rt-thread/bsp/allwinner/libraries/sunxi-hal/include/hal/sound/snd_misc.h

/*
* Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved.
*
* Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in
* the the people's Republic of China and other countries.
* All Allwinner Technology Co.,Ltd. trademarks are used with permission.
*
* DISCLAIMER
* THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT.
* IF YOU NEED TO INTEGRATE THIRD PARTY’S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.)
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* COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
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*/
#ifndef __SOUND_MISC_H
#define __SOUND_MISC_H

int snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime);
unsigned int snd_pcm_rate_mask_intersect(unsigned int rates_a, unsigned int rates_b);
int snd_pcm_format_physical_width(snd_pcm_format_t format);
int snd_pcm_format_set_silence(snd_pcm_format_t format, void *data, unsigned int samples);

struct snd_pcm_hw_constraint_list {
    const unsigned int *list;
    unsigned int count;
    unsigned int mask;
};

extern const struct snd_pcm_hw_constraint_list snd_pcm_known_rates;

#endif /* __SOUND_MISC_H */