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Bluetooth: Audio: Ensure that stream is in streaming state for ISO recv

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Adds check to verify that the audio stream is actually
in the streaming state before handling the
audio data. As per the BAP spec, a stream that
is not in the streaming state shall not send
any data, and this check is to handle any
remote devices that are not working correctly.

Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
This commit is contained in:
Emil Gydesen 2022-10-05 15:04:29 +02:00 committed by Carles Cufí
parent fb43a48065
commit 4321fef3b7
2 changed files with 26 additions and 0 deletions
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13
subsys/bluetooth/audio/ascs.c
View file

@ -458,6 +458,19 @@ static void ascs_iso_recv(struct bt_iso_chan *chan,
return;
}
/* Since 2 streams can share the same CIS, the CIS may be connected and
* capable of transferring data, without the bt_audio_stream being in
* the streaming state. In that case we simply ignore the data.
*/
if (stream->ep->status.state != BT_AUDIO_EP_STATE_STREAMING) {
if (IS_ENABLED(CONFIG_BT_AUDIO_DEBUG_STREAM_DATA)) {
BT_DBG("Stream %p is not in the streaming state: %u",
stream, stream->ep->status.state);
}
return;
}
ops = stream->ops;
if (IS_ENABLED(CONFIG_BT_AUDIO_DEBUG_STREAM_DATA)) {

13
subsys/bluetooth/audio/unicast_client.c
View file

@ -95,6 +95,19 @@ static void unicast_client_ep_iso_recv(struct bt_iso_chan *chan,
return;
}
/* Since 2 streams can share the same CIS, the CIS may be connected and
* capable of transferring data, without the bt_audio_stream being in
* the streaming state. In that case we simply ignore the data.
*/
if (stream->ep->status.state != BT_AUDIO_EP_STATE_STREAMING) {
if (IS_ENABLED(CONFIG_BT_AUDIO_DEBUG_STREAM_DATA)) {
BT_DBG("Stream %p is not in the streaming state: %u",
stream, stream->ep->status.state);
}
return;
}
ops = stream->ops;
if (IS_ENABLED(CONFIG_BT_AUDIO_DEBUG_STREAM_DATA)) {