#! /usr/bin/env python
import sys
import audio
import stdwin
import string
import getopt
from stdwinevents import *
from Buttons import *
from Sliders import *
#from Soundogram import Soundogram
from VUMeter import VUMeter
from WindowParent import WindowParent,MainLoop
from HVSplit import HSplit,VSplit
class TimeOutToggleButton(ToggleButton):
def define(self, parent):
self = ToggleButton.define(self, parent)
self.parent.need_timer(self)
self.timer_hook = 0
return self
def timer(self):
if self.timer_hook:
self.timer_hook(self)
K = 1024
BUFSIZE = 30*8*K
Rates = [0, 32*K, 16*K, 8*K]
Magics = ['', '0032', '0016', '0008']
class Struct: pass
G = Struct()
def main():
#
# Turn off scroll bars
#
stdwin.setdefscrollbars(0, 0)
#
# Set default state
#
G.gain = 60
G.rate = 3
G.nomuting = 0
G.savefile = '@rec'
#
# Set default values
#
G.data = ''
G.playing = 0
G.recording = 0
G.sogram = 0
#
# Parse options
#
optlist, args = getopt.getopt(sys.argv[1:], 'mdg:r:')
#
for optname, optarg in optlist:
if 0: # (So all cases start with elif)
pass
elif optname == '-d':
G.debug = 1
elif optname == '-g':
G.gain = string.atoi(optarg)
if not (0 < G.gain < 256):
raise optarg.error, '-g gain out of range'
elif optname == '-m':
G.nomuting = (not G.nomuting)
elif optname == '-r':
G.rate = string.atoi(optarg)
if not (1 <= G.rate <= 3):
raise optarg.error, '-r rate out of range'
#
if args:
G.savefile = args[0]
#
# Initialize the sound package
#
audio.setoutgain(G.nomuting * G.gain) # Silence the speaker
audio.setrate(G.rate)
#
# Create the WindowParent and VSplit
#
G.window = WindowParent().create('Recorder', (0, 0))
w = G.vsplit = VSplit().create(G.window)
#
# VU-meter
#
G.vubtn = VUMeter().define(w)
#
# Radiobuttons for rates
#
r1btn = RadioButton().definetext(w, '32 K/sec')
r1btn.on_hook = rate_hook
r1btn.rate = 1
#
r2btn = RadioButton().definetext(w, '16 K/sec')
r2btn.on_hook = rate_hook
r2btn.rate = 2
#
r3btn = RadioButton().definetext(w, '8 K/sec')
r3btn.on_hook = rate_hook
r3btn.rate = 3
#
radios = [r1btn, r2btn, r3btn]
r1btn.group = r2btn.group = r3btn.group = radios
for r in radios:
if r.rate == G.rate: r.select(1)
#
# Other controls
#
G.recbtn = TimeOutToggleButton().definetext(w, 'Record')
G.recbtn.on_hook = record_on_hook
G.recbtn.timer_hook = record_timer_hook
G.recbtn.off_hook = record_off_hook
#
G.mutebtn = CheckButton().definetext(w, 'Mute')
G.mutebtn.select(not G.nomuting)
G.mutebtn.hook = mute_hook
#
G.playbtn = TimeOutToggleButton().definetext(w, 'Playback')
G.playbtn.on_hook = play_on_hook
G.playbtn.timer_hook = play_timer_hook
G.playbtn.off_hook = play_off_hook
#
G.gainbtn = ComplexSlider().define(w)
G.gainbtn.settexts(' Volume: ', ' ')
G.gainbtn.setminvalmax(0, G.gain, 255)
G.gainbtn.sethook(gain_hook)
#
G.sizebtn = Label().definetext(w, `len(G.data)` + ' bytes')
#
#G.showbtn = PushButton().definetext(w, 'Sound-o-gram...')
#G.showbtn.hook = show_hook
#
G.savebtn = PushButton().definetext(w, 'Save...')
G.savebtn.hook = save_hook
#
G.quitbtn = PushButton().definetext(w, 'Quit')
G.quitbtn.hook = quit_hook
G.playbtn.enable(0)
G.savebtn.enable(0)
#G.showbtn.enable(0)
start_vu()
G.window.realize()
#
# Event loop
#
MainLoop()
# XXX Disabled...
def show_hook(self):
savetext = self.text
self.settext('Be patient...')
close_sogram()
stdwin.setdefwinsize(400, 300)
win = stdwin.open('Sound-o-gram')
G.sogram = Soundogram().define(win, G.data)
win.buttons = [G.sogram]
self.settext(savetext)
def close_sogram():
if G.sogram:
# Break circular references
G.sogram.win.buttons[:] = []
del G.sogram.win
G.sogram = 0
def mute_hook(self):
G.nomuting = (not self.selected)
audio.setoutgain(G.nomuting * G.gain)
def rate_hook(self):
G.rate = self.rate
audio.setrate(G.rate)
def record_on_hook(self):
stop_vu()
close_sogram()
audio.setrate(G.rate)
audio.setoutgain(G.nomuting * G.gain)
audio.start_recording(BUFSIZE)
G.recording = 1
G.playbtn.enable(0)
G.window.settimer(10 * BUFSIZE / Rates[G.rate])
def record_timer_hook(self):
if G.recording:
if audio.poll_recording():
self.hilite(0)
record_off_hook(self)
else:
self.parent.settimer(5)
def record_off_hook(self):
if not G.recording:
return
G.data = audio.stop_recording()
G.recording = 0
G.sizebtn.settext(`len(G.data)` + ' bytes')
audio.setoutgain(G.nomuting * G.gain)
G.playbtn.enable((len(G.data) > 0))
G.savebtn.enable((len(G.data) > 0))
#G.showbtn.enable((len(G.data) > 0))
G.window.settimer(0)
start_vu()
def play_on_hook(self):
stop_vu()
audio.setrate(G.rate)
audio.setoutgain(G.gain)
audio.start_playing(G.data)
G.playing = 1
G.recbtn.enable(0)
G.window.settimer(max(10 * len(G.data) / Rates[G.rate], 1))
def play_timer_hook(self):
if G.playing:
if audio.poll_playing():
self.hilite(0)
play_off_hook(self)
else:
self.parent.settimer(5)
def play_off_hook(self):
if not G.playing:
return
x = audio.stop_playing()
G.playing = 0
audio.setoutgain(G.nomuting * G.gain)
G.recbtn.enable(1)
G.window.settimer(0)
start_vu()
def gain_hook(self):
G.gain = self.val
if G.playing or G.nomuting: audio.setoutgain(G.gain)
def save_hook(self):
if not G.data:
stdwin.fleep()
else:
prompt = 'Store sampled data on file: '
try:
G.savefile = stdwin.askfile(prompt, G.savefile, 1)
except KeyboardInterrupt:
return
try:
fp = open(G.savefile, 'w')
fp.write(Magics[G.rate] + G.data)
except:
stdwin.message('Cannot create ' + file)
def stop_vu():
G.vubtn.stop()
def start_vu():
G.vubtn.start()
def quit_hook(self):
G.window.delayed_destroy()
try:
main()
finally:
audio.setoutgain(0)
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