126 lines
4.3 KiB
C#
126 lines
4.3 KiB
C#
using MediaBrowser.Common.IO;
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using MediaBrowser.Common.MediaInfo;
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using MediaBrowser.Controller;
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using MediaBrowser.Controller.Dto;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.IO;
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using ServiceStack.ServiceHost;
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using System;
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namespace MediaBrowser.Api.Playback.Hls
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{
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/// <summary>
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/// Class GetHlsAudioStream
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/// </summary>
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[Route("/Audio/{Id}/stream.m3u8", "GET")]
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[Api(Description = "Gets an audio stream using HTTP live streaming.")]
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public class GetHlsAudioStream : StreamRequest
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{
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}
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/// <summary>
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/// Class AudioHlsService
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/// </summary>
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public class AudioHlsService : BaseHlsService
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="AudioHlsService" /> class.
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/// </summary>
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/// <param name="appPaths">The app paths.</param>
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/// <param name="userManager">The user manager.</param>
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/// <param name="libraryManager">The library manager.</param>
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/// <param name="isoManager">The iso manager.</param>
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/// <param name="mediaEncoder">The media encoder.</param>
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public AudioHlsService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IDtoService dtoService, IFileSystem fileSystem)
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: base(appPaths, userManager, libraryManager, isoManager, mediaEncoder, dtoService, fileSystem)
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{
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}
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/// <summary>
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/// Gets the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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/// <returns>System.Object.</returns>
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public object Get(GetHlsAudioStream request)
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{
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return ProcessRequest(request);
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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 = GetAudioCodec(state.Request);
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var args = "-codec:a " + codec;
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var channels = GetNumAudioChannelsParam(state.Request, state.AudioStream);
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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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if (state.Request.AudioSampleRate.HasValue)
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{
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args += " -ar " + state.Request.AudioSampleRate.Value;
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}
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if (state.Request.AudioBitRate.HasValue)
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{
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args += " -ab " + state.Request.AudioBitRate.Value;
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}
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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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/// <param name="performSubtitleConversion">if set to <c>true</c> [perform subtitle conversion].</param>
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/// <returns>System.String.</returns>
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protected override string GetVideoArguments(StreamState state, bool performSubtitleConversion)
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{
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// No video
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return string.Empty;
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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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/// <exception cref="System.ArgumentException">Must specify either aac or mp3 audio codec.</exception>
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/// <exception cref="System.InvalidOperationException">Only aac and mp3 audio codecs are supported.</exception>
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protected override string GetSegmentFileExtension(StreamState state)
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{
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if (state.Request.AudioCodec == AudioCodecs.Aac)
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{
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return ".aac";
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}
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if (state.Request.AudioCodec == AudioCodecs.Mp3)
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{
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return ".mp3";
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}
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throw new ArgumentException("Must specify either aac or mp3 audio codec.");
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}
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/// <summary>
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/// Gets the map args.
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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 GetMapArgs(StreamState state)
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{
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return string.Format("-map 0:{0}", state.AudioStream.Index);
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}
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}
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}
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