From b5f0760db8dba96e9edd67d4b9c914cf25c3d26a Mon Sep 17 00:00:00 2001
From: Bond_009 <bond.009@outlook.com>
Date: Mon, 22 May 2023 22:48:09 +0200
Subject: Use RegexGenerator where possible

---
 MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs | 15 +++++++++------
 MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs     | 11 +++++++----
 2 files changed, 16 insertions(+), 10 deletions(-)

(limited to 'MediaBrowser.MediaEncoding/Encoder')

diff --git a/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs b/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
index d3843796f..0e493afb4 100644
--- a/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
@@ -10,7 +10,7 @@ using Microsoft.Extensions.Logging;
 
 namespace MediaBrowser.MediaEncoding.Encoder
 {
-    public class EncoderValidator
+    public partial class EncoderValidator
     {
         private static readonly string[] _requiredDecoders = new[]
         {
@@ -160,6 +160,12 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
         public static Version? MaxVersion { get; } = null;
 
+        [GeneratedRegex(@"^ffmpeg version n?((?:[0-9]+\.?)+)")]
+        private static partial Regex FfmpegVersionRegex();
+
+        [GeneratedRegex(@"((?<name>lib\w+)\s+(?<major>[0-9]+)\.\s*(?<minor>[0-9]+))", RegexOptions.Multiline)]
+        private static partial Regex LibraryRegex();
+
         public bool ValidateVersion()
         {
             string output;
@@ -278,7 +284,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
         internal Version? GetFFmpegVersionInternal(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]+\.?)+)");
+            var match = FfmpegVersionRegex().Match(output);
 
             if (match.Success)
             {
@@ -326,10 +332,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
         {
             var map = new Dictionary<string, Version>();
 
-            foreach (Match match in Regex.Matches(
-                output,
-                @"((?<name>lib\w+)\s+(?<major>[0-9]+)\.\s*(?<minor>[0-9]+))",
-                RegexOptions.Multiline))
+            foreach (Match match in LibraryRegex().Matches(output))
             {
                 var version = new Version(
                     int.Parse(match.Groups["major"].ValueSpan, CultureInfo.InvariantCulture),
diff --git a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
index 4e63d205c..0885fbe92 100644
--- a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
@@ -36,7 +36,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
     /// <summary>
     /// Class MediaEncoder.
     /// </summary>
-    public class MediaEncoder : IMediaEncoder, IDisposable
+    public partial class MediaEncoder : IMediaEncoder, IDisposable
     {
         /// <summary>
         /// The default SDR image extraction timeout in milliseconds.
@@ -142,6 +142,9 @@ namespace MediaBrowser.MediaEncoding.Encoder
         /// <inheritdoc />
         public bool IsVaapiDeviceSupportVulkanFmtModifier => _isVaapiDeviceSupportVulkanFmtModifier;
 
+        [GeneratedRegex(@"[^\/\\]+?(\.[^\/\\\n.]+)?$")]
+        private static partial Regex FfprobePathRegex();
+
         /// <summary>
         /// Run at startup or if the user removes a Custom path from transcode page.
         /// Sets global variables FFmpegPath.
@@ -176,7 +179,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
             if (_ffmpegPath is not null)
             {
                 // Determine a probe path from the mpeg path
-                _ffprobePath = Regex.Replace(_ffmpegPath, @"[^\/\\]+?(\.[^\/\\\n.]+)?$", @"ffprobe$1");
+                _ffprobePath = FfprobePathRegex().Replace(_ffmpegPath, @"ffprobe$1");
 
                 // Interrogate to understand what coders are supported
                 var validator = new EncoderValidator(_logger, _ffmpegPath);
@@ -416,8 +419,8 @@ namespace MediaBrowser.MediaEncoding.Encoder
         public Task<MediaInfo> GetMediaInfo(MediaInfoRequest request, CancellationToken cancellationToken)
         {
             var extractChapters = request.MediaType == DlnaProfileType.Video && request.ExtractChapters;
-            string analyzeDuration = string.Empty;
-            string ffmpegAnalyzeDuration = _config.GetFFmpegAnalyzeDuration() ?? string.Empty;
+            var analyzeDuration = string.Empty;
+            var ffmpegAnalyzeDuration = _config.GetFFmpegAnalyzeDuration() ?? string.Empty;
 
             if (request.MediaSource.AnalyzeDurationMs > 0)
             {
-- 
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