Enable nullable reference types for MediaBrowser.MediaEncoding.Subtitles
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c6ca722e57
commit
26d7fc8280
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@ -1,3 +1,4 @@
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#nullable disable
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#pragma warning disable CS1591
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using System;
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@ -9,9 +9,9 @@ namespace MediaBrowser.MediaEncoding.BdInfo
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{
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public class BdInfoDirectoryInfo : IDirectoryInfo
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{
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private readonly IFileSystem _fileSystem = null;
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private readonly IFileSystem _fileSystem;
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private readonly FileSystemMetadata _impl = null;
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private readonly FileSystemMetadata _impl;
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public BdInfoDirectoryInfo(IFileSystem fileSystem, string path)
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{
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@ -29,7 +29,7 @@ namespace MediaBrowser.MediaEncoding.BdInfo
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public string FullName => _impl.FullName;
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public IDirectoryInfo Parent
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public IDirectoryInfo? Parent
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{
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get
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{
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@ -7,7 +7,7 @@ namespace MediaBrowser.MediaEncoding.BdInfo
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{
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public class BdInfoFileInfo : BDInfo.IO.IFileInfo
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{
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private FileSystemMetadata _impl = null;
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private FileSystemMetadata _impl;
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public BdInfoFileInfo(FileSystemMetadata impl)
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{
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@ -121,11 +121,11 @@ namespace MediaBrowser.MediaEncoding.Encoder
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// When changing this, also change the minimum library versions in _ffmpegMinimumLibraryVersions
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public static Version MinVersion { get; } = new Version(4, 0);
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public static Version MaxVersion { get; } = null;
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public static Version? MaxVersion { get; } = null;
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public bool ValidateVersion()
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{
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string output = null;
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string output;
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try
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{
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output = GetProcessOutput(_encoderPath, "-version");
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@ -133,6 +133,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error validating encoder");
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return false;
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}
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if (string.IsNullOrWhiteSpace(output))
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@ -207,7 +208,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
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/// </summary>
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/// <param name="output">The output from "ffmpeg -version".</param>
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/// <returns>The FFmpeg version.</returns>
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internal Version GetFFmpegVersion(string output)
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internal Version? GetFFmpegVersion(string output)
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{
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// For pre-built binaries the FFmpeg version should be mentioned at the very start of the output
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var match = Regex.Match(output, @"^ffmpeg version n?((?:[0-9]+\.?)+)");
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@ -275,7 +276,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
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private IEnumerable<string> GetHwaccelTypes()
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{
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string output = null;
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string? output = null;
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try
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{
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output = GetProcessOutput(_encoderPath, "-hwaccels");
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@ -303,7 +304,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
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return false;
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}
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string output = null;
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string output;
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try
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{
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output = GetProcessOutput(_encoderPath, "-h filter=" + filter);
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@ -311,6 +312,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error detecting the given filter");
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return false;
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}
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if (output.Contains("Filter " + filter, StringComparison.Ordinal))
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@ -331,7 +333,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
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private IEnumerable<string> GetCodecs(Codec codec)
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{
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string codecstr = codec == Codec.Encoder ? "encoders" : "decoders";
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string output = null;
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string output;
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try
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{
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output = GetProcessOutput(_encoderPath, "-" + codecstr);
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@ -339,6 +341,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error detecting available {Codec}", codecstr);
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return Enumerable.Empty<string>();
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}
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if (string.IsNullOrWhiteSpace(output))
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@ -1,3 +1,4 @@
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#nullable disable
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#pragma warning disable CS1591
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using System;
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@ -10,6 +10,7 @@
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<GenerateAssemblyInfo>false</GenerateAssemblyInfo>
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<GenerateDocumentationFile>true</GenerateDocumentationFile>
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<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
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<Nullable>enable</Nullable>
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<AnalysisMode>AllEnabledByDefault</AnalysisMode>
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<CodeAnalysisRuleSet>../jellyfin.ruleset</CodeAnalysisRuleSet>
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</PropertyGroup>
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@ -1,3 +1,5 @@
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#nullable disable
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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@ -1,3 +1,5 @@
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#nullable disable
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using System.Collections.Generic;
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using System.Text.Json.Serialization;
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@ -1,3 +1,4 @@
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#nullable disable
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#pragma warning disable CS1591
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using System.Collections.Generic;
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@ -1,3 +1,5 @@
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#nullable disable
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using System.Collections.Generic;
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using System.Text.Json.Serialization;
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@ -1,3 +1,5 @@
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#nullable disable
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using System.Collections.Generic;
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using System.Text.Json.Serialization;
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@ -1,3 +1,4 @@
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#nullable disable
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#pragma warning disable CS1591
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using System;
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@ -1,5 +1,3 @@
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#nullable enable
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using Microsoft.Extensions.Logging;
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using Nikse.SubtitleEdit.Core.SubtitleFormats;
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@ -1,4 +1,3 @@
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#nullable enable
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#pragma warning disable CS1591
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namespace MediaBrowser.MediaEncoding.Subtitles
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@ -1,5 +1,3 @@
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#nullable enable
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using Microsoft.Extensions.Logging;
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using Nikse.SubtitleEdit.Core.SubtitleFormats;
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@ -1,5 +1,3 @@
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#nullable enable
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using Microsoft.Extensions.Logging;
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using Nikse.SubtitleEdit.Core.SubtitleFormats;
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@ -1,5 +1,3 @@
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#nullable enable
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using System.Globalization;
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using System.IO;
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using System.Linq;
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@ -3,6 +3,7 @@
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using System;
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using System.Collections.Concurrent;
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using System.Diagnostics;
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using System.Diagnostics.CodeAnalysis;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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@ -71,8 +72,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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try
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{
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var reader = GetReader(inputFormat, true);
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var reader = GetReader(inputFormat);
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var trackInfo = reader.Parse(stream, cancellationToken);
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FilterEvents(trackInfo, startTimeTicks, endTimeTicks, preserveOriginalTimestamps);
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@ -139,10 +139,9 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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.ConfigureAwait(false);
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var inputFormat = subtitle.format;
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var writer = TryGetWriter(outputFormat);
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// Return the original if we don't have any way of converting it
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if (writer == null)
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if (!TryGetWriter(outputFormat, out var writer))
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{
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return subtitle.stream;
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}
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@ -239,7 +238,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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var currentFormat = (Path.GetExtension(subtitleStream.Path) ?? subtitleStream.Codec)
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.TrimStart('.');
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if (GetReader(currentFormat, false) == null)
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if (TryGetReader(currentFormat, out _))
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{
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// Convert
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var outputPath = GetSubtitleCachePath(mediaSource, subtitleStream.Index, ".srt");
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@ -257,37 +256,41 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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return new SubtitleInfo(subtitleStream.Path, mediaSource.Protocol, currentFormat, true);
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}
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private ISubtitleParser GetReader(string format, bool throwIfMissing)
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private bool TryGetReader(string format, [NotNullWhen(true)] out ISubtitleParser? value)
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{
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if (string.IsNullOrEmpty(format))
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{
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throw new ArgumentNullException(nameof(format));
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}
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if (string.Equals(format, SubtitleFormat.SRT, StringComparison.OrdinalIgnoreCase))
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{
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return new SrtParser(_logger);
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value = new SrtParser(_logger);
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return true;
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}
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if (string.Equals(format, SubtitleFormat.SSA, StringComparison.OrdinalIgnoreCase))
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{
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return new SsaParser(_logger);
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value = new SsaParser(_logger);
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return true;
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}
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if (string.Equals(format, SubtitleFormat.ASS, StringComparison.OrdinalIgnoreCase))
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{
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return new AssParser(_logger);
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value = new AssParser(_logger);
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return true;
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}
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if (throwIfMissing)
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{
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throw new ArgumentException("Unsupported format: " + format);
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}
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return null;
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value = null;
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return false;
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}
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private ISubtitleWriter TryGetWriter(string format)
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private ISubtitleParser GetReader(string format)
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{
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if (TryGetReader(format, out var reader))
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{
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return reader;
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}
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throw new ArgumentException("Unsupported format: " + format);
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}
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private bool TryGetWriter(string format, [NotNullWhen(true)] out ISubtitleWriter? value)
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{
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if (string.IsNullOrEmpty(format))
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{
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@ -296,32 +299,35 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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if (string.Equals(format, "json", StringComparison.OrdinalIgnoreCase))
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{
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return new JsonWriter();
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value = new JsonWriter();
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return true;
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}
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if (string.Equals(format, SubtitleFormat.SRT, StringComparison.OrdinalIgnoreCase))
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{
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return new SrtWriter();
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value = new SrtWriter();
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return true;
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}
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if (string.Equals(format, SubtitleFormat.VTT, StringComparison.OrdinalIgnoreCase))
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{
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return new VttWriter();
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value = new VttWriter();
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return true;
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}
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if (string.Equals(format, SubtitleFormat.TTML, StringComparison.OrdinalIgnoreCase))
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{
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return new TtmlWriter();
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value = new TtmlWriter();
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return true;
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}
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return null;
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value = null;
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return false;
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}
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private ISubtitleWriter GetWriter(string format)
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{
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var writer = TryGetWriter(format);
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if (writer != null)
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if (TryGetWriter(format, out var writer))
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{
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return writer;
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}
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@ -391,7 +397,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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throw new ArgumentNullException(nameof(outputPath));
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}
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Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
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Directory.CreateDirectory(Path.GetDirectoryName(outputPath) ?? throw new ArgumentException($"Provided path ({outputPath}) is not valid.", nameof(outputPath)));
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var encodingParam = await GetSubtitleFileCharacterSet(inputPath, language, mediaSource.Protocol, cancellationToken).ConfigureAwait(false);
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throw new ArgumentNullException(nameof(outputPath));
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}
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Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
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Directory.CreateDirectory(Path.GetDirectoryName(outputPath) ?? throw new ArgumentException($"Provided path ({outputPath}) is not valid.", nameof(outputPath)));
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var processArgs = string.Format(
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CultureInfo.InvariantCulture,
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@ -715,7 +721,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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{
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using (var stream = await GetStream(path, protocol, cancellationToken).ConfigureAwait(false))
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{
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var charset = CharsetDetector.DetectFromStream(stream).Detected?.EncodingName;
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var charset = CharsetDetector.DetectFromStream(stream).Detected?.EncodingName ?? string.Empty;
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// UTF16 is automatically converted to UTF8 by FFmpeg, do not specify a character encoding
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if ((path.EndsWith(".ass", StringComparison.Ordinal) || path.EndsWith(".ssa", StringComparison.Ordinal) || path.EndsWith(".srt", StringComparison.Ordinal))
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charset = string.Empty;
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}
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_logger.LogDebug("charset {0} detected for {Path}", charset ?? "null", path);
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_logger.LogDebug("charset {0} detected for {Path}", charset, path);
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return charset;
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}
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