def disable_mixer():
global mixer_enabled
if not mix_ok or not mixer_enabled:
return
if old_wave is not None:
mix.set_wave(old_wave)
if old_midi is not None:
mix.set_midi(old_midi)
mixer_enabled = False
def disable_mixer():
global mixer_enabled
if not mix_ok or not mixer_enabled:
return
if old_wave is not None:
mix.set_wave(old_wave)
if old_midi is not None:
mix.set_midi(old_midi)
mixer_enabled = False
def periodic():
"""
The periodic sound callback. This is called at around 20hz, and is
responsible for adjusting the volume of the playing music if
necessary, and also for calling the periodic functions of midi and
the various channels, which then may play music.
"""
global pcm_volume
if not pcm_ok:
return False
try:
for c in all_channels:
c.periodic()
pss.periodic()
# Perform a synchro-start if necessary.
need_ss = False
for c in all_channels:
if c.synchro_start and c.wait_stop:
need_ss = False
break
if c.synchro_start and not c.wait_stop:
need_ss = True
if need_ss:
pss.unpause_all()
for c in all_channels:
c.synchro_start = False
# Now, consider adjusting the volume of the channel.
max_volume = -1.0
volumes = renpy.game.preferences.volumes
if mix_ok:
anything_playing = False
for c in channels:
vol = c.chan_volume * volumes[c.mixer]
max_volume = max(max_volume, vol)
if vol != 0:
anything_playing = True
if max_volume == -1.0:
return
if not anything_playing:
disable_mixer()
pcm_volume = -1.0
else:
enable_mixer()
if max_volume != pcm_volume:
mix.set_wave(max_volume)
pcm_volume = max_volume
for c in all_channels:
vol = c.chan_volume * volumes[c.mixer]
vol /= max_volume
if c.actual_volume != vol:
pss.set_volume(c.number, vol)
c.actual_volume = vol
else:
for c in all_channels:
vol = c.chan_volume * volumes[c.mixer]
if vol != c.actual_volume:
pss.set_volume(c.number, vol)
c.actual_volume = vol
except:
if renpy.config.debug_sound:
raise
def periodic():
"""
The periodic sound callback. This is called at around 20hz, and is
responsible for adjusting the volume of the playing music if
necessary, and also for calling the periodic functions of midi and
the various channels, which then may play music.
"""
global pcm_volume
if not pcm_ok:
return False
try:
for c in all_channels:
c.periodic()
pss.periodic()
# Perform a synchro-start if necessary.
need_ss = False
for c in all_channels:
if c.synchro_start and c.wait_stop:
need_ss = False
break
if c.synchro_start and not c.wait_stop:
need_ss = True
if need_ss:
pss.unpause_all()
for c in all_channels:
c.synchro_start = False
# Now, consider adjusting the volume of the channel.
max_volume = -1.0
volumes = renpy.game.preferences.volumes
if mix_ok:
anything_playing = False
for c in channels:
vol = c.chan_volume * volumes[c.mixer]
max_volume = max(max_volume, vol)
if vol != 0:
anything_playing = True
if max_volume == -1.0:
return
if not anything_playing:
disable_mixer()
pcm_volume = -1.0
else:
enable_mixer()
if max_volume != pcm_volume:
mix.set_wave(max_volume)
pcm_volume = max_volume
for c in all_channels:
vol = c.chan_volume * volumes[c.mixer]
vol /= max_volume
if c.actual_volume != vol:
pss.set_volume(c.number, vol)
c.actual_volume = vol
else:
for c in all_channels:
vol = c.chan_volume * volumes[c.mixer]
if vol != c.actual_volume:
pss.set_volume(c.number, vol)
c.actual_volume = vol
except:
if renpy.config.debug_sound:
raise
