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15c988f7 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 | |
11 | extern "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 | ||
26 | typedef struct raop_s raop_t; | |
27 | ||
28 | typedef void (*raop_log_callback_t)(void *cls, int level, const char *msg); | |
29 | ||
30 | struct 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 | }; | |
44 | typedef struct raop_callbacks_s raop_callbacks_t; | |
45 | ||
46 | RAOP_API raop_t *raop_init(int max_clients, raop_callbacks_t *callbacks, const char *pemkey, int *error); | |
47 | RAOP_API raop_t *raop_init_from_keyfile(int max_clients, raop_callbacks_t *callbacks, const char *keyfile, int *error); | |
48 | ||
49 | RAOP_API void raop_set_log_level(raop_t *raop, int level); | |
50 | RAOP_API void raop_set_log_callback(raop_t *raop, raop_log_callback_t callback, void *cls); | |
51 | ||
52 | RAOP_API int raop_start(raop_t *raop, unsigned short *port, const char *hwaddr, int hwaddrlen, const char *password); | |
53 | RAOP_API int raop_is_running(raop_t *raop); | |
54 | RAOP_API void raop_stop(raop_t *raop); | |
55 | ||
56 | RAOP_API void raop_destroy(raop_t *raop); | |
57 | ||
58 | #ifdef __cplusplus | |
59 | } | |
60 | #endif | |
61 | #endif |