android/avrcp: Add avrcp_change_path() function

diff --git a/android/avrcp-lib.c b/android/avrcp-lib.c
index bfe5d44..afac845 100644 (file)
--- a/android/avrcp-lib.c
+++ b/android/avrcp-lib.c
@@ -1716,6 +1716,57 @@ int avrcp_get_folder_items(struct avrcp *session, uint8_t scope,
                                        get_folder_items_rsp, session);
 }
 
+static gboolean change_path_rsp(struct avctp *conn, uint8_t *operands,
+                                       size_t operand_count, void *user_data)
+{
+       struct avrcp *session = user_data;
+       struct avrcp_player *player = session->player;
+       struct avrcp_browsing_header *pdu;
+       uint32_t items = 0;
+       int err;
+
+       DBG("");
+
+       if (!player || !player->cfm || !player->cfm->change_path)
+               return FALSE;
+
+       pdu = parse_browsing_pdu(operands, operand_count);
+       if (!pdu) {
+               err = -EPROTO;
+               goto done;
+       }
+
+       err = parse_browsing_status(pdu);
+       if (err < 0)
+               goto done;
+
+       if (pdu->params_len < 5) {
+               err = -EPROTO;
+               goto done;
+       }
+
+       items = get_be32(&pdu->params[1]);
+
+done:
+       player->cfm->change_path(session, err, items, player->user_data);
+
+       return FALSE;
+}
+
+int avrcp_change_path(struct avrcp *session, uint8_t direction, uint64_t uid,
+                                                       uint16_t counter)
+{
+       uint8_t pdu[11];
+
+       put_be16(counter, &pdu[0]);
+       pdu[2] = direction;
+       put_be64(uid, &pdu[3]);
+
+       return avrcp_send_browsing_req(session, AVRCP_CHANGE_PATH,
+                                       pdu, sizeof(pdu),
+                                       change_path_rsp, session);
+}
+
 int avrcp_get_capabilities_rsp(struct avrcp *session, uint8_t transaction,
                                                uint8_t number, uint8_t *events)
 {

diff --git a/android/avrcp-lib.h b/android/avrcp-lib.h
index 8943108..460ce8a 100644 (file)
--- a/android/avrcp-lib.h
+++ b/android/avrcp-lib.h
@@ -208,6 +208,8 @@ struct avrcp_control_cfm {
        void (*get_folder_items) (struct avrcp *session, int err,
                                        uint16_t counter, uint16_t number,
                                        uint8_t *params, void *user_data);
+       void (*change_path) (struct avrcp *session, int err,
+                                       uint32_t items, void *user_data);
 };
 
 struct avrcp_passthrough_handler {
@@ -258,6 +260,8 @@ int avrcp_set_browsed_player(struct avrcp *session, uint16_t player_id);
 int avrcp_get_folder_items(struct avrcp *session, uint8_t scope,
                                uint32_t start, uint32_t end, uint8_t number,
                                uint32_t *attrs);
+int avrcp_change_path(struct avrcp *session, uint8_t direction, uint64_t uid,
+                                                       uint16_t counter);
 
 int avrcp_get_capabilities_rsp(struct avrcp *session, uint8_t transaction,
                                        uint8_t number, uint8_t *events);