static void a2dp_suspend_complete(struct avdtp *session,
struct avdtp_error *err, void *user_data)
{
struct unix_client *client = user_data;
char buf[BT_SUGGESTED_BUFFER_SIZE];
struct bt_stop_stream_rsp *rsp = (void *) buf;
struct a2dp_data *a2dp = &client->d.a2dp;
if (err)
goto failed;
memset(buf, 0, sizeof(buf));
rsp->h.type = BT_RESPONSE;
rsp->h.name = BT_STOP_STREAM;
rsp->h.length = sizeof(*rsp);
unix_ipc_sendmsg(client, &rsp->h);
return;
failed:
error("suspend failed");
unix_ipc_error(client, BT_STOP_STREAM, EIO);
if (a2dp->sep) {
a2dp_sep_unlock(a2dp->sep, a2dp->session);
a2dp->sep = NULL;
}
avdtp_unref(a2dp->session);
a2dp->session = NULL;
a2dp->stream = NULL;
}
static guint resume_a2dp(struct media_transport *transport,
struct media_owner *owner)
{
struct a2dp_transport *a2dp = transport->data;
struct media_endpoint *endpoint = transport->endpoint;
struct a2dp_sep *sep = media_endpoint_get_sep(endpoint);
guint id;
if (a2dp->session == NULL) {
a2dp->session = avdtp_get(transport->device);
if (a2dp->session == NULL)
return 0;
}
if (state_in_use(transport->state))
return a2dp_resume(a2dp->session, sep, a2dp_resume_complete,
owner);
if (a2dp_sep_lock(sep, a2dp->session) == FALSE)
return 0;
id = a2dp_resume(a2dp->session, sep, a2dp_resume_complete, owner);
if (id == 0) {
a2dp_sep_unlock(sep, a2dp->session);
return 0;
}
if (transport->state == TRANSPORT_STATE_IDLE)
transport_set_state(transport, TRANSPORT_STATE_REQUESTING);
return id;
}
static void stream_state_changed(struct avdtp_stream *stream,
avdtp_state_t old_state,
avdtp_state_t new_state,
struct avdtp_error *err,
void *user_data)
{
struct unix_client *client = user_data;
struct a2dp_data *a2dp = &client->d.a2dp;
switch (new_state) {
case AVDTP_STATE_IDLE:
if (a2dp->sep) {
a2dp_sep_unlock(a2dp->sep, a2dp->session);
a2dp->sep = NULL;
}
if (a2dp->session) {
avdtp_unref(a2dp->session);
a2dp->session = NULL;
}
a2dp->stream = NULL;
client->cb_id = 0;
break;
default:
break;
}
}
static void start_close(struct audio_device *dev, struct unix_client *client,
gboolean reply)
{
struct a2dp_data *a2dp;
struct headset_data *hs;
if (!client->dev)
goto failed;
switch (client->type) {
case TYPE_HEADSET:
hs = &client->d.hs;
if (client->dev && hs->locked) {
headset_unlock(client->dev, client->lock);
hs->locked = FALSE;
}
break;
case TYPE_GATEWAY:
break;
case TYPE_SOURCE:
case TYPE_SINK:
a2dp = &client->d.a2dp;
if (client->cb_id > 0) {
avdtp_stream_remove_cb(a2dp->session, a2dp->stream,
client->cb_id);
client->cb_id = 0;
}
if (a2dp->sep) {
a2dp_sep_unlock(a2dp->sep, a2dp->session);
a2dp->sep = NULL;
}
if (a2dp->session) {
avdtp_unref(a2dp->session);
a2dp->session = NULL;
}
a2dp->stream = NULL;
break;
default:
error("No known services for device");
goto failed;
}
if (!reply)
return;
close_complete(dev, client);
client->dev = NULL;
return;
failed:
if (reply)
unix_ipc_error(client, BT_STOP_STREAM, EINVAL);
}
static void a2dp_resume_complete(struct avdtp *session,
struct avdtp_error *err, void *user_data)
{
struct unix_client *client = user_data;
char buf[BT_SUGGESTED_BUFFER_SIZE];
struct bt_start_stream_rsp *rsp = (void *) buf;
struct bt_new_stream_ind *ind = (void *) buf;
struct a2dp_data *a2dp = &client->d.a2dp;
if (err)
goto failed;
memset(buf, 0, sizeof(buf));
rsp->h.type = BT_RESPONSE;
rsp->h.name = BT_START_STREAM;
rsp->h.length = sizeof(*rsp);
unix_ipc_sendmsg(client, &rsp->h);
memset(buf, 0, sizeof(buf));
ind->h.type = BT_RESPONSE;
ind->h.name = BT_NEW_STREAM;
rsp->h.length = sizeof(*ind);
unix_ipc_sendmsg(client, &ind->h);
if (unix_sendmsg_fd(client->sock, client->data_fd) < 0) {
error("unix_sendmsg_fd: %s(%d)", strerror(errno), errno);
goto failed;
}
return;
failed:
error("resume failed");
unix_ipc_error(client, BT_START_STREAM, EIO);
if (client->cb_id > 0) {
avdtp_stream_remove_cb(a2dp->session, a2dp->stream,
client->cb_id);
client->cb_id = 0;
}
if (a2dp->sep) {
a2dp_sep_unlock(a2dp->sep, a2dp->session);
a2dp->sep = NULL;
}
avdtp_unref(a2dp->session);
a2dp->session = NULL;
a2dp->stream = NULL;
}
static guint suspend_a2dp(struct media_transport *transport,
struct media_owner *owner)
{
struct a2dp_transport *a2dp = transport->data;
struct media_endpoint *endpoint = transport->endpoint;
struct a2dp_sep *sep = media_endpoint_get_sep(endpoint);
if (!owner) {
a2dp_sep_unlock(sep, a2dp->session);
transport->in_use = FALSE;
return 0;
}
return a2dp_suspend(a2dp->session, sep, a2dp_suspend_complete, owner);
}
static guint suspend_a2dp(struct media_transport *transport,
struct media_owner *owner)
{
struct a2dp_transport *a2dp = transport->data;
struct media_endpoint *endpoint = transport->endpoint;
struct a2dp_sep *sep = media_endpoint_get_sep(endpoint);
if (owner != NULL)
return a2dp_suspend(a2dp->session, sep, a2dp_suspend_complete,
owner);
transport_set_state(transport, TRANSPORT_STATE_IDLE);
a2dp_sep_unlock(sep, a2dp->session);
return 0;
}
static void a2dp_suspend_complete(struct avdtp *session,
struct avdtp_error *err, void *user_data)
{
struct media_owner *owner = user_data;
struct media_transport *transport = owner->transport;
struct a2dp_sep *sep = media_endpoint_get_sep(transport->endpoint);
/* Release always succeeds */
if (owner->pending) {
owner->pending->id = 0;
media_request_reply(owner->pending, transport->conn, 0);
media_owner_remove(owner);
}
a2dp_sep_unlock(sep, transport->session);
transport->in_use = FALSE;
media_transport_remove(transport, owner);
}
static void a2dp_suspend_complete(struct avdtp *session,
struct avdtp_error *err, void *user_data)
{
struct media_owner *owner = user_data;
struct media_transport *transport = owner->transport;
struct a2dp_transport *a2dp = transport->data;
struct a2dp_sep *sep = media_endpoint_get_sep(transport->endpoint);
/* Release always succeeds */
if (owner->pending) {
owner->pending->id = 0;
media_request_reply(owner->pending, 0);
media_owner_remove(owner);
}
a2dp_sep_unlock(sep, a2dp->session);
transport_set_state(transport, TRANSPORT_STATE_IDLE);
media_transport_remove_owner(transport);
}
static void a2dp_discovery_complete(struct avdtp *session, GSList *seps,
struct avdtp_error *err,
void *user_data)
{
struct unix_client *client = user_data;
char buf[BT_SUGGESTED_BUFFER_SIZE];
struct bt_get_capabilities_rsp *rsp = (void *) buf;
struct a2dp_data *a2dp = &client->d.a2dp;
GSList *l;
if (!g_slist_find(clients, client)) {
DBG("Client disconnected during discovery");
return;
}
if (err)
goto failed;
memset(buf, 0, sizeof(buf));
client->req_id = 0;
rsp->h.type = BT_RESPONSE;
rsp->h.name = BT_GET_CAPABILITIES;
rsp->h.length = sizeof(*rsp);
ba2str(&client->dev->src, rsp->source);
ba2str(&client->dev->dst, rsp->destination);
strncpy(rsp->object, client->dev->path, sizeof(rsp->object));
for (l = seps; l; l = g_slist_next(l)) {
struct avdtp_remote_sep *rsep = l->data;
struct a2dp_sep *sep;
struct avdtp_service_capability *cap;
struct avdtp_stream *stream;
uint8_t type, seid, configured = 0, lock = 0;
GSList *cl;
type = avdtp_get_type(rsep);
if (type != AVDTP_SEP_TYPE_SINK &&
type != AVDTP_SEP_TYPE_SOURCE)
continue;
cap = avdtp_get_codec(rsep);
if (cap->category != AVDTP_MEDIA_CODEC)
continue;
seid = avdtp_get_seid(rsep);
if (client->seid != 0 && client->seid != seid)
continue;
stream = avdtp_get_stream(rsep);
if (stream) {
configured = 1;
if (client->seid == seid)
cap = avdtp_stream_get_codec(stream);
}
for (cl = clients; cl; cl = cl->next) {
struct unix_client *c = cl->data;
struct a2dp_data *ca2dp = &c->d.a2dp;
if (ca2dp->session == session && c->seid == seid) {
lock = c->lock;
break;
}
}
sep = a2dp_get_sep(session, stream);
if (sep && a2dp_sep_get_lock(sep))
lock = BT_WRITE_LOCK;
a2dp_append_codec(rsp, cap, seid, type, configured, lock);
}
unix_ipc_sendmsg(client, &rsp->h);
return;
failed:
error("discovery failed");
unix_ipc_error(client, BT_GET_CAPABILITIES, EIO);
if (a2dp->sep) {
a2dp_sep_unlock(a2dp->sep, a2dp->session);
a2dp->sep = NULL;
}
avdtp_unref(a2dp->session);
a2dp->session = NULL;
a2dp->stream = NULL;
}
static void a2dp_config_complete(struct avdtp *session, struct a2dp_sep *sep,
struct avdtp_stream *stream,
struct avdtp_error *err,
void *user_data)
{
struct unix_client *client = user_data;
char buf[BT_SUGGESTED_BUFFER_SIZE];
struct bt_set_configuration_rsp *rsp = (void *) buf;
struct a2dp_data *a2dp = &client->d.a2dp;
uint16_t imtu, omtu;
GSList *caps;
client->req_id = 0;
if (err)
goto failed;
memset(buf, 0, sizeof(buf));
if (!stream)
goto failed;
if (client->cb_id > 0)
avdtp_stream_remove_cb(a2dp->session, a2dp->stream,
client->cb_id);
a2dp->sep = sep;
a2dp->stream = stream;
if (!avdtp_stream_get_transport(stream, &client->data_fd, &imtu, &omtu,
&caps)) {
error("Unable to get stream transport");
goto failed;
}
rsp->h.type = BT_RESPONSE;
rsp->h.name = BT_SET_CONFIGURATION;
rsp->h.length = sizeof(*rsp);
/* FIXME: Use imtu when fd_opt is CFG_FD_OPT_READ */
rsp->link_mtu = omtu;
unix_ipc_sendmsg(client, &rsp->h);
client->cb_id = avdtp_stream_add_cb(session, stream,
stream_state_changed, client);
return;
failed:
error("config failed");
unix_ipc_error(client, BT_SET_CONFIGURATION, EIO);
if (a2dp->sep && a2dp_sep_get_lock(a2dp->sep)) {
a2dp_sep_unlock(a2dp->sep, a2dp->session);
a2dp->sep = NULL;
}
avdtp_unref(a2dp->session);
a2dp->session = NULL;
a2dp->stream = NULL;
a2dp->sep = NULL;
}
