Make ff* tools only accept opt_* functions taking two arguments.
The distinction between functions with one and two arguments is quite
pointless. Simplify parse_options() code.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
filters.
Currently filters are not registered, so the option will show none.
Originally committed as revision 20807 to svn://svn.ffmpeg.org/ffmpeg/trunk
Stefano Sabatini
Ramiro Polla