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New hw_params implementation

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This commit is contained in:
Abramo Bagnara 2000-12-21 20:44:10 +00:00
parent 2fe1219099
commit 8dd927e97f
28 changed files with 3550 additions and 1899 deletions
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60
src/pcm/pcm_local.h
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@ -1,6 +1,7 @@
/*
* PCM Interface - local header file
* Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>
* Copyright (c) 2000 by Jaroslav Kysela <perex@suse.cz>
* Abramo Bagnara <abramo@alsa-project.org>
*
*
* This library is free software; you can redistribute it and/or modify
@ -58,7 +59,7 @@ typedef struct {
int (*nonblock)(snd_pcm_t *pcm, int nonblock);
int (*async)(snd_pcm_t *pcm, int sig, pid_t pid);
int (*info)(snd_pcm_t *pcm, snd_pcm_info_t *info);
int (*hw_info)(snd_pcm_t *pcm, snd_pcm_hw_info_t *info);
int (*hw_refine)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
int (*hw_params)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
int (*sw_params)(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
int (*dig_info)(snd_pcm_t *pcm, snd_pcm_dig_info_t *info);
@ -168,15 +169,9 @@ ssize_t snd_pcm_write_areas(snd_pcm_t *pcm, const snd_pcm_channel_area_t *areas,
snd_pcm_xfer_areas_func_t func);
ssize_t snd_pcm_read_mmap(snd_pcm_t *pcm, size_t size);
ssize_t snd_pcm_write_mmap(snd_pcm_t *pcm, size_t size);
int snd_pcm_hw_info_complete(snd_pcm_hw_info_t *info);
void snd_pcm_hw_params_to_info(snd_pcm_hw_params_t *params, snd_pcm_hw_info_t *info);
int snd_pcm_hw_info_to_params(snd_pcm_t *pcm, snd_pcm_hw_info_t *info, snd_pcm_hw_params_t *params);
int snd_pcm_hw_info_complete(snd_pcm_hw_params_t *info);
int snd_pcm_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t *info);
int snd_pcm_channel_info_shm(snd_pcm_t *pcm, snd_pcm_channel_info_t *info, int shmid);
int snd_pcm_hw_info_par_nearest_next(const snd_pcm_hw_info_t *info,
unsigned int param,
unsigned int best, int value,
snd_pcm_t *pcm);
static inline size_t snd_pcm_mmap_playback_avail(snd_pcm_t *pcm)
{
@ -316,3 +311,50 @@ static inline int muldiv_near(int a, int b, int c)
n++;
return n;
}
int _snd_pcm_hw_refine(snd_pcm_hw_params_t *params);
void _snd_pcm_hw_params_any(snd_pcm_hw_params_t *params);
int _snd_pcm_hw_params_mask(snd_pcm_hw_params_t *params, int hw,
unsigned int var, const mask_t *mask);
int _snd_pcm_hw_params_first(snd_pcm_hw_params_t *params, int hw,
unsigned int var);
int _snd_pcm_hw_params_last(snd_pcm_hw_params_t *params, int hw,
unsigned int var);
int _snd_pcm_hw_params_set(snd_pcm_hw_params_t *params, int hw,
unsigned int var, unsigned int val);
int _snd_pcm_hw_params_min(snd_pcm_hw_params_t *params, int hw,
unsigned int var, unsigned int val);
int _snd_pcm_hw_params_max(snd_pcm_hw_params_t *params, int hw,
unsigned int var, unsigned int val);
int snd_pcm_hw_refine2(snd_pcm_hw_params_t *params,
snd_pcm_hw_params_t *sparams,
int (*func)(snd_pcm_t *slave,
snd_pcm_hw_params_t *params),
snd_pcm_t *slave,
unsigned int links);
int snd_pcm_hw_params2(snd_pcm_hw_params_t *params,
snd_pcm_hw_params_t *sparams,
int (*func)(snd_pcm_t *slave,
snd_pcm_hw_params_t *sparams),
snd_pcm_t *slave,
unsigned int links);
#define SND_PCM_HW_PARBIT_ACCESS (1 << SND_PCM_HW_PARAM_ACCESS)
#define SND_PCM_HW_PARBIT_FORMAT (1 << SND_PCM_HW_PARAM_FORMAT)
#define SND_PCM_HW_PARBIT_SUBFORMAT (1 << SND_PCM_HW_PARAM_SUBFORMAT)
#define SND_PCM_HW_PARBIT_CHANNELS (1 << SND_PCM_HW_PARAM_CHANNELS)
#define SND_PCM_HW_PARBIT_RATE (1 << SND_PCM_HW_PARAM_RATE)
#define SND_PCM_HW_PARBIT_FRAGMENT_LENGTH (1 << SND_PCM_HW_PARAM_FRAGMENT_LENGTH)
#define SND_PCM_HW_PARBIT_FRAGMENT_SIZE (1 << SND_PCM_HW_PARAM_FRAGMENT_SIZE)
#define SND_PCM_HW_PARBIT_FRAGMENTS (1 << SND_PCM_HW_PARAM_FRAGMENTS)
#define SND_PCM_HW_PARBIT_BUFFER_LENGTH (1 << SND_PCM_HW_PARAM_BUFFER_LENGTH)
#define SND_PCM_HW_PARBIT_BUFFER_SIZE (1 << SND_PCM_HW_PARAM_BUFFER_SIZE)
#define SND_PCM_HW_PARBIT_SAMPLE_BITS (1 << SND_PCM_HW_PARAM_SAMPLE_BITS)
#define SND_PCM_HW_PARBIT_FRAME_BITS (1 << SND_PCM_HW_PARAM_FRAME_BITS)
#define SND_PCM_HW_PARBIT_FRAGMENT_BYTES (1 << SND_PCM_HW_PARAM_FRAGMENT_BYTES)
#define SND_PCM_HW_PARBIT_BUFFER_BYTES (1 << SND_PCM_HW_PARAM_BUFFER_BYTES)
#define SND_PCM_ACCBIT_MMAP ((1 << SND_PCM_ACCESS_MMAP_INTERLEAVED) | \
(1 << SND_PCM_ACCESS_MMAP_NONINTERLEAVED) | \
(1 << SND_PCM_ACCESS_MMAP_COMPLEX))