juhovh-shairplay/include/shairplay/raop.h

64 lines
2.4 KiB
C

#ifndef RAOP_H
#define RAOP_H
#if defined (WIN32) && defined(DLL_EXPORT)
# define RAOP_API __declspec(dllexport)
#else
# define RAOP_API
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* Define syslog style log levels */
#define RAOP_LOG_EMERG 0 /* system is unusable */
#define RAOP_LOG_ALERT 1 /* action must be taken immediately */
#define RAOP_LOG_CRIT 2 /* critical conditions */
#define RAOP_LOG_ERR 3 /* error conditions */
#define RAOP_LOG_WARNING 4 /* warning conditions */
#define RAOP_LOG_NOTICE 5 /* normal but significant condition */
#define RAOP_LOG_INFO 6 /* informational */
#define RAOP_LOG_DEBUG 7 /* debug-level messages */
typedef struct raop_s raop_t;
typedef void (*raop_log_callback_t)(void *cls, int level, const char *msg);
struct raop_callbacks_s {
void* cls;
/* Compulsory callback functions */
void* (*audio_init)(void *cls, int bits, int channels, int samplerate);
void (*audio_process)(void *cls, void *session, const void *buffer, int buflen);
void (*audio_destroy)(void *cls, void *session);
/* Optional but recommended callback functions */
void (*audio_flush)(void *cls, void *session);
void (*audio_set_volume)(void *cls, void *session, float volume);
void (*audio_set_metadata)(void *cls, void *session, const void *buffer, int buflen);
void (*audio_set_coverart)(void *cls, void *session, const void *buffer, int buflen);
void (*audio_remote_control_id)(void *cls, const char *dacp_id, const char *active_remote_header);
void (*audio_set_progress)(void *cls, void *session, unsigned int start, unsigned int curr, unsigned int end);
};
typedef struct raop_callbacks_s raop_callbacks_t;
RAOP_API raop_t *raop_init(int max_clients, raop_callbacks_t *callbacks, const char *pemkey, int *error);
RAOP_API raop_t *raop_init_from_keyfile(int max_clients, raop_callbacks_t *callbacks, const char *keyfile, int *error);
RAOP_API void raop_set_log_level(raop_t *raop, int level);
RAOP_API void raop_set_log_callback(raop_t *raop, raop_log_callback_t callback, void *cls);
RAOP_API int raop_start(raop_t *raop, unsigned short *port, const char *hwaddr, int hwaddrlen, const char *password);
RAOP_API int raop_is_running(raop_t *raop);
RAOP_API void raop_stop(raop_t *raop);
RAOP_API void raop_destroy(raop_t *raop);
#ifdef __cplusplus
}
#endif
#endif