Main Page | Modules | Data Structures | File List | Data Fields | Globals | Related Pages | Examples

rawmidi.h

00001 00028 #ifndef __ALSA_RAWMIDI_H 00029 #define __ALSA_RAWMIDI_H 00030 00031 #ifdef __cplusplus 00032 extern "C" { 00033 #endif 00034 00042 #define SND_RAWMIDI_DLSYM_VERSION _dlsym_rawmidi_001 00043 00045 typedef struct _snd_rawmidi_info snd_rawmidi_info_t; 00047 typedef struct _snd_rawmidi_params snd_rawmidi_params_t; 00049 typedef struct _snd_rawmidi_status snd_rawmidi_status_t; 00050 00052 typedef enum _snd_rawmidi_stream { 00054 SND_RAWMIDI_STREAM_OUTPUT = 0, 00056 SND_RAWMIDI_STREAM_INPUT, 00057 SND_RAWMIDI_STREAM_LAST = SND_RAWMIDI_STREAM_INPUT 00058 } snd_rawmidi_stream_t; 00059 00061 #define SND_RAWMIDI_APPEND 0x0001 00062 00063 #define SND_RAWMIDI_NONBLOCK 0x0002 00064 00065 #define SND_RAWMIDI_SYNC 0x0004 00066 00068 typedef struct _snd_rawmidi snd_rawmidi_t; 00069 00071 typedef enum _snd_rawmidi_type { 00073 SND_RAWMIDI_TYPE_HW, 00075 SND_RAWMIDI_TYPE_SHM, 00077 SND_RAWMIDI_TYPE_INET, 00079 SND_RAWMIDI_TYPE_VIRTUAL 00080 } snd_rawmidi_type_t; 00081 00082 int snd_rawmidi_open(snd_rawmidi_t **in_rmidi, snd_rawmidi_t **out_rmidi, 00083 const char *name, int mode); 00084 int snd_rawmidi_open_lconf(snd_rawmidi_t **in_rmidi, snd_rawmidi_t **out_rmidi, 00085 const char *name, int mode, snd_config_t *lconf); 00086 int snd_rawmidi_close(snd_rawmidi_t *rmidi); 00087 int snd_rawmidi_poll_descriptors_count(snd_rawmidi_t *rmidi); 00088 int snd_rawmidi_poll_descriptors(snd_rawmidi_t *rmidi, struct pollfd *pfds, unsigned int space); 00089 int snd_rawmidi_poll_descriptors_revents(snd_rawmidi_t *rawmidi, struct pollfd *pfds, unsigned int nfds, unsigned short *revent); 00090 int snd_rawmidi_nonblock(snd_rawmidi_t *rmidi, int nonblock); 00091 size_t snd_rawmidi_info_sizeof(void); 00096 #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) 00097 int snd_rawmidi_info_malloc(snd_rawmidi_info_t **ptr); 00098 void snd_rawmidi_info_free(snd_rawmidi_info_t *obj); 00099 void snd_rawmidi_info_copy(snd_rawmidi_info_t *dst, const snd_rawmidi_info_t *src); 00100 unsigned int snd_rawmidi_info_get_device(const snd_rawmidi_info_t *obj); 00101 unsigned int snd_rawmidi_info_get_subdevice(const snd_rawmidi_info_t *obj); 00102 snd_rawmidi_stream_t snd_rawmidi_info_get_stream(const snd_rawmidi_info_t *obj); 00103 int snd_rawmidi_info_get_card(const snd_rawmidi_info_t *obj); 00104 unsigned int snd_rawmidi_info_get_flags(const snd_rawmidi_info_t *obj); 00105 const char *snd_rawmidi_info_get_id(const snd_rawmidi_info_t *obj); 00106 const char *snd_rawmidi_info_get_name(const snd_rawmidi_info_t *obj); 00107 const char *snd_rawmidi_info_get_subdevice_name(const snd_rawmidi_info_t *obj); 00108 unsigned int snd_rawmidi_info_get_subdevices_count(const snd_rawmidi_info_t *obj); 00109 unsigned int snd_rawmidi_info_get_subdevices_avail(const snd_rawmidi_info_t *obj); 00110 void snd_rawmidi_info_set_device(snd_rawmidi_info_t *obj, unsigned int val); 00111 void snd_rawmidi_info_set_subdevice(snd_rawmidi_info_t *obj, unsigned int val); 00112 void snd_rawmidi_info_set_stream(snd_rawmidi_info_t *obj, snd_rawmidi_stream_t val); 00113 int snd_rawmidi_info(snd_rawmidi_t *rmidi, snd_rawmidi_info_t * info); 00114 size_t snd_rawmidi_params_sizeof(void); 00119 #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) 00120 int snd_rawmidi_params_malloc(snd_rawmidi_params_t **ptr); 00121 void snd_rawmidi_params_free(snd_rawmidi_params_t *obj); 00122 void snd_rawmidi_params_copy(snd_rawmidi_params_t *dst, const snd_rawmidi_params_t *src); 00123 int snd_rawmidi_params_set_buffer_size(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, size_t val); 00124 size_t snd_rawmidi_params_get_buffer_size(const snd_rawmidi_params_t *params); 00125 int snd_rawmidi_params_set_avail_min(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, size_t val); 00126 size_t snd_rawmidi_params_get_avail_min(const snd_rawmidi_params_t *params); 00127 int snd_rawmidi_params_set_no_active_sensing(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, int val); 00128 int snd_rawmidi_params_get_no_active_sensing(const snd_rawmidi_params_t *params); 00129 int snd_rawmidi_params(snd_rawmidi_t *rmidi, snd_rawmidi_params_t * params); 00130 int snd_rawmidi_params_current(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params); 00131 size_t snd_rawmidi_status_sizeof(void); 00136 #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) 00137 int snd_rawmidi_status_malloc(snd_rawmidi_status_t **ptr); 00138 void snd_rawmidi_status_free(snd_rawmidi_status_t *obj); 00139 void snd_rawmidi_status_copy(snd_rawmidi_status_t *dst, const snd_rawmidi_status_t *src); 00140 void snd_rawmidi_status_get_tstamp(const snd_rawmidi_status_t *obj, snd_htimestamp_t *ptr); 00141 size_t snd_rawmidi_status_get_avail(const snd_rawmidi_status_t *obj); 00142 size_t snd_rawmidi_status_get_xruns(const snd_rawmidi_status_t *obj); 00143 int snd_rawmidi_status(snd_rawmidi_t *rmidi, snd_rawmidi_status_t * status); 00144 int snd_rawmidi_drain(snd_rawmidi_t *rmidi); 00145 int snd_rawmidi_drop(snd_rawmidi_t *rmidi); 00146 ssize_t snd_rawmidi_write(snd_rawmidi_t *rmidi, const void *buffer, size_t size); 00147 ssize_t snd_rawmidi_read(snd_rawmidi_t *rmidi, void *buffer, size_t size); 00148 const char *snd_rawmidi_name(snd_rawmidi_t *rmidi); 00149 snd_rawmidi_type_t snd_rawmidi_type(snd_rawmidi_t *rmidi); 00150 snd_rawmidi_stream_t snd_rawmidi_stream(snd_rawmidi_t *rawmidi); 00151 00154 #ifdef __cplusplus 00155 } 00156 #endif 00157 00158 #endif /* __RAWMIDI_H */ 00159

Generated on Thu Sep 30 04:13:33 2004 for ALSA project - the C library reference by doxygen 1.3.7