diff --git a/butterflow-ui/ButterflowWrapper.cs b/butterflow-ui/ButterflowWrapper.cs
index 1fe2b20..d2efbeb 100644
--- a/butterflow-ui/ButterflowWrapper.cs
+++ b/butterflow-ui/ButterflowWrapper.cs
@@ -1,4 +1,5 @@
-using System;
+using csmic;
+using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
@@ -17,8 +18,12 @@ namespace butterflow_ui
/// The RegEx string for matching probed resolution.
private const string REGEX_RESOLUTION = @"Resolution\s*:\s(?\d+)x(?\d+)";
- /// The RegEx string for matching the probed playback rate..
+ /// The RegEx string for matching the probed playback rate.
private const string REGEX_RATE = @"Rate\s*:\s(?\d+\.\d+) fps";
+ /// The RegEx string for detecting progress made when rendering a video.
+ private const string REGEX_PROGRESS = @"To write\:\s*\w*\s*\w*\,*\w*\s*(?