mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-10-29 05:40:25 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

PCM API cleaning. silencing implementation. xfer_min removal

Browse source
This commit is contained in:
Abramo Bagnara 2000-12-29 15:00:53 +00:00
parent 684703b387
commit 8f1b27dfb8
29 changed files with 1189 additions and 853 deletions
Download patch file Download diff file Expand all files Collapse all files

122
include/pcm.h
View file

@ -59,6 +59,7 @@ int snd_pcm_nonblock(snd_pcm_t *pcm, int nonblock);
int snd_pcm_async(snd_pcm_t *pcm, int sig, pid_t pid);
int snd_pcm_info(snd_pcm_t *pcm, snd_pcm_info_t *info);
int snd_pcm_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
int snd_pcm_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
int snd_pcm_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
int snd_pcm_status(snd_pcm_t *pcm, snd_pcm_status_t *status);
int snd_pcm_prepare(snd_pcm_t *pcm);
@ -78,11 +79,8 @@ ssize_t snd_pcm_readn(snd_pcm_t *pcm, void **bufs, size_t size);
int snd_pcm_dump_hw_setup(snd_pcm_t *pcm, FILE *fp);
int snd_pcm_dump_sw_setup(snd_pcm_t *pcm, FILE *fp);
int snd_pcm_dump_setup(snd_pcm_t *pcm, FILE *fp);
int snd_pcm_dump_hw_params(snd_pcm_hw_params_t *params, FILE *fp);
int snd_pcm_dump_hw_params_fail(snd_pcm_hw_params_t *params, FILE *fp);
int snd_pcm_dump_sw_params_fail(snd_pcm_sw_params_t *params, FILE *fp);
int snd_pcm_dump(snd_pcm_t *pcm, FILE *fp);
int snd_pcm_dump_status(snd_pcm_status_t *status, FILE *fp);
int snd_pcm_status_dump(snd_pcm_status_t *status, FILE *fp);
int snd_pcm_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2);
int snd_pcm_unlink(snd_pcm_t *pcm);
@ -105,22 +103,40 @@ int mask_eq(const mask_t *a, const mask_t *b);
int mask_single(const mask_t *mask);
int snd_pcm_hw_params_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
int snd_pcm_hw_params_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
int snd_pcm_hw_param_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int var);
int snd_pcm_hw_param_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int var, unsigned int val);
int snd_pcm_hw_params_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
int snd_pcm_hw_param_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int var, unsigned int val);
int snd_pcm_hw_params_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
int snd_pcm_hw_param_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int var, unsigned int val);
int snd_pcm_hw_params_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
int snd_pcm_hw_param_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int var, unsigned int min, unsigned int max);
int snd_pcm_hw_params_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
int snd_pcm_hw_param_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int par);
int snd_pcm_hw_params_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
int snd_pcm_hw_param_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int par);
int snd_pcm_hw_params_set(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
int snd_pcm_hw_param_set(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int var, unsigned int val);
int snd_pcm_hw_params_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
int snd_pcm_hw_param_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int var, const mask_t *mask);
int snd_pcm_hw_param_value(const snd_pcm_hw_params_t *params,
unsigned int var);
const mask_t *snd_pcm_hw_param_value_mask(const snd_pcm_hw_params_t *params,
unsigned int var);
const interval_t *snd_pcm_hw_param_value_interval(const snd_pcm_hw_params_t *params,
unsigned int var);
unsigned int snd_pcm_hw_param_value_min(const snd_pcm_hw_params_t *params,
unsigned int var);
unsigned int snd_pcm_hw_param_value_max(const snd_pcm_hw_params_t *params,
unsigned int var);
int snd_pcm_hw_params_try_explain_failure(snd_pcm_t *pcm,
snd_pcm_hw_params_t *fail,
snd_pcm_hw_params_t *success,
unsigned int depth,
FILE *fp);
int snd_pcm_hw_params_info_rate(const snd_pcm_hw_params_t *params,
unsigned int *rate_num,
unsigned int *rate_den);
@ -128,48 +144,50 @@ int snd_pcm_hw_params_info_msbits(const snd_pcm_hw_params_t *params);
int snd_pcm_hw_params_info_flags(const snd_pcm_hw_params_t *params);
int snd_pcm_hw_params_info_fifo_size(const snd_pcm_hw_params_t *params);
int snd_pcm_hw_params_info_dig_groups(const snd_pcm_hw_params_t *params);
int snd_pcm_hw_params_value(const snd_pcm_hw_params_t *params,
unsigned int var);
const mask_t *snd_pcm_hw_params_value_mask(const snd_pcm_hw_params_t *params,
unsigned int var);
const interval_t *snd_pcm_hw_params_value_interval(const snd_pcm_hw_params_t *params,
unsigned int var);
unsigned int snd_pcm_hw_params_value_min(const snd_pcm_hw_params_t *params,
unsigned int var);
unsigned int snd_pcm_hw_params_value_max(const snd_pcm_hw_params_t *params,
unsigned int var);
int snd_pcm_hw_params_test(const snd_pcm_hw_params_t *params,
unsigned int var, unsigned int val);
int snd_pcm_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
int snd_pcm_hw_params_dump(snd_pcm_hw_params_t *params, FILE *fp);
typedef struct _snd_pcm_strategy snd_pcm_strategy_t;
typedef struct _snd_pcm_hw_strategy snd_pcm_hw_strategy_t;
/* choices need to be sorted on ascending badness */
typedef struct _snd_pcm_strategy_simple_choices_list {
typedef struct _snd_pcm_hw_strategy_simple_choices_list {
unsigned int value;
unsigned int badness;
} snd_pcm_strategy_simple_choices_list_t;
} snd_pcm_hw_strategy_simple_choices_list_t;
int snd_pcm_hw_info_strategy(snd_pcm_t *pcm, snd_pcm_hw_params_t *info,
const snd_pcm_strategy_t *strategy);
int snd_pcm_hw_params_strategy(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
const snd_pcm_hw_strategy_t *strategy,
unsigned int badness_min,
unsigned int badness_max);
int snd_pcm_strategy_free(snd_pcm_strategy_t *strategy);
int snd_pcm_strategy_simple(snd_pcm_strategy_t **strategyp,
unsigned int badness_min,
unsigned int badness_max);
int snd_pcm_strategy_simple_near(snd_pcm_strategy_t *strategy, int order,
unsigned int param,
unsigned int best,
unsigned int mul);
int snd_pcm_strategy_simple_choices(snd_pcm_strategy_t *strategy, int order,
int snd_pcm_hw_strategy_free(snd_pcm_hw_strategy_t *strategy);
int snd_pcm_hw_strategy_simple(snd_pcm_hw_strategy_t **strategyp,
unsigned int badness_min,
unsigned int badness_max);
int snd_pcm_hw_strategy_simple_near(snd_pcm_hw_strategy_t *strategy, int order,
unsigned int param,
unsigned int count,
snd_pcm_strategy_simple_choices_list_t *choices);
int snd_pcm_hw_params_try_explain_failure(snd_pcm_t *pcm,
snd_pcm_hw_params_t *fail,
snd_pcm_hw_params_t *success,
unsigned int depth,
FILE *fp);
unsigned int best,
unsigned int mul);
int snd_pcm_hw_strategy_simple_choices(snd_pcm_hw_strategy_t *strategy, int order,
unsigned int param,
unsigned int count,
snd_pcm_hw_strategy_simple_choices_list_t *choices);
#define SND_PCM_SW_PARAM_START_MODE 0
#define SND_PCM_SW_PARAM_READY_MODE 1
#define SND_PCM_SW_PARAM_XRUN_MODE 2
#define SND_PCM_SW_PARAM_SILENCE_MODE 3
#define SND_PCM_SW_PARAM_TSTAMP_MODE 4
#define SND_PCM_SW_PARAM_AVAIL_MIN 5
#define SND_PCM_SW_PARAM_XFER_ALIGN 6
#define SND_PCM_SW_PARAM_SILENCE_THRESHOLD 7
#define SND_PCM_SW_PARAM_SILENCE_SIZE 8
#define SND_PCM_SW_PARAM_LAST 8
int snd_pcm_sw_params_current(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
int snd_pcm_sw_param_set(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, unsigned int var, unsigned int val);
int snd_pcm_sw_param_near(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, unsigned int var, unsigned int val);
int snd_pcm_sw_param_value(snd_pcm_sw_params_t *params, unsigned int var);
int snd_pcm_sw_params_dump(snd_pcm_sw_params_t *params, FILE *fp);
/* mmap */
const snd_pcm_channel_area_t *snd_pcm_mmap_areas(snd_pcm_t *pcm);
@ -183,14 +201,20 @@ ssize_t snd_pcm_mmap_readi(snd_pcm_t *pcm, void *buffer, size_t size);
ssize_t snd_pcm_mmap_writen(snd_pcm_t *pcm, void **bufs, size_t size);
ssize_t snd_pcm_mmap_readn(snd_pcm_t *pcm, void **bufs, size_t size);
const char *snd_pcm_stream_name(unsigned int stream);
const char *snd_pcm_hw_param_name(unsigned int params);
const char *snd_pcm_sw_param_name(unsigned int params);
const char *snd_pcm_access_name(unsigned int access);
const char *snd_pcm_format_name(unsigned int format);
const char *snd_pcm_subformat_name(unsigned int subformat);
const char *snd_pcm_hw_param_name(unsigned int params);
const char *snd_pcm_sw_param_name(unsigned int params);
const char *snd_pcm_format_description(unsigned int format);
int snd_pcm_format_value(const char* name);
const char *snd_pcm_start_mode_name(unsigned int mode);
const char *snd_pcm_ready_mode_name(unsigned int mode);
const char *snd_pcm_xrun_mode_name(unsigned int mode);
const char *snd_pcm_silence_mode_name(unsigned int mode);
const char *snd_pcm_tstamp_mode_name(unsigned int mode);
const char *snd_pcm_state_name(unsigned int state);
int snd_pcm_area_silence(const snd_pcm_channel_area_t *dst_channel, size_t dst_offset,
size_t samples, int format);