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134 lines
4.6 KiB
C#
134 lines
4.6 KiB
C#
using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Devices;
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using MediaBrowser.Controller.Dlna;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Serialization;
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using System;
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using MediaBrowser.Common.IO;
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using MediaBrowser.Controller.IO;
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using MediaBrowser.Controller.Net;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Dlna;
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using MediaBrowser.Model.Services;
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namespace MediaBrowser.Api.Playback.Hls
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{
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[Route("/Videos/{Id}/live.m3u8", "GET")]
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public class GetLiveHlsStream : VideoStreamRequest
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{
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}
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/// <summary>
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/// Class VideoHlsService
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/// </summary>
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public class VideoHlsService : BaseHlsService
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{
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public object Get(GetLiveHlsStream request)
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{
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return ProcessRequest(request, true);
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}
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/// <summary>
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/// Gets the audio arguments.
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/// </summary>
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/// <param name="state">The state.</param>
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/// <returns>System.String.</returns>
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protected override string GetAudioArguments(StreamState state)
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{
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var codec = GetAudioEncoder(state);
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if (string.Equals(codec, "copy", StringComparison.OrdinalIgnoreCase))
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{
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return "-codec:a:0 copy";
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}
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var args = "-codec:a:0 " + codec;
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var channels = state.OutputAudioChannels;
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if (channels.HasValue)
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{
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args += " -ac " + channels.Value;
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}
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var bitrate = state.OutputAudioBitrate;
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if (bitrate.HasValue)
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{
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args += " -ab " + bitrate.Value.ToString(UsCulture);
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}
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args += " " + GetAudioFilterParam(state, true);
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return args;
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}
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/// <summary>
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/// Gets the video arguments.
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/// </summary>
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/// <param name="state">The state.</param>
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/// <returns>System.String.</returns>
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protected override string GetVideoArguments(StreamState state)
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{
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var codec = GetVideoEncoder(state);
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var args = "-codec:v:0 " + codec;
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if (state.EnableMpegtsM2TsMode)
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{
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args += " -mpegts_m2ts_mode 1";
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}
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// See if we can save come cpu cycles by avoiding encoding
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if (codec.Equals("copy", StringComparison.OrdinalIgnoreCase))
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{
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// if h264_mp4toannexb is ever added, do not use it for live tv
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if (state.VideoStream != null && IsH264(state.VideoStream) && !string.Equals(state.VideoStream.NalLengthSize, "0", StringComparison.OrdinalIgnoreCase))
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{
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args += " -bsf:v h264_mp4toannexb";
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}
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args += " -flags -global_header";
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return args;
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}
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var keyFrameArg = string.Format(" -force_key_frames \"expr:gte(t,n_forced*{0})\"",
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state.SegmentLength.ToString(UsCulture));
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var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream && state.VideoRequest.SubtitleMethod == SubtitleDeliveryMethod.Encode;
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args += " " + GetVideoQualityParam(state, GetH264Encoder(state)) + keyFrameArg;
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// Add resolution params, if specified
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if (!hasGraphicalSubs)
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{
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args += GetOutputSizeParam(state, codec);
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}
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// This is for internal graphical subs
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if (hasGraphicalSubs)
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{
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args += GetGraphicalSubtitleParam(state, codec);
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}
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args += " -flags -global_header";
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return args;
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}
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/// <summary>
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/// Gets the segment file extension.
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/// </summary>
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/// <param name="state">The state.</param>
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/// <returns>System.String.</returns>
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protected override string GetSegmentFileExtension(StreamState state)
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{
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return ".ts";
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}
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public VideoHlsService(IServerConfigurationManager serverConfig, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IFileSystem fileSystem, IDlnaManager dlnaManager, ISubtitleEncoder subtitleEncoder, IDeviceManager deviceManager, IMediaSourceManager mediaSourceManager, IZipClient zipClient, IJsonSerializer jsonSerializer, IAuthorizationContext authorizationContext) : base(serverConfig, userManager, libraryManager, isoManager, mediaEncoder, fileSystem, dlnaManager, subtitleEncoder, deviceManager, mediaSourceManager, zipClient, jsonSerializer, authorizationContext)
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{
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}
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}
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}
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