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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 
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 
00060 #define SND_SEQ_OPEN_OUTPUT     1       
00061 #define SND_SEQ_OPEN_INPUT      2       
00062 #define SND_SEQ_OPEN_DUPLEX     (SND_SEQ_OPEN_OUTPUT|SND_SEQ_OPEN_INPUT)        
00067 #define SND_SEQ_NONBLOCK        0x0001  
00070 typedef enum _snd_seq_type {
00071         SND_SEQ_TYPE_HW,                
00072         SND_SEQ_TYPE_SHM,               
00073         SND_SEQ_TYPE_INET               
00074 } snd_seq_type_t;
00075 
00077 #define SND_SEQ_ADDRESS_UNKNOWN         253     
00078 #define SND_SEQ_ADDRESS_SUBSCRIBERS     254     
00079 #define SND_SEQ_ADDRESS_BROADCAST       255     
00082 #define SND_SEQ_CLIENT_SYSTEM           0       
00083 #define SND_SEQ_CLIENT_DUMMY            62      
00084 #define SND_SEQ_CLIENT_OSS              63      
00086 /*
00087  */
00088 int snd_seq_open(snd_seq_t **handle, const char *name, int streams, int mode);
00089 int snd_seq_open_lconf(snd_seq_t **handle, const char *name, int streams, int mode, snd_config_t *lconf);
00090 const char *snd_seq_name(snd_seq_t *seq);
00091 snd_seq_type_t snd_seq_type(snd_seq_t *seq);
00092 int snd_seq_close(snd_seq_t *handle);
00093 int snd_seq_poll_descriptors_count(snd_seq_t *handle, short events);
00094 int snd_seq_poll_descriptors(snd_seq_t *handle, struct pollfd *pfds, unsigned int space, short events);
00095 int snd_seq_poll_descriptors_revents(snd_seq_t *seq, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
00096 int snd_seq_nonblock(snd_seq_t *handle, int nonblock);
00097 int snd_seq_client_id(snd_seq_t *handle);
00098 
00099 size_t snd_seq_get_output_buffer_size(snd_seq_t *handle);
00100 size_t snd_seq_get_input_buffer_size(snd_seq_t *handle);
00101 int snd_seq_set_output_buffer_size(snd_seq_t *handle, size_t size);
00102 int snd_seq_set_input_buffer_size(snd_seq_t *handle, size_t size);
00103 
00105 typedef struct _snd_seq_system_info snd_seq_system_info_t;
00106 
00107 size_t snd_seq_system_info_sizeof(void);
00109 #define snd_seq_system_info_alloca(ptr) \
00110         SND_ALLOCA(snd_seq_system_info, ptr)
00111 int snd_seq_system_info_malloc(snd_seq_system_info_t **ptr);
00112 void snd_seq_system_info_free(snd_seq_system_info_t *ptr);
00113 void snd_seq_system_info_copy(snd_seq_system_info_t *dst, const snd_seq_system_info_t *src);
00114 
00115 int snd_seq_system_info_get_queues(const snd_seq_system_info_t *info);
00116 int snd_seq_system_info_get_clients(const snd_seq_system_info_t *info);
00117 int snd_seq_system_info_get_ports(const snd_seq_system_info_t *info);
00118 int snd_seq_system_info_get_channels(const snd_seq_system_info_t *info);
00119 int snd_seq_system_info_get_cur_clients(const snd_seq_system_info_t *info);
00120 int snd_seq_system_info_get_cur_queues(const snd_seq_system_info_t *info);
00121 
00122 int snd_seq_system_info(snd_seq_t *handle, snd_seq_system_info_t *info);
00123 
00135 typedef struct _snd_seq_client_info snd_seq_client_info_t;
00136 
00138 typedef enum snd_seq_client_type {
00139         SND_SEQ_USER_CLIENT     = 1,    
00140         SND_SEQ_KERNEL_CLIENT   = 2     
00141 } snd_seq_client_type_t;
00142                         
00143 size_t snd_seq_client_info_sizeof(void);
00145 #define snd_seq_client_info_alloca(ptr) \
00146         SND_ALLOCA(snd_seq_client_info, ptr)
00147 int snd_seq_client_info_malloc(snd_seq_client_info_t **ptr);
00148 void snd_seq_client_info_free(snd_seq_client_info_t *ptr);
00149 void snd_seq_client_info_copy(snd_seq_client_info_t *dst, const snd_seq_client_info_t *src);
00150 
00151 int snd_seq_client_info_get_client(const snd_seq_client_info_t *info);
00152 snd_seq_client_type_t snd_seq_client_info_get_type(const snd_seq_client_info_t *info);
00153 const char *snd_seq_client_info_get_name(snd_seq_client_info_t *info);
00154 int snd_seq_client_info_get_broadcast_filter(const snd_seq_client_info_t *info);
00155 int snd_seq_client_info_get_error_bounce(const snd_seq_client_info_t *info);
00156 const unsigned char *snd_seq_client_info_get_event_filter(const snd_seq_client_info_t *info);
00157 int snd_seq_client_info_get_num_ports(const snd_seq_client_info_t *info);
00158 int snd_seq_client_info_get_event_lost(const snd_seq_client_info_t *info);
00159 
00160 void snd_seq_client_info_set_client(snd_seq_client_info_t *info, int client);
00161 void snd_seq_client_info_set_name(snd_seq_client_info_t *info, const char *name);
00162 void snd_seq_client_info_set_broadcast_filter(snd_seq_client_info_t *info, int val);
00163 void snd_seq_client_info_set_error_bounce(snd_seq_client_info_t *info, int val);
00164 void snd_seq_client_info_set_event_filter(snd_seq_client_info_t *info, unsigned char *filter);
00165 
00166 int snd_seq_get_client_info(snd_seq_t *handle, snd_seq_client_info_t *info);
00167 int snd_seq_get_any_client_info(snd_seq_t *handle, int client, snd_seq_client_info_t *info);
00168 int snd_seq_set_client_info(snd_seq_t *handle, snd_seq_client_info_t *info);
00169 int snd_seq_query_next_client(snd_seq_t *handle, snd_seq_client_info_t *info);
00170 
00171 /*
00172  */
00173 
00175 typedef struct _snd_seq_client_pool snd_seq_client_pool_t;
00176 
00177 size_t snd_seq_client_pool_sizeof(void);
00179 #define snd_seq_client_pool_alloca(ptr) \
00180         SND_ALLOCA(snd_seq_client_pool, ptr)
00181 int snd_seq_client_pool_malloc(snd_seq_client_pool_t **ptr);
00182 void snd_seq_client_pool_free(snd_seq_client_pool_t *ptr);
00183 void snd_seq_client_pool_copy(snd_seq_client_pool_t *dst, const snd_seq_client_pool_t *src);
00184 
00185 int snd_seq_client_pool_get_client(const snd_seq_client_pool_t *info);
00186 size_t snd_seq_client_pool_get_output_pool(const snd_seq_client_pool_t *info);
00187 size_t snd_seq_client_pool_get_input_pool(const snd_seq_client_pool_t *info);
00188 size_t snd_seq_client_pool_get_output_room(const snd_seq_client_pool_t *info);
00189 size_t snd_seq_client_pool_get_output_free(const snd_seq_client_pool_t *info);
00190 size_t snd_seq_client_pool_get_input_free(const snd_seq_client_pool_t *info);
00191 void snd_seq_client_pool_set_output_pool(snd_seq_client_pool_t *info, size_t size);
00192 void snd_seq_client_pool_set_input_pool(snd_seq_client_pool_t *info, size_t size);
00193 void snd_seq_client_pool_set_output_room(snd_seq_client_pool_t *info, size_t size);
00194 
00195 int snd_seq_get_client_pool(snd_seq_t *handle, snd_seq_client_pool_t *info);
00196 int snd_seq_set_client_pool(snd_seq_t *handle, snd_seq_client_pool_t *info);
00197 
00198 
00210 typedef struct _snd_seq_port_info snd_seq_port_info_t;
00211 
00213 #define SND_SEQ_PORT_SYSTEM_TIMER       0       
00214 #define SND_SEQ_PORT_SYSTEM_ANNOUNCE    1       
00217 #define SND_SEQ_PORT_CAP_READ           (1<<0)  
00218 #define SND_SEQ_PORT_CAP_WRITE          (1<<1)  
00220 #define SND_SEQ_PORT_CAP_SYNC_READ      (1<<2)  
00221 #define SND_SEQ_PORT_CAP_SYNC_WRITE     (1<<3)  
00223 #define SND_SEQ_PORT_CAP_DUPLEX         (1<<4)  
00225 #define SND_SEQ_PORT_CAP_SUBS_READ      (1<<5)  
00226 #define SND_SEQ_PORT_CAP_SUBS_WRITE     (1<<6)  
00227 #define SND_SEQ_PORT_CAP_NO_EXPORT      (1<<7)  
00230 #define SND_SEQ_PORT_TYPE_SPECIFIC      (1<<0)  
00231 #define SND_SEQ_PORT_TYPE_MIDI_GENERIC  (1<<1)  
00232 #define SND_SEQ_PORT_TYPE_MIDI_GM       (1<<2)  
00233 #define SND_SEQ_PORT_TYPE_MIDI_GS       (1<<3)  
00234 #define SND_SEQ_PORT_TYPE_MIDI_XG       (1<<4)  
00235 #define SND_SEQ_PORT_TYPE_MIDI_MT32     (1<<5)  
00236 #define SND_SEQ_PORT_TYPE_SYNTH         (1<<10) 
00237 #define SND_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) 
00238 #define SND_SEQ_PORT_TYPE_SAMPLE        (1<<12) 
00239 #define SND_SEQ_PORT_TYPE_APPLICATION   (1<<20) 
00242 size_t snd_seq_port_info_sizeof(void);
00243 
00244 #define snd_seq_port_info_alloca(ptr) \
00245         SND_ALLOCA(snd_seq_port_info, ptr)
00246 int snd_seq_port_info_malloc(snd_seq_port_info_t **ptr);
00247 void snd_seq_port_info_free(snd_seq_port_info_t *ptr);
00248 void snd_seq_port_info_copy(snd_seq_port_info_t *dst, const snd_seq_port_info_t *src);
00249 
00250 int snd_seq_port_info_get_client(const snd_seq_port_info_t *info);
00251 int snd_seq_port_info_get_port(const snd_seq_port_info_t *info);
00252 const snd_seq_addr_t *snd_seq_port_info_get_addr(const snd_seq_port_info_t *info);
00253 const char *snd_seq_port_info_get_name(const snd_seq_port_info_t *info);
00254 unsigned int snd_seq_port_info_get_capability(const snd_seq_port_info_t *info);
00255 unsigned int snd_seq_port_info_get_type(const snd_seq_port_info_t *info);
00256 int snd_seq_port_info_get_midi_channels(const snd_seq_port_info_t *info);
00257 int snd_seq_port_info_get_midi_voices(const snd_seq_port_info_t *info);
00258 int snd_seq_port_info_get_synth_voices(const snd_seq_port_info_t *info);
00259 int snd_seq_port_info_get_read_use(const snd_seq_port_info_t *info);
00260 int snd_seq_port_info_get_write_use(const snd_seq_port_info_t *info);
00261 int snd_seq_port_info_get_port_specified(const snd_seq_port_info_t *info);
00262 
00263 void snd_seq_port_info_set_client(snd_seq_port_info_t *info, int client);
00264 void snd_seq_port_info_set_port(snd_seq_port_info_t *info, int port);
00265 void snd_seq_port_info_set_addr(snd_seq_port_info_t *info, const snd_seq_addr_t *addr);
00266 void snd_seq_port_info_set_name(snd_seq_port_info_t *info, const char *name);
00267 void snd_seq_port_info_set_capability(snd_seq_port_info_t *info, unsigned int capability);
00268 void snd_seq_port_info_set_type(snd_seq_port_info_t *info, unsigned int type);
00269 void snd_seq_port_info_set_midi_channels(snd_seq_port_info_t *info, int channels);
00270 void snd_seq_port_info_set_midi_voices(snd_seq_port_info_t *info, int voices);
00271 void snd_seq_port_info_set_synth_voices(snd_seq_port_info_t *info, int voices);
00272 void snd_seq_port_info_set_port_specified(snd_seq_port_info_t *info, int val);
00273 
00274 int snd_seq_create_port(snd_seq_t *handle, snd_seq_port_info_t *info);
00275 int snd_seq_delete_port(snd_seq_t *handle, int port);
00276 int snd_seq_get_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info);
00277 int snd_seq_get_any_port_info(snd_seq_t *handle, int client, int port, snd_seq_port_info_t *info);
00278 int snd_seq_set_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info);
00279 int snd_seq_query_next_port(snd_seq_t *handle, snd_seq_port_info_t *info);
00280 
00292 typedef struct _snd_seq_port_subscribe snd_seq_port_subscribe_t;
00293 
00294 size_t snd_seq_port_subscribe_sizeof(void);
00296 #define snd_seq_port_subscribe_alloca(ptr) \
00297         SND_ALLOCA(snd_seq_port_subscribe, ptr)
00298 int snd_seq_port_subscribe_malloc(snd_seq_port_subscribe_t **ptr);
00299 void snd_seq_port_subscribe_free(snd_seq_port_subscribe_t *ptr);
00300 void snd_seq_port_subscribe_copy(snd_seq_port_subscribe_t *dst, const snd_seq_port_subscribe_t *src);
00301 
00302 const snd_seq_addr_t *snd_seq_port_subscribe_get_sender(const snd_seq_port_subscribe_t *info);
00303 const snd_seq_addr_t *snd_seq_port_subscribe_get_dest(const snd_seq_port_subscribe_t *info);
00304 int snd_seq_port_subscribe_get_queue(const snd_seq_port_subscribe_t *info);
00305 int snd_seq_port_subscribe_get_exclusive(const snd_seq_port_subscribe_t *info);
00306 int snd_seq_port_subscribe_get_time_update(const snd_seq_port_subscribe_t *info);
00307 int snd_seq_port_subscribe_get_time_real(const snd_seq_port_subscribe_t *info);
00308 
00309 void snd_seq_port_subscribe_set_sender(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr);
00310 void snd_seq_port_subscribe_set_dest(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr);
00311 void snd_seq_port_subscribe_set_queue(snd_seq_port_subscribe_t *info, int q);
00312 void snd_seq_port_subscribe_set_voices(snd_seq_port_subscribe_t *info, unsigned int voices);
00313 void snd_seq_port_subscribe_set_exclusive(snd_seq_port_subscribe_t *info, int val);
00314 void snd_seq_port_subscribe_set_time_update(snd_seq_port_subscribe_t *info, int val);
00315 void snd_seq_port_subscribe_set_time_real(snd_seq_port_subscribe_t *info, int val);
00316 
00317 int snd_seq_get_port_subscription(snd_seq_t *handle, snd_seq_port_subscribe_t *sub);
00318 int snd_seq_subscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub);
00319 int snd_seq_unsubscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub);
00320 
00321 /*
00322  */
00323 
00325 typedef struct _snd_seq_query_subscribe snd_seq_query_subscribe_t;
00326 
00328 typedef enum {
00329         SND_SEQ_QUERY_SUBS_READ,        
00330         SND_SEQ_QUERY_SUBS_WRITE        
00331 } snd_seq_query_subs_type_t;
00332 
00333 size_t snd_seq_query_subscribe_sizeof(void);
00335 #define snd_seq_query_subscribe_alloca(ptr) \
00336         SND_ALLOCA(snd_seq_query_subscribe, ptr)
00337 int snd_seq_query_subscribe_malloc(snd_seq_query_subscribe_t **ptr);
00338 void snd_seq_query_subscribe_free(snd_seq_query_subscribe_t *ptr);
00339 void snd_seq_query_subscribe_copy(snd_seq_query_subscribe_t *dst, const snd_seq_query_subscribe_t *src);
00340 
00341 int snd_seq_query_subscribe_get_client(const snd_seq_query_subscribe_t *info);
00342 int snd_seq_query_subscribe_get_port(const snd_seq_query_subscribe_t *info);
00343 const snd_seq_addr_t *snd_seq_query_subscribe_get_root(const snd_seq_query_subscribe_t *info);
00344 snd_seq_query_subs_type_t snd_seq_query_subscribe_get_type(const snd_seq_query_subscribe_t *info);
00345 int snd_seq_query_subscribe_get_index(const snd_seq_query_subscribe_t *info);
00346 int snd_seq_query_subscribe_get_num_subs(const snd_seq_query_subscribe_t *info);
00347 const snd_seq_addr_t *snd_seq_query_subscribe_get_addr(const snd_seq_query_subscribe_t *info);
00348 int snd_seq_query_subscribe_get_queue(const snd_seq_query_subscribe_t *info);
00349 int snd_seq_query_subscribe_get_exclusive(const snd_seq_query_subscribe_t *info);
00350 int snd_seq_query_subscribe_get_time_update(const snd_seq_query_subscribe_t *info);
00351 int snd_seq_query_subscribe_get_time_real(const snd_seq_query_subscribe_t *info);
00352 
00353 void snd_seq_query_subscribe_set_client(snd_seq_query_subscribe_t *info, int client);
00354 void snd_seq_query_subscribe_set_port(snd_seq_query_subscribe_t *info, int port);
00355 void snd_seq_query_subscribe_set_root(snd_seq_query_subscribe_t *info, const snd_seq_addr_t *addr);
00356 void snd_seq_query_subscribe_set_type(snd_seq_query_subscribe_t *info, snd_seq_query_subs_type_t type);
00357 void snd_seq_query_subscribe_set_index(snd_seq_query_subscribe_t *info, int index);
00358 
00359 int snd_seq_query_port_subscribers(snd_seq_t *seq, snd_seq_query_subscribe_t * subs);
00360 
00372 typedef struct _snd_seq_queue_info snd_seq_queue_info_t;
00374 typedef struct _snd_seq_queue_status snd_seq_queue_status_t;
00376 typedef struct _snd_seq_queue_tempo snd_seq_queue_tempo_t;
00378 typedef struct _snd_seq_queue_timer snd_seq_queue_timer_t;
00379 
00381 #define SND_SEQ_QUEUE_DIRECT            253     
00383 size_t snd_seq_queue_info_sizeof(void);
00384 
00385 #define snd_seq_queue_info_alloca(ptr) \
00386         SND_ALLOCA(snd_seq_queue_info, ptr)
00387 int snd_seq_queue_info_malloc(snd_seq_queue_info_t **ptr);
00388 void snd_seq_queue_info_free(snd_seq_queue_info_t *ptr);
00389 void snd_seq_queue_info_copy(snd_seq_queue_info_t *dst, const snd_seq_queue_info_t *src);
00390 
00391 int snd_seq_queue_info_get_queue(const snd_seq_queue_info_t *info);
00392 const char *snd_seq_queue_info_get_name(const snd_seq_queue_info_t *info);
00393 int snd_seq_queue_info_get_owner(const snd_seq_queue_info_t *info);
00394 int snd_seq_queue_info_get_locked(const snd_seq_queue_info_t *info);
00395 unsigned int snd_seq_queue_info_get_flags(const snd_seq_queue_info_t *info);
00396 
00397 void snd_seq_queue_info_set_name(snd_seq_queue_info_t *info, const char *name);
00398 void snd_seq_queue_info_set_owner(snd_seq_queue_info_t *info, int owner);
00399 void snd_seq_queue_info_set_locked(snd_seq_queue_info_t *info, int locked);
00400 void snd_seq_queue_info_set_flags(snd_seq_queue_info_t *info, unsigned int flags);
00401 
00402 int snd_seq_create_queue(snd_seq_t *seq, snd_seq_queue_info_t *info);
00403 int snd_seq_alloc_named_queue(snd_seq_t *seq, const char *name);
00404 int snd_seq_alloc_queue(snd_seq_t *handle);
00405 int snd_seq_free_queue(snd_seq_t *handle, int q);
00406 int snd_seq_get_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info);
00407 int snd_seq_set_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info);
00408 int snd_seq_query_named_queue(snd_seq_t *seq, const char *name);
00409 
00410 int snd_seq_get_queue_usage(snd_seq_t *handle, int q);
00411 int snd_seq_set_queue_usage(snd_seq_t *handle, int q, int used);
00412 
00413 /*
00414  */
00415 size_t snd_seq_queue_status_sizeof(void);
00417 #define snd_seq_queue_status_alloca(ptr) \
00418         SND_ALLOCA(snd_seq_queue_status, ptr)
00419 int snd_seq_queue_status_malloc(snd_seq_queue_status_t **ptr);
00420 void snd_seq_queue_status_free(snd_seq_queue_status_t *ptr);
00421 void snd_seq_queue_status_copy(snd_seq_queue_status_t *dst, const snd_seq_queue_status_t *src);
00422 
00423 int snd_seq_queue_status_get_queue(const snd_seq_queue_status_t *info);
00424 int snd_seq_queue_status_get_events(const snd_seq_queue_status_t *info);
00425 snd_seq_tick_time_t snd_seq_queue_status_get_tick_time(const snd_seq_queue_status_t *info);
00426 const snd_seq_real_time_t *snd_seq_queue_status_get_real_time(const snd_seq_queue_status_t *info);
00427 unsigned int snd_seq_queue_status_get_status(const snd_seq_queue_status_t *info);
00428 
00429 int snd_seq_get_queue_status(snd_seq_t *handle, int q, snd_seq_queue_status_t *status);
00430 
00431 /*
00432  */
00433 size_t snd_seq_queue_tempo_sizeof(void);
00435 #define snd_seq_queue_tempo_alloca(ptr) \
00436         SND_ALLOCA(snd_seq_queue_tempo, ptr)
00437 int snd_seq_queue_tempo_malloc(snd_seq_queue_tempo_t **ptr);
00438 void snd_seq_queue_tempo_free(snd_seq_queue_tempo_t *ptr);
00439 void snd_seq_queue_tempo_copy(snd_seq_queue_tempo_t *dst, const snd_seq_queue_tempo_t *src);
00440 
00441 int snd_seq_queue_tempo_get_queue(const snd_seq_queue_tempo_t *info);
00442 unsigned int snd_seq_queue_tempo_get_tempo(const snd_seq_queue_tempo_t *info);
00443 int snd_seq_queue_tempo_get_ppq(const snd_seq_queue_tempo_t *info);
00444 unsigned int snd_seq_queue_tempo_get_skew(const snd_seq_queue_tempo_t *info);
00445 unsigned int snd_seq_queue_tempo_get_skew_base(const snd_seq_queue_tempo_t *info);
00446 void snd_seq_queue_tempo_set_tempo(snd_seq_queue_tempo_t *info, unsigned int tempo);
00447 void snd_seq_queue_tempo_set_ppq(snd_seq_queue_tempo_t *info, int ppq);
00448 void snd_seq_queue_tempo_set_skew(snd_seq_queue_tempo_t *info, unsigned int skew);
00449 void snd_seq_queue_tempo_set_skew_base(snd_seq_queue_tempo_t *info, unsigned int base);
00450 
00451 int snd_seq_get_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo);
00452 int snd_seq_set_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo);
00453 
00454 /*
00455  */
00456 
00458 typedef enum {
00459         SND_SEQ_TIMER_ALSA = 0,         /* ALSA timer */
00460         SND_SEQ_TIMER_MIDI_CLOCK = 1,   /* Midi Clock (CLOCK event) */
00461         SND_SEQ_TIMER_MIDI_TICK = 2     /* Midi Timer Tick (TICK event */
00462 } snd_seq_queue_timer_type_t;
00463 
00464 size_t snd_seq_queue_timer_sizeof(void);
00466 #define snd_seq_queue_timer_alloca(ptr) \
00467         SND_ALLOCA(snd_seq_queue_timer, ptr)
00468 int snd_seq_queue_timer_malloc(snd_seq_queue_timer_t **ptr);
00469 void snd_seq_queue_timer_free(snd_seq_queue_timer_t *ptr);
00470 void snd_seq_queue_timer_copy(snd_seq_queue_timer_t *dst, const snd_seq_queue_timer_t *src);
00471 
00472 int snd_seq_queue_timer_get_queue(const snd_seq_queue_timer_t *info);
00473 snd_seq_queue_timer_type_t snd_seq_queue_timer_get_type(const snd_seq_queue_timer_t *info);
00474 const snd_timer_id_t *snd_seq_queue_timer_get_id(const snd_seq_queue_timer_t *info);
00475 unsigned int snd_seq_queue_timer_get_resolution(const snd_seq_queue_timer_t *info);
00476 
00477 void snd_seq_queue_timer_set_type(snd_seq_queue_timer_t *info, snd_seq_queue_timer_type_t type);
00478 void snd_seq_queue_timer_set_id(snd_seq_queue_timer_t *info, const snd_timer_id_t *id);
00479 void snd_seq_queue_timer_set_resolution(snd_seq_queue_timer_t *info, unsigned int resolution);
00480 
00481 int snd_seq_get_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer);
00482 int snd_seq_set_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer);
00483 
00493 int snd_seq_free_event(snd_seq_event_t *ev);
00494 ssize_t snd_seq_event_length(snd_seq_event_t *ev);
00495 int snd_seq_event_output(snd_seq_t *handle, snd_seq_event_t *ev);
00496 int snd_seq_event_output_buffer(snd_seq_t *handle, snd_seq_event_t *ev);
00497 int snd_seq_event_output_direct(snd_seq_t *handle, snd_seq_event_t *ev);
00498 int snd_seq_event_input(snd_seq_t *handle, snd_seq_event_t **ev);
00499 int snd_seq_event_input_pending(snd_seq_t *seq, int fetch_sequencer);
00500 int snd_seq_drain_output(snd_seq_t *handle);
00501 int snd_seq_event_output_pending(snd_seq_t *seq);
00502 int snd_seq_extract_output(snd_seq_t *handle, snd_seq_event_t **ev);
00503 int snd_seq_drop_output(snd_seq_t *handle);
00504 int snd_seq_drop_output_buffer(snd_seq_t *handle);
00505 int snd_seq_drop_input(snd_seq_t *handle);
00506 int snd_seq_drop_input_buffer(snd_seq_t *handle);
00507 
00509 typedef struct _snd_seq_remove_events snd_seq_remove_events_t;
00510 
00512 #define SND_SEQ_REMOVE_INPUT            (1<<0)  
00513 #define SND_SEQ_REMOVE_OUTPUT           (1<<1)  
00514 #define SND_SEQ_REMOVE_DEST             (1<<2)  
00515 #define SND_SEQ_REMOVE_DEST_CHANNEL     (1<<3)  
00516 #define SND_SEQ_REMOVE_TIME_BEFORE      (1<<4)  
00517 #define SND_SEQ_REMOVE_TIME_AFTER       (1<<5)  
00518 #define SND_SEQ_REMOVE_TIME_TICK        (1<<6)  
00519 #define SND_SEQ_REMOVE_EVENT_TYPE       (1<<7)  
00520 #define SND_SEQ_REMOVE_IGNORE_OFF       (1<<8)  
00521 #define SND_SEQ_REMOVE_TAG_MATCH        (1<<9)  
00523 size_t snd_seq_remove_events_sizeof(void);
00524 
00525 #define snd_seq_remove_events_alloca(ptr) \
00526         SND_ALLOCA(snd_seq_remove_events, ptr)
00527 int snd_seq_remove_events_malloc(snd_seq_remove_events_t **ptr);
00528 void snd_seq_remove_events_free(snd_seq_remove_events_t *ptr);
00529 void snd_seq_remove_events_copy(snd_seq_remove_events_t *dst, const snd_seq_remove_events_t *src);
00530 
00531 unsigned int snd_seq_remove_events_get_condition(const snd_seq_remove_events_t *info);
00532 int snd_seq_remove_events_get_queue(const snd_seq_remove_events_t *info);
00533 const snd_seq_timestamp_t *snd_seq_remove_events_get_time(const snd_seq_remove_events_t *info);
00534 const snd_seq_addr_t *snd_seq_remove_events_get_dest(const snd_seq_remove_events_t *info);
00535 int snd_seq_remove_events_get_channel(const snd_seq_remove_events_t *info);
00536 int snd_seq_remove_events_get_event_type(const snd_seq_remove_events_t *info);
00537 int snd_seq_remove_events_get_tag(const snd_seq_remove_events_t *info);
00538 
00539 void snd_seq_remove_events_set_condition(snd_seq_remove_events_t *info, unsigned int flags);
00540 void snd_seq_remove_events_set_queue(snd_seq_remove_events_t *info, int queue);
00541 void snd_seq_remove_events_set_time(snd_seq_remove_events_t *info, const snd_seq_timestamp_t *time);
00542 void snd_seq_remove_events_set_dest(snd_seq_remove_events_t *info, const snd_seq_addr_t *addr);
00543 void snd_seq_remove_events_set_channel(snd_seq_remove_events_t *info, int channel);
00544 void snd_seq_remove_events_set_event_type(snd_seq_remove_events_t *info, int type);
00545 void snd_seq_remove_events_set_tag(snd_seq_remove_events_t *info, int tag);
00546 
00547 int snd_seq_remove_events(snd_seq_t *handle, snd_seq_remove_events_t *info);
00548 
00558 void snd_seq_set_bit(int nr, void *array);
00559 int snd_seq_change_bit(int nr, void *array);
00560 int snd_seq_get_bit(int nr, void *array);
00561 
00572 /* event type macros */
00573 enum {
00574         SND_SEQ_EVFLG_RESULT,
00575         SND_SEQ_EVFLG_NOTE,
00576         SND_SEQ_EVFLG_CONTROL,
00577         SND_SEQ_EVFLG_QUEUE,
00578         SND_SEQ_EVFLG_SYSTEM,
00579         SND_SEQ_EVFLG_MESSAGE,
00580         SND_SEQ_EVFLG_CONNECTION,
00581         SND_SEQ_EVFLG_SAMPLE,
00582         SND_SEQ_EVFLG_USERS,
00583         SND_SEQ_EVFLG_INSTR,
00584         SND_SEQ_EVFLG_QUOTE,
00585         SND_SEQ_EVFLG_NONE,
00586         SND_SEQ_EVFLG_RAW,
00587         SND_SEQ_EVFLG_FIXED,
00588         SND_SEQ_EVFLG_VARIABLE,
00589         SND_SEQ_EVFLG_VARUSR
00590 };
00591 
00592 enum {
00593         SND_SEQ_EVFLG_NOTE_ONEARG,
00594         SND_SEQ_EVFLG_NOTE_TWOARG
00595 };
00596 
00597 enum {
00598         SND_SEQ_EVFLG_QUEUE_NOARG,
00599         SND_SEQ_EVFLG_QUEUE_TICK,
00600         SND_SEQ_EVFLG_QUEUE_TIME,
00601         SND_SEQ_EVFLG_QUEUE_VALUE
00602 };
00603 
00609 extern const unsigned int snd_seq_event_types[];
00610 
00611 #define _SND_SEQ_TYPE(x)        (1<<(x))        
00612 #define _SND_SEQ_TYPE_OPT(x)    ((x)<<24)       
00615 #define snd_seq_type_check(ev,x) (snd_seq_event_types[(ev)->type] & _SND_SEQ_TYPE(x))
00616 
00618 #define snd_seq_ev_is_result_type(ev) \
00619         snd_seq_type_check(ev, SND_SEQ_EVFLG_RESULT)
00620 
00621 #define snd_seq_ev_is_note_type(ev) \
00622         snd_seq_type_check(ev, SND_SEQ_EVFLG_NOTE)
00623 
00624 #define snd_seq_ev_is_control_type(ev) \
00625         snd_seq_type_check(ev, SND_SEQ_EVFLG_CONTROL)
00626 
00627 #define snd_seq_ev_is_channel_type(ev) \
00628         (snd_seq_event_types[(ev)->type] & (_SND_SEQ_TYPE(SND_SEQ_EVFLG_NOTE) | _SND_SEQ_TYPE(SND_SEQ_EVFLG_CONTROL)))
00629 
00631 #define snd_seq_ev_is_queue_type(ev) \
00632         snd_seq_type_check(ev, SND_SEQ_EVFLG_QUEUE)
00633 
00634 #define snd_seq_ev_is_message_type(ev) \
00635         snd_seq_type_check(ev, SND_SEQ_EVFLG_MESSAGE)
00636 
00637 #define snd_seq_ev_is_subscribe_type(ev) \
00638         snd_seq_type_check(ev, SND_SEQ_EVFLG_CONNECTION)
00639 
00640 #define snd_seq_ev_is_sample_type(ev) \
00641         snd_seq_type_check(ev, SND_SEQ_EVFLG_SAMPLE)
00642 
00643 #define snd_seq_ev_is_user_type(ev) \
00644         snd_seq_type_check(ev, SND_SEQ_EVFLG_USERS)
00645 
00646 #define snd_seq_ev_is_instr_type(ev) \
00647         snd_seq_type_check(ev, SND_SEQ_EVFLG_INSTR)
00648 
00649 #define snd_seq_ev_is_fixed_type(ev) \
00650         snd_seq_type_check(ev, SND_SEQ_EVFLG_FIXED)
00651 
00652 #define snd_seq_ev_is_variable_type(ev) \
00653         snd_seq_type_check(ev, SND_SEQ_EVFLG_VARIABLE)
00654 
00655 #define snd_seq_ev_is_varusr_type(ev) \
00656         snd_seq_type_check(ev, SND_SEQ_EVFLG_VARUSR)
00657 
00658 #define snd_seq_ev_is_reserved(ev) \
00659         (! snd_seq_event_types[(ev)->type])
00660 
00665 #define snd_seq_ev_is_prior(ev) \
00666         (((ev)->flags & SND_SEQ_PRIORITY_MASK) == SND_SEQ_PRIORITY_HIGH)
00667 
00669 #define snd_seq_ev_length_type(ev) \
00670         ((ev)->flags & SND_SEQ_EVENT_LENGTH_MASK)
00671 
00672 #define snd_seq_ev_is_fixed(ev) \
00673         (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_FIXED)
00674 
00675 #define snd_seq_ev_is_variable(ev) \
00676         (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARIABLE)
00677 
00678 #define snd_seq_ev_is_varusr(ev) \
00679         (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARUSR)
00680 
00682 #define snd_seq_ev_timestamp_type(ev) \
00683         ((ev)->flags & SND_SEQ_TIME_STAMP_MASK)
00684 
00685 #define snd_seq_ev_is_tick(ev) \
00686         (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_TICK)
00687 
00688 #define snd_seq_ev_is_real(ev) \
00689         (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_REAL)
00690 
00692 #define snd_seq_ev_timemode_type(ev) \
00693         ((ev)->flags & SND_SEQ_TIME_MODE_MASK)
00694 
00695 #define snd_seq_ev_is_abstime(ev) \
00696         (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_ABS)
00697 
00698 #define snd_seq_ev_is_reltime(ev) \
00699         (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_REL)
00700 
00702 #define snd_seq_ev_is_direct(ev) \
00703         ((ev)->queue == SND_SEQ_QUEUE_DIRECT)
00704 
00707 #ifdef __cplusplus
00708 }
00709 #endif
00710 
00711 #endif /* __ALSA_SEQ_H */
00712 

Generated on Wed Feb 19 12:45:32 2003 for ALSA project - the C library reference by doxygen1.2.18