1 /* Spa Bluez5 AVRCP Player
2  *
3  * Copyright © 2021 Pauli Virtanen
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22  * DEALINGS IN THE SOFTWARE.
23  */
24 
25 #ifndef SPA_BLUEZ5_PLAYER_H_
26 #define SPA_BLUEZ5_PLAYER_H_
27 
28 enum spa_bt_player_state {
29 	SPA_BT_PLAYER_STOPPED,
30 	SPA_BT_PLAYER_PLAYING,
31 };
32 
33 /**
34  * Dummy AVRCP player.
35  *
36  * Some headsets require an AVRCP player to be present, before their
37  * AVRCP volume synchronization works. To work around this, we
38  * register a dummy player that does nothing.
39  */
40 struct spa_bt_player {
41 	enum spa_bt_player_state state;
42 };
43 
44 struct spa_bt_player *spa_bt_player_new(void *dbus_connection, struct spa_log *log);
45 void spa_bt_player_destroy(struct spa_bt_player *player);
46 int spa_bt_player_set_state(struct spa_bt_player *player,
47 		enum spa_bt_player_state state);
48 int spa_bt_player_register(struct spa_bt_player *player, const char *adapter_path);
49 int spa_bt_player_unregister(struct spa_bt_player *player, const char *adapter_path);
50 
51 #endif
52