From 19a01ccdf3ceeeda87fbc628bd8e051577ecebb9 Mon Sep 17 00:00:00 2001
From: "Joshua M. Boniface" <joshua@boniface.me>
Date: Wed, 10 Feb 2021 01:24:51 -0500
Subject: Merge pull request #5107 from jellyfin/enhanced-nvdec-vpp-tonemap

(cherry picked from commit bd8c269ea2769a9684c7755633417e1e78d84a57)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>
---
 .../Encoder/EncoderValidator.cs                    | 32 ++++++++++++++++++++++
 MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs | 11 ++++++++
 2 files changed, 43 insertions(+)

(limited to 'MediaBrowser.MediaEncoding/Encoder')

diff --git a/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs b/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
index 92f16ab95..9e2417603 100644
--- a/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
@@ -296,6 +296,38 @@ namespace MediaBrowser.MediaEncoding.Encoder
             return found;
         }
 
+        public bool CheckFilter(string filter, string option)
+        {
+            if (string.IsNullOrEmpty(filter))
+            {
+                return false;
+            }
+
+            string output = null;
+            try
+            {
+                output = GetProcessOutput(_encoderPath, "-h filter=" + filter);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error detecting the given filter");
+            }
+
+            if (output.Contains("Filter " + filter, StringComparison.Ordinal))
+            {
+                if (string.IsNullOrEmpty(option))
+                {
+                    return true;
+                }
+
+                return output.Contains(option, StringComparison.Ordinal);
+            }
+
+            _logger.LogWarning("Filter: {Name} with option {Option} is not available", filter, option);
+
+            return false;
+        }
+
         private IEnumerable<string> GetCodecs(Codec codec)
         {
             string codecstr = codec == Codec.Encoder ? "encoders" : "decoders";
diff --git a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
index fbd08a97c..c0b6cf28b 100644
--- a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
@@ -295,6 +295,17 @@ namespace MediaBrowser.MediaEncoding.Encoder
             return _hwaccels.Contains(hwaccel, StringComparer.OrdinalIgnoreCase);
         }
 
+        public bool SupportsFilter(string filter, string option)
+        {
+            if (_ffmpegPath != null)
+            {
+                var validator = new EncoderValidator(_logger, _ffmpegPath);
+                return validator.CheckFilter(filter, option);
+            }
+
+            return false;
+        }
+
         public bool CanEncodeToAudioCodec(string codec)
         {
             if (string.Equals(codec, "opus", StringComparison.OrdinalIgnoreCase))
-- 
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