1 /*
2  * Copyright (c) 2022 Omar Polo <op@openbsd.org>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef AMUSED_H
18 #define AMUSED_H
19 
20 extern struct sio_hdl	*hdl;
21 extern char		*csock;
22 extern int		 debug;
23 extern int		 verbose;
24 extern int		 playing;
25 extern struct imsgev	*iev_player;
26 
27 #define IMSG_DATA_SIZE(imsg)	((imsg).hdr.len - IMSG_HEADER_SIZE)
28 
29 enum imsg_type {
30 	IMSG_PLAY,		/* fd + filename */
31 	IMSG_RESUME,
32 	IMSG_PAUSE,
33 	IMSG_STOP,
34 	IMSG_EOF,
35 	IMSG_ERR,
36 
37 	IMSG_CTL_PLAY,
38 	IMSG_CTL_TOGGLE_PLAY,
39 	IMSG_CTL_PAUSE,
40 	IMSG_CTL_STOP,
41 	IMSG_CTL_RESTART,
42 	IMSG_CTL_ADD,
43 	IMSG_CTL_FLUSH,
44 	IMSG_CTL_SHOW,
45 	IMSG_CTL_STATUS,
46 
47 	IMSG_CTL_ERR,
48 };
49 
50 struct imsgev {
51 	struct imsgbuf	 ibuf;
52 	void		(*handler)(int, short, void *);
53 	struct event	 ev;
54 	short		 events;
55 };
56 
57 enum actions {
58 	NONE,
59 	PLAY,
60 	PAUSE,
61 	TOGGLE,
62 	STOP,
63 	RESTART,
64 	ADD,
65 	FLUSH,
66 	SHOW,
67 	STATUS,
68 };
69 
70 struct ctl_command;
71 
72 struct parse_result {
73 	enum actions		 action;
74 	char			**files;
75 	struct ctl_command	*ctl;
76 };
77 
78 struct ctl_command {
79 	const char		*name;
80 	enum actions		 action;
81 	int			(*main)(struct parse_result *, int, char **);
82 	const char		*usage;
83 	int			 has_pledge;
84 };
85 
86 struct player_status {
87 	char	path[PATH_MAX];
88 	int	status;
89 };
90 
91 /* amused.c */
92 void		spawn_daemon(void);
93 void		imsg_event_add(struct imsgev *iev);
94 int		imsg_compose_event(struct imsgev *, uint16_t, uint32_t,
95 		    pid_t, int, const void *, uint16_t);
96 int		main_send_player(uint16_t, int, const void *, uint16_t);
97 void		main_playlist_advance(void);
98 void		main_restart_track(void);
99 void		main_enqueue(struct imsgev *, struct imsg *);
100 void		main_send_playlist(struct imsgev *);
101 void		main_send_status(struct imsgev *);
102 
103 /* ctl.c */
104 __dead void	usage(void);
105 __dead void	ctl(int, char **);
106 
107 /* player.c */
108 int	player_setrate(int);
109 void	player_senderr(void);
110 void	player_sendeof(void);
111 int	player_shouldstop(void);
112 int	player(int, int);
113 
114 void	play_oggvorbis(int fd);
115 void	play_mp3(int fd);
116 void	play_flac(int fd);
117 void	play_opus(int fd);
118 
119 #endif