StringBuilder builder, string type, string playlistUrl)
- {
- var extension = ".m4s";
-
- var seconds = TimeSpan.FromTicks(state.RunTimeTicks ?? 0).TotalSeconds;
-
- var queryStringIndex = playlistUrl.IndexOf('?');
- var queryString = queryStringIndex == -1 ? string.Empty : playlistUrl.Substring(queryStringIndex);
-
- var index = 0;
- var duration = 1000000 * state.SegmentLength;
- builder.AppendFormat("<SegmentList timescale=\"1000000\" duration=\"{0}\" startNumber=\"1\">", duration.ToString(CultureInfo.InvariantCulture));
-
- while (seconds > 0)
- {
- var filename = index == 0
- ? "init"
- : (index - 1).ToString(UsCulture);
-
- var segmentUrl = string.Format("dash/{3}/{0}{1}{2}",
- filename,
- extension,
- SecurityElement.Escape(queryString),
- type);
-
- if (index == 0)
- {
- builder.AppendFormat("<Initialization sourceURL=\"{0}\"/>", segmentUrl);
- }
- else
- {
- builder.AppendFormat("<SegmentURL media=\"{0}\"/>", segmentUrl);
- }
-
- seconds -= state.SegmentLength;
- index++;
- }
- builder.Append("</SegmentList>");
- }
- }
-}
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-24 14:24:25 +0000