ALSA project - the C library reference
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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 00052 #define SND_SEQ_OPEN_OUTPUT 1 00053 #define SND_SEQ_OPEN_INPUT 2 00054 #define SND_SEQ_OPEN_DUPLEX (SND_SEQ_OPEN_OUTPUT|SND_SEQ_OPEN_INPUT) 00059 #define SND_SEQ_NONBLOCK 0x0001 00062 typedef enum _snd_seq_type { 00063 SND_SEQ_TYPE_HW, 00064 SND_SEQ_TYPE_SHM, 00065 SND_SEQ_TYPE_INET 00066 } snd_seq_type_t; 00067 00069 #define SND_SEQ_ADDRESS_UNKNOWN 253 00070 #define SND_SEQ_ADDRESS_SUBSCRIBERS 254 00071 #define SND_SEQ_ADDRESS_BROADCAST 255 00074 #define SND_SEQ_CLIENT_SYSTEM 0 00076 /* 00077 */ 00078 int snd_seq_open(snd_seq_t **handle, const char *name, int streams, int mode); 00079 int snd_seq_open_lconf(snd_seq_t **handle, const char *name, int streams, int mode, snd_config_t *lconf); 00080 const char *snd_seq_name(snd_seq_t *seq); 00081 snd_seq_type_t snd_seq_type(snd_seq_t *seq); 00082 int snd_seq_close(snd_seq_t *handle); 00083 int snd_seq_poll_descriptors_count(snd_seq_t *handle, short events); 00084 int snd_seq_poll_descriptors(snd_seq_t *handle, struct pollfd *pfds, unsigned int space, short events); 00085 int snd_seq_poll_descriptors_revents(snd_seq_t *seq, struct pollfd *pfds, unsigned int nfds, unsigned short *revents); 00086 int snd_seq_nonblock(snd_seq_t *handle, int nonblock); 00087 int snd_seq_client_id(snd_seq_t *handle); 00088 00089 size_t snd_seq_get_output_buffer_size(snd_seq_t *handle); 00090 size_t snd_seq_get_input_buffer_size(snd_seq_t *handle); 00091 int snd_seq_set_output_buffer_size(snd_seq_t *handle, size_t size); 00092 int snd_seq_set_input_buffer_size(snd_seq_t *handle, size_t size); 00093 00095 typedef struct _snd_seq_system_info snd_seq_system_info_t; 00096 00097 size_t snd_seq_system_info_sizeof(void); 00099 #define snd_seq_system_info_alloca(ptr) \ 00100 __snd_alloca(ptr, snd_seq_system_info) 00101 int snd_seq_system_info_malloc(snd_seq_system_info_t **ptr); 00102 void snd_seq_system_info_free(snd_seq_system_info_t *ptr); 00103 void snd_seq_system_info_copy(snd_seq_system_info_t *dst, const snd_seq_system_info_t *src); 00104 00105 int snd_seq_system_info_get_queues(const snd_seq_system_info_t *info); 00106 int snd_seq_system_info_get_clients(const snd_seq_system_info_t *info); 00107 int snd_seq_system_info_get_ports(const snd_seq_system_info_t *info); 00108 int snd_seq_system_info_get_channels(const snd_seq_system_info_t *info); 00109 int snd_seq_system_info_get_cur_clients(const snd_seq_system_info_t *info); 00110 int snd_seq_system_info_get_cur_queues(const snd_seq_system_info_t *info); 00111 00112 int snd_seq_system_info(snd_seq_t *handle, snd_seq_system_info_t *info); 00113 00125 typedef struct _snd_seq_client_info snd_seq_client_info_t; 00126 00128 typedef enum snd_seq_client_type { 00129 SND_SEQ_USER_CLIENT = 1, 00130 SND_SEQ_KERNEL_CLIENT = 2 00131 } snd_seq_client_type_t; 00132 00133 size_t snd_seq_client_info_sizeof(void); 00135 #define snd_seq_client_info_alloca(ptr) \ 00136 __snd_alloca(ptr, snd_seq_client_info) 00137 int snd_seq_client_info_malloc(snd_seq_client_info_t **ptr); 00138 void snd_seq_client_info_free(snd_seq_client_info_t *ptr); 00139 void snd_seq_client_info_copy(snd_seq_client_info_t *dst, const snd_seq_client_info_t *src); 00140 00141 int snd_seq_client_info_get_client(const snd_seq_client_info_t *info); 00142 snd_seq_client_type_t snd_seq_client_info_get_type(const snd_seq_client_info_t *info); 00143 const char *snd_seq_client_info_get_name(snd_seq_client_info_t *info); 00144 int snd_seq_client_info_get_broadcast_filter(const snd_seq_client_info_t *info); 00145 int snd_seq_client_info_get_error_bounce(const snd_seq_client_info_t *info); 00146 const unsigned char *snd_seq_client_info_get_event_filter(const snd_seq_client_info_t *info); 00147 int snd_seq_client_info_get_num_ports(const snd_seq_client_info_t *info); 00148 int snd_seq_client_info_get_event_lost(const snd_seq_client_info_t *info); 00149 00150 void snd_seq_client_info_set_client(snd_seq_client_info_t *info, int client); 00151 void snd_seq_client_info_set_name(snd_seq_client_info_t *info, const char *name); 00152 void snd_seq_client_info_set_broadcast_filter(snd_seq_client_info_t *info, int val); 00153 void snd_seq_client_info_set_error_bounce(snd_seq_client_info_t *info, int val); 00154 void snd_seq_client_info_set_event_filter(snd_seq_client_info_t *info, unsigned char *filter); 00155 00156 void snd_seq_client_info_event_filter_clear(snd_seq_client_info_t *info); 00157 void snd_seq_client_info_event_filter_add(snd_seq_client_info_t *info, int event_type); 00158 void snd_seq_client_info_event_filter_del(snd_seq_client_info_t *info, int event_type); 00159 int snd_seq_client_info_event_filter_check(snd_seq_client_info_t *info, int event_type); 00160 00161 int snd_seq_get_client_info(snd_seq_t *handle, snd_seq_client_info_t *info); 00162 int snd_seq_get_any_client_info(snd_seq_t *handle, int client, snd_seq_client_info_t *info); 00163 int snd_seq_set_client_info(snd_seq_t *handle, snd_seq_client_info_t *info); 00164 int snd_seq_query_next_client(snd_seq_t *handle, snd_seq_client_info_t *info); 00165 00166 /* 00167 */ 00168 00170 typedef struct _snd_seq_client_pool snd_seq_client_pool_t; 00171 00172 size_t snd_seq_client_pool_sizeof(void); 00174 #define snd_seq_client_pool_alloca(ptr) \ 00175 __snd_alloca(ptr, snd_seq_client_pool) 00176 int snd_seq_client_pool_malloc(snd_seq_client_pool_t **ptr); 00177 void snd_seq_client_pool_free(snd_seq_client_pool_t *ptr); 00178 void snd_seq_client_pool_copy(snd_seq_client_pool_t *dst, const snd_seq_client_pool_t *src); 00179 00180 int snd_seq_client_pool_get_client(const snd_seq_client_pool_t *info); 00181 size_t snd_seq_client_pool_get_output_pool(const snd_seq_client_pool_t *info); 00182 size_t snd_seq_client_pool_get_input_pool(const snd_seq_client_pool_t *info); 00183 size_t snd_seq_client_pool_get_output_room(const snd_seq_client_pool_t *info); 00184 size_t snd_seq_client_pool_get_output_free(const snd_seq_client_pool_t *info); 00185 size_t snd_seq_client_pool_get_input_free(const snd_seq_client_pool_t *info); 00186 void snd_seq_client_pool_set_output_pool(snd_seq_client_pool_t *info, size_t size); 00187 void snd_seq_client_pool_set_input_pool(snd_seq_client_pool_t *info, size_t size); 00188 void snd_seq_client_pool_set_output_room(snd_seq_client_pool_t *info, size_t size); 00189 00190 int snd_seq_get_client_pool(snd_seq_t *handle, snd_seq_client_pool_t *info); 00191 int snd_seq_set_client_pool(snd_seq_t *handle, snd_seq_client_pool_t *info); 00192 00193 00205 typedef struct _snd_seq_port_info snd_seq_port_info_t; 00206 00208 #define SND_SEQ_PORT_SYSTEM_TIMER 0 00209 #define SND_SEQ_PORT_SYSTEM_ANNOUNCE 1 00212 #define SND_SEQ_PORT_CAP_READ (1<<0) 00213 #define SND_SEQ_PORT_CAP_WRITE (1<<1) 00215 #define SND_SEQ_PORT_CAP_SYNC_READ (1<<2) 00216 #define SND_SEQ_PORT_CAP_SYNC_WRITE (1<<3) 00218 #define SND_SEQ_PORT_CAP_DUPLEX (1<<4) 00220 #define SND_SEQ_PORT_CAP_SUBS_READ (1<<5) 00221 #define SND_SEQ_PORT_CAP_SUBS_WRITE (1<<6) 00222 #define SND_SEQ_PORT_CAP_NO_EXPORT (1<<7) 00224 /* port type */ 00225 00226 #define SND_SEQ_PORT_TYPE_SPECIFIC (1<<0) 00227 00228 #define SND_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) 00229 00230 #define SND_SEQ_PORT_TYPE_MIDI_GM (1<<2) 00231 00232 #define SND_SEQ_PORT_TYPE_MIDI_GS (1<<3) 00233 00234 #define SND_SEQ_PORT_TYPE_MIDI_XG (1<<4) 00235 00236 #define SND_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) 00237 00238 #define SND_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) 00239 00241 #define SND_SEQ_PORT_TYPE_SYNTH (1<<10) 00242 00244 #define SND_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) 00245 00247 #define SND_SEQ_PORT_TYPE_SAMPLE (1<<12) 00248 00249 #define SND_SEQ_PORT_TYPE_HARDWARE (1<<16) 00250 00251 #define SND_SEQ_PORT_TYPE_SOFTWARE (1<<17) 00252 00253 #define SND_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) 00254 00256 #define SND_SEQ_PORT_TYPE_PORT (1<<19) 00257 00258 #define SND_SEQ_PORT_TYPE_APPLICATION (1<<20) 00259 00260 00261 size_t snd_seq_port_info_sizeof(void); 00263 #define snd_seq_port_info_alloca(ptr) \ 00264 __snd_alloca(ptr, snd_seq_port_info) 00265 int snd_seq_port_info_malloc(snd_seq_port_info_t **ptr); 00266 void snd_seq_port_info_free(snd_seq_port_info_t *ptr); 00267 void snd_seq_port_info_copy(snd_seq_port_info_t *dst, const snd_seq_port_info_t *src); 00268 00269 int snd_seq_port_info_get_client(const snd_seq_port_info_t *info); 00270 int snd_seq_port_info_get_port(const snd_seq_port_info_t *info); 00271 const snd_seq_addr_t *snd_seq_port_info_get_addr(const snd_seq_port_info_t *info); 00272 const char *snd_seq_port_info_get_name(const snd_seq_port_info_t *info); 00273 unsigned int snd_seq_port_info_get_capability(const snd_seq_port_info_t *info); 00274 unsigned int snd_seq_port_info_get_type(const snd_seq_port_info_t *info); 00275 int snd_seq_port_info_get_midi_channels(const snd_seq_port_info_t *info); 00276 int snd_seq_port_info_get_midi_voices(const snd_seq_port_info_t *info); 00277 int snd_seq_port_info_get_synth_voices(const snd_seq_port_info_t *info); 00278 int snd_seq_port_info_get_read_use(const snd_seq_port_info_t *info); 00279 int snd_seq_port_info_get_write_use(const snd_seq_port_info_t *info); 00280 int snd_seq_port_info_get_port_specified(const snd_seq_port_info_t *info); 00281 int snd_seq_port_info_get_timestamping(const snd_seq_port_info_t *info); 00282 int snd_seq_port_info_get_timestamp_real(const snd_seq_port_info_t *info); 00283 int snd_seq_port_info_get_timestamp_queue(const snd_seq_port_info_t *info); 00284 00285 void snd_seq_port_info_set_client(snd_seq_port_info_t *info, int client); 00286 void snd_seq_port_info_set_port(snd_seq_port_info_t *info, int port); 00287 void snd_seq_port_info_set_addr(snd_seq_port_info_t *info, const snd_seq_addr_t *addr); 00288 void snd_seq_port_info_set_name(snd_seq_port_info_t *info, const char *name); 00289 void snd_seq_port_info_set_capability(snd_seq_port_info_t *info, unsigned int capability); 00290 void snd_seq_port_info_set_type(snd_seq_port_info_t *info, unsigned int type); 00291 void snd_seq_port_info_set_midi_channels(snd_seq_port_info_t *info, int channels); 00292 void snd_seq_port_info_set_midi_voices(snd_seq_port_info_t *info, int voices); 00293 void snd_seq_port_info_set_synth_voices(snd_seq_port_info_t *info, int voices); 00294 void snd_seq_port_info_set_port_specified(snd_seq_port_info_t *info, int val); 00295 void snd_seq_port_info_set_timestamping(snd_seq_port_info_t *info, int enable); 00296 void snd_seq_port_info_set_timestamp_real(snd_seq_port_info_t *info, int realtime); 00297 void snd_seq_port_info_set_timestamp_queue(snd_seq_port_info_t *info, int queue); 00298 00299 int snd_seq_create_port(snd_seq_t *handle, snd_seq_port_info_t *info); 00300 int snd_seq_delete_port(snd_seq_t *handle, int port); 00301 int snd_seq_get_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info); 00302 int snd_seq_get_any_port_info(snd_seq_t *handle, int client, int port, snd_seq_port_info_t *info); 00303 int snd_seq_set_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info); 00304 int snd_seq_query_next_port(snd_seq_t *handle, snd_seq_port_info_t *info); 00305 00317 typedef struct _snd_seq_port_subscribe snd_seq_port_subscribe_t; 00318 00319 size_t snd_seq_port_subscribe_sizeof(void); 00321 #define snd_seq_port_subscribe_alloca(ptr) \ 00322 __snd_alloca(ptr, snd_seq_port_subscribe) 00323 int snd_seq_port_subscribe_malloc(snd_seq_port_subscribe_t **ptr); 00324 void snd_seq_port_subscribe_free(snd_seq_port_subscribe_t *ptr); 00325 void snd_seq_port_subscribe_copy(snd_seq_port_subscribe_t *dst, const snd_seq_port_subscribe_t *src); 00326 00327 const snd_seq_addr_t *snd_seq_port_subscribe_get_sender(const snd_seq_port_subscribe_t *info); 00328 const snd_seq_addr_t *snd_seq_port_subscribe_get_dest(const snd_seq_port_subscribe_t *info); 00329 int snd_seq_port_subscribe_get_queue(const snd_seq_port_subscribe_t *info); 00330 int snd_seq_port_subscribe_get_exclusive(const snd_seq_port_subscribe_t *info); 00331 int snd_seq_port_subscribe_get_time_update(const snd_seq_port_subscribe_t *info); 00332 int snd_seq_port_subscribe_get_time_real(const snd_seq_port_subscribe_t *info); 00333 00334 void snd_seq_port_subscribe_set_sender(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr); 00335 void snd_seq_port_subscribe_set_dest(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr); 00336 void snd_seq_port_subscribe_set_queue(snd_seq_port_subscribe_t *info, int q); 00337 void snd_seq_port_subscribe_set_exclusive(snd_seq_port_subscribe_t *info, int val); 00338 void snd_seq_port_subscribe_set_time_update(snd_seq_port_subscribe_t *info, int val); 00339 void snd_seq_port_subscribe_set_time_real(snd_seq_port_subscribe_t *info, int val); 00340 00341 int snd_seq_get_port_subscription(snd_seq_t *handle, snd_seq_port_subscribe_t *sub); 00342 int snd_seq_subscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub); 00343 int snd_seq_unsubscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub); 00344 00345 /* 00346 */ 00347 00349 typedef struct _snd_seq_query_subscribe snd_seq_query_subscribe_t; 00350 00352 typedef enum { 00353 SND_SEQ_QUERY_SUBS_READ, 00354 SND_SEQ_QUERY_SUBS_WRITE 00355 } snd_seq_query_subs_type_t; 00356 00357 size_t snd_seq_query_subscribe_sizeof(void); 00359 #define snd_seq_query_subscribe_alloca(ptr) \ 00360 __snd_alloca(ptr, snd_seq_query_subscribe) 00361 int snd_seq_query_subscribe_malloc(snd_seq_query_subscribe_t **ptr); 00362 void snd_seq_query_subscribe_free(snd_seq_query_subscribe_t *ptr); 00363 void snd_seq_query_subscribe_copy(snd_seq_query_subscribe_t *dst, const snd_seq_query_subscribe_t *src); 00364 00365 int snd_seq_query_subscribe_get_client(const snd_seq_query_subscribe_t *info); 00366 int snd_seq_query_subscribe_get_port(const snd_seq_query_subscribe_t *info); 00367 const snd_seq_addr_t *snd_seq_query_subscribe_get_root(const snd_seq_query_subscribe_t *info); 00368 snd_seq_query_subs_type_t snd_seq_query_subscribe_get_type(const snd_seq_query_subscribe_t *info); 00369 int snd_seq_query_subscribe_get_index(const snd_seq_query_subscribe_t *info); 00370 int snd_seq_query_subscribe_get_num_subs(const snd_seq_query_subscribe_t *info); 00371 const snd_seq_addr_t *snd_seq_query_subscribe_get_addr(const snd_seq_query_subscribe_t *info); 00372 int snd_seq_query_subscribe_get_queue(const snd_seq_query_subscribe_t *info); 00373 int snd_seq_query_subscribe_get_exclusive(const snd_seq_query_subscribe_t *info); 00374 int snd_seq_query_subscribe_get_time_update(const snd_seq_query_subscribe_t *info); 00375 int snd_seq_query_subscribe_get_time_real(const snd_seq_query_subscribe_t *info); 00376 00377 void snd_seq_query_subscribe_set_client(snd_seq_query_subscribe_t *info, int client); 00378 void snd_seq_query_subscribe_set_port(snd_seq_query_subscribe_t *info, int port); 00379 void snd_seq_query_subscribe_set_root(snd_seq_query_subscribe_t *info, const snd_seq_addr_t *addr); 00380 void snd_seq_query_subscribe_set_type(snd_seq_query_subscribe_t *info, snd_seq_query_subs_type_t type); 00381 void snd_seq_query_subscribe_set_index(snd_seq_query_subscribe_t *info, int _index); 00382 00383 int snd_seq_query_port_subscribers(snd_seq_t *seq, snd_seq_query_subscribe_t * subs); 00384 00396 typedef struct _snd_seq_queue_info snd_seq_queue_info_t; 00398 typedef struct _snd_seq_queue_status snd_seq_queue_status_t; 00400 typedef struct _snd_seq_queue_tempo snd_seq_queue_tempo_t; 00402 typedef struct _snd_seq_queue_timer snd_seq_queue_timer_t; 00403 00405 #define SND_SEQ_QUEUE_DIRECT 253 00407 size_t snd_seq_queue_info_sizeof(void); 00408 00409 #define snd_seq_queue_info_alloca(ptr) \ 00410 __snd_alloca(ptr, snd_seq_queue_info) 00411 int snd_seq_queue_info_malloc(snd_seq_queue_info_t **ptr); 00412 void snd_seq_queue_info_free(snd_seq_queue_info_t *ptr); 00413 void snd_seq_queue_info_copy(snd_seq_queue_info_t *dst, const snd_seq_queue_info_t *src); 00414 00415 int snd_seq_queue_info_get_queue(const snd_seq_queue_info_t *info); 00416 const char *snd_seq_queue_info_get_name(const snd_seq_queue_info_t *info); 00417 int snd_seq_queue_info_get_owner(const snd_seq_queue_info_t *info); 00418 int snd_seq_queue_info_get_locked(const snd_seq_queue_info_t *info); 00419 unsigned int snd_seq_queue_info_get_flags(const snd_seq_queue_info_t *info); 00420 00421 void snd_seq_queue_info_set_name(snd_seq_queue_info_t *info, const char *name); 00422 void snd_seq_queue_info_set_owner(snd_seq_queue_info_t *info, int owner); 00423 void snd_seq_queue_info_set_locked(snd_seq_queue_info_t *info, int locked); 00424 void snd_seq_queue_info_set_flags(snd_seq_queue_info_t *info, unsigned int flags); 00425 00426 int snd_seq_create_queue(snd_seq_t *seq, snd_seq_queue_info_t *info); 00427 int snd_seq_alloc_named_queue(snd_seq_t *seq, const char *name); 00428 int snd_seq_alloc_queue(snd_seq_t *handle); 00429 int snd_seq_free_queue(snd_seq_t *handle, int q); 00430 int snd_seq_get_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info); 00431 int snd_seq_set_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info); 00432 int snd_seq_query_named_queue(snd_seq_t *seq, const char *name); 00433 00434 int snd_seq_get_queue_usage(snd_seq_t *handle, int q); 00435 int snd_seq_set_queue_usage(snd_seq_t *handle, int q, int used); 00436 00437 /* 00438 */ 00439 size_t snd_seq_queue_status_sizeof(void); 00441 #define snd_seq_queue_status_alloca(ptr) \ 00442 __snd_alloca(ptr, snd_seq_queue_status) 00443 int snd_seq_queue_status_malloc(snd_seq_queue_status_t **ptr); 00444 void snd_seq_queue_status_free(snd_seq_queue_status_t *ptr); 00445 void snd_seq_queue_status_copy(snd_seq_queue_status_t *dst, const snd_seq_queue_status_t *src); 00446 00447 int snd_seq_queue_status_get_queue(const snd_seq_queue_status_t *info); 00448 int snd_seq_queue_status_get_events(const snd_seq_queue_status_t *info); 00449 snd_seq_tick_time_t snd_seq_queue_status_get_tick_time(const snd_seq_queue_status_t *info); 00450 const snd_seq_real_time_t *snd_seq_queue_status_get_real_time(const snd_seq_queue_status_t *info); 00451 unsigned int snd_seq_queue_status_get_status(const snd_seq_queue_status_t *info); 00452 00453 int snd_seq_get_queue_status(snd_seq_t *handle, int q, snd_seq_queue_status_t *status); 00454 00455 /* 00456 */ 00457 size_t snd_seq_queue_tempo_sizeof(void); 00459 #define snd_seq_queue_tempo_alloca(ptr) \ 00460 __snd_alloca(ptr, snd_seq_queue_tempo) 00461 int snd_seq_queue_tempo_malloc(snd_seq_queue_tempo_t **ptr); 00462 void snd_seq_queue_tempo_free(snd_seq_queue_tempo_t *ptr); 00463 void snd_seq_queue_tempo_copy(snd_seq_queue_tempo_t *dst, const snd_seq_queue_tempo_t *src); 00464 00465 int snd_seq_queue_tempo_get_queue(const snd_seq_queue_tempo_t *info); 00466 unsigned int snd_seq_queue_tempo_get_tempo(const snd_seq_queue_tempo_t *info); 00467 int snd_seq_queue_tempo_get_ppq(const snd_seq_queue_tempo_t *info); 00468 unsigned int snd_seq_queue_tempo_get_skew(const snd_seq_queue_tempo_t *info); 00469 unsigned int snd_seq_queue_tempo_get_skew_base(const snd_seq_queue_tempo_t *info); 00470 void snd_seq_queue_tempo_set_tempo(snd_seq_queue_tempo_t *info, unsigned int tempo); 00471 void snd_seq_queue_tempo_set_ppq(snd_seq_queue_tempo_t *info, int ppq); 00472 void snd_seq_queue_tempo_set_skew(snd_seq_queue_tempo_t *info, unsigned int skew); 00473 void snd_seq_queue_tempo_set_skew_base(snd_seq_queue_tempo_t *info, unsigned int base); 00474 00475 int snd_seq_get_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo); 00476 int snd_seq_set_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo); 00477 00478 /* 00479 */ 00480 00482 typedef enum { 00483 SND_SEQ_TIMER_ALSA = 0, /* ALSA timer */ 00484 SND_SEQ_TIMER_MIDI_CLOCK = 1, /* Midi Clock (CLOCK event) */ 00485 SND_SEQ_TIMER_MIDI_TICK = 2 /* Midi Timer Tick (TICK event */ 00486 } snd_seq_queue_timer_type_t; 00487 00488 size_t snd_seq_queue_timer_sizeof(void); 00490 #define snd_seq_queue_timer_alloca(ptr) \ 00491 __snd_alloca(ptr, snd_seq_queue_timer) 00492 int snd_seq_queue_timer_malloc(snd_seq_queue_timer_t **ptr); 00493 void snd_seq_queue_timer_free(snd_seq_queue_timer_t *ptr); 00494 void snd_seq_queue_timer_copy(snd_seq_queue_timer_t *dst, const snd_seq_queue_timer_t *src); 00495 00496 int snd_seq_queue_timer_get_queue(const snd_seq_queue_timer_t *info); 00497 snd_seq_queue_timer_type_t snd_seq_queue_timer_get_type(const snd_seq_queue_timer_t *info); 00498 const snd_timer_id_t *snd_seq_queue_timer_get_id(const snd_seq_queue_timer_t *info); 00499 unsigned int snd_seq_queue_timer_get_resolution(const snd_seq_queue_timer_t *info); 00500 00501 void snd_seq_queue_timer_set_type(snd_seq_queue_timer_t *info, snd_seq_queue_timer_type_t type); 00502 void snd_seq_queue_timer_set_id(snd_seq_queue_timer_t *info, const snd_timer_id_t *id); 00503 void snd_seq_queue_timer_set_resolution(snd_seq_queue_timer_t *info, unsigned int resolution); 00504 00505 int snd_seq_get_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer); 00506 int snd_seq_set_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer); 00507 00517 int snd_seq_free_event(snd_seq_event_t *ev); 00518 ssize_t snd_seq_event_length(snd_seq_event_t *ev); 00519 int snd_seq_event_output(snd_seq_t *handle, snd_seq_event_t *ev); 00520 int snd_seq_event_output_buffer(snd_seq_t *handle, snd_seq_event_t *ev); 00521 int snd_seq_event_output_direct(snd_seq_t *handle, snd_seq_event_t *ev); 00522 int snd_seq_event_input(snd_seq_t *handle, snd_seq_event_t **ev); 00523 int snd_seq_event_input_pending(snd_seq_t *seq, int fetch_sequencer); 00524 int snd_seq_drain_output(snd_seq_t *handle); 00525 int snd_seq_event_output_pending(snd_seq_t *seq); 00526 int snd_seq_extract_output(snd_seq_t *handle, snd_seq_event_t **ev); 00527 int snd_seq_drop_output(snd_seq_t *handle); 00528 int snd_seq_drop_output_buffer(snd_seq_t *handle); 00529 int snd_seq_drop_input(snd_seq_t *handle); 00530 int snd_seq_drop_input_buffer(snd_seq_t *handle); 00531 00533 typedef struct _snd_seq_remove_events snd_seq_remove_events_t; 00534 00536 #define SND_SEQ_REMOVE_INPUT (1<<0) 00537 #define SND_SEQ_REMOVE_OUTPUT (1<<1) 00538 #define SND_SEQ_REMOVE_DEST (1<<2) 00539 #define SND_SEQ_REMOVE_DEST_CHANNEL (1<<3) 00540 #define SND_SEQ_REMOVE_TIME_BEFORE (1<<4) 00541 #define SND_SEQ_REMOVE_TIME_AFTER (1<<5) 00542 #define SND_SEQ_REMOVE_TIME_TICK (1<<6) 00543 #define SND_SEQ_REMOVE_EVENT_TYPE (1<<7) 00544 #define SND_SEQ_REMOVE_IGNORE_OFF (1<<8) 00545 #define SND_SEQ_REMOVE_TAG_MATCH (1<<9) 00547 size_t snd_seq_remove_events_sizeof(void); 00548 00549 #define snd_seq_remove_events_alloca(ptr) \ 00550 __snd_alloca(ptr, snd_seq_remove_events) 00551 int snd_seq_remove_events_malloc(snd_seq_remove_events_t **ptr); 00552 void snd_seq_remove_events_free(snd_seq_remove_events_t *ptr); 00553 void snd_seq_remove_events_copy(snd_seq_remove_events_t *dst, const snd_seq_remove_events_t *src); 00554 00555 unsigned int snd_seq_remove_events_get_condition(const snd_seq_remove_events_t *info); 00556 int snd_seq_remove_events_get_queue(const snd_seq_remove_events_t *info); 00557 const snd_seq_timestamp_t *snd_seq_remove_events_get_time(const snd_seq_remove_events_t *info); 00558 const snd_seq_addr_t *snd_seq_remove_events_get_dest(const snd_seq_remove_events_t *info); 00559 int snd_seq_remove_events_get_channel(const snd_seq_remove_events_t *info); 00560 int snd_seq_remove_events_get_event_type(const snd_seq_remove_events_t *info); 00561 int snd_seq_remove_events_get_tag(const snd_seq_remove_events_t *info); 00562 00563 void snd_seq_remove_events_set_condition(snd_seq_remove_events_t *info, unsigned int flags); 00564 void snd_seq_remove_events_set_queue(snd_seq_remove_events_t *info, int queue); 00565 void snd_seq_remove_events_set_time(snd_seq_remove_events_t *info, const snd_seq_timestamp_t *time); 00566 void snd_seq_remove_events_set_dest(snd_seq_remove_events_t *info, const snd_seq_addr_t *addr); 00567 void snd_seq_remove_events_set_channel(snd_seq_remove_events_t *info, int channel); 00568 void snd_seq_remove_events_set_event_type(snd_seq_remove_events_t *info, int type); 00569 void snd_seq_remove_events_set_tag(snd_seq_remove_events_t *info, int tag); 00570 00571 int snd_seq_remove_events(snd_seq_t *handle, snd_seq_remove_events_t *info); 00572 00582 void snd_seq_set_bit(int nr, void *array); 00583 void snd_seq_unset_bit(int nr, void *array); 00584 int snd_seq_change_bit(int nr, void *array); 00585 int snd_seq_get_bit(int nr, void *array); 00586 00597 /* event type macros */ 00598 enum { 00599 SND_SEQ_EVFLG_RESULT, 00600 SND_SEQ_EVFLG_NOTE, 00601 SND_SEQ_EVFLG_CONTROL, 00602 SND_SEQ_EVFLG_QUEUE, 00603 SND_SEQ_EVFLG_SYSTEM, 00604 SND_SEQ_EVFLG_MESSAGE, 00605 SND_SEQ_EVFLG_CONNECTION, 00606 SND_SEQ_EVFLG_SAMPLE, 00607 SND_SEQ_EVFLG_USERS, 00608 SND_SEQ_EVFLG_INSTR, 00609 SND_SEQ_EVFLG_QUOTE, 00610 SND_SEQ_EVFLG_NONE, 00611 SND_SEQ_EVFLG_RAW, 00612 SND_SEQ_EVFLG_FIXED, 00613 SND_SEQ_EVFLG_VARIABLE, 00614 SND_SEQ_EVFLG_VARUSR 00615 }; 00616 00617 enum { 00618 SND_SEQ_EVFLG_NOTE_ONEARG, 00619 SND_SEQ_EVFLG_NOTE_TWOARG 00620 }; 00621 00622 enum { 00623 SND_SEQ_EVFLG_QUEUE_NOARG, 00624 SND_SEQ_EVFLG_QUEUE_TICK, 00625 SND_SEQ_EVFLG_QUEUE_TIME, 00626 SND_SEQ_EVFLG_QUEUE_VALUE 00627 }; 00628 00634 extern const unsigned int snd_seq_event_types[]; 00635 00636 #define _SND_SEQ_TYPE(x) (1<<(x)) 00637 #define _SND_SEQ_TYPE_OPT(x) ((x)<<24) 00640 #define snd_seq_type_check(ev,x) (snd_seq_event_types[(ev)->type] & _SND_SEQ_TYPE(x)) 00641 00643 #define snd_seq_ev_is_result_type(ev) \ 00644 snd_seq_type_check(ev, SND_SEQ_EVFLG_RESULT) 00645 00646 #define snd_seq_ev_is_note_type(ev) \ 00647 snd_seq_type_check(ev, SND_SEQ_EVFLG_NOTE) 00648 00649 #define snd_seq_ev_is_control_type(ev) \ 00650 snd_seq_type_check(ev, SND_SEQ_EVFLG_CONTROL) 00651 00652 #define snd_seq_ev_is_channel_type(ev) \ 00653 (snd_seq_event_types[(ev)->type] & (_SND_SEQ_TYPE(SND_SEQ_EVFLG_NOTE) | _SND_SEQ_TYPE(SND_SEQ_EVFLG_CONTROL))) 00654 00656 #define snd_seq_ev_is_queue_type(ev) \ 00657 snd_seq_type_check(ev, SND_SEQ_EVFLG_QUEUE) 00658 00659 #define snd_seq_ev_is_message_type(ev) \ 00660 snd_seq_type_check(ev, SND_SEQ_EVFLG_MESSAGE) 00661 00662 #define snd_seq_ev_is_subscribe_type(ev) \ 00663 snd_seq_type_check(ev, SND_SEQ_EVFLG_CONNECTION) 00664 00665 #define snd_seq_ev_is_sample_type(ev) \ 00666 snd_seq_type_check(ev, SND_SEQ_EVFLG_SAMPLE) 00667 00668 #define snd_seq_ev_is_user_type(ev) \ 00669 snd_seq_type_check(ev, SND_SEQ_EVFLG_USERS) 00670 00671 #define snd_seq_ev_is_instr_type(ev) \ 00672 snd_seq_type_check(ev, SND_SEQ_EVFLG_INSTR) 00673 00674 #define snd_seq_ev_is_fixed_type(ev) \ 00675 snd_seq_type_check(ev, SND_SEQ_EVFLG_FIXED) 00676 00677 #define snd_seq_ev_is_variable_type(ev) \ 00678 snd_seq_type_check(ev, SND_SEQ_EVFLG_VARIABLE) 00679 00680 #define snd_seq_ev_is_varusr_type(ev) \ 00681 snd_seq_type_check(ev, SND_SEQ_EVFLG_VARUSR) 00682 00683 #define snd_seq_ev_is_reserved(ev) \ 00684 (! snd_seq_event_types[(ev)->type]) 00685 00690 #define snd_seq_ev_is_prior(ev) \ 00691 (((ev)->flags & SND_SEQ_PRIORITY_MASK) == SND_SEQ_PRIORITY_HIGH) 00692 00694 #define snd_seq_ev_length_type(ev) \ 00695 ((ev)->flags & SND_SEQ_EVENT_LENGTH_MASK) 00696 00697 #define snd_seq_ev_is_fixed(ev) \ 00698 (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_FIXED) 00699 00700 #define snd_seq_ev_is_variable(ev) \ 00701 (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARIABLE) 00702 00703 #define snd_seq_ev_is_varusr(ev) \ 00704 (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARUSR) 00705 00707 #define snd_seq_ev_timestamp_type(ev) \ 00708 ((ev)->flags & SND_SEQ_TIME_STAMP_MASK) 00709 00710 #define snd_seq_ev_is_tick(ev) \ 00711 (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_TICK) 00712 00713 #define snd_seq_ev_is_real(ev) \ 00714 (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_REAL) 00715 00717 #define snd_seq_ev_timemode_type(ev) \ 00718 ((ev)->flags & SND_SEQ_TIME_MODE_MASK) 00719 00720 #define snd_seq_ev_is_abstime(ev) \ 00721 (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_ABS) 00722 00723 #define snd_seq_ev_is_reltime(ev) \ 00724 (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_REL) 00725 00727 #define snd_seq_ev_is_direct(ev) \ 00728 ((ev)->queue == SND_SEQ_QUEUE_DIRECT) 00729 00732 #ifdef __cplusplus 00733 } 00734 #endif 00735 00736 #endif /* __ALSA_SEQ_H */ 00737