snowmix/server/working-udp-mjpeg.sh

#!/bin/bash
#
# IMPORTANT >>>>>You need to get port, ip and feed_id right<<<<<
if [ "X$SNOWMIX" = X ] ; then
  echo "You need to set the SNOWMIX environment variable"
  exit 1
fi
if [ "X$SNOWMIX_PORT" = X ] ; then export SNOWMIX_PORT=9999 ;fi
if [ "X$SNOWMIX_IP" = X ] ; then export SNOWMIX_IP=127.0.0.1 ;fi

if [ $# -lt 1 ] ; then
  echo "Missing argument\nUsage $0 <feed id> [<audio feed id> [<input file>]"
  echo "Setting audio feed to 0 disables audio"
  exit 1
fi

# Set video feed and audio feed id
feed_id=$1
audio_feed_id=0 #DISABLE AUDIO

# Load the Snowmix and GStreamer settings
. $SNOWMIX/scripts/gstreamer-settings
. $SNOWMIX/scripts/snowmix-settings
# This will set
# a) feed_rate
# b) feed_channels
# c) feed_control_pipe
# d) feed_width
# e) feed_height
# f) ctrsocket
# g) system_width
# h) system_height
# i) ratefraction
# j) snowmix
# k) channels
# l) rate


if [ X$feed_control_pipe = X -o X$system_width = X -o X$system_height = X ] ; then
  echo Failed to get control pipe or width or height from running snowmix
  exit 1
fi

#echo "Snowmix Geometry        : $system_width x $system_height"
#echo "Snowmix control socket  : $ctrsocket"
echo "Video feed geometry     : $feed_width x $feed_height"
echo "Video control socket    : $feed_control_pipe"
echo "Video and audio feed id : $feed_id $audio_feed_id"

if [ X$feed_rate = X -o X$feed_channels = X ] ; then
  echo Failed to get rate or channels from running snowmix
  echo Disabling audio
else
  echo "Audio rate and channels : $feed_rate $feed_channels"
fi

SHMSIZE='shm-size='`echo "$feed_width * $feed_height * 4 * 26"|bc`
SHMOPTION="wait-for-connection=1 sync=true"
SHMSINK1="shmsink socket-path=$feed_control_pipe $SHMSIZE $SHMOPTION"
#AUDIOFORMAT="$AUDIOS16LE"', rate='$feed_rate', channels='$feed_channels
VIDEOFORMAT=$VIDEOBGRA', width='$feed_width', height='$feed_height', framerate=30/1'
SRC="udpsrc port=5002 ! application/x-rtp, payload=96 ! rtpjitterbuffer ! rtpjpegdepay ! jpegdec"

#gst-launch-1.0 -v udpsrc port=5002 ! application/x-rtp, payload=96 ! rtpjitterbuffer !  ! videoconvert ! videorate ! 
#videoscale ! videoconvert ! video/x-raw,format=BGRA,pixel-aspect-ratio=1/1,interlace-mode=progressive, width=800, height=600,
#framerate=30/1 ! queue ! shmsink socket-path=/tmp/feed2-control-pipe shm-size=81788928 wait-for-connection=1 sync=true

while true ; do
    # Remove the named pipe if it exist
    rm -f $feed_control_pipe
    com="gst-launch-1.0 -v $SRC ! videoconvert ! videorate ! videoscale ! videoconvert ! $VIDEOFORMAT ! queue ! $SHMSINK1"

	echo "#####################"
	echo $com;
	echo "#####################"
	eval $com
    sleep 2
done