immersive-home/app/lib/home_apis/hass_ws/handlers/assist.gd
2024-03-17 17:05:45 +01:00

127 lines
2.8 KiB
GDScript

extends VoiceHandler
const HASS_API = preload ("../hass.gd")
const VoiceHandler = preload ("res://lib/home_apis/voice_handler.gd")
var api: HASS_API
var pipe_running := false
var handler_id := 0
var wake_word = null:
set(value):
if value != wake_word&&value != null:
on_wake_word.emit(value)
wake_word = value
var stt_message = null:
set(value):
if value != stt_message&&value != null:
on_stt_message.emit(value)
stt_message = value
var tts_message = null:
set(value):
if value != tts_message&&value != null:
on_tts_message.emit(value)
tts_message = value
var tts_sound = null:
set(value):
if value != tts_sound&&value != null:
on_tts_sound.emit(value)
tts_sound = value
func _init(hass: HASS_API):
self.api = hass
func start_wakeword():
if pipe_running:
return
api.send_packet({
"type": "assist_pipeline/run",
"start_stage": "wake_word",
"end_stage": "tts",
"input": {
"timeout": 5,
"sample_rate": 16000
},
"timeout": 60
}, true)
func send_data(data: PackedByteArray):
# prepend the handler id to the data in 8 bits
if pipe_running:
var stream = PackedByteArray()
stream.resize(1)
stream.encode_s8(0, handler_id)
stream.append_array(data)
api.send_raw(stream)
func handle_message(message: Dictionary):
if message["type"] != "event":
return
var event = message["event"]
if event.has("type") == false:
return
match event["type"]:
"run-start":
pipe_running = true
handler_id = event["data"]["runner_data"]["stt_binary_handler_id"]
"wake_word-end":
if pipe_running == false:
return
if event["data"]["wake_word_output"].has("wake_word_phrase") == false:
return
wake_word = event["data"]["wake_word_output"]["wake_word_phrase"]
"stt-end":
if pipe_running == false:
return
if event["data"]["stt_output"].has("text") == false:
return
stt_message = event["data"]["stt_output"]["text"]
"intent-end":
if pipe_running == false:
return
tts_message = event["data"]["intent_output"]["response"]["speech"]["plain"]["speech"]
"tts-end":
if pipe_running == false:
return
if event["data"]["tts_output"].has("url") == false:
return
var headers = PackedStringArray(["Authorization: Bearer %s" % api.token, "Content-Type: application/json"])
var url = "%s://%s%s" % ["https" if api.url.begins_with("wss") else "http", api.url.split("//")[1],event["data"]["tts_output"]["url"]]
Request.request(url, headers, HTTPClient.METHOD_GET)
var response = await Request.request_completed
if response[0] != HTTPRequest.RESULT_SUCCESS:
return
var sound = AudioStreamMP3.new()
sound.data = response[3]
tts_sound = sound
"error":
if event["data"]["code"] == "stt-no-text-recognized":
on_error.emit()
"run-end":
pipe_running = false
wake_word = null
handler_id = 0
_:
pass