def run(): if len (sys.argv) < 2: print ("Usage: %s wavefile" % os.path.basename(sys.argv[0])) print (" Using an example wav file...") wavefp = wave.open(RESOURCES.get("hey.wav")) else: wavefp = wave.open(sys.argv[1], "rb") channels = wavefp.getnchannels() bitrate = wavefp.getsampwidth() * 8 samplerate = wavefp.getframerate() wavbuf = wavefp.readframes(wavefp.getnframes()) formatmap = { (1, 8) : al.AL_FORMAT_MONO8, (2, 8) : al.AL_FORMAT_STEREO8, (1, 16): al.AL_FORMAT_MONO16, (2, 16) : al.AL_FORMAT_STEREO16, } alformat = formatmap[(channels, bitrate)] device = alc.open_device() context = alc.create_context(device) alc.make_context_current(context) sources = al.gen_sources(1) al.source_f(sources[0], al.AL_PITCH, 1) al.source_f(sources[0], al.AL_GAIN, 1) al.source_3f(sources[0], al.AL_POSITION, 0, 0, 0) al.source_3f(sources[0], al.AL_VELOCITY, 0, 0, 0) buffers = al.gen_buffers(1) al.buffer_data(buffers[0], alformat, wavbuf, samplerate) al.source_queue_buffers(sources[0], buffers) al.source_play(sources[0]) state = al.get_source_i(sources[0], al.AL_SOURCE_STATE) while state == al.AL_PLAYING: print("playing the file...") time.sleep(1) state = al.get_source_i(sources[0], al.AL_SOURCE_STATE) print("done") al.delete_sources(sources) al.delete_buffers(buffers) alc.destroy_context(context) alc.close_device(device)
def _create_source(self, source): """Creates a new OpenAL source from the the passed SoundSource.""" ssid = None for kssid, ksource in self._sources.items(): if ksource is None: # Got a free source ssid = kssid break if ssid is not None: source._ssid = ssid self._sources[ssid] = source else: # No free source ssid = al.gen_sources(1)[0] self._sources[ssid] = source source._ssid = ssid al.source_f(ssid, al.AL_GAIN, source.gain) al.source_f(ssid, al.AL_PITCH, source.pitch) al.source_fv(ssid, al.AL_POSITION, source.position) al.source_fv(ssid, al.AL_VELOCITY, source.velocity) return ssid