ChangeSetting() is used by an application to communicate with the
bluetooth device in TG role in order to notify the change in a certain
setting.
---
audio/control.c | 152 +++++++++++++++++++++++++++++++++++++++++++++++++++
doc/control-api.txt | 12 ++--
2 files changed, 159 insertions(+), 5 deletions(-)
diff --git a/audio/control.c b/audio/control.c
index 983c8cd..905f57a 100644
--- a/audio/control.c
+++ b/audio/control.c
@@ -120,6 +120,37 @@
#define QUIRK_NO_RELEASE 1 << 0
+enum player_setting {
+ PLAYER_SETTING_EQUALIZER = 1,
+ PLAYER_SETTING_REPEAT = 2,
+ PLAYER_SETTING_SHUFFLE = 3,
+ PLAYER_SETTING_SCAN = 4,
+};
+
+enum equalizer_mode {
+ EQUALIZER_MODE_OFF = 1,
+ EQUALIZER_MODE_ON = 2,
+};
+
+enum repeat_mode {
+ REPEAT_MODE_OFF = 1,
+ REPEAT_MODE_SINGLE = 2,
+ REPEAT_MODE_ALL = 3,
+ REPEAT_MODE_GROUP = 4,
+};
+
+enum shuffle_mode {
+ SHUFFLE_MODE_OFF = 1,
+ SHUFFLE_MODE_ALL = 2,
+ SHUFFLE_MODE_GROUP = 3,
+};
+
+enum scan_mode {
+ SCAN_MODE_OFF = 1,
+ SCAN_MODE_ALL = 2,
+ SCAN_MODE_GROUP = 3,
+};
+
static DBusConnection *connection = NULL;
static GSList *servers = NULL;
@@ -216,6 +247,8 @@ struct control {
gboolean target;
uint8_t key_quirks[256];
+
+ uint8_t player_setting[PLAYER_SETTING_SCAN + 1];
};
static struct {
@@ -1193,12 +1226,131 @@ static DBusMessage *control_get_properties(DBusConnection *conn,
return reply;
}
+static int setting_string_to_val(uint8_t setting, const char *value) {
+ int ret;
+
+ switch (setting) {
+ case (PLAYER_SETTING_EQUALIZER):
+ if (!strcmp(value, "off"))
+ ret = EQUALIZER_MODE_OFF;
+ else if (!strcmp(value, "on"))
+ ret = EQUALIZER_MODE_ON;
+ else
+ ret = -EINVAL;
+
+ return ret;
+ case(PLAYER_SETTING_REPEAT):
+ if (!strcmp(value, "off"))
+ ret = REPEAT_MODE_OFF;
+ else if (!strcmp(value, "singletrack"))
+ ret = REPEAT_MODE_SINGLE;
+ else if (!strcmp(value, "alltracks"))
+ ret = REPEAT_MODE_ALL;
+ else if (!strcmp(value, "group"))
+ ret = REPEAT_MODE_GROUP;
+ else
+ ret = -EINVAL;
+
+ return ret;
+ case(PLAYER_SETTING_SHUFFLE):
+ if (!strcmp(value, "off"))
+ ret = SHUFFLE_MODE_OFF;
+ else if (!strcmp(value, "alltracks"))
+ ret = SHUFFLE_MODE_ALL;
+ else if (!strcmp(value, "group"))
+ ret = SHUFFLE_MODE_GROUP;
+ else
+ ret = -EINVAL;
+
+ return ret;
+ case(PLAYER_SETTING_SCAN):
+ if (!strcmp(value, "off"))
+ ret = SCAN_MODE_OFF;
+ else if (!strcmp(value, "alltracks"))
+ ret = SCAN_MODE_ALL;
+ else if (!strcmp(value, "group"))
+ ret = SCAN_MODE_GROUP;
+ else
+ ret = -EINVAL;
+
+ return ret;
+ }
+
+ return -EINVAL;
+}
+
+static DBusMessage *setting_set(DBusMessage *msg, struct control *control,
+ const char *settingstr, const char *valstr)
+{
+ int val;
+ uint8_t setting;
+
+ if (!strcmp(settingstr, "Equalizer"))
+ setting = PLAYER_SETTING_EQUALIZER;
+ else if (!strcmp(settingstr, "Repeat"))
+ setting = PLAYER_SETTING_REPEAT;
+ else if (!strcmp(settingstr, "Shuffle"))
+ setting = PLAYER_SETTING_SHUFFLE;
+ else if (!strcmp(settingstr, "Scan"))
+ setting = PLAYER_SETTING_SCAN;
+ else
+ return btd_error_not_supported(msg);
+
+ val = setting_string_to_val(setting, valstr);
+ if (val == -1)
+ return btd_error_invalid_args(msg);
+
+ control->player_setting[setting] = val;
+
+ return dbus_message_new_method_return(msg);
+}
+
+static DBusMessage *control_change_setting(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ struct audio_device *device = data;
+ struct control *control = device->control;
+ DBusMessageIter iter;
+ DBusMessageIter var;
+ const char *setting;
+ const char *value;
+
+ if (control->state != AVCTP_STATE_CONNECTED)
+ return btd_error_not_connected(msg);
+
+ if (control->target) /* Only supported if this device is in TG role */
+ return btd_error_not_supported(msg);
+
+ if (!dbus_message_iter_init(msg, &iter))
+ return btd_error_invalid_args(msg);
+
+ if (!dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+ return btd_error_invalid_args(msg);
+
+ dbus_message_iter_get_basic(&iter, &setting);
+ dbus_message_iter_next(&iter);
+
+ if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
+ return btd_error_invalid_args(msg);
+
+ dbus_message_iter_recurse(&iter, &var);
+
+ /* Only string arguments are supported for now */
+ if (dbus_message_iter_get_arg_type(&var) != DBUS_TYPE_STRING)
+ return btd_error_invalid_args(msg);
+
+ dbus_message_iter_get_basic(&var, &value);
+
+ return setting_set(msg, control, setting, value);
+}
+
static GDBusMethodTable control_methods[] = {
{ "IsConnected", "", "b", control_is_connected,
G_DBUS_METHOD_FLAG_DEPRECATED },
{ "GetProperties", "", "a{sv}",control_get_properties },
{ "VolumeUp", "", "", volume_up },
{ "VolumeDown", "", "", volume_down },
+ { "ChangeSetting", "sv", "", control_change_setting },
{ NULL, NULL, NULL, NULL }
};
diff --git a/doc/control-api.txt b/doc/control-api.txt
index 1a42846..931fa10 100644
--- a/doc/control-api.txt
+++ b/doc/control-api.txt
@@ -70,18 +70,20 @@ Methods void Connect()
void ChangeSetting(string setting, variant value)
Called to transmit Application Settings, CT Status
- and the like.
+ and the like. It's ONLY implemented for TG role. In
+ case they're never set, they will not be transmitted to
+ CT as a supported setting.
- Currenet defined settings are represented with the
+ Current defined settings are represented with the
following keys:
Equalizer off, on
Repeat off, singletrack, alltracks, group
Shuffle off, alltracks, group
Scan off, alltracks, group
- Battery normal, warning, critical, external, fullcharge
- System powered, unpowered, unplugged
- Volume uint8
+ Battery normal, warning, critical, external, fullcharge [ Not implemented]
+ System powered, unpowered, unplugged [ Not implemented ]
+ Volume uint8 [ Not implemented ]
Signals Connected()
--
1.7.6
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
