diff --git a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs index db4e21705a..f101bbb148 100644 --- a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs +++ b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs @@ -814,6 +814,22 @@ namespace MediaBrowser.MediaEncoding.Encoder var options = allowHwAccel ? _configurationManager.GetEncodingOptions() : new EncodingOptions(); threads ??= _threads; + if (enableKeyFrameOnlyExtraction) + { + var supportsKeyFrameOnly = !allowHwAccel + || (string.Equals(options.HardwareAccelerationType, "nvenc", StringComparison.OrdinalIgnoreCase) && options.EnableEnhancedNvdecDecoder) + || (string.Equals(options.HardwareAccelerationType, "amf", StringComparison.OrdinalIgnoreCase) && OperatingSystem.IsWindows() && options.PreferSystemNativeHwDecoder) + || (string.Equals(options.HardwareAccelerationType, "qsv", StringComparison.OrdinalIgnoreCase) && options.PreferSystemNativeHwDecoder) + || string.Equals(options.HardwareAccelerationType, "vaapi", StringComparison.OrdinalIgnoreCase) + || string.Equals(options.HardwareAccelerationType, "videotoolbox", StringComparison.OrdinalIgnoreCase); + if (!supportsKeyFrameOnly) + { + // Disable hardware acceleration when the hardware decoder does not support keyframe only mode. + allowHwAccel = false; + options = new EncodingOptions(); + } + } + // A new EncodingOptions instance must be used as to not disable HW acceleration for all of Jellyfin. // Additionally, we must set a few fields without defaults to prevent null pointer exceptions. if (!allowHwAccel)