From 29d8dc84a64a5c76be6450ac1987c2191a1a7cfd Mon Sep 17 00:00:00 2001
From: zenodity <262299845+zenodity@users.noreply.github.com>
Date: Thu, 19 Feb 2026 08:33:43 +0000
Subject: [PATCH] Add OutputToNull method to handle the null muxer argument

---
 FFMpegCore.Test/ArgumentBuilderTest.cs           |  7 +++++++
 .../FFMpeg/Arguments/OutputNullArgument.cs       | 16 ++++++++++++++++
 FFMpegCore/FFMpeg/FFMpegArguments.cs             |  7 ++++++-
 3 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 FFMpegCore/FFMpeg/Arguments/OutputNullArgument.cs

diff --git a/FFMpegCore.Test/ArgumentBuilderTest.cs b/FFMpegCore.Test/ArgumentBuilderTest.cs
index 64a116b1..94cf1f99 100644
--- a/FFMpegCore.Test/ArgumentBuilderTest.cs
+++ b/FFMpegCore.Test/ArgumentBuilderTest.cs
@@ -727,4 +727,11 @@ public void OutputPipe_MaxLength_ShorterThanMacOSMax()
         var pipePath = new OutputPipeArgument(new StreamPipeSink(Stream.Null)).PipePath;
         Assert.IsLessThan(_macOsMaxPipePathLength, pipePath.Length);
     }
+
+    [TestMethod]
+    public void Builder_BuildString_Null_Output()
+    {
+        var str = FFMpegArguments.FromFileInput("input.mp4").OutputToNull(opt => opt.WithCustomArgument("-filter_complex ebur128")).Arguments;
+        Assert.AreEqual("-i \"input.mp4\" -filter_complex ebur128 -f null -", str);
+    }
 }
diff --git a/FFMpegCore/FFMpeg/Arguments/OutputNullArgument.cs b/FFMpegCore/FFMpeg/Arguments/OutputNullArgument.cs
new file mode 100644
index 00000000..fa5725f7
--- /dev/null
+++ b/FFMpegCore/FFMpeg/Arguments/OutputNullArgument.cs
@@ -0,0 +1,16 @@
+namespace FFMpegCore.Arguments;
+
+public class OutputNullArgument : IOutputArgument
+{
+    public string Text => "-f null -";
+
+    public Task During(CancellationToken cancellationToken = default) => Task.CompletedTask;
+
+    public void Post()
+    {
+    }
+
+    public void Pre()
+    {
+    }
+}
diff --git a/FFMpegCore/FFMpeg/FFMpegArguments.cs b/FFMpegCore/FFMpeg/FFMpegArguments.cs
index 927442d3..e6b734ea 100644
--- a/FFMpegCore/FFMpeg/FFMpegArguments.cs
+++ b/FFMpegCore/FFMpeg/FFMpegArguments.cs
@@ -156,7 +156,7 @@ public FFMpegArgumentProcessor OutputToPipe(IPipeSink reader, Action<FFMpegArgum
     {
         return ToProcessor(new OutputPipeArgument(reader), addArguments);
     }
-
+    
     private FFMpegArgumentProcessor ToProcessor(IOutputArgument argument, Action<FFMpegArgumentOptions>? addArguments)
     {
         var args = new FFMpegArgumentOptions();
@@ -180,6 +180,11 @@ public FFMpegArgumentProcessor MultiOutput(Action<FFMpegMultiOutputOptions> addO
         Arguments.AddRange(args.Arguments);
         return new FFMpegArgumentProcessor(this);
     }
+    
+    public FFMpegArgumentProcessor OutputToNull(Action<FFMpegArgumentOptions>? addArguments = null)
+    {
+        return ToProcessor(new OutputNullArgument(), addArguments);
+    }
 
     internal void Pre()
     {