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