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cam.py
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#!/usr/bin/python
from gi.repository import Gtk
import sys,re,os,time
import urllib2
import subprocess,signal
bitRates={
"QVGA":(1,[128,256,384,512]),
"VGA":(0,[128,256,384,512,640,768,896,1024]),
"720P":(3,[128,256,384,512,640,768,896,1024,1280,1536,1792,2048,2560,3072,3584,4096])
}
frameRates=range(1,31)
# default values
wCamDefaultPort=81
wCamDefaultMode="VGA"
wCamDefaultBitRate=1024
wCamDefaultFrameRate=15
wCamAddress="10.0.0.54" # wCamAddress is mandatory
wCamDefaultUser="admin"
wCamDefaultPassWord="888888"
wCamPort = wCamDefaultPort
wCamMode=wCamDefaultMode
wCamBitRate=wCamDefaultBitRate
wCamFrameRate=wCamDefaultFrameRate
wCamAddress=None # wCamAddress is mandatory
wCamUser=wCamDefaultUser
wCamPassWord=wCamDefaultPassWord
wCamTitle=None
mplayerPid=None
def usage():
print "Usage : %s <OPTIONS>" % (sys.argv[0])
print "-h, --help show this help"
print "-u, --user=<user> set user ( default is [%s] )" % (wCamDefaultUser)
print "-x, --password=<password> set password ( default is [%s] )" % (wCamDefaultPassWord)
print "-a, --address=<webcam address> set webcam address e.g -i 192.168.0.253 or -i=starcam.myhome.lan ( mandatory )"
print "-p, --port=<webcam ip address> set webcam port e.g. -p 81 (default is [%s])" % (wCamDefaultPort)
print "-m, --mode=<mode> set output resolution: allowed values: QVGA, VGA, 720P e.g. -m VGA (default is [%s])" % (wCamDefaultMode)
print "-b, --bitrate=<bitrate> set bitrate: allowed values depends from mode: (default is [%s])" % (wCamDefaultBitRate)
for mode,rates in bitRates.iteritems():
print " for %s: %s" % (mode,rates[1])
print "-f, --framerate=<fps> set framerate: allowed values %s e.g -f 25 (default is [%s])" % (frameRates,wCamDefaultFrameRate)
sys.exit(1)
def kill_child_processes(parent_pid,sig=signal.SIGTERM):
cmd="ps -o pid --ppid %d --noheaders" % (parent_pid)
print "cmd [%s]" % (cmd)
ps_command = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
ps_output = ps_command.stdout.read()
retcode = ps_command.wait()
if retcode == 0:
for pid_str in ps_output.split("\n")[:-1]:
kill_child_processes (int(pid_str))
print "child kill pid %s" % (pid_str)
try:
os.kill(int(pid_str), sig)
except:
pass
else:
try:
os.kill(parent_pid, sig)
except:
pass
# http://starcam/camera_control.cgi?loginuse=admin&loginpas=888888¶m=13&value=512&140094356 38360.6156135550700128&_=140094356 3838
def httpGet(uri,params):
import random
import time
# params="%s&%f" % (params,time.time()*1000+random.random())
url="http://%s:%s/%s?loginuse=%s&loginpas=%s&%s" % (wCamAddress,wCamPort,uri,wCamUser,wCamPassWord,params)
print url
sock=urllib2.urlopen (url,None,4)
response = sock.read()
sock.close()
print response
class CamWindow(Gtk.Window):
def __init__(self):
Gtk.Window.__init__(self, title="CAM control")
self.set_border_width(10)
self.set_title(wCamTitle)
# http://python-gtk-3-tutorial.readthedocs.org/en/latest/layout.html#grid
grid = Gtk.Grid()
self.add(grid)
top = Gtk.Button("Up")
top.connect("pressed", self._pressed,"decoder_control.cgi","command=0&onestep=0")
top.connect("released", self._released,"decoder_control.cgi","command=1&onestep=0")
grid.attach(top, 1, 0, 1, 1)
left = Gtk.Button("Left")
left.connect("pressed", self._pressed,"decoder_control.cgi","command=4&onestep=0")
left.connect("released", self._released,"decoder_control.cgi","command=5&onestep=0")
grid.attach(left, 0, 1, 1, 1)
right = Gtk.Button("Right")
right.connect("pressed", self._pressed,"decoder_control.cgi","command=6&onestep=0")
right.connect("released", self._released,"decoder_control.cgi","command=7&onestep=0")
grid.attach(right, 2, 1, 1, 1)
bottom = Gtk.Button("Down")
bottom.connect("pressed", self._pressed,"decoder_control.cgi","command=2&onestep=0")
bottom.connect("released", self._released,"decoder_control.cgi","command=3&onestep=0")
grid.attach(bottom, 1, 2, 1, 1)
zoomout = Gtk.Button("Zoom Out")
zoomout.connect("pressed", self._pressed,"camera_control.cgi","param=17&value=1")
zoomout.connect("released", self._released,"camera_control.cgi","param=17&value=0")
grid.attach(zoomout, 3, 2, 1, 1)
zoomin = Gtk.Button("Zoom In")
zoomin.connect("pressed", self._pressed,"camera_control.cgi","param=18&value=1")
zoomin.connect("released", self._released,"camera_control.cgi","param=18&value=0")
grid.attach(zoomin, 3, 0, 1, 1)
def _pressed(self, button,uri,params):
print("press")
httpGet (uri,params)
def _released(self, button,uri,params):
print("release")
httpGet (uri,params)
def on_close_clicked(self, button):
print("Closing application")
Gtk.main_quit()
def go():
win = CamWindow()
win.connect("delete-event", Gtk.main_quit)
win.show_all()
Gtk.main()
if __name__ == '__main__':
import getopt
try:
opts, args = getopt.getopt(sys.argv[1:], "a:p:m:b:f:h", ["help", "address=","port=","mode=","bitrate=","framerate="])
except getopt.GetoptError:
# print help information and exit:
usage()
sys.exit(2)
verbose = False
for o, a in opts:
if o in ( "-u","--user"):
wCamUser = a
if o in ( "-x","--password"):
wCamPassWord = a
if o in ( "-a","--address"):
wCamAddress = a
if o in ( "-p","--port"):
wCamPort = a
if o in ( "-m","--mode"):
wCamMode = a
if o in ( "-b","--bitrate"):
wCamBitRate = int(a)
if o in ( "-f","--framerate"):
wCamFrameRate = int(a)
if o in ( "-v","--verbose"):
verbose = a
if o in ("-h","--help"):
usage()
if (not wCamAddress):
usage()
if verbose:
print "Verbose is [%d]" % (verbose)
if wCamMode not in bitRates.keys():
print "Invalid Mode [%s]" % (wCamMode)
usage()
else:
if not wCamBitRate in bitRates[wCamMode][1]:
print "Invalid bitRate [%s] for mode [%s]" % (wCamBitRate, wCamMode)
usage()
if wCamFrameRate not in frameRates:
print "Invalid frameRate [%s]" % (wCamFrameRate)
usage()
wCamTitle="%s:%s" % (wCamAddress,wCamPort)
print "Using user %s:%s %s:%s, mode %s, bitrate %s, framerate %s" % (wCamUser,wCamPassWord,wCamAddress,wCamPort,wCamMode,wCamBitRate,wCamFrameRate)
# set framerate
httpGet ("camera_control.cgi","param=6&value=%d" % (wCamFrameRate))
time.sleep(1)
#httpGet ("get_camera_params.cgi","")
# set video format
httpGet ("camera_control.cgi","param=0&value=%s" % (bitRates[wCamMode][0]))
time.sleep(1)
httpGet ("get_camera_params.cgi","")
streamingUrl="http://%s:%s/livestream.cgi?user=%s&pwd=%s&streamid=0&audio=0&filename=" % (wCamAddress,wCamPort,wCamUser,wCamPassWord)
cmd="curl -s \"%s\" | mplayer -title \"%s\" -quiet -nocache -vc ffh264 -demuxer h264es -fps %s -noextbased -" % (streamingUrl,wCamTitle,wCamFrameRate)
mplayerPid=os.fork()
print "player pid %d" % (mplayerPid)
if not mplayerPid:
os.system (cmd)
else:
time.sleep(4)
# set bitrate
httpGet ("camera_control.cgi","param=13&value=%d" % (wCamBitRate))
go()
kill_child_processes (mplayerPid)
#os.kill (mplayerPid,signal.SIGTERM)