diff options
Diffstat (limited to 'Jellyfin.Api/Controllers/DynamicHlsController.cs')
| -rw-r--r-- | Jellyfin.Api/Controllers/DynamicHlsController.cs | 202 |
1 files changed, 95 insertions, 107 deletions
diff --git a/Jellyfin.Api/Controllers/DynamicHlsController.cs b/Jellyfin.Api/Controllers/DynamicHlsController.cs index e375645cf..555062e55 100644 --- a/Jellyfin.Api/Controllers/DynamicHlsController.cs +++ b/Jellyfin.Api/Controllers/DynamicHlsController.cs @@ -28,7 +28,6 @@ using MediaBrowser.Model.Net; using Microsoft.AspNetCore.Authorization; using Microsoft.AspNetCore.Http; using Microsoft.AspNetCore.Mvc; -using Microsoft.Extensions.Configuration; using Microsoft.Extensions.Logging; using Microsoft.Net.Http.Headers; @@ -52,8 +51,6 @@ namespace Jellyfin.Api.Controllers private readonly IServerConfigurationManager _serverConfigurationManager; private readonly IMediaEncoder _mediaEncoder; private readonly IFileSystem _fileSystem; - private readonly ISubtitleEncoder _subtitleEncoder; - private readonly IConfiguration _configuration; private readonly IDeviceManager _deviceManager; private readonly TranscodingJobHelper _transcodingJobHelper; private readonly ILogger<DynamicHlsController> _logger; @@ -72,12 +69,11 @@ namespace Jellyfin.Api.Controllers /// <param name="serverConfigurationManager">Instance of the <see cref="IServerConfigurationManager"/> interface.</param> /// <param name="mediaEncoder">Instance of the <see cref="IMediaEncoder"/> interface.</param> /// <param name="fileSystem">Instance of the <see cref="IFileSystem"/> interface.</param> - /// <param name="subtitleEncoder">Instance of the <see cref="ISubtitleEncoder"/> interface.</param> - /// <param name="configuration">Instance of the <see cref="IConfiguration"/> interface.</param> /// <param name="deviceManager">Instance of the <see cref="IDeviceManager"/> interface.</param> /// <param name="transcodingJobHelper">Instance of the <see cref="TranscodingJobHelper"/> class.</param> /// <param name="logger">Instance of the <see cref="ILogger{DynamicHlsController}"/> interface.</param> /// <param name="dynamicHlsHelper">Instance of <see cref="DynamicHlsHelper"/>.</param> + /// <param name="encodingHelper">Instance of <see cref="EncodingHelper"/>.</param> public DynamicHlsController( ILibraryManager libraryManager, IUserManager userManager, @@ -87,15 +83,12 @@ namespace Jellyfin.Api.Controllers IServerConfigurationManager serverConfigurationManager, IMediaEncoder mediaEncoder, IFileSystem fileSystem, - ISubtitleEncoder subtitleEncoder, - IConfiguration configuration, IDeviceManager deviceManager, TranscodingJobHelper transcodingJobHelper, ILogger<DynamicHlsController> logger, - DynamicHlsHelper dynamicHlsHelper) + DynamicHlsHelper dynamicHlsHelper, + EncodingHelper encodingHelper) { - _encodingHelper = new EncodingHelper(mediaEncoder, fileSystem, subtitleEncoder, configuration); - _libraryManager = libraryManager; _userManager = userManager; _dlnaManager = dlnaManager; @@ -104,12 +97,12 @@ namespace Jellyfin.Api.Controllers _serverConfigurationManager = serverConfigurationManager; _mediaEncoder = mediaEncoder; _fileSystem = fileSystem; - _subtitleEncoder = subtitleEncoder; - _configuration = configuration; _deviceManager = deviceManager; _transcodingJobHelper = transcodingJobHelper; _logger = logger; _dynamicHlsHelper = dynamicHlsHelper; + _encodingHelper = encodingHelper; + _encodingOptions = serverConfigurationManager.GetEncodingOptions(); } @@ -203,7 +196,7 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? height, [FromQuery] int? videoBitRate, [FromQuery] int? subtitleStreamIndex, - [FromQuery] SubtitleDeliveryMethod subtitleMethod, + [FromQuery] SubtitleDeliveryMethod? subtitleMethod, [FromQuery] int? maxRefFrames, [FromQuery] int? maxVideoBitDepth, [FromQuery] bool? requireAvc, @@ -218,14 +211,14 @@ namespace Jellyfin.Api.Controllers [FromQuery] string? transcodeReasons, [FromQuery] int? audioStreamIndex, [FromQuery] int? videoStreamIndex, - [FromQuery] EncodingContext context, + [FromQuery] EncodingContext? context, [FromQuery] Dictionary<string, string> streamOptions, [FromQuery] bool enableAdaptiveBitrateStreaming = true) { var streamingRequest = new HlsVideoRequestDto { Id = itemId, - Static = @static ?? true, + Static = @static ?? false, Params = @params, Tag = tag, DeviceProfileId = deviceProfileId, @@ -249,28 +242,28 @@ namespace Jellyfin.Api.Controllers Level = level, Framerate = framerate, MaxFramerate = maxFramerate, - CopyTimestamps = copyTimestamps ?? true, + CopyTimestamps = copyTimestamps ?? false, StartTimeTicks = startTimeTicks, Width = width, Height = height, VideoBitRate = videoBitRate, SubtitleStreamIndex = subtitleStreamIndex, - SubtitleMethod = subtitleMethod, + SubtitleMethod = subtitleMethod ?? SubtitleDeliveryMethod.Encode, MaxRefFrames = maxRefFrames, MaxVideoBitDepth = maxVideoBitDepth, - RequireAvc = requireAvc ?? true, - DeInterlace = deInterlace ?? true, - RequireNonAnamorphic = requireNonAnamorphic ?? true, + RequireAvc = requireAvc ?? false, + DeInterlace = deInterlace ?? false, + RequireNonAnamorphic = requireNonAnamorphic ?? false, TranscodingMaxAudioChannels = transcodingMaxAudioChannels, CpuCoreLimit = cpuCoreLimit, LiveStreamId = liveStreamId, - EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? true, + EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? false, VideoCodec = videoCodec, SubtitleCodec = subtitleCodec, TranscodeReasons = transcodeReasons, AudioStreamIndex = audioStreamIndex, VideoStreamIndex = videoStreamIndex, - Context = context, + Context = context ?? EncodingContext.Streaming, StreamOptions = streamOptions, EnableAdaptiveBitrateStreaming = enableAdaptiveBitrateStreaming }; @@ -370,7 +363,7 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? height, [FromQuery] int? videoBitRate, [FromQuery] int? subtitleStreamIndex, - [FromQuery] SubtitleDeliveryMethod subtitleMethod, + [FromQuery] SubtitleDeliveryMethod? subtitleMethod, [FromQuery] int? maxRefFrames, [FromQuery] int? maxVideoBitDepth, [FromQuery] bool? requireAvc, @@ -385,14 +378,14 @@ namespace Jellyfin.Api.Controllers [FromQuery] string? transcodeReasons, [FromQuery] int? audioStreamIndex, [FromQuery] int? videoStreamIndex, - [FromQuery] EncodingContext context, + [FromQuery] EncodingContext? context, [FromQuery] Dictionary<string, string> streamOptions, [FromQuery] bool enableAdaptiveBitrateStreaming = true) { var streamingRequest = new HlsAudioRequestDto { Id = itemId, - Static = @static ?? true, + Static = @static ?? false, Params = @params, Tag = tag, DeviceProfileId = deviceProfileId, @@ -416,28 +409,28 @@ namespace Jellyfin.Api.Controllers Level = level, Framerate = framerate, MaxFramerate = maxFramerate, - CopyTimestamps = copyTimestamps ?? true, + CopyTimestamps = copyTimestamps ?? false, StartTimeTicks = startTimeTicks, Width = width, Height = height, VideoBitRate = videoBitRate, SubtitleStreamIndex = subtitleStreamIndex, - SubtitleMethod = subtitleMethod, + SubtitleMethod = subtitleMethod ?? SubtitleDeliveryMethod.Encode, MaxRefFrames = maxRefFrames, MaxVideoBitDepth = maxVideoBitDepth, - RequireAvc = requireAvc ?? true, - DeInterlace = deInterlace ?? true, - RequireNonAnamorphic = requireNonAnamorphic ?? true, + RequireAvc = requireAvc ?? false, + DeInterlace = deInterlace ?? false, + RequireNonAnamorphic = requireNonAnamorphic ?? false, TranscodingMaxAudioChannels = transcodingMaxAudioChannels, CpuCoreLimit = cpuCoreLimit, LiveStreamId = liveStreamId, - EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? true, + EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? false, VideoCodec = videoCodec, SubtitleCodec = subtitleCodec, TranscodeReasons = transcodeReasons, AudioStreamIndex = audioStreamIndex, VideoStreamIndex = videoStreamIndex, - Context = context, + Context = context ?? EncodingContext.Streaming, StreamOptions = streamOptions, EnableAdaptiveBitrateStreaming = enableAdaptiveBitrateStreaming }; @@ -533,7 +526,7 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? height, [FromQuery] int? videoBitRate, [FromQuery] int? subtitleStreamIndex, - [FromQuery] SubtitleDeliveryMethod subtitleMethod, + [FromQuery] SubtitleDeliveryMethod? subtitleMethod, [FromQuery] int? maxRefFrames, [FromQuery] int? maxVideoBitDepth, [FromQuery] bool? requireAvc, @@ -548,14 +541,14 @@ namespace Jellyfin.Api.Controllers [FromQuery] string? transcodeReasons, [FromQuery] int? audioStreamIndex, [FromQuery] int? videoStreamIndex, - [FromQuery] EncodingContext context, + [FromQuery] EncodingContext? context, [FromQuery] Dictionary<string, string> streamOptions) { - var cancellationTokenSource = new CancellationTokenSource(); + using var cancellationTokenSource = new CancellationTokenSource(); var streamingRequest = new VideoRequestDto { Id = itemId, - Static = @static ?? true, + Static = @static ?? false, Params = @params, Tag = tag, DeviceProfileId = deviceProfileId, @@ -579,28 +572,28 @@ namespace Jellyfin.Api.Controllers Level = level, Framerate = framerate, MaxFramerate = maxFramerate, - CopyTimestamps = copyTimestamps ?? true, + CopyTimestamps = copyTimestamps ?? false, StartTimeTicks = startTimeTicks, Width = width, Height = height, VideoBitRate = videoBitRate, SubtitleStreamIndex = subtitleStreamIndex, - SubtitleMethod = subtitleMethod, + SubtitleMethod = subtitleMethod ?? SubtitleDeliveryMethod.Encode, MaxRefFrames = maxRefFrames, MaxVideoBitDepth = maxVideoBitDepth, - RequireAvc = requireAvc ?? true, - DeInterlace = deInterlace ?? true, - RequireNonAnamorphic = requireNonAnamorphic ?? true, + RequireAvc = requireAvc ?? false, + DeInterlace = deInterlace ?? false, + RequireNonAnamorphic = requireNonAnamorphic ?? false, TranscodingMaxAudioChannels = transcodingMaxAudioChannels, CpuCoreLimit = cpuCoreLimit, LiveStreamId = liveStreamId, - EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? true, + EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? false, VideoCodec = videoCodec, SubtitleCodec = subtitleCodec, TranscodeReasons = transcodeReasons, AudioStreamIndex = audioStreamIndex, VideoStreamIndex = videoStreamIndex, - Context = context, + Context = context ?? EncodingContext.Streaming, StreamOptions = streamOptions }; @@ -698,7 +691,7 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? height, [FromQuery] int? videoBitRate, [FromQuery] int? subtitleStreamIndex, - [FromQuery] SubtitleDeliveryMethod subtitleMethod, + [FromQuery] SubtitleDeliveryMethod? subtitleMethod, [FromQuery] int? maxRefFrames, [FromQuery] int? maxVideoBitDepth, [FromQuery] bool? requireAvc, @@ -713,14 +706,14 @@ namespace Jellyfin.Api.Controllers [FromQuery] string? transcodeReasons, [FromQuery] int? audioStreamIndex, [FromQuery] int? videoStreamIndex, - [FromQuery] EncodingContext context, + [FromQuery] EncodingContext? context, [FromQuery] Dictionary<string, string> streamOptions) { - var cancellationTokenSource = new CancellationTokenSource(); + using var cancellationTokenSource = new CancellationTokenSource(); var streamingRequest = new StreamingRequestDto { Id = itemId, - Static = @static ?? true, + Static = @static ?? false, Params = @params, Tag = tag, DeviceProfileId = deviceProfileId, @@ -744,28 +737,28 @@ namespace Jellyfin.Api.Controllers Level = level, Framerate = framerate, MaxFramerate = maxFramerate, - CopyTimestamps = copyTimestamps ?? true, + CopyTimestamps = copyTimestamps ?? false, StartTimeTicks = startTimeTicks, Width = width, Height = height, VideoBitRate = videoBitRate, SubtitleStreamIndex = subtitleStreamIndex, - SubtitleMethod = subtitleMethod, + SubtitleMethod = subtitleMethod ?? SubtitleDeliveryMethod.Encode, MaxRefFrames = maxRefFrames, MaxVideoBitDepth = maxVideoBitDepth, - RequireAvc = requireAvc ?? true, - DeInterlace = deInterlace ?? true, - RequireNonAnamorphic = requireNonAnamorphic ?? true, + RequireAvc = requireAvc ?? false, + DeInterlace = deInterlace ?? false, + RequireNonAnamorphic = requireNonAnamorphic ?? false, TranscodingMaxAudioChannels = transcodingMaxAudioChannels, CpuCoreLimit = cpuCoreLimit, LiveStreamId = liveStreamId, - EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? true, + EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? false, VideoCodec = videoCodec, SubtitleCodec = subtitleCodec, TranscodeReasons = transcodeReasons, AudioStreamIndex = audioStreamIndex, VideoStreamIndex = videoStreamIndex, - Context = context, + Context = context ?? EncodingContext.Streaming, StreamOptions = streamOptions }; @@ -868,7 +861,7 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? height, [FromQuery] int? videoBitRate, [FromQuery] int? subtitleStreamIndex, - [FromQuery] SubtitleDeliveryMethod subtitleMethod, + [FromQuery] SubtitleDeliveryMethod? subtitleMethod, [FromQuery] int? maxRefFrames, [FromQuery] int? maxVideoBitDepth, [FromQuery] bool? requireAvc, @@ -883,14 +876,14 @@ namespace Jellyfin.Api.Controllers [FromQuery] string? transcodeReasons, [FromQuery] int? audioStreamIndex, [FromQuery] int? videoStreamIndex, - [FromQuery] EncodingContext context, + [FromQuery] EncodingContext? context, [FromQuery] Dictionary<string, string> streamOptions) { var streamingRequest = new VideoRequestDto { Id = itemId, Container = container, - Static = @static ?? true, + Static = @static ?? false, Params = @params, Tag = tag, DeviceProfileId = deviceProfileId, @@ -914,28 +907,28 @@ namespace Jellyfin.Api.Controllers Level = level, Framerate = framerate, MaxFramerate = maxFramerate, - CopyTimestamps = copyTimestamps ?? true, + CopyTimestamps = copyTimestamps ?? false, StartTimeTicks = startTimeTicks, Width = width, Height = height, VideoBitRate = videoBitRate, SubtitleStreamIndex = subtitleStreamIndex, - SubtitleMethod = subtitleMethod, + SubtitleMethod = subtitleMethod ?? SubtitleDeliveryMethod.Encode, MaxRefFrames = maxRefFrames, MaxVideoBitDepth = maxVideoBitDepth, - RequireAvc = requireAvc ?? true, - DeInterlace = deInterlace ?? true, - RequireNonAnamorphic = requireNonAnamorphic ?? true, + RequireAvc = requireAvc ?? false, + DeInterlace = deInterlace ?? false, + RequireNonAnamorphic = requireNonAnamorphic ?? false, TranscodingMaxAudioChannels = transcodingMaxAudioChannels, CpuCoreLimit = cpuCoreLimit, LiveStreamId = liveStreamId, - EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? true, + EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? false, VideoCodec = videoCodec, SubtitleCodec = subtitleCodec, TranscodeReasons = transcodeReasons, AudioStreamIndex = audioStreamIndex, VideoStreamIndex = videoStreamIndex, - Context = context, + Context = context ?? EncodingContext.Streaming, StreamOptions = streamOptions }; @@ -1040,7 +1033,7 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? height, [FromQuery] int? videoBitRate, [FromQuery] int? subtitleStreamIndex, - [FromQuery] SubtitleDeliveryMethod subtitleMethod, + [FromQuery] SubtitleDeliveryMethod? subtitleMethod, [FromQuery] int? maxRefFrames, [FromQuery] int? maxVideoBitDepth, [FromQuery] bool? requireAvc, @@ -1055,14 +1048,14 @@ namespace Jellyfin.Api.Controllers [FromQuery] string? transcodeReasons, [FromQuery] int? audioStreamIndex, [FromQuery] int? videoStreamIndex, - [FromQuery] EncodingContext context, + [FromQuery] EncodingContext? context, [FromQuery] Dictionary<string, string> streamOptions) { var streamingRequest = new StreamingRequestDto { Id = itemId, Container = container, - Static = @static ?? true, + Static = @static ?? false, Params = @params, Tag = tag, DeviceProfileId = deviceProfileId, @@ -1086,28 +1079,28 @@ namespace Jellyfin.Api.Controllers Level = level, Framerate = framerate, MaxFramerate = maxFramerate, - CopyTimestamps = copyTimestamps ?? true, + CopyTimestamps = copyTimestamps ?? false, StartTimeTicks = startTimeTicks, Width = width, Height = height, VideoBitRate = videoBitRate, SubtitleStreamIndex = subtitleStreamIndex, - SubtitleMethod = subtitleMethod, + SubtitleMethod = subtitleMethod ?? SubtitleDeliveryMethod.Encode, MaxRefFrames = maxRefFrames, MaxVideoBitDepth = maxVideoBitDepth, - RequireAvc = requireAvc ?? true, - DeInterlace = deInterlace ?? true, - RequireNonAnamorphic = requireNonAnamorphic ?? true, + RequireAvc = requireAvc ?? false, + DeInterlace = deInterlace ?? false, + RequireNonAnamorphic = requireNonAnamorphic ?? false, TranscodingMaxAudioChannels = transcodingMaxAudioChannels, CpuCoreLimit = cpuCoreLimit, LiveStreamId = liveStreamId, - EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? true, + EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? false, VideoCodec = videoCodec, SubtitleCodec = subtitleCodec, TranscodeReasons = transcodeReasons, AudioStreamIndex = audioStreamIndex, VideoStreamIndex = videoStreamIndex, - Context = context, + Context = context ?? EncodingContext.Streaming, StreamOptions = streamOptions }; @@ -1126,9 +1119,7 @@ namespace Jellyfin.Api.Controllers _libraryManager, _serverConfigurationManager, _mediaEncoder, - _fileSystem, - _subtitleEncoder, - _configuration, + _encodingHelper, _dlnaManager, _deviceManager, _transcodingJobHelper, @@ -1146,7 +1137,7 @@ namespace Jellyfin.Api.Controllers var isHlsInFmp4 = string.Equals(segmentContainer, "mp4", StringComparison.OrdinalIgnoreCase); var hlsVersion = isHlsInFmp4 ? "7" : "3"; - var builder = new StringBuilder(); + var builder = new StringBuilder(128); builder.AppendLine("#EXTM3U") .AppendLine("#EXT-X-PLAYLIST-TYPE:VOD") @@ -1199,7 +1190,7 @@ namespace Jellyfin.Api.Controllers throw new ArgumentException("StartTimeTicks is not allowed."); } - var cancellationTokenSource = new CancellationTokenSource(); + using var cancellationTokenSource = new CancellationTokenSource(); var cancellationToken = cancellationTokenSource.Token; using var state = await StreamingHelpers.GetStreamingState( @@ -1211,14 +1202,12 @@ namespace Jellyfin.Api.Controllers _libraryManager, _serverConfigurationManager, _mediaEncoder, - _fileSystem, - _subtitleEncoder, - _configuration, + _encodingHelper, _dlnaManager, _deviceManager, _transcodingJobHelper, TranscodingJobType, - cancellationTokenSource.Token) + cancellationToken) .ConfigureAwait(false); var playlistPath = Path.ChangeExtension(state.OutputFilePath, ".m3u8"); @@ -1237,7 +1226,7 @@ namespace Jellyfin.Api.Controllers } var transcodingLock = _transcodingJobHelper.GetTranscodingLock(playlistPath); - await transcodingLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false); + await transcodingLock.WaitAsync(cancellationToken).ConfigureAwait(false); var released = false; var startTranscoding = false; @@ -1333,24 +1322,28 @@ namespace Jellyfin.Api.Controllers return await GetSegmentResult(state, playlistPath, segmentPath, segmentExtension, segmentId, job, cancellationToken).ConfigureAwait(false); } - private double[] GetSegmentLengths(StreamState state) - { - var result = new List<double>(); + private static double[] GetSegmentLengths(StreamState state) + => GetSegmentLengthsInternal(state.RunTimeTicks ?? 0, state.SegmentLength); - var ticks = state.RunTimeTicks ?? 0; - - var segmentLengthTicks = TimeSpan.FromSeconds(state.SegmentLength).Ticks; + internal static double[] GetSegmentLengthsInternal(long runtimeTicks, int segmentlength) + { + var segmentLengthTicks = TimeSpan.FromSeconds(segmentlength).Ticks; + var wholeSegments = runtimeTicks / segmentLengthTicks; + var remainingTicks = runtimeTicks % segmentLengthTicks; - while (ticks > 0) + var segmentsLen = wholeSegments + (remainingTicks == 0 ? 0 : 1); + var segments = new double[segmentsLen]; + for (int i = 0; i < wholeSegments; i++) { - var length = ticks >= segmentLengthTicks ? segmentLengthTicks : ticks; - - result.Add(TimeSpan.FromTicks(length).TotalSeconds); + segments[i] = segmentlength; + } - ticks -= length; + if (remainingTicks != 0) + { + segments[^1] = TimeSpan.FromTicks(remainingTicks).TotalSeconds; } - return result.ToArray(); + return segments; } private string GetCommandLineArguments(string outputPath, StreamState state, bool isEncoding, int startNumber) @@ -1386,18 +1379,13 @@ namespace Jellyfin.Api.Controllers } else if (string.Equals(segmentFormat, "mp4", StringComparison.OrdinalIgnoreCase)) { - var outputFmp4HeaderArg = string.Empty; - var isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows); - if (isWindows) + var outputFmp4HeaderArg = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) switch { // on Windows, the path of fmp4 header file needs to be configured - outputFmp4HeaderArg = " -hls_fmp4_init_filename \"" + outputPrefix + "-1" + outputExtension + "\""; - } - else - { + true => " -hls_fmp4_init_filename \"" + outputPrefix + "-1" + outputExtension + "\"", // on Linux/Unix, ffmpeg generate fmp4 header file to m3u8 output folder - outputFmp4HeaderArg = " -hls_fmp4_init_filename \"" + outputFileNameWithoutExtension + "-1" + outputExtension + "\""; - } + false => " -hls_fmp4_init_filename \"" + outputFileNameWithoutExtension + "-1" + outputExtension + "\"" + }; segmentFormat = "fmp4" + outputFmp4HeaderArg; } @@ -1772,9 +1760,9 @@ namespace Jellyfin.Api.Controllers private static FileSystemMetadata? GetLastTranscodingFile(string playlist, string segmentExtension, IFileSystem fileSystem) { - var folder = Path.GetDirectoryName(playlist); + var folder = Path.GetDirectoryName(playlist) ?? throw new ArgumentException("Path can't be a root directory.", nameof(playlist)); - var filePrefix = Path.GetFileNameWithoutExtension(playlist) ?? string.Empty; + var filePrefix = Path.GetFileNameWithoutExtension(playlist); try { |