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seq.h

00001 
00009 /*
00010  * Application interface library for the ALSA driver
00011  *
00012  *
00013  *   This library is free software; you can redistribute it and/or modify
00014  *   it under the terms of the GNU Lesser General Public License as
00015  *   published by the Free Software Foundation; either version 2.1 of
00016  *   the License, or (at your option) any later version.
00017  *
00018  *   This program is distributed in the hope that it will be useful,
00019  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00020  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00021  *   GNU Lesser General Public License for more details.
00022  *
00023  *   You should have received a copy of the GNU Lesser General Public
00024  *   License along with this library; if not, write to the Free Software
00025  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00026  *
00027  */
00028 
00029 #ifndef __ALSA_SEQ_H
00030 #define __ALSA_SEQ_H
00031 
00032 #ifdef __cplusplus
00033 extern "C" {
00034 #endif
00035 
00044 #define SND_SEQ_DLSYM_VERSION           _dlsym_seq_001
00045 
00047 typedef struct _snd_seq snd_seq_t;
00048 
00049 #ifndef DOC_HIDDEN
00050 #define SND_ALLOCA(type,ptr) \
00051 do {\
00052         assert(ptr);\
00053         *ptr = (type##_t *)alloca(type##_sizeof());\
00054         memset(*ptr, 0, type##_sizeof());\
00055 } while (0)
00056 #endif
00057 
00061 #define SND_SEQ_OPEN_OUTPUT     1       
00062 #define SND_SEQ_OPEN_INPUT      2       
00063 #define SND_SEQ_OPEN_DUPLEX     (SND_SEQ_OPEN_OUTPUT|SND_SEQ_OPEN_INPUT)        
00068 #define SND_SEQ_NONBLOCK        0x0001  
00071 typedef enum _snd_seq_type {
00072         SND_SEQ_TYPE_HW,                
00073         SND_SEQ_TYPE_SHM,               
00074         SND_SEQ_TYPE_INET               
00075 } snd_seq_type_t;
00076 
00078 #define SND_SEQ_ADDRESS_UNKNOWN         253     
00079 #define SND_SEQ_ADDRESS_SUBSCRIBERS     254     
00080 #define SND_SEQ_ADDRESS_BROADCAST       255     
00083 #define SND_SEQ_CLIENT_SYSTEM           0       
00084 #define SND_SEQ_CLIENT_DUMMY            62      
00085 #define SND_SEQ_CLIENT_OSS              63      
00087 /*
00088  */
00089 int snd_seq_open(snd_seq_t **handle, const char *name, int streams, int mode);
00090 int snd_seq_open_lconf(snd_seq_t **handle, const char *name, int streams, int mode, snd_config_t *lconf);
00091 const char *snd_seq_name(snd_seq_t *seq);
00092 snd_seq_type_t snd_seq_type(snd_seq_t *seq);
00093 int snd_seq_close(snd_seq_t *handle);
00094 int snd_seq_poll_descriptors_count(snd_seq_t *handle, short events);
00095 int snd_seq_poll_descriptors(snd_seq_t *handle, struct pollfd *pfds, unsigned int space, short events);
00096 int snd_seq_poll_descriptors_revents(snd_seq_t *seq, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
00097 int snd_seq_nonblock(snd_seq_t *handle, int nonblock);
00098 int snd_seq_client_id(snd_seq_t *handle);
00099 
00100 size_t snd_seq_get_output_buffer_size(snd_seq_t *handle);
00101 size_t snd_seq_get_input_buffer_size(snd_seq_t *handle);
00102 int snd_seq_set_output_buffer_size(snd_seq_t *handle, size_t size);
00103 int snd_seq_set_input_buffer_size(snd_seq_t *handle, size_t size);
00104 
00106 typedef struct _snd_seq_system_info snd_seq_system_info_t;
00107 
00108 size_t snd_seq_system_info_sizeof(void);
00110 #define snd_seq_system_info_alloca(ptr) \
00111         SND_ALLOCA(snd_seq_system_info, ptr)
00112 int snd_seq_system_info_malloc(snd_seq_system_info_t **ptr);
00113 void snd_seq_system_info_free(snd_seq_system_info_t *ptr);
00114 void snd_seq_system_info_copy(snd_seq_system_info_t *dst, const snd_seq_system_info_t *src);
00115 
00116 int snd_seq_system_info_get_queues(const snd_seq_system_info_t *info);
00117 int snd_seq_system_info_get_clients(const snd_seq_system_info_t *info);
00118 int snd_seq_system_info_get_ports(const snd_seq_system_info_t *info);
00119 int snd_seq_system_info_get_channels(const snd_seq_system_info_t *info);
00120 int snd_seq_system_info_get_cur_clients(const snd_seq_system_info_t *info);
00121 int snd_seq_system_info_get_cur_queues(const snd_seq_system_info_t *info);
00122 
00123 int snd_seq_system_info(snd_seq_t *handle, snd_seq_system_info_t *info);
00124 
00136 typedef struct _snd_seq_client_info snd_seq_client_info_t;
00137 
00139 typedef enum snd_seq_client_type {
00140         SND_SEQ_USER_CLIENT     = 1,    
00141         SND_SEQ_KERNEL_CLIENT   = 2     
00142 } snd_seq_client_type_t;
00143                         
00144 size_t snd_seq_client_info_sizeof(void);
00146 #define snd_seq_client_info_alloca(ptr) \
00147         SND_ALLOCA(snd_seq_client_info, ptr)
00148 int snd_seq_client_info_malloc(snd_seq_client_info_t **ptr);
00149 void snd_seq_client_info_free(snd_seq_client_info_t *ptr);
00150 void snd_seq_client_info_copy(snd_seq_client_info_t *dst, const snd_seq_client_info_t *src);
00151 
00152 int snd_seq_client_info_get_client(const snd_seq_client_info_t *info);
00153 snd_seq_client_type_t snd_seq_client_info_get_type(const snd_seq_client_info_t *info);
00154 const char *snd_seq_client_info_get_name(snd_seq_client_info_t *info);
00155 int snd_seq_client_info_get_broadcast_filter(const snd_seq_client_info_t *info);
00156 int snd_seq_client_info_get_error_bounce(const snd_seq_client_info_t *info);
00157 const unsigned char *snd_seq_client_info_get_event_filter(const snd_seq_client_info_t *info);
00158 int snd_seq_client_info_get_num_ports(const snd_seq_client_info_t *info);
00159 int snd_seq_client_info_get_event_lost(const snd_seq_client_info_t *info);
00160 
00161 void snd_seq_client_info_set_client(snd_seq_client_info_t *info, int client);
00162 void snd_seq_client_info_set_name(snd_seq_client_info_t *info, const char *name);
00163 void snd_seq_client_info_set_broadcast_filter(snd_seq_client_info_t *info, int val);
00164 void snd_seq_client_info_set_error_bounce(snd_seq_client_info_t *info, int val);
00165 void snd_seq_client_info_set_event_filter(snd_seq_client_info_t *info, unsigned char *filter);
00166 
00167 int snd_seq_get_client_info(snd_seq_t *handle, snd_seq_client_info_t *info);
00168 int snd_seq_get_any_client_info(snd_seq_t *handle, int client, snd_seq_client_info_t *info);
00169 int snd_seq_set_client_info(snd_seq_t *handle, snd_seq_client_info_t *info);
00170 int snd_seq_query_next_client(snd_seq_t *handle, snd_seq_client_info_t *info);
00171 
00172 /*
00173  */
00174 
00176 typedef struct _snd_seq_client_pool snd_seq_client_pool_t;
00177 
00178 size_t snd_seq_client_pool_sizeof(void);
00180 #define snd_seq_client_pool_alloca(ptr) \
00181         SND_ALLOCA(snd_seq_client_pool, ptr)
00182 int snd_seq_client_pool_malloc(snd_seq_client_pool_t **ptr);
00183 void snd_seq_client_pool_free(snd_seq_client_pool_t *ptr);
00184 void snd_seq_client_pool_copy(snd_seq_client_pool_t *dst, const snd_seq_client_pool_t *src);
00185 
00186 int snd_seq_client_pool_get_client(const snd_seq_client_pool_t *info);
00187 size_t snd_seq_client_pool_get_output_pool(const snd_seq_client_pool_t *info);
00188 size_t snd_seq_client_pool_get_input_pool(const snd_seq_client_pool_t *info);
00189 size_t snd_seq_client_pool_get_output_room(const snd_seq_client_pool_t *info);
00190 size_t snd_seq_client_pool_get_output_free(const snd_seq_client_pool_t *info);
00191 size_t snd_seq_client_pool_get_input_free(const snd_seq_client_pool_t *info);
00192 void snd_seq_client_pool_set_output_pool(snd_seq_client_pool_t *info, size_t size);
00193 void snd_seq_client_pool_set_input_pool(snd_seq_client_pool_t *info, size_t size);
00194 void snd_seq_client_pool_set_output_room(snd_seq_client_pool_t *info, size_t size);
00195 
00196 int snd_seq_get_client_pool(snd_seq_t *handle, snd_seq_client_pool_t *info);
00197 int snd_seq_set_client_pool(snd_seq_t *handle, snd_seq_client_pool_t *info);
00198 
00199 
00211 typedef struct _snd_seq_port_info snd_seq_port_info_t;
00212 
00214 #define SND_SEQ_PORT_SYSTEM_TIMER       0       
00215 #define SND_SEQ_PORT_SYSTEM_ANNOUNCE    1       
00218 #define SND_SEQ_PORT_CAP_READ           (1<<0)  
00219 #define SND_SEQ_PORT_CAP_WRITE          (1<<1)  
00221 #define SND_SEQ_PORT_CAP_SYNC_READ      (1<<2)  
00222 #define SND_SEQ_PORT_CAP_SYNC_WRITE     (1<<3)  
00224 #define SND_SEQ_PORT_CAP_DUPLEX         (1<<4)  
00226 #define SND_SEQ_PORT_CAP_SUBS_READ      (1<<5)  
00227 #define SND_SEQ_PORT_CAP_SUBS_WRITE     (1<<6)  
00228 #define SND_SEQ_PORT_CAP_NO_EXPORT      (1<<7)  
00231 #define SND_SEQ_PORT_TYPE_SPECIFIC      (1<<0)  
00232 #define SND_SEQ_PORT_TYPE_MIDI_GENERIC  (1<<1)  
00233 #define SND_SEQ_PORT_TYPE_MIDI_GM       (1<<2)  
00234 #define SND_SEQ_PORT_TYPE_MIDI_GS       (1<<3)  
00235 #define SND_SEQ_PORT_TYPE_MIDI_XG       (1<<4)  
00236 #define SND_SEQ_PORT_TYPE_MIDI_MT32     (1<<5)  
00237 #define SND_SEQ_PORT_TYPE_SYNTH         (1<<10) 
00238 #define SND_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) 
00239 #define SND_SEQ_PORT_TYPE_SAMPLE        (1<<12) 
00240 #define SND_SEQ_PORT_TYPE_APPLICATION   (1<<20) 
00243 size_t snd_seq_port_info_sizeof(void);
00244 
00245 #define snd_seq_port_info_alloca(ptr) \
00246         SND_ALLOCA(snd_seq_port_info, ptr)
00247 int snd_seq_port_info_malloc(snd_seq_port_info_t **ptr);
00248 void snd_seq_port_info_free(snd_seq_port_info_t *ptr);
00249 void snd_seq_port_info_copy(snd_seq_port_info_t *dst, const snd_seq_port_info_t *src);
00250 
00251 int snd_seq_port_info_get_client(const snd_seq_port_info_t *info);
00252 int snd_seq_port_info_get_port(const snd_seq_port_info_t *info);
00253 const snd_seq_addr_t *snd_seq_port_info_get_addr(const snd_seq_port_info_t *info);
00254 const char *snd_seq_port_info_get_name(const snd_seq_port_info_t *info);
00255 unsigned int snd_seq_port_info_get_capability(const snd_seq_port_info_t *info);
00256 unsigned int snd_seq_port_info_get_type(const snd_seq_port_info_t *info);
00257 int snd_seq_port_info_get_midi_channels(const snd_seq_port_info_t *info);
00258 int snd_seq_port_info_get_midi_voices(const snd_seq_port_info_t *info);
00259 int snd_seq_port_info_get_synth_voices(const snd_seq_port_info_t *info);
00260 int snd_seq_port_info_get_read_use(const snd_seq_port_info_t *info);
00261 int snd_seq_port_info_get_write_use(const snd_seq_port_info_t *info);
00262 int snd_seq_port_info_get_port_specified(const snd_seq_port_info_t *info);
00263 int snd_seq_port_info_get_timestamping(const snd_seq_port_info_t *info);
00264 int snd_seq_port_info_get_timestamp_real(const snd_seq_port_info_t *info);
00265 int snd_seq_port_info_get_timestamp_queue(const snd_seq_port_info_t *info);
00266 
00267 void snd_seq_port_info_set_client(snd_seq_port_info_t *info, int client);
00268 void snd_seq_port_info_set_port(snd_seq_port_info_t *info, int port);
00269 void snd_seq_port_info_set_addr(snd_seq_port_info_t *info, const snd_seq_addr_t *addr);
00270 void snd_seq_port_info_set_name(snd_seq_port_info_t *info, const char *name);
00271 void snd_seq_port_info_set_capability(snd_seq_port_info_t *info, unsigned int capability);
00272 void snd_seq_port_info_set_type(snd_seq_port_info_t *info, unsigned int type);
00273 void snd_seq_port_info_set_midi_channels(snd_seq_port_info_t *info, int channels);
00274 void snd_seq_port_info_set_midi_voices(snd_seq_port_info_t *info, int voices);
00275 void snd_seq_port_info_set_synth_voices(snd_seq_port_info_t *info, int voices);
00276 void snd_seq_port_info_set_port_specified(snd_seq_port_info_t *info, int val);
00277 void snd_seq_port_info_set_timestamping(snd_seq_port_info_t *info, int enable);
00278 void snd_seq_port_info_set_timestamp_real(snd_seq_port_info_t *info, int realtime);
00279 void snd_seq_port_info_set_timestamp_queue(snd_seq_port_info_t *info, int queue);
00280 
00281 int snd_seq_create_port(snd_seq_t *handle, snd_seq_port_info_t *info);
00282 int snd_seq_delete_port(snd_seq_t *handle, int port);
00283 int snd_seq_get_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info);
00284 int snd_seq_get_any_port_info(snd_seq_t *handle, int client, int port, snd_seq_port_info_t *info);
00285 int snd_seq_set_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info);
00286 int snd_seq_query_next_port(snd_seq_t *handle, snd_seq_port_info_t *info);
00287 
00299 typedef struct _snd_seq_port_subscribe snd_seq_port_subscribe_t;
00300 
00301 size_t snd_seq_port_subscribe_sizeof(void);
00303 #define snd_seq_port_subscribe_alloca(ptr) \
00304         SND_ALLOCA(snd_seq_port_subscribe, ptr)
00305 int snd_seq_port_subscribe_malloc(snd_seq_port_subscribe_t **ptr);
00306 void snd_seq_port_subscribe_free(snd_seq_port_subscribe_t *ptr);
00307 void snd_seq_port_subscribe_copy(snd_seq_port_subscribe_t *dst, const snd_seq_port_subscribe_t *src);
00308 
00309 const snd_seq_addr_t *snd_seq_port_subscribe_get_sender(const snd_seq_port_subscribe_t *info);
00310 const snd_seq_addr_t *snd_seq_port_subscribe_get_dest(const snd_seq_port_subscribe_t *info);
00311 int snd_seq_port_subscribe_get_queue(const snd_seq_port_subscribe_t *info);
00312 int snd_seq_port_subscribe_get_exclusive(const snd_seq_port_subscribe_t *info);
00313 int snd_seq_port_subscribe_get_time_update(const snd_seq_port_subscribe_t *info);
00314 int snd_seq_port_subscribe_get_time_real(const snd_seq_port_subscribe_t *info);
00315 
00316 void snd_seq_port_subscribe_set_sender(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr);
00317 void snd_seq_port_subscribe_set_dest(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr);
00318 void snd_seq_port_subscribe_set_queue(snd_seq_port_subscribe_t *info, int q);
00319 void snd_seq_port_subscribe_set_exclusive(snd_seq_port_subscribe_t *info, int val);
00320 void snd_seq_port_subscribe_set_time_update(snd_seq_port_subscribe_t *info, int val);
00321 void snd_seq_port_subscribe_set_time_real(snd_seq_port_subscribe_t *info, int val);
00322 
00323 int snd_seq_get_port_subscription(snd_seq_t *handle, snd_seq_port_subscribe_t *sub);
00324 int snd_seq_subscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub);
00325 int snd_seq_unsubscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub);
00326 
00327 /*
00328  */
00329 
00331 typedef struct _snd_seq_query_subscribe snd_seq_query_subscribe_t;
00332 
00334 typedef enum {
00335         SND_SEQ_QUERY_SUBS_READ,        
00336         SND_SEQ_QUERY_SUBS_WRITE        
00337 } snd_seq_query_subs_type_t;
00338 
00339 size_t snd_seq_query_subscribe_sizeof(void);
00341 #define snd_seq_query_subscribe_alloca(ptr) \
00342         SND_ALLOCA(snd_seq_query_subscribe, ptr)
00343 int snd_seq_query_subscribe_malloc(snd_seq_query_subscribe_t **ptr);
00344 void snd_seq_query_subscribe_free(snd_seq_query_subscribe_t *ptr);
00345 void snd_seq_query_subscribe_copy(snd_seq_query_subscribe_t *dst, const snd_seq_query_subscribe_t *src);
00346 
00347 int snd_seq_query_subscribe_get_client(const snd_seq_query_subscribe_t *info);
00348 int snd_seq_query_subscribe_get_port(const snd_seq_query_subscribe_t *info);
00349 const snd_seq_addr_t *snd_seq_query_subscribe_get_root(const snd_seq_query_subscribe_t *info);
00350 snd_seq_query_subs_type_t snd_seq_query_subscribe_get_type(const snd_seq_query_subscribe_t *info);
00351 int snd_seq_query_subscribe_get_index(const snd_seq_query_subscribe_t *info);
00352 int snd_seq_query_subscribe_get_num_subs(const snd_seq_query_subscribe_t *info);
00353 const snd_seq_addr_t *snd_seq_query_subscribe_get_addr(const snd_seq_query_subscribe_t *info);
00354 int snd_seq_query_subscribe_get_queue(const snd_seq_query_subscribe_t *info);
00355 int snd_seq_query_subscribe_get_exclusive(const snd_seq_query_subscribe_t *info);
00356 int snd_seq_query_subscribe_get_time_update(const snd_seq_query_subscribe_t *info);
00357 int snd_seq_query_subscribe_get_time_real(const snd_seq_query_subscribe_t *info);
00358 
00359 void snd_seq_query_subscribe_set_client(snd_seq_query_subscribe_t *info, int client);
00360 void snd_seq_query_subscribe_set_port(snd_seq_query_subscribe_t *info, int port);
00361 void snd_seq_query_subscribe_set_root(snd_seq_query_subscribe_t *info, const snd_seq_addr_t *addr);
00362 void snd_seq_query_subscribe_set_type(snd_seq_query_subscribe_t *info, snd_seq_query_subs_type_t type);
00363 void snd_seq_query_subscribe_set_index(snd_seq_query_subscribe_t *info, int index);
00364 
00365 int snd_seq_query_port_subscribers(snd_seq_t *seq, snd_seq_query_subscribe_t * subs);
00366 
00378 typedef struct _snd_seq_queue_info snd_seq_queue_info_t;
00380 typedef struct _snd_seq_queue_status snd_seq_queue_status_t;
00382 typedef struct _snd_seq_queue_tempo snd_seq_queue_tempo_t;
00384 typedef struct _snd_seq_queue_timer snd_seq_queue_timer_t;
00385 
00387 #define SND_SEQ_QUEUE_DIRECT            253     
00389 size_t snd_seq_queue_info_sizeof(void);
00390 
00391 #define snd_seq_queue_info_alloca(ptr) \
00392         SND_ALLOCA(snd_seq_queue_info, ptr)
00393 int snd_seq_queue_info_malloc(snd_seq_queue_info_t **ptr);
00394 void snd_seq_queue_info_free(snd_seq_queue_info_t *ptr);
00395 void snd_seq_queue_info_copy(snd_seq_queue_info_t *dst, const snd_seq_queue_info_t *src);
00396 
00397 int snd_seq_queue_info_get_queue(const snd_seq_queue_info_t *info);
00398 const char *snd_seq_queue_info_get_name(const snd_seq_queue_info_t *info);
00399 int snd_seq_queue_info_get_owner(const snd_seq_queue_info_t *info);
00400 int snd_seq_queue_info_get_locked(const snd_seq_queue_info_t *info);
00401 unsigned int snd_seq_queue_info_get_flags(const snd_seq_queue_info_t *info);
00402 
00403 void snd_seq_queue_info_set_name(snd_seq_queue_info_t *info, const char *name);
00404 void snd_seq_queue_info_set_owner(snd_seq_queue_info_t *info, int owner);
00405 void snd_seq_queue_info_set_locked(snd_seq_queue_info_t *info, int locked);
00406 void snd_seq_queue_info_set_flags(snd_seq_queue_info_t *info, unsigned int flags);
00407 
00408 int snd_seq_create_queue(snd_seq_t *seq, snd_seq_queue_info_t *info);
00409 int snd_seq_alloc_named_queue(snd_seq_t *seq, const char *name);
00410 int snd_seq_alloc_queue(snd_seq_t *handle);
00411 int snd_seq_free_queue(snd_seq_t *handle, int q);
00412 int snd_seq_get_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info);
00413 int snd_seq_set_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info);
00414 int snd_seq_query_named_queue(snd_seq_t *seq, const char *name);
00415 
00416 int snd_seq_get_queue_usage(snd_seq_t *handle, int q);
00417 int snd_seq_set_queue_usage(snd_seq_t *handle, int q, int used);
00418 
00419 /*
00420  */
00421 size_t snd_seq_queue_status_sizeof(void);
00423 #define snd_seq_queue_status_alloca(ptr) \
00424         SND_ALLOCA(snd_seq_queue_status, ptr)
00425 int snd_seq_queue_status_malloc(snd_seq_queue_status_t **ptr);
00426 void snd_seq_queue_status_free(snd_seq_queue_status_t *ptr);
00427 void snd_seq_queue_status_copy(snd_seq_queue_status_t *dst, const snd_seq_queue_status_t *src);
00428 
00429 int snd_seq_queue_status_get_queue(const snd_seq_queue_status_t *info);
00430 int snd_seq_queue_status_get_events(const snd_seq_queue_status_t *info);
00431 snd_seq_tick_time_t snd_seq_queue_status_get_tick_time(const snd_seq_queue_status_t *info);
00432 const snd_seq_real_time_t *snd_seq_queue_status_get_real_time(const snd_seq_queue_status_t *info);
00433 unsigned int snd_seq_queue_status_get_status(const snd_seq_queue_status_t *info);
00434 
00435 int snd_seq_get_queue_status(snd_seq_t *handle, int q, snd_seq_queue_status_t *status);
00436 
00437 /*
00438  */
00439 size_t snd_seq_queue_tempo_sizeof(void);
00441 #define snd_seq_queue_tempo_alloca(ptr) \
00442         SND_ALLOCA(snd_seq_queue_tempo, ptr)
00443 int snd_seq_queue_tempo_malloc(snd_seq_queue_tempo_t **ptr);
00444 void snd_seq_queue_tempo_free(snd_seq_queue_tempo_t *ptr);
00445 void snd_seq_queue_tempo_copy(snd_seq_queue_tempo_t *dst, const snd_seq_queue_tempo_t *src);
00446 
00447 int snd_seq_queue_tempo_get_queue(const snd_seq_queue_tempo_t *info);
00448 unsigned int snd_seq_queue_tempo_get_tempo(const snd_seq_queue_tempo_t *info);
00449 int snd_seq_queue_tempo_get_ppq(const snd_seq_queue_tempo_t *info);
00450 unsigned int snd_seq_queue_tempo_get_skew(const snd_seq_queue_tempo_t *info);
00451 unsigned int snd_seq_queue_tempo_get_skew_base(const snd_seq_queue_tempo_t *info);
00452 void snd_seq_queue_tempo_set_tempo(snd_seq_queue_tempo_t *info, unsigned int tempo);
00453 void snd_seq_queue_tempo_set_ppq(snd_seq_queue_tempo_t *info, int ppq);
00454 void snd_seq_queue_tempo_set_skew(snd_seq_queue_tempo_t *info, unsigned int skew);
00455 void snd_seq_queue_tempo_set_skew_base(snd_seq_queue_tempo_t *info, unsigned int base);
00456 
00457 int snd_seq_get_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo);
00458 int snd_seq_set_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo);
00459 
00460 /*
00461  */
00462 
00464 typedef enum {
00465         SND_SEQ_TIMER_ALSA = 0,         /* ALSA timer */
00466         SND_SEQ_TIMER_MIDI_CLOCK = 1,   /* Midi Clock (CLOCK event) */
00467         SND_SEQ_TIMER_MIDI_TICK = 2     /* Midi Timer Tick (TICK event */
00468 } snd_seq_queue_timer_type_t;
00469 
00470 size_t snd_seq_queue_timer_sizeof(void);
00472 #define snd_seq_queue_timer_alloca(ptr) \
00473         SND_ALLOCA(snd_seq_queue_timer, ptr)
00474 int snd_seq_queue_timer_malloc(snd_seq_queue_timer_t **ptr);
00475 void snd_seq_queue_timer_free(snd_seq_queue_timer_t *ptr);
00476 void snd_seq_queue_timer_copy(snd_seq_queue_timer_t *dst, const snd_seq_queue_timer_t *src);
00477 
00478 int snd_seq_queue_timer_get_queue(const snd_seq_queue_timer_t *info);
00479 snd_seq_queue_timer_type_t snd_seq_queue_timer_get_type(const snd_seq_queue_timer_t *info);
00480 const snd_timer_id_t *snd_seq_queue_timer_get_id(const snd_seq_queue_timer_t *info);
00481 unsigned int snd_seq_queue_timer_get_resolution(const snd_seq_queue_timer_t *info);
00482 
00483 void snd_seq_queue_timer_set_type(snd_seq_queue_timer_t *info, snd_seq_queue_timer_type_t type);
00484 void snd_seq_queue_timer_set_id(snd_seq_queue_timer_t *info, const snd_timer_id_t *id);
00485 void snd_seq_queue_timer_set_resolution(snd_seq_queue_timer_t *info, unsigned int resolution);
00486 
00487 int snd_seq_get_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer);
00488 int snd_seq_set_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer);
00489 
00499 int snd_seq_free_event(snd_seq_event_t *ev);
00500 ssize_t snd_seq_event_length(snd_seq_event_t *ev);
00501 int snd_seq_event_output(snd_seq_t *handle, snd_seq_event_t *ev);
00502 int snd_seq_event_output_buffer(snd_seq_t *handle, snd_seq_event_t *ev);
00503 int snd_seq_event_output_direct(snd_seq_t *handle, snd_seq_event_t *ev);
00504 int snd_seq_event_input(snd_seq_t *handle, snd_seq_event_t **ev);
00505 int snd_seq_event_input_pending(snd_seq_t *seq, int fetch_sequencer);
00506 int snd_seq_drain_output(snd_seq_t *handle);
00507 int snd_seq_event_output_pending(snd_seq_t *seq);
00508 int snd_seq_extract_output(snd_seq_t *handle, snd_seq_event_t **ev);
00509 int snd_seq_drop_output(snd_seq_t *handle);
00510 int snd_seq_drop_output_buffer(snd_seq_t *handle);
00511 int snd_seq_drop_input(snd_seq_t *handle);
00512 int snd_seq_drop_input_buffer(snd_seq_t *handle);
00513 
00515 typedef struct _snd_seq_remove_events snd_seq_remove_events_t;
00516 
00518 #define SND_SEQ_REMOVE_INPUT            (1<<0)  
00519 #define SND_SEQ_REMOVE_OUTPUT           (1<<1)  
00520 #define SND_SEQ_REMOVE_DEST             (1<<2)  
00521 #define SND_SEQ_REMOVE_DEST_CHANNEL     (1<<3)  
00522 #define SND_SEQ_REMOVE_TIME_BEFORE      (1<<4)  
00523 #define SND_SEQ_REMOVE_TIME_AFTER       (1<<5)  
00524 #define SND_SEQ_REMOVE_TIME_TICK        (1<<6)  
00525 #define SND_SEQ_REMOVE_EVENT_TYPE       (1<<7)  
00526 #define SND_SEQ_REMOVE_IGNORE_OFF       (1<<8)  
00527 #define SND_SEQ_REMOVE_TAG_MATCH        (1<<9)  
00529 size_t snd_seq_remove_events_sizeof(void);
00530 
00531 #define snd_seq_remove_events_alloca(ptr) \
00532         SND_ALLOCA(snd_seq_remove_events, ptr)
00533 int snd_seq_remove_events_malloc(snd_seq_remove_events_t **ptr);
00534 void snd_seq_remove_events_free(snd_seq_remove_events_t *ptr);
00535 void snd_seq_remove_events_copy(snd_seq_remove_events_t *dst, const snd_seq_remove_events_t *src);
00536 
00537 unsigned int snd_seq_remove_events_get_condition(const snd_seq_remove_events_t *info);
00538 int snd_seq_remove_events_get_queue(const snd_seq_remove_events_t *info);
00539 const snd_seq_timestamp_t *snd_seq_remove_events_get_time(const snd_seq_remove_events_t *info);
00540 const snd_seq_addr_t *snd_seq_remove_events_get_dest(const snd_seq_remove_events_t *info);
00541 int snd_seq_remove_events_get_channel(const snd_seq_remove_events_t *info);
00542 int snd_seq_remove_events_get_event_type(const snd_seq_remove_events_t *info);
00543 int snd_seq_remove_events_get_tag(const snd_seq_remove_events_t *info);
00544 
00545 void snd_seq_remove_events_set_condition(snd_seq_remove_events_t *info, unsigned int flags);
00546 void snd_seq_remove_events_set_queue(snd_seq_remove_events_t *info, int queue);
00547 void snd_seq_remove_events_set_time(snd_seq_remove_events_t *info, const snd_seq_timestamp_t *time);
00548 void snd_seq_remove_events_set_dest(snd_seq_remove_events_t *info, const snd_seq_addr_t *addr);
00549 void snd_seq_remove_events_set_channel(snd_seq_remove_events_t *info, int channel);
00550 void snd_seq_remove_events_set_event_type(snd_seq_remove_events_t *info, int type);
00551 void snd_seq_remove_events_set_tag(snd_seq_remove_events_t *info, int tag);
00552 
00553 int snd_seq_remove_events(snd_seq_t *handle, snd_seq_remove_events_t *info);
00554 
00564 void snd_seq_set_bit(int nr, void *array);
00565 int snd_seq_change_bit(int nr, void *array);
00566 int snd_seq_get_bit(int nr, void *array);
00567 
00578 /* event type macros */
00579 enum {
00580         SND_SEQ_EVFLG_RESULT,
00581         SND_SEQ_EVFLG_NOTE,
00582         SND_SEQ_EVFLG_CONTROL,
00583         SND_SEQ_EVFLG_QUEUE,
00584         SND_SEQ_EVFLG_SYSTEM,
00585         SND_SEQ_EVFLG_MESSAGE,
00586         SND_SEQ_EVFLG_CONNECTION,
00587         SND_SEQ_EVFLG_SAMPLE,
00588         SND_SEQ_EVFLG_USERS,
00589         SND_SEQ_EVFLG_INSTR,
00590         SND_SEQ_EVFLG_QUOTE,
00591         SND_SEQ_EVFLG_NONE,
00592         SND_SEQ_EVFLG_RAW,
00593         SND_SEQ_EVFLG_FIXED,
00594         SND_SEQ_EVFLG_VARIABLE,
00595         SND_SEQ_EVFLG_VARUSR
00596 };
00597 
00598 enum {
00599         SND_SEQ_EVFLG_NOTE_ONEARG,
00600         SND_SEQ_EVFLG_NOTE_TWOARG
00601 };
00602 
00603 enum {
00604         SND_SEQ_EVFLG_QUEUE_NOARG,
00605         SND_SEQ_EVFLG_QUEUE_TICK,
00606         SND_SEQ_EVFLG_QUEUE_TIME,
00607         SND_SEQ_EVFLG_QUEUE_VALUE
00608 };
00609 
00615 extern const unsigned int snd_seq_event_types[];
00616 
00617 #define _SND_SEQ_TYPE(x)        (1<<(x))        
00618 #define _SND_SEQ_TYPE_OPT(x)    ((x)<<24)       
00621 #define snd_seq_type_check(ev,x) (snd_seq_event_types[(ev)->type] & _SND_SEQ_TYPE(x))
00622 
00624 #define snd_seq_ev_is_result_type(ev) \
00625         snd_seq_type_check(ev, SND_SEQ_EVFLG_RESULT)
00626 
00627 #define snd_seq_ev_is_note_type(ev) \
00628         snd_seq_type_check(ev, SND_SEQ_EVFLG_NOTE)
00629 
00630 #define snd_seq_ev_is_control_type(ev) \
00631         snd_seq_type_check(ev, SND_SEQ_EVFLG_CONTROL)
00632 
00633 #define snd_seq_ev_is_channel_type(ev) \
00634         (snd_seq_event_types[(ev)->type] & (_SND_SEQ_TYPE(SND_SEQ_EVFLG_NOTE) | _SND_SEQ_TYPE(SND_SEQ_EVFLG_CONTROL)))
00635 
00637 #define snd_seq_ev_is_queue_type(ev) \
00638         snd_seq_type_check(ev, SND_SEQ_EVFLG_QUEUE)
00639 
00640 #define snd_seq_ev_is_message_type(ev) \
00641         snd_seq_type_check(ev, SND_SEQ_EVFLG_MESSAGE)
00642 
00643 #define snd_seq_ev_is_subscribe_type(ev) \
00644         snd_seq_type_check(ev, SND_SEQ_EVFLG_CONNECTION)
00645 
00646 #define snd_seq_ev_is_sample_type(ev) \
00647         snd_seq_type_check(ev, SND_SEQ_EVFLG_SAMPLE)
00648 
00649 #define snd_seq_ev_is_user_type(ev) \
00650         snd_seq_type_check(ev, SND_SEQ_EVFLG_USERS)
00651 
00652 #define snd_seq_ev_is_instr_type(ev) \
00653         snd_seq_type_check(ev, SND_SEQ_EVFLG_INSTR)
00654 
00655 #define snd_seq_ev_is_fixed_type(ev) \
00656         snd_seq_type_check(ev, SND_SEQ_EVFLG_FIXED)
00657 
00658 #define snd_seq_ev_is_variable_type(ev) \
00659         snd_seq_type_check(ev, SND_SEQ_EVFLG_VARIABLE)
00660 
00661 #define snd_seq_ev_is_varusr_type(ev) \
00662         snd_seq_type_check(ev, SND_SEQ_EVFLG_VARUSR)
00663 
00664 #define snd_seq_ev_is_reserved(ev) \
00665         (! snd_seq_event_types[(ev)->type])
00666 
00671 #define snd_seq_ev_is_prior(ev) \
00672         (((ev)->flags & SND_SEQ_PRIORITY_MASK) == SND_SEQ_PRIORITY_HIGH)
00673 
00675 #define snd_seq_ev_length_type(ev) \
00676         ((ev)->flags & SND_SEQ_EVENT_LENGTH_MASK)
00677 
00678 #define snd_seq_ev_is_fixed(ev) \
00679         (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_FIXED)
00680 
00681 #define snd_seq_ev_is_variable(ev) \
00682         (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARIABLE)
00683 
00684 #define snd_seq_ev_is_varusr(ev) \
00685         (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARUSR)
00686 
00688 #define snd_seq_ev_timestamp_type(ev) \
00689         ((ev)->flags & SND_SEQ_TIME_STAMP_MASK)
00690 
00691 #define snd_seq_ev_is_tick(ev) \
00692         (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_TICK)
00693 
00694 #define snd_seq_ev_is_real(ev) \
00695         (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_REAL)
00696 
00698 #define snd_seq_ev_timemode_type(ev) \
00699         ((ev)->flags & SND_SEQ_TIME_MODE_MASK)
00700 
00701 #define snd_seq_ev_is_abstime(ev) \
00702         (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_ABS)
00703 
00704 #define snd_seq_ev_is_reltime(ev) \
00705         (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_REL)
00706 
00708 #define snd_seq_ev_is_direct(ev) \
00709         ((ev)->queue == SND_SEQ_QUEUE_DIRECT)
00710 
00713 #ifdef __cplusplus
00714 }
00715 #endif
00716 
00717 #endif /* __ALSA_SEQ_H */
00718 

Generated on Mon May 3 16:15:22 2004 for ALSA project - the C library reference by doxygen 1.3.6