diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/python-2.6.1/Mac/Demo/sound/morse.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Mac/Demo/sound/morse.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,180 @@
+import sys, math
+
+DOT = 30
+DAH = 80
+OCTAVE = 2                              # 1 == 441 Hz, 2 == 882 Hz, ...
+SAMPWIDTH = 2
+FRAMERATE = 44100
+BASEFREQ = 441
+QSIZE = 20000
+
+morsetab = {
+        'A': '.-',              'a': '.-',
+        'B': '-...',            'b': '-...',
+        'C': '-.-.',            'c': '-.-.',
+        'D': '-..',             'd': '-..',
+        'E': '.',               'e': '.',
+        'F': '..-.',            'f': '..-.',
+        'G': '--.',             'g': '--.',
+        'H': '....',            'h': '....',
+        'I': '..',              'i': '..',
+        'J': '.---',            'j': '.---',
+        'K': '-.-',             'k': '-.-',
+        'L': '.-..',            'l': '.-..',
+        'M': '--',              'm': '--',
+        'N': '-.',              'n': '-.',
+        'O': '---',             'o': '---',
+        'P': '.--.',            'p': '.--.',
+        'Q': '--.-',            'q': '--.-',
+        'R': '.-.',             'r': '.-.',
+        'S': '...',             's': '...',
+        'T': '-',               't': '-',
+        'U': '..-',             'u': '..-',
+        'V': '...-',            'v': '...-',
+        'W': '.--',             'w': '.--',
+        'X': '-..-',            'x': '-..-',
+        'Y': '-.--',            'y': '-.--',
+        'Z': '--..',            'z': '--..',
+        '0': '-----',
+        '1': '.----',
+        '2': '..---',
+        '3': '...--',
+        '4': '....-',
+        '5': '.....',
+        '6': '-....',
+        '7': '--...',
+        '8': '---..',
+        '9': '----.',
+        ',': '--..--',
+        '.': '.-.-.-',
+        '?': '..--..',
+        ';': '-.-.-.',
+        ':': '---...',
+        "'": '.----.',
+        '-': '-....-',
+        '/': '-..-.',
+        '(': '-.--.-',
+        ')': '-.--.-',
+        '_': '..--.-',
+        ' ': ' '
+}
+
+# If we play at 44.1 kHz (which we do), then if we produce one sine
+# wave in 100 samples, we get a tone of 441 Hz.  If we produce two
+# sine waves in these 100 samples, we get a tone of 882 Hz.  882 Hz
+# appears to be a nice one for playing morse code.
+def mkwave(octave):
+    global sinewave, nowave
+    sinewave = ''
+    n = int(FRAMERATE / BASEFREQ)
+    for i in range(n):
+        val = int(math.sin(2 * math.pi * i * octave / n) * 0x7fff)
+        sample = chr((val >> 8) & 255) + chr(val & 255)
+        sinewave = sinewave + sample[:SAMPWIDTH]
+    nowave = '\0' * (n*SAMPWIDTH)
+
+mkwave(OCTAVE)
+
+class BufferedAudioDev:
+    def __init__(self, *args):
+        import audiodev
+        self._base = apply(audiodev.AudioDev, args)
+        self._buffer = []
+        self._filled = 0
+        self._addmethods(self._base, self._base.__class__)
+    def _addmethods(self, inst, cls):
+        for name in cls.__dict__.keys():
+            if not hasattr(self, name):
+                try:
+                    setattr(self, name, getattr(inst, name))
+                except:
+                    pass
+        for basecls in cls.__bases__:
+            self._addmethods(self, inst, basecls)
+    def writeframesraw(self, frames):
+        self._buffer.append(frames)
+        self._filled = self._filled + len(frames)
+        if self._filled >= QSIZE:
+            self.flush()
+    def wait(self):
+        self.flush()
+        self._base.wait()
+    def flush(self):
+        print 'flush: %d blocks, %d bytes' % (len(self._buffer), self._filled)
+        if self._buffer:
+            import string
+            self._base.writeframes(string.joinfields(self._buffer, ''))
+            self._buffer = []
+            self._filled = 0
+
+def main(args = sys.argv[1:]):
+    import getopt, string
+    try:
+        opts, args = getopt.getopt(args, '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(FRAMERATE)
+            dev.setsampwidth(SAMPWIDTH)
+            dev.setnchannels(1)
+        if o == '-p':
+            mkwave(string.atoi(a))
+    if not dev:
+        dev = BufferedAudioDev()
+        dev.setoutrate(FRAMERATE)
+        dev.setsampwidth(SAMPWIDTH)
+        dev.setnchannels(1)
+        dev.close = dev.stop
+    if args:
+        line = string.join(args)
+    else:
+        line = sys.stdin.readline()
+    while line:
+        print line
+        mline = morse(line)
+        print mline
+        play(mline, dev)
+        if hasattr(dev, 'wait'):
+            dev.wait()
+        if not args:
+            line = sys.stdin.readline()
+        else:
+            line = ''
+    dev.close()
+
+# Convert a string to morse code with \001 between the characters in
+# the string.
+def morse(line):
+    res = ''
+    for c in line:
+        try:
+            res = res + morsetab[c] + '\001'
+        except KeyError:
+            pass
+    return res
+
+# Play a line of morse code.
+def play(line, dev):
+    for c in line:
+        if c == '.':
+            sine(dev, DOT)
+        elif c == '-':
+            sine(dev, DAH)
+        else:
+            pause(dev, DAH)
+        pause(dev, DOT)
+
+def sine(dev, length):
+    dev.writeframesraw(sinewave*length)
+
+def pause(dev, length):
+    dev.writeframesraw(nowave*length)
+
+if __name__ == '__main__' or sys.argv[0] == __name__:
+    main()