diff options
| author | crobibero <cody@robibe.ro> | 2020-09-11 15:53:04 -0600 |
|---|---|---|
| committer | crobibero <cody@robibe.ro> | 2020-09-11 15:53:04 -0600 |
| commit | f13b87afa3e81e7fa2710caec58a7d6cb20f7635 (patch) | |
| tree | 0f269ac5baa27b334c5377d9dec4010aedf25183 /MediaBrowser.Api/Playback/BaseStreamingService.cs | |
| parent | 2363ad544979adf32207fa927f106fadb784f1fb (diff) | |
| parent | 6bf0acb854683377bebad3ca27de17706519c420 (diff) | |
Merge remote-tracking branch 'upstream/master' into api-upload-subtitle
Diffstat (limited to 'MediaBrowser.Api/Playback/BaseStreamingService.cs')
| -rw-r--r-- | MediaBrowser.Api/Playback/BaseStreamingService.cs | 1003 |
1 files changed, 0 insertions, 1003 deletions
diff --git a/MediaBrowser.Api/Playback/BaseStreamingService.cs b/MediaBrowser.Api/Playback/BaseStreamingService.cs deleted file mode 100644 index 928ca1612..000000000 --- a/MediaBrowser.Api/Playback/BaseStreamingService.cs +++ /dev/null @@ -1,1003 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Diagnostics; -using System.Globalization; -using System.IO; -using System.Linq; -using System.Text; -using System.Threading; -using System.Threading.Tasks; -using MediaBrowser.Common.Configuration; -using MediaBrowser.Common.Extensions; -using MediaBrowser.Controller.Configuration; -using MediaBrowser.Controller.Devices; -using MediaBrowser.Controller.Dlna; -using MediaBrowser.Controller.Library; -using MediaBrowser.Controller.MediaEncoding; -using MediaBrowser.Controller.Net; -using MediaBrowser.Model.Configuration; -using MediaBrowser.Model.Dlna; -using MediaBrowser.Model.Dto; -using MediaBrowser.Model.Entities; -using MediaBrowser.Model.IO; -using MediaBrowser.Model.MediaInfo; -using MediaBrowser.Model.Serialization; -using Microsoft.Extensions.Logging; - -namespace MediaBrowser.Api.Playback -{ - /// <summary> - /// Class BaseStreamingService - /// </summary> - public abstract class BaseStreamingService : BaseApiService - { - protected virtual bool EnableOutputInSubFolder => false; - - /// <summary> - /// Gets or sets the user manager. - /// </summary> - /// <value>The user manager.</value> - protected IUserManager UserManager { get; private set; } - - /// <summary> - /// Gets or sets the library manager. - /// </summary> - /// <value>The library manager.</value> - protected ILibraryManager LibraryManager { get; private set; } - - /// <summary> - /// Gets or sets the iso manager. - /// </summary> - /// <value>The iso manager.</value> - protected IIsoManager IsoManager { get; private set; } - - /// <summary> - /// Gets or sets the media encoder. - /// </summary> - /// <value>The media encoder.</value> - protected IMediaEncoder MediaEncoder { get; private set; } - - protected IFileSystem FileSystem { get; private set; } - - protected IDlnaManager DlnaManager { get; private set; } - - protected IDeviceManager DeviceManager { get; private set; } - - protected IMediaSourceManager MediaSourceManager { get; private set; } - - protected IJsonSerializer JsonSerializer { get; private set; } - - protected IAuthorizationContext AuthorizationContext { get; private set; } - - protected EncodingHelper EncodingHelper { get; set; } - - /// <summary> - /// Gets the type of the transcoding job. - /// </summary> - /// <value>The type of the transcoding job.</value> - protected abstract TranscodingJobType TranscodingJobType { get; } - - /// <summary> - /// Initializes a new instance of the <see cref="BaseStreamingService" /> class. - /// </summary> - protected BaseStreamingService( - ILogger logger, - IServerConfigurationManager serverConfigurationManager, - IHttpResultFactory httpResultFactory, - IUserManager userManager, - ILibraryManager libraryManager, - IIsoManager isoManager, - IMediaEncoder mediaEncoder, - IFileSystem fileSystem, - IDlnaManager dlnaManager, - IDeviceManager deviceManager, - IMediaSourceManager mediaSourceManager, - IJsonSerializer jsonSerializer, - IAuthorizationContext authorizationContext, - EncodingHelper encodingHelper) - : base(logger, serverConfigurationManager, httpResultFactory) - { - UserManager = userManager; - LibraryManager = libraryManager; - IsoManager = isoManager; - MediaEncoder = mediaEncoder; - FileSystem = fileSystem; - DlnaManager = dlnaManager; - DeviceManager = deviceManager; - MediaSourceManager = mediaSourceManager; - JsonSerializer = jsonSerializer; - AuthorizationContext = authorizationContext; - - EncodingHelper = encodingHelper; - } - - /// <summary> - /// Gets the command line arguments. - /// </summary> - protected abstract string GetCommandLineArguments(string outputPath, EncodingOptions encodingOptions, StreamState state, bool isEncoding); - - /// <summary> - /// Gets the output file extension. - /// </summary> - /// <param name="state">The state.</param> - /// <returns>System.String.</returns> - protected virtual string GetOutputFileExtension(StreamState state) - { - return Path.GetExtension(state.RequestedUrl); - } - - /// <summary> - /// Gets the output file path. - /// </summary> - private string GetOutputFilePath(StreamState state, EncodingOptions encodingOptions, string outputFileExtension) - { - var data = $"{state.MediaPath}-{state.UserAgent}-{state.Request.DeviceId}-{state.Request.PlaySessionId}"; - - var filename = data.GetMD5().ToString("N", CultureInfo.InvariantCulture); - var ext = outputFileExtension?.ToLowerInvariant(); - var folder = ServerConfigurationManager.GetTranscodePath(); - - return EnableOutputInSubFolder - ? Path.Combine(folder, filename, filename + ext) - : Path.Combine(folder, filename + ext); - } - - protected virtual string GetDefaultEncoderPreset() - { - return "superfast"; - } - - private async Task AcquireResources(StreamState state, CancellationTokenSource cancellationTokenSource) - { - if (state.VideoType == VideoType.Iso && state.IsoType.HasValue && IsoManager.CanMount(state.MediaPath)) - { - state.IsoMount = await IsoManager.Mount(state.MediaPath, cancellationTokenSource.Token).ConfigureAwait(false); - } - - if (state.MediaSource.RequiresOpening && string.IsNullOrWhiteSpace(state.Request.LiveStreamId)) - { - var liveStreamResponse = await MediaSourceManager.OpenLiveStream(new LiveStreamRequest - { - OpenToken = state.MediaSource.OpenToken - }, cancellationTokenSource.Token).ConfigureAwait(false); - - EncodingHelper.AttachMediaSourceInfo(state, liveStreamResponse.MediaSource, state.RequestedUrl); - - if (state.VideoRequest != null) - { - EncodingHelper.TryStreamCopy(state); - } - } - - if (state.MediaSource.BufferMs.HasValue) - { - await Task.Delay(state.MediaSource.BufferMs.Value, cancellationTokenSource.Token).ConfigureAwait(false); - } - } - - /// <summary> - /// Starts the FFMPEG. - /// </summary> - /// <param name="state">The state.</param> - /// <param name="outputPath">The output path.</param> - /// <param name="cancellationTokenSource">The cancellation token source.</param> - /// <param name="workingDirectory">The working directory.</param> - /// <returns>Task.</returns> - protected async Task<TranscodingJob> StartFfMpeg( - StreamState state, - string outputPath, - CancellationTokenSource cancellationTokenSource, - string workingDirectory = null) - { - Directory.CreateDirectory(Path.GetDirectoryName(outputPath)); - - await AcquireResources(state, cancellationTokenSource).ConfigureAwait(false); - - if (state.VideoRequest != null && !string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase)) - { - var auth = AuthorizationContext.GetAuthorizationInfo(Request); - if (auth.User != null && !auth.User.Policy.EnableVideoPlaybackTranscoding) - { - ApiEntryPoint.Instance.OnTranscodeFailedToStart(outputPath, TranscodingJobType, state); - - throw new ArgumentException("User does not have access to video transcoding"); - } - } - - var encodingOptions = ServerConfigurationManager.GetEncodingOptions(); - - var process = new Process() - { - StartInfo = new ProcessStartInfo() - { - WindowStyle = ProcessWindowStyle.Hidden, - CreateNoWindow = true, - UseShellExecute = false, - - // Must consume both stdout and stderr or deadlocks may occur - //RedirectStandardOutput = true, - RedirectStandardError = true, - RedirectStandardInput = true, - - FileName = MediaEncoder.EncoderPath, - Arguments = GetCommandLineArguments(outputPath, encodingOptions, state, true), - WorkingDirectory = string.IsNullOrWhiteSpace(workingDirectory) ? null : workingDirectory, - - ErrorDialog = false - }, - EnableRaisingEvents = true - }; - - var transcodingJob = ApiEntryPoint.Instance.OnTranscodeBeginning(outputPath, - state.Request.PlaySessionId, - state.MediaSource.LiveStreamId, - Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture), - TranscodingJobType, - process, - state.Request.DeviceId, - state, - cancellationTokenSource); - - var commandLineLogMessage = process.StartInfo.FileName + " " + process.StartInfo.Arguments; - Logger.LogInformation(commandLineLogMessage); - - var logFilePrefix = "ffmpeg-transcode"; - if (state.VideoRequest != null - && string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase)) - { - logFilePrefix = string.Equals(state.OutputAudioCodec, "copy", StringComparison.OrdinalIgnoreCase) - ? "ffmpeg-remux" : "ffmpeg-directstream"; - } - - var logFilePath = Path.Combine(ServerConfigurationManager.ApplicationPaths.LogDirectoryPath, logFilePrefix + "-" + Guid.NewGuid() + ".txt"); - - // FFMpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory. - Stream logStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, IODefaults.FileStreamBufferSize, true); - - var commandLineLogMessageBytes = Encoding.UTF8.GetBytes(Request.AbsoluteUri + Environment.NewLine + Environment.NewLine + JsonSerializer.SerializeToString(state.MediaSource) + Environment.NewLine + Environment.NewLine + commandLineLogMessage + Environment.NewLine + Environment.NewLine); - await logStream.WriteAsync(commandLineLogMessageBytes, 0, commandLineLogMessageBytes.Length, cancellationTokenSource.Token).ConfigureAwait(false); - - process.Exited += (sender, args) => OnFfMpegProcessExited(process, transcodingJob, state); - - try - { - process.Start(); - } - catch (Exception ex) - { - Logger.LogError(ex, "Error starting ffmpeg"); - - ApiEntryPoint.Instance.OnTranscodeFailedToStart(outputPath, TranscodingJobType, state); - - throw; - } - - Logger.LogDebug("Launched ffmpeg process"); - state.TranscodingJob = transcodingJob; - - // Important - don't await the log task or we won't be able to kill ffmpeg when the user stops playback - _ = new JobLogger(Logger).StartStreamingLog(state, process.StandardError.BaseStream, logStream); - - // Wait for the file to exist before proceeeding - var ffmpegTargetFile = state.WaitForPath ?? outputPath; - Logger.LogDebug("Waiting for the creation of {0}", ffmpegTargetFile); - while (!File.Exists(ffmpegTargetFile) && !transcodingJob.HasExited) - { - await Task.Delay(100, cancellationTokenSource.Token).ConfigureAwait(false); - } - - Logger.LogDebug("File {0} created or transcoding has finished", ffmpegTargetFile); - - if (state.IsInputVideo && transcodingJob.Type == TranscodingJobType.Progressive && !transcodingJob.HasExited) - { - await Task.Delay(1000, cancellationTokenSource.Token).ConfigureAwait(false); - - if (state.ReadInputAtNativeFramerate && !transcodingJob.HasExited) - { - await Task.Delay(1500, cancellationTokenSource.Token).ConfigureAwait(false); - } - } - - if (!transcodingJob.HasExited) - { - StartThrottler(state, transcodingJob); - } - Logger.LogDebug("StartFfMpeg() finished successfully"); - - return transcodingJob; - } - - private void StartThrottler(StreamState state, TranscodingJob transcodingJob) - { - if (EnableThrottling(state)) - { - transcodingJob.TranscodingThrottler = state.TranscodingThrottler = new TranscodingThrottler(transcodingJob, Logger, ServerConfigurationManager, FileSystem); - state.TranscodingThrottler.Start(); - } - } - - private bool EnableThrottling(StreamState state) - { - var encodingOptions = ServerConfigurationManager.GetEncodingOptions(); - - // enable throttling when NOT using hardware acceleration - if (string.IsNullOrEmpty(encodingOptions.HardwareAccelerationType)) - { - return state.InputProtocol == MediaProtocol.File && - state.RunTimeTicks.HasValue && - state.RunTimeTicks.Value >= TimeSpan.FromMinutes(5).Ticks && - state.IsInputVideo && - state.VideoType == VideoType.VideoFile && - !string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase); - } - - return false; - } - - /// <summary> - /// Processes the exited. - /// </summary> - /// <param name="process">The process.</param> - /// <param name="job">The job.</param> - /// <param name="state">The state.</param> - private void OnFfMpegProcessExited(Process process, TranscodingJob job, StreamState state) - { - if (job != null) - { - job.HasExited = true; - } - - Logger.LogDebug("Disposing stream resources"); - state.Dispose(); - - if (process.ExitCode == 0) - { - Logger.LogInformation("FFMpeg exited with code 0"); - } - else - { - Logger.LogError("FFMpeg exited with code {0}", process.ExitCode); - } - - process.Dispose(); - } - - /// <summary> - /// Parses the parameters. - /// </summary> - /// <param name="request">The request.</param> - private void ParseParams(StreamRequest request) - { - var vals = request.Params.Split(';'); - - var videoRequest = request as VideoStreamRequest; - - for (var i = 0; i < vals.Length; i++) - { - var val = vals[i]; - - if (string.IsNullOrWhiteSpace(val)) - { - continue; - } - - switch (i) - { - case 0: - request.DeviceProfileId = val; - break; - case 1: - request.DeviceId = val; - break; - case 2: - request.MediaSourceId = val; - break; - case 3: - request.Static = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); - break; - case 4: - if (videoRequest != null) - { - videoRequest.VideoCodec = val; - } - - break; - case 5: - request.AudioCodec = val; - break; - case 6: - if (videoRequest != null) - { - videoRequest.AudioStreamIndex = int.Parse(val, CultureInfo.InvariantCulture); - } - - break; - case 7: - if (videoRequest != null) - { - videoRequest.SubtitleStreamIndex = int.Parse(val, CultureInfo.InvariantCulture); - } - - break; - case 8: - if (videoRequest != null) - { - videoRequest.VideoBitRate = int.Parse(val, CultureInfo.InvariantCulture); - } - - break; - case 9: - request.AudioBitRate = int.Parse(val, CultureInfo.InvariantCulture); - break; - case 10: - request.MaxAudioChannels = int.Parse(val, CultureInfo.InvariantCulture); - break; - case 11: - if (videoRequest != null) - { - videoRequest.MaxFramerate = float.Parse(val, CultureInfo.InvariantCulture); - } - - break; - case 12: - if (videoRequest != null) - { - videoRequest.MaxWidth = int.Parse(val, CultureInfo.InvariantCulture); - } - - break; - case 13: - if (videoRequest != null) - { - videoRequest.MaxHeight = int.Parse(val, CultureInfo.InvariantCulture); - } - - break; - case 14: - request.StartTimeTicks = long.Parse(val, CultureInfo.InvariantCulture); - break; - case 15: - if (videoRequest != null) - { - videoRequest.Level = val; - } - - break; - case 16: - if (videoRequest != null) - { - videoRequest.MaxRefFrames = int.Parse(val, CultureInfo.InvariantCulture); - } - - break; - case 17: - if (videoRequest != null) - { - videoRequest.MaxVideoBitDepth = int.Parse(val, CultureInfo.InvariantCulture); - } - - break; - case 18: - if (videoRequest != null) - { - videoRequest.Profile = val; - } - - break; - case 19: - // cabac no longer used - break; - case 20: - request.PlaySessionId = val; - break; - case 21: - // api_key - break; - case 22: - request.LiveStreamId = val; - break; - case 23: - // Duplicating ItemId because of MediaMonkey - break; - case 24: - if (videoRequest != null) - { - videoRequest.CopyTimestamps = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); - } - - break; - case 25: - if (!string.IsNullOrWhiteSpace(val) && videoRequest != null) - { - if (Enum.TryParse(val, out SubtitleDeliveryMethod method)) - { - videoRequest.SubtitleMethod = method; - } - } - - break; - case 26: - request.TranscodingMaxAudioChannels = int.Parse(val, CultureInfo.InvariantCulture); - break; - case 27: - if (videoRequest != null) - { - videoRequest.EnableSubtitlesInManifest = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); - } - - break; - case 28: - request.Tag = val; - break; - case 29: - if (videoRequest != null) - { - videoRequest.RequireAvc = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); - } - - break; - case 30: - request.SubtitleCodec = val; - break; - case 31: - if (videoRequest != null) - { - videoRequest.RequireNonAnamorphic = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); - } - - break; - case 32: - if (videoRequest != null) - { - videoRequest.DeInterlace = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); - } - - break; - case 33: - request.TranscodeReasons = val; - break; - } - } - } - - /// <summary> - /// Parses query parameters as StreamOptions. - /// </summary> - /// <param name="request">The stream request.</param> - private void ParseStreamOptions(StreamRequest request) - { - foreach (var param in Request.QueryString) - { - if (char.IsLower(param.Key[0])) - { - // This was probably not parsed initially and should be a StreamOptions - // TODO: This should be incorporated either in the lower framework for parsing requests - // or the generated URL should correctly serialize it - request.StreamOptions[param.Key] = param.Value; - } - } - } - - /// <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; - } - - const string Npt = "npt="; - if (!value.StartsWith(Npt, StringComparison.OrdinalIgnoreCase)) - { - throw new ArgumentException("Invalid timeseek header"); - } - int index = value.IndexOf('-'); - value = index == -1 - ? value.Substring(Npt.Length) - : value.Substring(Npt.Length, index - Npt.Length); - - if (value.IndexOf(':') == -1) - { - // Parses npt times in the format of '417.33' - if (double.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var 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) - { - if (double.TryParse(time, NumberStyles.Any, CultureInfo.InvariantCulture, out var 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); - } - - ParseStreamOptions(request); - - var url = Request.PathInfo; - - if (string.IsNullOrEmpty(request.AudioCodec)) - { - request.AudioCodec = EncodingHelper.InferAudioCodec(url); - } - - var enableDlnaHeaders = !string.IsNullOrWhiteSpace(request.Params) || - string.Equals(GetHeader("GetContentFeatures.DLNA.ORG"), "1", StringComparison.OrdinalIgnoreCase); - - var state = new StreamState(MediaSourceManager, TranscodingJobType) - { - Request = request, - RequestedUrl = url, - UserAgent = Request.UserAgent, - EnableDlnaHeaders = enableDlnaHeaders - }; - - var auth = AuthorizationContext.GetAuthorizationInfo(Request); - if (!auth.UserId.Equals(Guid.Empty)) - { - 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 && !string.IsNullOrWhiteSpace(state.VideoRequest.VideoCodec)) - { - state.SupportedVideoCodecs = state.VideoRequest.VideoCodec.Split(',').Where(i => !string.IsNullOrWhiteSpace(i)).ToArray(); - state.VideoRequest.VideoCodec = state.SupportedVideoCodecs.FirstOrDefault(); - } - - if (!string.IsNullOrWhiteSpace(request.AudioCodec)) - { - state.SupportedAudioCodecs = request.AudioCodec.Split(',').Where(i => !string.IsNullOrWhiteSpace(i)).ToArray(); - 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)).ToArray(); - 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)) - { - var currentJob = !string.IsNullOrWhiteSpace(request.PlaySessionId) ? - ApiEntryPoint.Instance.GetTranscodingJob(request.PlaySessionId) - : null; - - if (currentJob != null) - { - mediaSource = currentJob.MediaSource; - } - - if (mediaSource == null) - { - var mediaSources = await MediaSourceManager.GetPlaybackMediaSources(LibraryManager.GetItemById(request.Id), null, false, false, cancellationToken).ConfigureAwait(false); - - mediaSource = string.IsNullOrEmpty(request.MediaSourceId) - ? mediaSources[0] - : mediaSources.Find(i => string.Equals(i.Id, request.MediaSourceId)); - - if (mediaSource == null && Guid.Parse(request.MediaSourceId) == request.Id) - { - mediaSource = mediaSources[0]; - } - } - } - 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 ? - StreamBuilder.NormalizeMediaSourceFormatIntoSingleContainer(state.InputContainer, state.MediaPath, null, DlnaProfileType.Audio) : - GetOutputFileExtension(state); - } - - state.OutputContainer = (container ?? string.Empty).TrimStart('.'); - - state.OutputAudioBitrate = EncodingHelper.GetAudioBitrateParam(state.Request, state.AudioStream); - - state.OutputAudioCodec = state.Request.AudioCodec; - - state.OutputAudioChannels = EncodingHelper.GetNumAudioChannelsParam(state, 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?.BitRate, - state.VideoStream?.Width, - state.VideoStream?.Height, - state.OutputVideoBitrate.Value, - state.VideoStream?.Codec, - state.OutputVideoCodec, - videoRequest.MaxWidth, - videoRequest.MaxHeight); - - videoRequest.MaxWidth = resolution.MaxWidth; - videoRequest.MaxHeight = resolution.MaxHeight; - } - } - - ApplyDeviceProfileSettings(state); - - var ext = string.IsNullOrWhiteSpace(state.OutputContainer) - ? GetOutputFileExtension(state) - : ('.' + state.OutputContainer); - - var encodingOptions = ServerConfigurationManager.GetEncodingOptions(); - - state.OutputFilePath = GetOutputFilePath(state, encodingOptions, ext); - - return state; - } - - private void ApplyDeviceProfileSettings(StreamState state) - { - var headers = Request.Headers; - - 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); - - state.DeviceProfile = caps == null ? DlnaManager.GetProfile(headers) : caps.DeviceProfile; - } - - 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, state.OutputAudioBitDepth) : - 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 (state.RunTimeTicks.HasValue) - { - if (string.Equals(GetHeader("getMediaInfo.sec"), "1", StringComparison.OrdinalIgnoreCase)) - { - var ms = TimeSpan.FromTicks(state.RunTimeTicks.Value).TotalMilliseconds; - responseHeaders["MediaInfo.sec"] = string.Format( - CultureInfo.InvariantCulture, - "SEC_Duration={0};", - Convert.ToInt32(ms)); - } - - if (!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, - state.OutputAudioBitDepth, - 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; - } - } - - private void AddTimeSeekResponseHeaders(StreamState state, IDictionary<string, string> responseHeaders) - { - var runtimeSeconds = TimeSpan.FromTicks(state.RunTimeTicks.Value).TotalSeconds.ToString(CultureInfo.InvariantCulture); - var startSeconds = TimeSpan.FromTicks(state.Request.StartTimeTicks ?? 0).TotalSeconds.ToString(CultureInfo.InvariantCulture); - - responseHeaders["TimeSeekRange.dlna.org"] = string.Format( - CultureInfo.InvariantCulture, - "npt={0}-{1}/{1}", - startSeconds, - runtimeSeconds); - responseHeaders["X-AvailableSeekRange"] = string.Format( - CultureInfo.InvariantCulture, - "1 npt={0}-{1}", - startSeconds, - runtimeSeconds); - } - } -} |
