ChangeSetting() is used by an application to inform bluetoothd that a
certain media player setting was changed.
---
audio/control.c | 152 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 152 insertions(+), 0 deletions(-)
diff --git a/audio/control.c b/audio/control.c
index 168cfc0..ceff561 100644
--- a/audio/control.c
+++ b/audio/control.c
@@ -104,6 +104,37 @@
#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;
@@ -186,6 +217,7 @@ struct avctp_server {
};
struct media_player {
+ uint8_t settings[PLAYER_SETTING_SCAN + 1];
};
struct control {
@@ -423,6 +455,81 @@ static void handle_panel_passthrough(struct control *control,
operands[0] & 0x7F, status);
}
+static int attrval_to_val(uint8_t attr, const char *value) {
+ int ret;
+
+ switch (attr) {
+ 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 int attr_to_val(const char *str)
+{
+ if (!strcmp(str, "Equalizer"))
+ return PLAYER_SETTING_EQUALIZER;
+ else if (!strcmp(str, "Repeat"))
+ return PLAYER_SETTING_REPEAT;
+ else if (!strcmp(str, "Shuffle"))
+ return PLAYER_SETTING_SHUFFLE;
+ else if (!strcmp(str, "Scan"))
+ return PLAYER_SETTING_SCAN;
+
+ return -EINVAL;
+}
+
+static void mp_set_attribute(struct media_player *mp,
+ uint8_t attr, uint8_t val)
+{
+ DBG("Change attribute: %u %u", attr, val);
+
+ mp->settings[attr] = val;
+}
+
/* handle vendordep pdu inside an avctp packet */
static int handle_vendordep_pdu(struct control *control,
struct avrcp_header *avrcp,
@@ -1129,7 +1236,52 @@ static GDBusSignalTable control_signals[] = {
{ NULL, NULL }
};
+static DBusMessage *mp_change_setting(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ struct audio_device *device = data;
+ struct control *control = device->control;
+ DBusMessageIter iter;
+ DBusMessageIter var;
+ const char *attrstr, *valstr;
+ int attr, val;
+
+ 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, &attrstr);
+
+ attr = attr_to_val(attrstr);
+ if (attr < 0)
+ return btd_error_not_supported(msg);
+
+ 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, &valstr);
+
+ val = attrval_to_val(attr, valstr);
+ if (val < 0)
+ return btd_error_not_supported(msg);
+
+ mp_set_attribute(control->mp, attr, val);
+
+ return dbus_message_new_method_return(msg);
+}
+
static GDBusMethodTable mp_methods[] = {
+ { "ChangeSetting", "sv", "", mp_change_setting },
{ }
};
--
1.7.6
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