def __init__(self, viewer, reload=None):
viewer.send_flowing_data("(Listen to the audio!)\n")
import audiodev
self.device = p = audiodev.AudioDev()
p.setoutrate(8000)
p.setsampwidth(0) # Special: U-LAW
p.setnchannels(1)
def main():
import getopt, string
try:
opts, args = getopt.getopt(sys.argv[1:], 'o:p:')
except getopt.error:
sys.stderr.write('Usage ' + sys.argv[0] +
' [ -o outfile ] [ args ] ...\n')
sys.exit(1)
dev = None
for o, a in opts:
if o == '-o':
import aifc
dev = aifc.open(a, 'w')
dev.setframerate(44100)
dev.setsampwidth(2)
dev.setnchannels(1)
if o == '-p':
mkwave(string.atoi(a))
if not dev:
import audiodev
dev = audiodev.AudioDev()
dev.setoutrate(44100)
dev.setsampwidth(2)
dev.setnchannels(1)
dev.close = dev.stop
dev.writeframesraw = dev.writeframes
if args:
line = string.join(args)
else:
line = sys.stdin.readline()
while line:
mline = morse(line)
play(mline, dev)
if hasattr(dev, 'wait'):
dev.wait()
if not args:
line = sys.stdin.readline()
else:
line = ''
dev.close()
def main():
import getopt
try:
opts, args = getopt.getopt(sys.argv[1:], 'o:p:')
except getopt.error:
sys.stderr.write('Usage ' + sys.argv[0] +
' [ -o outfile ] [ -p octave ] [ words ] ...\n')
sys.exit(1)
dev = None
wave = defaultwave
for o, a in opts:
if o == '-o':
import aifc
dev = aifc.open(a, 'w')
dev.setframerate(44100)
dev.setsampwidth(2)
dev.setnchannels(1)
if o == '-p':
wave = mkwave(int(a))
if not dev:
import audiodev
dev = audiodev.AudioDev()
dev.setoutrate(44100)
dev.setsampwidth(2)
dev.setnchannels(1)
dev.close = dev.stop
dev.writeframesraw = dev.writeframes
if args:
source = [' '.join(args)]
else:
source = iter(sys.stdin.readline, '')
for line in source:
mline = morse(line)
play(mline, dev, wave)
if hasattr(dev, 'wait'):
dev.wait()
dev.close()
#! /usr/bin/env python
def main():
import getopt
global verbose
try:
opts, args = getopt.getopt(sys.argv[1:], 'm:t:o:f:s:w:a:l:v')
except getopt.error:
sys.stderr.write(
'Usage ' + sys.argv[0] +
' [-m mode] [-t textfile] [-o wavefile] [-f morse_freq_hz] [-s sample_rate] [-w words_per_minute] [-a amplitude (0-32767)] [-l letter spacing % (100+)] [-v verbose] [ words ] ...\n'
)
sys.exit(1)
mode = DEF_MODE_LETTERS
text_file = ""
dev = None
morse_freq_hz = DEF_MORSE_FREQ
sample_rate = DEF_SAMPLE_RATE
amplitude = DEF_AMPLITUDE
words_per_min = DEF_WORDS_PER_MIN
letter_spacing = DEF_LETTER_SPACING
verbose = False
# Check cmd line options
for o, a in opts:
if o == '-m':
mode = a
if o == '-t':
text_file = a
if o == '-o':
# Wav file little endian
import wave as filewave
dev = filewave.open(a, 'w')
if o == '-f':
morse_freq_hz = float(a)
if o == '-s':
sample_rate = int(a)
if o == '-w':
words_per_min = int(a)
if o == '-a':
amplitude = int(a)
if o == '-l':
letter_spacing = int(a)
if o == '-v':
verbose = True
if verbose:
print("Mode =", mode)
print("File =", dev)
print("morse_freq_hz =", morse_freq_hz)
print("sample_rate =", sample_rate)
print("amplitude =", amplitude)
print("words_per_min =", words_per_min)
print("letter_spacing =", letter_spacing)
txt = ""
if mode != "":
if mode == DEF_MODE_LETTERS:
for x in range(30):
txt += "".join(
[random.choice(string.letters).upper()
for i in xrange(5)]) + " "
elif mode == DEF_MODE_DIGITS:
for x in range(30):
txt += "".join(
[random.choice(string.digits) for i in xrange(5)]) + " "
elif mode == DEF_MODE_MIXED:
for x in range(30):
txt += "".join(
[random.choice(string.letters).upper()
for i in xrange(5)]) + " "
txt += "".join(
[random.choice(string.digits) for i in xrange(5)]) + " "
else:
print("Invalid mode: " + mode)
exit(1)
if text_file != "":
text_file = open(text_file, "w")
text_file.write(txt)
text_file.close()
# If no device specified, try open audio device (on Linux, won't work on Mac/Win?)
if not dev:
import audiodev
dev = audiodev.AudioDev()
dev.setoutrate(sample_rate)
dev.setsampwidth(2)
dev.setnchannels(1)
dev.close = dev.stop
dev.writeframesraw = dev.writeframes
# Get the words to be converted either from command line or stdin
if args:
source = [' '.join(args)]
else:
source = txt
# source = iter(sys.stdin.readline, '')
# Set file/dev sample rate & parameters
dev.setparams((1, 2, sample_rate, 0, 'NONE', 'not compressed'))
# Calculate speed of morse based on WPM (Dot Time = 1200 / WPM)
dot_msecs = 1200 / words_per_min # Time in msecs a dot should take (25 wpm = 48 msecs)
dot_samples = int(float(dot_msecs) / 1000 * sample_rate)
dah_samples = 3 * dot_samples
if verbose:
print("dot_msecs =", dot_msecs)
print("dot_samples =", dot_samples)
print("dah_samples =", dah_samples)
# CD - add space in front (time for squelch to open?) of 0.5s
pause(dev, sample_rate / 2)
# Play out morse
for line in source:
mline, vmline = morse(line)
if verbose:
print(vmline)
play(mline, dev, morse_freq_hz, amplitude, sample_rate, dot_samples,
dah_samples, letter_spacing)
if hasattr(dev, 'wait'):
dev.wait()
dev.close()
def main():
import getopt
global verbose
try:
opts, args = getopt.getopt(sys.argv[1:], 'o:f:s:w:a:l:v')
except getopt.error:
sys.stderr.write(
'Usage ' + sys.argv[0] +
' [-o outfile] [-f morse_freq_hz] [-s sample_rate] [-w words_per_minute] [-a amplitude (0-32767)] [-l letter spacing % (100+)] [-v verbose] [ words ] ...\n'
)
sys.exit(1)
dev = None
morse_freq_hz = DEF_MORSE_FREQ
sample_rate = DEF_SAMPLE_RATE
amplitude = DEF_AMPLITUDE
words_per_min = DEF_WORDS_PER_MIN
letter_spacing = DEF_LETTER_SPACING
verbose = False
# Check cmd line options
for o, a in opts:
if o == '-o':
# Wav file little endian
import wave as filewave
dev = filewave.open(a, 'w')
if o == '-f':
morse_freq_hz = float(a)
if o == '-s':
sample_rate = int(a)
if o == '-w':
words_per_min = int(a)
if o == '-a':
amplitude = int(a)
if o == '-l':
letter_spacing = int(a)
if o == '-v':
verbose = True
if verbose:
print "File =", dev
print "morse_freq_hz =", morse_freq_hz
print "sample_rate =", sample_rate
print "amplitude =", amplitude
print "words_per_min =", words_per_min
print "letter_spacing =", letter_spacing
# If no device specified, try open audio device (on Linux, won't work on Mac/Win?)
if not dev:
import audiodev
dev = audiodev.AudioDev()
dev.setoutrate(sample_rate)
dev.setsampwidth(2)
dev.setnchannels(1)
dev.close = dev.stop
dev.writeframesraw = dev.writeframes
# Get the words to be converted either from command line or stdin
if args:
source = [' '.join(args)]
else:
source = iter(sys.stdin.readline, '')
# Set file/dev sample rate & parameters
dev.setparams((1, 2, sample_rate, 0, 'NONE', 'not compressed'))
# Calculate speed of morse based on WPM (Dot Time = 1200 / WPM)
dot_msecs = 1200 / words_per_min # Time in msecs a dot should take (25 wpm = 48 msecs)
dot_samples = int(float(dot_msecs) / 1000 * sample_rate)
dah_samples = 3 * dot_samples
if verbose:
print "dot_msecs =", dot_msecs
print "dot_samples =", dot_samples
print "dah_samples =", dah_samples
# CD - add space in front (time for squelch to open?) of 0.5s
pause(dev, sample_rate / 2)
# Play out morse
for line in source:
mline, vmline = morse(line)
if verbose:
print vmline
play(mline, dev, morse_freq_hz, amplitude, sample_rate, dot_samples,
dah_samples, letter_spacing)
if hasattr(dev, 'wait'):
dev.wait()
dev.close()
import audiodev
import aifc
sound = aifc.open("samples/sample.aiff", "r")
player = audiodev.AudioDev()
player.setoutrate(sound.getframerate())
player.setsampwidth(sound.getsampwidth())
player.setnchannels(sound.getnchannels())
bytes_per_frame = sound.getsampwidth() * sound.getnchannels()
bytes_per_second = sound.getframerate() * bytes_per_frame
while 1:
data = sound.readframes(bytes_per_second)
if not data:
break
player.writeframes(data)
player.wait()
