---
audio/control.c | 177 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 177 insertions(+), 0 deletions(-)
diff --git a/audio/control.c b/audio/control.c
index 884e01c..2d6d9e6 100644
--- a/audio/control.c
+++ b/audio/control.c
@@ -116,6 +116,7 @@
#define AVRCP_LIST_PLAYER_ATTRIBUTES 0X11
#define AVRCP_LIST_PLAYER_VALUES 0x12
#define AVRCP_GET_CURRENT_PLAYER_VALUE 0x13
+#define AVRCP_SET_PLAYER_VALUE 0x14
/* Capabilities for AVRCP_GET_CAPABILITIES pdu */
#define CAP_COMPANY_ID 0x02
@@ -492,6 +493,133 @@ static unsigned int setting_get_max_val(uint8_t setting)
return 0;
}
+static const char *setting_equalizer_to_string(enum equalizer_mode value)
+{
+ switch (value) {
+ case (EQUALIZER_MODE_ON):
+ return "on";
+ case (EQUALIZER_MODE_OFF):
+ return "off";
+ }
+
+ return NULL;
+}
+
+static const char *setting_repeat_to_string(enum repeat_mode value)
+{
+ switch (value) {
+ case (REPEAT_MODE_OFF):
+ return "off";
+ case (REPEAT_MODE_SINGLE):
+ return "singletrack";
+ case (REPEAT_MODE_ALL):
+ return "alltracks";
+ case (REPEAT_MODE_GROUP):
+ return "group";
+ }
+
+ return NULL;
+}
+
+static const char *setting_shuffle_to_string(enum shuffle_mode value)
+{
+ switch (value) {
+ case (SHUFFLE_MODE_OFF):
+ return "off";
+ case (SHUFFLE_MODE_ALL):
+ return "alltracks";
+ case (SHUFFLE_MODE_GROUP):
+ return "group";
+ }
+
+ return NULL;
+}
+
+static const char *setting_scan_to_string(enum scan_mode value)
+{
+ switch (value) {
+ case (SCAN_MODE_OFF):
+ return "off";
+ case (SCAN_MODE_ALL):
+ return "alltracks";
+ case (SCAN_MODE_GROUP):
+ return "group";
+ }
+
+ return NULL;
+}
+
+static const char *setting_value_to_string(enum player_setting setting,
+ uint8_t value)
+{
+ switch (setting) {
+ case (PLAYER_SETTING_EQUALIZER):
+ return setting_equalizer_to_string(value);
+ case(PLAYER_SETTING_REPEAT):
+ return setting_repeat_to_string(value);
+ case(PLAYER_SETTING_SHUFFLE):
+ return setting_shuffle_to_string(value);
+ case(PLAYER_SETTING_SCAN):
+ return setting_scan_to_string(value);
+ }
+
+ return NULL;
+}
+
+static const char *setting_to_string(enum player_setting setting)
+{
+ switch (setting) {
+ case (PLAYER_SETTING_EQUALIZER):
+ return "Equalizer";
+ case(PLAYER_SETTING_REPEAT):
+ return "Repeat";
+ case(PLAYER_SETTING_SHUFFLE):
+ return "Shuffle";
+ case(PLAYER_SETTING_SCAN):
+ return "Scan";
+ }
+
+ return NULL;
+}
+
+static void append_variant(DBusMessageIter *iter, int type, void *val)
+{
+ DBusMessageIter value;
+ char sig[2] = { type, '\0' };
+
+ dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, sig, &value);
+
+ dbus_message_iter_append_basic(&value, type, val);
+
+ dbus_message_iter_close_container(iter, &value);
+}
+
+static dbus_bool_t emit_setting_changed(DBusConnection *conn,
+ const char *path,
+ const char *interface,
+ const char *name,
+ int type, void *value)
+{
+ DBusMessage *signal;
+ DBusMessageIter iter;
+
+ signal = dbus_message_new_signal(path, interface, "SettingChanged");
+
+ if (!signal) {
+ error("Unable to allocate new %s.SettingChanged signal",
+ interface);
+ return FALSE;
+ }
+
+ dbus_message_iter_init_append(signal, &iter);
+
+ dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &name);
+
+ append_variant(&iter, type, value);
+
+ return g_dbus_send_message(conn, signal);
+}
+
/* handle vendordep pdu inside an avctp packet */
static int handle_vendordep_pdu(struct control *control,
struct avrcp_header *avrcp,
@@ -647,6 +775,55 @@ static int handle_vendordep_pdu(struct control *control,
}
break;
+ case AVRCP_SET_PLAYER_VALUE:
+ if (len > 2 && avrcp->code == CTYPE_CONTROL) {
+ len = 0;
+
+ /*
+ * From sec. 5.7 of AVRCP 1.3 spec, we should igore
+ * non-existent IDs and set the existent ones. Sec.
+ * 5.2.4 is not clear however how to indicate that a
+ * certain ID was not accepted. If at least one
+ * attribute we respond with no parameters. Otherwise
+ * an E_INVALID_PARAM is sent.
+ */
+ for (i = 0; i < pdu->params[0]; i++) {
+ uint8_t setting = pdu->params[i * 2 + 1];
+ uint8_t val = pdu->params[i * 2 + 2];
+ const char *settingstr;
+ const char *valstr;
+
+ settingstr = setting_to_string(setting);
+ if (!setting)
+ continue;
+
+ valstr = setting_value_to_string(setting, val);
+ if (!valstr)
+ continue;
+
+ len++;
+ control->player_setting[setting] = val;
+
+ emit_setting_changed(control->dev->conn,
+ control->dev->path,
+ AUDIO_CONTROL_INTERFACE,
+ settingstr,
+ DBUS_TYPE_STRING, &valstr);
+ }
+
+ if (!len) {
+ pdu->params[0] = E_INVALID_PARAM;
+ goto err_metadata;
+ }
+
+ avrcp->code = CTYPE_STABLE;
+ pdu->params_len = 0;
+
+ return AVRCP_HEADER_LENGTH +
+ AVRCP_SPECAVCPDU_HEADER_LENGTH;
+ }
+
+ break;
}
/*
--
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
