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Improve Broadcast Scanning

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This commit is contained in:
Josh Wu
2024-11-15 17:57:13 +08:00
parent 5a72eefb89
commit c88b32a406
7 changed files with 233 additions and 61 deletions
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apps/lea_unicast/app.py
+24 -6
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@@ -486,7 +486,12 @@ class Speaker:
def on_pdu(pdu: HCI_IsoDataPacket, ase: ascs.AseStateMachine):
codec_config = ase.codec_specific_configuration
assert isinstance(codec_config, bap.CodecSpecificConfiguration)
if (
not isinstance(codec_config, bap.CodecSpecificConfiguration)
or codec_config.frame_duration is None
or codec_config.audio_channel_allocation is None
):
return
pcm = decode(
codec_config.frame_duration.us,
codec_config.audio_channel_allocation.channel_count,
@@ -495,11 +500,17 @@ class Speaker:
self.device.abort_on('disconnection', self.ui_server.send_audio(pcm))
def on_ase_state_change(ase: ascs.AseStateMachine) -> None:
codec_config = ase.codec_specific_configuration
if ase.state == ascs.AseStateMachine.State.STREAMING:
codec_config = ase.codec_specific_configuration
assert isinstance(codec_config, bap.CodecSpecificConfiguration)
assert ase.cis_link
if ase.role == ascs.AudioRole.SOURCE:
if (
not isinstance(codec_config, bap.CodecSpecificConfiguration)
or ase.cis_link is None
or codec_config.octets_per_codec_frame is None
or codec_config.frame_duration is None
or codec_config.codec_frames_per_sdu is None
):
return
ase.cis_link.abort_on(
'disconnection',
lc3_source_task(
@@ -514,10 +525,17 @@ class Speaker:
),
)
else:
if not ase.cis_link:
return
ase.cis_link.sink = functools.partial(on_pdu, ase=ase)
elif ase.state == ascs.AseStateMachine.State.CODEC_CONFIGURED:
codec_config = ase.codec_specific_configuration
assert isinstance(codec_config, bap.CodecSpecificConfiguration)
if (
not isinstance(codec_config, bap.CodecSpecificConfiguration)
or codec_config.sampling_frequency is None
or codec_config.frame_duration is None
or codec_config.audio_channel_allocation is None
):
return
if ase.role == ascs.AudioRole.SOURCE:
setup_encoders(
codec_config.sampling_frequency.hz,