Force format.
@item -window_title @var{title}
Set window title (default is the input filename).
+@item -left @var{title}
+Set the x position for the left of the window (default is a centered window).
+@item -top @var{title}
+Set the y position for the top of the window (default is a centered window).
@item -loop @var{number}
Loops movie playback <number> times. 0 means forever.
@item -showmode @var{mode}
may be dropped if not read in time. Use this option to enable infinite buffers
for all inputs, use @option{-noinfbuf} to disable it.
+@item -filter_threads @var{nb_threads}
+Defines how many threads are used to process a filter pipeline. Each pipeline
+will produce a thread pool with this many threads available for parallel
+processing. The default is 0 which means that the thread count will be
+determined by the number of available CPUs.
+
@end table
@section While playing