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Bluetooth: Audio: Add sent callback for audio streams

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Add a sent callback that is used to notify applications
using the audio API when a SDU has been sent over HCI.

Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
This commit is contained in:
Emil Gydesen 2022-03-07 14:18:26 +01:00 • committed by Marti Bolivar
commit 4518c1935f
4 changed files with 53 additions and 0 deletions
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14
include/bluetooth/audio/audio.h
View file

@ -1190,6 +1190,20 @@ struct bt_audio_stream_ops {
*/
void (*recv)(struct bt_audio_stream *stream, struct net_buf *buf);
#endif /* CONFIG_BT_AUDIO_UNICAST || CONFIG_BT_AUDIO_BROADCAST_SINK */
#if defined(CONFIG_BT_AUDIO_UNICAST) || defined(CONFIG_BT_AUDIO_BROADCAST_SOURCE)
/** @brief Stream audio HCI sent callback
*
* If this callback is provided it will be called whenever a SDU has
* been completely sent, or otherwise flushed due to transmission
* issues.
* This callback is only used if the ISO data path is HCI.
*
* @param chan The channel which has sent data.
*/
void (*sent)(struct bt_audio_stream *stream);
#endif /* CONFIG_BT_AUDIO_UNICAST || CONFIG_BT_AUDIO_BROADCAST_SOURCE */
};
/** @brief Register Audio callbacks for a stream.

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

@ -296,6 +296,18 @@ static void ascs_iso_recv(struct bt_iso_chan *chan,
}
}
static void ascs_iso_sent(struct bt_iso_chan *chan)
{
struct bt_audio_ep *ep = CONTAINER_OF(chan, struct bt_audio_ep, iso);
struct bt_audio_stream_ops *ops = ep->stream->ops;
BT_DBG("stream %p ep %p", chan, ep);
if (ops != NULL && ops->sent != NULL) {
ops->sent(ep->stream);
}
}
static void ascs_iso_connected(struct bt_iso_chan *chan)
{
struct bt_audio_ep *ep = CONTAINER_OF(chan, struct bt_audio_ep, iso);
@ -336,6 +348,7 @@ static void ascs_iso_disconnected(struct bt_iso_chan *chan, uint8_t reason)
static struct bt_iso_chan_ops ascs_iso_ops = {
.recv = ascs_iso_recv,
.sent = ascs_iso_sent,
.connected = ascs_iso_connected,
.disconnected = ascs_iso_disconnected,
};

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

@ -114,6 +114,18 @@ static void broadcast_source_set_ep_state(struct bt_audio_ep *ep, uint8_t state)
}
}
static void broadcast_source_iso_sent(struct bt_iso_chan *chan)
{
struct bt_audio_ep *ep = CONTAINER_OF(chan, struct bt_audio_ep, iso);
struct bt_audio_stream_ops *ops = ep->stream->ops;
BT_DBG("stream %p ep %p", chan, ep);
if (ops != NULL && ops->sent != NULL) {
ops->sent(ep->stream);
}
}
static void broadcast_source_iso_connected(struct bt_iso_chan *chan)
{
struct bt_audio_ep *ep = CONTAINER_OF(chan, struct bt_audio_ep, iso);
@ -148,6 +160,7 @@ static void broadcast_source_iso_disconnected(struct bt_iso_chan *chan, uint8_t
}
static struct bt_iso_chan_ops broadcast_source_iso_ops = {
.sent = broadcast_source_iso_sent,
.connected = broadcast_source_iso_connected,
.disconnected = broadcast_source_iso_disconnected,
};

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

@ -80,6 +80,18 @@ static void unicast_client_ep_iso_recv(struct bt_iso_chan *chan,
}
}
static void unicast_client_ep_iso_sent(struct bt_iso_chan *chan)
{
struct bt_audio_ep *ep = CONTAINER_OF(chan, struct bt_audio_ep, iso);
struct bt_audio_stream_ops *ops = ep->stream->ops;
BT_DBG("stream %p ep %p", chan, ep);
if (ops != NULL && ops->sent != NULL) {
ops->sent(ep->stream);
}
}
static void unicast_client_ep_iso_connected(struct bt_iso_chan *chan)
{
struct bt_audio_ep *ep = EP_ISO(chan);
@ -125,6 +137,7 @@ static void unicast_client_ep_iso_disconnected(struct bt_iso_chan *chan,
static struct bt_iso_chan_ops unicast_client_iso_ops = {
.recv = unicast_client_ep_iso_recv,
.sent = unicast_client_ep_iso_sent,
.connected = unicast_client_ep_iso_connected,
.disconnected = unicast_client_ep_iso_disconnected,
};