rt-thread/bsp/allwinner/libraries/sunxi-hal/include/hal/aw-alsa-lib/plugin/pcm_multi.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.)
* IN ALLWINNERS’SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN
* ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES.
* ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS
* COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
* YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY’S TECHNOLOGY.
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*
* THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT
* PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND,
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* THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS, OR BUSINESS INTERRUPTION)
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*/

#ifndef __AW_ALSA_PCM_MULTI_H
#define __AW_ALSA_PCM_MULTI_H

#include <aw-alsa-lib/pcm.h>
#include <sys/types.h>

typedef struct {
    const char *pcm_alias;
    const char *pcm;
    int channels;
} snd_pcm_multi_slave_config_t;

typedef struct {
    int cchannel;
    const char *pcm_alias;
    int schannel;
} snd_pcm_multi_binding_config_t;

#define ALSA_PCM_MULTI_SLAVES_MAX   (5)
typedef struct {
    const char *type;
    snd_pcm_multi_slave_config_t slaves[ALSA_PCM_MULTI_SLAVES_MAX];
    snd_pcm_multi_binding_config_t bindings[];
} snd_pcm_multi_config_t;

#endif /* __AW_ALSA_PCM_MULTI_H */