def on_get_data(self, data):
ansi.debug('on_get_data')
# fill the chunk with audio data from the stream source
data += self.getData()
# return true to continue playing
return True
def onSongChanged(self, *args, **kwargs):
ansi.debug('onSongChanged')
if self.pcm:
self.pcm.close()
self.pcm = alsaaudio.PCM(type=alsaaudio.PCM_PLAYBACK) # mode=alsaaudio.PCM_NORMAL)
if self.debug:
ansi.debug('Song changed; channels: {}; samplerate: {}; period size: {}',
self.sampleGen.channels, self.sampleGen.samplerate, self.sampleGen.framesPerChunk)
self.pcm.setchannels(self.sampleGen.channels)
self.pcm.setrate(self.sampleGen.samplerate)
self.pcm.setperiodsize(self.sampleGen.framesPerChunk)
self.pcm.setformat(alsaaudio.PCM_FORMAT_S16_LE)
def sample_rate(self):
ansi.debug('sample_rate')
return self.GetSampleRate()
def channel_count(self):
ansi.debug('channel_count')
return self.GetChannelsCount()
def OnGetData(self):
ansi.debug('OnGetData')
return self.getData()
def initialize(self, *args, **kwargs):
ansi.debug('initialize')
self.Initialize(*args, **kwargs)
def _finishPlay(self):
ansi.debug('_finishPlay')
self.Play()
def _finishPlay(self):
ansi.debug('_finishPlay (sfml2)')
sfml.SoundStream.play(self)
def play(self):
ansi.debug('play')
self.sampleGen.loadNextFile()
mainLoop.currentProcess.queueCall(self._finishPlay)
def onSongChanged(self, *args, **kwargs):
ansi.debug('onSongChanged')
if (self.channel_count, self.sample_rate) != (self.sampleGen.channels, self.sampleGen.samplerate):
self.initialize(self.sampleGen.channels, self.sampleGen.samplerate)
def __init__(self, sampleGen):
ansi.debug('__init__')
sfml.SoundStream.__init__(self)
self.sampleGen = sampleGen
sampleGen.onSongChanged.add(self.onSongChanged)
