gavf-filter(1) on Linux
The text f8b48bb6d2cc, as Debian 12 (Bookworm) shipped it.
Gavf A/V filter
Flags it lists
-
-af -
-aq -
-as -
-help -
-help-man -
-help-texi -
-i -
-iopt -
-m -
-o -
-oopt -
-os -
-stderr -
-syslog -
-ts -
-v -
-version -
-vf -
-vq -
-vs