---
title: hi_pngd_chn
description: "描述PNG图片解码通道。"
url: https://www.hiascend.com/document/detail/zh/Atlas200IDKA2DeveloperKit/latest/Application%20Development%20Guide/aadgc/aclcppdevg_03_1544.html
sourcePath: /source/zh/Atlas200IDKA2DeveloperKit/23.0.RC2/Application Development Guide/aadgc/aclcppdevg_03_1544.html
indexId: 523ca1a9386225a623f3c156b3ecc9ef9fc69b60a06b32c98ca2988ca2b0e759105
---
# hi_pngd_chn

#### 说明

描述PNG图片解码通道。


#### 定义

```
typedef
hi_s32
hi_pngd_chn;
```