def __init__(self, url=None):
self.log = Log()
self.url = None
self.ready = False
self.playing = False
if url:
self.open(url)
class Preview():
CHUNK = 1024
def __init__(self, url=None):
self.log = Log()
self.url = None
self.ready = False
self.playing = False
if url:
self.open(url)
def open(self, url):
self.ready = False
wf = wave.open(url, 'rb')
self.wf = wf
p = self.p = pyaudio.PyAudio()
# define callback (2)
def callback(in_data, frame_count, time_info, status):
data = wf.readframes(frame_count)
# print 'callback', in_data, frame_count, time_info, status
return data, pyaudio.paContinue
self.stream = p.open(format=p.get_format_from_width(wf.getsampwidth()),
channels=wf.getnchannels(),
rate=wf.getframerate(),
output=True,
start=False,
stream_callback=callback)
# start the stream (4)
# stream.start_stream()
# wait for stream to finish (5)
# while stream.is_active():
# time.sleep(1)
self.log.debug(self, '>>ready', self.stream.get_time())
self.ready = True
pass
def play(self):
print self, '>>play...'
if self.ready:
self.stream.start_stream()
self.playing = True
print self, '>>play...'
pass
# self.p.
pass
def stop(self):
if self.playing:
self.stream.stop_stream()
self.stream.close()
self.p.terminate()
self.wf.close()
self.playing = False
print self, '>>stop...'
pass
def pause(self):
if self.playing:
self.stream.stop_stream()
self.playing = False