---
audio/control.c | 125 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 125 insertions(+), 0 deletions(-)
diff --git a/audio/control.c b/audio/control.c
index f090566..4271554 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
@@ -518,6 +519,49 @@ static unsigned int attr_get_max_val(uint8_t attr)
return 0;
}
+static const char *attrval_to_str(uint8_t attr, uint8_t value)
+{
+ switch (attr) {
+ case PLAYER_SETTING_EQUALIZER:
+ switch (value) {
+ case EQUALIZER_MODE_ON:
+ return "on";
+ case EQUALIZER_MODE_OFF:
+ return "off";
+ }
+
+ break;
+ case PLAYER_SETTING_REPEAT:
+ 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";
+ }
+
+ break;
+ /* Shuffle and scan have the same values */
+ case PLAYER_SETTING_SHUFFLE:
+ case PLAYER_SETTING_SCAN:
+ switch (value) {
+ case SCAN_MODE_OFF:
+ return "off";
+ case SCAN_MODE_ALL:
+ return "alltracks";
+ case SCAN_MODE_GROUP:
+ return "group";
+ }
+
+ break;
+ }
+
+ return NULL;
+}
+
static int attrval_to_val(uint8_t attr, const char *value)
{
int ret;
@@ -572,6 +616,22 @@ static int attrval_to_val(uint8_t attr, const char *value)
return -EINVAL;
}
+static const char *attr_to_str(uint8_t attr)
+{
+ switch (attr) {
+ 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 int attr_to_val(const char *str)
{
if (!strcmp(str, "Equalizer"))
@@ -823,6 +883,57 @@ err:
return -EINVAL;
}
+static int avrcp_handle_set_player_value(struct control *control,
+ struct avrcp_spec_avc_pdu *pdu)
+{
+ uint16_t len = ntohs(pdu->params_len);
+ unsigned int i;
+
+ if (len < 3 || !control->mp)
+ goto err;
+
+ 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 is valid, we respond with no parameters. Otherwise an
+ * E_INVALID_PARAM is sent.
+ */
+ for (i = 1; i < pdu->params[0]; i += 2) {
+ uint8_t attr = pdu->params[i];
+ uint8_t val = pdu->params[i + 1];
+ const char *attrstr;
+ const char *valstr;
+
+ attrstr = attr_to_str(attr);
+ if (!attrstr)
+ continue;
+
+ valstr = attrval_to_str(attr, val);
+ if (!valstr)
+ continue;
+
+ len++;
+
+ mp_set_attribute(control->mp, attr, val);
+ emit_property_changed(control->dev->conn, control->dev->path,
+ MEDIA_PLAYER_INTERFACE, attrstr,
+ DBUS_TYPE_STRING, &valstr);
+ }
+
+ if (len) {
+ pdu->params_len = 0;
+
+ return 0;
+ }
+
+err:
+ pdu->params[0] = E_INVALID_PARAM;
+ return -EINVAL;
+}
+
/* handle vendordep pdu inside an avctp packet */
static int handle_vendordep_pdu(struct control *control,
struct avrcp_header *avrcp,
@@ -901,6 +1012,19 @@ static int handle_vendordep_pdu(struct control *control,
avrcp->code = CTYPE_STABLE;
break;
+ case AVRCP_SET_PLAYER_VALUE:
+ if (avrcp->code != CTYPE_CONTROL) {
+ pdu->params[0] = E_INVALID_COMMAND;
+ goto err_metadata;
+ }
+
+ len = avrcp_handle_set_player_value(control, pdu);
+ if (len < 0)
+ goto err_metadata;
+
+ avrcp->code = CTYPE_STABLE;
+
+ break;
default:
/* Invalid pdu_id */
pdu->params[0] = E_INVALID_COMMAND;
@@ -1807,6 +1931,7 @@ static GDBusMethodTable mp_methods[] = {
};
static GDBusSignalTable mp_signals[] = {
+ { "PropertyChanged", "sv" },
{ }
};
--
1.7.6
--
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