htt-video/scripts/output2screen

68 lines
1.9 KiB
Bash
Executable File

#!/bin/bash
# Deliver mixer1 output to screen.
# Taken from the original snowmix sources
# USE OPEN-BSD NETCAT OTHERWISE THINGS KEEP BLOCKING
if [ -z "$1" -o -z "$2" -o -z "$3" ]; then
echo "Usage $0 <remote ip> <width> <height>"
exit
fi
remote_ip="$1"
outwidth="$2"
outheight="$3"
tmpfile=/tmp/output2screen.tmp.$$
echo 'system info' | nc 127.0.0.1 9999 >$tmpfile
geometry=`grep 'STAT: System geometry' $tmpfile |cut -f3 -d: |cut -f2 -d' '|tr 'x' ' '`
framerate=`grep 'STAT: Frame rate' $tmpfile |cut -f3 -d: |cut -f2 -d' '`
ctrsocket=`grep 'STAT: Output ctr socket' $tmpfile |cut -f3 -d: |cut -f2 -d' '`
rm $tmpfile
VIDEO=video/x-raw-rgb
AUDIO=audio/x-raw-int
frameratefraction()
{
echo $1 | awk '{ rate=$1 ;
factor=1;
intrate=int(rate);
while (factor*rate > intrate) {
factor = factor * 10;
intrate = int(rate*factor);
}
printf("%d/%d\n",intrate,factor);
}'
}
ratefraction=`frameratefraction $framerate`
width=`echo $geometry |cut -f1 -d' '`
height=`echo $geometry |cut -f2 -d' '`
MIXERFORMAT=$VIDEO', bpp=(int)32, depth=(int)32, endianness=(int)4321, format=(fourcc)BGRA, red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, width=(int)'$width', height=(int)'$height', framerate=(fraction)'$ratefraction', pixel-aspect-ratio=(fraction)1/1, interlaced=(boolean)false'
OUTPUTFORMAT=$VIDEO', width='$outwidth', height='$outheight
while true ; do
gst-launch-0.10 -v shmsrc socket-path=$ctrsocket do-timestamp=true is-live=true ! \
$MIXERFORMAT ! \
queue leaky=2 !\
tee name=atee ! \
videoscale ! \
$OUTPUTFORMAT ! \
ffmpegcolorspace ! \
queue ! \
ximagesink \
atee. !\
queue leaky=2 !\
timeoverlay !\
ffmpegcolorspace !\
'video/x-raw-yuv' !\
jpegenc !\
rtpjpegpay !\
udpsink host=$remote_ip port=9998 sync=true
sleep 2
done