Simple MJPEG Server

mjpeg-server.sh

#!/bin/bash
# Simple MJPEG Server
# ----------------------------------------------------------------------------
# "THE BEER-WARE LICENSE" (commit 34973274ccef6ab4dfaaf86599792fa9c3fe4689):
# <pablo@propus.com.br> wrote this file. As long as you retain this notice you
# can do whatever you want with this stuff. If we meet some day, and you think
# this stuff is worth it, you can buy me a beer in return Pablo Lorenzzoni
# ----------------------------------------------------------------------------

# MJPEG Stream frame
function echo_frame {
	FILE=$1
	FILESIZE=`stat -c%s $FILE`

	echo -ne "--jpegframe\r\n"
	echo -ne "Content-Type: image/jpeg\r\n"
	echo -ne "Content-Length: $FILESIZE\r\n\r\n"
	cat $FILE
	echo -ne "\r\n\r\n\r\n"
}

# MJPEG Stream header
function echo_header {
	echo -ne "Status: 200 OK\r\n"
	echo -ne "Cache-Control: no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0\r\n"
	echo -ne "Pragma: no-cache\r\n"
	echo -ne "Connection: close\r\n"
	echo -ne "Server: MJPEG-Bash-Streamer/0.1\r\n"
	echo -ne "Content-Type: multipart/x-mixed-replace; boundary=--jpegframe"
	echo -ne "\r\n\r\n"
}

DIR='/home/cameras/sources/default'

# Open MJPEG stream
echo_header

# Wait for a new frame and spill it out
inotifywait -e close_write -m --format "%f" $DIR | while read FILE; do
	echo_frame $DIR/$FILE
done