| 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)(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); |
| 47 | RAOP_API raop_t *raop_init_from_keyfile(int max_clients, raop_callbacks_t *callbacks, const char *keyfile); |
| 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); |
| 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 |