def __init__(self, pos, listener): """For the position, this class is expecting a vector. A vector will work as intended, at any rate.""" super().__init__(listener.server) self.position = pos self.source = libaudioverse.SourceNode(listener.server, listener.environment) self.source.position = tuple(pos)
def load_sound(self, key): self.source = libaudioverse.SourceNode(self.server, self.world) if key not in self.cache: b = libaudioverse.Buffer(self.server) if self.pdata=="": b.load_from_file(os.path.join(sound_dir, key)) else: b.decode_from_array(self.pdata[key]) self.cache[key] = b b = self.cache[key] n = libaudioverse.BufferNode(self.server) n.buffer.value =b return Sound(n,self.source)
def __init__(self, server, world, fileRoute, position, callback=None): self.server = server self.world = world self.source = libaudioverse.SourceNode(server, world) self.buffer = libaudioverse.BufferNode(server) b = libaudioverse.Buffer(server) b.load_from_file(fileRoute) self.ruta = fileRoute self.buffer.buffer = b self.buffer.state = libaudioverse.NodeStates.paused self.source.position = position self.respuesta = callback self.buffer.set_end_callback(self._lanzarRespuesta) self.duracion = buffer_get_duration(b)
#demonstrates how to use the 3d simulation. import libaudioverse import collections libaudioverse.initialize() sim = libaudioverse.Simulation() sim.set_output_device(-1) world = libaudioverse.EnvironmentNode(sim, "default") source = libaudioverse.SourceNode(sim, world) print "Enter a path to a sound file." filepath = raw_input() n = libaudioverse.BufferNode(sim) b = libaudioverse.Buffer(sim) b.load_from_file(filepath) n.buffer = b n.connect(0, source, 0) n.looping.value = True world.connect_simulation(0) print """Enter python expressions that evaluate to 3-tuples (x, y, z). Positive x is to your right, positive y is above you, and positive z is behind you. Enter quit to quit.""" while True: command = raw_input() if command == 'quit': break vect = eval(command) if not isinstance(vect, collections.Sized) or len(vect) != 3: print "Must evaluate to a 3-tuple. Try again"
rm.mul.set(time=28.0, value=1.0) rm.mul.linear_ramp_to_value(time=30.0, value=0.0) #This is the 3D infrastructure. world = libaudioverse.EnvironmentNode(simulation, "default") world.orientation.value = (0, 1, 0, 0, 0, 1) #Turn on HRTF. world.default_panning_strategy.value = libaudioverse.PanningStrategies.hrtf world.output_channels.value = 2 #Set a default for the distance model. world.default_max_distance.value = 20 #Get a source. source = libaudioverse.SourceNode(simulation, environment=world) rm.connect(0, source, 0) world.connect_simulation(0) square_side_length = 15 square_phase_length = 5.0 def block_callback(simulation, time): phase = (time // square_phase_length) % 4 percent = (time % square_phase_length) / square_phase_length if phase == 0: source.position.value = (-square_side_length / 2 + square_side_length * percent,
def __init__(self, f, duration, min_x, max_x, min_y, max_y, x_ticks=None, y_ticks=None, zero_ticks=False, hrtf=False, axis_ticks=False): """Parameters: f: A callable. Given a value for x, return a value for y. duration: The total duration of the graph. We reach max_x at duration seconds, then stop. min_x, max_x: The range of the X axis. min_y, max_y: The range of the y axis. x_ticks: If set to a value besides None, tick for every time we cross a multiple of the value. y_ticks: x_ticks, but for y. zero_ticks: tick when y crosses zero. hrtf: If True, use HRTF panning. axis_ticks: If True, tick for crossing x=0 or y=0. x_ticks and y_ticks exist to allow representing graph lines through audio. The visual equivalent of these values is the setting which allows one to specify the size of grid squares. As this class graphs, it will produce distinct ticks as the value of f crosses multiples of x_ticks or y_ticks.""" # This is around 3 milliseconds. We can probably increase the resolution further. self.server = libaudioverse.Server(block_size=block_size, sample_rate=sr) self.main_tone = libaudioverse.AdditiveTriangleNode(self.server) self.main_tone.frequency = main_start_frequency self.main_tone.mul = main_volume # This helps HRTF a little. self.main_noise = libaudioverse.NoiseNode(self.server) self.main_noise.mul = 0.005 self.undefined_noise = libaudioverse.NoiseNode(self.server) self.undefined_noise.mul = 0 self.undefined_noise.noise_type = libaudioverse.NoiseTypes.pink self.panner = libaudioverse.MultipannerNode(self.server, "default") self.environment = libaudioverse.EnvironmentNode( self.server, "default") self.source = libaudioverse.SourceNode(self.server, self.environment) self.main_tone.connect(0, self.panner, 0) self.main_tone.connect(0, self.source, 0) if hrtf: self.main_noise.connect(0, self.source, 0) self.undefined_noise.connect(0, self.source, 0) self.environment.connect(0, self.server) self.environment.panning_strategy = libaudioverse.PanningStrategies.hrtf self.environment.position = (0, 0, hrtf_listener_offset) else: self.undefined_noise.connect(0, self.panner, 0) self.panner.connect(0, self.server) # These are for the small ticks. We don't necessarily use them, but we get them going anyway so that we can if we want. self.x_ticker = libaudioverse.AdditiveSquareNode(self.server) self.y_ticker = libaudioverse.AdditiveSawNode(self.server) self.zero_ticker = libaudioverse.AdditiveSawNode(self.server) self.x_ticker.mul = 0 self.y_ticker.mul = 0 self.zero_ticker.mul = 0 self.x_ticker.frequency = 115 self.x_ticker.connect(0, self.panner, 0) self.y_ticker.connect(0, self.panner, 0) self.zero_ticker.connect(0, self.panner, 0) self.x_ticker.connect(0, self.source, 0) self.y_ticker.connect(0, self.source, 0) self.zero_ticker.connect(0, self.source, 0) self.prev_x = min_x self.prev_y = min_y + (max_y - min_y) / 2 try: tmp = f(min_x) if isinstance(tmp, float): self.prev_y = tmp except: pass if self.prev_y < 0: self.prev_y_sign = -1 elif self.prev_y == 0: self.prev_y_sign = 0 else: self.prev_y_sign = 1 self.server.set_block_callback(self.model_update) # We start not faded out. self.faded_out = False # Copy everything. self.f = f self.duration = duration self.min_x = min_x self.min_y = min_y self.max_x = max_x self.max_y = max_y self.hrtf = hrtf self.x_ticks = x_ticks self.y_ticks = y_ticks self.zero_ticks = zero_ticks self.axis_ticks = axis_ticks self.finished = False
rm.mul.set(time=28.0, value=1.0) rm.mul.linear_ramp_to_value(time=30.0, value=0.0) # This is the 3D infrastructure. world = libaudioverse.EnvironmentNode(server, "default") world.orientation.value = (0, 1, 0, 0, 0, 1) # Turn on HRTF. world.panning_strategy.value = libaudioverse.PanningStrategies.hrtf world.output_channels.value = 2 # Set a default for the distance model. world.max_distance.value = 20 # Get a source. source = libaudioverse.SourceNode(server, environment=world) rm.connect(0, source, 0) world.connect(0, server) square_side_length = 15 square_phase_length = 5.0 def block_callback(server, time): phase = (time//square_phase_length) % 4 percent = (time % square_phase_length) / square_phase_length if phase == 0: source.position.value = ( -square_side_length / 2 + square_side_length * percent,
#demonstrates how to use the 3d simulation. import libaudioverse import collections libaudioverse.initialize() server = libaudioverse.Server() server.set_output_device() world = libaudioverse.EnvironmentNode(server, "default") world.panning_strategy = libaudioverse.PanningStrategies.hrtf source = libaudioverse.SourceNode(server, world) print("Enter a path to a sound file.") filepath = input() n = libaudioverse.BufferNode(server) b = libaudioverse.Buffer(server) b.load_from_file(filepath) n.buffer = b n.connect(0, source, 0) n.looping = True world.connect(0, world.server) print("""Enter python expressions that evaluate to 3-tuples (x, y, z). Positive x is to your right, positive y is above you, and positive z is behind you. Enter quit to quit.""") while True: command = input() if command == 'quit': break