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Implemeted optimal hw_params choice

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This commit is contained in:
Abramo Bagnara 2000-11-26 12:16:18 +00:00
parent 115c827b24
commit 867ad7b2bc
2 changed files with 644 additions and 3 deletions
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23
include/pcm.h
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@ -114,6 +114,29 @@ int snd_pcm_hw_info_rulesv(snd_pcm_t *pcm,
snd_pcm_hw_info_t *info,
snd_pcm_hw_params_t *params, ...);
typedef struct _snd_pcm_strategy snd_pcm_strategy_t;
/* choices need to be sorted on ascending badness */
typedef struct _snd_pcm_strategy_simple_choices_list {
unsigned long value;
unsigned int badness;
} snd_pcm_strategy_simple_choices_list_t;
int snd_pcm_hw_info_strategy(snd_pcm_t *pcm, snd_pcm_hw_info_t *info,
const snd_pcm_strategy_t *strategy,
unsigned int min_badness, unsigned int max_badness);
int snd_pcm_strategy_free(snd_pcm_strategy_t *strategy);
int snd_pcm_strategy_simple(snd_pcm_strategy_t **strategyp);
int snd_pcm_strategy_simple_near(snd_pcm_strategy_t *strategy,
unsigned int param,
unsigned long best,
unsigned int mul);
int snd_pcm_strategy_simple_choices(snd_pcm_strategy_t *strategy,
unsigned int param,
unsigned int count,
snd_pcm_strategy_simple_choices_list_t *choices);
/* mmap */
snd_pcm_channel_area_t *snd_pcm_mmap_areas(snd_pcm_t *pcm);
snd_pcm_channel_area_t *snd_pcm_mmap_running_areas(snd_pcm_t *pcm);