/**************************************************************************** * * * rawmidi.h * * RawMIDI interface * * * ****************************************************************************/ /** * \defgroup RawMidi RawMidi Interface * The RawMidi Interface. * \{ */ /** RawMidi information container */ typedef struct _snd_rawmidi_info snd_rawmidi_info_t; /** RawMidi settings container */ typedef struct _snd_rawmidi_params snd_rawmidi_params_t; /** RawMidi status container */ typedef struct _snd_rawmidi_status snd_rawmidi_status_t; /** RawMidi stream (direction) */ typedef enum _snd_rawmidi_stream { /** Output stream */ SND_RAWMIDI_STREAM_OUTPUT = SNDRV_RAWMIDI_STREAM_OUTPUT, /** Input stream */ SND_RAWMIDI_STREAM_INPUT = SNDRV_RAWMIDI_STREAM_INPUT, SND_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_LAST, } snd_rawmidi_stream_t; /** Append \hideinitializer */ #define SND_RAWMIDI_APPEND 1 /** Non blocking mode \hideinitializer */ #define SND_RAWMIDI_NONBLOCK 2 /** Write sync mode \hideinitializer */ #define SND_RAWMIDI_SYNC 4 /** RawMidi handle */ typedef struct _snd_rawmidi snd_rawmidi_t; /** RawMidi type */ typedef enum _snd_rawmidi_type { /** Kernel level RawMidi */ SND_RAWMIDI_TYPE_HW, /** Shared memory client RawMidi (not yet implemented) */ SND_RAWMIDI_TYPE_SHM, /** INET client RawMidi (not yet implemented) */ SND_RAWMIDI_TYPE_INET, } snd_rawmidi_type_t; #ifdef __cplusplus extern "C" { #endif int snd_rawmidi_open(snd_rawmidi_t **in_rmidi, snd_rawmidi_t **out_rmidi, const char *name, int mode); int snd_rawmidi_close(snd_rawmidi_t *rmidi); int snd_rawmidi_poll_descriptors_count(snd_rawmidi_t *rmidi); int snd_rawmidi_poll_descriptors(snd_rawmidi_t *rmidi, struct pollfd *pfds, unsigned int space); int snd_rawmidi_nonblock(snd_rawmidi_t *rmidi, int nonblock); size_t snd_rawmidi_info_sizeof(void); /** \hideinitializer * \brief allocate an invalid #snd_rawmidi_info_t using standard alloca * \param ptr returned pointer */ #define snd_rawmidi_info_alloca(ptr) do { assert(ptr); *ptr = (snd_rawmidi_info_t *) alloca(snd_rawmidi_info_sizeof()); memset(*ptr, 0, snd_rawmidi_info_sizeof()); } while (0) int snd_rawmidi_info_malloc(snd_rawmidi_info_t **ptr); void snd_rawmidi_info_free(snd_rawmidi_info_t *obj); void snd_rawmidi_info_copy(snd_rawmidi_info_t *dst, const snd_rawmidi_info_t *src); unsigned int snd_rawmidi_info_get_device(const snd_rawmidi_info_t *obj); unsigned int snd_rawmidi_info_get_subdevice(const snd_rawmidi_info_t *obj); snd_rawmidi_stream_t snd_rawmidi_info_get_stream(const snd_rawmidi_info_t *obj); int snd_rawmidi_info_get_card(const snd_rawmidi_info_t *obj); unsigned int snd_rawmidi_info_get_flags(const snd_rawmidi_info_t *obj); const char *snd_rawmidi_info_get_id(const snd_rawmidi_info_t *obj); const char *snd_rawmidi_info_get_name(const snd_rawmidi_info_t *obj); const char *snd_rawmidi_info_get_subdevice_name(const snd_rawmidi_info_t *obj); unsigned int snd_rawmidi_info_get_subdevices_count(const snd_rawmidi_info_t *obj); unsigned int snd_rawmidi_info_get_subdevices_avail(const snd_rawmidi_info_t *obj); void snd_rawmidi_info_set_device(snd_rawmidi_info_t *obj, unsigned int val); void snd_rawmidi_info_set_subdevice(snd_rawmidi_info_t *obj, unsigned int val); void snd_rawmidi_info_set_stream(snd_rawmidi_info_t *obj, snd_rawmidi_stream_t val); int snd_rawmidi_info(snd_rawmidi_t *rmidi, snd_rawmidi_info_t * info); size_t snd_rawmidi_params_sizeof(void); /** \hideinitializer * \brief allocate an invalid #snd_rawmidi_params_t using standard alloca * \param ptr returned pointer */ #define snd_rawmidi_params_alloca(ptr) do { assert(ptr); *ptr = (snd_rawmidi_params_t *) alloca(snd_rawmidi_params_sizeof()); memset(*ptr, 0, snd_rawmidi_params_sizeof()); } while (0) int snd_rawmidi_params_malloc(snd_rawmidi_params_t **ptr); void snd_rawmidi_params_free(snd_rawmidi_params_t *obj); void snd_rawmidi_params_copy(snd_rawmidi_params_t *dst, const snd_rawmidi_params_t *src); int snd_rawmidi_params_set_buffer_size(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, size_t val); size_t snd_rawmidi_params_get_buffer_size(const snd_rawmidi_params_t *params); int snd_rawmidi_params_set_avail_min(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, size_t val); size_t snd_rawmidi_params_get_avail_min(const snd_rawmidi_params_t *params); int snd_rawmidi_params_set_no_active_sensing(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, int val); int snd_rawmidi_params_get_no_active_sensing(const snd_rawmidi_params_t *params); int snd_rawmidi_params(snd_rawmidi_t *rmidi, snd_rawmidi_params_t * params); int snd_rawmidi_params_current(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params); size_t snd_rawmidi_status_sizeof(void); /** \hideinitializer * \brief allocate an invalid #snd_rawmidi_status_t using standard alloca * \param ptr returned pointer */ #define snd_rawmidi_status_alloca(ptr) do { assert(ptr); *ptr = (snd_rawmidi_status_t *) alloca(snd_rawmidi_status_sizeof()); memset(*ptr, 0, snd_rawmidi_status_sizeof()); } while (0) int snd_rawmidi_status_malloc(snd_rawmidi_status_t **ptr); void snd_rawmidi_status_free(snd_rawmidi_status_t *obj); void snd_rawmidi_status_copy(snd_rawmidi_status_t *dst, const snd_rawmidi_status_t *src); void snd_rawmidi_status_get_tstamp(const snd_rawmidi_status_t *obj, snd_timestamp_t *ptr); size_t snd_rawmidi_status_get_avail(const snd_rawmidi_status_t *obj); size_t snd_rawmidi_status_get_xruns(const snd_rawmidi_status_t *obj); int snd_rawmidi_status(snd_rawmidi_t *rmidi, snd_rawmidi_status_t * status); int snd_rawmidi_drain(snd_rawmidi_t *rmidi); int snd_rawmidi_drop(snd_rawmidi_t *rmidi); ssize_t snd_rawmidi_write(snd_rawmidi_t *rmidi, const void *buffer, size_t size); ssize_t snd_rawmidi_read(snd_rawmidi_t *rmidi, void *buffer, size_t size); const char *snd_rawmidi_name(snd_rawmidi_t *rmidi); snd_rawmidi_type_t snd_rawmidi_type(snd_rawmidi_t *rmidi); snd_rawmidi_stream_t snd_rawmidi_stream(snd_rawmidi_t *rawmidi); #ifdef __cplusplus } #endif /** \} */