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import pygame
AUDIO_DONE = pygame.USEREVENT
class Audio:
def __init__(self, audio):
rate = audio.sample_rate
pygame.mixer.init(rate, -16, 0)
self.clips = [make_sound(rate, clip.samples) for clip in audio.clips]
[self.queue, self.playing] = [[], 0]
def play(self, clip_i):
self.queue.append(clip_i)
if not self.playing:
self.next()
def next(self):
self.playing = len(self.queue)
if len(self.queue):
self.clips[self.queue.pop(0)].play().set_endevent(AUDIO_DONE)
def stop(self):
self.queue = []
pygame.mixer.stop()
def make_sound(rate, data):
[comp_channels, sample_size] = ["\x01\x00\x01\x00", "\x02\x00\x10\x00"]
fmt = comp_channels + put_int(rate) + put_int(rate*2) + sample_size
file = chunk("RIFF", "WAVE" + chunk("fmt ", fmt) + chunk("data", data))
return pygame.mixer.Sound(Buffer(file))
def chunk(type, contents):
return type + put_int(len(contents)) + contents
def put_int(n):
[a, b, c, d] = [n/16777216, n/65536, n/256, n]
return chr(d % 256) + chr(c % 256) + chr(b % 256) + chr(a % 256)
class Buffer:
def __init__(self, data):
[self.data, self.pos] = [data, 0]
def read(self, length):
self.pos = self.pos + length
return self.data[self.pos - length:self.pos]
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zesty
ca.