ChangePlayback() is used by applications to inform bluetoothd of the
current status of playback.
---
audio/control.c | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 77 insertions(+), 0 deletions(-)
diff --git a/audio/control.c b/audio/control.c
index 168a608..cb9dd76 100644
--- a/audio/control.c
+++ b/audio/control.c
@@ -135,6 +135,15 @@ enum scan_mode {
SCAN_MODE_GROUP = 3,
};
+enum play_status {
+ PLAY_STATUS_STOPPED = 0x00,
+ PLAY_STATUS_PLAYING = 0x01,
+ PLAY_STATUS_PAUSED = 0x02,
+ PLAY_STATUS_FWD_SEEK = 0x03,
+ PLAY_STATUS_REV_SEEK = 0x04,
+ PLAY_STATUS_ERROR = 0xFF
+};
+
static DBusConnection *connection = NULL;
static GSList *servers = NULL;
@@ -216,8 +225,16 @@ struct avctp_server {
uint32_t ct_record_id;
};
+struct media_info {
+ uint32_t elapsed;
+};
+
struct media_player {
uint8_t settings[PLAYER_SETTING_SCAN + 1];
+ enum play_status status;
+
+ struct media_info mi;
+ GTimer *timer;
};
struct control {
@@ -523,6 +540,40 @@ static int attr_to_val(const char *str)
return -EINVAL;
}
+static int play_status_to_val(const char *status)
+{
+ if (!strcmp(status, "stopped"))
+ return PLAY_STATUS_STOPPED;
+ else if (!strcmp(status, "playing"))
+ return PLAY_STATUS_PLAYING;
+ else if (!strcmp(status, "paused"))
+ return PLAY_STATUS_PAUSED;
+ else if (!strcmp(status, "forward-seek"))
+ return PLAY_STATUS_FWD_SEEK;
+ else if (!strcmp(status, "reverse-seek"))
+ return PLAY_STATUS_REV_SEEK;
+ else if (!strcmp(status, "error"))
+ return PLAY_STATUS_ERROR;
+
+ return -EINVAL;
+}
+
+static void mp_set_playback_status(struct control *control, uint8_t status,
+ uint32_t elapsed)
+{
+ struct media_player *mp = control->mp;
+
+ DBG("Change playback: %u %u", status, elapsed);
+
+ mp->mi.elapsed = elapsed;
+ g_timer_start(mp->timer);
+
+ if (status == mp->status)
+ return;
+
+ mp->status = status;
+}
+
static void mp_set_attribute(struct media_player *mp,
uint8_t attr, uint8_t val)
{
@@ -1281,8 +1332,32 @@ static DBusMessage *mp_set_property(DBusConnection *conn,
return dbus_message_new_method_return(msg);
}
+static DBusMessage *mp_change_playback(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ struct audio_device *device = data;
+ struct control *control = device->control;
+ const char *statusstr;
+ int status;
+ uint32_t elapsed;
+
+ if (!dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &statusstr,
+ DBUS_TYPE_UINT32, &elapsed,
+ DBUS_TYPE_INVALID))
+ return btd_error_invalid_args(msg);
+
+ status = play_status_to_val(statusstr);
+ if (status < 0)
+ return btd_error_invalid_args(msg);
+
+ mp_set_playback_status(control, status, elapsed);
+
+ return dbus_message_new_method_return(msg);
+}
+
static GDBusMethodTable mp_methods[] = {
{ "SetProperty", "sv", "", mp_set_property },
+ { "ChangePlayback", "su", "", mp_change_playback },
{ }
};
@@ -1314,6 +1389,7 @@ static void mp_path_unregister(void *data)
DBG("Unregistered interface %s on path %s",
MEDIA_PLAYER_INTERFACE, dev->path);
+ g_timer_destroy(mp->timer);
g_free(mp);
control->mp = NULL;
}
@@ -1357,6 +1433,7 @@ static void mp_register(struct control *control)
DBG("Registered interface %s on path %s",
MEDIA_PLAYER_INTERFACE, dev->path);
+ mp->timer = g_timer_new();
control->mp = mp;
}
--
1.7.6
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