diff --git a/videohelpersuite/nodes.py b/videohelpersuite/nodes.py
index 631f537..13a10e8 100644
--- a/videohelpersuite/nodes.py
+++ b/videohelpersuite/nodes.py
@@ -52,6 +52,24 @@ def get_video_formats():
             formats.append("video/" + format_name)
     return formats
 
+def get_format_widget_defaults(format_name):
+    video_format_path = folder_paths.get_full_path("VHS_video_formats", format_name + ".json")
+    with open(video_format_path, 'r') as stream:
+        video_format = json.load(stream)
+    results = {}
+    for w in gen_format_widgets(video_format):
+        if len(w[0]) > 2 and 'default' in w[0][2]:
+            default = w[0][2]['default']
+        else:
+            if type(w[0][1]) is list:
+                default = w[0][1][0]
+            else:
+                #NOTE: This doesn't respect max/min, but should be good enough as a fallback to a fallback to a fallback
+                default = {"BOOLEAN": False, "INT": 0, "FLOAT": 0, "STRING": ""}[w[0][1]]
+        results[w[0][0]] = default
+    return results
+
+
 def apply_format_widgets(format_name, kwargs):
     video_format_path = folder_paths.get_full_path("VHS_video_formats", format_name + ".json")
     with open(video_format_path, 'r') as stream:
@@ -120,8 +138,10 @@ class VideoCombine:
         extra_pnginfo=None,
         audio=None,
         unique_id=None,
+        manual_format_widgets=None
     ):
-        kwargs = prompt[unique_id]['inputs']
+
+
         # convert images to numpy
 
         # get output information
@@ -202,9 +222,24 @@ class VideoCombine:
                 #Should never be reachable
                 raise ProcessLookupError("Could not find ffmpeg")
 
-            video_format_path = folder_paths.get_full_path("VHS_video_formats", format_ext + ".json")
-            with open(video_format_path, 'r') as stream:
-                video_format = json.load(stream)
+            #Acquire additional format_widget values
+            kwargs = None
+            if manual_format_widgets is None:
+                if prompt is not None:
+                    kwargs = prompt[unique_id]['inputs']
+                else:
+                    manual_format_widgets = {}
+            if kwargs is None:
+                kwargs = get_format_widget_defaults(format_ext)
+                missing = {}
+                for k in kwargs.keys():
+                    if k in manual_format_widgets:
+                        kwargs[k] = manual_format_widgets[k]
+                    else:
+                        missing[k] = kwargs[k]
+                if len(missing) > 0:
+                    logger.warn("Extra format values were not provided, the following defaults will be used: " + str(kwargs) + "\nThis is likely due to usage of ComfyUI-to-python. These values can be manually set by supplying a manual_format_widgets argument")
+
             video_format = apply_format_widgets(format_ext, kwargs)
             if video_format.get('input_color_depth', '8bit') == '16bit':
                 images = tensor_to_shorts(images)