Add the ability to specify the pass count in the encoding config.

config.json

@@ -10,7 +10,8 @@
   "FPS": 30,
   "Tune": "animation",
   "Input": "test*.mp4",
-  "OutDir": "renders"
+  "OutDir": "renders",
+  "Passes": 3
   },
   {
   "Format": "mp4",
@@ -23,6 +24,7 @@
   "FPS": 30,
   "Tune": "animation",
   "Input": "test*.mp4",
-  "OutDir": "renders"
+  "OutDir": "renders",
+  "Passes": 2
   }
 ]

config/settings.go

@@ -20,6 +20,7 @@ type VideoOpts struct {
   OutDir string
   Test int
   TestStart int
+  Passes int
 }
 
 type Settings struct {

main.go

@@ -40,7 +40,7 @@ func Run(encoding config.VideoOpts, pass int, pid int, input string, output stri
     "-preset", encoding.Speed,
   }
 
-  if pass != 3 {
+  if pass != encoding.Passes {
     mp4_encoding = append(mp4_encoding, "-an")
   } else {
     encode.AudioCodec("aac")
@@ -80,10 +80,12 @@ func DevNull() string {
   }
 }
 
-func RenderFile(opts config.VideoOpts, pid int, path string, target string) {
-  Run(opts, 1, pid, path, DevNull())
-  Run(opts, 2, pid, path, DevNull())
-  Run(opts, 3, pid, path, target)
+func RenderFile(encoding config.VideoOpts, pid int, path string, target string) {
+  for i := 1; i < encoding.Passes; i++ {
+    Run(encoding, i, pid, path, DevNull())
+  }
+
+  Run(encoding, encoding.Passes, pid, path, target)
 }
 
 func RenderToDir(encoding config.VideoOpts) {