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rawmidi.h

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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
00078 } snd_rawmidi_type_t;
00079 
00080 int snd_rawmidi_open(snd_rawmidi_t **in_rmidi, snd_rawmidi_t **out_rmidi,
00081                      const char *name, int mode);
00082 int snd_rawmidi_open_lconf(snd_rawmidi_t **in_rmidi, snd_rawmidi_t **out_rmidi,
00083                            const char *name, int mode, snd_config_t *lconf);
00084 int snd_rawmidi_close(snd_rawmidi_t *rmidi);
00085 int snd_rawmidi_poll_descriptors_count(snd_rawmidi_t *rmidi);
00086 int snd_rawmidi_poll_descriptors(snd_rawmidi_t *rmidi, struct pollfd *pfds, unsigned int space);
00087 int snd_rawmidi_poll_descriptors_revents(snd_rawmidi_t *rawmidi, struct pollfd *pfds, unsigned int nfds, unsigned short *revent);
00088 int snd_rawmidi_nonblock(snd_rawmidi_t *rmidi, int nonblock);
00089 size_t snd_rawmidi_info_sizeof(void);
00094 #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)
00095 int snd_rawmidi_info_malloc(snd_rawmidi_info_t **ptr);
00096 void snd_rawmidi_info_free(snd_rawmidi_info_t *obj);
00097 void snd_rawmidi_info_copy(snd_rawmidi_info_t *dst, const snd_rawmidi_info_t *src);
00098 unsigned int snd_rawmidi_info_get_device(const snd_rawmidi_info_t *obj);
00099 unsigned int snd_rawmidi_info_get_subdevice(const snd_rawmidi_info_t *obj);
00100 snd_rawmidi_stream_t snd_rawmidi_info_get_stream(const snd_rawmidi_info_t *obj);
00101 int snd_rawmidi_info_get_card(const snd_rawmidi_info_t *obj);
00102 unsigned int snd_rawmidi_info_get_flags(const snd_rawmidi_info_t *obj);
00103 const char *snd_rawmidi_info_get_id(const snd_rawmidi_info_t *obj);
00104 const char *snd_rawmidi_info_get_name(const snd_rawmidi_info_t *obj);
00105 const char *snd_rawmidi_info_get_subdevice_name(const snd_rawmidi_info_t *obj);
00106 unsigned int snd_rawmidi_info_get_subdevices_count(const snd_rawmidi_info_t *obj);
00107 unsigned int snd_rawmidi_info_get_subdevices_avail(const snd_rawmidi_info_t *obj);
00108 void snd_rawmidi_info_set_device(snd_rawmidi_info_t *obj, unsigned int val);
00109 void snd_rawmidi_info_set_subdevice(snd_rawmidi_info_t *obj, unsigned int val);
00110 void snd_rawmidi_info_set_stream(snd_rawmidi_info_t *obj, snd_rawmidi_stream_t val);
00111 int snd_rawmidi_info(snd_rawmidi_t *rmidi, snd_rawmidi_info_t * info);
00112 size_t snd_rawmidi_params_sizeof(void);
00117 #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)
00118 int snd_rawmidi_params_malloc(snd_rawmidi_params_t **ptr);
00119 void snd_rawmidi_params_free(snd_rawmidi_params_t *obj);
00120 void snd_rawmidi_params_copy(snd_rawmidi_params_t *dst, const snd_rawmidi_params_t *src);
00121 int snd_rawmidi_params_set_buffer_size(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, size_t val);
00122 size_t snd_rawmidi_params_get_buffer_size(const snd_rawmidi_params_t *params);
00123 int snd_rawmidi_params_set_avail_min(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, size_t val);
00124 size_t snd_rawmidi_params_get_avail_min(const snd_rawmidi_params_t *params);
00125 int snd_rawmidi_params_set_no_active_sensing(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, int val);
00126 int snd_rawmidi_params_get_no_active_sensing(const snd_rawmidi_params_t *params);
00127 int snd_rawmidi_params(snd_rawmidi_t *rmidi, snd_rawmidi_params_t * params);
00128 int snd_rawmidi_params_current(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params);
00129 size_t snd_rawmidi_status_sizeof(void);
00134 #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)
00135 int snd_rawmidi_status_malloc(snd_rawmidi_status_t **ptr);
00136 void snd_rawmidi_status_free(snd_rawmidi_status_t *obj);
00137 void snd_rawmidi_status_copy(snd_rawmidi_status_t *dst, const snd_rawmidi_status_t *src);
00138 void snd_rawmidi_status_get_tstamp(const snd_rawmidi_status_t *obj, snd_timestamp_t *ptr);
00139 size_t snd_rawmidi_status_get_avail(const snd_rawmidi_status_t *obj);
00140 size_t snd_rawmidi_status_get_xruns(const snd_rawmidi_status_t *obj);
00141 int snd_rawmidi_status(snd_rawmidi_t *rmidi, snd_rawmidi_status_t * status);
00142 int snd_rawmidi_drain(snd_rawmidi_t *rmidi);
00143 int snd_rawmidi_drop(snd_rawmidi_t *rmidi);
00144 ssize_t snd_rawmidi_write(snd_rawmidi_t *rmidi, const void *buffer, size_t size);
00145 ssize_t snd_rawmidi_read(snd_rawmidi_t *rmidi, void *buffer, size_t size);
00146 const char *snd_rawmidi_name(snd_rawmidi_t *rmidi);
00147 snd_rawmidi_type_t snd_rawmidi_type(snd_rawmidi_t *rmidi);
00148 snd_rawmidi_stream_t snd_rawmidi_stream(snd_rawmidi_t *rawmidi);
00149 
00152 #ifdef __cplusplus
00153 }
00154 #endif
00155 
00156 #endif /* __RAWMIDI_H */
00157 

Generated on Thu Oct 24 15:14:53 2002 for ALSA project - the C library reference by doxygen1.2.14 written by Dimitri van Heesch, © 1997-2002