From 157a53690f92550ef3852c73dab239a25bcc979d Mon Sep 17 00:00:00 2001
From: Thierry Fleury <thierry@codinlab.fr>
Date: Sun, 28 Feb 2021 19:28:35 +0100
Subject: [PATCH] Add OutputStreamArgument

(cherry picked from commit 0c64c4d81d7055a582d8377123dbc3b7ba86e444)
---
 .../FFMpeg/Arguments/OutputStreamArgument.cs  | 26 +++++++++++++++++++
 FFMpegCore/FFMpeg/FFMpegArguments.cs          |  2 ++
 2 files changed, 28 insertions(+)
 create mode 100644 FFMpegCore/FFMpeg/Arguments/OutputStreamArgument.cs

diff --git a/FFMpegCore/FFMpeg/Arguments/OutputStreamArgument.cs b/FFMpegCore/FFMpeg/Arguments/OutputStreamArgument.cs
new file mode 100644
index 0000000..5581929
--- /dev/null
+++ b/FFMpegCore/FFMpeg/Arguments/OutputStreamArgument.cs
@@ -0,0 +1,26 @@
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents output stream parameter
+    /// </summary>
+    public class OutputStreamArgument : IOutputArgument
+    {
+        public readonly string Stream;
+
+        public OutputStreamArgument(string stream)
+        {
+            Stream = stream;
+        }
+
+        public void Post() { }
+
+        public Task During(CancellationToken cancellationToken = default) => Task.CompletedTask;
+
+        public void Pre() { }
+
+        public string Text => Stream;
+    }
+}
diff --git a/FFMpegCore/FFMpeg/FFMpegArguments.cs b/FFMpegCore/FFMpeg/FFMpegArguments.cs
index 44e20d2..d2609eb 100644
--- a/FFMpegCore/FFMpeg/FFMpegArguments.cs
+++ b/FFMpegCore/FFMpeg/FFMpegArguments.cs
@@ -51,6 +51,8 @@ private FFMpegArguments WithInput(IInputArgument inputArgument, Action<FFMpegArg
 
         public FFMpegArgumentProcessor OutputToFile(string file, bool overwrite = true, Action<FFMpegArgumentOptions>? addArguments = null) => ToProcessor(new OutputArgument(file, overwrite), addArguments);
         public FFMpegArgumentProcessor OutputToFile(Uri uri, bool overwrite = true, Action<FFMpegArgumentOptions>? addArguments = null) => ToProcessor(new OutputArgument(uri.AbsolutePath, overwrite), addArguments);
+        public FFMpegArgumentProcessor OutputToStream(string uri, Action<FFMpegArgumentOptions>? addArguments = null) => ToProcessor(new OutputStreamArgument(uri), addArguments);
+        public FFMpegArgumentProcessor OutputToStream(Uri uri, Action<FFMpegArgumentOptions>? addArguments = null) => ToProcessor(new OutputStreamArgument(uri.ToString()), addArguments);
         public FFMpegArgumentProcessor OutputToPipe(IPipeSink reader, Action<FFMpegArgumentOptions>? addArguments = null) => ToProcessor(new OutputPipeArgument(reader), addArguments);
 
         private FFMpegArgumentProcessor ToProcessor(IOutputArgument argument, Action<FFMpegArgumentOptions>? addArguments)