diff --git a/config.json b/config.json
index 8be3639..73114a5 100644
--- a/config.json
+++ b/config.json
@@ -1,42 +1,43 @@
 [
   {
-  "Format": "mp4",
+  "Format": "webm",
   "Scale": "1920:1080",
   "Resize": false,
   "VideoBitrate": 900,
   "AudioBitrate": 192,
-  "VideoCodec": "libx264",
+  "VideoCodec": "libvpx-vp9",
   "Preset": "veryfast",
   "CleanFilename": false,
   "CRF": 30,
   "FPS": 30,
   "Tune": "animation",
   "Input": "LGo*.mp4",
-  "OutDir": "mp4_test",
+  "OutDir": "dash_test",
   "Passes": 1,
   "Extras": [
-      "-movflags", "faststart",
-      "-tune", "animation"
+    "-deadline", "realtime",
+    "-row-mt", "1",
+    "-cpu-used", "8"
     ]
   },
   {
   "Format": "webm",
   "VideoCodec": "libvpx-vp9",
-  "Scale": "1920:1080",
+  "Scale": "1280:720",
   "Resize": false,
-  "VideoBitrate": 900,
+  "VideoBitrate": 600,
   "AudioBitrate": 192,
   "CleanFilename": false,
   "CRF": 30,
   "FPS": 30,
   "Tune": "animation",
   "Input": "LGo*.mp4",
-  "OutDir": "webm_test",
+  "OutDir": "dash_test",
   "Passes": 1,
   "Extras": [
     "-deadline", "realtime",
     "-row-mt", "1",
     "-cpu-used", "8"
-    ]
+   ]
   }
 ]
diff --git a/config/settings.go b/config/settings.go
index 5cde046..3ae9c6a 100644
--- a/config/settings.go
+++ b/config/settings.go
@@ -31,6 +31,7 @@ type VideoOpts struct {
 type Settings struct {
   Debug int
   Force bool
+  Server string
   ConfigPath string
   Encodings []VideoOpts
 }
@@ -39,6 +40,7 @@ func ParseFlags(c *Settings) {
   flag.IntVar(&c.Debug, "debug", 0, "1=print the ffmpeg command, 2=and its stderr output")
   flag.BoolVar(&c.Force, "force", false,  "Force the render even if the file exists.")
   flag.StringVar(&c.ConfigPath, "config", "config.json",  "config.json to load")
+  flag.StringVar(&c.Server, "server", ":8099",  "start a simple HTTP server for testing")
 
   flag.Parse()
 }
diff --git a/main.go b/main.go
index 5b9c303..32d98b1 100644
--- a/main.go
+++ b/main.go
@@ -25,14 +25,13 @@ func ModFile(fname string, encoding config.VideoOpts) string {
   return filepath.Join(dir, renamed)
 }
 
-
 func Run(encoding config.VideoOpts, pass int, pid int, input string, output string) {
   encode := fluentffmpeg.NewCommand("")
 
   extras := []string{
     "-pix_fmt", "yuv420p",
     "-pass", fmt.Sprint(pass),
-    "-passlogfile", fmt.Sprintf("ffmpeg2pass-%x.log", pid),
+    "-passlogfile", fmt.Sprintf("ffmpegpass-%x.log", pid),
   }
 
   if encoding.Preset != "" {
@@ -45,8 +44,6 @@ func Run(encoding config.VideoOpts, pass int, pid int, input string, output stri
     "-aspect", encoding.Scale)
   }
 
-  extras = append(extras, encoding.Extras...)
-
   if pass != encoding.Passes {
     extras = append(extras, "-an")
   } else {
@@ -66,6 +63,7 @@ func Run(encoding config.VideoOpts, pass int, pid int, input string, output stri
     FrameRate(encoding.FPS).
     ConstantRateFactor(encoding.CRF)
 
+  extras = append(extras, encoding.Extras...)
   encode.OutputOptions(extras...)
 
   cmd := encode.InputPath(input).