diff options
Diffstat (limited to 'MediaBrowser.MediaEncoding')
21 files changed, 389 insertions, 960 deletions
diff --git a/MediaBrowser.MediaEncoding/Attachments/AttachmentExtractor.cs b/MediaBrowser.MediaEncoding/Attachments/AttachmentExtractor.cs index e8aeabf9d..a0ec3bd90 100644 --- a/MediaBrowser.MediaEncoding/Attachments/AttachmentExtractor.cs +++ b/MediaBrowser.MediaEncoding/Attachments/AttachmentExtractor.cs @@ -1,3 +1,4 @@ +#nullable disable #pragma warning disable CS1591 using System; diff --git a/MediaBrowser.MediaEncoding/BdInfo/BdInfoDirectoryInfo.cs b/MediaBrowser.MediaEncoding/BdInfo/BdInfoDirectoryInfo.cs index 4a54b677d..e86e518be 100644 --- a/MediaBrowser.MediaEncoding/BdInfo/BdInfoDirectoryInfo.cs +++ b/MediaBrowser.MediaEncoding/BdInfo/BdInfoDirectoryInfo.cs @@ -9,9 +9,9 @@ namespace MediaBrowser.MediaEncoding.BdInfo { public class BdInfoDirectoryInfo : IDirectoryInfo { - private readonly IFileSystem _fileSystem = null; + private readonly IFileSystem _fileSystem; - private readonly FileSystemMetadata _impl = null; + private readonly FileSystemMetadata _impl; public BdInfoDirectoryInfo(IFileSystem fileSystem, string path) { @@ -29,7 +29,7 @@ namespace MediaBrowser.MediaEncoding.BdInfo public string FullName => _impl.FullName; - public IDirectoryInfo Parent + public IDirectoryInfo? Parent { get { @@ -71,7 +71,7 @@ namespace MediaBrowser.MediaEncoding.BdInfo _impl.FullName, new[] { searchPattern }, false, - searchOption.HasFlag(System.IO.SearchOption.AllDirectories)).ToArray(), + (searchOption & System.IO.SearchOption.AllDirectories) == System.IO.SearchOption.AllDirectories).ToArray(), x => new BdInfoFileInfo(x)); } diff --git a/MediaBrowser.MediaEncoding/BdInfo/BdInfoExaminer.cs b/MediaBrowser.MediaEncoding/BdInfo/BdInfoExaminer.cs index 9108d9649..6ebaa4fff 100644 --- a/MediaBrowser.MediaEncoding/BdInfo/BdInfoExaminer.cs +++ b/MediaBrowser.MediaEncoding/BdInfo/BdInfoExaminer.cs @@ -61,33 +61,25 @@ namespace MediaBrowser.MediaEncoding.BdInfo foreach (var stream in playlist.SortedStreams) { - var videoStream = stream as TSVideoStream; - - if (videoStream != null) + if (stream is TSVideoStream videoStream) { AddVideoStream(mediaStreams, videoStream); continue; } - var audioStream = stream as TSAudioStream; - - if (audioStream != null) + if (stream is TSAudioStream audioStream) { AddAudioStream(mediaStreams, audioStream); continue; } - var textStream = stream as TSTextStream; - - if (textStream != null) + if (stream is TSTextStream textStream) { AddSubtitleStream(mediaStreams, textStream); continue; } - var graphicsStream = stream as TSGraphicsStream; - - if (graphicsStream != null) + if (stream is TSGraphicsStream graphicsStream) { AddSubtitleStream(mediaStreams, graphicsStream); } diff --git a/MediaBrowser.MediaEncoding/BdInfo/BdInfoFileInfo.cs b/MediaBrowser.MediaEncoding/BdInfo/BdInfoFileInfo.cs index 0a8af8e9c..41143c259 100644 --- a/MediaBrowser.MediaEncoding/BdInfo/BdInfoFileInfo.cs +++ b/MediaBrowser.MediaEncoding/BdInfo/BdInfoFileInfo.cs @@ -7,7 +7,7 @@ namespace MediaBrowser.MediaEncoding.BdInfo { public class BdInfoFileInfo : BDInfo.IO.IFileInfo { - private FileSystemMetadata _impl = null; + private FileSystemMetadata _impl; public BdInfoFileInfo(FileSystemMetadata impl) { diff --git a/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs b/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs index 92f16ab95..f782e65bd 100644 --- a/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs +++ b/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs @@ -121,11 +121,11 @@ namespace MediaBrowser.MediaEncoding.Encoder // When changing this, also change the minimum library versions in _ffmpegMinimumLibraryVersions public static Version MinVersion { get; } = new Version(4, 0); - public static Version MaxVersion { get; } = null; + public static Version? MaxVersion { get; } = null; public bool ValidateVersion() { - string output = null; + string output; try { output = GetProcessOutput(_encoderPath, "-version"); @@ -133,6 +133,7 @@ namespace MediaBrowser.MediaEncoding.Encoder catch (Exception ex) { _logger.LogError(ex, "Error validating encoder"); + return false; } if (string.IsNullOrWhiteSpace(output)) @@ -207,7 +208,7 @@ namespace MediaBrowser.MediaEncoding.Encoder /// </summary> /// <param name="output">The output from "ffmpeg -version".</param> /// <returns>The FFmpeg version.</returns> - internal Version GetFFmpegVersion(string output) + internal Version? GetFFmpegVersion(string output) { // For pre-built binaries the FFmpeg version should be mentioned at the very start of the output var match = Regex.Match(output, @"^ffmpeg version n?((?:[0-9]+\.?)+)"); @@ -275,7 +276,7 @@ namespace MediaBrowser.MediaEncoding.Encoder private IEnumerable<string> GetHwaccelTypes() { - string output = null; + string? output = null; try { output = GetProcessOutput(_encoderPath, "-hwaccels"); @@ -296,10 +297,43 @@ namespace MediaBrowser.MediaEncoding.Encoder return found; } + public bool CheckFilter(string filter, string option) + { + if (string.IsNullOrEmpty(filter)) + { + return false; + } + + string output; + try + { + output = GetProcessOutput(_encoderPath, "-h filter=" + filter); + } + catch (Exception ex) + { + _logger.LogError(ex, "Error detecting the given filter"); + return false; + } + + if (output.Contains("Filter " + filter, StringComparison.Ordinal)) + { + if (string.IsNullOrEmpty(option)) + { + return true; + } + + return output.Contains(option, StringComparison.Ordinal); + } + + _logger.LogWarning("Filter: {Name} with option {Option} is not available", filter, option); + + return false; + } + private IEnumerable<string> GetCodecs(Codec codec) { string codecstr = codec == Codec.Encoder ? "encoders" : "decoders"; - string output = null; + string output; try { output = GetProcessOutput(_encoderPath, "-" + codecstr); @@ -307,6 +341,7 @@ namespace MediaBrowser.MediaEncoding.Encoder catch (Exception ex) { _logger.LogError(ex, "Error detecting available {Codec}", codecstr); + return Enumerable.Empty<string>(); } if (string.IsNullOrWhiteSpace(output)) diff --git a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs index fbd08a97c..cdb778bf2 100644 --- a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs +++ b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs @@ -1,3 +1,4 @@ +#nullable disable #pragma warning disable CS1591 using System; @@ -16,7 +17,6 @@ using MediaBrowser.Common.Json; using MediaBrowser.Controller.Configuration; using MediaBrowser.Controller.MediaEncoding; using MediaBrowser.MediaEncoding.Probing; -using MediaBrowser.Model.Configuration; using MediaBrowser.Model.Dlna; using MediaBrowser.Model.Dto; using MediaBrowser.Model.Entities; @@ -53,7 +53,6 @@ namespace MediaBrowser.MediaEncoding.Encoder private readonly IServerConfigurationManager _configurationManager; private readonly IFileSystem _fileSystem; private readonly ILocalizationManager _localization; - private readonly Lazy<EncodingHelper> _encodingHelperFactory; private readonly string _startupOptionFFmpegPath; private readonly SemaphoreSlim _thumbnailResourcePool = new SemaphoreSlim(2, 2); @@ -77,16 +76,14 @@ namespace MediaBrowser.MediaEncoding.Encoder IServerConfigurationManager configurationManager, IFileSystem fileSystem, ILocalizationManager localization, - Lazy<EncodingHelper> encodingHelperFactory, IConfiguration config) { _logger = logger; _configurationManager = configurationManager; _fileSystem = fileSystem; _localization = localization; - _encodingHelperFactory = encodingHelperFactory; _startupOptionFFmpegPath = config.GetValue<string>(Controller.Extensions.ConfigurationExtensions.FfmpegPathKey) ?? string.Empty; - _jsonSerializerOptions = JsonDefaults.GetOptions(); + _jsonSerializerOptions = JsonDefaults.Options; } /// <inheritdoc /> @@ -103,7 +100,7 @@ namespace MediaBrowser.MediaEncoding.Encoder public void SetFFmpegPath() { // 1) Custom path stored in config/encoding xml file under tag <EncoderAppPath> takes precedence - if (!ValidatePath(_configurationManager.GetConfiguration<EncodingOptions>("encoding").EncoderAppPath, FFmpegLocation.Custom)) + if (!ValidatePath(_configurationManager.GetEncodingOptions().EncoderAppPath, FFmpegLocation.Custom)) { // 2) Check if the --ffmpeg CLI switch has been given if (!ValidatePath(_startupOptionFFmpegPath, FFmpegLocation.SetByArgument)) @@ -118,7 +115,7 @@ namespace MediaBrowser.MediaEncoding.Encoder } // Write the FFmpeg path to the config/encoding.xml file as <EncoderAppPathDisplay> so it appears in UI - var config = _configurationManager.GetConfiguration<EncodingOptions>("encoding"); + var config = _configurationManager.GetEncodingOptions(); config.EncoderAppPathDisplay = _ffmpegPath ?? string.Empty; _configurationManager.SaveConfiguration("encoding", config); @@ -177,7 +174,7 @@ namespace MediaBrowser.MediaEncoding.Encoder // Write the new ffmpeg path to the xml as <EncoderAppPath> // This ensures its not lost on next startup - var config = _configurationManager.GetConfiguration<EncodingOptions>("encoding"); + var config = _configurationManager.GetEncodingOptions(); config.EncoderAppPath = newPath; _configurationManager.SaveConfiguration("encoding", config); @@ -209,6 +206,7 @@ namespace MediaBrowser.MediaEncoding.Encoder _ffmpegPath = path; EncoderLocation = location; + return true; } else { @@ -295,6 +293,17 @@ namespace MediaBrowser.MediaEncoding.Encoder return _hwaccels.Contains(hwaccel, StringComparer.OrdinalIgnoreCase); } + public bool SupportsFilter(string filter, string option) + { + if (_ffmpegPath != null) + { + var validator = new EncoderValidator(_logger, _ffmpegPath); + return validator.CheckFilter(filter, option); + } + + return false; + } + public bool CanEncodeToAudioCodec(string codec) { if (string.Equals(codec, "opus", StringComparison.OrdinalIgnoreCase)) @@ -358,7 +367,7 @@ namespace MediaBrowser.MediaEncoding.Encoder public string GetInputArgument(string inputFile, MediaSourceInfo mediaSource) { var prefix = "file"; - if (mediaSource.VideoType == VideoType.BluRay || mediaSource.VideoType == VideoType.Iso) + if (mediaSource.VideoType == VideoType.BluRay) { prefix = "bluray"; } @@ -436,7 +445,7 @@ namespace MediaBrowser.MediaEncoding.Encoder if (result == null || (result.Streams == null && result.Format == null)) { - throw new Exception("ffprobe failed - streams and format are both null."); + throw new FfmpegException("ffprobe failed - streams and format are both null."); } if (result.Streams != null) @@ -559,32 +568,18 @@ namespace MediaBrowser.MediaEncoding.Encoder // apply some filters to thumbnail extracted below (below) crop any black lines that we made and get the correct ar. // This filter chain may have adverse effects on recorded tv thumbnails if ar changes during presentation ex. commercials @ diff ar - var vf = string.Empty; - - if (threedFormat.HasValue) + var vf = threedFormat switch { - switch (threedFormat.Value) - { - case Video3DFormat.HalfSideBySide: - vf = "-vf crop=iw/2:ih:0:0,scale=(iw*2):ih,setdar=dar=a,crop=min(iw\\,ih*dar):min(ih\\,iw/dar):(iw-min(iw\\,iw*sar))/2:(ih - min (ih\\,ih/sar))/2,setsar=sar=1"; - // hsbs crop width in half,scale to correct size, set the display aspect,crop out any black bars we may have made. Work out the correct height based on the display aspect it will maintain the aspect where -1 in this case (3d) may not. - break; - case Video3DFormat.FullSideBySide: - vf = "-vf crop=iw/2:ih:0:0,setdar=dar=a,crop=min(iw\\,ih*dar):min(ih\\,iw/dar):(iw-min(iw\\,iw*sar))/2:(ih - min (ih\\,ih/sar))/2,setsar=sar=1"; - // fsbs crop width in half,set the display aspect,crop out any black bars we may have made - break; - case Video3DFormat.HalfTopAndBottom: - vf = "-vf crop=iw:ih/2:0:0,scale=(iw*2):ih),setdar=dar=a,crop=min(iw\\,ih*dar):min(ih\\,iw/dar):(iw-min(iw\\,iw*sar))/2:(ih - min (ih\\,ih/sar))/2,setsar=sar=1"; - // htab crop heigh in half,scale to correct size, set the display aspect,crop out any black bars we may have made - break; - case Video3DFormat.FullTopAndBottom: - vf = "-vf crop=iw:ih/2:0:0,setdar=dar=a,crop=min(iw\\,ih*dar):min(ih\\,iw/dar):(iw-min(iw\\,iw*sar))/2:(ih - min (ih\\,ih/sar))/2,setsar=sar=1"; - // ftab crop heigt in half, set the display aspect,crop out any black bars we may have made - break; - default: - break; - } - } + // hsbs crop width in half,scale to correct size, set the display aspect,crop out any black bars we may have made. Work out the correct height based on the display aspect it will maintain the aspect where -1 in this case (3d) may not. + Video3DFormat.HalfSideBySide => "-vf crop=iw/2:ih:0:0,scale=(iw*2):ih,setdar=dar=a,crop=min(iw\\,ih*dar):min(ih\\,iw/dar):(iw-min(iw\\,iw*sar))/2:(ih - min (ih\\,ih/sar))/2,setsar=sar=1", + // fsbs crop width in half,set the display aspect,crop out any black bars we may have made + Video3DFormat.FullSideBySide => "-vf crop=iw/2:ih:0:0,setdar=dar=a,crop=min(iw\\,ih*dar):min(ih\\,iw/dar):(iw-min(iw\\,iw*sar))/2:(ih - min (ih\\,ih/sar))/2,setsar=sar=1", + // htab crop heigh in half,scale to correct size, set the display aspect,crop out any black bars we may have made + Video3DFormat.HalfTopAndBottom => "-vf crop=iw:ih/2:0:0,scale=(iw*2):ih),setdar=dar=a,crop=min(iw\\,ih*dar):min(ih\\,iw/dar):(iw-min(iw\\,iw*sar))/2:(ih - min (ih\\,ih/sar))/2,setsar=sar=1", + // ftab crop heigt in half, set the display aspect,crop out any black bars we may have made + Video3DFormat.FullTopAndBottom => "-vf crop=iw:ih/2:0:0,setdar=dar=a,crop=min(iw\\,ih*dar):min(ih\\,iw/dar):(iw-min(iw\\,iw*sar))/2:(ih - min (ih\\,ih/sar))/2,setsar=sar=1", + _ => string.Empty + }; var mapArg = imageStreamIndex.HasValue ? (" -map 0:v:" + imageStreamIndex.Value.ToString(CultureInfo.InvariantCulture)) : string.Empty; @@ -592,7 +587,7 @@ namespace MediaBrowser.MediaEncoding.Encoder if (enableHdrExtraction) { string tonemapFilters = "zscale=t=linear:npl=100,format=gbrpf32le,zscale=p=bt709,tonemap=tonemap=hable:desat=0:peak=100,zscale=t=bt709:m=bt709,format=yuv420p"; - if (string.IsNullOrEmpty(vf)) + if (vf.Length == 0) { vf = "-vf " + tonemapFilters; } @@ -621,35 +616,11 @@ namespace MediaBrowser.MediaEncoding.Encoder var args = string.Format(CultureInfo.InvariantCulture, "-i {0}{3} -threads {4} -v quiet -vframes 1 {2} -f image2 \"{1}\"", inputPath, tempExtractPath, vf, mapArg, threads); - var probeSizeArgument = string.Empty; - var analyzeDurationArgument = string.Empty; - - if (!string.IsNullOrWhiteSpace(probeSizeArgument)) - { - args = probeSizeArgument + " " + args; - } - - if (!string.IsNullOrWhiteSpace(analyzeDurationArgument)) - { - args = analyzeDurationArgument + " " + args; - } - if (offset.HasValue) { args = string.Format(CultureInfo.InvariantCulture, "-ss {0} ", GetTimeParameter(offset.Value)) + args; } - if (videoStream != null) - { - /* fix - var decoder = encodinghelper.GetHardwareAcceleratedVideoDecoder(VideoType.VideoFile, videoStream, GetEncodingOptions()); - if (!string.IsNullOrWhiteSpace(decoder)) - { - args = decoder + " " + args; - } - */ - } - if (!string.IsNullOrWhiteSpace(container)) { var inputFormat = EncodingHelper.GetInputFormat(container); @@ -711,7 +682,7 @@ namespace MediaBrowser.MediaEncoding.Encoder _logger.LogError(msg); - throw new Exception(msg); + throw new FfmpegException(msg); } return tempExtractPath; @@ -758,30 +729,6 @@ namespace MediaBrowser.MediaEncoding.Encoder var args = string.Format(CultureInfo.InvariantCulture, "-i {0} -threads {3} -v quiet {2} -f image2 \"{1}\"", inputArgument, outputPath, vf, threads); - var probeSizeArgument = string.Empty; - var analyzeDurationArgument = string.Empty; - - if (!string.IsNullOrWhiteSpace(probeSizeArgument)) - { - args = probeSizeArgument + " " + args; - } - - if (!string.IsNullOrWhiteSpace(analyzeDurationArgument)) - { - args = analyzeDurationArgument + " " + args; - } - - if (videoStream != null) - { - /* fix - var decoder = encodinghelper.GetHardwareAcceleratedVideoDecoder(VideoType.VideoFile, videoStream, GetEncodingOptions()); - if (!string.IsNullOrWhiteSpace(decoder)) - { - args = decoder + " " + args; - } - */ - } - if (!string.IsNullOrWhiteSpace(container)) { var inputFormat = EncodingHelper.GetInputFormat(container); @@ -860,7 +807,7 @@ namespace MediaBrowser.MediaEncoding.Encoder _logger.LogError(msg); - throw new Exception(msg); + throw new FfmpegException(msg); } } } diff --git a/MediaBrowser.MediaEncoding/FfmpegException.cs b/MediaBrowser.MediaEncoding/FfmpegException.cs new file mode 100644 index 000000000..1697fd33a --- /dev/null +++ b/MediaBrowser.MediaEncoding/FfmpegException.cs @@ -0,0 +1,39 @@ +using System; + +namespace MediaBrowser.MediaEncoding +{ + /// <summary> + /// Represents errors that occur during interaction with FFmpeg. + /// </summary> + public class FfmpegException : Exception + { + /// <summary> + /// Initializes a new instance of the <see cref="FfmpegException"/> class. + /// </summary> + public FfmpegException() + { + } + + /// <summary> + /// Initializes a new instance of the <see cref="FfmpegException"/> class with a specified error message. + /// </summary> + /// <param name="message">The message that describes the error.</param> + public FfmpegException(string message) : base(message) + { + } + + /// <summary> + /// Initializes a new instance of the <see cref="FfmpegException"/> class with a specified error message and a + /// reference to the inner exception that is the cause of this exception. + /// </summary> + /// <param name="message">The error message that explains the reason for the exception.</param> + /// <param name="innerException"> + /// The exception that is the cause of the current exception, or a null reference (Nothing in Visual Basic) if + /// no inner exception is specified. + /// </param> + public FfmpegException(string message, Exception innerException) + : base(message, innerException) + { + } + } +} diff --git a/MediaBrowser.MediaEncoding/MediaBrowser.MediaEncoding.csproj b/MediaBrowser.MediaEncoding/MediaBrowser.MediaEncoding.csproj index 7bb2a7d03..7733e715f 100644 --- a/MediaBrowser.MediaEncoding/MediaBrowser.MediaEncoding.csproj +++ b/MediaBrowser.MediaEncoding/MediaBrowser.MediaEncoding.csproj @@ -10,6 +10,9 @@ <GenerateAssemblyInfo>false</GenerateAssemblyInfo> <GenerateDocumentationFile>true</GenerateDocumentationFile> <TreatWarningsAsErrors>true</TreatWarningsAsErrors> + <Nullable>enable</Nullable> + <AnalysisMode>AllEnabledByDefault</AnalysisMode> + <CodeAnalysisRuleSet>../jellyfin.ruleset</CodeAnalysisRuleSet> </PropertyGroup> <ItemGroup> @@ -24,18 +27,14 @@ <ItemGroup> <PackageReference Include="BDInfo" Version="0.7.6.1" /> - <PackageReference Include="Microsoft.Extensions.Http" Version="3.1.6" /> + <PackageReference Include="libse" Version="3.6.0" /> + <PackageReference Include="Microsoft.Extensions.Http" Version="5.0.0" /> <PackageReference Include="System.Text.Encoding.CodePages" Version="5.0.0" /> <PackageReference Include="UTF.Unknown" Version="2.3.0" /> </ItemGroup> - <PropertyGroup Condition=" '$(Configuration)' == 'Debug' "> - <CodeAnalysisRuleSet>../jellyfin.ruleset</CodeAnalysisRuleSet> - </PropertyGroup> - <!-- Code Analyzers--> <ItemGroup Condition=" '$(Configuration)' == 'Debug' "> - <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.8" PrivateAssets="All" /> <PackageReference Include="SerilogAnalyzer" Version="0.15.0" PrivateAssets="All" /> <PackageReference Include="StyleCop.Analyzers" Version="1.1.118" PrivateAssets="All" /> <PackageReference Include="SmartAnalyzers.MultithreadingAnalyzer" Version="1.1.31" PrivateAssets="All" /> diff --git a/MediaBrowser.MediaEncoding/MediaBrowser.MediaEncoding.nuget.targets b/MediaBrowser.MediaEncoding/MediaBrowser.MediaEncoding.nuget.targets deleted file mode 100644 index f793e09bc..000000000 --- a/MediaBrowser.MediaEncoding/MediaBrowser.MediaEncoding.nuget.targets +++ /dev/null @@ -1,6 +0,0 @@ -<?xml version="1.0" encoding="utf-8" standalone="no"?> -<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> - <Target Name="EmitMSBuildWarning" BeforeTargets="Build"> - <Warning Text="Packages containing MSBuild targets and props files cannot be fully installed in projects targeting multiple frameworks. The MSBuild targets and props files have been ignored." /> - </Target> -</Project>
\ No newline at end of file diff --git a/MediaBrowser.MediaEncoding/Probing/FFProbeHelpers.cs b/MediaBrowser.MediaEncoding/Probing/FFProbeHelpers.cs index b2d4db894..1fa90bb21 100644 --- a/MediaBrowser.MediaEncoding/Probing/FFProbeHelpers.cs +++ b/MediaBrowser.MediaEncoding/Probing/FFProbeHelpers.cs @@ -1,5 +1,8 @@ +#nullable disable + using System; using System.Collections.Generic; +using System.Globalization; namespace MediaBrowser.MediaEncoding.Probing { @@ -85,12 +88,14 @@ namespace MediaBrowser.MediaEncoding.Probing { var val = GetDictionaryValue(tags, key); - if (!string.IsNullOrEmpty(val)) + if (string.IsNullOrEmpty(val)) { - if (DateTime.TryParse(val, out var i)) - { - return i.ToUniversalTime(); - } + return null; + } + + if (DateTime.TryParse(val, DateTimeFormatInfo.CurrentInfo, DateTimeStyles.AssumeUniversal, out var i)) + { + return i.ToUniversalTime(); } return null; diff --git a/MediaBrowser.MediaEncoding/Probing/InternalMediaInfoResult.cs b/MediaBrowser.MediaEncoding/Probing/InternalMediaInfoResult.cs index 0e319c1a8..d4d153b08 100644 --- a/MediaBrowser.MediaEncoding/Probing/InternalMediaInfoResult.cs +++ b/MediaBrowser.MediaEncoding/Probing/InternalMediaInfoResult.cs @@ -1,3 +1,5 @@ +#nullable disable + using System.Collections.Generic; using System.Text.Json.Serialization; diff --git a/MediaBrowser.MediaEncoding/Probing/MediaChapter.cs b/MediaBrowser.MediaEncoding/Probing/MediaChapter.cs index de062d06b..a1cef7a9f 100644 --- a/MediaBrowser.MediaEncoding/Probing/MediaChapter.cs +++ b/MediaBrowser.MediaEncoding/Probing/MediaChapter.cs @@ -1,3 +1,4 @@ +#nullable disable #pragma warning disable CS1591 using System.Collections.Generic; diff --git a/MediaBrowser.MediaEncoding/Probing/MediaFormatInfo.cs b/MediaBrowser.MediaEncoding/Probing/MediaFormatInfo.cs index 8af122ef9..d50da37b8 100644 --- a/MediaBrowser.MediaEncoding/Probing/MediaFormatInfo.cs +++ b/MediaBrowser.MediaEncoding/Probing/MediaFormatInfo.cs @@ -1,3 +1,5 @@ +#nullable disable + using System.Collections.Generic; using System.Text.Json.Serialization; diff --git a/MediaBrowser.MediaEncoding/Probing/MediaStreamInfo.cs b/MediaBrowser.MediaEncoding/Probing/MediaStreamInfo.cs index 8a7c032c5..c9c8c34c2 100644 --- a/MediaBrowser.MediaEncoding/Probing/MediaStreamInfo.cs +++ b/MediaBrowser.MediaEncoding/Probing/MediaStreamInfo.cs @@ -1,6 +1,7 @@ +#nullable disable + using System.Collections.Generic; using System.Text.Json.Serialization; -using MediaBrowser.Common.Json.Converters; namespace MediaBrowser.MediaEncoding.Probing { diff --git a/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs b/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs index bd026bce1..bbff5daca 100644 --- a/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs +++ b/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs @@ -1,3 +1,4 @@ +#nullable disable #pragma warning disable CS1591 using System; @@ -29,7 +30,7 @@ namespace MediaBrowser.MediaEncoding.Probing private readonly ILogger _logger; private readonly ILocalizationManager _localization; - private List<string> _splitWhiteList = null; + private string[] _splitWhiteList; public ProbeResultNormalizer(ILogger logger, ILocalizationManager localization) { @@ -37,6 +38,8 @@ namespace MediaBrowser.MediaEncoding.Probing _localization = localization; } + private IReadOnlyList<string> SplitWhitelist => _splitWhiteList ??= new string[] { "AC/DC" }; + public MediaInfo GetMediaInfo(InternalMediaInfoResult data, VideoType? videoType, bool isAudio, string path, MediaProtocol protocol) { var info = new MediaInfo @@ -57,7 +60,7 @@ namespace MediaBrowser.MediaEncoding.Probing .Where(i => i.Type != MediaStreamType.Subtitle || !string.IsNullOrWhiteSpace(i.Codec)) .ToList(); - info.MediaAttachments = internalStreams.Select(s => GetMediaAttachment(s)) + info.MediaAttachments = internalStreams.Select(GetMediaAttachment) .Where(i => i != null) .ToList(); @@ -121,18 +124,67 @@ namespace MediaBrowser.MediaEncoding.Probing { info.Name = title; } + else + { + title = FFProbeHelpers.GetDictionaryValue(tags, "title-eng"); + if (!string.IsNullOrWhiteSpace(title)) + { + info.Name = title; + } + } + + var titleSort = FFProbeHelpers.GetDictionaryValue(tags, "titlesort"); + if (!string.IsNullOrWhiteSpace(titleSort)) + { + info.ForcedSortName = titleSort; + } info.IndexNumber = FFProbeHelpers.GetDictionaryNumericValue(tags, "episode_sort"); info.ParentIndexNumber = FFProbeHelpers.GetDictionaryNumericValue(tags, "season_number"); info.ShowName = FFProbeHelpers.GetDictionaryValue(tags, "show_name"); info.ProductionYear = FFProbeHelpers.GetDictionaryNumericValue(tags, "date"); - // Several different forms of retaildate - info.PremiereDate = FFProbeHelpers.GetDictionaryDateTime(tags, "retaildate") ?? + // Several different forms of retail/premiere date + info.PremiereDate = + FFProbeHelpers.GetDictionaryDateTime(tags, "retaildate") ?? FFProbeHelpers.GetDictionaryDateTime(tags, "retail date") ?? FFProbeHelpers.GetDictionaryDateTime(tags, "retail_date") ?? + FFProbeHelpers.GetDictionaryDateTime(tags, "date_released") ?? FFProbeHelpers.GetDictionaryDateTime(tags, "date"); + // Set common metadata for music (audio) and music videos (video) + info.Album = FFProbeHelpers.GetDictionaryValue(tags, "album"); + + var artists = FFProbeHelpers.GetDictionaryValue(tags, "artists"); + + if (!string.IsNullOrWhiteSpace(artists)) + { + info.Artists = SplitArtists(artists, new[] { '/', ';' }, false) + .DistinctNames() + .ToArray(); + } + else + { + var artist = FFProbeHelpers.GetDictionaryValue(tags, "artist"); + if (string.IsNullOrWhiteSpace(artist)) + { + info.Artists = Array.Empty<string>(); + } + else + { + info.Artists = SplitArtists(artist, _nameDelimiters, true) + .DistinctNames() + .ToArray(); + } + } + + // If we don't have a ProductionYear try and get it from PremiereDate + if (!info.ProductionYear.HasValue && info.PremiereDate.HasValue) + { + info.ProductionYear = info.PremiereDate.Value.Year; + } + + // Set mediaType-specific metadata if (isAudio) { SetAudioRuntimeTicks(data, info); @@ -640,7 +692,7 @@ namespace MediaBrowser.MediaEncoding.Probing } // Filter out junk - if (!string.IsNullOrWhiteSpace(streamInfo.CodecTagString) && streamInfo.CodecTagString.IndexOf("[0]", StringComparison.OrdinalIgnoreCase) == -1) + if (!string.IsNullOrWhiteSpace(streamInfo.CodecTagString) && !streamInfo.CodecTagString.Contains("[0]", StringComparison.OrdinalIgnoreCase)) { stream.CodecTag = streamInfo.CodecTagString; } @@ -681,9 +733,9 @@ namespace MediaBrowser.MediaEncoding.Probing { stream.Type = MediaStreamType.Subtitle; stream.Codec = NormalizeSubtitleCodec(stream.Codec); - stream.localizedUndefined = _localization.GetLocalizedString("Undefined"); - stream.localizedDefault = _localization.GetLocalizedString("Default"); - stream.localizedForced = _localization.GetLocalizedString("Forced"); + stream.LocalizedUndefined = _localization.GetLocalizedString("Undefined"); + stream.LocalizedDefault = _localization.GetLocalizedString("Default"); + stream.LocalizedForced = _localization.GetLocalizedString("Forced"); } else if (string.Equals(streamInfo.CodecType, "video", StringComparison.OrdinalIgnoreCase)) { @@ -1075,13 +1127,13 @@ namespace MediaBrowser.MediaEncoding.Probing private void SetAudioInfoFromTags(MediaInfo audio, Dictionary<string, string> tags) { - var peoples = new List<BaseItemPerson>(); + var people = new List<BaseItemPerson>(); var composer = FFProbeHelpers.GetDictionaryValue(tags, "composer"); if (!string.IsNullOrWhiteSpace(composer)) { foreach (var person in Split(composer, false)) { - peoples.Add(new BaseItemPerson { Name = person, Type = PersonType.Composer }); + people.Add(new BaseItemPerson { Name = person, Type = PersonType.Composer }); } } @@ -1090,7 +1142,7 @@ namespace MediaBrowser.MediaEncoding.Probing { foreach (var person in Split(conductor, false)) { - peoples.Add(new BaseItemPerson { Name = person, Type = PersonType.Conductor }); + people.Add(new BaseItemPerson { Name = person, Type = PersonType.Conductor }); } } @@ -1099,46 +1151,21 @@ namespace MediaBrowser.MediaEncoding.Probing { foreach (var person in Split(lyricist, false)) { - peoples.Add(new BaseItemPerson { Name = person, Type = PersonType.Lyricist }); + people.Add(new BaseItemPerson { Name = person, Type = PersonType.Lyricist }); } } // Check for writer some music is tagged that way as alternative to composer/lyricist var writer = FFProbeHelpers.GetDictionaryValue(tags, "writer"); - if (!string.IsNullOrWhiteSpace(writer)) { foreach (var person in Split(writer, false)) { - peoples.Add(new BaseItemPerson { Name = person, Type = PersonType.Writer }); + people.Add(new BaseItemPerson { Name = person, Type = PersonType.Writer }); } } - audio.People = peoples.ToArray(); - audio.Album = FFProbeHelpers.GetDictionaryValue(tags, "album"); - - var artists = FFProbeHelpers.GetDictionaryValue(tags, "artists"); - - if (!string.IsNullOrWhiteSpace(artists)) - { - audio.Artists = SplitArtists(artists, new[] { '/', ';' }, false) - .DistinctNames() - .ToArray(); - } - else - { - var artist = FFProbeHelpers.GetDictionaryValue(tags, "artist"); - if (string.IsNullOrWhiteSpace(artist)) - { - audio.Artists = Array.Empty<string>(); - } - else - { - audio.Artists = SplitArtists(artist, _nameDelimiters, true) - .DistinctNames() - .ToArray(); - } - } + audio.People = people.ToArray(); var albumArtist = FFProbeHelpers.GetDictionaryValue(tags, "albumartist"); if (string.IsNullOrWhiteSpace(albumArtist)) @@ -1173,12 +1200,6 @@ namespace MediaBrowser.MediaEncoding.Probing // Disc number audio.ParentIndexNumber = GetDictionaryDiscValue(tags, "disc"); - // If we don't have a ProductionYear try and get it from PremiereDate - if (audio.PremiereDate.HasValue && !audio.ProductionYear.HasValue) - { - audio.ProductionYear = audio.PremiereDate.Value.ToLocalTime().Year; - } - // There's several values in tags may or may not be present FetchStudios(audio, tags, "organization"); FetchStudios(audio, tags, "ensemble"); @@ -1186,43 +1207,28 @@ namespace MediaBrowser.MediaEncoding.Probing FetchStudios(audio, tags, "label"); // These support mulitple values, but for now we only store the first. - var mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Album Artist Id")); - if (mb == null) - { - mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_ALBUMARTISTID")); - } + var mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Album Artist Id")) + ?? GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_ALBUMARTISTID")); audio.SetProviderId(MetadataProvider.MusicBrainzAlbumArtist, mb); - mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Artist Id")); - if (mb == null) - { - mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_ARTISTID")); - } + mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Artist Id")) + ?? GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_ARTISTID")); audio.SetProviderId(MetadataProvider.MusicBrainzArtist, mb); - mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Album Id")); - if (mb == null) - { - mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_ALBUMID")); - } + mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Album Id")) + ?? GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_ALBUMID")); audio.SetProviderId(MetadataProvider.MusicBrainzAlbum, mb); - mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Release Group Id")); - if (mb == null) - { - mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_RELEASEGROUPID")); - } + mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Release Group Id")) + ?? GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_RELEASEGROUPID")); audio.SetProviderId(MetadataProvider.MusicBrainzReleaseGroup, mb); - mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Release Track Id")); - if (mb == null) - { - mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_RELEASETRACKID")); - } + mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Release Track Id")) + ?? GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_RELEASETRACKID")); audio.SetProviderId(MetadataProvider.MusicBrainzTrack, mb); } @@ -1268,7 +1274,7 @@ namespace MediaBrowser.MediaEncoding.Probing var artistsFound = new List<string>(); - foreach (var whitelistArtist in GetSplitWhitelist()) + foreach (var whitelistArtist in SplitWhitelist) { var originalVal = val; val = val.Replace(whitelistArtist, "|", StringComparison.OrdinalIgnoreCase); @@ -1287,19 +1293,6 @@ namespace MediaBrowser.MediaEncoding.Probing return artistsFound; } - private IEnumerable<string> GetSplitWhitelist() - { - if (_splitWhiteList == null) - { - _splitWhiteList = new List<string> - { - "AC/DC" - }; - } - - return _splitWhiteList; - } - /// <summary> /// Gets the studios from the tags collection. /// </summary> @@ -1496,19 +1489,31 @@ namespace MediaBrowser.MediaEncoding.Probing video.IndexNumber = int.Parse(numbers[0].Replace(".", string.Empty, StringComparison.Ordinal).Split('/')[0], CultureInfo.InvariantCulture); int totalEpisodesInSeason = int.Parse(numbers[0].Replace(".", string.Empty, StringComparison.Ordinal).Split('/')[1], CultureInfo.InvariantCulture); - description = string.Join(" ", numbers, 1, numbers.Length - 1).Trim(); // Skip the first, concatenate the rest, clean up spaces and save it + description = string.Join(' ', numbers, 1, numbers.Length - 1).Trim(); // Skip the first, concatenate the rest, clean up spaces and save it } else { - throw new Exception(); // Switch to default parsing + // Switch to default parsing + if (subtitle.Contains('.', StringComparison.Ordinal)) + { + // skip the comment, keep the subtitle + description = string.Join('.', subtitle.Split('.'), 1, subtitle.Split('.').Length - 1).Trim(); // skip the first + } + else + { + description = subtitle.Trim(); // Clean up whitespaces and save it + } } } - catch // Default parsing + catch (Exception ex) { + _logger.LogError(ex, "Error while parsing subtitle field"); + + // Default parsing if (subtitle.Contains('.', StringComparison.Ordinal)) { // skip the comment, keep the subtitle - description = string.Join(".", subtitle.Split('.'), 1, subtitle.Split('.').Length - 1).Trim(); // skip the first + description = string.Join('.', subtitle.Split('.'), 1, subtitle.Split('.').Length - 1).Trim(); // skip the first } else { diff --git a/MediaBrowser.MediaEncoding/Subtitles/AssParser.cs b/MediaBrowser.MediaEncoding/Subtitles/AssParser.cs index 86b87fddd..08ee5c72e 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/AssParser.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/AssParser.cs @@ -1,128 +1,19 @@ -#pragma warning disable CS1591 - -using System; -using System.Collections.Generic; -using System.Globalization; -using System.IO; -using System.Linq; -using System.Text.RegularExpressions; -using System.Threading; -using MediaBrowser.Model.MediaInfo; +using Microsoft.Extensions.Logging; +using Nikse.SubtitleEdit.Core.SubtitleFormats; namespace MediaBrowser.MediaEncoding.Subtitles { - public class AssParser : ISubtitleParser + /// <summary> + /// Advanced SubStation Alpha subtitle parser. + /// </summary> + public class AssParser : SubtitleEditParser<AdvancedSubStationAlpha> { - private readonly CultureInfo _usCulture = new CultureInfo("en-US"); - - /// <inheritdoc /> - public SubtitleTrackInfo Parse(Stream stream, CancellationToken cancellationToken) - { - var trackInfo = new SubtitleTrackInfo(); - var trackEvents = new List<SubtitleTrackEvent>(); - var eventIndex = 1; - using (var reader = new StreamReader(stream)) - { - string line; - while (reader.ReadLine() != "[Events]") - { - } - - var headers = ParseFieldHeaders(reader.ReadLine()); - - while ((line = reader.ReadLine()) != null) - { - cancellationToken.ThrowIfCancellationRequested(); - - if (string.IsNullOrWhiteSpace(line)) - { - continue; - } - - if (line[0] == '[') - { - break; - } - - var subEvent = new SubtitleTrackEvent { Id = eventIndex.ToString(_usCulture) }; - eventIndex++; - var sections = line.Substring(10).Split(','); - - subEvent.StartPositionTicks = GetTicks(sections[headers["Start"]]); - subEvent.EndPositionTicks = GetTicks(sections[headers["End"]]); - - subEvent.Text = string.Join(",", sections.Skip(headers["Text"])); - RemoteNativeFormatting(subEvent); - - subEvent.Text = subEvent.Text.Replace("\\n", ParserValues.NewLine, StringComparison.OrdinalIgnoreCase); - - subEvent.Text = Regex.Replace(subEvent.Text, @"\{(\\[\w]+\(?([\w\d]+,?)+\)?)+\}", string.Empty, RegexOptions.IgnoreCase); - - trackEvents.Add(subEvent); - } - } - - trackInfo.TrackEvents = trackEvents.ToArray(); - return trackInfo; - } - - private long GetTicks(ReadOnlySpan<char> time) + /// <summary> + /// Initializes a new instance of the <see cref="AssParser"/> class. + /// </summary> + /// <param name="logger">The logger.</param> + public AssParser(ILogger logger) : base(logger) { - return TimeSpan.TryParseExact(time, @"h\:mm\:ss\.ff", _usCulture, out var span) - ? span.Ticks : 0; - } - - private Dictionary<string, int> ParseFieldHeaders(string line) - { - var fields = line.Substring(8).Split(',').Select(x => x.Trim()).ToList(); - - return new Dictionary<string, int> - { - { "Start", fields.IndexOf("Start") }, - { "End", fields.IndexOf("End") }, - { "Text", fields.IndexOf("Text") } - }; - } - - private void RemoteNativeFormatting(SubtitleTrackEvent p) - { - int indexOfBegin = p.Text.IndexOf('{', StringComparison.Ordinal); - string pre = string.Empty; - while (indexOfBegin >= 0 && p.Text.IndexOf('}', StringComparison.Ordinal) > indexOfBegin) - { - string s = p.Text.Substring(indexOfBegin); - if (s.StartsWith("{\\an1}", StringComparison.Ordinal) || - s.StartsWith("{\\an2}", StringComparison.Ordinal) || - s.StartsWith("{\\an3}", StringComparison.Ordinal) || - s.StartsWith("{\\an4}", StringComparison.Ordinal) || - s.StartsWith("{\\an5}", StringComparison.Ordinal) || - s.StartsWith("{\\an6}", StringComparison.Ordinal) || - s.StartsWith("{\\an7}", StringComparison.Ordinal) || - s.StartsWith("{\\an8}", StringComparison.Ordinal) || - s.StartsWith("{\\an9}", StringComparison.Ordinal)) - { - pre = s.Substring(0, 6); - } - else if (s.StartsWith("{\\an1\\", StringComparison.Ordinal) || - s.StartsWith("{\\an2\\", StringComparison.Ordinal) || - s.StartsWith("{\\an3\\", StringComparison.Ordinal) || - s.StartsWith("{\\an4\\", StringComparison.Ordinal) || - s.StartsWith("{\\an5\\", StringComparison.Ordinal) || - s.StartsWith("{\\an6\\", StringComparison.Ordinal) || - s.StartsWith("{\\an7\\", StringComparison.Ordinal) || - s.StartsWith("{\\an8\\", StringComparison.Ordinal) || - s.StartsWith("{\\an9\\", StringComparison.Ordinal)) - { - pre = s.Substring(0, 5) + "}"; - } - - int indexOfEnd = p.Text.IndexOf('}', StringComparison.Ordinal); - p.Text = p.Text.Remove(indexOfBegin, (indexOfEnd - indexOfBegin) + 1); - - indexOfBegin = p.Text.IndexOf('{', StringComparison.Ordinal); - } - - p.Text = pre + p.Text; } } } diff --git a/MediaBrowser.MediaEncoding/Subtitles/ParserValues.cs b/MediaBrowser.MediaEncoding/Subtitles/ParserValues.cs deleted file mode 100644 index dca5c1e8a..000000000 --- a/MediaBrowser.MediaEncoding/Subtitles/ParserValues.cs +++ /dev/null @@ -1,10 +0,0 @@ -#nullable enable -#pragma warning disable CS1591 - -namespace MediaBrowser.MediaEncoding.Subtitles -{ - public static class ParserValues - { - public const string NewLine = "\r\n"; - } -} diff --git a/MediaBrowser.MediaEncoding/Subtitles/SrtParser.cs b/MediaBrowser.MediaEncoding/Subtitles/SrtParser.cs index cc35efb3f..78d54ca51 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/SrtParser.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/SrtParser.cs @@ -1,102 +1,19 @@ -#pragma warning disable CS1591 - -using System; -using System.Collections.Generic; -using System.Globalization; -using System.IO; -using System.Text.RegularExpressions; -using System.Threading; -using MediaBrowser.Model.MediaInfo; using Microsoft.Extensions.Logging; +using Nikse.SubtitleEdit.Core.SubtitleFormats; namespace MediaBrowser.MediaEncoding.Subtitles { - public class SrtParser : ISubtitleParser + /// <summary> + /// SubRip subtitle parser. + /// </summary> + public class SrtParser : SubtitleEditParser<SubRip> { - private readonly ILogger _logger; - - private readonly CultureInfo _usCulture = new CultureInfo("en-US"); - - public SrtParser(ILogger logger) - { - _logger = logger; - } - - /// <inheritdoc /> - public SubtitleTrackInfo Parse(Stream stream, CancellationToken cancellationToken) - { - var trackInfo = new SubtitleTrackInfo(); - var trackEvents = new List<SubtitleTrackEvent>(); - using (var reader = new StreamReader(stream)) - { - string line; - while ((line = reader.ReadLine()) != null) - { - cancellationToken.ThrowIfCancellationRequested(); - - if (string.IsNullOrWhiteSpace(line)) - { - continue; - } - - var subEvent = new SubtitleTrackEvent { Id = line }; - line = reader.ReadLine(); - - if (string.IsNullOrWhiteSpace(line)) - { - continue; - } - - var time = Regex.Split(line, @"[\t ]*-->[\t ]*"); - - if (time.Length < 2) - { - // This occurs when subtitle text has an empty line as part of the text. - // Need to adjust the break statement below to resolve this. - _logger.LogWarning("Unrecognized line in srt: {0}", line); - continue; - } - - subEvent.StartPositionTicks = GetTicks(time[0]); - var endTime = time[1].AsSpan(); - var idx = endTime.IndexOf(' '); - if (idx > 0) - { - endTime = endTime.Slice(0, idx); - } - - subEvent.EndPositionTicks = GetTicks(endTime); - var multiline = new List<string>(); - while ((line = reader.ReadLine()) != null) - { - if (string.IsNullOrEmpty(line)) - { - break; - } - - multiline.Add(line); - } - - subEvent.Text = string.Join(ParserValues.NewLine, multiline); - subEvent.Text = subEvent.Text.Replace(@"\N", ParserValues.NewLine, StringComparison.OrdinalIgnoreCase); - subEvent.Text = Regex.Replace(subEvent.Text, @"\{(?:\\\d?[\w.-]+(?:\([^\)]*\)|&H?[0-9A-Fa-f]+&|))+\}", string.Empty, RegexOptions.IgnoreCase); - subEvent.Text = Regex.Replace(subEvent.Text, "<", "<", RegexOptions.IgnoreCase); - subEvent.Text = Regex.Replace(subEvent.Text, ">", ">", RegexOptions.IgnoreCase); - subEvent.Text = Regex.Replace(subEvent.Text, "<(\\/?(font|b|u|i|s))((\\s+(\\w|\\w[\\w\\-]*\\w)(\\s*=\\s*(?:\\\".*?\\\"|'.*?'|[^'\\\">\\s]+))?)+\\s*|\\s*)(\\/?)>", "<$1$3$7>", RegexOptions.IgnoreCase); - trackEvents.Add(subEvent); - } - } - - trackInfo.TrackEvents = trackEvents.ToArray(); - return trackInfo; - } - - private long GetTicks(ReadOnlySpan<char> time) + /// <summary> + /// Initializes a new instance of the <see cref="SrtParser"/> class. + /// </summary> + /// <param name="logger">The logger.</param> + public SrtParser(ILogger logger) : base(logger) { - return TimeSpan.TryParseExact(time, @"hh\:mm\:ss\.fff", _usCulture, out var span) - ? span.Ticks - : (TimeSpan.TryParseExact(time, @"hh\:mm\:ss\,fff", _usCulture, out span) - ? span.Ticks : 0); } } } diff --git a/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs b/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs index db6b47583..17c2ae40e 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs @@ -1,469 +1,19 @@ -using System; -using System.Collections.Generic; -using System.Globalization; -using System.IO; -using System.Text; -using System.Threading; -using MediaBrowser.Model.MediaInfo; +using Microsoft.Extensions.Logging; +using Nikse.SubtitleEdit.Core.SubtitleFormats; namespace MediaBrowser.MediaEncoding.Subtitles { /// <summary> - /// <see href="https://github.com/SubtitleEdit/subtitleedit/blob/a299dc4407a31796364cc6ad83f0d3786194ba22/src/Logic/SubtitleFormats/SubStationAlpha.cs">Credit</see>. + /// SubStation Alpha subtitle parser. /// </summary> - public class SsaParser : ISubtitleParser + public class SsaParser : SubtitleEditParser<SubStationAlpha> { - /// <inheritdoc /> - public SubtitleTrackInfo Parse(Stream stream, CancellationToken cancellationToken) + /// <summary> + /// Initializes a new instance of the <see cref="SsaParser"/> class. + /// </summary> + /// <param name="logger">The logger.</param> + public SsaParser(ILogger logger) : base(logger) { - var trackInfo = new SubtitleTrackInfo(); - var trackEvents = new List<SubtitleTrackEvent>(); - - using (var reader = new StreamReader(stream)) - { - bool eventsStarted = false; - - string[] format = "Marked, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text".Split(','); - int indexLayer = 0; - int indexStart = 1; - int indexEnd = 2; - int indexStyle = 3; - int indexName = 4; - int indexEffect = 8; - int indexText = 9; - int lineNumber = 0; - - var header = new StringBuilder(); - - string line; - - while ((line = reader.ReadLine()) != null) - { - cancellationToken.ThrowIfCancellationRequested(); - - lineNumber++; - if (!eventsStarted) - { - header.AppendLine(line); - } - - if (string.Equals(line.Trim(), "[events]", StringComparison.OrdinalIgnoreCase)) - { - eventsStarted = true; - } - else if (!string.IsNullOrEmpty(line) && line.Trim().StartsWith(';')) - { - // skip comment lines - } - else if (eventsStarted && line.Trim().Length > 0) - { - string s = line.Trim().ToLowerInvariant(); - if (s.StartsWith("format:", StringComparison.Ordinal)) - { - if (line.Length > 10) - { - format = line.ToLowerInvariant().Substring(8).Split(','); - for (int i = 0; i < format.Length; i++) - { - if (string.Equals(format[i].Trim(), "layer", StringComparison.OrdinalIgnoreCase)) - { - indexLayer = i; - } - else if (string.Equals(format[i].Trim(), "start", StringComparison.OrdinalIgnoreCase)) - { - indexStart = i; - } - else if (string.Equals(format[i].Trim(), "end", StringComparison.OrdinalIgnoreCase)) - { - indexEnd = i; - } - else if (string.Equals(format[i].Trim(), "text", StringComparison.OrdinalIgnoreCase)) - { - indexText = i; - } - else if (string.Equals(format[i].Trim(), "effect", StringComparison.OrdinalIgnoreCase)) - { - indexEffect = i; - } - else if (string.Equals(format[i].Trim(), "style", StringComparison.OrdinalIgnoreCase)) - { - indexStyle = i; - } - } - } - } - else if (!string.IsNullOrEmpty(s)) - { - string text = string.Empty; - string start = string.Empty; - string end = string.Empty; - string style = string.Empty; - string layer = string.Empty; - string effect = string.Empty; - string name = string.Empty; - - string[] splittedLine; - - if (s.StartsWith("dialogue:", StringComparison.Ordinal)) - { - splittedLine = line.Substring(10).Split(','); - } - else - { - splittedLine = line.Split(','); - } - - for (int i = 0; i < splittedLine.Length; i++) - { - if (i == indexStart) - { - start = splittedLine[i].Trim(); - } - else if (i == indexEnd) - { - end = splittedLine[i].Trim(); - } - else if (i == indexLayer) - { - layer = splittedLine[i]; - } - else if (i == indexEffect) - { - effect = splittedLine[i]; - } - else if (i == indexText) - { - text = splittedLine[i]; - } - else if (i == indexStyle) - { - style = splittedLine[i]; - } - else if (i == indexName) - { - name = splittedLine[i]; - } - else if (i > indexText) - { - text += "," + splittedLine[i]; - } - } - - try - { - trackEvents.Add( - new SubtitleTrackEvent - { - StartPositionTicks = GetTimeCodeFromString(start), - EndPositionTicks = GetTimeCodeFromString(end), - Text = GetFormattedText(text) - }); - } - catch - { - } - } - } - } - - // if (header.Length > 0) - // subtitle.Header = header.ToString(); - - // subtitle.Renumber(1); - } - - trackInfo.TrackEvents = trackEvents.ToArray(); - return trackInfo; - } - - private static long GetTimeCodeFromString(string time) - { - // h:mm:ss.cc - string[] timeCode = time.Split(':', '.'); - return new TimeSpan( - 0, - int.Parse(timeCode[0], CultureInfo.InvariantCulture), - int.Parse(timeCode[1], CultureInfo.InvariantCulture), - int.Parse(timeCode[2], CultureInfo.InvariantCulture), - int.Parse(timeCode[3], CultureInfo.InvariantCulture) * 10).Ticks; - } - - private static string GetFormattedText(string text) - { - text = text.Replace("\\n", ParserValues.NewLine, StringComparison.OrdinalIgnoreCase); - - for (int i = 0; i < 10; i++) // just look ten times... - { - if (text.Contains(@"{\fn", StringComparison.Ordinal)) - { - int start = text.IndexOf(@"{\fn", StringComparison.Ordinal); - int end = text.IndexOf('}', start); - if (end > 0 && !text.Substring(start).StartsWith("{\\fn}", StringComparison.Ordinal)) - { - string fontName = text.Substring(start + 4, end - (start + 4)); - string extraTags = string.Empty; - CheckAndAddSubTags(ref fontName, ref extraTags, out bool italic); - text = text.Remove(start, end - start + 1); - if (italic) - { - text = text.Insert(start, "<font face=\"" + fontName + "\"" + extraTags + "><i>"); - } - else - { - text = text.Insert(start, "<font face=\"" + fontName + "\"" + extraTags + ">"); - } - - int indexOfEndTag = text.IndexOf("{\\fn}", start, StringComparison.Ordinal); - if (indexOfEndTag > 0) - { - text = text.Remove(indexOfEndTag, "{\\fn}".Length).Insert(indexOfEndTag, "</font>"); - } - else - { - text += "</font>"; - } - } - } - - if (text.Contains(@"{\fs", StringComparison.Ordinal)) - { - int start = text.IndexOf(@"{\fs", StringComparison.Ordinal); - int end = text.IndexOf('}', start); - if (end > 0 && !text.Substring(start).StartsWith("{\\fs}", StringComparison.Ordinal)) - { - string fontSize = text.Substring(start + 4, end - (start + 4)); - string extraTags = string.Empty; - CheckAndAddSubTags(ref fontSize, ref extraTags, out bool italic); - if (IsInteger(fontSize)) - { - text = text.Remove(start, end - start + 1); - if (italic) - { - text = text.Insert(start, "<font size=\"" + fontSize + "\"" + extraTags + "><i>"); - } - else - { - text = text.Insert(start, "<font size=\"" + fontSize + "\"" + extraTags + ">"); - } - - int indexOfEndTag = text.IndexOf("{\\fs}", start, StringComparison.Ordinal); - if (indexOfEndTag > 0) - { - text = text.Remove(indexOfEndTag, "{\\fs}".Length).Insert(indexOfEndTag, "</font>"); - } - else - { - text += "</font>"; - } - } - } - } - - if (text.Contains(@"{\c", StringComparison.Ordinal)) - { - int start = text.IndexOf(@"{\c", StringComparison.Ordinal); - int end = text.IndexOf('}', start); - if (end > 0 && !text.Substring(start).StartsWith("{\\c}", StringComparison.Ordinal)) - { - string color = text.Substring(start + 4, end - (start + 4)); - string extraTags = string.Empty; - CheckAndAddSubTags(ref color, ref extraTags, out bool italic); - - color = color.Replace("&", string.Empty, StringComparison.Ordinal).TrimStart('H'); - color = color.PadLeft(6, '0'); - - // switch to rrggbb from bbggrr - color = "#" + color.Remove(color.Length - 6) + color.Substring(color.Length - 2, 2) + color.Substring(color.Length - 4, 2) + color.Substring(color.Length - 6, 2); - color = color.ToLowerInvariant(); - - text = text.Remove(start, end - start + 1); - if (italic) - { - text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + "><i>"); - } - else - { - text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + ">"); - } - - int indexOfEndTag = text.IndexOf("{\\c}", start, StringComparison.Ordinal); - if (indexOfEndTag > 0) - { - text = text.Remove(indexOfEndTag, "{\\c}".Length).Insert(indexOfEndTag, "</font>"); - } - else - { - text += "</font>"; - } - } - } - - if (text.Contains(@"{\1c", StringComparison.Ordinal)) // "1" specifices primary color - { - int start = text.IndexOf(@"{\1c", StringComparison.Ordinal); - int end = text.IndexOf('}', start); - if (end > 0 && !text.Substring(start).StartsWith("{\\1c}", StringComparison.Ordinal)) - { - string color = text.Substring(start + 5, end - (start + 5)); - string extraTags = string.Empty; - CheckAndAddSubTags(ref color, ref extraTags, out bool italic); - - color = color.Replace("&", string.Empty, StringComparison.Ordinal).TrimStart('H'); - color = color.PadLeft(6, '0'); - - // switch to rrggbb from bbggrr - color = "#" + color.Remove(color.Length - 6) + color.Substring(color.Length - 2, 2) + color.Substring(color.Length - 4, 2) + color.Substring(color.Length - 6, 2); - color = color.ToLowerInvariant(); - - text = text.Remove(start, end - start + 1); - if (italic) - { - text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + "><i>"); - } - else - { - text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + ">"); - } - - text += "</font>"; - } - } - } - - text = text.Replace(@"{\i1}", "<i>", StringComparison.Ordinal); - text = text.Replace(@"{\i0}", "</i>", StringComparison.Ordinal); - text = text.Replace(@"{\i}", "</i>", StringComparison.Ordinal); - if (CountTagInText(text, "<i>") > CountTagInText(text, "</i>")) - { - text += "</i>"; - } - - text = text.Replace(@"{\u1}", "<u>", StringComparison.Ordinal); - text = text.Replace(@"{\u0}", "</u>", StringComparison.Ordinal); - text = text.Replace(@"{\u}", "</u>", StringComparison.Ordinal); - if (CountTagInText(text, "<u>") > CountTagInText(text, "</u>")) - { - text += "</u>"; - } - - text = text.Replace(@"{\b1}", "<b>", StringComparison.Ordinal); - text = text.Replace(@"{\b0}", "</b>", StringComparison.Ordinal); - text = text.Replace(@"{\b}", "</b>", StringComparison.Ordinal); - if (CountTagInText(text, "<b>") > CountTagInText(text, "</b>")) - { - text += "</b>"; - } - - return text; - } - - private static bool IsInteger(string s) - => int.TryParse(s, out _); - - private static int CountTagInText(string text, string tag) - { - int count = 0; - int index = text.IndexOf(tag, StringComparison.Ordinal); - while (index >= 0) - { - count++; - if (index == text.Length) - { - return count; - } - - index = text.IndexOf(tag, index + 1, StringComparison.Ordinal); - } - - return count; - } - - private static void CheckAndAddSubTags(ref string tagName, ref string extraTags, out bool italic) - { - italic = false; - int indexOfSPlit = tagName.IndexOf('\\', StringComparison.Ordinal); - if (indexOfSPlit > 0) - { - string rest = tagName.Substring(indexOfSPlit).TrimStart('\\'); - tagName = tagName.Remove(indexOfSPlit); - - for (int i = 0; i < 10; i++) - { - if (rest.StartsWith("fs", StringComparison.Ordinal) && rest.Length > 2) - { - indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal); - string fontSize = rest; - if (indexOfSPlit > 0) - { - fontSize = rest.Substring(0, indexOfSPlit); - rest = rest.Substring(indexOfSPlit).TrimStart('\\'); - } - else - { - rest = string.Empty; - } - - extraTags += " size=\"" + fontSize.Substring(2) + "\""; - } - else if (rest.StartsWith("fn", StringComparison.Ordinal) && rest.Length > 2) - { - indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal); - string fontName = rest; - if (indexOfSPlit > 0) - { - fontName = rest.Substring(0, indexOfSPlit); - rest = rest.Substring(indexOfSPlit).TrimStart('\\'); - } - else - { - rest = string.Empty; - } - - extraTags += " face=\"" + fontName.Substring(2) + "\""; - } - else if (rest.StartsWith("c", StringComparison.Ordinal) && rest.Length > 2) - { - indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal); - string fontColor = rest; - if (indexOfSPlit > 0) - { - fontColor = rest.Substring(0, indexOfSPlit); - rest = rest.Substring(indexOfSPlit).TrimStart('\\'); - } - else - { - rest = string.Empty; - } - - string color = fontColor.Substring(2); - color = color.Replace("&", string.Empty, StringComparison.Ordinal).TrimStart('H'); - color = color.PadLeft(6, '0'); - // switch to rrggbb from bbggrr - color = "#" + color.Remove(color.Length - 6) + color.Substring(color.Length - 2, 2) + color.Substring(color.Length - 4, 2) + color.Substring(color.Length - 6, 2); - color = color.ToLowerInvariant(); - - extraTags += " color=\"" + color + "\""; - } - else if (rest.StartsWith("i1", StringComparison.Ordinal) && rest.Length > 1) - { - indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal); - italic = true; - if (indexOfSPlit > 0) - { - rest = rest.Substring(indexOfSPlit).TrimStart('\\'); - } - else - { - rest = string.Empty; - } - } - else if (rest.Length > 0 && rest.Contains('\\', StringComparison.Ordinal)) - { - indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal); - rest = rest.Substring(indexOfSPlit).TrimStart('\\'); - } - } - } } } } diff --git a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEditParser.cs b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEditParser.cs new file mode 100644 index 000000000..639a34d99 --- /dev/null +++ b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEditParser.cs @@ -0,0 +1,61 @@ +using System.Globalization; +using System.IO; +using System.Linq; +using System.Threading; +using MediaBrowser.Common.Extensions; +using MediaBrowser.Model.MediaInfo; +using Microsoft.Extensions.Logging; +using Nikse.SubtitleEdit.Core; +using ILogger = Microsoft.Extensions.Logging.ILogger; +using SubtitleFormat = Nikse.SubtitleEdit.Core.SubtitleFormats.SubtitleFormat; + +namespace MediaBrowser.MediaEncoding.Subtitles +{ + /// <summary> + /// SubStation Alpha subtitle parser. + /// </summary> + /// <typeparam name="T">The <see cref="SubtitleFormat" />.</typeparam> + public abstract class SubtitleEditParser<T> : ISubtitleParser + where T : SubtitleFormat, new() + { + private readonly ILogger _logger; + + /// <summary> + /// Initializes a new instance of the <see cref="SubtitleEditParser{T}"/> class. + /// </summary> + /// <param name="logger">The logger.</param> + protected SubtitleEditParser(ILogger logger) + { + _logger = logger; + } + + /// <inheritdoc /> + public SubtitleTrackInfo Parse(Stream stream, CancellationToken cancellationToken) + { + var subtitle = new Subtitle(); + var subRip = new T(); + var lines = stream.ReadAllLines().ToList(); + subRip.LoadSubtitle(subtitle, lines, "untitled"); + if (subRip.ErrorCount > 0) + { + _logger.LogError("{ErrorCount} errors encountered while parsing subtitle."); + } + + var trackInfo = new SubtitleTrackInfo(); + int len = subtitle.Paragraphs.Count; + var trackEvents = new SubtitleTrackEvent[len]; + for (int i = 0; i < len; i++) + { + var p = subtitle.Paragraphs[i]; + trackEvents[i] = new SubtitleTrackEvent(p.Number.ToString(CultureInfo.InvariantCulture), p.Text) + { + StartPositionTicks = p.StartTime.TimeSpan.Ticks, + EndPositionTicks = p.EndTime.TimeSpan.Ticks + }; + } + + trackInfo.TrackEvents = trackEvents; + return trackInfo; + } + } +} diff --git a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs index b92c4ee06..608ebf443 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs @@ -3,6 +3,7 @@ using System; using System.Collections.Concurrent; using System.Diagnostics; +using System.Diagnostics.CodeAnalysis; using System.Globalization; using System.IO; using System.Linq; @@ -25,9 +26,8 @@ using UtfUnknown; namespace MediaBrowser.MediaEncoding.Subtitles { - public class SubtitleEncoder : ISubtitleEncoder + public sealed class SubtitleEncoder : ISubtitleEncoder { - private readonly ILibraryManager _libraryManager; private readonly ILogger<SubtitleEncoder> _logger; private readonly IApplicationPaths _appPaths; private readonly IFileSystem _fileSystem; @@ -42,7 +42,6 @@ namespace MediaBrowser.MediaEncoding.Subtitles new ConcurrentDictionary<string, SemaphoreSlim>(); public SubtitleEncoder( - ILibraryManager libraryManager, ILogger<SubtitleEncoder> logger, IApplicationPaths appPaths, IFileSystem fileSystem, @@ -50,7 +49,6 @@ namespace MediaBrowser.MediaEncoding.Subtitles IHttpClientFactory httpClientFactory, IMediaSourceManager mediaSourceManager) { - _libraryManager = libraryManager; _logger = logger; _appPaths = appPaths; _fileSystem = fileSystem; @@ -74,8 +72,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles try { - var reader = GetReader(inputFormat, true); - + var reader = GetReader(inputFormat); var trackInfo = reader.Parse(stream, cancellationToken); FilterEvents(trackInfo, startTimeTicks, endTimeTicks, preserveOriginalTimestamps); @@ -142,10 +139,9 @@ namespace MediaBrowser.MediaEncoding.Subtitles .ConfigureAwait(false); var inputFormat = subtitle.format; - var writer = TryGetWriter(outputFormat); // Return the original if we don't have any way of converting it - if (writer == null) + if (!TryGetWriter(outputFormat, out var writer)) { return subtitle.stream; } @@ -168,33 +164,25 @@ namespace MediaBrowser.MediaEncoding.Subtitles MediaStream subtitleStream, CancellationToken cancellationToken) { - var inputFile = mediaSource.Path; - - var protocol = mediaSource.Protocol; - if (subtitleStream.IsExternal) - { - protocol = _mediaSourceManager.GetPathProtocol(subtitleStream.Path); - } + var fileInfo = await GetReadableFile(mediaSource, subtitleStream, cancellationToken).ConfigureAwait(false); - var fileInfo = await GetReadableFile(mediaSource.Path, inputFile, mediaSource, subtitleStream, cancellationToken).ConfigureAwait(false); - - var stream = await GetSubtitleStream(fileInfo.Path, fileInfo.Protocol, fileInfo.IsExternal, cancellationToken).ConfigureAwait(false); + var stream = await GetSubtitleStream(fileInfo, cancellationToken).ConfigureAwait(false); return (stream, fileInfo.Format); } - private async Task<Stream> GetSubtitleStream(string path, MediaProtocol protocol, bool requiresCharset, CancellationToken cancellationToken) + private async Task<Stream> GetSubtitleStream(SubtitleInfo fileInfo, CancellationToken cancellationToken) { - if (requiresCharset) + if (fileInfo.IsExternal) { - using (var stream = await GetStream(path, protocol, cancellationToken).ConfigureAwait(false)) + using (var stream = await GetStream(fileInfo.Path, fileInfo.Protocol, cancellationToken).ConfigureAwait(false)) { var result = CharsetDetector.DetectFromStream(stream).Detected; stream.Position = 0; if (result != null) { - _logger.LogDebug("charset {CharSet} detected for {Path}", result.EncodingName, path); + _logger.LogDebug("charset {CharSet} detected for {Path}", result.EncodingName, fileInfo.Path); using var reader = new StreamReader(stream, result.Encoding); var text = await reader.ReadToEndAsync().ConfigureAwait(false); @@ -204,12 +192,10 @@ namespace MediaBrowser.MediaEncoding.Subtitles } } - return File.OpenRead(path); + return File.OpenRead(fileInfo.Path); } private async Task<SubtitleInfo> GetReadableFile( - string mediaPath, - string inputFile, MediaSourceInfo mediaSource, MediaStream subtitleStream, CancellationToken cancellationToken) @@ -241,9 +227,9 @@ namespace MediaBrowser.MediaEncoding.Subtitles } // Extract - var outputPath = GetSubtitleCachePath(mediaPath, mediaSource, subtitleStream.Index, "." + outputFormat); + var outputPath = GetSubtitleCachePath(mediaSource, subtitleStream.Index, "." + outputFormat); - await ExtractTextSubtitle(inputFile, mediaSource, subtitleStream.Index, outputCodec, outputPath, cancellationToken) + await ExtractTextSubtitle(mediaSource, subtitleStream.Index, outputCodec, outputPath, cancellationToken) .ConfigureAwait(false); return new SubtitleInfo(outputPath, MediaProtocol.File, outputFormat, false); @@ -252,50 +238,59 @@ namespace MediaBrowser.MediaEncoding.Subtitles var currentFormat = (Path.GetExtension(subtitleStream.Path) ?? subtitleStream.Codec) .TrimStart('.'); - if (GetReader(currentFormat, false) == null) + if (TryGetReader(currentFormat, out _)) { // Convert - var outputPath = GetSubtitleCachePath(mediaPath, mediaSource, subtitleStream.Index, ".srt"); + var outputPath = GetSubtitleCachePath(mediaSource, subtitleStream.Index, ".srt"); await ConvertTextSubtitleToSrt(subtitleStream.Path, subtitleStream.Language, mediaSource, outputPath, cancellationToken).ConfigureAwait(false); return new SubtitleInfo(outputPath, MediaProtocol.File, "srt", true); } + if (subtitleStream.IsExternal) + { + return new SubtitleInfo(subtitleStream.Path, _mediaSourceManager.GetPathProtocol(subtitleStream.Path), currentFormat, true); + } + return new SubtitleInfo(subtitleStream.Path, mediaSource.Protocol, currentFormat, true); } - private ISubtitleParser GetReader(string format, bool throwIfMissing) + private bool TryGetReader(string format, [NotNullWhen(true)] out ISubtitleParser? value) { - if (string.IsNullOrEmpty(format)) - { - throw new ArgumentNullException(nameof(format)); - } - if (string.Equals(format, SubtitleFormat.SRT, StringComparison.OrdinalIgnoreCase)) { - return new SrtParser(_logger); + value = new SrtParser(_logger); + return true; } if (string.Equals(format, SubtitleFormat.SSA, StringComparison.OrdinalIgnoreCase)) { - return new SsaParser(); + value = new SsaParser(_logger); + return true; } if (string.Equals(format, SubtitleFormat.ASS, StringComparison.OrdinalIgnoreCase)) { - return new AssParser(); + value = new AssParser(_logger); + return true; } - if (throwIfMissing) + value = null; + return false; + } + + private ISubtitleParser GetReader(string format) + { + if (TryGetReader(format, out var reader)) { - throw new ArgumentException("Unsupported format: " + format); + return reader; } - return null; + throw new ArgumentException("Unsupported format: " + format); } - private ISubtitleWriter TryGetWriter(string format) + private bool TryGetWriter(string format, [NotNullWhen(true)] out ISubtitleWriter? value) { if (string.IsNullOrEmpty(format)) { @@ -304,32 +299,35 @@ namespace MediaBrowser.MediaEncoding.Subtitles if (string.Equals(format, "json", StringComparison.OrdinalIgnoreCase)) { - return new JsonWriter(); + value = new JsonWriter(); + return true; } if (string.Equals(format, SubtitleFormat.SRT, StringComparison.OrdinalIgnoreCase)) { - return new SrtWriter(); + value = new SrtWriter(); + return true; } if (string.Equals(format, SubtitleFormat.VTT, StringComparison.OrdinalIgnoreCase)) { - return new VttWriter(); + value = new VttWriter(); + return true; } if (string.Equals(format, SubtitleFormat.TTML, StringComparison.OrdinalIgnoreCase)) { - return new TtmlWriter(); + value = new TtmlWriter(); + return true; } - return null; + value = null; + return false; } private ISubtitleWriter GetWriter(string format) { - var writer = TryGetWriter(format); - - if (writer != null) + if (TryGetWriter(format, out var writer)) { return writer; } @@ -399,7 +397,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles throw new ArgumentNullException(nameof(outputPath)); } - Directory.CreateDirectory(Path.GetDirectoryName(outputPath)); + Directory.CreateDirectory(Path.GetDirectoryName(outputPath) ?? throw new ArgumentException($"Provided path ({outputPath}) is not valid.", nameof(outputPath))); var encodingParam = await GetSubtitleFileCharacterSet(inputPath, language, mediaSource.Protocol, cancellationToken).ConfigureAwait(false); @@ -492,7 +490,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles { _logger.LogError("ffmpeg subtitle conversion failed for {Path}", inputPath); - throw new Exception( + throw new FfmpegException( string.Format(CultureInfo.InvariantCulture, "ffmpeg subtitle conversion failed for {0}", inputPath)); } @@ -504,7 +502,6 @@ namespace MediaBrowser.MediaEncoding.Subtitles /// <summary> /// Extracts the text subtitle. /// </summary> - /// <param name="inputFile">The input file.</param> /// <param name="mediaSource">The mediaSource.</param> /// <param name="subtitleStreamIndex">Index of the subtitle stream.</param> /// <param name="outputCodec">The output codec.</param> @@ -513,7 +510,6 @@ namespace MediaBrowser.MediaEncoding.Subtitles /// <returns>Task.</returns> /// <exception cref="ArgumentException">Must use inputPath list overload.</exception> private async Task ExtractTextSubtitle( - string inputFile, MediaSourceInfo mediaSource, int subtitleStreamIndex, string outputCodec, @@ -529,7 +525,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles if (!File.Exists(outputPath)) { await ExtractTextSubtitleInternal( - _mediaEncoder.GetInputArgument(inputFile, mediaSource), + _mediaEncoder.GetInputArgument(mediaSource.Path, mediaSource), subtitleStreamIndex, outputCodec, outputPath, @@ -559,7 +555,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles throw new ArgumentNullException(nameof(outputPath)); } - Directory.CreateDirectory(Path.GetDirectoryName(outputPath)); + Directory.CreateDirectory(Path.GetDirectoryName(outputPath) ?? throw new ArgumentException($"Provided path ({outputPath}) is not valid.", nameof(outputPath))); var processArgs = string.Format( CultureInfo.InvariantCulture, @@ -647,7 +643,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles _logger.LogError(msg); - throw new Exception(msg); + throw new FfmpegException(msg); } else { @@ -687,7 +683,8 @@ namespace MediaBrowser.MediaEncoding.Subtitles if (!string.Equals(text, newText, StringComparison.Ordinal)) { - using (var fileStream = new FileStream(file, FileMode.Create, FileAccess.Write, FileShare.Read)) + // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 . + using (var fileStream = new FileStream(file, FileMode.Create, FileAccess.Write, FileShare.None)) using (var writer = new StreamWriter(fileStream, encoding)) { await writer.WriteAsync(newText.AsMemory(), cancellationToken).ConfigureAwait(false); @@ -695,15 +692,15 @@ namespace MediaBrowser.MediaEncoding.Subtitles } } - private string GetSubtitleCachePath(string mediaPath, MediaSourceInfo mediaSource, int subtitleStreamIndex, string outputSubtitleExtension) + private string GetSubtitleCachePath(MediaSourceInfo mediaSource, int subtitleStreamIndex, string outputSubtitleExtension) { if (mediaSource.Protocol == MediaProtocol.File) { var ticksParam = string.Empty; - var date = _fileSystem.GetLastWriteTimeUtc(mediaPath); + var date = _fileSystem.GetLastWriteTimeUtc(mediaSource.Path); - ReadOnlySpan<char> filename = (mediaPath + "_" + subtitleStreamIndex.ToString(CultureInfo.InvariantCulture) + "_" + date.Ticks.ToString(CultureInfo.InvariantCulture) + ticksParam).GetMD5() + outputSubtitleExtension; + ReadOnlySpan<char> filename = (mediaSource.Path + "_" + subtitleStreamIndex.ToString(CultureInfo.InvariantCulture) + "_" + date.Ticks.ToString(CultureInfo.InvariantCulture) + ticksParam).GetMD5() + outputSubtitleExtension; var prefix = filename.Slice(0, 1); @@ -711,7 +708,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles } else { - ReadOnlySpan<char> filename = (mediaPath + "_" + subtitleStreamIndex.ToString(CultureInfo.InvariantCulture)).GetMD5() + outputSubtitleExtension; + ReadOnlySpan<char> filename = (mediaSource.Path + "_" + subtitleStreamIndex.ToString(CultureInfo.InvariantCulture)).GetMD5() + outputSubtitleExtension; var prefix = filename.Slice(0, 1); @@ -724,7 +721,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles { using (var stream = await GetStream(path, protocol, cancellationToken).ConfigureAwait(false)) { - var charset = CharsetDetector.DetectFromStream(stream).Detected?.EncodingName; + var charset = CharsetDetector.DetectFromStream(stream).Detected?.EncodingName ?? string.Empty; // UTF16 is automatically converted to UTF8 by FFmpeg, do not specify a character encoding if ((path.EndsWith(".ass", StringComparison.Ordinal) || path.EndsWith(".ssa", StringComparison.Ordinal) || path.EndsWith(".srt", StringComparison.Ordinal)) @@ -734,7 +731,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles charset = string.Empty; } - _logger.LogDebug("charset {0} detected for {Path}", charset ?? "null", path); + _logger.LogDebug("charset {0} detected for {Path}", charset, path); return charset; } |