mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
synced 2024-11-25 21:24:16 +08:00
Add uinput support for AVRCP
This commit is contained in:
Johan Hedberg
parent
8c29a4d5d2
commit
589d60855e
155
audio/control.c
155
audio/control.c
@ -32,6 +32,9 @@
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#include <unistd.h>
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#include <assert.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <netinet/in.h>
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#include <glib.h>
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@ -45,6 +48,7 @@
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#include "dbus.h"
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#include "dbus-helper.h"
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#include "logging.h"
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#include "uinput.h"
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#include "device.h"
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#include "manager.h"
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#include "avdtp.h"
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@ -84,6 +88,8 @@
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#define PLAY_OP 0x44
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#define STOP_OP 0x45
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#define PAUSE_OP 0x46
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#define REWIND_OP 0x48
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#define FAST_FORWARD_OP 0x49
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#define NEXT_OP 0x4b
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#define PREV_OP 0x4c
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@ -150,6 +156,8 @@ struct avctp {
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bdaddr_t src;
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bdaddr_t dst;
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int uinput;
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int sock;
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guint io;
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@ -163,7 +171,6 @@ struct control {
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struct avctp *session;
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};
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static int avrcp_ct_record(sdp_buf_t *buf)
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{
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sdp_list_t *svclass_id, *pfseq, *apseq, *root;
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@ -385,10 +392,77 @@ static void avctp_unref(struct avctp *session)
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close(session->sock);
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if (session->io)
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g_source_remove(session->io);
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session->dev->control->session = NULL;
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if (session->uinput >= 0) {
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ioctl(session->uinput, UI_DEV_DESTROY);
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close(session->uinput);
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}
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g_free(session);
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}
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static int uinput_create(char *name)
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{
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struct uinput_dev dev;
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int fd, err;
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fd = open("/dev/uinput", O_RDWR);
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if (fd < 0) {
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fd = open("/dev/input/uinput", O_RDWR);
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if (fd < 0) {
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fd = open("/dev/misc/uinput", O_RDWR);
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if (fd < 0) {
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err = errno;
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error("Can't open input device: %s (%d)",
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strerror(err), err);
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return -err;
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}
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}
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}
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memset(&dev, 0, sizeof(dev));
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if (name)
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strncpy(dev.name, name, UINPUT_MAX_NAME_SIZE);
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dev.id.bustype = BUS_BLUETOOTH;
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dev.id.vendor = 0x0000;
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dev.id.product = 0x0000;
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dev.id.version = 0x0000;
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if (write(fd, &dev, sizeof(dev)) < 0) {
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err = errno;
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error("Can't write device information: %s (%d)",
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strerror(err), err);
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close(fd);
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errno = err;
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return -err;
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}
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ioctl(fd, UI_SET_EVBIT, EV_KEY);
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ioctl(fd, UI_SET_EVBIT, EV_REL);
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ioctl(fd, UI_SET_EVBIT, EV_REP);
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ioctl(fd, UI_SET_KEYBIT, KEY_PLAYPAUSE);
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ioctl(fd, UI_SET_KEYBIT, KEY_STOP);
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ioctl(fd, UI_SET_KEYBIT, KEY_NEXT);
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ioctl(fd, UI_SET_KEYBIT, KEY_PREVIOUS);
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ioctl(fd, UI_SET_KEYBIT, KEY_REWIND);
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ioctl(fd, UI_SET_KEYBIT, KEY_FORWARD);
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if (ioctl(fd, UI_DEV_CREATE, NULL) < 0) {
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err = errno;
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error("Can't create uinput device: %s (%d)",
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strerror(err), err);
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close(fd);
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errno = err;
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return -err;
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}
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return fd;
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}
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static struct avctp *avctp_get(bdaddr_t *src, bdaddr_t *dst)
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{
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struct avctp *session;
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@ -406,6 +480,7 @@ static struct avctp *avctp_get(bdaddr_t *src, bdaddr_t *dst)
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session = g_new0(struct avctp, 1);
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session->uinput = -1;
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session->sock = -1;
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bacpy(&session->src, src);
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bacpy(&session->dst, dst);
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@ -415,33 +490,88 @@ static struct avctp *avctp_get(bdaddr_t *src, bdaddr_t *dst)
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return session;
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}
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static void handle_panel_passthrough(const unsigned char *operands, int operand_count)
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static void init_uinput(struct avctp *session)
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{
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char address[18], *name;
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ba2str(&session->dst, address);
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name = session->dev->name ? session->dev->name : address;
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session->uinput = uinput_create(name);
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if (session->uinput < 0)
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error("AVRCP: failed to init uinput for %s", name);
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else
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debug("AVRCP: uinput initialized for %s", name);
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}
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static int send_event(int fd, uint16_t type, uint16_t code, int32_t value)
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{
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struct uinput_event event;
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memset(&event, 0, sizeof(event));
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event.type = type;
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event.code = code;
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event.value = value;
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return write(fd, &event, sizeof(event));
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}
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static void send_key(int fd, uint16_t key, int pressed)
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{
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if (fd < 0)
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return;
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send_event(fd, EV_KEY, key, pressed);
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send_event(fd, EV_SYN, SYN_REPORT, 0);
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}
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static void handle_panel_passthrough(struct avctp *session,
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const unsigned char *operands,
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int operand_count)
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{
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const char *status;
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int pressed;
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if (operand_count == 0)
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return;
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if (operands[0] & 0x80)
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if (operands[0] & 0x80) {
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status = "released";
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else
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pressed = 0;
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} else {
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status = "pressed";
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pressed = 1;
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}
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switch (operands[0] & 0x7F) {
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case PLAY_OP:
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debug("AVRCP: PLAY %s", status);
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send_key(session->uinput, KEY_PLAYPAUSE, pressed);
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break;
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case STOP_OP:
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debug("AVRCP: STOP %s", status);
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send_key(session->uinput, KEY_STOP, pressed);
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break;
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case PAUSE_OP:
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debug("AVRCP: PAUSE %s", status);
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send_key(session->uinput, KEY_PLAYPAUSE, pressed);
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break;
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case NEXT_OP:
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debug("AVRCP: NEXT %s", status);
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send_key(session->uinput, KEY_NEXT, pressed);
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break;
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case PREV_OP:
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debug("AVRCP: PREV %s", status);
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send_key(session->uinput, KEY_PREVIOUS, pressed);
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break;
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case REWIND_OP:
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debug("AVRCP: REWIND %s", status);
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send_key(session->uinput, KEY_REWIND, pressed);
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break;
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case FAST_FORWARD_OP:
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debug("AVRCP: FAST FORWARD %s", status);
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send_key(session->uinput, KEY_FORWARD, pressed);
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break;
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default:
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debug("AVRCP: unknown button 0x%02X %s", operands[0] & 0x7F, status);
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@ -506,7 +636,7 @@ static gboolean session_cb(GIOChannel *chan, GIOCondition cond,
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avrcp->code == CTYPE_CONTROL &&
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avrcp->subunit_type == SUBUNIT_PANEL &&
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avrcp->opcode == OP_PASSTHROUGH) {
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handle_panel_passthrough(operands, operand_count);
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handle_panel_passthrough(session, operands, operand_count);
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avctp->cr = AVCTP_RESPONSE;
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avrcp->code = CTYPE_ACCEPTED;
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ret = write(session->sock, buf, packet_size);
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@ -553,6 +683,7 @@ static void auth_cb(DBusPendingCall *call, void *data)
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session->dev = manager_device_connected(&session->dst,
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AVRCP_TARGET_UUID);
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session->dev->control->session = session;
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init_uinput(session);
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dbus_connection_emit_signal(session->dev->conn, session->dev->path,
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AUDIO_CONTROL_INTERFACE, "Connected",
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@ -623,6 +754,12 @@ static gboolean avctp_server_cb(GIOChannel *chan, GIOCondition cond, void *data)
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session = avctp_get(&src, &dst);
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if (!session) {
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error("Unable to create new AVCTP session");
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close(cli_sk);
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return TRUE;
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}
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if (session->sock >= 0) {
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error("Refusing unexpected connect from %s", address);
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close(cli_sk);
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@ -651,6 +788,7 @@ proceed:
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session->dev = manager_device_connected(&dst,
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AVRCP_TARGET_UUID);
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session->dev->control->session = session;
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init_uinput(session);
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flags |= G_IO_IN;
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dbus_connection_emit_signal(session->dev->conn,
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session->dev->path,
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@ -712,6 +850,8 @@ static gboolean avctp_connect_cb(GIOChannel *chan, GIOCondition cond,
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goto failed;
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}
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init_uinput(session);
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dbus_connection_emit_signal(session->dev->conn, session->dev->path,
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AUDIO_CONTROL_INTERFACE, "Connected",
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DBUS_TYPE_INVALID);
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@ -744,6 +884,11 @@ gboolean avrcp_connect(struct device *dev)
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return TRUE;
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session = avctp_get(&dev->src, &dev->dst);
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if (!session) {
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error("Unable to create new AVCTP session");
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return FALSE;
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}
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session->dev = dev;
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memset(&l2a, 0, sizeof(l2a));
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@ -73,51 +73,60 @@ static DBusHandlerResult device_get_address(DBusConnection *conn,
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return send_message_and_unref(conn, reply);
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}
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static DBusHandlerResult device_get_name(DBusConnection *conn,
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DBusMessage *msg, void *data)
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static char *get_dev_name(DBusConnection *conn, const char *adapter_path,
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bdaddr_t *bda)
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{
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struct device *device = data;
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DBusMessage *reply, *reply2, *msg2;
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DBusMessage *msg, *reply;
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DBusError derr;
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const char *name;
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char address[18], *addr_ptr = address;
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char address[18], *addr_ptr = address, *ret;
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msg2 = dbus_message_new_method_call("org.bluez", device->adapter_path,
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msg = dbus_message_new_method_call("org.bluez", adapter_path,
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"org.bluez.Adapter", "GetRemoteName");
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if (!msg2)
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return DBUS_HANDLER_RESULT_NEED_MEMORY;
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if (!msg)
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return NULL;
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ba2str(&device->dst, address);
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dbus_message_append_args(msg2, DBUS_TYPE_STRING, &addr_ptr,
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ba2str(bda, address);
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dbus_message_append_args(msg, DBUS_TYPE_STRING, &addr_ptr,
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DBUS_TYPE_INVALID);
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dbus_error_init(&derr);
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reply2 = dbus_connection_send_with_reply_and_block(conn, msg2, -1,
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reply = dbus_connection_send_with_reply_and_block(conn, msg, -1,
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&derr);
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dbus_message_unref(msg2);
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dbus_message_unref(msg);
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if (dbus_error_is_set(&derr)) {
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error("%s GetRemoteName(): %s", device->adapter_path,
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derr.message);
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error("%s GetRemoteName(): %s", adapter_path, derr.message);
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dbus_error_free(&derr);
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return err_failed(conn, msg, "Unable to get remote name");
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return NULL;
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}
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if (!dbus_message_get_args(reply, NULL,
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DBUS_TYPE_STRING, &name,
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DBUS_TYPE_INVALID))
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return NULL;
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ret = g_strdup(name);
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dbus_message_unref(reply);
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return ret;
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}
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static DBusHandlerResult device_get_name(DBusConnection *conn,
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DBusMessage *msg, void *data)
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{
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struct device *dev = data;
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DBusMessage *reply;
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const char *name = dev->name ? dev->name : "";
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reply = dbus_message_new_method_return(msg);
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if (!reply)
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return DBUS_HANDLER_RESULT_NEED_MEMORY;
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dbus_message_get_args(reply2, NULL,
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DBUS_TYPE_STRING, &name,
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DBUS_TYPE_INVALID);
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dbus_message_append_args(reply, DBUS_TYPE_STRING, &name,
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DBUS_TYPE_INVALID);
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dbus_message_unref(reply2);
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return send_message_and_unref(conn, reply);
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}
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@ -193,11 +202,9 @@ static void device_free(struct device *dev)
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if (dev->conn)
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dbus_connection_unref(dev->conn);
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if (dev->adapter_path)
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g_free(dev->adapter_path);
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if (dev->path)
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g_free(dev->path);
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g_free(dev->name);
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g_free(dev);
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}
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@ -303,6 +310,7 @@ struct device *device_register(DBusConnection *conn,
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return NULL;
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}
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dev->name = get_dev_name(conn, dev->adapter_path, bda);
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dev->path = g_strdup(path);
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bacpy(&dev->dst, bda);
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bacpy(&dev->src, &src);
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@ -56,6 +56,7 @@ struct device {
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DBusConnection *conn;
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char *adapter_path;
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char *path;
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char *name;
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bdaddr_t store;
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bdaddr_t src;
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bdaddr_t dst;
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