Handle mandatory events according to AVRCP 1.3 spec.
---
audio/control.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 51 insertions(+), 0 deletions(-)
diff --git a/audio/control.c b/audio/control.c
index 670660f..212e95c 100644
--- a/audio/control.c
+++ b/audio/control.c
@@ -74,10 +74,12 @@
/* ctype entries */
#define CTYPE_CONTROL 0x0
#define CTYPE_STATUS 0x1
+#define CTYPE_NOTIFY 0x3
#define CTYPE_NOT_IMPLEMENTED 0x8
#define CTYPE_ACCEPTED 0x9
#define CTYPE_REJECTED 0xA
#define CTYPE_STABLE 0xC
+#define CTYPE_INTERIM 0xF
/* opcodes */
#define OP_VENDORDEP 0x00
@@ -122,6 +124,22 @@
#define AVRCP_DISPLAYABLE_CHARSET 0x17
#define AVRCP_CT_BATTERY_STATUS 0x18
#define AVRCP_GET_PLAY_STATUS 0x30
+#define AVRCP_REGISTER_NOTIFICATION 0x31
+
+/* Notification events */
+#define AVRCP_EVENT_PLAYBACK_STATUS_CHANGED 0x01
+#define AVRCP_EVENT_TRACK_CHANGED 0x02
+#define AVRCP_EVENT_TRACK_REACHED_END 0x03
+#define AVRCP_EVENT_TRACK_REACHED_START 0x04
+#define AVRCP_EVENT_PLAYBACK_POS_CHANGED 0x05
+#define AVRCP_EVENT_BATT_STATUS_CHANGED 0x06
+#define AVRCP_EVENT_SYSTEM_STATUS_CHANGED 0x07
+#define AVRCP_EVENT_PLAYER_APPLICATION_SETTING_CHANGED 0x08
+#define AVRCP_EVENT_NOW_PLAYING_CONTENT_CHANGED 0x09
+#define AVRCP_EVENT_AVAILABLE_PLAYERS_CHANGED 0x0a
+#define AVRCP_EVENT_ADDRESSED_PLAYER_CHANGED 0x0b
+#define AVRCP_EVENT_UIDS_CHANGED 0x0c
+#define AVRCP_EVENT_VOLUME_CHANGED 0x0d
/* Capabilities for AVRCP_GET_CAPABILITIES pdu */
#define CAP_COMPANY_ID 0x02
@@ -289,6 +307,7 @@ struct control {
uint8_t player_setting[PLAYER_SETTING_SCAN + 1];
struct media_info mi;
+ uint16_t registered_events;
};
static struct {
@@ -944,6 +963,38 @@ static int handle_vendordep_pdu(struct control *control,
}
break;
+ case AVRCP_REGISTER_NOTIFICATION:
+ if (len == 5 && avrcp->code == CTYPE_NOTIFY) {
+ int size;
+
+ switch (pdu->params[0]) {
+ case (AVRCP_EVENT_PLAYBACK_STATUS_CHANGED):
+ size = 2;
+ pdu->params[1] = control->mi.status;
+
+ break;
+ case (AVRCP_EVENT_TRACK_CHANGED):
+ size = 9;
+ memset(&pdu->params[1], 0, 8);
+
+ break;
+ default:
+ /* All other events are not supported yet */
+ pdu->params[0] = E_INVALID_PARAM;
+ goto err_metadata;
+ }
+
+ /* Register event */
+ control->registered_events |= (1 << pdu->params[0]);
+
+ avrcp->code = CTYPE_INTERIM;
+ pdu->params_len = htons(size);
+
+ return AVRCP_HEADER_LENGTH +
+ AVRCP_SPECAVCPDU_HEADER_LENGTH + size;
+ }
+
+ 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
