add crop since some input videos have black lines at rightmost column

app.py

@@ -51,7 +51,7 @@ def retrieve_results(selected_dataset, selected_sequence, selected_models, selec
     padding = 2
     font_size = 20
     num_cols = len(selected_models)
-    crop_str = "crop=trunc(iw/2)*2:trunc(ih/2)*2"
+    crop_str = "crop=trunc(iw/2)*2-2:trunc(ih/2)*2,"
     pad_str = "pad=ceil(iw/2)*2+{}:ceil(ih/2)*2+{}:{}:{}:white".format(padding*2, padding*2, padding, padding)
     num_elements = num_rows * num_cols
 
@@ -108,7 +108,7 @@ def retrieve_results(selected_dataset, selected_sequence, selected_models, selec
             else:
                 pad_txt_str = ""
 
-            input_filter_part = "[{}:v]scale={}:-1,{}{}[v{}]".format(vid_idx, w, pad_str, pad_txt_str, vid_idx)
+            input_filter_part = "[{}:v]scale={}:-1,{}{}{}[v{}]".format(vid_idx, w, crop_str, pad_str, pad_txt_str, vid_idx)
             input_filter_parts.append(input_filter_part)
             xstack_input_part = "[v{}]".format(vid_idx)
             xstack_input_parts.append(xstack_input_part)