Support for decoding AVRCP PlayItem added in Bluetooth monitor.
---
monitor/avctp.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 64 insertions(+)
diff --git a/monitor/avctp.c b/monitor/avctp.c
index f684d48..00f84cd 100644
--- a/monitor/avctp.c
+++ b/monitor/avctp.c
@@ -166,6 +166,12 @@
#define AVRCP_PLAY_STATUS_REV_SEEK 0x04
#define AVRCP_PLAY_STATUS_ERROR 0xFF
+/* media scope */
+#define AVRCP_MEDIA_PLAYER_LIST 0x00
+#define AVRCP_MEDIA_PLAYER_VFS 0x01
+#define AVRCP_MEDIA_SEARCH 0x02
+#define AVRCP_MEDIA_NOW_PLAYING 0x03
+
struct avctp_frame {
uint8_t hdr;
uint8_t pt;
@@ -570,6 +576,22 @@ static const char *status2str(uint8_t status)
}
}
+static const char *scope2str(uint8_t scope)
+{
+ switch (scope) {
+ case AVRCP_MEDIA_PLAYER_LIST:
+ return "Media Player List";
+ case AVRCP_MEDIA_PLAYER_VFS:
+ return "Media Player Virtual Filesystem";
+ case AVRCP_MEDIA_SEARCH:
+ return "Search";
+ case AVRCP_MEDIA_NOW_PLAYING:
+ return "Now Playing";
+ default:
+ return "Unknown";
+ }
+}
+
static bool avrcp_passthrough_packet(struct avctp_frame *avctp_frame)
{
struct l2cap_frame *frame = &avctp_frame->l2cap_frame;
@@ -1170,6 +1192,47 @@ response:
return true;
}
+static bool avrcp_play_item(struct avctp_frame *avctp_frame, uint8_t ctype,
+ uint8_t len, uint8_t indent)
+{
+ struct l2cap_frame *frame = &avctp_frame->l2cap_frame;
+ uint64_t uid;
+ uint16_t uidcounter;
+ uint8_t scope, status;
+
+ if (ctype > AVC_CTYPE_GENERAL_INQUIRY)
+ goto response;
+
+ if (!l2cap_frame_get_u8(frame, &scope))
+ return false;
+
+ print_field("%*cScope: 0x%02x (%s)", (indent - 8), ' ',
+ scope, scope2str(scope));
+
+ if (!l2cap_frame_get_be64(frame, &uid))
+ return false;
+
+ print_field("%*cUID: 0x%16" PRIx64 " (%" PRIu64 ")", (indent - 8),
+ ' ', uid, uid);
+
+ if (!l2cap_frame_get_be16(frame, &uidcounter))
+ return false;
+
+ print_field("%*cUIDCounter: 0x%04x (%u)", (indent - 8), ' ',
+ uidcounter, uidcounter);
+
+ return true;
+
+response:
+ if (!l2cap_frame_get_u8(frame, &status))
+ return false;
+
+ print_field("%*cStatus: 0x%02x (%s)", (indent - 8), ' ', status,
+ error2str(status));
+
+ return true;
+}
+
struct avrcp_ctrl_pdu_data {
uint8_t pduid;
bool (*func) (struct avctp_frame *avctp_frame, uint8_t ctype,
@@ -1189,6 +1252,7 @@ static const struct avrcp_ctrl_pdu_data avrcp_ctrl_pdu_table[] = {
{ 0x31, avrcp_register_notification },
{ 0x50, avrcp_set_absolute_volume },
{ 0x60, avrcp_set_addressed_player },
+ { 0x74, avrcp_play_item },
{ }
};
--
1.9.1
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