def run ():
freetype.init ()
video.init ()
sdlmixer.init ()
sdlmixer.open_audio (sdlmixerconst.DEFAULT_FREQUENCY,
sdlmixerconst.DEFAULT_FORMAT,
sdlmixerconst.DEFAULT_CHANNELS,
1024)
print ("Detected decoders: %s" % sdlmixer.get_decoders ())
sound = sdlmixer.Chunk (pygame2.examples.RESOURCES.get ("house_lo.wav"))
channel_sound = sdlmixer.Channel (1)
font = freetype.Font (pygame2.examples.RESOURCES.get ("sans.ttf"))
surfaces = get_help (font)
screen = video.set_mode (640, 480)
wm.set_caption ("SDL_mixer sound example")
screenrect = pygame2.Rect (640, 480)
screen.fill (black)
yoff = 100
for (sf, w, h) in surfaces:
screen.blit (sf, (100, yoff))
yoff += h + 10
screen.flip ()
okay = True
while okay:
for ev in event.get ():
if ev.type == sdlconst.QUIT:
okay = False
if ev.type == sdlconst.KEYDOWN:
# play, pause, resume
if ev.key == sdlconst.K_SPACE:
if channel_sound.paused:
print ("Resuming")
channel_sound.resume ()
elif channel_sound.playing:
print ("Pausing")
channel_sound.pause ()
else:
print ("Starting")
channel_sound.play (sound, -1)
if ev.key == sdlconst.K_ESCAPE:
# exit the application
okay = False
elif ev.key in (sdlconst.K_PLUS, sdlconst.K_KP_PLUS):
# increase volume
channel_sound.volume = min (channel_sound.volume + 1,
sdlmixerconst.MAX_VOLUME)
print ("Volume is now: %d" % channel_sound.volume)
elif ev.key in (sdlconst.K_MINUS, sdlconst.K_KP_MINUS):
# decrease volume
channel_sound.volume = max (channel_sound.volume - 1, 0)
print ("Volume is now: %d" % channel_sound.volume)
screen.flip ()
freetype.quit ()
video.quit ()
sdlmixer.close_audio ()
sdlmixer.quit ()
def setUp (self):
sdlmixer.init ()
sdlmixer.open_audio (mixconst.DEFAULT_FREQUENCY,
mixconst.DEFAULT_FORMAT,
mixconst.DEFAULT_CHANNELS, 1024)