static void start_open(struct audio_device *dev, struct unix_client *client)
{
struct a2dp_data *a2dp;
struct headset_data *hs;
struct avdtp_remote_sep *rsep;
gboolean unref_avdtp_on_fail = FALSE;
switch (client->type) {
case TYPE_SINK:
case TYPE_SOURCE:
a2dp = &client->d.a2dp;
if (!a2dp->session) {
a2dp->session = avdtp_get(&dev->src, &dev->dst);
unref_avdtp_on_fail = TRUE;
}
if (!a2dp->session) {
error("Unable to get a session");
goto failed;
}
if (a2dp->sep) {
error("Client already has an opened session");
goto failed;
}
rsep = avdtp_get_remote_sep(a2dp->session, client->seid);
if (!rsep) {
error("Invalid seid %d", client->seid);
goto failed;
}
a2dp->sep = a2dp_get(a2dp->session, rsep);
if (!a2dp->sep) {
error("seid %d not available or locked", client->seid);
goto failed;
}
if (!a2dp_sep_lock(a2dp->sep, a2dp->session)) {
error("Unable to open seid %d", client->seid);
a2dp->sep = NULL;
goto failed;
}
break;
case TYPE_HEADSET:
hs = &client->d.hs;
if (hs->locked) {
error("Client already has an opened session");
goto failed;
}
hs->locked = headset_lock(dev, client->lock);
if (!hs->locked) {
error("Unable to open seid %d", client->seid);
goto failed;
}
break;
case TYPE_GATEWAY:
break;
default:
error("No known services for device");
goto failed;
}
client->dev = dev;
open_complete(dev, client);
return;
failed:
if (unref_avdtp_on_fail && a2dp->session) {
avdtp_unref(a2dp->session);
a2dp->session = NULL;
}
unix_ipc_error(client, BT_OPEN, EINVAL);
}
static void discovery_complete(struct avdtp *session, GSList *seps, struct avdtp_error *err,
void *user_data)
{
struct sink *sink = user_data;
struct pending_request *pending;
struct avdtp_local_sep *lsep;
struct avdtp_remote_sep *rsep;
struct a2dp_sep *sep;
GSList *caps = NULL;
int id;
pending = sink->connect;
if (err) {
avdtp_unref(sink->session);
sink->session = NULL;
if (avdtp_error_type(err) == AVDTP_ERROR_ERRNO
&& avdtp_error_posix_errno(err) != EHOSTDOWN) {
DBG("connect:connect XCASE detected");
sink->retry_id =
g_timeout_add_seconds(STREAM_SETUP_RETRY_TIMER,
stream_setup_retry,
sink);
} else
goto failed;
return;
}
DBG("Discovery complete");
if (avdtp_get_seps(session, AVDTP_SEP_TYPE_SINK, AVDTP_MEDIA_TYPE_AUDIO,
A2DP_CODEC_SBC, &lsep, &rsep) < 0) {
error("No matching ACP and INT SEPs found");
goto failed;
}
if (!select_capabilities(session, rsep, &caps)) {
error("Unable to select remote SEP capabilities");
goto failed;
}
sep = a2dp_get(session, rsep);
if (!sep) {
error("Unable to get a local source SEP");
goto failed;
}
id = a2dp_config(sink->session, sep, stream_setup_complete, caps, sink);
if (id == 0)
goto failed;
pending->id = id;
return;
failed:
if (pending->msg)
error_failed(pending->conn, pending->msg, "Stream setup failed");
pending_request_free(sink->dev, pending);
sink->connect = NULL;
avdtp_unref(sink->session);
sink->session = NULL;
}
