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Backport pull request #11910 from jellyfin/release-10.9.z

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Audio normalization: parse ffmpeg output line by line

Original-merge: d2be2ee480

Merged-by: joshuaboniface <joshua@boniface.me>

Backported-by: Joshua M. Boniface <joshua@boniface.me>
This commit is contained in:
Bond-009
2024-06-01 18:41:15 -04:00
committed by Joshua M. Boniface
parent 4fa3c30df2
commit c7f87c0d69
2 changed files with 15 additions and 10 deletions
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18
Emby.Server.Implementations/ScheduledTasks/Tasks/AudioNormalizationTask.cs
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@@ -8,6 +8,7 @@ using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using Jellyfin.Data.Enums;
using Jellyfin.Extensions;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
@@ -69,7 +70,7 @@ public partial class AudioNormalizationTask : IScheduledTask
/// <inheritdoc />
public string Key => "AudioNormalization";
[GeneratedRegex(@"I:\s+(.*?)\s+LUFS")]
[GeneratedRegex(@"^\s+I:\s+(.*?)\s+LUFS")]
private static partial Regex LUFSRegex();
/// <inheritdoc />
@@ -179,16 +180,17 @@ public partial class AudioNormalizationTask : IScheduledTask
}
using var reader = process.StandardError;
var output = await reader.ReadToEndAsync(cancellationToken).ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested();
MatchCollection split = LUFSRegex().Matches(output);
if (split.Count != 0)
await foreach (var line in reader.ReadAllLinesAsync(cancellationToken))
{
return float.Parse(split[0].Groups[1].ValueSpan, CultureInfo.InvariantCulture.NumberFormat);
Match match = LUFSRegex().Match(line);
if (match.Success)
{
return float.Parse(match.Groups[1].ValueSpan, CultureInfo.InvariantCulture.NumberFormat);
}
}
_logger.LogError("Failed to find LUFS value in output:\n{Output}", output);
_logger.LogError("Failed to find LUFS value in output");
return null;
}
}