mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
934ab3036e
SPDX tags make the licensing information easy to understand and clear, and they are machine parseable. See https://spdx.dev for more information.
73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
/* Spa HSP/HFP native backend HCI support */
|
|
/* SPDX-FileCopyrightText: Copyright © 2022 Pauli Virtanen */
|
|
/* SPDX-License-Identifier: MIT */
|
|
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <stdarg.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <poll.h>
|
|
#include <sys/uio.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include "defs.h"
|
|
|
|
#ifndef HAVE_BLUEZ_5_HCI
|
|
|
|
int spa_bt_adapter_has_msbc(struct spa_bt_adapter *adapter)
|
|
{
|
|
if (adapter->msbc_probed)
|
|
return adapter->has_msbc;
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
#else
|
|
|
|
#include <bluetooth/bluetooth.h>
|
|
#include <bluetooth/hci.h>
|
|
#include <bluetooth/hci_lib.h>
|
|
|
|
int spa_bt_adapter_has_msbc(struct spa_bt_adapter *adapter)
|
|
{
|
|
int hci_id, res;
|
|
int sock = -1;
|
|
uint8_t features[8], max_page = 0;
|
|
struct sockaddr_hci a;
|
|
const char *str;
|
|
|
|
if (adapter->msbc_probed)
|
|
return adapter->has_msbc;
|
|
|
|
str = strrchr(adapter->path, '/'); /* hciXX */
|
|
if (str == NULL || sscanf(str, "/hci%d", &hci_id) != 1 || hci_id < 0)
|
|
return -ENOENT;
|
|
|
|
sock = socket(AF_BLUETOOTH, SOCK_RAW | SOCK_CLOEXEC, BTPROTO_HCI);
|
|
if (sock < 0)
|
|
goto error;
|
|
|
|
memset(&a, 0, sizeof(a));
|
|
a.hci_family = AF_BLUETOOTH;
|
|
a.hci_dev = hci_id;
|
|
if (bind(sock, (struct sockaddr *) &a, sizeof(a)) < 0)
|
|
goto error;
|
|
|
|
if (hci_read_local_ext_features(sock, 0, &max_page, features, 1000) < 0)
|
|
goto error;
|
|
|
|
close(sock);
|
|
|
|
adapter->msbc_probed = true;
|
|
adapter->has_msbc = ((features[2] & LMP_TRSP_SCO) && (features[3] & LMP_ESCO)) ? 1 : 0;
|
|
return adapter->has_msbc;
|
|
|
|
error:
|
|
res = -errno;
|
|
if (sock >= 0)
|
|
close(sock);
|
|
return res;
|
|
}
|
|
|
|
#endif
|