FS-11849: [Build-System] Add mod_av based on ffmpeg and openh264 to MSI package on Windows.

w32/Setup/CustomActions/Setup.CA.DownloadOpenH264/CustomAction.cs

@@ -0,0 +1,70 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Microsoft.Deployment.WindowsInstaller;
+using ICSharpCode.SharpZipLib.BZip2;
+using System.IO;
+using System.Net;
+
+namespace Setup.CA.DownloadOpenH264
+{
+    public class CustomActions
+    {
+        [CustomAction]
+        public static ActionResult DownloadOpenH264(Session session)
+        {
+            session.Log("Begin DownloadOpenH264");
+
+            string filename = session.CustomActionData["location"] + @"openh264.dll";
+
+            try
+            {
+                WebRequest request = HttpWebRequest.Create("http://ciscobinary.openh264.org/openh264-1.8.0-win64.dll.bz2");
+
+                using (WebResponse response = request.GetResponse())
+                {
+                    Stream responseStream = response.GetResponseStream();
+                    BZip2InputStream zisUncompressed = new BZip2InputStream(responseStream);
+                    using (var output = File.Create(filename))
+                    {
+                        var buffer = new byte[2048];
+                        int n;
+                        while ((n = zisUncompressed.Read(buffer, 0, buffer.Length)) > 0)
+                        {
+                            output.Write(buffer, 0, n);
+                        }
+                    }
+                }
+            }
+            catch {
+                session.Log("Unable to download openh264 codec.");
+            }
+
+            return ActionResult.Success;
+        }
+
+        [CustomAction]
+        public static ActionResult RemoveOpenH264Binary(Session session)
+        {
+            session.Log("Begin RemoveOpenH264Binary");
+            string filename = session.CustomActionData["location"] + @"openh264.dll";
+
+            try
+            {
+                // Check if file exists with its full path    
+                if (File.Exists(filename))
+                {
+                    // If file found, delete it    
+                    File.Delete(filename);
+                    session.Log("RemoveOpenH264Binary deleted openh264.dll");
+                }
+            }
+            catch (IOException ioExp)
+            {
+                session.Log("RemoveOpenH264Binary can't delete openh264.dll");
+            }
+
+            return ActionResult.Success;
+        }
+    }
+}