def set_volume(self, volume):
"""
Set volume level of the installed mixer.
:param volume: the volume in the range [0..100]
:type volume: int
:rtype: :class:`True` if successful, else :class:`False`
"""
if self._software_mixing:
self._playbin.set_property('volume', volume / 100.0)
return True
if self._mixer is None:
return False
old_scale = (0, 100)
new_scale = (self._mixer_track.min_volume,
self._mixer_track.max_volume)
volume = utils.rescale(volume, old=old_scale, new=new_scale)
volumes = (volume, ) * self._mixer_track.num_channels
self._mixer.set_volume(self._mixer_track, volumes)
return self._mixer.get_volume(self._mixer_track) == volumes
def get_volume(self):
"""
Get volume level of the installed mixer.
Example values:
0:
Muted.
100:
Max volume for given system.
:class:`None`:
No mixer present, so the volume is unknown.
:rtype: int in range [0..100] or :class:`None`
"""
if self._software_mixing:
return round(self._playbin.get_property('volume') * 100)
if self._mixer is None:
return None
volumes = self._mixer.get_volume(self._mixer_track)
avg_volume = float(sum(volumes)) / len(volumes)
new_scale = (0, 100)
old_scale = (self._mixer_track.min_volume, self._mixer_track.max_volume)
return utils.rescale(avg_volume, old=old_scale, new=new_scale)
def get_volume(self):
"""
Get volume level of the installed mixer.
Example values:
0:
Muted.
100:
Max volume for given system.
:class:`None`:
No mixer present, so the volume is unknown.
:rtype: int in range [0..100] or :class:`None`
"""
if self._software_mixing:
return round(self._playbin.get_property('volume') * 100)
if self._mixer is None:
return None
volumes = self._mixer.get_volume(self._mixer_track)
avg_volume = float(sum(volumes)) / len(volumes)
new_scale = (0, 100)
old_scale = (self._mixer_track.min_volume,
self._mixer_track.max_volume)
return utils.rescale(avg_volume, old=old_scale, new=new_scale)
def set_volume(self, volume):
"""
Set volume level of the installed mixer.
:param volume: the volume in the range [0..100]
:type volume: int
:rtype: :class:`True` if successful, else :class:`False`
"""
if self._software_mixing:
self._playbin.set_property('volume', volume / 100.0)
return True
if self._mixer is None:
return False
old_scale = (0, 100)
new_scale = (self._mixer_track.min_volume, self._mixer_track.max_volume)
volume = utils.rescale(volume, old=old_scale, new=new_scale)
volumes = (volume,) * self._mixer_track.num_channels
self._mixer.set_volume(self._mixer_track, volumes)
return self._mixer.get_volume(self._mixer_track) == volumes
