diff --git a/backend.yml b/backend.yml
index fbfc652..4f71306 100644
--- a/backend.yml
+++ b/backend.yml
@@ -452,8 +452,12 @@ components:
           items:
             type: string
             format: url
-        ffmpeg_args:
-          type: string
+        bitrate:
+          type: integer
+        width:
+          type: integer
+        height:
+          type: integer
     IngestObjectNeighbors:
       required:
       - outputNeighbours
@@ -489,7 +493,9 @@ components:
       required:
       - inputNeighbours
       - outputNeighbours
-      - ffmpeg_args
+      - bitrate
+      - width
+      - height
       type: object
       properties:
         inputNeighbour:
@@ -500,8 +506,12 @@ components:
           items:
             type: string
             format: uuid
-        ffmpeg_args:
-          type: string
+        bitrate:
+          type: integer
+        width:
+          type: integer
+        height:
+          type: integer
     StreamerObjectArray:
       type: array
       items: