91 lines
3.2 KiB
Python
91 lines
3.2 KiB
Python
from bumble import hci
|
|
from bumble.profiles import bap
|
|
from dataclasses import dataclass
|
|
|
|
# Define some base dataclasses to hold the relevant parameters
|
|
@dataclass
|
|
class AuracastQoSConfig:
|
|
iso_interval_us: int = 10000
|
|
number_of_retransmissions:int = 4
|
|
max_transport_latency_ms:int = 43 # TODO: varies from the default value in bumble (was 65)
|
|
|
|
qos_config_mono_high_rel = AuracastQoSConfig() #highest rel + lowest latency
|
|
qos_config_mono_medium_rel = AuracastQoSConfig(
|
|
iso_interval_us = 10000,
|
|
number_of_retransmissions = 3,
|
|
max_transport_latency_ms = 65
|
|
)
|
|
qos_config_mono_low_rel = AuracastQoSConfig( #highest latency
|
|
iso_interval_us = 10000,
|
|
number_of_retransmissions = 2,
|
|
max_transport_latency_ms = 65
|
|
)
|
|
|
|
@dataclass
|
|
class AuracastGlobalConfig:
|
|
qos_config: AuracastQoSConfig
|
|
device_name: str = 'Auracaster'
|
|
transport: str = ''
|
|
auracast_device_address: hci.Address = hci.Address('F0:F1:F2:F3:F4:F5')
|
|
auracast_sampling_rate_hz: int = 24000
|
|
octets_per_frame: int = 60 #48kbps@24kHz # bitrate = octets_per_frame * 8 / frame len
|
|
frame_duration_us: int = 10000
|
|
presentation_delay_us: int = 40000
|
|
|
|
@dataclass
|
|
class AuracastBigConfig:
|
|
broadcast_id: int =123456,
|
|
broadcast_random_address: hci.Address = hci.Address('F1:F1:F2:F3:F4:F5')
|
|
broadcast_code: str = None # a hexstr
|
|
broadcast_language: str = 'eng' # See: https://en.wikipedia.org/wiki/List_of_ISO_639_language_codes
|
|
broadcast_name: str = 'Broadcast0'
|
|
broadcast_program_info: str = 'Some Announcements'
|
|
broacast_wav_file_path: str = './auracast/announcement_48_10_96000_en.wav'
|
|
|
|
global_base_config = AuracastGlobalConfig(qos_config=AuracastQoSConfig())
|
|
|
|
# Instanciate some example configurations
|
|
broadcast_de = AuracastBigConfig(
|
|
broadcast_id=12,
|
|
broadcast_random_address=hci.Address('F1:F1:F2:F3:F4:F5'),
|
|
broadcast_name = 'Broadcast0',
|
|
broadcast_language='deu',
|
|
broadcast_program_info = 'Announcements German',
|
|
broacast_wav_file_path = './auracast/announcement_48_10_96000_de.wav',
|
|
)
|
|
|
|
broadcast_en = AuracastBigConfig(
|
|
broadcast_id=123,
|
|
broadcast_random_address=hci.Address('F2:F1:F2:F3:F4:F5'),
|
|
broadcast_name = 'Broadcast1',
|
|
broadcast_language='eng',
|
|
broadcast_program_info = 'Announcements English',
|
|
broacast_wav_file_path = './auracast/announcement_48_10_96000_en.wav',
|
|
)
|
|
|
|
broadcast_fr = AuracastBigConfig(
|
|
broadcast_id=1234,
|
|
broadcast_random_address=hci.Address('F3:F1:F2:F3:F4:F5'),
|
|
broadcast_name = 'Broadcast2',
|
|
broadcast_language='fra',
|
|
broadcast_program_info = 'Announcements French',
|
|
broacast_wav_file_path = './auracast/announcement_48_10_96000_fr.wav',
|
|
)
|
|
|
|
broadcast_es = AuracastBigConfig(
|
|
broadcast_id=12345,
|
|
broadcast_random_address=hci.Address('F4:F1:F2:F3:F4:F5'),
|
|
broadcast_name = 'Broadcast3',
|
|
broadcast_language='spa',
|
|
broadcast_program_info = 'Announcements Spanish',
|
|
broacast_wav_file_path = './auracast/announcement_48_10_96_es.wav',
|
|
)
|
|
|
|
broadcast_it = AuracastBigConfig(
|
|
broadcast_id=123456,
|
|
broadcast_random_address=hci.Address('F5:F1:F2:F3:F4:F5'),
|
|
broadcast_name = 'Broadcast4',
|
|
broadcast_language='ita',
|
|
broadcast_program_info = 'Announcements Italian',
|
|
broacast_wav_file_path = './auracast/announcement_48_10_96_it.wav',
|
|
) |