/builddir/build/BUILD/alsa-lib-1.0.14rc3/include/rawmidi.h

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00001 
00011 /*
00012  *   This library is free software; you can redistribute it and/or modify
00013  *   it under the terms of the GNU Lesser General Public License as
00014  *   published by the Free Software Foundation; either version 2.1 of
00015  *   the License, or (at your option) any later version.
00016  *
00017  *   This program is distributed in the hope that it will be useful,
00018  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00019  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00020  *   GNU Lesser General Public License for more details.
00021  *
00022  *   You should have received a copy of the GNU Lesser General Public
00023  *   License along with this library; if not, write to the Free Software
00024  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00025  *
00026  */
00027 
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 

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