from .music_file import *
from .mixer import Mixer
from . import Config, gain, error_print
+from .music_effect import GainEffect
class Mapping(RelativeLayout):
expected_keys = NumericProperty(0)
def master_gain(self):
return gain(self.master_volume)
- def set_master_volume(self, value, delta=False):
+ def set_master_volume(self, value, delta=False, fade=0):
[db_gain, self.master_volume] = gain(
value + int(delta) * self.master_volume,
self.master_volume)
for music in self.open_files.values():
- music.set_gain(db_gain)
+ if fade > 0:
+ music.gain_effects.append(GainEffect(
+ "fade",
+ music.current_audio_segment,
+ music.current_loop,
+ music.sound_position,
+ music.sound_position + fade,
+ gain=db_gain))
+ else:
+ music.set_gain(db_gain)
def _keyboard_closed(self):
self._keyboard.unbind(on_key_down=self._on_keyboard_down)