added video rec feature

scripts/ppe.py

@@ -351,7 +351,7 @@ class Ppe(ModelWrapper):
         size = (frame_width, frame_height)
         working_dir = os.getcwd()
         file_name =str(unique_id) + ".avi"
-        file_name = os.path.join(working_dir, "output", file_name)
+        file_name = os.path.join("/home/output", file_name)
         # Below VideoWriter object will create
         # a frame of above defined The output
         # is stored in 'filename.avi' file.