> ## Documentation Index
> Fetch the complete documentation index at: https://docs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# GetShapeXmaNumSubframesToDecode

> GetShapeXmaNumSubframesToDecode

# GetShapeXmaNumSubframesToDecode

获取每次处理要解码的子帧数。

## 语法

```cpp theme={null}
UINT32 GetShapeXmaNumSubframesToDecode(  
         const SHAPE_XMA_CONTEXT* context  
)  
```

### 参数

*context*   \_In\_\
Type: [SHAPE\_XMA\_CONTEXT](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/structs/shape_xma_context.md)\*

指向 [SHAPE\_XMA\_CONTEXT](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/structs/shape_xma_context.md) 对象的指针。

### 返回值

Type: UINT32

要解码的子帧数。有效值为 1、2、4 和 8。

## 备注

若要设置每次处理要解码的子帧数,请使用 [SetShapeXmaNumSubframesToDecode](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/setshapexmanumsubframestodecode.md)。

若要获取当前要跳过的子帧数,请使用 [GetShapeXmaNumSubframesToSkip](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/getshapexmanumsubframestoskip.md)。

有关详细信息,请参阅 [Overview of SHAPE](https://docs.xbox.com/zh-CN/build/console-features/audio/overviews/shape-overview.md) 的 [XMA](https://docs.xbox.com/zh-CN/build/console-features/audio/overviews/shape-overview.md#ID4EYD) 部分。

## 要求

**头文件:** shapexmacontext.h

**支持的平台:** XBOX One 系列主机和 XBOX Series 主机

## 另请参阅

[ShapeXmaContext](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/shapexmacontext_members.md)


## Related topics

- [SetShapeXmaNumSubframesToDecode](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/setshapexmanumsubframestodecode.md)
- [GetShapeXmaNumSubframesToSkip](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/getshapexmanumsubframestoskip.md)
- [ShapeXmaContext](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/shapexmacontext_members.md)
- [SetShapeXmaNumSubframesToSkip](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/setshapexmanumsubframestoskip.md)
- [GetShapeXmaLoopSubframeEnd](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/getshapexmaloopsubframeend.md)