Initial commit

.svn/pristine/e4/e46f627284f1013fc748480afec5fbf1f6bd2405.svn-base

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+extends Node
+
+var mic_capture : AudioEffectOpusChunked
+var audio_stats : Dictionary[int, Array] # id->[last_number, packetsreceived, packetslost]
+var packets_sent: int = 0
+
+var packet_queue: Dictionary[int, Array] # sender_id -> Array of PackedByteArrays
+
+
+func _ready():
+	playstuff()
+	var mic_bus = AudioServer.get_bus_index("Mic")
+	mic_capture = AudioServer.get_bus_effect(mic_bus, 0)
+
+func _process(delta: float):
+	if !mic_capture or Multiplayer.playerDict.is_empty(): 
+		print("Nada")
+		return
+	if Input.is_action_just_pressed("noise"):
+		play_note(69)	
+		print("test")
+	for sender in packet_queue.keys():
+		var VoiceChatPlayerOutputNode: AudioStreamPlayer3D = Multiplayer.playerDict.get(sender).VoiceChat
+		var OpusStream : AudioStreamOpusChunked = VoiceChatPlayerOutputNode.stream
+		while OpusStream.chunk_space_available():
+			var pkt: PackedByteArray = packet_queue.get(sender).pop_front()
+			if pkt == null:
+				break
+			OpusStream.push_opus_packet(pkt, 8, 0)
+	
+	
+	while mic_capture.chunk_available():
+		var seq_num : PackedByteArray = PackedByteArray()
+		seq_num.resize(8)
+		seq_num.encode_u64(0,packets_sent+1)
+		var packet = mic_capture.read_opus_packet(seq_num)
+		mic_capture.drop_chunk()
+		if multiplayer.multiplayer_peer.get_connection_status() == MultiplayerPeer.CONNECTION_CONNECTED:
+			_voice_packet_received.rpc(packet)
+			packets_sent += 1
+			if (packets_sent % 500) == 0:
+				print("Packets sent: ", packets_sent, " from id ", multiplayer.get_unique_id(), " ", hash(packet))
+				print("Size before: ", packet.size())
+				print("Hash send: ", hash(packet))
+				
+@rpc("any_peer", "unreliable_ordered")#, "call_local")
+func _voice_packet_received(packet: PackedByteArray):
+	var sender_id = multiplayer.get_remote_sender_id()
+	
+	#Stats for printing
+	var sender_stats = audio_stats.get(sender_id, [0,0,0])
+	if (sender_stats[0]+1 != packet.decode_u32(0)):
+		sender_stats[2]+=1
+	sender_stats[0]=packet.decode_u64(0)
+	sender_stats[1]+=1
+	audio_stats.set(sender_id, sender_stats)
+	if (sender_stats[1] % 500) == 0:
+		print("Packets received: ", sender_stats[1], " from id ", sender_id, " Lossrate: ", sender_stats[2], "/", sender_stats[1], "(" , str(100*(sender_stats[2]/sender_stats[1])), "%)")
+		print("Size after: ", packet.size())
+		print("Hash received: ", hash(packet))
+		print("Packet no.: ", packet.decode_u64(0))
+	var VoiceChatPlayerOutputNode: AudioStreamPlayer3D = Multiplayer.playerDict.get(sender_id).VoiceChat
+	var OpusStream : AudioStreamOpusChunked = VoiceChatPlayerOutputNode.stream
+	#OpusStream.push_opus_packet(packet, 8, 0)
+	if not packet_queue.has(sender_id):
+		var x : Array[PackedByteArray] = []
+		packet_queue.set(sender_id, x)
+	packet_queue.get(sender_id).append(packet)
+	
+var playback: AudioStreamGeneratorPlayback
+var player_ : AudioStreamPlayer
+
+func playstuff():
+	var generator = AudioStreamGenerator.new()
+	generator.mix_rate = 44100
+	generator.buffer_length = 2
+	player_ = AudioStreamPlayer.new()
+	player_.bus = "Mic"
+	player_.stream = generator
+	add_child(player_)
+	player_.play()
+	playback = player_.get_stream_playback()
+
+func play_note(midi_note: int):
+	var freq = 440.0 * pow(2.0, (midi_note - 69) / 12.0) # MIDI ? Hz
+	generate_sine_wave(freq)
+
+func generate_sine_wave(frequency: float):
+	var sample_rate = 44100.0
+	var increment = TAU * frequency / sample_rate
+	var phase = 0.0
+	var num_samples = int(sample_rate * 2) # 0.5 seconds
+	var buffer = PackedVector2Array()
+
+	for i in num_samples:
+		var sample = sin(phase)
+		buffer.append(Vector2(sample, sample)) # stereo
+		phase += increment
+	playback.push_buffer(buffer)