Merge branch 'master' of https://github.com/juhovh/shairplay into upstream
[deb_shairplay.git] / include / shairplay / raop.h
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JB
1#ifndef RAOP_H
2#define RAOP_H
3
4#if defined (WIN32) && defined(DLL_EXPORT)
5# define RAOP_API __declspec(dllexport)
6#else
7# define RAOP_API
8#endif
9
10#ifdef __cplusplus
11extern "C" {
12#endif
13
14
15/* Define syslog style log levels */
16#define RAOP_LOG_EMERG 0 /* system is unusable */
17#define RAOP_LOG_ALERT 1 /* action must be taken immediately */
18#define RAOP_LOG_CRIT 2 /* critical conditions */
19#define RAOP_LOG_ERR 3 /* error conditions */
20#define RAOP_LOG_WARNING 4 /* warning conditions */
21#define RAOP_LOG_NOTICE 5 /* normal but significant condition */
22#define RAOP_LOG_INFO 6 /* informational */
23#define RAOP_LOG_DEBUG 7 /* debug-level messages */
24
25
26typedef struct raop_s raop_t;
27
28typedef void (*raop_log_callback_t)(void *cls, int level, const char *msg);
29
30struct raop_callbacks_s {
31 void* cls;
32
33 /* Compulsory callback functions */
34 void* (*audio_init)(void *cls, int bits, int channels, int samplerate);
35 void (*audio_process)(void *cls, void *session, const void *buffer, int buflen);
36 void (*audio_destroy)(void *cls, void *session);
37
38 /* Optional but recommended callback functions */
39 void (*audio_flush)(void *cls, void *session);
40 void (*audio_set_volume)(void *cls, void *session, float volume);
41 void (*audio_set_metadata)(void *cls, void *session, const void *buffer, int buflen);
42 void (*audio_set_coverart)(void *cls, void *session, const void *buffer, int buflen);
43};
44typedef struct raop_callbacks_s raop_callbacks_t;
45
46RAOP_API raop_t *raop_init(int max_clients, raop_callbacks_t *callbacks, const char *pemkey, int *error);
47RAOP_API raop_t *raop_init_from_keyfile(int max_clients, raop_callbacks_t *callbacks, const char *keyfile, int *error);
48
49RAOP_API void raop_set_log_level(raop_t *raop, int level);
50RAOP_API void raop_set_log_callback(raop_t *raop, raop_log_callback_t callback, void *cls);
51
52RAOP_API int raop_start(raop_t *raop, unsigned short *port, const char *hwaddr, int hwaddrlen, const char *password);
53RAOP_API int raop_is_running(raop_t *raop);
54RAOP_API void raop_stop(raop_t *raop);
55
56RAOP_API void raop_destroy(raop_t *raop);
57
58#ifdef __cplusplus
59}
60#endif
61#endif