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Diffstat (limited to 'audio/ctl_bluetooth.c')
-rw-r--r--audio/ctl_bluetooth.c134
1 files changed, 60 insertions, 74 deletions
diff --git a/audio/ctl_bluetooth.c b/audio/ctl_bluetooth.c
index 9e1c320c..5c198b1a 100644
--- a/audio/ctl_bluetooth.c
+++ b/audio/ctl_bluetooth.c
@@ -65,7 +65,7 @@ static void bluetooth_exit(struct bluetooth_data *data)
return;
if (data->sock >= 0)
- close(data->sock);
+ bt_audio_service_close(data->sock);
free(data);
}
@@ -141,32 +141,49 @@ static int bluetooth_get_integer_info(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
}
static int bluetooth_send_ctl(struct bluetooth_data *data,
- struct ipc_packet *pkt, int len)
+ uint8_t mode, uint8_t key, struct bt_control_rsp *ctl_rsp)
{
int ret;
+ struct bt_control_req *ctl_req = (void *) ctl_rsp;
+ const char *type;
- ret = send(data->sock, pkt, len, MSG_NOSIGNAL);
+ memset(ctl_req, 0, BT_AUDIO_IPC_PACKET_SIZE);
+ ctl_req->h.msg_type = BT_CONTROL_REQ;
+ ctl_req->mode = mode;
+ ctl_req->key = key;
+
+ ret = send(data->sock, ctl_req, BT_AUDIO_IPC_PACKET_SIZE, MSG_NOSIGNAL);
if (ret <= 0) {
SYSERR("Unable to request new volume value to server");
return -errno;
}
- ret = recv(data->sock, pkt, len, 0);
+ ret = recv(data->sock, ctl_rsp, BT_AUDIO_IPC_PACKET_SIZE, 0);
if (ret <= 0) {
- SYSERR("Unable to receive new volume value from server");
+ SNDERR("Unable to receive new volume value from server");
return -errno;
}
- if(pkt->type != PKT_TYPE_CTL_RSP) {
- SNDERR("Unexpected packet type %d received", pkt->type);
+ type = bt_audio_strmsg(ctl_rsp->h.msg_type);
+ if (!type) {
+ SNDERR("Bogus message type %d "
+ "received from audio service",
+ ctl_rsp->h.msg_type);
return -EINVAL;
}
- if(pkt->length != sizeof(struct ipc_data_ctl)) {
- SNDERR("Unexpected packet length %d received", pkt->length);
+ if (ctl_rsp->h.msg_type != BT_CONTROL_RSP) {
+ SNDERR("Unexpected message %s received", type);
return -EINVAL;
}
+ if (ctl_rsp->posix_errno != 0) {
+ SNDERR("BT_CONTROL failed : %s (%d)",
+ strerror(ctl_rsp->posix_errno),
+ ctl_rsp->posix_errno);
+ return -ctl_rsp->posix_errno;
+ }
+
return 0;
}
@@ -174,28 +191,21 @@ static int bluetooth_read_integer(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
long *value)
{
struct bluetooth_data *data = ext->private_data;
- struct ipc_packet *pkt;
- struct ipc_data_ctl *ctl;
- int len, ret;
+ int ret;
+ char buf[BT_AUDIO_IPC_PACKET_SIZE];
+ struct bt_control_rsp *rsp = (void *) buf;
DBG("ext %p key %ld", ext, key);
- len = sizeof(struct ipc_packet) + sizeof(struct ipc_data_ctl);
- pkt = malloc(len);
- memset(pkt, 0, len);
+ memset(buf, 0, sizeof(buf));
*value = 0;
- pkt->type = PKT_TYPE_CTL_REQ;
- pkt->length = sizeof(struct ipc_data_ctl);
- ctl = (struct ipc_data_ctl *) pkt->data;
- ctl->mode = key;
-
- if ((ret = bluetooth_send_ctl(data, pkt, len)) < 0)
+ ret = bluetooth_send_ctl(data, key, 0, rsp);
+ if (ret < 0)
goto done;
- *value = ctl->key;
+ *value = rsp->key;
done:
- free(pkt);
return ret;
}
@@ -203,38 +213,31 @@ static int bluetooth_write_integer(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
long *value)
{
struct bluetooth_data *data = ext->private_data;
- struct ipc_packet *pkt;
- struct ipc_data_ctl *ctl;
+ char buf[BT_AUDIO_IPC_PACKET_SIZE];
+ struct bt_control_rsp *rsp = (void *) buf;
long current;
- int len, ret;
+ int ret, keyvalue;
DBG("ext %p key %ld", ext, key);
- if ((ret = bluetooth_read_integer(ext, key, &current)) < 0)
+ ret = bluetooth_read_integer(ext, key, &current);
+ if (ret < 0)
return ret;
if (*value == current)
return 0;
- len = sizeof(struct ipc_packet) + sizeof(struct ipc_data_ctl);
- pkt = malloc(len);
- memset(pkt, 0, len);
-
- pkt->length = sizeof(struct ipc_data_ctl);
- ctl = (struct ipc_data_ctl *) pkt->data;
- ctl->mode = key;
-
while (*value != current) {
- pkt->type = PKT_TYPE_CTL_REQ;
- ctl->key = (*value > current) ? CTL_KEY_VOL_UP : CTL_KEY_VOL_DOWN;
+ keyvalue = (*value > current) ? BT_CONTROL_KEY_VOL_UP :
+ BT_CONTROL_KEY_VOL_DOWN;
- if ((ret = bluetooth_send_ctl(data, pkt, len)) < 0)
+ ret = bluetooth_send_ctl(data, key, keyvalue, rsp);
+ if (ret < 0)
break;
- current = ctl->key;
+ current = keyvalue;
}
- free(pkt);
return ret;
}
@@ -242,33 +245,31 @@ static int bluetooth_read_event(snd_ctl_ext_t *ext, snd_ctl_elem_id_t *id,
unsigned int *event_mask)
{
struct bluetooth_data *data = ext->private_data;
- struct ipc_packet *pkt;
- struct ipc_data_ctl *ctl;
- int len, ret;
+ char buf[BT_AUDIO_IPC_PACKET_SIZE];
+ struct bt_control_ind *ind = (void *) buf;
+ int ret;
+ const char *type;
DBG("ext %p id %p", ext, id);
- len = sizeof(struct ipc_packet) + sizeof(struct ipc_data_ctl);
- pkt = malloc(len);
- memset(pkt, 0, len);
-
- ret = recv(data->sock, pkt, len, MSG_DONTWAIT);
- if (ret <= 0)
- return -errno;
+ memset(buf, 0, sizeof(buf));
- if(pkt->type != PKT_TYPE_CTL_NTFY) {
- SNDERR("Unexpected packet type %d received!", pkt->type);
+ ret = recv(data->sock, ind, BT_AUDIO_IPC_PACKET_SIZE, MSG_DONTWAIT);
+ type = bt_audio_strmsg(ind->h.msg_type);
+ if (!type) {
+ SNDERR("Bogus message type %d "
+ "received from audio service",
+ ind->h.msg_type);
return -EAGAIN;
}
- if(pkt->length != sizeof(struct ipc_data_ctl)) {
- SNDERR("Unexpected packet length %d received", pkt->length);
+ if (ind->h.msg_type != BT_CONTROL_IND) {
+ SNDERR("Unexpected message %s received", type);
return -EAGAIN;
}
- ctl = (struct ipc_data_ctl *) pkt->data;
snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
- snd_ctl_elem_id_set_name(id, ctl->mode == BLUETOOTH_PLAYBACK ?
+ snd_ctl_elem_id_set_name(id, ind->mode == BLUETOOTH_PLAYBACK ?
vol_devices[BLUETOOTH_PLAYBACK] :
vol_devices[BLUETOOTH_CAPTURE]);
*event_mask = SND_CTL_EVENT_MASK_VALUE;
@@ -290,10 +291,7 @@ static snd_ctl_ext_callback_t bluetooth_callback = {
static int bluetooth_init(struct bluetooth_data *data)
{
- int sk, err, id;
- struct sockaddr_un addr = {
- AF_UNIX, IPC_SOCKET_NAME
- };
+ int sk;
if (!data)
return -EINVAL;
@@ -302,21 +300,9 @@ static int bluetooth_init(struct bluetooth_data *data)
data->sock = -1;
- id = abs(getpid() * rand());
-
- if ((sk = socket(PF_LOCAL, SOCK_STREAM, 0)) < 0) {
- err = -errno;
- SNDERR("Can't open socket");
+ sk = bt_audio_service_open();
+ if (sk < 0)
return -errno;
- }
-
- DBG("Connecting to address: %s", addr.sun_path + 1);
- if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
- err = -errno;
- SNDERR("Can't connect socket");
- close(sk);
- return err;
- }
data->sock = sk;
generated by cgit (git 2.34.1) at 2024-06-21 13:41:36 +0000