michaelh/zephyr
1
0
Fork 0
Code Releases Activity

Bluetooth: Audio: Add stream context validation for CAP acceptor

Browse source 
When the CAP acceptor role is enable, ASCS will verify
that the stream context type supplied by the client
matches the PACS available context.

Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
This commit is contained in:
Emil Gydesen 2022-04-05 11:50:38 +02:00 • committed by Fabio Baltieri
commit 539ffe296e
3 changed files with 55 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

17
subsys/bluetooth/audio/pacs.c
View file

@ -36,6 +36,12 @@ NET_BUF_SIMPLE_DEFINE_STATIC(read_buf, CONFIG_BT_L2CAP_TX_MTU);
static const struct bt_audio_pacs_cb *pacs_cb;
static struct bt_pacs_context available_context = {
/* TODO: This should reflect the ongoing channel contexts */
.snk = BT_AUDIO_CONTEXT_TYPE_UNSPECIFIED,
.src = BT_AUDIO_CONTEXT_TYPE_UNSPECIFIED,
};
static void pac_data_add(struct net_buf_simple *buf, uint8_t num,
struct bt_codec_data *data)
{
@ -696,3 +702,14 @@ int bt_audio_pacs_register_cb(const struct bt_audio_pacs_cb *cb)
return 0;
}
bool bt_pacs_context_available(enum bt_audio_dir dir, uint16_t context)
{
if (IS_ENABLED(CONFIG_BT_PAC_SRC) && dir == BT_AUDIO_DIR_SOURCE) {
return (context & available_context.src) == context;
} else if (IS_ENABLED(CONFIG_BT_PAC_SNK) && dir == BT_AUDIO_DIR_SINK) {
return (context & available_context.snk) == context;
}
return false;
}