1019 lines
40 KiB
C#
1019 lines
40 KiB
C#
using MediaBrowser.Common.Extensions;
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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.Dlna;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Extensions;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.MediaInfo;
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using MediaBrowser.Model.Serialization;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller;
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using MediaBrowser.Controller.Net;
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using MediaBrowser.Model.Diagnostics;
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namespace MediaBrowser.Api.Playback
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{
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/// <summary>
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/// Class BaseStreamingService
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/// </summary>
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public abstract class BaseStreamingService : BaseApiService
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{
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/// <summary>
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/// Gets or sets the application paths.
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/// </summary>
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/// <value>The application paths.</value>
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protected IServerConfigurationManager ServerConfigurationManager { get; private set; }
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/// <summary>
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/// Gets or sets the user manager.
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/// </summary>
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/// <value>The user manager.</value>
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protected IUserManager UserManager { get; private set; }
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/// <summary>
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/// Gets or sets the library manager.
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/// </summary>
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/// <value>The library manager.</value>
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protected ILibraryManager LibraryManager { get; private set; }
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/// <summary>
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/// Gets or sets the iso manager.
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/// </summary>
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/// <value>The iso manager.</value>
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protected IIsoManager IsoManager { get; private set; }
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/// <summary>
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/// Gets or sets the media encoder.
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/// </summary>
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/// <value>The media encoder.</value>
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protected IMediaEncoder MediaEncoder { get; private set; }
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protected IFileSystem FileSystem { get; private set; }
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protected IDlnaManager DlnaManager { get; private set; }
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protected IDeviceManager DeviceManager { get; private set; }
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protected ISubtitleEncoder SubtitleEncoder { get; private set; }
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protected IMediaSourceManager MediaSourceManager { get; private set; }
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protected IZipClient ZipClient { get; private set; }
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protected IJsonSerializer JsonSerializer { get; private set; }
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public static IServerApplicationHost AppHost;
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public static IHttpClient HttpClient;
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protected IAuthorizationContext AuthorizationContext { get; private set; }
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protected EncodingHelper EncodingHelper { get; set; }
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/// <summary>
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/// Initializes a new instance of the <see cref="BaseStreamingService" /> class.
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/// </summary>
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protected BaseStreamingService(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)
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{
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JsonSerializer = jsonSerializer;
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AuthorizationContext = authorizationContext;
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ZipClient = zipClient;
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MediaSourceManager = mediaSourceManager;
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DeviceManager = deviceManager;
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SubtitleEncoder = subtitleEncoder;
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DlnaManager = dlnaManager;
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FileSystem = fileSystem;
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ServerConfigurationManager = serverConfig;
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UserManager = userManager;
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LibraryManager = libraryManager;
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IsoManager = isoManager;
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MediaEncoder = mediaEncoder;
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EncodingHelper = new EncodingHelper(MediaEncoder, serverConfig, FileSystem, SubtitleEncoder);
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}
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/// <summary>
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/// Gets the command line arguments.
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/// </summary>
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/// <param name="outputPath">The output path.</param>
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/// <param name="state">The state.</param>
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/// <param name="isEncoding">if set to <c>true</c> [is encoding].</param>
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/// <returns>System.String.</returns>
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protected abstract string GetCommandLineArguments(string outputPath, StreamState state, bool isEncoding);
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/// <summary>
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/// Gets the type of the transcoding job.
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/// </summary>
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/// <value>The type of the transcoding job.</value>
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protected abstract TranscodingJobType TranscodingJobType { get; }
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/// <summary>
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/// Gets the output 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 virtual string GetOutputFileExtension(StreamState state)
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{
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return Path.GetExtension(state.RequestedUrl);
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}
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/// <summary>
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/// Gets the output file path.
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/// </summary>
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private string GetOutputFilePath(StreamState state, string outputFileExtension)
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{
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var folder = ServerConfigurationManager.ApplicationPaths.TranscodingTempPath;
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var data = GetCommandLineArguments("dummy\\dummy", state, false);
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data += "-" + (state.Request.DeviceId ?? string.Empty);
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data += "-" + (state.Request.PlaySessionId ?? string.Empty);
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var dataHash = data.GetMD5().ToString("N");
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if (EnableOutputInSubFolder)
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{
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return Path.Combine(folder, dataHash, dataHash + (outputFileExtension ?? string.Empty).ToLower());
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}
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return Path.Combine(folder, dataHash + (outputFileExtension ?? string.Empty).ToLower());
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}
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protected virtual bool EnableOutputInSubFolder
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{
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get { return false; }
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}
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protected readonly CultureInfo UsCulture = new CultureInfo("en-US");
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protected virtual string GetDefaultH264Preset()
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{
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return "superfast";
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}
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private async Task AcquireResources(StreamState state, CancellationTokenSource cancellationTokenSource)
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{
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if (state.VideoType == VideoType.Iso && state.IsoType.HasValue && IsoManager.CanMount(state.MediaPath))
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{
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state.IsoMount = await IsoManager.Mount(state.MediaPath, cancellationTokenSource.Token).ConfigureAwait(false);
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}
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if (state.MediaSource.RequiresOpening && string.IsNullOrWhiteSpace(state.Request.LiveStreamId))
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{
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var liveStreamResponse = await MediaSourceManager.OpenLiveStream(new LiveStreamRequest
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{
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OpenToken = state.MediaSource.OpenToken
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}, cancellationTokenSource.Token).ConfigureAwait(false);
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EncodingHelper.AttachMediaSourceInfo(state, liveStreamResponse.MediaSource, state.RequestedUrl);
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if (state.VideoRequest != null)
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{
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EncodingHelper.TryStreamCopy(state);
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}
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}
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if (state.MediaSource.BufferMs.HasValue)
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{
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await Task.Delay(state.MediaSource.BufferMs.Value, cancellationTokenSource.Token).ConfigureAwait(false);
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}
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}
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/// <summary>
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/// Starts the FFMPEG.
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/// </summary>
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/// <param name="state">The state.</param>
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/// <param name="outputPath">The output path.</param>
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/// <param name="cancellationTokenSource">The cancellation token source.</param>
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/// <param name="workingDirectory">The working directory.</param>
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/// <returns>Task.</returns>
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protected async Task<TranscodingJob> StartFfMpeg(StreamState state,
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string outputPath,
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CancellationTokenSource cancellationTokenSource,
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string workingDirectory = null)
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{
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FileSystem.CreateDirectory(FileSystem.GetDirectoryName(outputPath));
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await AcquireResources(state, cancellationTokenSource).ConfigureAwait(false);
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if (state.VideoRequest != null && !string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
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{
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var auth = AuthorizationContext.GetAuthorizationInfo(Request);
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if (!string.IsNullOrWhiteSpace(auth.UserId))
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{
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var user = UserManager.GetUserById(auth.UserId);
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if (!user.Policy.EnableVideoPlaybackTranscoding)
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{
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ApiEntryPoint.Instance.OnTranscodeFailedToStart(outputPath, TranscodingJobType, state);
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throw new ArgumentException("User does not have access to video transcoding");
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}
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}
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}
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var transcodingId = Guid.NewGuid().ToString("N");
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var commandLineArgs = GetCommandLineArguments(outputPath, state, true);
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var process = ApiEntryPoint.Instance.ProcessFactory.Create(new ProcessOptions
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{
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CreateNoWindow = true,
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UseShellExecute = false,
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// Must consume both stdout and stderr or deadlocks may occur
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//RedirectStandardOutput = true,
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RedirectStandardError = true,
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RedirectStandardInput = true,
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FileName = MediaEncoder.EncoderPath,
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Arguments = commandLineArgs,
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IsHidden = true,
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ErrorDialog = false,
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EnableRaisingEvents = true,
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WorkingDirectory = !string.IsNullOrWhiteSpace(workingDirectory) ? workingDirectory : null
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});
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var transcodingJob = ApiEntryPoint.Instance.OnTranscodeBeginning(outputPath,
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state.Request.PlaySessionId,
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state.MediaSource.LiveStreamId,
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transcodingId,
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TranscodingJobType,
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process,
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state.Request.DeviceId,
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state,
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cancellationTokenSource);
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var commandLineLogMessage = process.StartInfo.FileName + " " + process.StartInfo.Arguments;
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Logger.Info(commandLineLogMessage);
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var logFilePrefix = "ffmpeg-transcode";
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if (state.VideoRequest != null && string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase) && string.Equals(state.OutputAudioCodec, "copy", StringComparison.OrdinalIgnoreCase))
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{
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logFilePrefix = "ffmpeg-directstream";
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}
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else if (state.VideoRequest != null && string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
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{
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logFilePrefix = "ffmpeg-remux";
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}
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var logFilePath = Path.Combine(ServerConfigurationManager.ApplicationPaths.LogDirectoryPath, logFilePrefix + "-" + Guid.NewGuid() + ".txt");
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FileSystem.CreateDirectory(FileSystem.GetDirectoryName(logFilePath));
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// FFMpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory.
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state.LogFileStream = FileSystem.GetFileStream(logFilePath, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, true);
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var commandLineLogMessageBytes = Encoding.UTF8.GetBytes(Request.AbsoluteUri + Environment.NewLine + Environment.NewLine + JsonSerializer.SerializeToString(state.MediaSource) + Environment.NewLine + Environment.NewLine + commandLineLogMessage + Environment.NewLine + Environment.NewLine);
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await state.LogFileStream.WriteAsync(commandLineLogMessageBytes, 0, commandLineLogMessageBytes.Length, cancellationTokenSource.Token).ConfigureAwait(false);
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process.Exited += (sender, args) => OnFfMpegProcessExited(process, transcodingJob, state);
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try
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{
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process.Start();
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}
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catch (Exception ex)
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{
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Logger.ErrorException("Error starting ffmpeg", ex);
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ApiEntryPoint.Instance.OnTranscodeFailedToStart(outputPath, TranscodingJobType, state);
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throw;
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}
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// MUST read both stdout and stderr asynchronously or a deadlock may occurr
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//process.BeginOutputReadLine();
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state.TranscodingJob = transcodingJob;
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// Important - don't await the log task or we won't be able to kill ffmpeg when the user stops playback
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new JobLogger(Logger).StartStreamingLog(state, process.StandardError.BaseStream, state.LogFileStream);
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// Wait for the file to exist before proceeeding
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while (!FileSystem.FileExists(state.WaitForPath ?? outputPath) && !transcodingJob.HasExited)
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{
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await Task.Delay(100, cancellationTokenSource.Token).ConfigureAwait(false);
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}
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if (state.IsInputVideo && transcodingJob.Type == TranscodingJobType.Progressive && !transcodingJob.HasExited)
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{
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await Task.Delay(1000, cancellationTokenSource.Token).ConfigureAwait(false);
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if (state.ReadInputAtNativeFramerate && !transcodingJob.HasExited)
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{
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await Task.Delay(1500, cancellationTokenSource.Token).ConfigureAwait(false);
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}
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}
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if (!transcodingJob.HasExited)
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{
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StartThrottler(state, transcodingJob);
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}
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return transcodingJob;
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}
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private void StartThrottler(StreamState state, TranscodingJob transcodingJob)
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{
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if (EnableThrottling(state))
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{
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transcodingJob.TranscodingThrottler = state.TranscodingThrottler = new TranscodingThrottler(transcodingJob, Logger, ServerConfigurationManager, ApiEntryPoint.Instance.TimerFactory, FileSystem);
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state.TranscodingThrottler.Start();
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}
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}
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private bool EnableThrottling(StreamState state)
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{
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return false;
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//// do not use throttling with hardware encoders
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//return state.InputProtocol == MediaProtocol.File &&
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// state.RunTimeTicks.HasValue &&
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// state.RunTimeTicks.Value >= TimeSpan.FromMinutes(5).Ticks &&
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// state.IsInputVideo &&
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// state.VideoType == VideoType.VideoFile &&
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// !string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase) &&
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// string.Equals(GetVideoEncoder(state), "libx264", StringComparison.OrdinalIgnoreCase);
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}
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/// <summary>
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/// Processes the exited.
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/// </summary>
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/// <param name="process">The process.</param>
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/// <param name="job">The job.</param>
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/// <param name="state">The state.</param>
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private void OnFfMpegProcessExited(IProcess process, TranscodingJob job, StreamState state)
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{
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if (job != null)
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{
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job.HasExited = true;
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}
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Logger.Debug("Disposing stream resources");
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state.Dispose();
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try
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{
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Logger.Info("FFMpeg exited with code {0}", process.ExitCode);
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}
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catch
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{
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Logger.Error("FFMpeg exited with an error.");
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}
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// This causes on exited to be called twice:
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//try
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//{
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// // Dispose the process
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// process.Dispose();
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//}
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//catch (Exception ex)
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//{
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// Logger.ErrorException("Error disposing ffmpeg.", ex);
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//}
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}
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/// <summary>
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/// Parses the parameters.
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/// </summary>
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/// <param name="request">The request.</param>
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private void ParseParams(StreamRequest request)
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{
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var vals = request.Params.Split(';');
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var videoRequest = request as VideoStreamRequest;
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for (var i = 0; i < vals.Length; i++)
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{
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var val = vals[i];
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if (string.IsNullOrWhiteSpace(val))
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{
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continue;
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}
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if (i == 0)
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{
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request.DeviceProfileId = val;
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}
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else if (i == 1)
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{
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request.DeviceId = val;
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}
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else if (i == 2)
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{
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request.MediaSourceId = val;
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}
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else if (i == 3)
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{
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request.Static = string.Equals("true", val, StringComparison.OrdinalIgnoreCase);
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}
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else if (i == 4)
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{
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if (videoRequest != null)
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{
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videoRequest.VideoCodec = val;
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}
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}
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else if (i == 5)
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{
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request.AudioCodec = val;
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}
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else if (i == 6)
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{
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if (videoRequest != null)
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{
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videoRequest.AudioStreamIndex = int.Parse(val, UsCulture);
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}
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}
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else if (i == 7)
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{
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if (videoRequest != null)
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{
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videoRequest.SubtitleStreamIndex = int.Parse(val, UsCulture);
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}
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}
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else if (i == 8)
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{
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if (videoRequest != null)
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{
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videoRequest.VideoBitRate = int.Parse(val, UsCulture);
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}
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}
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else if (i == 9)
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{
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request.AudioBitRate = int.Parse(val, UsCulture);
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}
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else if (i == 10)
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{
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request.MaxAudioChannels = int.Parse(val, UsCulture);
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}
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else if (i == 11)
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{
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if (videoRequest != null)
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{
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videoRequest.MaxFramerate = float.Parse(val, UsCulture);
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}
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}
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else if (i == 12)
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{
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if (videoRequest != null)
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{
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videoRequest.MaxWidth = int.Parse(val, UsCulture);
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}
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}
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else if (i == 13)
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{
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if (videoRequest != null)
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{
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videoRequest.MaxHeight = int.Parse(val, UsCulture);
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}
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}
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else if (i == 14)
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{
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request.StartTimeTicks = long.Parse(val, UsCulture);
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}
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else if (i == 15)
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{
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if (videoRequest != null)
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{
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videoRequest.Level = val;
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}
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}
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else if (i == 16)
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{
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if (videoRequest != null)
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{
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videoRequest.MaxRefFrames = int.Parse(val, UsCulture);
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}
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}
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else if (i == 17)
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{
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if (videoRequest != null)
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{
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videoRequest.MaxVideoBitDepth = int.Parse(val, UsCulture);
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}
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}
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else if (i == 18)
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{
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if (videoRequest != null)
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{
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videoRequest.Profile = val;
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}
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}
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else if (i == 19)
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{
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// cabac no longer used
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}
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else if (i == 20)
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{
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request.PlaySessionId = val;
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}
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else if (i == 21)
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{
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// api_key
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}
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else if (i == 22)
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{
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request.LiveStreamId = val;
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}
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else if (i == 23)
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{
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// Duplicating ItemId because of MediaMonkey
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}
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else if (i == 24)
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{
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if (videoRequest != null)
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{
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videoRequest.CopyTimestamps = string.Equals("true", val, StringComparison.OrdinalIgnoreCase);
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}
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}
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else if (i == 25)
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{
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if (!string.IsNullOrWhiteSpace(val) && videoRequest != null)
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{
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SubtitleDeliveryMethod method;
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if (Enum.TryParse(val, out method))
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{
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videoRequest.SubtitleMethod = method;
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}
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|
}
|
|
}
|
|
else if (i == 26)
|
|
{
|
|
request.TranscodingMaxAudioChannels = int.Parse(val, UsCulture);
|
|
}
|
|
else if (i == 27)
|
|
{
|
|
if (videoRequest != null)
|
|
{
|
|
videoRequest.EnableSubtitlesInManifest = string.Equals("true", val, StringComparison.OrdinalIgnoreCase);
|
|
}
|
|
}
|
|
else if (i == 28)
|
|
{
|
|
request.Tag = val;
|
|
}
|
|
else if (i == 29)
|
|
{
|
|
if (videoRequest != null)
|
|
{
|
|
videoRequest.RequireAvc = string.Equals("true", val, StringComparison.OrdinalIgnoreCase);
|
|
}
|
|
}
|
|
else if (i == 30)
|
|
{
|
|
request.SubtitleCodec = val;
|
|
}
|
|
else if (i == 31)
|
|
{
|
|
if (videoRequest != null)
|
|
{
|
|
videoRequest.RequireNonAnamorphic = string.Equals("true", val, StringComparison.OrdinalIgnoreCase);
|
|
}
|
|
}
|
|
else if (i == 32)
|
|
{
|
|
if (videoRequest != null)
|
|
{
|
|
videoRequest.DeInterlace = string.Equals("true", val, StringComparison.OrdinalIgnoreCase);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Parses the dlna headers.
|
|
/// </summary>
|
|
/// <param name="request">The request.</param>
|
|
private void ParseDlnaHeaders(StreamRequest request)
|
|
{
|
|
if (!request.StartTimeTicks.HasValue)
|
|
{
|
|
var timeSeek = GetHeader("TimeSeekRange.dlna.org");
|
|
|
|
request.StartTimeTicks = ParseTimeSeekHeader(timeSeek);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Parses the time seek header.
|
|
/// </summary>
|
|
private long? ParseTimeSeekHeader(string value)
|
|
{
|
|
if (string.IsNullOrWhiteSpace(value))
|
|
{
|
|
return null;
|
|
}
|
|
|
|
if (value.IndexOf("npt=", StringComparison.OrdinalIgnoreCase) != 0)
|
|
{
|
|
throw new ArgumentException("Invalid timeseek header");
|
|
}
|
|
value = value.Substring(4).Split(new[] { '-' }, 2)[0];
|
|
|
|
if (value.IndexOf(':') == -1)
|
|
{
|
|
// Parses npt times in the format of '417.33'
|
|
double seconds;
|
|
if (double.TryParse(value, NumberStyles.Any, UsCulture, out seconds))
|
|
{
|
|
return TimeSpan.FromSeconds(seconds).Ticks;
|
|
}
|
|
|
|
throw new ArgumentException("Invalid timeseek header");
|
|
}
|
|
|
|
// Parses npt times in the format of '10:19:25.7'
|
|
var tokens = value.Split(new[] { ':' }, 3);
|
|
double secondsSum = 0;
|
|
var timeFactor = 3600;
|
|
|
|
foreach (var time in tokens)
|
|
{
|
|
double digit;
|
|
if (double.TryParse(time, NumberStyles.Any, UsCulture, out digit))
|
|
{
|
|
secondsSum += digit * timeFactor;
|
|
}
|
|
else
|
|
{
|
|
throw new ArgumentException("Invalid timeseek header");
|
|
}
|
|
timeFactor /= 60;
|
|
}
|
|
return TimeSpan.FromSeconds(secondsSum).Ticks;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the state.
|
|
/// </summary>
|
|
/// <param name="request">The request.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>StreamState.</returns>
|
|
protected async Task<StreamState> GetState(StreamRequest request, CancellationToken cancellationToken)
|
|
{
|
|
ParseDlnaHeaders(request);
|
|
|
|
if (!string.IsNullOrWhiteSpace(request.Params))
|
|
{
|
|
ParseParams(request);
|
|
}
|
|
|
|
var url = Request.PathInfo;
|
|
|
|
if (string.IsNullOrEmpty(request.AudioCodec))
|
|
{
|
|
request.AudioCodec = EncodingHelper.InferAudioCodec(url);
|
|
}
|
|
|
|
var enableDlnaHeaders = !string.IsNullOrWhiteSpace(request.Params) /*||
|
|
string.Equals(Request.Headers.Get("GetContentFeatures.DLNA.ORG"), "1", StringComparison.OrdinalIgnoreCase)*/;
|
|
|
|
var state = new StreamState(MediaSourceManager, Logger, TranscodingJobType)
|
|
{
|
|
Request = request,
|
|
RequestedUrl = url,
|
|
UserAgent = Request.UserAgent,
|
|
EnableDlnaHeaders = enableDlnaHeaders
|
|
};
|
|
|
|
var auth = AuthorizationContext.GetAuthorizationInfo(Request);
|
|
if (!string.IsNullOrWhiteSpace(auth.UserId))
|
|
{
|
|
state.User = UserManager.GetUserById(auth.UserId);
|
|
}
|
|
|
|
//if ((Request.UserAgent ?? string.Empty).IndexOf("iphone", StringComparison.OrdinalIgnoreCase) != -1 ||
|
|
// (Request.UserAgent ?? string.Empty).IndexOf("ipad", StringComparison.OrdinalIgnoreCase) != -1 ||
|
|
// (Request.UserAgent ?? string.Empty).IndexOf("ipod", StringComparison.OrdinalIgnoreCase) != -1)
|
|
//{
|
|
// state.SegmentLength = 6;
|
|
//}
|
|
|
|
if (state.VideoRequest != null)
|
|
{
|
|
if (!string.IsNullOrWhiteSpace(state.VideoRequest.VideoCodec))
|
|
{
|
|
state.SupportedVideoCodecs = state.VideoRequest.VideoCodec.Split(',').Where(i => !string.IsNullOrWhiteSpace(i)).ToList();
|
|
state.VideoRequest.VideoCodec = state.SupportedVideoCodecs.FirstOrDefault();
|
|
}
|
|
}
|
|
|
|
if (!string.IsNullOrWhiteSpace(request.AudioCodec))
|
|
{
|
|
state.SupportedAudioCodecs = request.AudioCodec.Split(',').Where(i => !string.IsNullOrWhiteSpace(i)).ToList();
|
|
state.Request.AudioCodec = state.SupportedAudioCodecs.FirstOrDefault(i => MediaEncoder.CanEncodeToAudioCodec(i))
|
|
?? state.SupportedAudioCodecs.FirstOrDefault();
|
|
}
|
|
|
|
if (!string.IsNullOrWhiteSpace(request.SubtitleCodec))
|
|
{
|
|
state.SupportedSubtitleCodecs = request.SubtitleCodec.Split(',').Where(i => !string.IsNullOrWhiteSpace(i)).ToList();
|
|
state.Request.SubtitleCodec = state.SupportedSubtitleCodecs.FirstOrDefault(i => MediaEncoder.CanEncodeToSubtitleCodec(i))
|
|
?? state.SupportedSubtitleCodecs.FirstOrDefault();
|
|
}
|
|
|
|
var item = LibraryManager.GetItemById(request.Id);
|
|
|
|
state.IsInputVideo = string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase);
|
|
|
|
//var primaryImage = item.GetImageInfo(ImageType.Primary, 0) ??
|
|
// item.Parents.Select(i => i.GetImageInfo(ImageType.Primary, 0)).FirstOrDefault(i => i != null);
|
|
//if (primaryImage != null)
|
|
//{
|
|
// state.AlbumCoverPath = primaryImage.Path;
|
|
//}
|
|
|
|
MediaSourceInfo mediaSource = null;
|
|
if (string.IsNullOrWhiteSpace(request.LiveStreamId))
|
|
{
|
|
TranscodingJob currentJob = !string.IsNullOrWhiteSpace(request.PlaySessionId) ?
|
|
ApiEntryPoint.Instance.GetTranscodingJob(request.PlaySessionId)
|
|
: null;
|
|
|
|
if (currentJob != null)
|
|
{
|
|
mediaSource = currentJob.MediaSource;
|
|
}
|
|
|
|
if (mediaSource == null)
|
|
{
|
|
var mediaSources = (await MediaSourceManager.GetPlayackMediaSources(request.Id, null, false, new[] { MediaType.Audio, MediaType.Video }, cancellationToken).ConfigureAwait(false)).ToList();
|
|
|
|
mediaSource = string.IsNullOrEmpty(request.MediaSourceId)
|
|
? mediaSources.First()
|
|
: mediaSources.FirstOrDefault(i => string.Equals(i.Id, request.MediaSourceId));
|
|
|
|
if (mediaSource == null && string.Equals(request.Id, request.MediaSourceId, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
mediaSource = mediaSources.First();
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
var liveStreamInfo = await MediaSourceManager.GetLiveStreamWithDirectStreamProvider(request.LiveStreamId, cancellationToken).ConfigureAwait(false);
|
|
mediaSource = liveStreamInfo.Item1;
|
|
state.DirectStreamProvider = liveStreamInfo.Item2;
|
|
}
|
|
|
|
var videoRequest = request as VideoStreamRequest;
|
|
|
|
EncodingHelper.AttachMediaSourceInfo(state, mediaSource, url);
|
|
|
|
var container = Path.GetExtension(state.RequestedUrl);
|
|
|
|
if (string.IsNullOrEmpty(container))
|
|
{
|
|
container = request.Container;
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(container))
|
|
{
|
|
container = request.Static ?
|
|
state.InputContainer :
|
|
GetOutputFileExtension(state);
|
|
}
|
|
|
|
state.OutputContainer = (container ?? string.Empty).TrimStart('.');
|
|
|
|
state.OutputAudioBitrate = EncodingHelper.GetAudioBitrateParam(state.Request, state.AudioStream);
|
|
state.OutputAudioSampleRate = request.AudioSampleRate;
|
|
|
|
state.OutputAudioCodec = state.Request.AudioCodec;
|
|
|
|
state.OutputAudioChannels = EncodingHelper.GetNumAudioChannelsParam(state.Request, state.AudioStream, state.OutputAudioCodec);
|
|
|
|
if (videoRequest != null)
|
|
{
|
|
state.OutputVideoCodec = state.VideoRequest.VideoCodec;
|
|
state.OutputVideoBitrate = EncodingHelper.GetVideoBitrateParamValue(state.VideoRequest, state.VideoStream, state.OutputVideoCodec);
|
|
|
|
if (videoRequest != null)
|
|
{
|
|
EncodingHelper.TryStreamCopy(state);
|
|
}
|
|
|
|
if (state.OutputVideoBitrate.HasValue && !string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
var resolution = ResolutionNormalizer.Normalize(
|
|
state.VideoStream == null ? (int?)null : state.VideoStream.BitRate,
|
|
state.OutputVideoBitrate.Value,
|
|
state.VideoStream == null ? null : state.VideoStream.Codec,
|
|
state.OutputVideoCodec,
|
|
videoRequest.MaxWidth,
|
|
videoRequest.MaxHeight);
|
|
|
|
videoRequest.MaxWidth = resolution.MaxWidth;
|
|
videoRequest.MaxHeight = resolution.MaxHeight;
|
|
}
|
|
|
|
ApplyDeviceProfileSettings(state);
|
|
}
|
|
else
|
|
{
|
|
ApplyDeviceProfileSettings(state);
|
|
}
|
|
|
|
var ext = string.IsNullOrWhiteSpace(state.OutputContainer)
|
|
? GetOutputFileExtension(state)
|
|
: ("." + state.OutputContainer);
|
|
state.OutputFilePath = GetOutputFilePath(state, ext);
|
|
|
|
return state;
|
|
}
|
|
|
|
private void ApplyDeviceProfileSettings(StreamState state)
|
|
{
|
|
var headers = Request.Headers.ToDictionary();
|
|
|
|
if (!string.IsNullOrWhiteSpace(state.Request.DeviceProfileId))
|
|
{
|
|
state.DeviceProfile = DlnaManager.GetProfile(state.Request.DeviceProfileId);
|
|
}
|
|
else
|
|
{
|
|
if (!string.IsNullOrWhiteSpace(state.Request.DeviceId))
|
|
{
|
|
var caps = DeviceManager.GetCapabilities(state.Request.DeviceId);
|
|
|
|
if (caps != null)
|
|
{
|
|
state.DeviceProfile = caps.DeviceProfile;
|
|
}
|
|
else
|
|
{
|
|
state.DeviceProfile = DlnaManager.GetProfile(headers);
|
|
}
|
|
}
|
|
}
|
|
|
|
var profile = state.DeviceProfile;
|
|
|
|
if (profile == null)
|
|
{
|
|
// Don't use settings from the default profile.
|
|
// Only use a specific profile if it was requested.
|
|
return;
|
|
}
|
|
|
|
var audioCodec = state.ActualOutputAudioCodec;
|
|
var videoCodec = state.ActualOutputVideoCodec;
|
|
|
|
var mediaProfile = state.VideoRequest == null ?
|
|
profile.GetAudioMediaProfile(state.OutputContainer, audioCodec, state.OutputAudioChannels, state.OutputAudioBitrate, state.OutputAudioSampleRate) :
|
|
profile.GetVideoMediaProfile(state.OutputContainer,
|
|
audioCodec,
|
|
videoCodec,
|
|
state.OutputWidth,
|
|
state.OutputHeight,
|
|
state.TargetVideoBitDepth,
|
|
state.OutputVideoBitrate,
|
|
state.TargetVideoProfile,
|
|
state.TargetVideoLevel,
|
|
state.TargetFramerate,
|
|
state.TargetPacketLength,
|
|
state.TargetTimestamp,
|
|
state.IsTargetAnamorphic,
|
|
state.IsTargetInterlaced,
|
|
state.TargetRefFrames,
|
|
state.TargetVideoStreamCount,
|
|
state.TargetAudioStreamCount,
|
|
state.TargetVideoCodecTag,
|
|
state.IsTargetAVC);
|
|
|
|
if (mediaProfile != null)
|
|
{
|
|
state.MimeType = mediaProfile.MimeType;
|
|
}
|
|
|
|
if (!state.Request.Static)
|
|
{
|
|
var transcodingProfile = state.VideoRequest == null ?
|
|
profile.GetAudioTranscodingProfile(state.OutputContainer, audioCodec) :
|
|
profile.GetVideoTranscodingProfile(state.OutputContainer, audioCodec, videoCodec);
|
|
|
|
if (transcodingProfile != null)
|
|
{
|
|
state.EstimateContentLength = transcodingProfile.EstimateContentLength;
|
|
state.EnableMpegtsM2TsMode = transcodingProfile.EnableMpegtsM2TsMode;
|
|
state.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
|
|
|
|
if (state.VideoRequest != null)
|
|
{
|
|
state.VideoRequest.CopyTimestamps = transcodingProfile.CopyTimestamps;
|
|
state.VideoRequest.EnableSubtitlesInManifest = transcodingProfile.EnableSubtitlesInManifest;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Adds the dlna headers.
|
|
/// </summary>
|
|
/// <param name="state">The state.</param>
|
|
/// <param name="responseHeaders">The response headers.</param>
|
|
/// <param name="isStaticallyStreamed">if set to <c>true</c> [is statically streamed].</param>
|
|
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
|
|
protected void AddDlnaHeaders(StreamState state, IDictionary<string, string> responseHeaders, bool isStaticallyStreamed)
|
|
{
|
|
if (!state.EnableDlnaHeaders)
|
|
{
|
|
return;
|
|
}
|
|
|
|
var profile = state.DeviceProfile;
|
|
|
|
var transferMode = GetHeader("transferMode.dlna.org");
|
|
responseHeaders["transferMode.dlna.org"] = string.IsNullOrEmpty(transferMode) ? "Streaming" : transferMode;
|
|
responseHeaders["realTimeInfo.dlna.org"] = "DLNA.ORG_TLAG=*";
|
|
|
|
if (string.Equals(GetHeader("getMediaInfo.sec"), "1", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
if (state.RunTimeTicks.HasValue)
|
|
{
|
|
var ms = TimeSpan.FromTicks(state.RunTimeTicks.Value).TotalMilliseconds;
|
|
responseHeaders["MediaInfo.sec"] = string.Format("SEC_Duration={0};", Convert.ToInt32(ms).ToString(CultureInfo.InvariantCulture));
|
|
}
|
|
}
|
|
|
|
if (state.RunTimeTicks.HasValue && !isStaticallyStreamed && profile != null)
|
|
{
|
|
AddTimeSeekResponseHeaders(state, responseHeaders);
|
|
}
|
|
|
|
if (profile == null)
|
|
{
|
|
profile = DlnaManager.GetDefaultProfile();
|
|
}
|
|
|
|
var audioCodec = state.ActualOutputAudioCodec;
|
|
|
|
if (state.VideoRequest == null)
|
|
{
|
|
responseHeaders["contentFeatures.dlna.org"] = new ContentFeatureBuilder(profile)
|
|
.BuildAudioHeader(
|
|
state.OutputContainer,
|
|
audioCodec,
|
|
state.OutputAudioBitrate,
|
|
state.OutputAudioSampleRate,
|
|
state.OutputAudioChannels,
|
|
isStaticallyStreamed,
|
|
state.RunTimeTicks,
|
|
state.TranscodeSeekInfo
|
|
);
|
|
}
|
|
else
|
|
{
|
|
var videoCodec = state.ActualOutputVideoCodec;
|
|
|
|
responseHeaders["contentFeatures.dlna.org"] = new ContentFeatureBuilder(profile)
|
|
.BuildVideoHeader(
|
|
state.OutputContainer,
|
|
videoCodec,
|
|
audioCodec,
|
|
state.OutputWidth,
|
|
state.OutputHeight,
|
|
state.TargetVideoBitDepth,
|
|
state.OutputVideoBitrate,
|
|
state.TargetTimestamp,
|
|
isStaticallyStreamed,
|
|
state.RunTimeTicks,
|
|
state.TargetVideoProfile,
|
|
state.TargetVideoLevel,
|
|
state.TargetFramerate,
|
|
state.TargetPacketLength,
|
|
state.TranscodeSeekInfo,
|
|
state.IsTargetAnamorphic,
|
|
state.IsTargetInterlaced,
|
|
state.TargetRefFrames,
|
|
state.TargetVideoStreamCount,
|
|
state.TargetAudioStreamCount,
|
|
state.TargetVideoCodecTag,
|
|
state.IsTargetAVC
|
|
|
|
).FirstOrDefault() ?? string.Empty;
|
|
}
|
|
|
|
foreach (var item in responseHeaders)
|
|
{
|
|
Request.Response.AddHeader(item.Key, item.Value);
|
|
}
|
|
}
|
|
|
|
private void AddTimeSeekResponseHeaders(StreamState state, IDictionary<string, string> responseHeaders)
|
|
{
|
|
var runtimeSeconds = TimeSpan.FromTicks(state.RunTimeTicks.Value).TotalSeconds.ToString(UsCulture);
|
|
var startSeconds = TimeSpan.FromTicks(state.Request.StartTimeTicks ?? 0).TotalSeconds.ToString(UsCulture);
|
|
|
|
responseHeaders["TimeSeekRange.dlna.org"] = string.Format("npt={0}-{1}/{1}", startSeconds, runtimeSeconds);
|
|
responseHeaders["X-AvailableSeekRange"] = string.Format("1 npt={0}-{1}", startSeconds, runtimeSeconds);
|
|
}
|
|
}
|
|
}
|