forked from auracaster/bumble_mirror
117 lines
3.8 KiB
Python
117 lines
3.8 KiB
Python
# Copyright 2021-2022 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# -----------------------------------------------------------------------------
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# Imports
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# -----------------------------------------------------------------------------
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import asyncio
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import sys
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import logging
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from typing import Optional
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import websockets
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from bumble import decoder
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from bumble import gatt
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from bumble.core import AdvertisingData
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from bumble.device import Device, AdvertisingParameters
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from bumble.transport import open_transport
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from bumble.profiles import asha
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import bumble.logging
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ws_connection: Optional[websockets.WebSocketServerProtocol] = None
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g722_decoder = decoder.G722Decoder()
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async def ws_server(ws_client: websockets.WebSocketServerProtocol, path: str):
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del path
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global ws_connection
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ws_connection = ws_client
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async for message in ws_client:
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print(message)
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# -----------------------------------------------------------------------------
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async def main() -> None:
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if len(sys.argv) != 3:
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print('Usage: python run_asha_sink.py <device-config> <transport-spec>')
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print('example: python run_asha_sink.py device1.json usb:0')
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return
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async with await open_transport(sys.argv[2]) as hci_transport:
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device = Device.from_config_file_with_hci(
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sys.argv[1], hci_transport.source, hci_transport.sink
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)
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def on_audio_packet(packet: bytes) -> None:
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global ws_connection
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if ws_connection:
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offset = 1
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while offset < len(packet):
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pcm_data = g722_decoder.decode_frame(packet[offset : offset + 80])
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offset += 80
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asyncio.get_running_loop().create_task(ws_connection.send(pcm_data))
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else:
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logging.info("No active client")
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asha_service = asha.AshaService(
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capability=0,
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hisyncid=b'\x01\x02\x03\x04\x05\x06\x07\x08',
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device=device,
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audio_sink=on_audio_packet,
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)
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device.add_service(asha_service)
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# Set the advertising data
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advertising_data = (
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bytes(
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AdvertisingData(
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[
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(
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AdvertisingData.COMPLETE_LOCAL_NAME,
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bytes(device.name, 'utf-8'),
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),
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(AdvertisingData.FLAGS, bytes([0x06])),
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(
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AdvertisingData.INCOMPLETE_LIST_OF_16_BIT_SERVICE_CLASS_UUIDS,
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bytes(gatt.GATT_ASHA_SERVICE),
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),
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]
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)
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)
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+ asha_service.get_advertising_data()
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)
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# Go!
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await device.power_on()
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await device.create_advertising_set(
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auto_restart=True,
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advertising_data=advertising_data,
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advertising_parameters=AdvertisingParameters(
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primary_advertising_interval_min=100,
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primary_advertising_interval_max=100,
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),
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)
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await websockets.serve(ws_server, port=8888)
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await hci_transport.source.terminated
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# -----------------------------------------------------------------------------
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bumble.logging.setup_basic_logging('DEBUG')
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asyncio.run(main())
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