diff options
Diffstat (limited to 'MediaBrowser.Api/Playback/BaseStreamingService.cs')
| -rw-r--r-- | MediaBrowser.Api/Playback/BaseStreamingService.cs | 189 |
1 files changed, 84 insertions, 105 deletions
diff --git a/MediaBrowser.Api/Playback/BaseStreamingService.cs b/MediaBrowser.Api/Playback/BaseStreamingService.cs index ae259a4f5..399401624 100644 --- a/MediaBrowser.Api/Playback/BaseStreamingService.cs +++ b/MediaBrowser.Api/Playback/BaseStreamingService.cs @@ -8,7 +8,6 @@ using System.Text; using System.Threading; using System.Threading.Tasks; using MediaBrowser.Common.Extensions; -using MediaBrowser.Controller; using MediaBrowser.Controller.Configuration; using MediaBrowser.Controller.Devices; using MediaBrowser.Controller.Dlna; @@ -16,7 +15,6 @@ using MediaBrowser.Controller.Library; using MediaBrowser.Controller.MediaEncoding; using MediaBrowser.Controller.Net; using MediaBrowser.Model.Configuration; -using MediaBrowser.Model.Diagnostics; using MediaBrowser.Model.Dlna; using MediaBrowser.Model.Dto; using MediaBrowser.Model.Entities; @@ -32,6 +30,8 @@ namespace MediaBrowser.Api.Playback /// </summary> public abstract class BaseStreamingService : BaseApiService { + protected virtual bool EnableOutputInSubFolder => false; + /// <summary> /// Gets or sets the application paths. /// </summary> @@ -65,9 +65,13 @@ namespace MediaBrowser.Api.Playback protected IFileSystem FileSystem { get; private set; } protected IDlnaManager DlnaManager { get; private set; } + protected IDeviceManager DeviceManager { get; private set; } + protected ISubtitleEncoder SubtitleEncoder { get; private set; } + protected IMediaSourceManager MediaSourceManager { get; private set; } + protected IJsonSerializer JsonSerializer { get; private set; } protected IAuthorizationContext AuthorizationContext { get; private set; } @@ -75,6 +79,12 @@ namespace MediaBrowser.Api.Playback 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( @@ -113,12 +123,6 @@ namespace MediaBrowser.Api.Playback protected abstract string GetCommandLineArguments(string outputPath, EncodingOptions encodingOptions, StreamState state, bool isEncoding); /// <summary> - /// Gets the type of the transcoding job. - /// </summary> - /// <value>The type of the transcoding job.</value> - protected abstract TranscodingJobType TranscodingJobType { get; } - - /// <summary> /// Gets the output file extension. /// </summary> /// <param name="state">The state.</param> @@ -133,31 +137,24 @@ namespace MediaBrowser.Api.Playback /// </summary> private string GetOutputFilePath(StreamState state, EncodingOptions encodingOptions, string outputFileExtension) { - var folder = ServerConfigurationManager.ApplicationPaths.TranscodingTempPath; - var data = GetCommandLineArguments("dummy\\dummy", encodingOptions, state, false); - data += "-" + (state.Request.DeviceId ?? string.Empty); - data += "-" + (state.Request.PlaySessionId ?? string.Empty); + data += "-" + (state.Request.DeviceId ?? string.Empty) + + "-" + (state.Request.PlaySessionId ?? string.Empty); - var dataHash = data.GetMD5().ToString("N"); + var filename = data.GetMD5().ToString("N"); + var ext = outputFileExtension.ToLowerInvariant(); + var folder = ServerConfigurationManager.ApplicationPaths.TranscodingTempPath; if (EnableOutputInSubFolder) { - return Path.Combine(folder, dataHash, dataHash + (outputFileExtension ?? string.Empty).ToLowerInvariant()); + return Path.Combine(folder, filename, filename + ext); } - return Path.Combine(folder, dataHash + (outputFileExtension ?? string.Empty).ToLowerInvariant()); + return Path.Combine(folder, filename + ext); } - protected virtual bool EnableOutputInSubFolder => false; - - protected readonly CultureInfo UsCulture = new CultureInfo("en-US"); - - protected virtual string GetDefaultH264Preset() - { - return "superfast"; - } + protected virtual string GetDefaultH264Preset() => "superfast"; private async Task AcquireResources(StreamState state, CancellationTokenSource cancellationTokenSource) { @@ -171,7 +168,6 @@ namespace MediaBrowser.Api.Playback var liveStreamResponse = await MediaSourceManager.OpenLiveStream(new LiveStreamRequest { OpenToken = state.MediaSource.OpenToken - }, cancellationTokenSource.Token).ConfigureAwait(false); EncodingHelper.AttachMediaSourceInfo(state, liveStreamResponse.MediaSource, state.RequestedUrl); @@ -209,22 +205,16 @@ namespace MediaBrowser.Api.Playback if (state.VideoRequest != null && !string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase)) { var auth = AuthorizationContext.GetAuthorizationInfo(Request); - if (auth.User != null) + if (auth.User != null && !auth.User.Policy.EnableVideoPlaybackTranscoding) { - if (!auth.User.Policy.EnableVideoPlaybackTranscoding) - { - ApiEntryPoint.Instance.OnTranscodeFailedToStart(outputPath, TranscodingJobType, state); + ApiEntryPoint.Instance.OnTranscodeFailedToStart(outputPath, TranscodingJobType, state); - throw new ArgumentException("User does not have access to video transcoding"); - } + throw new ArgumentException("User does not have access to video transcoding"); } } var encodingOptions = ApiEntryPoint.Instance.GetEncodingOptions(); - var transcodingId = Guid.NewGuid().ToString("N"); - var commandLineArgs = GetCommandLineArguments(outputPath, encodingOptions, state, true); - var process = new Process() { StartInfo = new ProcessStartInfo() @@ -239,7 +229,7 @@ namespace MediaBrowser.Api.Playback RedirectStandardInput = true, FileName = MediaEncoder.EncoderPath, - Arguments = commandLineArgs, + Arguments = GetCommandLineArguments(outputPath, encodingOptions, state, true), WorkingDirectory = string.IsNullOrWhiteSpace(workingDirectory) ? null : workingDirectory, ErrorDialog = false @@ -250,7 +240,7 @@ namespace MediaBrowser.Api.Playback var transcodingJob = ApiEntryPoint.Instance.OnTranscodeBeginning(outputPath, state.Request.PlaySessionId, state.MediaSource.LiveStreamId, - transcodingId, + Guid.NewGuid().ToString("N"), TranscodingJobType, process, state.Request.DeviceId, @@ -261,27 +251,26 @@ namespace MediaBrowser.Api.Playback Logger.LogInformation(commandLineLogMessage); var logFilePrefix = "ffmpeg-transcode"; - if (state.VideoRequest != null) + if (state.VideoRequest != null + && string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase)) { - if (string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase) - && string.Equals(state.OutputAudioCodec, "copy", StringComparison.OrdinalIgnoreCase)) + if (string.Equals(state.OutputAudioCodec, "copy", StringComparison.OrdinalIgnoreCase)) { logFilePrefix = "ffmpeg-directstream"; } - else if (string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase)) + else { logFilePrefix = "ffmpeg-remux"; } } var logFilePath = Path.Combine(ServerConfigurationManager.ApplicationPaths.LogDirectoryPath, logFilePrefix + "-" + Guid.NewGuid() + ".txt"); - Directory.CreateDirectory(Path.GetDirectoryName(logFilePath)); // FFMpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory. - state.LogFileStream = FileSystem.GetFileStream(logFilePath, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, true); + Stream logStream = FileSystem.GetFileStream(logFilePath, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, 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 state.LogFileStream.WriteAsync(commandLineLogMessageBytes, 0, commandLineLogMessageBytes.Length, cancellationTokenSource.Token).ConfigureAwait(false); + await logStream.WriteAsync(commandLineLogMessageBytes, 0, commandLineLogMessageBytes.Length, cancellationTokenSource.Token).ConfigureAwait(false); process.Exited += (sender, args) => OnFfMpegProcessExited(process, transcodingJob, state); @@ -298,13 +287,10 @@ namespace MediaBrowser.Api.Playback throw; } - // MUST read both stdout and stderr asynchronously or a deadlock may occurr - //process.BeginOutputReadLine(); - 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, state.LogFileStream); + _ = new JobLogger(Logger).StartStreamingLog(state, process.StandardError.BaseStream, logStream); // Wait for the file to exist before proceeeding while (!File.Exists(state.WaitForPath ?? outputPath) && !transcodingJob.HasExited) @@ -368,25 +354,16 @@ namespace MediaBrowser.Api.Playback Logger.LogDebug("Disposing stream resources"); state.Dispose(); - try + if (process.ExitCode == 0) { - Logger.LogInformation("FFMpeg exited with code {0}", process.ExitCode); + Logger.LogInformation("FFMpeg exited with code 0"); } - catch + else { - Logger.LogError("FFMpeg exited with an error."); + Logger.LogError("FFMpeg exited with code {0}", process.ExitCode); } - // This causes on exited to be called twice: - //try - //{ - // // Dispose the process - // process.Dispose(); - //} - //catch (Exception ex) - //{ - // Logger.LogError(ex, "Error disposing ffmpeg."); - //} + process.Dispose(); } /// <summary> @@ -439,55 +416,55 @@ namespace MediaBrowser.Api.Playback { if (videoRequest != null) { - videoRequest.AudioStreamIndex = int.Parse(val, UsCulture); + videoRequest.AudioStreamIndex = int.Parse(val, CultureInfo.InvariantCulture); } } else if (i == 7) { if (videoRequest != null) { - videoRequest.SubtitleStreamIndex = int.Parse(val, UsCulture); + videoRequest.SubtitleStreamIndex = int.Parse(val, CultureInfo.InvariantCulture); } } else if (i == 8) { if (videoRequest != null) { - videoRequest.VideoBitRate = int.Parse(val, UsCulture); + videoRequest.VideoBitRate = int.Parse(val, CultureInfo.InvariantCulture); } } else if (i == 9) { - request.AudioBitRate = int.Parse(val, UsCulture); + request.AudioBitRate = int.Parse(val, CultureInfo.InvariantCulture); } else if (i == 10) { - request.MaxAudioChannels = int.Parse(val, UsCulture); + request.MaxAudioChannels = int.Parse(val, CultureInfo.InvariantCulture); } else if (i == 11) { if (videoRequest != null) { - videoRequest.MaxFramerate = float.Parse(val, UsCulture); + videoRequest.MaxFramerate = float.Parse(val, CultureInfo.InvariantCulture); } } else if (i == 12) { if (videoRequest != null) { - videoRequest.MaxWidth = int.Parse(val, UsCulture); + videoRequest.MaxWidth = int.Parse(val, CultureInfo.InvariantCulture); } } else if (i == 13) { if (videoRequest != null) { - videoRequest.MaxHeight = int.Parse(val, UsCulture); + videoRequest.MaxHeight = int.Parse(val, CultureInfo.InvariantCulture); } } else if (i == 14) { - request.StartTimeTicks = long.Parse(val, UsCulture); + request.StartTimeTicks = long.Parse(val, CultureInfo.InvariantCulture); } else if (i == 15) { @@ -500,14 +477,14 @@ namespace MediaBrowser.Api.Playback { if (videoRequest != null) { - videoRequest.MaxRefFrames = int.Parse(val, UsCulture); + videoRequest.MaxRefFrames = int.Parse(val, CultureInfo.InvariantCulture); } } else if (i == 17) { if (videoRequest != null) { - videoRequest.MaxVideoBitDepth = int.Parse(val, UsCulture); + videoRequest.MaxVideoBitDepth = int.Parse(val, CultureInfo.InvariantCulture); } } else if (i == 18) @@ -556,7 +533,7 @@ namespace MediaBrowser.Api.Playback } else if (i == 26) { - request.TranscodingMaxAudioChannels = int.Parse(val, UsCulture); + request.TranscodingMaxAudioChannels = int.Parse(val, CultureInfo.InvariantCulture); } else if (i == 27) { @@ -643,16 +620,25 @@ namespace MediaBrowser.Api.Playback return null; } - if (value.IndexOf("npt=", StringComparison.OrdinalIgnoreCase) != 0) + const string Npt = "npt="; + if (!value.StartsWith(Npt, StringComparison.OrdinalIgnoreCase)) { throw new ArgumentException("Invalid timeseek header"); } - value = value.Substring(4).Split(new[] { '-' }, 2)[0]; + int index = value.IndexOf('-'); + if (index == -1) + { + value = value.Substring(Npt.Length); + } + else + { + value = value.Substring(Npt.Length, index); + } if (value.IndexOf(':') == -1) { // Parses npt times in the format of '417.33' - if (double.TryParse(value, NumberStyles.Any, UsCulture, out var seconds)) + if (double.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var seconds)) { return TimeSpan.FromSeconds(seconds).Ticks; } @@ -667,7 +653,7 @@ namespace MediaBrowser.Api.Playback foreach (var time in tokens) { - if (double.TryParse(time, NumberStyles.Any, UsCulture, out var digit)) + if (double.TryParse(time, NumberStyles.Any, CultureInfo.InvariantCulture, out var digit)) { secondsSum += digit * timeFactor; } @@ -707,7 +693,7 @@ namespace MediaBrowser.Api.Playback var enableDlnaHeaders = !string.IsNullOrWhiteSpace(request.Params) /*|| string.Equals(Request.Headers.Get("GetContentFeatures.DLNA.ORG"), "1", StringComparison.OrdinalIgnoreCase)*/; - var state = new StreamState(MediaSourceManager, Logger, TranscodingJobType) + var state = new StreamState(MediaSourceManager, TranscodingJobType) { Request = request, RequestedUrl = url, @@ -728,13 +714,10 @@ namespace MediaBrowser.Api.Playback // state.SegmentLength = 6; //} - if (state.VideoRequest != null) + if (state.VideoRequest != null && !string.IsNullOrWhiteSpace(state.VideoRequest.VideoCodec)) { - if (!string.IsNullOrWhiteSpace(state.VideoRequest.VideoCodec)) - { - state.SupportedVideoCodecs = state.VideoRequest.VideoCodec.Split(',').Where(i => !string.IsNullOrWhiteSpace(i)).ToArray(); - state.VideoRequest.VideoCodec = state.SupportedVideoCodecs.FirstOrDefault(); - } + state.SupportedVideoCodecs = state.VideoRequest.VideoCodec.Split(',').Where(i => !string.IsNullOrWhiteSpace(i)).ToArray(); + state.VideoRequest.VideoCodec = state.SupportedVideoCodecs.FirstOrDefault(); } if (!string.IsNullOrWhiteSpace(request.AudioCodec)) @@ -779,12 +762,12 @@ namespace MediaBrowser.Api.Playback var mediaSources = (await MediaSourceManager.GetPlayackMediaSources(LibraryManager.GetItemById(request.Id), null, false, false, cancellationToken).ConfigureAwait(false)).ToList(); mediaSource = string.IsNullOrEmpty(request.MediaSourceId) - ? mediaSources.First() - : mediaSources.FirstOrDefault(i => string.Equals(i.Id, request.MediaSourceId)); + ? mediaSources[0] + : mediaSources.Find(i => string.Equals(i.Id, request.MediaSourceId)); if (mediaSource == null && request.MediaSourceId.Equals(request.Id)) { - mediaSource = mediaSources.First(); + mediaSource = mediaSources[0]; } } } @@ -834,11 +817,11 @@ namespace MediaBrowser.Api.Playback if (state.OutputVideoBitrate.HasValue && !string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase)) { var resolution = ResolutionNormalizer.Normalize( - state.VideoStream == null ? (int?)null : state.VideoStream.BitRate, - state.VideoStream == null ? (int?)null : state.VideoStream.Width, - state.VideoStream == null ? (int?)null : state.VideoStream.Height, + state.VideoStream?.BitRate, + state.VideoStream?.Width, + state.VideoStream?.Height, state.OutputVideoBitrate.Value, - state.VideoStream == null ? null : state.VideoStream.Codec, + state.VideoStream?.Codec, state.OutputVideoCodec, videoRequest.MaxWidth, videoRequest.MaxHeight); @@ -846,17 +829,13 @@ namespace MediaBrowser.Api.Playback videoRequest.MaxWidth = resolution.MaxWidth; videoRequest.MaxHeight = resolution.MaxHeight; } - - ApplyDeviceProfileSettings(state); - } - else - { - ApplyDeviceProfileSettings(state); } + ApplyDeviceProfileSettings(state); + var ext = string.IsNullOrWhiteSpace(state.OutputContainer) ? GetOutputFileExtension(state) - : ("." + state.OutputContainer); + : ('.' + state.OutputContainer); var encodingOptions = ApiEntryPoint.Instance.GetEncodingOptions(); @@ -970,18 +949,18 @@ namespace MediaBrowser.Api.Playback 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) { - 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("SEC_Duration={0};", Convert.ToInt32(ms).ToString(CultureInfo.InvariantCulture)); } - } - if (state.RunTimeTicks.HasValue && !isStaticallyStreamed && profile != null) - { - AddTimeSeekResponseHeaders(state, responseHeaders); + if (!isStaticallyStreamed && profile != null) + { + AddTimeSeekResponseHeaders(state, responseHeaders); + } } if (profile == null) @@ -1046,8 +1025,8 @@ namespace MediaBrowser.Api.Playback 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); + 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("npt={0}-{1}/{1}", startSeconds, runtimeSeconds); responseHeaders["X-AvailableSeekRange"] = string.Format("1 npt={0}-{1}", startSeconds, runtimeSeconds); |