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Backport pull request #8213 from jellyfin/release-10.8.z

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Fix high single thread usage in throttler

Original-merge: ba026716c1

Merged-by: Claus Vium <cvium@users.noreply.github.com>

Backported-by: Joshua M. Boniface <joshua@boniface.me>
This commit is contained in:
nyanmisaka
2022-09-23 23:09:35 -04:00
committed by Joshua M. Boniface
parent e579b4d42d
commit 0309c5622e
5 changed files with 59 additions and 13 deletions
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43
MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
View File

@@ -153,7 +153,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
string output;
try
{
output = GetProcessOutput(_encoderPath, "-version", false);
output = GetProcessOutput(_encoderPath, "-version", false, null);
}
catch (Exception ex)
{
@@ -234,7 +234,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
string output;
try
{
output = GetProcessOutput(_encoderPath, "-version", false);
output = GetProcessOutput(_encoderPath, "-version", false, null);
}
catch (Exception ex)
{
@@ -341,7 +341,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
try
{
var output = GetProcessOutput(_encoderPath, "-v verbose -hide_banner -init_hw_device vaapi=va:" + renderNodePath, true);
var output = GetProcessOutput(_encoderPath, "-v verbose -hide_banner -init_hw_device vaapi=va:" + renderNodePath, true, null);
return output.Contains(driverName, StringComparison.Ordinal);
}
catch (Exception ex)
@@ -356,7 +356,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
string? output = null;
try
{
output = GetProcessOutput(_encoderPath, "-hwaccels", false);
output = GetProcessOutput(_encoderPath, "-hwaccels", false, null);
}
catch (Exception ex)
{
@@ -384,7 +384,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
string output;
try
{
output = GetProcessOutput(_encoderPath, "-h filter=" + filter, false);
output = GetProcessOutput(_encoderPath, "-h filter=" + filter, false, null);
}
catch (Exception ex)
{
@@ -402,13 +402,34 @@ namespace MediaBrowser.MediaEncoding.Encoder
return false;
}
public bool CheckSupportedRuntimeKey(string keyDesc)
{
if (string.IsNullOrEmpty(keyDesc))
{
return false;
}
string output;
try
{
output = GetProcessOutput(_encoderPath, "-hide_banner -f lavfi -i nullsrc=s=1x1:d=500 -f null -", true, "?");
}
catch (Exception ex)
{
_logger.LogError(ex, "Error checking supported runtime key");
return false;
}
return output.Contains(keyDesc, StringComparison.Ordinal);
}
private IEnumerable<string> GetCodecs(Codec codec)
{
string codecstr = codec == Codec.Encoder ? "encoders" : "decoders";
string output;
try
{
output = GetProcessOutput(_encoderPath, "-" + codecstr, false);
output = GetProcessOutput(_encoderPath, "-" + codecstr, false, null);
}
catch (Exception ex)
{
@@ -439,7 +460,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
string output;
try
{
output = GetProcessOutput(_encoderPath, "-filters", false);
output = GetProcessOutput(_encoderPath, "-filters", false, null);
}
catch (Exception ex)
{
@@ -477,7 +498,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
return dict;
}
private string GetProcessOutput(string path, string arguments, bool readStdErr)
private string GetProcessOutput(string path, string arguments, bool readStdErr, string? testKey)
{
using (var process = new Process()
{
@@ -487,6 +508,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
UseShellExecute = false,
WindowStyle = ProcessWindowStyle.Hidden,
ErrorDialog = false,
RedirectStandardInput = !string.IsNullOrEmpty(testKey),
RedirectStandardOutput = true,
RedirectStandardError = true
}
@@ -496,6 +518,11 @@ namespace MediaBrowser.MediaEncoding.Encoder
process.Start();
if (!string.IsNullOrEmpty(testKey))
{
process.StandardInput.Write(testKey);
}
return readStdErr ? process.StandardError.ReadToEnd() : process.StandardOutput.ReadToEnd();
}
}

6
MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
View File

@@ -67,6 +67,8 @@ namespace MediaBrowser.MediaEncoding.Encoder
private List<string> _filters = new List<string>();
private IDictionary<int, bool> _filtersWithOption = new Dictionary<int, bool>();
private bool _isPkeyPauseSupported = false;
private bool _isVaapiDeviceAmd = false;
private bool _isVaapiDeviceInteliHD = false;
private bool _isVaapiDeviceInteli965 = false;
@@ -100,6 +102,8 @@ namespace MediaBrowser.MediaEncoding.Encoder
public Version EncoderVersion => _ffmpegVersion;
public bool IsPkeyPauseSupported => _isPkeyPauseSupported;
public bool IsVaapiDeviceAmd => _isVaapiDeviceAmd;
public bool IsVaapiDeviceInteliHD => _isVaapiDeviceInteliHD;
@@ -154,6 +158,8 @@ namespace MediaBrowser.MediaEncoding.Encoder
_threads = EncodingHelper.GetNumberOfThreads(null, options, null);
_isPkeyPauseSupported = validator.CheckSupportedRuntimeKey("p pause transcoding");
// Check the Vaapi device vendor
if (OperatingSystem.IsLinux()
&& SupportsHwaccel("vaapi")