Putting all the code from the current master branch of TWBlue

src/sound_lib/effects/tempo.py

@@ -0,0 +1,65 @@
+import ctypes
+from sound_lib.external import pybass, pybass_fx
+from sound_lib.stream import BaseStream
+from sound_lib.channel import Channel
+from sound_lib.main import bass_call, bass_call_0
+
+class Tempo(BaseStream):
+ 
+ def __init__(self, channel, flags=0, loop=False, software=False, three_d=False, sample_fx=False, autofree=False, decode=False, free_source=False):
+  flags = flags | self.flags_for(loop=False, software=False, three_d=False, sample_fx=False, autofree=False, decode=False, free_source=False)
+  self.channel = channel
+  if isinstance(channel, Channel):
+   channel = channel.handle
+  handle = bass_call(pybass_fx.BASS_FX_TempoCreate, channel, flags)
+  super(Tempo, self).__init__(handle)
+  self.add_attributes_to_mapping(
+   tempo=pybass_fx.BASS_ATTRIB_TEMPO,
+   tempo_pitch=pybass_fx.BASS_ATTRIB_TEMPO_PITCH,
+   tempo_freq=pybass_fx.BASS_ATTRIB_TEMPO_FREQ,
+  )
+ 
+
+ @property
+ def tempo(self):
+  """The tempo of a channel."""
+  return self.get_attribute(pybass_fx.BASS_ATTRIB_TEMPO)
+ 
+ @tempo.setter
+ def tempo(self, val):
+  self.set_attribute('tempo', val)
+
+ @property
+ def tempo_pitch(self):
+  return self.get_attribute('tempo_pitch')
+
+ @tempo_pitch.setter
+ def tempo_pitch(self, val):
+  self.set_attribute('tempo_pitch', val)
+
+ @property
+ def tempo_freq(self):
+  return self.get_attribute('tempo_freq')
+
+ @tempo_freq.setter
+ def tempo_freq(self, val):
+  self.set_attribute('tempo_freq', val)
+
+ def setup_flag_mapping(self):
+  super(Tempo, self).setup_flag_mapping()
+  self.flag_mapping.update({
+   'free_source': pybass_fx.BASS_FX_FREESOURCE,
+  })
+
+ def get_source(self):
+  source = pybass_fx.BASS_FX_TempoGetSource(self.handle)
+  if source == self.channel.handle:
+   source = self.channel
+  return source
+
+ source = property(fget=get_source)
+
+ def get_rate_ratio(self):
+  return bass_call(pybass_fx.BASS_FX_TempoGetRateRatio, self.handle)
+
+ rate_ratio = property(fget=get_rate_ratio)