mirror of https://github.com/python/cpython
Add a scale widget and command line options to set the output volume.
Bump version number 1.0
This commit is contained in:
Barry Warsaw
parent
c7c9a64833
commit
a4b055ff89
|
|
@ -6,10 +6,10 @@ Version: 0.1
|
|||
|
||||
Introduction
|
||||
|
||||
Audiopy is a program to control the Solaris audio device, allowing
|
||||
you to set both the input and output devices. It can be run
|
||||
either as a standalone command-line script, or as a Tkinter based
|
||||
GUI application.
|
||||
Audiopy is a program to control the Solaris audio device, allowing
|
||||
you to choose both the input and output devices, and to set the
|
||||
output volume. It can be run either as a standalone command-line
|
||||
script, or as a Tkinter based GUI application.
|
||||
|
||||
Note that your version of Python must have been built with the
|
||||
sunaudiodev module enabled. It is not enabled by default however!
|
||||
|
|
@ -26,6 +26,8 @@ Introduction
|
|||
devices: the headphone jack, the speakers, or the line-out jack.
|
||||
You can enable any combination of these three devices.
|
||||
|
||||
You can also set the output gain (volume) level.
|
||||
|
||||
Running as a GUI
|
||||
|
||||
Simply start audiopy with no arguments to start it as a Tkinter
|
||||
|
|
@ -43,11 +45,11 @@ Running as a GUI
|
|||
Alt-q is also an accelerator for selecting Quit from the File
|
||||
menu.
|
||||
|
||||
No unsupported devices will appear in the GUI. When run as a GUI,
|
||||
audiopy monitors the audio device and automatically updates its
|
||||
display if the state of the device is changed by some other
|
||||
means. In pre-Python 1.5.2 this is done by occasionally polling
|
||||
the device, but in Python 1.5.2 no polling is necessary (you don't
|
||||
Unsupported devices will appear dimmed out in the GUI. When run
|
||||
as a GUI, audiopy monitors the audio device and automatically
|
||||
updates its display if the state of the device is changed by some
|
||||
other means. In Python 1.5.2 this is done by occasionally polling
|
||||
the device, but in Python 1.5.2 no polling is necessary (you don't
|
||||
really need to know this, but I thought I'd plug 1.5.2 :-).
|
||||
|
||||
Running as a Command Line Program
|
||||
|
|
@ -85,7 +87,13 @@ Running as a Command Line Program
|
|||
|
||||
% ./audiopy -s=0 -p=1 -c
|
||||
|
||||
Audiopy understands two other command line options:
|
||||
Audiopy understands these other command line options:
|
||||
|
||||
--gain volume
|
||||
-g volume
|
||||
Sets the output volume to the specified gain level. This must
|
||||
be an integer between MIN_GAIN and MAX_GAIN (usually [0..255],
|
||||
but use the -h option to find the exact values).
|
||||
|
||||
--version
|
||||
-v
|
||||
|
|
|
|||
|
|
@ -7,10 +7,10 @@ Email: bwarsaw@python.org
|
|||
Version: %(__version__)s
|
||||
|
||||
When no arguments are given, this pops up a graphical window which lets you
|
||||
choose the audio input and output devices.
|
||||
choose the audio input and output devices, and set the output volume.
|
||||
|
||||
This program can be driven via the command line, and when done so, no window
|
||||
pops up. Options have the general form:
|
||||
pops up. Most options have the general form:
|
||||
|
||||
--device[={0,1}]
|
||||
-d[={0,1}]
|
||||
|
|
@ -31,6 +31,11 @@ The list of devices and their short options are:
|
|||
|
||||
Other options are:
|
||||
|
||||
--gain volume
|
||||
-g volume
|
||||
Sets the output gain to the specified volume, which must be an integer
|
||||
in the range [%(MIN_GAIN)s..%(MAX_GAIN)s]
|
||||
|
||||
--version
|
||||
-v
|
||||
Print the version number and exit.
|
||||
|
|
@ -49,7 +54,7 @@ from SUNAUDIODEV import *
|
|||
# Milliseconds between interrupt checks
|
||||
KEEPALIVE_TIMER = 500
|
||||
|
||||
__version__ = '0.1'
|
||||
__version__ = '1.0'
|
||||
|
||||
|
||||
|
||||
|
|
@ -213,6 +218,21 @@ class MainWindow:
|
|||
root.bind('<Alt-q>', self.__quit)
|
||||
root.bind('<Alt-Q>', self.__quit)
|
||||
#
|
||||
# Volume
|
||||
frame = Frame(root, bd=1, relief=RAISED)
|
||||
frame.grid(row=3, column=0, sticky='NSEW')
|
||||
label = Label(frame, text='Output Volume:')
|
||||
label.grid(row=0, column=0, sticky=W)
|
||||
self.__scalevar = IntVar()
|
||||
self.__scale = Scale(frame,
|
||||
orient=HORIZONTAL,
|
||||
from_=MIN_GAIN,
|
||||
to=MAX_GAIN,
|
||||
length=200,
|
||||
variable=self.__scalevar,
|
||||
command=self.__volume)
|
||||
self.__scale.grid(row=1, column=0, sticky=EW)
|
||||
#
|
||||
# do we need to poll for changes?
|
||||
self.__needtopoll = 1
|
||||
try:
|
||||
|
|
@ -268,6 +288,8 @@ Email: bwarsaw@python.org''' % __version__)
|
|||
self.__spkvar.set(info.o_port & SPEAKER)
|
||||
self.__headvar.set(info.o_port & HEADPHONE)
|
||||
self.__linevar.set(info.o_port & LINE_OUT)
|
||||
# volume
|
||||
self.__scalevar.set(info.o_gain)
|
||||
|
||||
def __pushtodev(self, event=None):
|
||||
info = self.__devctl.getinfo()
|
||||
|
|
@ -275,6 +297,7 @@ Email: bwarsaw@python.org''' % __version__)
|
|||
self.__headvar.get() + \
|
||||
self.__linevar.get()
|
||||
info.i_port = self.__inputvar.get()
|
||||
info.o_gain = self.__scalevar.get()
|
||||
self.__devctl.setinfo(info)
|
||||
|
||||
def __getset(self, var, onvalue):
|
||||
|
|
@ -306,6 +329,9 @@ Email: bwarsaw@python.org''' % __version__)
|
|||
def __lineout(self, event=None):
|
||||
self.__getset(self.__linevar, LINE_OUT)
|
||||
|
||||
def __volume(self, event=None):
|
||||
self.__pushtodev()
|
||||
|
||||
def start(self):
|
||||
self.__keepalive()
|
||||
self.__tkroot.mainloop()
|
||||
|
|
@ -361,7 +387,7 @@ class Helpwin:
|
|||
|
||||
|
||||
|
||||
def usage(msg='', code=1):
|
||||
def usage(code, msg=''):
|
||||
print __doc__ % globals()
|
||||
if msg:
|
||||
print msg
|
||||
|
|
@ -398,10 +424,23 @@ def main():
|
|||
|
||||
info = device.getinfo()
|
||||
# first get the existing values
|
||||
for arg in sys.argv[1:]:
|
||||
i = 0
|
||||
while i < len(sys.argv)-1:
|
||||
i = i + 1
|
||||
arg = sys.argv[i]
|
||||
if arg in ('-h', '--help'):
|
||||
usage(code=0)
|
||||
usage(0)
|
||||
# does not return
|
||||
elif arg in ('-g', '--gain'):
|
||||
gainspec = '<missing>'
|
||||
try:
|
||||
gainspec = sys.argv[i+1]
|
||||
gain = int(gainspec)
|
||||
except (ValueError, IndexError):
|
||||
usage(1, 'Bad gain specification: ' + gainspec)
|
||||
info.o_gain = gain
|
||||
i = i + 1
|
||||
continue
|
||||
elif arg in ('-v', '--version'):
|
||||
print '''\
|
||||
audiopy -- a program to control the Solaris audio device.
|
||||
|
|
@ -424,7 +463,7 @@ Version: %s''' % __version__
|
|||
elif arg[:len(short)+1] == short+'=':
|
||||
val = int(arg[len(short)+1:])
|
||||
except ValueError:
|
||||
usage(msg='Invalid option: ' + arg)
|
||||
usage(1, msg='Invalid option: ' + arg)
|
||||
# does not return
|
||||
if val == 0:
|
||||
if io == 0:
|
||||
|
|
@ -440,7 +479,7 @@ Version: %s''' % __version__
|
|||
break
|
||||
# else keep trying next option
|
||||
else:
|
||||
usage(msg='Invalid option: ' + arg)
|
||||
usage(1, msg='Invalid option: ' + arg)
|
||||
# now set the values
|
||||
device.setinfo(info)
|
||||
device.close()
|
||||
|
|
|
|||
Loading…
Reference in New Issue