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pcm.h

00001 00029 #ifndef __ALSA_PCM_H 00030 #define __ALSA_PCM_H 00031 00032 #ifdef __cplusplus 00033 extern "C" { 00034 #endif 00035 00043 #define SND_PCM_DLSYM_VERSION _dlsym_pcm_001 00044 00046 typedef struct _snd_pcm_info snd_pcm_info_t; 00048 typedef struct _snd_pcm_hw_params snd_pcm_hw_params_t; 00050 typedef struct _snd_pcm_sw_params snd_pcm_sw_params_t; 00052 typedef struct _snd_pcm_status snd_pcm_status_t; 00054 typedef struct _snd_pcm_access_mask snd_pcm_access_mask_t; 00056 typedef struct _snd_pcm_format_mask snd_pcm_format_mask_t; 00058 typedef struct _snd_pcm_subformat_mask snd_pcm_subformat_mask_t; 00059 00061 typedef enum _snd_pcm_class { 00064 SND_PCM_CLASS_GENERIC = 0, 00066 SND_PCM_CLASS_MULTI, 00068 SND_PCM_CLASS_MODEM, 00070 SND_PCM_CLASS_DIGITIZER, 00071 SND_PCM_CLASS_LAST = SND_PCM_CLASS_DIGITIZER 00072 } snd_pcm_class_t; 00073 00075 typedef enum _snd_pcm_subclass { 00077 SND_PCM_SUBCLASS_GENERIC_MIX = 0, 00079 SND_PCM_SUBCLASS_MULTI_MIX, 00080 SND_PCM_SUBCLASS_LAST = SND_PCM_SUBCLASS_MULTI_MIX 00081 } snd_pcm_subclass_t; 00082 00084 typedef enum _snd_pcm_stream { 00086 SND_PCM_STREAM_PLAYBACK = 0, 00088 SND_PCM_STREAM_CAPTURE, 00089 SND_PCM_STREAM_LAST = SND_PCM_STREAM_CAPTURE 00090 } snd_pcm_stream_t; 00091 00093 typedef enum _snd_pcm_access { 00095 SND_PCM_ACCESS_MMAP_INTERLEAVED = 0, 00097 SND_PCM_ACCESS_MMAP_NONINTERLEAVED, 00099 SND_PCM_ACCESS_MMAP_COMPLEX, 00101 SND_PCM_ACCESS_RW_INTERLEAVED, 00103 SND_PCM_ACCESS_RW_NONINTERLEAVED, 00104 SND_PCM_ACCESS_LAST = SND_PCM_ACCESS_RW_NONINTERLEAVED 00105 } snd_pcm_access_t; 00106 00108 typedef enum _snd_pcm_format { 00110 SND_PCM_FORMAT_UNKNOWN = -1, 00112 SND_PCM_FORMAT_S8 = 0, 00114 SND_PCM_FORMAT_U8, 00116 SND_PCM_FORMAT_S16_LE, 00118 SND_PCM_FORMAT_S16_BE, 00120 SND_PCM_FORMAT_U16_LE, 00122 SND_PCM_FORMAT_U16_BE, 00124 SND_PCM_FORMAT_S24_LE, 00126 SND_PCM_FORMAT_S24_BE, 00128 SND_PCM_FORMAT_U24_LE, 00130 SND_PCM_FORMAT_U24_BE, 00132 SND_PCM_FORMAT_S32_LE, 00134 SND_PCM_FORMAT_S32_BE, 00136 SND_PCM_FORMAT_U32_LE, 00138 SND_PCM_FORMAT_U32_BE, 00140 SND_PCM_FORMAT_FLOAT_LE, 00142 SND_PCM_FORMAT_FLOAT_BE, 00144 SND_PCM_FORMAT_FLOAT64_LE, 00146 SND_PCM_FORMAT_FLOAT64_BE, 00148 SND_PCM_FORMAT_IEC958_SUBFRAME_LE, 00150 SND_PCM_FORMAT_IEC958_SUBFRAME_BE, 00152 SND_PCM_FORMAT_MU_LAW, 00154 SND_PCM_FORMAT_A_LAW, 00156 SND_PCM_FORMAT_IMA_ADPCM, 00158 SND_PCM_FORMAT_MPEG, 00160 SND_PCM_FORMAT_GSM, 00162 SND_PCM_FORMAT_SPECIAL = 31, 00164 SND_PCM_FORMAT_S24_3LE = 32, 00166 SND_PCM_FORMAT_S24_3BE, 00168 SND_PCM_FORMAT_U24_3LE, 00170 SND_PCM_FORMAT_U24_3BE, 00172 SND_PCM_FORMAT_S20_3LE, 00174 SND_PCM_FORMAT_S20_3BE, 00176 SND_PCM_FORMAT_U20_3LE, 00178 SND_PCM_FORMAT_U20_3BE, 00180 SND_PCM_FORMAT_S18_3LE, 00182 SND_PCM_FORMAT_S18_3BE, 00184 SND_PCM_FORMAT_U18_3LE, 00186 SND_PCM_FORMAT_U18_3BE, 00187 SND_PCM_FORMAT_LAST = SND_PCM_FORMAT_U18_3BE, 00188 00189 #if __BYTE_ORDER == __LITTLE_ENDIAN 00190 00191 SND_PCM_FORMAT_S16 = SND_PCM_FORMAT_S16_LE, 00193 SND_PCM_FORMAT_U16 = SND_PCM_FORMAT_U16_LE, 00195 SND_PCM_FORMAT_S24 = SND_PCM_FORMAT_S24_LE, 00197 SND_PCM_FORMAT_U24 = SND_PCM_FORMAT_U24_LE, 00199 SND_PCM_FORMAT_S32 = SND_PCM_FORMAT_S32_LE, 00201 SND_PCM_FORMAT_U32 = SND_PCM_FORMAT_U32_LE, 00203 SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_LE, 00205 SND_PCM_FORMAT_FLOAT64 = SND_PCM_FORMAT_FLOAT64_LE, 00207 SND_PCM_FORMAT_IEC958_SUBFRAME = SND_PCM_FORMAT_IEC958_SUBFRAME_LE 00208 #elif __BYTE_ORDER == __BIG_ENDIAN 00209 00210 SND_PCM_FORMAT_S16 = SND_PCM_FORMAT_S16_BE, 00212 SND_PCM_FORMAT_U16 = SND_PCM_FORMAT_U16_BE, 00214 SND_PCM_FORMAT_S24 = SND_PCM_FORMAT_S24_BE, 00216 SND_PCM_FORMAT_U24 = SND_PCM_FORMAT_U24_BE, 00218 SND_PCM_FORMAT_S32 = SND_PCM_FORMAT_S32_BE, 00220 SND_PCM_FORMAT_U32 = SND_PCM_FORMAT_U32_BE, 00222 SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_BE, 00224 SND_PCM_FORMAT_FLOAT64 = SND_PCM_FORMAT_FLOAT64_BE, 00226 SND_PCM_FORMAT_IEC958_SUBFRAME = SND_PCM_FORMAT_IEC958_SUBFRAME_BE 00227 #else 00228 #error "Unknown endian" 00229 #endif 00230 } snd_pcm_format_t; 00231 00233 typedef enum _snd_pcm_subformat { 00235 SND_PCM_SUBFORMAT_STD = 0, 00236 SND_PCM_SUBFORMAT_LAST = SND_PCM_SUBFORMAT_STD 00237 } snd_pcm_subformat_t; 00238 00240 typedef enum _snd_pcm_state { 00242 SND_PCM_STATE_OPEN = 0, 00244 SND_PCM_STATE_SETUP, 00246 SND_PCM_STATE_PREPARED, 00248 SND_PCM_STATE_RUNNING, 00250 SND_PCM_STATE_XRUN, 00252 SND_PCM_STATE_DRAINING, 00254 SND_PCM_STATE_PAUSED, 00256 SND_PCM_STATE_SUSPENDED, 00258 SND_PCM_STATE_DISCONNECTED, 00259 SND_PCM_STATE_LAST = SND_PCM_STATE_DISCONNECTED 00260 } snd_pcm_state_t; 00261 00263 typedef enum _snd_pcm_start { 00265 SND_PCM_START_DATA = 0, 00267 SND_PCM_START_EXPLICIT, 00268 SND_PCM_START_LAST = SND_PCM_START_EXPLICIT 00269 } snd_pcm_start_t; 00270 00272 typedef enum _snd_pcm_xrun { 00274 SND_PCM_XRUN_NONE = 0, 00276 SND_PCM_XRUN_STOP, 00277 SND_PCM_XRUN_LAST = SND_PCM_XRUN_STOP 00278 } snd_pcm_xrun_t; 00279 00281 typedef enum _snd_pcm_tstamp { 00283 SND_PCM_TSTAMP_NONE = 0, 00285 SND_PCM_TSTAMP_MMAP, 00286 SND_PCM_TSTAMP_LAST = SND_PCM_TSTAMP_MMAP 00287 } snd_pcm_tstamp_t; 00288 00290 typedef unsigned long snd_pcm_uframes_t; 00292 typedef long snd_pcm_sframes_t; 00293 00295 #define SND_PCM_NONBLOCK 0x0001 00296 00297 #define SND_PCM_ASYNC 0x0002 00298 00300 typedef struct _snd_pcm snd_pcm_t; 00301 00303 enum _snd_pcm_type { 00305 SND_PCM_TYPE_HW = 0, 00307 SND_PCM_TYPE_HOOKS, 00310 SND_PCM_TYPE_MULTI, 00312 SND_PCM_TYPE_FILE, 00314 SND_PCM_TYPE_NULL, 00316 SND_PCM_TYPE_SHM, 00318 SND_PCM_TYPE_INET, 00320 SND_PCM_TYPE_COPY, 00322 SND_PCM_TYPE_LINEAR, 00324 SND_PCM_TYPE_ALAW, 00326 SND_PCM_TYPE_MULAW, 00328 SND_PCM_TYPE_ADPCM, 00330 SND_PCM_TYPE_RATE, 00332 SND_PCM_TYPE_ROUTE, 00334 SND_PCM_TYPE_PLUG, 00336 SND_PCM_TYPE_SHARE, 00338 SND_PCM_TYPE_METER, 00340 SND_PCM_TYPE_MIX, 00342 SND_PCM_TYPE_DROUTE, 00344 SND_PCM_TYPE_LBSERVER, 00346 SND_PCM_TYPE_LINEAR_FLOAT, 00348 SND_PCM_TYPE_LADSPA, 00350 SND_PCM_TYPE_DMIX, 00352 SND_PCM_TYPE_JACK, 00354 SND_PCM_TYPE_DSNOOP, 00356 SND_PCM_TYPE_DSHARE, 00358 SND_PCM_TYPE_IEC958, 00360 SND_PCM_TYPE_SOFTVOL, 00361 SND_PCM_TYPE_LAST = SND_PCM_TYPE_SOFTVOL 00362 }; 00363 00365 typedef enum _snd_pcm_type snd_pcm_type_t; 00366 00368 typedef struct _snd_pcm_channel_area { 00370 void *addr; 00372 unsigned int first; 00374 unsigned int step; 00375 } snd_pcm_channel_area_t; 00376 00378 typedef union _snd_pcm_sync_id { 00380 unsigned char id[16]; 00382 unsigned short id16[8]; 00384 unsigned int id32[4]; 00385 } snd_pcm_sync_id_t; 00386 00388 typedef struct _snd_pcm_scope snd_pcm_scope_t; 00389 00390 int snd_pcm_open(snd_pcm_t **pcm, const char *name, 00391 snd_pcm_stream_t stream, int mode); 00392 int snd_pcm_open_lconf(snd_pcm_t **pcm, const char *name, 00393 snd_pcm_stream_t stream, int mode, 00394 snd_config_t *lconf); 00395 00396 int snd_pcm_close(snd_pcm_t *pcm); 00397 const char *snd_pcm_name(snd_pcm_t *pcm); 00398 snd_pcm_type_t snd_pcm_type(snd_pcm_t *pcm); 00399 snd_pcm_stream_t snd_pcm_stream(snd_pcm_t *pcm); 00400 int snd_pcm_poll_descriptors_count(snd_pcm_t *pcm); 00401 int snd_pcm_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space); 00402 int snd_pcm_poll_descriptors_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents); 00403 int snd_pcm_nonblock(snd_pcm_t *pcm, int nonblock); 00404 int snd_async_add_pcm_handler(snd_async_handler_t **handler, snd_pcm_t *pcm, 00405 snd_async_callback_t callback, void *private_data); 00406 snd_pcm_t *snd_async_handler_get_pcm(snd_async_handler_t *handler); 00407 int snd_pcm_info(snd_pcm_t *pcm, snd_pcm_info_t *info); 00408 int snd_pcm_hw_params_current(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00409 int snd_pcm_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00410 int snd_pcm_hw_free(snd_pcm_t *pcm); 00411 int snd_pcm_sw_params_current(snd_pcm_t *pcm, snd_pcm_sw_params_t *params); 00412 int snd_pcm_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params); 00413 int snd_pcm_prepare(snd_pcm_t *pcm); 00414 int snd_pcm_reset(snd_pcm_t *pcm); 00415 int snd_pcm_status(snd_pcm_t *pcm, snd_pcm_status_t *status); 00416 int snd_pcm_start(snd_pcm_t *pcm); 00417 int snd_pcm_drop(snd_pcm_t *pcm); 00418 int snd_pcm_drain(snd_pcm_t *pcm); 00419 int snd_pcm_pause(snd_pcm_t *pcm, int enable); 00420 snd_pcm_state_t snd_pcm_state(snd_pcm_t *pcm); 00421 int snd_pcm_hwsync(snd_pcm_t *pcm); 00422 int snd_pcm_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp); 00423 int snd_pcm_resume(snd_pcm_t *pcm); 00424 snd_pcm_sframes_t snd_pcm_avail_update(snd_pcm_t *pcm); 00425 snd_pcm_sframes_t snd_pcm_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames); 00426 snd_pcm_sframes_t snd_pcm_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames); 00427 snd_pcm_sframes_t snd_pcm_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size); 00428 snd_pcm_sframes_t snd_pcm_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size); 00429 snd_pcm_sframes_t snd_pcm_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size); 00430 snd_pcm_sframes_t snd_pcm_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size); 00431 int snd_pcm_wait(snd_pcm_t *pcm, int timeout); 00432 00433 int snd_pcm_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2); 00434 int snd_pcm_unlink(snd_pcm_t *pcm); 00435 00445 size_t snd_pcm_info_sizeof(void); 00450 #define snd_pcm_info_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_info_t *) alloca(snd_pcm_info_sizeof()); memset(*ptr, 0, snd_pcm_info_sizeof()); } while (0) 00451 int snd_pcm_info_malloc(snd_pcm_info_t **ptr); 00452 void snd_pcm_info_free(snd_pcm_info_t *obj); 00453 void snd_pcm_info_copy(snd_pcm_info_t *dst, const snd_pcm_info_t *src); 00454 unsigned int snd_pcm_info_get_device(const snd_pcm_info_t *obj); 00455 unsigned int snd_pcm_info_get_subdevice(const snd_pcm_info_t *obj); 00456 snd_pcm_stream_t snd_pcm_info_get_stream(const snd_pcm_info_t *obj); 00457 int snd_pcm_info_get_card(const snd_pcm_info_t *obj); 00458 const char *snd_pcm_info_get_id(const snd_pcm_info_t *obj); 00459 const char *snd_pcm_info_get_name(const snd_pcm_info_t *obj); 00460 const char *snd_pcm_info_get_subdevice_name(const snd_pcm_info_t *obj); 00461 snd_pcm_class_t snd_pcm_info_get_class(const snd_pcm_info_t *obj); 00462 snd_pcm_subclass_t snd_pcm_info_get_subclass(const snd_pcm_info_t *obj); 00463 unsigned int snd_pcm_info_get_subdevices_count(const snd_pcm_info_t *obj); 00464 unsigned int snd_pcm_info_get_subdevices_avail(const snd_pcm_info_t *obj); 00465 snd_pcm_sync_id_t snd_pcm_info_get_sync(const snd_pcm_info_t *obj); 00466 void snd_pcm_info_set_device(snd_pcm_info_t *obj, unsigned int val); 00467 void snd_pcm_info_set_subdevice(snd_pcm_info_t *obj, unsigned int val); 00468 void snd_pcm_info_set_stream(snd_pcm_info_t *obj, snd_pcm_stream_t val); 00469 00479 int snd_pcm_hw_params_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00480 00481 int snd_pcm_hw_params_can_mmap_sample_resolution(const snd_pcm_hw_params_t *params); 00482 int snd_pcm_hw_params_is_double(const snd_pcm_hw_params_t *params); 00483 int snd_pcm_hw_params_is_batch(const snd_pcm_hw_params_t *params); 00484 int snd_pcm_hw_params_is_block_transfer(const snd_pcm_hw_params_t *params); 00485 int snd_pcm_hw_params_can_overrange(const snd_pcm_hw_params_t *params); 00486 int snd_pcm_hw_params_can_pause(const snd_pcm_hw_params_t *params); 00487 int snd_pcm_hw_params_can_resume(const snd_pcm_hw_params_t *params); 00488 int snd_pcm_hw_params_is_half_duplex(const snd_pcm_hw_params_t *params); 00489 int snd_pcm_hw_params_is_joint_duplex(const snd_pcm_hw_params_t *params); 00490 int snd_pcm_hw_params_can_sync_start(const snd_pcm_hw_params_t *params); 00491 int snd_pcm_hw_params_get_rate_numden(const snd_pcm_hw_params_t *params, 00492 unsigned int *rate_num, 00493 unsigned int *rate_den); 00494 int snd_pcm_hw_params_get_sbits(const snd_pcm_hw_params_t *params); 00495 int snd_pcm_hw_params_get_fifo_size(const snd_pcm_hw_params_t *params); 00496 00497 #if 0 00498 typedef struct _snd_pcm_hw_strategy snd_pcm_hw_strategy_t; 00499 00500 /* choices need to be sorted on ascending badness */ 00501 typedef struct _snd_pcm_hw_strategy_simple_choices_list { 00502 unsigned int value; 00503 unsigned int badness; 00504 } snd_pcm_hw_strategy_simple_choices_list_t; 00505 00506 int snd_pcm_hw_params_strategy(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, 00507 const snd_pcm_hw_strategy_t *strategy, 00508 unsigned int badness_min, 00509 unsigned int badness_max); 00510 00511 void snd_pcm_hw_strategy_free(snd_pcm_hw_strategy_t *strategy); 00512 int snd_pcm_hw_strategy_simple(snd_pcm_hw_strategy_t **strategyp, 00513 unsigned int badness_min, 00514 unsigned int badness_max); 00515 int snd_pcm_hw_params_try_explain_failure(snd_pcm_t *pcm, 00516 snd_pcm_hw_params_t *fail, 00517 snd_pcm_hw_params_t *success, 00518 unsigned int depth, 00519 snd_output_t *out); 00520 00521 #endif 00522 00523 size_t snd_pcm_hw_params_sizeof(void); 00528 #define snd_pcm_hw_params_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_hw_params_t *) alloca(snd_pcm_hw_params_sizeof()); memset(*ptr, 0, snd_pcm_hw_params_sizeof()); } while (0) 00529 int snd_pcm_hw_params_malloc(snd_pcm_hw_params_t **ptr); 00530 void snd_pcm_hw_params_free(snd_pcm_hw_params_t *obj); 00531 void snd_pcm_hw_params_copy(snd_pcm_hw_params_t *dst, const snd_pcm_hw_params_t *src); 00532 00533 #ifndef ALSA_LIBRARY_BUILD 00534 00535 #ifndef ALSA_PCM_OLD_HW_PARAMS_API 00536 00537 int snd_pcm_hw_params_get_access(const snd_pcm_hw_params_t *params, snd_pcm_access_t *_access); 00538 int snd_pcm_hw_params_test_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t _access); 00539 int snd_pcm_hw_params_set_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t _access); 00540 int snd_pcm_hw_params_set_access_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *_access); 00541 int snd_pcm_hw_params_set_access_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *_access); 00542 int snd_pcm_hw_params_set_access_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask); 00543 int snd_pcm_hw_params_get_access_mask(snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask); 00544 00545 int snd_pcm_hw_params_get_format(const snd_pcm_hw_params_t *params, snd_pcm_format_t *val); 00546 int snd_pcm_hw_params_test_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val); 00547 int snd_pcm_hw_params_set_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val); 00548 int snd_pcm_hw_params_set_format_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format); 00549 int snd_pcm_hw_params_set_format_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format); 00550 int snd_pcm_hw_params_set_format_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask); 00551 void snd_pcm_hw_params_get_format_mask(snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask); 00552 00553 int snd_pcm_hw_params_get_subformat(const snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat); 00554 int snd_pcm_hw_params_test_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat); 00555 int snd_pcm_hw_params_set_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat); 00556 int snd_pcm_hw_params_set_subformat_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat); 00557 int snd_pcm_hw_params_set_subformat_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat); 00558 int snd_pcm_hw_params_set_subformat_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask); 00559 void snd_pcm_hw_params_get_subformat_mask(snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask); 00560 00561 int snd_pcm_hw_params_get_channels(const snd_pcm_hw_params_t *params, unsigned int *val); 00562 int snd_pcm_hw_params_get_channels_min(const snd_pcm_hw_params_t *params, unsigned int *val); 00563 int snd_pcm_hw_params_get_channels_max(const snd_pcm_hw_params_t *params, unsigned int *val); 00564 int snd_pcm_hw_params_test_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val); 00565 int snd_pcm_hw_params_set_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val); 00566 int snd_pcm_hw_params_set_channels_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); 00567 int snd_pcm_hw_params_set_channels_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); 00568 int snd_pcm_hw_params_set_channels_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, unsigned int *max); 00569 int snd_pcm_hw_params_set_channels_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); 00570 int snd_pcm_hw_params_set_channels_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); 00571 int snd_pcm_hw_params_set_channels_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); 00572 00573 int snd_pcm_hw_params_get_rate(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00574 int snd_pcm_hw_params_get_rate_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00575 int snd_pcm_hw_params_get_rate_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00576 int snd_pcm_hw_params_test_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00577 int snd_pcm_hw_params_set_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00578 int snd_pcm_hw_params_set_rate_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00579 int snd_pcm_hw_params_set_rate_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00580 int snd_pcm_hw_params_set_rate_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir); 00581 int snd_pcm_hw_params_set_rate_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00582 int snd_pcm_hw_params_set_rate_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00583 int snd_pcm_hw_params_set_rate_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00584 00585 int snd_pcm_hw_params_get_period_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00586 int snd_pcm_hw_params_get_period_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00587 int snd_pcm_hw_params_get_period_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00588 int snd_pcm_hw_params_test_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00589 int snd_pcm_hw_params_set_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00590 int snd_pcm_hw_params_set_period_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00591 int snd_pcm_hw_params_set_period_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00592 int snd_pcm_hw_params_set_period_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir); 00593 int snd_pcm_hw_params_set_period_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00594 int snd_pcm_hw_params_set_period_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00595 int snd_pcm_hw_params_set_period_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00596 00597 int snd_pcm_hw_params_get_period_size(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir); 00598 int snd_pcm_hw_params_get_period_size_min(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir); 00599 int snd_pcm_hw_params_get_period_size_max(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir); 00600 int snd_pcm_hw_params_test_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir); 00601 int snd_pcm_hw_params_set_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir); 00602 int snd_pcm_hw_params_set_period_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir); 00603 int snd_pcm_hw_params_set_period_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir); 00604 int snd_pcm_hw_params_set_period_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, int *mindir, snd_pcm_uframes_t *max, int *maxdir); 00605 int snd_pcm_hw_params_set_period_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir); 00606 int snd_pcm_hw_params_set_period_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir); 00607 int snd_pcm_hw_params_set_period_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir); 00608 int snd_pcm_hw_params_set_period_size_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00609 00610 int snd_pcm_hw_params_get_periods(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00611 int snd_pcm_hw_params_get_periods_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00612 int snd_pcm_hw_params_get_periods_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00613 int snd_pcm_hw_params_test_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00614 int snd_pcm_hw_params_set_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00615 int snd_pcm_hw_params_set_periods_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00616 int snd_pcm_hw_params_set_periods_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00617 int snd_pcm_hw_params_set_periods_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir); 00618 int snd_pcm_hw_params_set_periods_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00619 int snd_pcm_hw_params_set_periods_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00620 int snd_pcm_hw_params_set_periods_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00621 int snd_pcm_hw_params_set_periods_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00622 00623 int snd_pcm_hw_params_get_buffer_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00624 int snd_pcm_hw_params_get_buffer_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00625 int snd_pcm_hw_params_get_buffer_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00626 int snd_pcm_hw_params_test_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00627 int snd_pcm_hw_params_set_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00628 int snd_pcm_hw_params_set_buffer_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00629 int snd_pcm_hw_params_set_buffer_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00630 int snd_pcm_hw_params_set_buffer_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir); 00631 int snd_pcm_hw_params_set_buffer_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00632 int snd_pcm_hw_params_set_buffer_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00633 int snd_pcm_hw_params_set_buffer_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00634 00635 int snd_pcm_hw_params_get_buffer_size(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); 00636 int snd_pcm_hw_params_get_buffer_size_min(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); 00637 int snd_pcm_hw_params_get_buffer_size_max(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); 00638 int snd_pcm_hw_params_test_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val); 00639 int snd_pcm_hw_params_set_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val); 00640 int snd_pcm_hw_params_set_buffer_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); 00641 int snd_pcm_hw_params_set_buffer_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); 00642 int snd_pcm_hw_params_set_buffer_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, snd_pcm_uframes_t *max); 00643 int snd_pcm_hw_params_set_buffer_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); 00644 int snd_pcm_hw_params_set_buffer_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); 00645 int snd_pcm_hw_params_set_buffer_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); 00646 00647 int snd_pcm_hw_params_get_tick_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00648 int snd_pcm_hw_params_get_tick_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00649 int snd_pcm_hw_params_get_tick_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00650 int snd_pcm_hw_params_test_tick_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00651 int snd_pcm_hw_params_set_tick_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00652 int snd_pcm_hw_params_set_tick_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00653 int snd_pcm_hw_params_set_tick_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00654 int snd_pcm_hw_params_set_tick_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir); 00655 int snd_pcm_hw_params_set_tick_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00656 int snd_pcm_hw_params_set_tick_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00657 int snd_pcm_hw_params_set_tick_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00658 00659 #else 00660 00661 asm(".symver snd_pcm_hw_params_get_access,snd_pcm_hw_params_get_access@ALSA_0.9"); 00662 asm(".symver snd_pcm_hw_params_set_access_first,snd_pcm_hw_params_set_access_first@ALSA_0.9"); 00663 asm(".symver snd_pcm_hw_params_set_access_last,snd_pcm_hw_params_set_access_last@ALSA_0.9"); 00664 00665 int snd_pcm_hw_params_get_access(const snd_pcm_hw_params_t *params); 00666 int snd_pcm_hw_params_test_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t val); 00667 int snd_pcm_hw_params_set_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t val); 00668 snd_pcm_access_t snd_pcm_hw_params_set_access_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00669 snd_pcm_access_t snd_pcm_hw_params_set_access_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00670 int snd_pcm_hw_params_set_access_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask); 00671 void snd_pcm_hw_params_get_access_mask(snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask); 00672 00673 asm(".symver snd_pcm_hw_params_get_format,snd_pcm_hw_params_get_format@ALSA_0.9"); 00674 asm(".symver snd_pcm_hw_params_set_format_first,snd_pcm_hw_params_set_format_first@ALSA_0.9"); 00675 asm(".symver snd_pcm_hw_params_set_format_last,snd_pcm_hw_params_set_format_last@ALSA_0.9"); 00676 00677 int snd_pcm_hw_params_get_format(const snd_pcm_hw_params_t *params); 00678 int snd_pcm_hw_params_test_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val); 00679 int snd_pcm_hw_params_set_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val); 00680 snd_pcm_format_t snd_pcm_hw_params_set_format_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00681 snd_pcm_format_t snd_pcm_hw_params_set_format_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00682 int snd_pcm_hw_params_set_format_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask); 00683 void snd_pcm_hw_params_get_format_mask(snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask); 00684 00685 asm(".symver snd_pcm_hw_params_get_subformat,snd_pcm_hw_params_get_subformat@ALSA_0.9"); 00686 asm(".symver snd_pcm_hw_params_set_subformat_first,snd_pcm_hw_params_set_subformat_first@ALSA_0.9"); 00687 asm(".symver snd_pcm_hw_params_set_subformat_last,snd_pcm_hw_params_set_subformat_last@ALSA_0.9"); 00688 00689 int snd_pcm_hw_params_test_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t val); 00690 int snd_pcm_hw_params_get_subformat(const snd_pcm_hw_params_t *params); 00691 int snd_pcm_hw_params_set_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t val); 00692 snd_pcm_subformat_t snd_pcm_hw_params_set_subformat_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00693 snd_pcm_subformat_t snd_pcm_hw_params_set_subformat_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00694 int snd_pcm_hw_params_set_subformat_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask); 00695 void snd_pcm_hw_params_get_subformat_mask(snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask); 00696 00697 asm(".symver snd_pcm_hw_params_get_channels,snd_pcm_hw_params_get_channels@ALSA_0.9"); 00698 asm(".symver snd_pcm_hw_params_get_channels_min,snd_pcm_hw_params_get_channels_min@ALSA_0.9"); 00699 asm(".symver snd_pcm_hw_params_get_channels_max,snd_pcm_hw_params_get_channels_max@ALSA_0.9"); 00700 asm(".symver snd_pcm_hw_params_set_channels_near,snd_pcm_hw_params_set_channels_near@ALSA_0.9"); 00701 asm(".symver snd_pcm_hw_params_set_channels_first,snd_pcm_hw_params_set_channels_first@ALSA_0.9"); 00702 asm(".symver snd_pcm_hw_params_set_channels_last,snd_pcm_hw_params_set_channels_last@ALSA_0.9"); 00703 00704 int snd_pcm_hw_params_get_channels(const snd_pcm_hw_params_t *params); 00705 unsigned int snd_pcm_hw_params_get_channels_min(const snd_pcm_hw_params_t *params); 00706 unsigned int snd_pcm_hw_params_get_channels_max(const snd_pcm_hw_params_t *params); 00707 int snd_pcm_hw_params_test_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val); 00708 int snd_pcm_hw_params_set_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val); 00709 int snd_pcm_hw_params_set_channels_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); 00710 int snd_pcm_hw_params_set_channels_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); 00711 int snd_pcm_hw_params_set_channels_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, unsigned int *max); 00712 unsigned int snd_pcm_hw_params_set_channels_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val); 00713 unsigned int snd_pcm_hw_params_set_channels_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00714 unsigned int snd_pcm_hw_params_set_channels_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00715 00716 asm(".symver snd_pcm_hw_params_get_rate,snd_pcm_hw_params_get_rate@ALSA_0.9"); 00717 asm(".symver snd_pcm_hw_params_get_rate_min,snd_pcm_hw_params_get_rate_min@ALSA_0.9"); 00718 asm(".symver snd_pcm_hw_params_get_rate_max,snd_pcm_hw_params_get_rate_max@ALSA_0.9"); 00719 asm(".symver snd_pcm_hw_params_set_rate_near,snd_pcm_hw_params_set_rate_near@ALSA_0.9"); 00720 asm(".symver snd_pcm_hw_params_set_rate_first,snd_pcm_hw_params_set_rate_first@ALSA_0.9"); 00721 asm(".symver snd_pcm_hw_params_set_rate_last,snd_pcm_hw_params_set_rate_last@ALSA_0.9"); 00722 00723 int snd_pcm_hw_params_get_rate(const snd_pcm_hw_params_t *params, int *dir); 00724 unsigned int snd_pcm_hw_params_get_rate_min(const snd_pcm_hw_params_t *params, int *dir); 00725 unsigned int snd_pcm_hw_params_get_rate_max(const snd_pcm_hw_params_t *params, int *dir); 00726 int snd_pcm_hw_params_test_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00727 int snd_pcm_hw_params_set_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00728 int snd_pcm_hw_params_set_rate_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00729 int snd_pcm_hw_params_set_rate_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00730 int snd_pcm_hw_params_set_rate_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir); 00731 unsigned int snd_pcm_hw_params_set_rate_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int *dir); 00732 unsigned int snd_pcm_hw_params_set_rate_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir); 00733 unsigned int snd_pcm_hw_params_set_rate_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir); 00734 00735 asm(".symver snd_pcm_hw_params_get_period_time,snd_pcm_hw_params_get_period_time@ALSA_0.9"); 00736 asm(".symver snd_pcm_hw_params_get_period_time_min,snd_pcm_hw_params_get_period_time_min@ALSA_0.9"); 00737 asm(".symver snd_pcm_hw_params_get_period_time_max,snd_pcm_hw_params_get_period_time_max@ALSA_0.9"); 00738 asm(".symver snd_pcm_hw_params_set_period_time_near,snd_pcm_hw_params_set_period_time_near@ALSA_0.9"); 00739 asm(".symver snd_pcm_hw_params_set_period_time_first,snd_pcm_hw_params_set_period_time_first@ALSA_0.9"); 00740 asm(".symver snd_pcm_hw_params_set_period_time_last,snd_pcm_hw_params_set_period_time_last@ALSA_0.9"); 00741 00742 int snd_pcm_hw_params_get_period_time(const snd_pcm_hw_params_t *params, int *dir); 00743 unsigned int snd_pcm_hw_params_get_period_time_min(const snd_pcm_hw_params_t *params, int *dir); 00744 unsigned int snd_pcm_hw_params_get_period_time_max(const snd_pcm_hw_params_t *params, int *dir); 00745 int snd_pcm_hw_params_test_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00746 int snd_pcm_hw_params_set_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00747 int snd_pcm_hw_params_set_period_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00748 int snd_pcm_hw_params_set_period_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00749 int snd_pcm_hw_params_set_period_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir); 00750 unsigned int snd_pcm_hw_params_set_period_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int *dir); 00751 unsigned int snd_pcm_hw_params_set_period_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir); 00752 unsigned int snd_pcm_hw_params_set_period_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir); 00753 00754 asm(".symver snd_pcm_hw_params_get_period_size,snd_pcm_hw_params_get_period_size@ALSA_0.9"); 00755 asm(".symver snd_pcm_hw_params_get_period_size_min,snd_pcm_hw_params_get_period_size_min@ALSA_0.9"); 00756 asm(".symver snd_pcm_hw_params_get_period_size_max,snd_pcm_hw_params_get_period_size_max@ALSA_0.9"); 00757 asm(".symver snd_pcm_hw_params_set_period_size_near,snd_pcm_hw_params_set_period_size_near@ALSA_0.9"); 00758 asm(".symver snd_pcm_hw_params_set_period_size_first,snd_pcm_hw_params_set_period_size_first@ALSA_0.9"); 00759 asm(".symver snd_pcm_hw_params_set_period_size_last,snd_pcm_hw_params_set_period_size_last@ALSA_0.9"); 00760 00761 snd_pcm_sframes_t snd_pcm_hw_params_get_period_size(const snd_pcm_hw_params_t *params, int *dir); 00762 snd_pcm_uframes_t snd_pcm_hw_params_get_period_size_min(const snd_pcm_hw_params_t *params, int *dir); 00763 snd_pcm_uframes_t snd_pcm_hw_params_get_period_size_max(const snd_pcm_hw_params_t *params, int *dir); 00764 int snd_pcm_hw_params_test_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir); 00765 int snd_pcm_hw_params_set_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir); 00766 int snd_pcm_hw_params_set_period_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir); 00767 int snd_pcm_hw_params_set_period_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir); 00768 int snd_pcm_hw_params_set_period_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, int *mindir, snd_pcm_uframes_t *max, int *maxdir); 00769 snd_pcm_uframes_t snd_pcm_hw_params_set_period_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int *dir); 00770 snd_pcm_uframes_t snd_pcm_hw_params_set_period_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir); 00771 snd_pcm_uframes_t snd_pcm_hw_params_set_period_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir); 00772 int snd_pcm_hw_params_set_period_size_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00773 00774 asm(".symver snd_pcm_hw_params_get_periods,snd_pcm_hw_params_get_periods@ALSA_0.9"); 00775 asm(".symver snd_pcm_hw_params_get_periods_min,snd_pcm_hw_params_get_periods_min@ALSA_0.9"); 00776 asm(".symver snd_pcm_hw_params_get_periods_max,snd_pcm_hw_params_get_periods_max@ALSA_0.9"); 00777 asm(".symver snd_pcm_hw_params_set_periods_near,snd_pcm_hw_params_set_periods_near@ALSA_0.9"); 00778 asm(".symver snd_pcm_hw_params_set_periods_first,snd_pcm_hw_params_set_periods_first@ALSA_0.9"); 00779 asm(".symver snd_pcm_hw_params_set_periods_last,snd_pcm_hw_params_set_periods_last@ALSA_0.9"); 00780 00781 int snd_pcm_hw_params_get_periods(const snd_pcm_hw_params_t *params, int *dir); 00782 unsigned int snd_pcm_hw_params_get_periods_min(const snd_pcm_hw_params_t *params, int *dir); 00783 unsigned int snd_pcm_hw_params_get_periods_max(const snd_pcm_hw_params_t *params, int *dir); 00784 int snd_pcm_hw_params_test_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00785 int snd_pcm_hw_params_set_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00786 int snd_pcm_hw_params_set_periods_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00787 int snd_pcm_hw_params_set_periods_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00788 int snd_pcm_hw_params_set_periods_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir); 00789 unsigned int snd_pcm_hw_params_set_periods_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int *dir); 00790 unsigned int snd_pcm_hw_params_set_periods_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir); 00791 unsigned int snd_pcm_hw_params_set_periods_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir); 00792 int snd_pcm_hw_params_set_periods_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00793 00794 asm(".symver snd_pcm_hw_params_get_buffer_time,snd_pcm_hw_params_get_buffer_time@ALSA_0.9"); 00795 asm(".symver snd_pcm_hw_params_get_buffer_time_min,snd_pcm_hw_params_get_buffer_time_min@ALSA_0.9"); 00796 asm(".symver snd_pcm_hw_params_get_buffer_time_max,snd_pcm_hw_params_get_buffer_time_max@ALSA_0.9"); 00797 asm(".symver snd_pcm_hw_params_set_buffer_time_near,snd_pcm_hw_params_set_buffer_time_near@ALSA_0.9"); 00798 asm(".symver snd_pcm_hw_params_set_buffer_time_first,snd_pcm_hw_params_set_buffer_time_first@ALSA_0.9"); 00799 asm(".symver snd_pcm_hw_params_set_buffer_time_last,snd_pcm_hw_params_set_buffer_time_last@ALSA_0.9"); 00800 00801 int snd_pcm_hw_params_get_buffer_time(const snd_pcm_hw_params_t *params, int *dir); 00802 unsigned int snd_pcm_hw_params_get_buffer_time_min(const snd_pcm_hw_params_t *params, int *dir); 00803 unsigned int snd_pcm_hw_params_get_buffer_time_max(const snd_pcm_hw_params_t *params, int *dir); 00804 int snd_pcm_hw_params_test_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00805 int snd_pcm_hw_params_set_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00806 int snd_pcm_hw_params_set_buffer_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00807 int snd_pcm_hw_params_set_buffer_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00808 int snd_pcm_hw_params_set_buffer_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir); 00809 unsigned int snd_pcm_hw_params_set_buffer_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int *dir); 00810 unsigned int snd_pcm_hw_params_set_buffer_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir); 00811 unsigned int snd_pcm_hw_params_set_buffer_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir); 00812 00813 asm(".symver snd_pcm_hw_params_get_buffer_size,snd_pcm_hw_params_get_buffer_size@ALSA_0.9"); 00814 asm(".symver snd_pcm_hw_params_get_buffer_size_min,snd_pcm_hw_params_get_buffer_size_min@ALSA_0.9"); 00815 asm(".symver snd_pcm_hw_params_get_buffer_size_max,snd_pcm_hw_params_get_buffer_size_max@ALSA_0.9"); 00816 asm(".symver snd_pcm_hw_params_set_buffer_size_near,snd_pcm_hw_params_set_buffer_size_near@ALSA_0.9"); 00817 asm(".symver snd_pcm_hw_params_set_buffer_size_first,snd_pcm_hw_params_set_buffer_size_first@ALSA_0.9"); 00818 asm(".symver snd_pcm_hw_params_set_buffer_size_last,snd_pcm_hw_params_set_buffer_size_last@ALSA_0.9"); 00819 00820 snd_pcm_sframes_t snd_pcm_hw_params_get_buffer_size(const snd_pcm_hw_params_t *params); 00821 snd_pcm_uframes_t snd_pcm_hw_params_get_buffer_size_min(const snd_pcm_hw_params_t *params); 00822 snd_pcm_uframes_t snd_pcm_hw_params_get_buffer_size_max(const snd_pcm_hw_params_t *params); 00823 int snd_pcm_hw_params_test_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val); 00824 int snd_pcm_hw_params_set_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val); 00825 int snd_pcm_hw_params_set_buffer_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); 00826 int snd_pcm_hw_params_set_buffer_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); 00827 int snd_pcm_hw_params_set_buffer_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, snd_pcm_uframes_t *max); 00828 snd_pcm_uframes_t snd_pcm_hw_params_set_buffer_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val); 00829 snd_pcm_uframes_t snd_pcm_hw_params_set_buffer_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00830 snd_pcm_uframes_t snd_pcm_hw_params_set_buffer_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 00831 00832 asm(".symver snd_pcm_hw_params_get_tick_time,snd_pcm_hw_params_get_tick_time@ALSA_0.9"); 00833 asm(".symver snd_pcm_hw_params_get_tick_time_min,snd_pcm_hw_params_get_tick_time_min@ALSA_0.9"); 00834 asm(".symver snd_pcm_hw_params_get_tick_time_max,snd_pcm_hw_params_get_tick_time_max@ALSA_0.9"); 00835 asm(".symver snd_pcm_hw_params_set_tick_time_near,snd_pcm_hw_params_set_tick_time_near@ALSA_0.9"); 00836 asm(".symver snd_pcm_hw_params_set_tick_time_first,snd_pcm_hw_params_set_tick_time_first@ALSA_0.9"); 00837 asm(".symver snd_pcm_hw_params_set_tick_time_last,snd_pcm_hw_params_set_tick_time_last@ALSA_0.9"); 00838 00839 int snd_pcm_hw_params_get_tick_time(const snd_pcm_hw_params_t *params, int *dir); 00840 unsigned int snd_pcm_hw_params_get_tick_time_min(const snd_pcm_hw_params_t *params, int *dir); 00841 unsigned int snd_pcm_hw_params_get_tick_time_max(const snd_pcm_hw_params_t *params, int *dir); 00842 int snd_pcm_hw_params_test_tick_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00843 int snd_pcm_hw_params_set_tick_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); 00844 int snd_pcm_hw_params_set_tick_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00845 int snd_pcm_hw_params_set_tick_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); 00846 int snd_pcm_hw_params_set_tick_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir); 00847 unsigned int snd_pcm_hw_params_set_tick_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int *dir); 00848 unsigned int snd_pcm_hw_params_set_tick_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir); 00849 unsigned int snd_pcm_hw_params_set_tick_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir); 00850 00851 #endif /* ALSA_PCM_OLD_HW_PARAMS_API */ 00852 #endif /* ALSA_LIBRARY_BUILD */ 00853 00854 int snd_pcm_hw_params_get_min_align(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); 00855 00865 size_t snd_pcm_sw_params_sizeof(void); 00870 #define snd_pcm_sw_params_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_sw_params_t *) alloca(snd_pcm_sw_params_sizeof()); memset(*ptr, 0, snd_pcm_sw_params_sizeof()); } while (0) 00871 int snd_pcm_sw_params_malloc(snd_pcm_sw_params_t **ptr); 00872 void snd_pcm_sw_params_free(snd_pcm_sw_params_t *obj); 00873 void snd_pcm_sw_params_copy(snd_pcm_sw_params_t *dst, const snd_pcm_sw_params_t *src); 00874 int snd_pcm_sw_params_get_boundary(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val); 00875 00876 #ifndef ALSA_LIBRARY_BUILD 00877 #ifndef ALSA_PCM_OLD_SW_PARAMS_API 00878 00879 int snd_pcm_sw_params_set_tstamp_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_tstamp_t val); 00880 int snd_pcm_sw_params_get_tstamp_mode(const snd_pcm_sw_params_t *params, snd_pcm_tstamp_t *val); 00881 int snd_pcm_sw_params_set_sleep_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, unsigned int val); 00882 int snd_pcm_sw_params_get_sleep_min(const snd_pcm_sw_params_t *params, unsigned int *val); 00883 int snd_pcm_sw_params_set_avail_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); 00884 int snd_pcm_sw_params_get_avail_min(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val); 00885 int snd_pcm_sw_params_set_xfer_align(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); 00886 int snd_pcm_sw_params_get_xfer_align(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val); 00887 int snd_pcm_sw_params_set_start_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); 00888 int snd_pcm_sw_params_get_start_threshold(const snd_pcm_sw_params_t *paramsm, snd_pcm_uframes_t *val); 00889 int snd_pcm_sw_params_set_stop_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); 00890 int snd_pcm_sw_params_get_stop_threshold(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val); 00891 int snd_pcm_sw_params_set_silence_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); 00892 int snd_pcm_sw_params_get_silence_threshold(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val); 00893 int snd_pcm_sw_params_set_silence_size(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); 00894 int snd_pcm_sw_params_get_silence_size(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val); 00895 00896 #else 00897 00898 asm(".symver snd_pcm_sw_params_get_tstamp_mode,snd_pcm_sw_params_get_tstamp_mode@ALSA_0.9"); 00899 asm(".symver snd_pcm_sw_params_get_sleep_min,snd_pcm_sw_params_get_sleep_min@ALSA_0.9"); 00900 asm(".symver snd_pcm_sw_params_get_avail_min,snd_pcm_sw_params_get_avail_min@ALSA_0.9"); 00901 asm(".symver snd_pcm_sw_params_get_xfer_align,snd_pcm_sw_params_get_xfer_align@ALSA_0.9"); 00902 asm(".symver snd_pcm_sw_params_get_start_threshold,snd_pcm_sw_params_get_start_threshold@ALSA_0.9"); 00903 asm(".symver snd_pcm_sw_params_get_stop_threshold,snd_pcm_sw_params_set_stop_threshold@ALSA_0.9"); 00904 asm(".symver snd_pcm_sw_params_get_silence_threshold,snd_pcm_sw_params_get_silence_threshold@ALSA_0.9"); 00905 asm(".symver snd_pcm_sw_params_get_silence_size,snd_pcm_sw_params_get_silence_size@ALSA_0.9"); 00906 00907 int snd_pcm_sw_params_set_tstamp_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_tstamp_t val); 00908 snd_pcm_tstamp_t snd_pcm_sw_params_get_tstamp_mode(const snd_pcm_sw_params_t *params); 00909 int snd_pcm_sw_params_set_sleep_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, unsigned int val); 00910 unsigned int snd_pcm_sw_params_get_sleep_min(const snd_pcm_sw_params_t *params); 00911 int snd_pcm_sw_params_set_avail_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); 00912 snd_pcm_uframes_t snd_pcm_sw_params_get_avail_min(const snd_pcm_sw_params_t *params); 00913 int snd_pcm_sw_params_set_xfer_align(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); 00914 snd_pcm_uframes_t snd_pcm_sw_params_get_xfer_align(const snd_pcm_sw_params_t *params); 00915 int snd_pcm_sw_params_set_start_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); 00916 snd_pcm_uframes_t snd_pcm_sw_params_get_start_threshold(const snd_pcm_sw_params_t *params); 00917 int snd_pcm_sw_params_set_stop_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); 00918 snd_pcm_uframes_t snd_pcm_sw_params_get_stop_threshold(const snd_pcm_sw_params_t *params); 00919 int snd_pcm_sw_params_set_silence_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); 00920 snd_pcm_uframes_t snd_pcm_sw_params_get_silence_threshold(const snd_pcm_sw_params_t *params); 00921 int snd_pcm_sw_params_set_silence_size(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); 00922 snd_pcm_uframes_t snd_pcm_sw_params_get_silence_size(const snd_pcm_sw_params_t *params); 00923 00924 #endif /* ALSA_PCM_OLD_SW_PARAMS_API */ 00925 #endif /* ALSA_LIBRARY_BUILD */ 00926 00936 size_t snd_pcm_access_mask_sizeof(void); 00941 #define snd_pcm_access_mask_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_access_mask_t *) alloca(snd_pcm_access_mask_sizeof()); memset(*ptr, 0, snd_pcm_access_mask_sizeof()); } while (0) 00942 int snd_pcm_access_mask_malloc(snd_pcm_access_mask_t **ptr); 00943 void snd_pcm_access_mask_free(snd_pcm_access_mask_t *obj); 00944 void snd_pcm_access_mask_copy(snd_pcm_access_mask_t *dst, const snd_pcm_access_mask_t *src); 00945 void snd_pcm_access_mask_none(snd_pcm_access_mask_t *mask); 00946 void snd_pcm_access_mask_any(snd_pcm_access_mask_t *mask); 00947 int snd_pcm_access_mask_test(const snd_pcm_access_mask_t *mask, snd_pcm_access_t val); 00948 int snd_pcm_access_mask_empty(const snd_pcm_access_mask_t *mask); 00949 void snd_pcm_access_mask_set(snd_pcm_access_mask_t *mask, snd_pcm_access_t val); 00950 void snd_pcm_access_mask_reset(snd_pcm_access_mask_t *mask, snd_pcm_access_t val); 00951 00961 size_t snd_pcm_format_mask_sizeof(void); 00966 #define snd_pcm_format_mask_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_format_mask_t *) alloca(snd_pcm_format_mask_sizeof()); memset(*ptr, 0, snd_pcm_format_mask_sizeof()); } while (0) 00967 int snd_pcm_format_mask_malloc(snd_pcm_format_mask_t **ptr); 00968 void snd_pcm_format_mask_free(snd_pcm_format_mask_t *obj); 00969 void snd_pcm_format_mask_copy(snd_pcm_format_mask_t *dst, const snd_pcm_format_mask_t *src); 00970 void snd_pcm_format_mask_none(snd_pcm_format_mask_t *mask); 00971 void snd_pcm_format_mask_any(snd_pcm_format_mask_t *mask); 00972 int snd_pcm_format_mask_test(const snd_pcm_format_mask_t *mask, snd_pcm_format_t val); 00973 int snd_pcm_format_mask_empty(const snd_pcm_format_mask_t *mask); 00974 void snd_pcm_format_mask_set(snd_pcm_format_mask_t *mask, snd_pcm_format_t val); 00975 void snd_pcm_format_mask_reset(snd_pcm_format_mask_t *mask, snd_pcm_format_t val); 00976 00986 size_t snd_pcm_subformat_mask_sizeof(void); 00991 #define snd_pcm_subformat_mask_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_subformat_mask_t *) alloca(snd_pcm_subformat_mask_sizeof()); memset(*ptr, 0, snd_pcm_subformat_mask_sizeof()); } while (0) 00992 int snd_pcm_subformat_mask_malloc(snd_pcm_subformat_mask_t **ptr); 00993 void snd_pcm_subformat_mask_free(snd_pcm_subformat_mask_t *obj); 00994 void snd_pcm_subformat_mask_copy(snd_pcm_subformat_mask_t *dst, const snd_pcm_subformat_mask_t *src); 00995 void snd_pcm_subformat_mask_none(snd_pcm_subformat_mask_t *mask); 00996 void snd_pcm_subformat_mask_any(snd_pcm_subformat_mask_t *mask); 00997 int snd_pcm_subformat_mask_test(const snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val); 00998 int snd_pcm_subformat_mask_empty(const snd_pcm_subformat_mask_t *mask); 00999 void snd_pcm_subformat_mask_set(snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val); 01000 void snd_pcm_subformat_mask_reset(snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val); 01001 01011 size_t snd_pcm_status_sizeof(void); 01016 #define snd_pcm_status_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_status_t *) alloca(snd_pcm_status_sizeof()); memset(*ptr, 0, snd_pcm_status_sizeof()); } while (0) 01017 int snd_pcm_status_malloc(snd_pcm_status_t **ptr); 01018 void snd_pcm_status_free(snd_pcm_status_t *obj); 01019 void snd_pcm_status_copy(snd_pcm_status_t *dst, const snd_pcm_status_t *src); 01020 snd_pcm_state_t snd_pcm_status_get_state(const snd_pcm_status_t *obj); 01021 void snd_pcm_status_get_trigger_tstamp(const snd_pcm_status_t *obj, snd_timestamp_t *ptr); 01022 void snd_pcm_status_get_trigger_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr); 01023 void snd_pcm_status_get_tstamp(const snd_pcm_status_t *obj, snd_timestamp_t *ptr); 01024 void snd_pcm_status_get_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr); 01025 snd_pcm_sframes_t snd_pcm_status_get_delay(const snd_pcm_status_t *obj); 01026 snd_pcm_uframes_t snd_pcm_status_get_avail(const snd_pcm_status_t *obj); 01027 snd_pcm_uframes_t snd_pcm_status_get_avail_max(const snd_pcm_status_t *obj); 01028 snd_pcm_uframes_t snd_pcm_status_get_overrange(const snd_pcm_status_t *obj); 01029 01039 const char *snd_pcm_type_name(snd_pcm_type_t type); 01040 const char *snd_pcm_stream_name(const snd_pcm_stream_t stream); 01041 const char *snd_pcm_access_name(const snd_pcm_access_t _access); 01042 const char *snd_pcm_format_name(const snd_pcm_format_t format); 01043 const char *snd_pcm_format_description(const snd_pcm_format_t format); 01044 const char *snd_pcm_subformat_name(const snd_pcm_subformat_t subformat); 01045 const char *snd_pcm_subformat_description(const snd_pcm_subformat_t subformat); 01046 snd_pcm_format_t snd_pcm_format_value(const char* name); 01047 const char *snd_pcm_tstamp_mode_name(const snd_pcm_tstamp_t mode); 01048 const char *snd_pcm_state_name(const snd_pcm_state_t state); 01049 01059 int snd_pcm_dump(snd_pcm_t *pcm, snd_output_t *out); 01060 int snd_pcm_dump_hw_setup(snd_pcm_t *pcm, snd_output_t *out); 01061 int snd_pcm_dump_sw_setup(snd_pcm_t *pcm, snd_output_t *out); 01062 int snd_pcm_dump_setup(snd_pcm_t *pcm, snd_output_t *out); 01063 int snd_pcm_hw_params_dump(snd_pcm_hw_params_t *params, snd_output_t *out); 01064 int snd_pcm_sw_params_dump(snd_pcm_sw_params_t *params, snd_output_t *out); 01065 int snd_pcm_status_dump(snd_pcm_status_t *status, snd_output_t *out); 01066 01076 int snd_pcm_mmap_begin(snd_pcm_t *pcm, 01077 const snd_pcm_channel_area_t **areas, 01078 snd_pcm_uframes_t *offset, 01079 snd_pcm_uframes_t *frames); 01080 snd_pcm_sframes_t snd_pcm_mmap_commit(snd_pcm_t *pcm, 01081 snd_pcm_uframes_t offset, 01082 snd_pcm_uframes_t frames); 01083 snd_pcm_sframes_t snd_pcm_mmap_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size); 01084 snd_pcm_sframes_t snd_pcm_mmap_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size); 01085 snd_pcm_sframes_t snd_pcm_mmap_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size); 01086 snd_pcm_sframes_t snd_pcm_mmap_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size); 01087 01097 int snd_pcm_format_signed(snd_pcm_format_t format); 01098 int snd_pcm_format_unsigned(snd_pcm_format_t format); 01099 int snd_pcm_format_linear(snd_pcm_format_t format); 01100 int snd_pcm_format_float(snd_pcm_format_t format); 01101 int snd_pcm_format_little_endian(snd_pcm_format_t format); 01102 int snd_pcm_format_big_endian(snd_pcm_format_t format); 01103 int snd_pcm_format_cpu_endian(snd_pcm_format_t format); 01104 int snd_pcm_format_width(snd_pcm_format_t format); /* in bits */ 01105 int snd_pcm_format_physical_width(snd_pcm_format_t format); /* in bits */ 01106 snd_pcm_format_t snd_pcm_build_linear_format(int width, int pwidth, int unsignd, int big_endian); 01107 ssize_t snd_pcm_format_size(snd_pcm_format_t format, size_t samples); 01108 u_int8_t snd_pcm_format_silence(snd_pcm_format_t format); 01109 u_int16_t snd_pcm_format_silence_16(snd_pcm_format_t format); 01110 u_int32_t snd_pcm_format_silence_32(snd_pcm_format_t format); 01111 u_int64_t snd_pcm_format_silence_64(snd_pcm_format_t format); 01112 int snd_pcm_format_set_silence(snd_pcm_format_t format, void *buf, unsigned int samples); 01113 01114 snd_pcm_sframes_t snd_pcm_bytes_to_frames(snd_pcm_t *pcm, ssize_t bytes); 01115 ssize_t snd_pcm_frames_to_bytes(snd_pcm_t *pcm, snd_pcm_sframes_t frames); 01116 long snd_pcm_bytes_to_samples(snd_pcm_t *pcm, ssize_t bytes); 01117 ssize_t snd_pcm_samples_to_bytes(snd_pcm_t *pcm, long samples); 01118 01119 int snd_pcm_area_silence(const snd_pcm_channel_area_t *dst_channel, snd_pcm_uframes_t dst_offset, 01120 unsigned int samples, snd_pcm_format_t format); 01121 int snd_pcm_areas_silence(const snd_pcm_channel_area_t *dst_channels, snd_pcm_uframes_t dst_offset, 01122 unsigned int channels, snd_pcm_uframes_t frames, snd_pcm_format_t format); 01123 int snd_pcm_area_copy(const snd_pcm_channel_area_t *dst_channel, snd_pcm_uframes_t dst_offset, 01124 const snd_pcm_channel_area_t *src_channel, snd_pcm_uframes_t src_offset, 01125 unsigned int samples, snd_pcm_format_t format); 01126 int snd_pcm_areas_copy(const snd_pcm_channel_area_t *dst_channels, snd_pcm_uframes_t dst_offset, 01127 const snd_pcm_channel_area_t *src_channels, snd_pcm_uframes_t src_offset, 01128 unsigned int channels, snd_pcm_uframes_t frames, snd_pcm_format_t format); 01129 01140 typedef enum _snd_pcm_hook_type { 01141 SND_PCM_HOOK_TYPE_HW_PARAMS = 0, 01142 SND_PCM_HOOK_TYPE_HW_FREE, 01143 SND_PCM_HOOK_TYPE_CLOSE, 01144 SND_PCM_HOOK_TYPE_LAST = SND_PCM_HOOK_TYPE_CLOSE 01145 } snd_pcm_hook_type_t; 01146 01148 typedef struct _snd_pcm_hook snd_pcm_hook_t; 01150 typedef int (*snd_pcm_hook_func_t)(snd_pcm_hook_t *hook); 01151 snd_pcm_t *snd_pcm_hook_get_pcm(snd_pcm_hook_t *hook); 01152 void *snd_pcm_hook_get_private(snd_pcm_hook_t *hook); 01153 void snd_pcm_hook_set_private(snd_pcm_hook_t *hook, void *private_data); 01154 int snd_pcm_hook_add(snd_pcm_hook_t **hookp, snd_pcm_t *pcm, 01155 snd_pcm_hook_type_t type, 01156 snd_pcm_hook_func_t func, void *private_data); 01157 int snd_pcm_hook_remove(snd_pcm_hook_t *hook); 01158 01169 typedef struct _snd_pcm_scope_ops { 01173 int (*enable)(snd_pcm_scope_t *scope); 01177 void (*disable)(snd_pcm_scope_t *scope); 01181 void (*start)(snd_pcm_scope_t *scope); 01185 void (*stop)(snd_pcm_scope_t *scope); 01189 void (*update)(snd_pcm_scope_t *scope); 01193 void (*reset)(snd_pcm_scope_t *scope); 01197 void (*close)(snd_pcm_scope_t *scope); 01198 } snd_pcm_scope_ops_t; 01199 01200 snd_pcm_uframes_t snd_pcm_meter_get_bufsize(snd_pcm_t *pcm); 01201 unsigned int snd_pcm_meter_get_channels(snd_pcm_t *pcm); 01202 unsigned int snd_pcm_meter_get_rate(snd_pcm_t *pcm); 01203 snd_pcm_uframes_t snd_pcm_meter_get_now(snd_pcm_t *pcm); 01204 snd_pcm_uframes_t snd_pcm_meter_get_boundary(snd_pcm_t *pcm); 01205 int snd_pcm_meter_add_scope(snd_pcm_t *pcm, snd_pcm_scope_t *scope); 01206 snd_pcm_scope_t *snd_pcm_meter_search_scope(snd_pcm_t *pcm, const char *name); 01207 int snd_pcm_scope_malloc(snd_pcm_scope_t **ptr); 01208 void snd_pcm_scope_set_ops(snd_pcm_scope_t *scope, snd_pcm_scope_ops_t *val); 01209 void snd_pcm_scope_set_name(snd_pcm_scope_t *scope, const char *val); 01210 const char *snd_pcm_scope_get_name(snd_pcm_scope_t *scope); 01211 void *snd_pcm_scope_get_callback_private(snd_pcm_scope_t *scope); 01212 void snd_pcm_scope_set_callback_private(snd_pcm_scope_t *scope, void *val); 01213 int snd_pcm_scope_s16_open(snd_pcm_t *pcm, const char *name, 01214 snd_pcm_scope_t **scopep); 01215 int16_t *snd_pcm_scope_s16_get_channel_buffer(snd_pcm_scope_t *scope, 01216 unsigned int channel); 01217 01228 typedef enum _snd_spcm_latency { 01231 SND_SPCM_LATENCY_STANDARD = 0, 01234 SND_SPCM_LATENCY_MEDIUM, 01237 SND_SPCM_LATENCY_REALTIME 01238 } snd_spcm_latency_t; 01239 01241 typedef enum _snd_spcm_xrun_type { 01243 SND_SPCM_XRUN_IGNORE = 0, 01245 SND_SPCM_XRUN_STOP 01246 } snd_spcm_xrun_type_t; 01247 01249 typedef enum _snd_spcm_duplex_type { 01251 SND_SPCM_DUPLEX_LIBERAL = 0, 01253 SND_SPCM_DUPLEX_PEDANTIC 01254 } snd_spcm_duplex_type_t; 01255 01256 int snd_spcm_init(snd_pcm_t *pcm, 01257 unsigned int rate, 01258 unsigned int channels, 01259 snd_pcm_format_t format, 01260 snd_pcm_subformat_t subformat, 01261 snd_spcm_latency_t latency, 01262 snd_pcm_access_t _access, 01263 snd_spcm_xrun_type_t xrun_type); 01264 01265 int snd_spcm_init_duplex(snd_pcm_t *playback_pcm, 01266 snd_pcm_t *capture_pcm, 01267 unsigned int rate, 01268 unsigned int channels, 01269 snd_pcm_format_t format, 01270 snd_pcm_subformat_t subformat, 01271 snd_spcm_latency_t latency, 01272 snd_pcm_access_t _access, 01273 snd_spcm_xrun_type_t xrun_type, 01274 snd_spcm_duplex_type_t duplex_type); 01275 01276 int snd_spcm_init_get_params(snd_pcm_t *pcm, 01277 unsigned int *rate, 01278 snd_pcm_uframes_t *buffer_size, 01279 snd_pcm_uframes_t *period_size); 01280 01290 /* Deprecated functions, for compatibility */ 01291 const char *snd_pcm_start_mode_name(snd_pcm_start_t mode); 01292 const char *snd_pcm_xrun_mode_name(snd_pcm_xrun_t mode); 01293 int snd_pcm_sw_params_set_start_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_start_t val); 01294 snd_pcm_start_t snd_pcm_sw_params_get_start_mode(const snd_pcm_sw_params_t *params); 01295 int snd_pcm_sw_params_set_xrun_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_xrun_t val); 01296 snd_pcm_xrun_t snd_pcm_sw_params_get_xrun_mode(const snd_pcm_sw_params_t *params); 01297 01300 #ifdef __cplusplus 01301 } 01302 #endif 01303 01304 #endif /* __ALSA_PCM_H */

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