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    00001
    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_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;
    00047
    00062 typedef struct _snd_pcm_hw_params snd_pcm_hw_params_t;
    00063
    00065 typedef struct _snd_pcm_sw_params snd_pcm_sw_params_t;
    00067  typedef struct _snd_pcm_status snd_pcm_status_t;
    00069 typedef struct _snd_pcm_access_mask snd_pcm_access_mask_t;
    00071 typedef struct _snd_pcm_format_mask snd_pcm_format_mask_t;
    00073 typedef struct _snd_pcm_subformat_mask snd_pcm_subformat_mask_t;
    00074
    00076 typedef enum _snd_pcm_class {
    00079         SND_PCM_CLASS_GENERIC = 0,
    00081         SND_PCM_CLASS_MULTI,
    00083         SND_PCM_CLASS_MODEM,
    00085         SND_PCM_CLASS_DIGITIZER,
    00086         SND_PCM_CLASS_LAST = SND_PCM_CLASS_DIGITIZER
    00087 } snd_pcm_class_t;
    00088
    00090 typedef enum _snd_pcm_subclass {
    00092         SND_PCM_SUBCLASS_GENERIC_MIX = 0,
    00094         SND_PCM_SUBCLASS_MULTI_MIX,
    00095         SND_PCM_SUBCLASS_LAST = SND_PCM_SUBCLASS_MULTI_MIX
    00096 } snd_pcm_subclass_t;
    00097
    00099 typedef enum _snd_pcm_stream {
    00101         SND_PCM_STREAM_PLAYBACK = 0,
    00103         SND_PCM_STREAM_CAPTURE,
    00104         SND_PCM_STREAM_LAST = SND_PCM_STREAM_CAPTURE
    00105 } snd_pcm_stream_t;
    00106
    00108 typedef enum _snd_pcm_access {
    00110         SND_PCM_ACCESS_MMAP_INTERLEAVED = 0,
    00112         SND_PCM_ACCESS_MMAP_NONINTERLEAVED,
    00114         SND_PCM_ACCESS_MMAP_COMPLEX,
    00116         SND_PCM_ACCESS_RW_INTERLEAVED,
    00118         SND_PCM_ACCESS_RW_NONINTERLEAVED,
    00119         SND_PCM_ACCESS_LAST = SND_PCM_ACCESS_RW_NONINTERLEAVED
    00120 } snd_pcm_access_t;
    00121
    00123 typedef enum _snd_pcm_format {
    00125         SND_PCM_FORMAT_UNKNOWN = -1,
    00127         SND_PCM_FORMAT_S8 = 0,
    00129         SND_PCM_FORMAT_U8,
    00131         SND_PCM_FORMAT_S16_LE,
    00133         SND_PCM_FORMAT_S16_BE,
    00135         SND_PCM_FORMAT_U16_LE,
    00137         SND_PCM_FORMAT_U16_BE,
    00139         SND_PCM_FORMAT_S24_LE,
    00141         SND_PCM_FORMAT_S24_BE,
    00143         SND_PCM_FORMAT_U24_LE,
    00145         SND_PCM_FORMAT_U24_BE,
    00147         SND_PCM_FORMAT_S32_LE,
    00149         SND_PCM_FORMAT_S32_BE,
    00151         SND_PCM_FORMAT_U32_LE,
    00153         SND_PCM_FORMAT_U32_BE,
    00155         SND_PCM_FORMAT_FLOAT_LE,
    00157         SND_PCM_FORMAT_FLOAT_BE,
    00159         SND_PCM_FORMAT_FLOAT64_LE,
    00161         SND_PCM_FORMAT_FLOAT64_BE,
    00163         SND_PCM_FORMAT_IEC958_SUBFRAME_LE,
    00165         SND_PCM_FORMAT_IEC958_SUBFRAME_BE,
    00167         SND_PCM_FORMAT_MU_LAW,
    00169         SND_PCM_FORMAT_A_LAW,
    00171         SND_PCM_FORMAT_IMA_ADPCM,
    00173         SND_PCM_FORMAT_MPEG,
    00175         SND_PCM_FORMAT_GSM,
    00177         SND_PCM_FORMAT_SPECIAL = 31,
    00179         SND_PCM_FORMAT_S24_3LE = 32,
    00181         SND_PCM_FORMAT_S24_3BE,
    00183         SND_PCM_FORMAT_U24_3LE,
    00185         SND_PCM_FORMAT_U24_3BE,
    00187         SND_PCM_FORMAT_S20_3LE,
    00189         SND_PCM_FORMAT_S20_3BE,
    00191         SND_PCM_FORMAT_U20_3LE,
    00193         SND_PCM_FORMAT_U20_3BE,
    00195         SND_PCM_FORMAT_S18_3LE,
    00197         SND_PCM_FORMAT_S18_3BE,
    00199         SND_PCM_FORMAT_U18_3LE,
    00201         SND_PCM_FORMAT_U18_3BE,
    00202         /* G.723 (ADPCM) 24 kbit/s, 8 samples in 3 bytes */
    00203         SND_PCM_FORMAT_G723_24,
    00204         /* G.723 (ADPCM) 24 kbit/s, 1 sample in 1 byte */
    00205         SND_PCM_FORMAT_G723_24_1B,
    00206         /* G.723 (ADPCM) 40 kbit/s, 8 samples in 3 bytes */
    00207         SND_PCM_FORMAT_G723_40,
    00208         /* G.723 (ADPCM) 40 kbit/s, 1 sample in 1 byte */
    00209         SND_PCM_FORMAT_G723_40_1B,
    00210         /* Direct Stream Digital (DSD) in 1-byte samples (x8) */
    00211         SND_PCM_FORMAT_DSD_U8,
    00212         /* Direct Stream Digital (DSD) in 2-byte samples (x16) */
    00213         SND_PCM_FORMAT_DSD_U16_LE,
    00214         /* Direct Stream Digital (DSD) in 4-byte samples (x32) */
    00215         SND_PCM_FORMAT_DSD_U32_LE,
    00216         /* Direct Stream Digital (DSD) in 2-byte samples (x16) */
    00217         SND_PCM_FORMAT_DSD_U16_BE,
    00218         /* Direct Stream Digital (DSD) in 4-byte samples (x32) */
    00219         SND_PCM_FORMAT_DSD_U32_BE,
    00220         SND_PCM_FORMAT_LAST = SND_PCM_FORMAT_DSD_U32_BE,
    00221
    00222 #if __BYTE_ORDER == __LITTLE_ENDIAN
    00223
    00224         SND_PCM_FORMAT_S16 = SND_PCM_FORMAT_S16_LE,
    00226         SND_PCM_FORMAT_U16 = SND_PCM_FORMAT_U16_LE,
    00228         SND_PCM_FORMAT_S24 = SND_PCM_FORMAT_S24_LE,
    00230         SND_PCM_FORMAT_U24 = SND_PCM_FORMAT_U24_LE,
    00232         SND_PCM_FORMAT_S32 = SND_PCM_FORMAT_S32_LE,
    00234         SND_PCM_FORMAT_U32 = SND_PCM_FORMAT_U32_LE,
    00236         SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_LE,
    00238         SND_PCM_FORMAT_FLOAT64 = SND_PCM_FORMAT_FLOAT64_LE,
    00240         SND_PCM_FORMAT_IEC958_SUBFRAME = SND_PCM_FORMAT_IEC958_SUBFRAME_LE
    00241 #elif __BYTE_ORDER == __BIG_ENDIAN
    00242
    00243         SND_PCM_FORMAT_S16 = SND_PCM_FORMAT_S16_BE,
    00245         SND_PCM_FORMAT_U16 = SND_PCM_FORMAT_U16_BE,
    00247         SND_PCM_FORMAT_S24 = SND_PCM_FORMAT_S24_BE,
    00249         SND_PCM_FORMAT_U24 = SND_PCM_FORMAT_U24_BE,
    00251         SND_PCM_FORMAT_S32 = SND_PCM_FORMAT_S32_BE,
    00253         SND_PCM_FORMAT_U32 = SND_PCM_FORMAT_U32_BE,
    00255         SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_BE,
    00257         SND_PCM_FORMAT_FLOAT64 = SND_PCM_FORMAT_FLOAT64_BE,
    00259         SND_PCM_FORMAT_IEC958_SUBFRAME = SND_PCM_FORMAT_IEC958_SUBFRAME_BE
    00260 #else
    00261 #error "Unknown endian"
    00262 #endif
    00263 } snd_pcm_format_t;
    00264
    00266 typedef enum _snd_pcm_subformat {
    00268         SND_PCM_SUBFORMAT_STD = 0,
    00269         SND_PCM_SUBFORMAT_LAST = SND_PCM_SUBFORMAT_STD
    00270 } snd_pcm_subformat_t;
    00271
    00273 typedef enum _snd_pcm_state {
    00275         SND_PCM_STATE_OPEN = 0,
    00277         SND_PCM_STATE_SETUP,
    00279         SND_PCM_STATE_PREPARED,
    00281         SND_PCM_STATE_RUNNING,
    00283         SND_PCM_STATE_XRUN,
    00285         SND_PCM_STATE_DRAINING,
    00287         SND_PCM_STATE_PAUSED,
    00289         SND_PCM_STATE_SUSPENDED,
    00291         SND_PCM_STATE_DISCONNECTED,
    00292         SND_PCM_STATE_LAST = SND_PCM_STATE_DISCONNECTED
    00293 } snd_pcm_state_t;
    00294
    00296 typedef enum _snd_pcm_start {
    00298         SND_PCM_START_DATA = 0,
    00300         SND_PCM_START_EXPLICIT,
    00301         SND_PCM_START_LAST = SND_PCM_START_EXPLICIT
    00302 } snd_pcm_start_t;
    00303
    00305 typedef enum _snd_pcm_xrun {
    00307         SND_PCM_XRUN_NONE = 0,
    00309         SND_PCM_XRUN_STOP,
    00310         SND_PCM_XRUN_LAST = SND_PCM_XRUN_STOP
    00311 } snd_pcm_xrun_t;
    00312
    00314 typedef enum _snd_pcm_tstamp {
    00316         SND_PCM_TSTAMP_NONE = 0,
    00318         SND_PCM_TSTAMP_ENABLE,
    00322         SND_PCM_TSTAMP_MMAP = SND_PCM_TSTAMP_ENABLE,
    00323         SND_PCM_TSTAMP_LAST = SND_PCM_TSTAMP_ENABLE
    00324 } snd_pcm_tstamp_t;
    00325
    00326 typedef enum _snd_pcm_tstamp_type {
    00327         SND_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0,
    00328         SND_PCM_TSTAMP_TYPE_MONOTONIC,
    00329         SND_PCM_TSTAMP_TYPE_MONOTONIC_RAW,
    00330         SND_PCM_TSTAMP_TYPE_LAST = SND_PCM_TSTAMP_TYPE_MONOTONIC_RAW,
    00331 } snd_pcm_tstamp_type_t;
    00332
    00333 typedef struct _snd_pcm_audio_tstamp_config {
    00334         /* 5 of max 16 bits used */
    00335         unsigned int type_requested:4;
    00336         unsigned int report_delay:1; /* add total delay to A/D or D/A */
    00337 } snd_pcm_audio_tstamp_config_t;
    00338
    00339 typedef struct _snd_pcm_audio_tstamp_report {
    00340         /* 6 of max 16 bits used for bit-fields */
    00341
    00342         /* for backwards compatibility */
    00343         unsigned int valid:1;
    00344
    00345         /* actual type if hardware could not support requested timestamp */
    00346         unsigned int actual_type:4;
    00347
    00348         /* accuracy represented in ns units */
    00349         unsigned int accuracy_report:1; /* 0 if accuracy unknown, 1 if accuracy field is valid */
    00350         unsigned int accuracy; /* up to 4.29s, will be packed in separate field  */
    00351 } snd_pcm_audio_tstamp_report_t;
    00352
    00354 typedef unsigned long snd_pcm_uframes_t;
    00356 typedef long snd_pcm_sframes_t;
    00357
    00359 #define SND_PCM_NONBLOCK                0x00000001
    00360
    00361 #define SND_PCM_ASYNC                   0x00000002
    00362
    00363 #define SND_PCM_ABORT                   0x00008000
    00364
    00365 #define SND_PCM_NO_AUTO_RESAMPLE        0x00010000
    00366
    00367 #define SND_PCM_NO_AUTO_CHANNELS        0x00020000
    00368
    00369 #define SND_PCM_NO_AUTO_FORMAT          0x00040000
    00370
    00371 #define SND_PCM_NO_SOFTVOL              0x00080000
    00372
    00374 typedef struct _snd_pcm snd_pcm_t;
    00375
    00377 enum _snd_pcm_type {
    00379         SND_PCM_TYPE_HW = 0,
    00381         SND_PCM_TYPE_HOOKS,
    00384         SND_PCM_TYPE_MULTI,
    00386         SND_PCM_TYPE_FILE,
    00388         SND_PCM_TYPE_NULL,
    00390         SND_PCM_TYPE_SHM,
    00392         SND_PCM_TYPE_INET,
    00394         SND_PCM_TYPE_COPY,
    00396         SND_PCM_TYPE_LINEAR,
    00398         SND_PCM_TYPE_ALAW,
    00400         SND_PCM_TYPE_MULAW,
    00402         SND_PCM_TYPE_ADPCM,
    00404         SND_PCM_TYPE_RATE,
    00406         SND_PCM_TYPE_ROUTE,
    00408         SND_PCM_TYPE_PLUG,
    00410         SND_PCM_TYPE_SHARE,
    00412         SND_PCM_TYPE_METER,
    00414         SND_PCM_TYPE_MIX,
    00416         SND_PCM_TYPE_DROUTE,
    00418         SND_PCM_TYPE_LBSERVER,
    00420         SND_PCM_TYPE_LINEAR_FLOAT,
    00422         SND_PCM_TYPE_LADSPA,
    00424         SND_PCM_TYPE_DMIX,
    00426         SND_PCM_TYPE_JACK,
    00428         SND_PCM_TYPE_DSNOOP,
    00430         SND_PCM_TYPE_DSHARE,
    00432         SND_PCM_TYPE_IEC958,
    00434         SND_PCM_TYPE_SOFTVOL,
    00436         SND_PCM_TYPE_IOPLUG,
    00438         SND_PCM_TYPE_EXTPLUG,
    00440         SND_PCM_TYPE_MMAP_EMUL,
    00441         SND_PCM_TYPE_LAST = SND_PCM_TYPE_MMAP_EMUL
    00442 };
    00443
    00445 typedef enum _snd_pcm_type snd_pcm_type_t;
    00446
    00448 typedef struct _snd_pcm_channel_area {
    00450         void *addr;
    00452         unsigned int first;
    00454         unsigned int step;
    00455 } snd_pcm_channel_area_t;
    00456
    00458 typedef union _snd_pcm_sync_id {
    00460         unsigned char id[16];
    00462         unsigned short id16[8];
    00464         unsigned int id32[4];
    00465 } snd_pcm_sync_id_t;
    00466
    00468 typedef struct _snd_pcm_scope snd_pcm_scope_t;
    00469
    00470 int snd_pcm_open(snd_pcm_t **pcm, const char *name,
    00471                  snd_pcm_stream_t stream, int mode);
    00472 int snd_pcm_open_lconf(snd_pcm_t **pcm, const char *name,
    00473                        snd_pcm_stream_t stream, int mode,
    00474                        snd_config_t *lconf);
    00475 int snd_pcm_open_fallback(snd_pcm_t **pcm, snd_config_t *root,
    00476                           const char *name, const char *orig_name,
    00477                           snd_pcm_stream_t stream, int mode);
    00478
    00479 int snd_pcm_close(snd_pcm_t *pcm);
    00480 const char *snd_pcm_name(snd_pcm_t *pcm);
    00481 snd_pcm_type_t snd_pcm_type(snd_pcm_t *pcm);
    00482 snd_pcm_stream_t snd_pcm_stream(snd_pcm_t *pcm);
    00483 int snd_pcm_poll_descriptors_count(snd_pcm_t *pcm);
    00484 int snd_pcm_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space);
    00485 int snd_pcm_poll_descriptors_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
    00486 int snd_pcm_nonblock(snd_pcm_t *pcm, int nonblock);
    00487 static __inline__ int snd_pcm_abort(snd_pcm_t *pcm) { return snd_pcm_nonblock(pcm, 2); }
    00488 int snd_async_add_pcm_handler(snd_async_handler_t **handler, snd_pcm_t *pcm,
    00489                               snd_async_callback_t callback, void *private_data);
    00490 snd_pcm_t *snd_async_handler_get_pcm(snd_async_handler_t *handler);
    00491 int snd_pcm_info(snd_pcm_t *pcm, snd_pcm_info_t *info);
    00492 int snd_pcm_hw_params_current(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
    00493 int snd_pcm_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
    00494 int snd_pcm_hw_free(snd_pcm_t *pcm);
    00495 int snd_pcm_sw_params_current(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
    00496 int snd_pcm_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
    00497 int snd_pcm_prepare(snd_pcm_t *pcm);
    00498 int snd_pcm_reset(snd_pcm_t *pcm);
    00499 int snd_pcm_status(snd_pcm_t *pcm, snd_pcm_status_t *status);
    00500 int snd_pcm_start(snd_pcm_t *pcm);
    00501 int snd_pcm_drop(snd_pcm_t *pcm);
    00502 int snd_pcm_drain(snd_pcm_t *pcm);
    00503 int snd_pcm_pause(snd_pcm_t *pcm, int enable);
    00504 snd_pcm_state_t snd_pcm_state(snd_pcm_t *pcm);
    00505 int snd_pcm_hwsync(snd_pcm_t *pcm);
    00506 int snd_pcm_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp);
    00507 int snd_pcm_resume(snd_pcm_t *pcm);
    00508 int snd_pcm_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail, snd_htimestamp_t *tstamp);
    00509 snd_pcm_sframes_t snd_pcm_avail(snd_pcm_t *pcm);
    00510 snd_pcm_sframes_t snd_pcm_avail_update(snd_pcm_t *pcm);
    00511 int snd_pcm_avail_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *availp, snd_pcm_sframes_t *delayp);
    00512 snd_pcm_sframes_t snd_pcm_rewindable(snd_pcm_t *pcm);
    00513 snd_pcm_sframes_t snd_pcm_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
    00514 snd_pcm_sframes_t snd_pcm_forwardable(snd_pcm_t *pcm);
    00515 snd_pcm_sframes_t snd_pcm_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
    00516 snd_pcm_sframes_t snd_pcm_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
    00517 snd_pcm_sframes_t snd_pcm_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size);
    00518 snd_pcm_sframes_t snd_pcm_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
    00519 snd_pcm_sframes_t snd_pcm_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
    00520 int snd_pcm_wait(snd_pcm_t *pcm, int timeout);
    00521
    00522 int snd_pcm_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2);
    00523 int snd_pcm_unlink(snd_pcm_t *pcm);
    00524
    00526 #define SND_CHMAP_API_VERSION   ((1 << 16) | (0 << 8) | 1)
    00527
    00529 enum snd_pcm_chmap_type {
    00530         SND_CHMAP_TYPE_NONE = 0,
    00531         SND_CHMAP_TYPE_FIXED,
    00532         SND_CHMAP_TYPE_VAR,
    00533         SND_CHMAP_TYPE_PAIRED,
    00534         SND_CHMAP_TYPE_LAST = SND_CHMAP_TYPE_PAIRED,
    00535 };
    00536
    00538 enum snd_pcm_chmap_position {
    00539         SND_CHMAP_UNKNOWN = 0,
    00540         SND_CHMAP_NA,
    00541         SND_CHMAP_MONO,
    00542         SND_CHMAP_FL,
    00543         SND_CHMAP_FR,
    00544         SND_CHMAP_RL,
    00545         SND_CHMAP_RR,
    00546         SND_CHMAP_FC,
    00547         SND_CHMAP_LFE,
    00548         SND_CHMAP_SL,
    00549         SND_CHMAP_SR,
    00550         SND_CHMAP_RC,
    00551         SND_CHMAP_FLC,
    00552         SND_CHMAP_FRC,
    00553         SND_CHMAP_RLC,
    00554         SND_CHMAP_RRC,
    00555         SND_CHMAP_FLW,
    00556         SND_CHMAP_FRW,
    00557         SND_CHMAP_FLH,
    00558         SND_CHMAP_FCH,
    00559         SND_CHMAP_FRH,
    00560         SND_CHMAP_TC,
    00561         SND_CHMAP_TFL,
    00562         SND_CHMAP_TFR,
    00563         SND_CHMAP_TFC,
    00564         SND_CHMAP_TRL,
    00565         SND_CHMAP_TRR,
    00566         SND_CHMAP_TRC,
    00567         SND_CHMAP_TFLC,
    00568         SND_CHMAP_TFRC,
    00569         SND_CHMAP_TSL,
    00570         SND_CHMAP_TSR,
    00571         SND_CHMAP_LLFE,
    00572         SND_CHMAP_RLFE,
    00573         SND_CHMAP_BC,
    00574         SND_CHMAP_BLC,
    00575         SND_CHMAP_BRC,
    00576         SND_CHMAP_LAST = SND_CHMAP_BRC,
    00577 };
    00578
    00580 #define SND_CHMAP_POSITION_MASK         0xffff
    00581
    00583 #define SND_CHMAP_PHASE_INVERSE         (0x01 << 16)
    00584
    00585 #define SND_CHMAP_DRIVER_SPEC           (0x02 << 16)
    00586
    00588 typedef struct snd_pcm_chmap {
    00589         unsigned int channels;
    00590         unsigned int pos[0];
    00591 } snd_pcm_chmap_t;
    00592
    00594 typedef struct snd_pcm_chmap_query {
    00595         enum snd_pcm_chmap_type type;
    00596         snd_pcm_chmap_t map;
    00597 } snd_pcm_chmap_query_t;
    00598
    00599
    00600 snd_pcm_chmap_query_t **snd_pcm_query_chmaps(snd_pcm_t *pcm);
    00601 snd_pcm_chmap_query_t **snd_pcm_query_chmaps_from_hw(int card, int dev,
    00602                                                      int subdev,
    00603                                                      snd_pcm_stream_t stream);
    00604 void snd_pcm_free_chmaps(snd_pcm_chmap_query_t **maps);
    00605 snd_pcm_chmap_t *snd_pcm_get_chmap(snd_pcm_t *pcm);
    00606 int snd_pcm_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map);
    00607
    00608 const char *snd_pcm_chmap_type_name(enum snd_pcm_chmap_type val);
    00609 const char *snd_pcm_chmap_name(enum snd_pcm_chmap_position val);
    00610 const char *snd_pcm_chmap_long_name(enum snd_pcm_chmap_position val);
    00611 int snd_pcm_chmap_print(const snd_pcm_chmap_t *map, size_t maxlen, char *buf);
    00612 unsigned int snd_pcm_chmap_from_string(const char *str);
    00613 snd_pcm_chmap_t *snd_pcm_chmap_parse_string(const char *str);
    00614
    00615 //int snd_pcm_mixer_element(snd_pcm_t *pcm, snd_mixer_t *mixer, snd_mixer_elem_t **elem);
    00616
    00617 /*
    00618  * application helpers - these functions are implemented on top
    00619  * of the basic API
    00620  */
    00621
    00622 int snd_pcm_recover(snd_pcm_t *pcm, int err, int silent);
    00623 int snd_pcm_set_params(snd_pcm_t *pcm,
    00624                        snd_pcm_format_t format,
    00625                        snd_pcm_access_t access,
    00626                        unsigned int channels,
    00627                        unsigned int rate,
    00628                        int soft_resample,
    00629                        unsigned int latency);
    00630 int snd_pcm_get_params(snd_pcm_t *pcm,
    00631                        snd_pcm_uframes_t *buffer_size,
    00632                        snd_pcm_uframes_t *period_size);
    00633
    00643 size_t snd_pcm_info_sizeof(void);
    00648 #define snd_pcm_info_alloca(ptr) __snd_alloca(ptr, snd_pcm_info)
    00649 int snd_pcm_info_malloc(snd_pcm_info_t **ptr);
    00650 void snd_pcm_info_free(snd_pcm_info_t *obj);
    00651 void snd_pcm_info_copy(snd_pcm_info_t *dst, const snd_pcm_info_t *src);
    00652 unsigned int snd_pcm_info_get_device(const snd_pcm_info_t *obj);
    00653 unsigned int snd_pcm_info_get_subdevice(const snd_pcm_info_t *obj);
    00654 snd_pcm_stream_t snd_pcm_info_get_stream(const snd_pcm_info_t *obj);
    00655 int snd_pcm_info_get_card(const snd_pcm_info_t *obj);
    00656 const char *snd_pcm_info_get_id(const snd_pcm_info_t *obj);
    00657 const char *snd_pcm_info_get_name(const snd_pcm_info_t *obj);
    00658 const char *snd_pcm_info_get_subdevice_name(const snd_pcm_info_t *obj);
    00659 snd_pcm_class_t snd_pcm_info_get_class(const snd_pcm_info_t *obj);
    00660 snd_pcm_subclass_t snd_pcm_info_get_subclass(const snd_pcm_info_t *obj);
    00661 unsigned int snd_pcm_info_get_subdevices_count(const snd_pcm_info_t *obj);
    00662 unsigned int snd_pcm_info_get_subdevices_avail(const snd_pcm_info_t *obj);
    00663 snd_pcm_sync_id_t snd_pcm_info_get_sync(const snd_pcm_info_t *obj);
    00664 void snd_pcm_info_set_device(snd_pcm_info_t *obj, unsigned int val);
    00665 void snd_pcm_info_set_subdevice(snd_pcm_info_t *obj, unsigned int val);
    00666 void snd_pcm_info_set_stream(snd_pcm_info_t *obj, snd_pcm_stream_t val);
    00667
    00677 int snd_pcm_hw_params_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
    00678
    00679 int snd_pcm_hw_params_can_mmap_sample_resolution(const snd_pcm_hw_params_t *params);
    00680 int snd_pcm_hw_params_is_double(const snd_pcm_hw_params_t *params);
    00681 int snd_pcm_hw_params_is_batch(const snd_pcm_hw_params_t *params);
    00682 int snd_pcm_hw_params_is_block_transfer(const snd_pcm_hw_params_t *params);
    00683 int snd_pcm_hw_params_is_monotonic(const snd_pcm_hw_params_t *params);
    00684 int snd_pcm_hw_params_can_overrange(const snd_pcm_hw_params_t *params);
    00685 int snd_pcm_hw_params_can_pause(const snd_pcm_hw_params_t *params);
    00686 int snd_pcm_hw_params_can_resume(const snd_pcm_hw_params_t *params);
    00687 int snd_pcm_hw_params_is_half_duplex(const snd_pcm_hw_params_t *params);
    00688 int snd_pcm_hw_params_is_joint_duplex(const snd_pcm_hw_params_t *params);
    00689 int snd_pcm_hw_params_can_sync_start(const snd_pcm_hw_params_t *params);
    00690 int snd_pcm_hw_params_can_disable_period_wakeup(const snd_pcm_hw_params_t *params);
    00691 int snd_pcm_hw_params_supports_audio_wallclock_ts(const snd_pcm_hw_params_t *params); /* deprecated, use audio_ts_type */
    00692 int snd_pcm_hw_params_supports_audio_ts_type(const snd_pcm_hw_params_t *params, int type);
    00693 int snd_pcm_hw_params_get_rate_numden(const snd_pcm_hw_params_t *params,
    00694                                       unsigned int *rate_num,
    00695                                       unsigned int *rate_den);
    00696 int snd_pcm_hw_params_get_sbits(const snd_pcm_hw_params_t *params);
    00697 int snd_pcm_hw_params_get_fifo_size(const snd_pcm_hw_params_t *params);
    00698
    00699 #if 0
    00700 typedef struct _snd_pcm_hw_strategy snd_pcm_hw_strategy_t;
    00701
    00702 /* choices need to be sorted on ascending badness */
    00703 typedef struct _snd_pcm_hw_strategy_simple_choices_list {
    00704         unsigned int value;
    00705         unsigned int badness;
    00706 } snd_pcm_hw_strategy_simple_choices_list_t;
    00707
    00708 int snd_pcm_hw_params_strategy(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
    00709                                const snd_pcm_hw_strategy_t *strategy,
    00710                                unsigned int badness_min,
    00711                                unsigned int badness_max);
    00712
    00713 void snd_pcm_hw_strategy_free(snd_pcm_hw_strategy_t *strategy);
    00714 int snd_pcm_hw_strategy_simple(snd_pcm_hw_strategy_t **strategyp,
    00715                                unsigned int badness_min,
    00716                                unsigned int badness_max);
    00717 int snd_pcm_hw_params_try_explain_failure(snd_pcm_t *pcm,
    00718                                           snd_pcm_hw_params_t *fail,
    00719                                           snd_pcm_hw_params_t *success,
    00720                                           unsigned int depth,
    00721                                           snd_output_t *out);
    00722
    00723 #endif
    00724
    00725 size_t snd_pcm_hw_params_sizeof(void);
    00730 #define snd_pcm_hw_params_alloca(ptr) __snd_alloca(ptr, snd_pcm_hw_params)
    00731 int snd_pcm_hw_params_malloc(snd_pcm_hw_params_t **ptr);
    00732 void snd_pcm_hw_params_free(snd_pcm_hw_params_t *obj);
    00733 void snd_pcm_hw_params_copy(snd_pcm_hw_params_t *dst, const snd_pcm_hw_params_t *src);
    00734
    00735 #if !defined(ALSA_LIBRARY_BUILD) && !defined(ALSA_PCM_OLD_HW_PARAMS_API)
    00736
    00737 int snd_pcm_hw_params_get_access(const snd_pcm_hw_params_t *params, snd_pcm_access_t *_access);
    00738 int snd_pcm_hw_params_test_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t _access);
    00739 int snd_pcm_hw_params_set_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t _access);
    00740 int snd_pcm_hw_params_set_access_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *_access);
    00741 int snd_pcm_hw_params_set_access_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *_access);
    00742 int snd_pcm_hw_params_set_access_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask);
    00743 int snd_pcm_hw_params_get_access_mask(snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask);
    00744
    00745 int snd_pcm_hw_params_get_format(const snd_pcm_hw_params_t *params, snd_pcm_format_t *val);
    00746 int snd_pcm_hw_params_test_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val);
    00747 int snd_pcm_hw_params_set_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val);
    00748 int snd_pcm_hw_params_set_format_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format);
    00749 int snd_pcm_hw_params_set_format_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format);
    00750 int snd_pcm_hw_params_set_format_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask);
    00751 void snd_pcm_hw_params_get_format_mask(snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask);
    00752
    00753 int snd_pcm_hw_params_get_subformat(const snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat);
    00754 int snd_pcm_hw_params_test_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat);
    00755 int snd_pcm_hw_params_set_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat);
    00756 int snd_pcm_hw_params_set_subformat_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat);
    00757 int snd_pcm_hw_params_set_subformat_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat);
    00758 int snd_pcm_hw_params_set_subformat_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask);
    00759 void snd_pcm_hw_params_get_subformat_mask(snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask);
    00760
    00761 int snd_pcm_hw_params_get_channels(const snd_pcm_hw_params_t *params, unsigned int *val);
    00762 int snd_pcm_hw_params_get_channels_min(const snd_pcm_hw_params_t *params, unsigned int *val);
    00763 int snd_pcm_hw_params_get_channels_max(const snd_pcm_hw_params_t *params, unsigned int *val);
    00764 int snd_pcm_hw_params_test_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
    00765 int snd_pcm_hw_params_set_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
    00766 int snd_pcm_hw_params_set_channels_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
    00767 int snd_pcm_hw_params_set_channels_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
    00768 int snd_pcm_hw_params_set_channels_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, unsigned int *max);
    00769 int snd_pcm_hw_params_set_channels_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
    00770 int snd_pcm_hw_params_set_channels_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
    00771 int snd_pcm_hw_params_set_channels_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
    00772
    00773 int snd_pcm_hw_params_get_rate(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00774 int snd_pcm_hw_params_get_rate_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00775 int snd_pcm_hw_params_get_rate_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00776 int snd_pcm_hw_params_test_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
    00777 int snd_pcm_hw_params_set_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
    00778 int snd_pcm_hw_params_set_rate_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00779 int snd_pcm_hw_params_set_rate_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00780 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);
    00781 int snd_pcm_hw_params_set_rate_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00782 int snd_pcm_hw_params_set_rate_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00783 int snd_pcm_hw_params_set_rate_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00784 int snd_pcm_hw_params_set_rate_resample(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
    00785 int snd_pcm_hw_params_get_rate_resample(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
    00786 int snd_pcm_hw_params_set_export_buffer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
    00787 int snd_pcm_hw_params_get_export_buffer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
    00788 int snd_pcm_hw_params_set_period_wakeup(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
    00789 int snd_pcm_hw_params_get_period_wakeup(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
    00790
    00791 int snd_pcm_hw_params_get_period_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00792 int snd_pcm_hw_params_get_period_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00793 int snd_pcm_hw_params_get_period_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00794 int snd_pcm_hw_params_test_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
    00795 int snd_pcm_hw_params_set_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
    00796 int snd_pcm_hw_params_set_period_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00797 int snd_pcm_hw_params_set_period_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00798 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);
    00799 int snd_pcm_hw_params_set_period_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00800 int snd_pcm_hw_params_set_period_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00801 int snd_pcm_hw_params_set_period_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00802
    00803 int snd_pcm_hw_params_get_period_size(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir);
    00804 int snd_pcm_hw_params_get_period_size_min(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir);
    00805 int snd_pcm_hw_params_get_period_size_max(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir);
    00806 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);
    00807 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);
    00808 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);
    00809 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);
    00810 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);
    00811 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);
    00812 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);
    00813 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);
    00814 int snd_pcm_hw_params_set_period_size_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
    00815
    00816 int snd_pcm_hw_params_get_periods(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00817 int snd_pcm_hw_params_get_periods_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00818 int snd_pcm_hw_params_get_periods_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00819 int snd_pcm_hw_params_test_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
    00820 int snd_pcm_hw_params_set_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
    00821 int snd_pcm_hw_params_set_periods_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00822 int snd_pcm_hw_params_set_periods_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00823 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);
    00824 int snd_pcm_hw_params_set_periods_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00825 int snd_pcm_hw_params_set_periods_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00826 int snd_pcm_hw_params_set_periods_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00827 int snd_pcm_hw_params_set_periods_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
    00828
    00829 int snd_pcm_hw_params_get_buffer_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00830 int snd_pcm_hw_params_get_buffer_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00831 int snd_pcm_hw_params_get_buffer_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00832 int snd_pcm_hw_params_test_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
    00833 int snd_pcm_hw_params_set_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
    00834 int snd_pcm_hw_params_set_buffer_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00835 int snd_pcm_hw_params_set_buffer_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00836 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);
    00837 int snd_pcm_hw_params_set_buffer_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00838 int snd_pcm_hw_params_set_buffer_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00839 int snd_pcm_hw_params_set_buffer_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
    00840
    00841 int snd_pcm_hw_params_get_buffer_size(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
    00842 int snd_pcm_hw_params_get_buffer_size_min(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
    00843 int snd_pcm_hw_params_get_buffer_size_max(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
    00844 int snd_pcm_hw_params_test_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val);
    00845 int snd_pcm_hw_params_set_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val);
    00846 int snd_pcm_hw_params_set_buffer_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
    00847 int snd_pcm_hw_params_set_buffer_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
    00848 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);
    00849 int snd_pcm_hw_params_set_buffer_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
    00850 int snd_pcm_hw_params_set_buffer_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
    00851 int snd_pcm_hw_params_set_buffer_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
    00852
    00853 #endif /* !ALSA_LIBRARY_BUILD && !ALSA_PCM_OLD_HW_PARAMS_API */
    00854
    00855 int snd_pcm_hw_params_get_min_align(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
    00856
    00866 size_t snd_pcm_sw_params_sizeof(void);
    00871 #define snd_pcm_sw_params_alloca(ptr) __snd_alloca(ptr, snd_pcm_sw_params)
    00872 int snd_pcm_sw_params_malloc(snd_pcm_sw_params_t **ptr);
    00873 void snd_pcm_sw_params_free(snd_pcm_sw_params_t *obj);
    00874 void snd_pcm_sw_params_copy(snd_pcm_sw_params_t *dst, const snd_pcm_sw_params_t *src);
    00875 int snd_pcm_sw_params_get_boundary(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
    00876
    00877 #if !defined(ALSA_LIBRARY_BUILD) && !defined(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_tstamp_type(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_tstamp_type_t val);
    00882 int snd_pcm_sw_params_get_tstamp_type(const snd_pcm_sw_params_t *params, snd_pcm_tstamp_type_t *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_period_event(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, int val);
    00886 int snd_pcm_sw_params_get_period_event(const snd_pcm_sw_params_t *params, int *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 #endif /* !ALSA_LIBRARY_BUILD && !ALSA_PCM_OLD_SW_PARAMS_API */
    00897
    00900 /* include old API */
    00901 #ifndef ALSA_LIBRARY_BUILD
    00902 #if defined(ALSA_PCM_OLD_HW_PARAMS_API) || defined(ALSA_PCM_OLD_SW_PARAMS_API)
    00903 #include "pcm_old.h"
    00904 #endif
    00905 #endif
    00906
    00914 size_t snd_pcm_access_mask_sizeof(void);
    00919 #define snd_pcm_access_mask_alloca(ptr) __snd_alloca(ptr, snd_pcm_access_mask)
    00920 int snd_pcm_access_mask_malloc(snd_pcm_access_mask_t **ptr);
    00921 void snd_pcm_access_mask_free(snd_pcm_access_mask_t *obj);
    00922 void snd_pcm_access_mask_copy(snd_pcm_access_mask_t *dst, const snd_pcm_access_mask_t *src);
    00923 void snd_pcm_access_mask_none(snd_pcm_access_mask_t *mask);
    00924 void snd_pcm_access_mask_any(snd_pcm_access_mask_t *mask);
    00925 int snd_pcm_access_mask_test(const snd_pcm_access_mask_t *mask, snd_pcm_access_t val);
    00926 int snd_pcm_access_mask_empty(const snd_pcm_access_mask_t *mask);
    00927 void snd_pcm_access_mask_set(snd_pcm_access_mask_t *mask, snd_pcm_access_t val);
    00928 void snd_pcm_access_mask_reset(snd_pcm_access_mask_t *mask, snd_pcm_access_t val);
    00929
    00939 size_t snd_pcm_format_mask_sizeof(void);
    00944 #define snd_pcm_format_mask_alloca(ptr) __snd_alloca(ptr, snd_pcm_format_mask)
    00945 int snd_pcm_format_mask_malloc(snd_pcm_format_mask_t **ptr);
    00946 void snd_pcm_format_mask_free(snd_pcm_format_mask_t *obj);
    00947 void snd_pcm_format_mask_copy(snd_pcm_format_mask_t *dst, const snd_pcm_format_mask_t *src);
    00948 void snd_pcm_format_mask_none(snd_pcm_format_mask_t *mask);
    00949 void snd_pcm_format_mask_any(snd_pcm_format_mask_t *mask);
    00950 int snd_pcm_format_mask_test(const snd_pcm_format_mask_t *mask, snd_pcm_format_t val);
    00951 int snd_pcm_format_mask_empty(const snd_pcm_format_mask_t *mask);
    00952 void snd_pcm_format_mask_set(snd_pcm_format_mask_t *mask, snd_pcm_format_t val);
    00953 void snd_pcm_format_mask_reset(snd_pcm_format_mask_t *mask, snd_pcm_format_t val);
    00954
    00964 size_t snd_pcm_subformat_mask_sizeof(void);
    00969 #define snd_pcm_subformat_mask_alloca(ptr) __snd_alloca(ptr, snd_pcm_subformat_mask)
    00970 int snd_pcm_subformat_mask_malloc(snd_pcm_subformat_mask_t **ptr);
    00971 void snd_pcm_subformat_mask_free(snd_pcm_subformat_mask_t *obj);
    00972 void snd_pcm_subformat_mask_copy(snd_pcm_subformat_mask_t *dst, const snd_pcm_subformat_mask_t *src);
    00973 void snd_pcm_subformat_mask_none(snd_pcm_subformat_mask_t *mask);
    00974 void snd_pcm_subformat_mask_any(snd_pcm_subformat_mask_t *mask);
    00975 int snd_pcm_subformat_mask_test(const snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val);
    00976 int snd_pcm_subformat_mask_empty(const snd_pcm_subformat_mask_t *mask);
    00977 void snd_pcm_subformat_mask_set(snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val);
    00978 void snd_pcm_subformat_mask_reset(snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val);
    00979
    00989 size_t snd_pcm_status_sizeof(void);
    00994 #define snd_pcm_status_alloca(ptr) __snd_alloca(ptr, snd_pcm_status)
    00995 int snd_pcm_status_malloc(snd_pcm_status_t **ptr);
    00996 void snd_pcm_status_free(snd_pcm_status_t *obj);
    00997 void snd_pcm_status_copy(snd_pcm_status_t *dst, const snd_pcm_status_t *src);
    00998 snd_pcm_state_t snd_pcm_status_get_state(const snd_pcm_status_t *obj);
    00999 void snd_pcm_status_get_trigger_tstamp(const snd_pcm_status_t *obj, snd_timestamp_t *ptr);
    01000 void snd_pcm_status_get_trigger_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr);
    01001 void snd_pcm_status_get_tstamp(const snd_pcm_status_t *obj, snd_timestamp_t *ptr);
    01002 void snd_pcm_status_get_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr);
    01003 void snd_pcm_status_get_audio_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr);
    01004 void snd_pcm_status_get_driver_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr);
    01005 void snd_pcm_status_get_audio_htstamp_report(const snd_pcm_status_t *obj,
    01006                                              snd_pcm_audio_tstamp_report_t *audio_tstamp_report);
    01007 void snd_pcm_status_set_audio_htstamp_config(snd_pcm_status_t *obj,
    01008                                              snd_pcm_audio_tstamp_config_t *audio_tstamp_config);
    01009
    01010 static inline void snd_pcm_pack_audio_tstamp_config(unsigned int *data,
    01011                                                 snd_pcm_audio_tstamp_config_t *config)
    01012 {
    01013         *data = config->report_delay;
    01014         *data <<= 4;
    01015         *data |= config->type_requested;
    01016 }
    01017
    01018 static inline void snd_pcm_unpack_audio_tstamp_report(unsigned int data, unsigned int accuracy,
    01019                                                 snd_pcm_audio_tstamp_report_t *report)
    01020 {
    01021         data >>= 16;
    01022         report->valid = data & 1;
    01023         report->actual_type = (data >> 1) & 0xF;
    01024         report->accuracy_report = (data >> 5) & 1;
    01025         report->accuracy = accuracy;
    01026 }
    01027
    01028 snd_pcm_sframes_t snd_pcm_status_get_delay(const snd_pcm_status_t *obj);
    01029 snd_pcm_uframes_t snd_pcm_status_get_avail(const snd_pcm_status_t *obj);
    01030 snd_pcm_uframes_t snd_pcm_status_get_avail_max(const snd_pcm_status_t *obj);
    01031 snd_pcm_uframes_t snd_pcm_status_get_overrange(const snd_pcm_status_t *obj);
    01032
    01042 const char *snd_pcm_type_name(snd_pcm_type_t type);
    01043 const char *snd_pcm_stream_name(const snd_pcm_stream_t stream);
    01044 const char *snd_pcm_access_name(const snd_pcm_access_t _access);
    01045 const char *snd_pcm_format_name(const snd_pcm_format_t format);
    01046 const char *snd_pcm_format_description(const snd_pcm_format_t format);
    01047 const char *snd_pcm_subformat_name(const snd_pcm_subformat_t subformat);
    01048 const char *snd_pcm_subformat_description(const snd_pcm_subformat_t subformat);
    01049 snd_pcm_format_t snd_pcm_format_value(const char* name);
    01050 const char *snd_pcm_tstamp_mode_name(const snd_pcm_tstamp_t mode);
    01051 const char *snd_pcm_state_name(const snd_pcm_state_t state);
    01052
    01062 int snd_pcm_dump(snd_pcm_t *pcm, snd_output_t *out);
    01063 int snd_pcm_dump_hw_setup(snd_pcm_t *pcm, snd_output_t *out);
    01064 int snd_pcm_dump_sw_setup(snd_pcm_t *pcm, snd_output_t *out);
    01065 int snd_pcm_dump_setup(snd_pcm_t *pcm, snd_output_t *out);
    01066 int snd_pcm_hw_params_dump(snd_pcm_hw_params_t *params, snd_output_t *out);
    01067 int snd_pcm_sw_params_dump(snd_pcm_sw_params_t *params, snd_output_t *out);
    01068 int snd_pcm_status_dump(snd_pcm_status_t *status, snd_output_t *out);
    01069
    01079 int snd_pcm_mmap_begin(snd_pcm_t *pcm,
    01080                        const snd_pcm_channel_area_t **areas,
    01081                        snd_pcm_uframes_t *offset,
    01082                        snd_pcm_uframes_t *frames);
    01083 snd_pcm_sframes_t snd_pcm_mmap_commit(snd_pcm_t *pcm,
    01084                                       snd_pcm_uframes_t offset,
    01085                                       snd_pcm_uframes_t frames);
    01086 snd_pcm_sframes_t snd_pcm_mmap_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
    01087 snd_pcm_sframes_t snd_pcm_mmap_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size);
    01088 snd_pcm_sframes_t snd_pcm_mmap_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
    01089 snd_pcm_sframes_t snd_pcm_mmap_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
    01090
    01100 int snd_pcm_format_signed(snd_pcm_format_t format);
    01101 int snd_pcm_format_unsigned(snd_pcm_format_t format);
    01102 int snd_pcm_format_linear(snd_pcm_format_t format);
    01103 int snd_pcm_format_float(snd_pcm_format_t format);
    01104 int snd_pcm_format_little_endian(snd_pcm_format_t format);
    01105 int snd_pcm_format_big_endian(snd_pcm_format_t format);
    01106 int snd_pcm_format_cpu_endian(snd_pcm_format_t format);
    01107 int snd_pcm_format_width(snd_pcm_format_t format);                      /* in bits */
    01108 int snd_pcm_format_physical_width(snd_pcm_format_t format);             /* in bits */
    01109 snd_pcm_format_t snd_pcm_build_linear_format(int width, int pwidth, int unsignd, int big_endian);
    01110 ssize_t snd_pcm_format_size(snd_pcm_format_t format, size_t samples);
    01111 u_int8_t snd_pcm_format_silence(snd_pcm_format_t format);
    01112 u_int16_t snd_pcm_format_silence_16(snd_pcm_format_t format);
    01113 u_int32_t snd_pcm_format_silence_32(snd_pcm_format_t format);
    01114 u_int64_t snd_pcm_format_silence_64(snd_pcm_format_t format);
    01115 int snd_pcm_format_set_silence(snd_pcm_format_t format, void *buf, unsigned int samples);
    01116
    01117 snd_pcm_sframes_t snd_pcm_bytes_to_frames(snd_pcm_t *pcm, ssize_t bytes);
    01118 ssize_t snd_pcm_frames_to_bytes(snd_pcm_t *pcm, snd_pcm_sframes_t frames);
    01119 long snd_pcm_bytes_to_samples(snd_pcm_t *pcm, ssize_t bytes);
    01120 ssize_t snd_pcm_samples_to_bytes(snd_pcm_t *pcm, long samples);
    01121
    01122 int snd_pcm_area_silence(const snd_pcm_channel_area_t *dst_channel, snd_pcm_uframes_t dst_offset,
    01123                          unsigned int samples, snd_pcm_format_t format);
    01124 int snd_pcm_areas_silence(const snd_pcm_channel_area_t *dst_channels, snd_pcm_uframes_t dst_offset,
    01125                           unsigned int channels, snd_pcm_uframes_t frames, snd_pcm_format_t format);
    01126 int snd_pcm_area_copy(const snd_pcm_channel_area_t *dst_channel, snd_pcm_uframes_t dst_offset,
    01127                       const snd_pcm_channel_area_t *src_channel, snd_pcm_uframes_t src_offset,
    01128                       unsigned int samples, snd_pcm_format_t format);
    01129 int snd_pcm_areas_copy(const snd_pcm_channel_area_t *dst_channels, snd_pcm_uframes_t dst_offset,
    01130                        const snd_pcm_channel_area_t *src_channels, snd_pcm_uframes_t src_offset,
    01131                        unsigned int channels, snd_pcm_uframes_t frames, snd_pcm_format_t format);
    01132
    01143 typedef enum _snd_pcm_hook_type {
    01144         SND_PCM_HOOK_TYPE_HW_PARAMS = 0,
    01145         SND_PCM_HOOK_TYPE_HW_FREE,
    01146         SND_PCM_HOOK_TYPE_CLOSE,
    01147         SND_PCM_HOOK_TYPE_LAST = SND_PCM_HOOK_TYPE_CLOSE
    01148 } snd_pcm_hook_type_t;
    01149
    01151 typedef struct _snd_pcm_hook snd_pcm_hook_t;
    01153 typedef int (*snd_pcm_hook_func_t)(snd_pcm_hook_t *hook);
    01154 snd_pcm_t *snd_pcm_hook_get_pcm(snd_pcm_hook_t *hook);
    01155 void *snd_pcm_hook_get_private(snd_pcm_hook_t *hook);
    01156 void snd_pcm_hook_set_private(snd_pcm_hook_t *hook, void *private_data);
    01157 int snd_pcm_hook_add(snd_pcm_hook_t **hookp, snd_pcm_t *pcm,
    01158                      snd_pcm_hook_type_t type,
    01159                      snd_pcm_hook_func_t func, void *private_data);
    01160 int snd_pcm_hook_remove(snd_pcm_hook_t *hook);
    01161
    01172 typedef struct _snd_pcm_scope_ops {
    01176         int (*enable)(snd_pcm_scope_t *scope);
    01180         void (*disable)(snd_pcm_scope_t *scope);
    01184         void (*start)(snd_pcm_scope_t *scope);
    01188         void (*stop)(snd_pcm_scope_t *scope);
    01192         void (*update)(snd_pcm_scope_t *scope);
    01196         void (*reset)(snd_pcm_scope_t *scope);
    01200         void (*close)(snd_pcm_scope_t *scope);
    01201 } snd_pcm_scope_ops_t;
    01202
    01203 snd_pcm_uframes_t snd_pcm_meter_get_bufsize(snd_pcm_t *pcm);
    01204 unsigned int snd_pcm_meter_get_channels(snd_pcm_t *pcm);
    01205 unsigned int snd_pcm_meter_get_rate(snd_pcm_t *pcm);
    01206 snd_pcm_uframes_t snd_pcm_meter_get_now(snd_pcm_t *pcm);
    01207 snd_pcm_uframes_t snd_pcm_meter_get_boundary(snd_pcm_t *pcm);
    01208 int snd_pcm_meter_add_scope(snd_pcm_t *pcm, snd_pcm_scope_t *scope);
    01209 snd_pcm_scope_t *snd_pcm_meter_search_scope(snd_pcm_t *pcm, const char *name);
    01210 int snd_pcm_scope_malloc(snd_pcm_scope_t **ptr);
    01211 void snd_pcm_scope_set_ops(snd_pcm_scope_t *scope,
    01212                            const snd_pcm_scope_ops_t *val);
    01213 void snd_pcm_scope_set_name(snd_pcm_scope_t *scope, const char *val);
    01214 const char *snd_pcm_scope_get_name(snd_pcm_scope_t *scope);
    01215 void *snd_pcm_scope_get_callback_private(snd_pcm_scope_t *scope);
    01216 void snd_pcm_scope_set_callback_private(snd_pcm_scope_t *scope, void *val);
    01217 int snd_pcm_scope_s16_open(snd_pcm_t *pcm, const char *name,
    01218                            snd_pcm_scope_t **scopep);
    01219 int16_t *snd_pcm_scope_s16_get_channel_buffer(snd_pcm_scope_t *scope,
    01220                                               unsigned int channel);
    01221
    01232 typedef enum _snd_spcm_latency {
    01235         SND_SPCM_LATENCY_STANDARD = 0,
    01238         SND_SPCM_LATENCY_MEDIUM,
    01241         SND_SPCM_LATENCY_REALTIME
    01242 } snd_spcm_latency_t;
    01243
    01245 typedef enum _snd_spcm_xrun_type {
    01247         SND_SPCM_XRUN_IGNORE = 0,
    01249         SND_SPCM_XRUN_STOP
    01250 } snd_spcm_xrun_type_t;
    01251
    01253 typedef enum _snd_spcm_duplex_type {
    01255         SND_SPCM_DUPLEX_LIBERAL = 0,
    01257         SND_SPCM_DUPLEX_PEDANTIC
    01258 } snd_spcm_duplex_type_t;
    01259
    01260 int snd_spcm_init(snd_pcm_t *pcm,
    01261                   unsigned int rate,
    01262                   unsigned int channels,
    01263                   snd_pcm_format_t format,
    01264                   snd_pcm_subformat_t subformat,
    01265                   snd_spcm_latency_t latency,
    01266                   snd_pcm_access_t _access,
    01267                   snd_spcm_xrun_type_t xrun_type);
    01268
    01269 int snd_spcm_init_duplex(snd_pcm_t *playback_pcm,
    01270                          snd_pcm_t *capture_pcm,
    01271                          unsigned int rate,
    01272                          unsigned int channels,
    01273                          snd_pcm_format_t format,
    01274                          snd_pcm_subformat_t subformat,
    01275                          snd_spcm_latency_t latency,
    01276                          snd_pcm_access_t _access,
    01277                          snd_spcm_xrun_type_t xrun_type,
    01278                          snd_spcm_duplex_type_t duplex_type);
    01279
    01280 int snd_spcm_init_get_params(snd_pcm_t *pcm,
    01281                              unsigned int *rate,
    01282                              snd_pcm_uframes_t *buffer_size,
    01283                              snd_pcm_uframes_t *period_size);
    01284
    01294 /* Deprecated functions, for compatibility */
    01295 const char *snd_pcm_start_mode_name(snd_pcm_start_t mode) __attribute__((deprecated));
    01296 const char *snd_pcm_xrun_mode_name(snd_pcm_xrun_t mode) __attribute__((deprecated));
    01297 int snd_pcm_sw_params_set_start_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_start_t val) __attribute__((deprecated));
    01298 snd_pcm_start_t snd_pcm_sw_params_get_start_mode(const snd_pcm_sw_params_t *params) __attribute__((deprecated));
    01299 int snd_pcm_sw_params_set_xrun_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_xrun_t val) __attribute__((deprecated));
    01300 snd_pcm_xrun_t snd_pcm_sw_params_get_xrun_mode(const snd_pcm_sw_params_t *params) __attribute__((deprecated));
    01301 #if !defined(ALSA_LIBRARY_BUILD) && !defined(ALSA_PCM_OLD_SW_PARAMS_API)
    01302 int snd_pcm_sw_params_set_xfer_align(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val) __attribute__((deprecated));
    01303 int snd_pcm_sw_params_get_xfer_align(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val) __attribute__((deprecated));
    01304 int snd_pcm_sw_params_set_sleep_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, unsigned int val) __attribute__((deprecated));
    01305 int snd_pcm_sw_params_get_sleep_min(const snd_pcm_sw_params_t *params, unsigned int *val) __attribute__((deprecated));
    01306 #endif /* !ALSA_LIBRARY_BUILD && !ALSA_PCM_OLD_SW_PARAMS_API */
    01307 #if !defined(ALSA_LIBRARY_BUILD) && !defined(ALSA_PCM_OLD_HW_PARAMS_API)
    01308 int snd_pcm_hw_params_get_tick_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
    01309 int snd_pcm_hw_params_get_tick_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
    01310 int snd_pcm_hw_params_get_tick_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
    01311 int snd_pcm_hw_params_test_tick_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) __attribute__((deprecated));
    01312 int snd_pcm_hw_params_set_tick_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) __attribute__((deprecated));
    01313 int snd_pcm_hw_params_set_tick_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
    01314 int snd_pcm_hw_params_set_tick_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
    01315 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) __attribute__((deprecated));
    01316 int snd_pcm_hw_params_set_tick_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
    01317 int snd_pcm_hw_params_set_tick_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
    01318 int snd_pcm_hw_params_set_tick_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
    01319 #endif /* !ALSA_LIBRARY_BUILD && !ALSA_PCM_OLD_HW_PARAMS_API */
    01320
    01323 #ifdef __cplusplus
    01324 }
    01325 #endif
    01326
    01327 #endif /* __ALSA_PCM_H */

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