mencoder doesn't need the '-' input (anymore)

Not sure when it needed it.
more precise mplayer2 note
add DBG for mencoder
merged audio+video, part 1
attempt at alsa device name parsing
bring $playback_delay down to zero (xpoll_for_file_to_appear)
remove aspect=16/9
eliminate SIZE variable
merged audio+video, part 2
make default verbose=1
add and use pipeline_Process, merged audio+video done
update docs
to do file
use .avi suffix