def run(self):
from NVDAHelper import generateBeep
hz,length,left,right = self.hz, self.length, self.left, self.right
bufSize=generateBeep(None,hz,length,left,right)
buf=create_string_buffer(bufSize)
generateBeep(buf,hz,length,left,right)
ppSynchronousPlayer.feed(buf.raw)
ppSynchronousPlayer.idle()
def generateBeepBuf(self):
hz = 400
length = 1000
left = right = 0
bufSize = generateBeep(None, hz, length, left, right)
buf = create_string_buffer(bufSize)
generateBeep(buf, hz, length, left, right)
return buf
def beep(hz,length,left=50,right=50):
"""Plays a tone at the given hz, length, and stereo balance.
@param hz: pitch in hz of the tone
@type hz: float
@param length: length of the tone in ms
@type length: integer
@param left: volume of the left channel (0 to 100)
@type left: integer
@param right: volume of the right channel (0 to 100)
@type right: integer
"""
log.io("Beep at pitch %s, for %s ms, left volume %s, right volume %s"%(hz,length,left,right))
if not player:
return
from NVDAHelper import generateBeep
bufSize=generateBeep(None,hz,length,left,right)
buf=create_string_buffer(bufSize)
generateBeep(buf,hz,length,left,right)
player.stop()
player.feed(buf.raw)
