vompilirc.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 """vompilirc.py: Routes remote commands received through LIRC to vompclient via UDP."""
   5
   6 #  Copyright (C) 2013  Alexander Koenig <alex@lisas.de>
   7 #
   8 #  This program is free software; you can redistribute it and/or modify
   9 #  it under the terms of the GNU General Public License as published by
  10 #  the Free Software Foundation; either version 2 of the License, or
  11 #  (at your option) any later version.
  12 #
  13 #  This program is distributed in the hope that it will be useful,
  14 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 #  GNU General Public License for more details.
  17 #
  18 #  You should have received a copy of the GNU General Public License
  19 #  along with this program; if not, write to the Free Software
  20 #  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21
  22 __author__ = "Alexander König"
  23 __email__ = "alex@lisas.de"
  24 __license__ = "GPLv2"
  25
  26 import pylirc, time, socket, os, signal, subprocess
  27
  28 vomp_host = '127.0.0.1'
  29 vomp_port = 2000
  30 vomp_client = None
  31
  32 # VOMP remote commands as defined in remote.h
  33
  34 VOMP_NA_LEARN    = 101
  35 VOMP_NA_NONE     = 98
  36 VOMP_NA_UNKNOWN  = 99
  37 VOMP_NA_SIGNAL   = 100
  38 VOMP_DF_UP       = 94
  39 VOMP_DF_DOWN     = 95
  40 VOMP_DF_LEFT     = 96
  41 VOMP_DF_RIGHT    = 97
  42
  43 VOMP_VOLUMEUP    = 16
  44 VOMP_VOLUMEDOWN  = 17
  45 VOMP_CHANNELUP   = 32
  46 VOMP_CHANNELDOWN = 33
  47
  48 VOMP_ZERO        = 0
  49 VOMP_ONE         = 1
  50 VOMP_TWO         = 2
  51 VOMP_THREE       = 3
  52 VOMP_FOUR        = 4
  53 VOMP_FIVE        = 5
  54 VOMP_SIX         = 6
  55 VOMP_SEVEN       = 7
  56 VOMP_EIGHT       = 8
  57 VOMP_NINE        = 9
  58 VOMP_POWER       = 61
  59 VOMP_GO          = 59
  60 VOMP_BACK        = 31
  61 VOMP_MENU        = 13
  62 VOMP_RED         = 11
  63 VOMP_GREEN       = 46
  64 VOMP_YELLOW      = 56
  65 VOMP_BLUE        = 41
  66 VOMP_MUTE        = 15
  67 VOMP_RADIO       = 12
  68 VOMP_REVERSE     = 50
  69 VOMP_PLAY        = 53
  70 VOMP_FORWARD     = 52
  71 VOMP_RECORD      = 55
  72 VOMP_STOP        = 54
  73 VOMP_PAUSE       = 48
  74 VOMP_SKIPBACK    = 36
  75 VOMP_SKIPFORWARD = 30
  76 VOMP_OK          = 37
  77
  78 VOMP_FULL        = 60
  79
  80 VOMP_TV          = 28
  81 VOMP_VIDEOS      = 24
  82 VOMP_MUSIC       = 25
  83 VOMP_PICTURES    = 26
  84 VOMP_GUIDE       = 27
  85 VOMP_UP          = 20
  86 VOMP_DOWN        = 21
  87 VOMP_LEFT        = 22
  88 VOMP_RIGHT       = 23
  89 VOMP_PREVCHANNEL = 18
  90 VOMP_STAR        = 10
  91 VOMP_HASH        = 14
  92
  93 VOMP_PLAYPAUSE   = 201
  94
  95 unhandled_map =  {
  96         'KEY_POWER': VOMP_POWER,'KEY_HOME': 0, 'KEY_TV': VOMP_TV, 'KEY_VIDEO': VOMP_VIDEOS, 'KEY_AUDIO': VOMP_MUSIC, 'KEY_CAMERA': VOMP_PICTURES
  97         }
  98
  99 remote_map = {
 100         'KEY_EPG': VOMP_GUIDE,'KEY_RADIO': VOMP_RADIO,'KEY_UP': VOMP_UP,'KEY_DOWN': VOMP_DOWN,
 101         'KEY_LEFT': VOMP_LEFT,'KEY_RIGHT': VOMP_RIGHT,'KEY_OK': VOMP_OK,'KEY_EXIT': VOMP_BACK,
 102         'KEY_MENU': VOMP_MENU,'KEY_PREVIOUS': VOMP_PREVCHANNEL,'KEY_MUTE': VOMP_MUTE,
 103         'KEY_VOLUMEUP': VOMP_VOLUMEUP,'KEY_VOLUMEDOWN': VOMP_VOLUMEDOWN,'KEY_CHANNELUP': VOMP_CHANNELUP,'KEY_CHANNELDOWN': VOMP_CHANNELDOWN,
 104         'KEY_RECORD': VOMP_RECORD,'KEY_STOP': VOMP_STOP,'KEY_PLAY': VOMP_PLAY,'KEY_REWIND': VOMP_REVERSE,'KEY_FORWARD': VOMP_FORWARD,
 105         'KEY_FRAMEBACK': VOMP_SKIPBACK,'KEY_PAUSE': VOMP_PAUSE,'KEY_FRAMEFORWARD': VOMP_SKIPFORWARD,
 106         'KEY_1': VOMP_ONE,'KEY_2': VOMP_TWO,'KEY_3': VOMP_THREE,'KEY_4': VOMP_FOUR,'KEY_5': VOMP_FIVE,
 107         'KEY_6': VOMP_SIX,'KEY_7': VOMP_SEVEN,'KEY_8': VOMP_EIGHT,'KEY_9': VOMP_NINE,
 108         'KEY_KPASTERISK': VOMP_STAR,'KEY_0': VOMP_ZERO,'KEY_KPPLUS': VOMP_HASH,
 109         'KEY_RED': VOMP_RED,'KEY_GREEN': VOMP_GREEN,'KEY_YELLOW': VOMP_YELLOW,'KEY_BLUE': VOMP_BLUE
 110 }
 111
 112 (VOMPILIRC_MODE_OFF, VOMPILIRC_MODE_VOMP, VOMPILIRC_MODE_XBMC) = (0, 1, 2)
 113
 114 mode = VOMPILIRC_MODE_OFF
 115 child_pipe = None
 116
 117 repeaters = [ VOMP_CHANNELUP, VOMP_CHANNELDOWN ]
 118 debug = False
 119
 120 def start_vomp():
 121         global mode
 122         global child_pipe
 123
 124         if debug:
 125                 print 'Starting vompclient'
 126
 127         mode = VOMPILIRC_MODE_VOMP
 128         child_pipe = subprocess.Popen(['vompclient','-n'])
 129
 130 def start_xbmc():
 131         global mode
 132         global child_pipe
 133
 134         if debug:
 135                 print 'Starting XBMC'
 136
 137         mode = VOMPILIRC_MODE_XBMC
 138         child_pipe = subprocess.Popen(['/usr/lib/xbmc/xbmc.bin', '--standalone'])
 139
 140
 141 def tv_power(off=False):
 142         pipe = subprocess.Popen(['cec-client', '-s'], stdin=subprocess.PIPE)
 143
 144         if off:
 145                 pipe.communicate('standby 0')
 146         else:
 147                 pipe.communicate('on 0')
 148
 149 def stop_child(force_off=False):
 150         global mode
 151         global child_pipe
 152
 153         if debug:
 154                 print 'Terminating child process'
 155
 156         try:
 157                 child_pipe.wait(5)
 158         except:
 159                 if debug:
 160                         print 'Did not terminate within timeout, sending kill signal.'
 161
 162                 child_pipe.kill()
 163                 child_pipe.wait()
 164
 165         if force_off:
 166                 tv_power(off=True)
 167
 168         child_pipe = None
 169         mode = VOMPILIRC_MODE_OFF
 170
 171 def signal_handler(signum, frame):
 172         if debug: print 'Exiting...'
 173
 174         if child_pipe != None:
 175                 stop_child()
 176
 177         pylirc.exit()
 178         os._exit(0)
 179
 180 def process_lirc_event():
 181         global mode
 182         global child_pipe
 183
 184         s = pylirc.nextcode(1)
 185
 186         for code in s:
 187                 vompmessage = ''
 188                 if debug: print 'Command: %s, Repeat: %d' % (code['config'], code['repeat'])
 189                 mapped_code = None
 190                 try:
 191                         mapped_code = '%i' % remote_map[code['config']]
 192                 except:
 193                         pass
 194
 195                 if mapped_code != None:
 196                         vompmessage = mapped_code
 197                 elif code['config'] == 'KEY_POWER':
 198                         if code['repeat'] == 0:
 199                                 if mode == VOMPILIRC_MODE_OFF:
 200                                         start_vomp()
 201                                 else:
 202                                         stop_child(force_off=True)
 203                 elif code['config'] == 'KEY_TV':
 204                         if code['repeat'] == 0:
 205                                 if mode == VOMPILIRC_MODE_OFF:
 206                                         start_vomp()
 207                                 elif mode == VOMPILIRC_MODE_XBMC:
 208                                         stop_child(force_off=False)
 209                                         start_vomp()
 210                 elif code['config'] == 'KEY_VIDEO':
 211                         if code['repeat'] == 0:
 212                                 if mode == VOMPILIRC_MODE_OFF:
 213                                         start_xbmc()
 214                                 elif mode == VOMPILIRC_MODE_VOMP:
 215                                         stop_child(force_off=False)
 216                                         start_xbmc()
 217                 else:
 218                         sys.stderr.write('Unknown key: %s\n' % code['config'])
 219
 220                 if mode == VOMPILIRC_MODE_VOMP:
 221                         if (len(vompmessage) > 0) and ((code['repeat'] == 0) or (vompmessage in repeaters)):
 222                                 vomp_client.sendto(vompmessage, (vomp_host, vomp_port))
 223
 224 if __name__ == '__main__':
 225         try:
 226                 vomp_client = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 227         except socket.error, (value,message):
 228                 sys.stderr.write('Failed to open UDP socket: "%s"\n' % message)
 229                 sys.exit(1)
 230
 231         if pylirc.init('vompilirc', os.path.join('/etc/lirc/lircrc')):
 232                 pylirc.blocking(1)
 233
 234                 signal.signal(signal.SIGINT, signal_handler)
 235                 signal.signal(signal.SIGTERM, signal_handler)
 236
 237                 while True:
 238                         process_lirc_event()
 239         else:
 240                 sys.stderr.write('Failed to init pylirc.\n')
 241                 sys.exit(2)