---
title: 使用约定
description: "音频输出配置VmiConfigAudio继承自VmiConfig结构体。具体结构如下："
url: https://www.hikunpeng.com/document/detail/zh/kunpengboostkithistory/2400/armnative/kunpengcpsvideo_16_0037.html
sourcePath: /source/zh/kunpengboostkithistory/2400/armnative/kunpengcpsvideo_16_0037.html
indexId: 81bb43db2ad556f0fcc5ebe77e3985351a8299fb37ad8bd9e1f930493dd5bd0b77
---
# 使用约定

音频输出配置VmiConfigAudio继承自VmiConfig结构体。具体结构如下：

```
struct VmiConfigAudio : public VmiConfig  {
    AudioType audioType = OPUS;
    AudioPlayParams params;                     // 默认的音频播放参数
} __attribute__((packed));
```