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#!/bin/sh
# example how to output video on multiple windows in sync.
# might be even more useful in combination with vo ggi
# to distribute the video arbitrarily
dir=/tmp/$$
count=$1
shift
if test 0"$count" -lt 1; then
echo "At least 1 slave instance must be used."
echo ""
echo "Usage:"
echo "./mplmult.sh n mplayer-opts"
echo "n number of MPlayer instances that display the video"
echo "mplayer-opts anything you would specify to mplayer,"
echo " more than one file will usually not work"
exit 1
fi
mkdir -m 700 $dir
if test $? -ne 0; then
echo "Could not create temp dir!"
exit 1
fi
mkfifo $dir/stream.yuv
i=1
fifo_list=""
while test $i -le $count; do
fifo_list="$dir/mp$i $fifo_list"
let i=$i+1
done
mkfifo $fifo_list
(cat $dir/stream.yuv | tee $fifo_list > /dev/null ) &
for fifo in $fifo_list; do
# -benchmark is neccessary so that it will not do any timing.
# the master instance already takes care of it and not specifying
# it will break A-V sync.
mplayer -nocache -quiet -benchmark "$fifo" > /dev/null 2>&1 &
done
mplayer -nocache -fixed-vo -vo yuv4mpeg:file=$dir/stream.yuv "$@"
rm -rf $dir
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