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Fix image encoding concurrency limit (#13532)

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* Fix image encoding concurrency limit

The current FFmpeg image extractor is configured to use a resource pool size that always equals 2 times the number of CPU cores, which is somewhat excessive. Make the default equal to the core count instead of twice, and respect the `ParallelImageEncodingLimit` option.

* Fix code stype

* Check null value for unit tests
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gnattu 2025-02-13 09:45:36 +08:00 committed by GitHub
parent 7f43521b64
commit 3f539472f3
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2 changed files with 8 additions and 2 deletions
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8
MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
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@ -122,7 +122,13 @@ namespace MediaBrowser.MediaEncoding.Encoder
_jsonSerializerOptions = new JsonSerializerOptions(JsonDefaults.Options);
_jsonSerializerOptions.Converters.Add(new JsonBoolStringConverter());
var semaphoreCount = 2 * Environment.ProcessorCount;
// Although the type is not nullable, this might still be null during unit tests
var semaphoreCount = serverConfig.Configuration?.ParallelImageEncodingLimit ?? 0;
if (semaphoreCount < 1)
{
semaphoreCount = Environment.ProcessorCount;
}
_thumbnailResourcePool = new(semaphoreCount);
}

2
src/Jellyfin.Drawing/ImageProcessor.cs
View File

@ -66,7 +66,7 @@ public sealed class ImageProcessor : IImageProcessor, IDisposable
var semaphoreCount = config.Configuration.ParallelImageEncodingLimit;
if (semaphoreCount < 1)
{
semaphoreCount = 2 * Environment.ProcessorCount;
semaphoreCount = Environment.ProcessorCount;
}
_parallelEncodingLimit = new(semaphoreCount);