[Parsed_scale2ref_1 @ 000000c7ed72c7c0] [Eval @ 000000c7eb81e740] Undefined constant or missing '(' in 'main_w/1920'
[Parsed_scale2ref_1 @ 000000c7ed72c7c0] [Eval @ 000000c7eb81e740] Undefined constant or missing '(' in 'main_h/1080'
Error when evaluating the expression '184*main_h/1080'.
Maybe the expression for out_w:'772*main_w/1920' or for out_h:'184*main_h/1080' is self-referencing.
[Parsed_scale2ref_1 @ 000000c7ed72c7c0] Failed to configure output pad on Parsed_scale2ref_1
Error configuring complex filters.
Invalid argument