/usr/bin/g15ladi is in laditools 1.1.0-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 | #!/usr/bin/python
# LADITools - Linux Audio Desktop Integration Tools
# g15ladi - A jack monitor for the g15 keyboard that uses the dbus interface
# Copyright (C) 2012 Alessio Treglia <quadrispro@ubuntu.com>
# Copyright (C) 2007-2010, Marc-Olivier Barre <marco@marcochapeau.org>
# Copyright (C) 2007-2009, Nedko Arnaudov <nedko@arnaudov.name>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import sys
import os
import time
import signal
import argparse
import laditools
pipe_filename = "/dev/shm/g15log.pipe"
class g15composer (object):
text_justify_left = 0
text_justify_center = 1
text_justify_right = 2
text_size_small = 0
#text_size_medium = 1
text_size_large = 2
width = 160
height = 43
def __init__(self, pipe_filename, large):
if large:
self.size = self.text_size_large
self.max_lines = 5 # 7 for small, 5 for large
self.max_chars = 20
else:
self.size = self.text_size_small
self.max_lines = 7
self.max_chars = 40
self.pipe_filename = pipe_filename
self.pid = os.spawnlp(os.P_NOWAIT, 'g15composer', 'g15composer', self.pipe_filename)
#print "g15composer started"
while not os.access(self.pipe_filename, os.F_OK):
#print "Waiting pipe to appear..."
time.sleep(1)
self.pipe = file(self.pipe_filename, "w")
os.remove(self.pipe_filename)
#print "pipe unlinked"
def __del__(self):
self.pipe.close()
#print "stopping g15composer..."
os.kill(self.pid, signal.SIGTERM)
os.waitpid(self.pid, 0)
#print "g15composer stopped"
def send_message(self, message):
#print message,
self.pipe.write(message)
self.pipe.flush()
def draw_lines(self, lines, x, y, justify):
message = 'TO %u %u %u %u' % (x, y, self.size, justify)
for line in lines:
message += ' "%s "' % line.replace('"', "'").strip("\n")
message += "\n"
self.send_message(message)
def draw_lines(self, lines, x, y, justify):
message = 'TO %u %u %u %u' % (x, y, self.size, justify)
for line in lines:
message += ' "%s "' % line.replace('"', "'").strip("\n")
message += "\n"
self.send_message(message)
def clear(self, ink):
if ink:
message = 'PC 1\n'
else:
message = 'PC 0\n'
self.send_message(message)
def draw_bar(self, x, y, width, height, ink, fill):
if width < 0:
width = self.width - width - x - 1
else:
if width < 5:
width = 5
if height < 3:
height = 3
width -= 1
height -= 3
y += 1
if ink:
ink = 1
else:
ink = 0
self.send_message("DB %u %u %u %u %u %u %u 1\n" % (x, y, x + width, y + height, ink, fill * 1000, 1000))
class jackctl_g15(object):
def __init__(self):
self.jack = None
self.g15 = g15composer(pipe_filename, False)
self.started = False
self.ladish = None
def get_jack_info(self):
if not self.jack:
self.jack = laditools.JackController()
if not self.jack.is_started():
return False, None, None, None, None, None
realtime = self.jack.is_realtime()
load = self.jack.get_load()
xruns = self.jack.get_xruns()
if xruns == 0:
xruns_line = "no xruns"
elif xruns == 1:
xruns_line = "1 xrun"
else:
xruns_line = "%u xruns" % xruns
rate = self.jack.get_sample_rate()
if rate % 1000.0 == 0:
rate_line = "Sample rate: %.0f Khz" % (rate / 1000.0)
else:
rate_line = "Sample rate: %.1f Khz" % (rate / 1000.0)
latency_line = "Latency: %.1f ms" % self.jack.get_latency()
return True, realtime, load, xruns_line, rate_line, latency_line
def update(self):
try:
studio_name = None
if not self.ladish:
try:
self.ladish = laditools.LadishProxy()
except:
pass
try:
studio_name = self.ladish.studio_name()
except:
pass
started, realtime, load, xruns_line, rate_line, latency_line = self.get_jack_info()
if started:
self.started = True
elif self.started:
self.g15.clear(False)
self.started = False
if self.ladish:
if studio_name:
status_line = '"' + studio_name + '"'
if started:
status_line += " started"
if realtime:
status_line += " (RT)"
else:
status_line += " stopped"
else:
if started:
status_line = "ladish is sick, jack started w/o studio"
else:
status_line = "No studio loaded"
else:
status_line = "JACK"
if started:
if realtime:
status_line += " started in realtime mode"
else:
status_line += " started in non-realtime mode"
else:
status_line += " stopped"
except Exception, e:
print repr(e)
status_line = "JACK cannot be connected"
if self.jack:
self.g15.clear(False)
self.jack = None
self.started = False
self.g15.draw_lines([status_line], 0, 0, self.g15.text_justify_left)
if self.started:
self.g15.draw_lines(["DSP load"], 0, 12, self.g15.text_justify_left)
self.g15.draw_bar(35, 12, 95, 5, True, load / 100.0)
self.g15.draw_lines(["%.3f%%" % load], 135, 12, self.g15.text_justify_left)
self.g15.draw_lines([xruns_line], 0, 22, self.g15.text_justify_left)
self.g15.draw_lines([rate_line, latency_line], 0, 31, self.g15.text_justify_left)
def run(self):
while True:
self.update()
time.sleep(1)
del self.g15
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='JACK monitor for g15 keyboards',
epilog='This program is part of the LADITools suite.')
parser.add_argument('--version', action='version', version="%(prog)s " + laditools.get_version_string())
parser.parse_args()
jackctl_g15().run()
sys.exit(0)
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