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# SetShapeXmaNumSubframesToDecode

> SetShapeXmaNumSubframesToDecode

# SetShapeXmaNumSubframesToDecode

设置每次运行要解码的子帧数量。

## Syntax

```cpp theme={null}
HRESULT SetShapeXmaNumSubframesToDecode(  
         SHAPE_XMA_CONTEXT* context,  
         UINT32 numSubframes  
)  
```

### Parameters

*context*   \_Inout\_\
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。

*numSubframes*   \
Type: UINT32

要解码的子帧数量。有效值为 1、2、4 和 8。

### Return value

Type: HRESULT

HRESULT 成功或错误代码。

## Remarks

若要获取每次运行时当前要解码的子帧数量,请使用 [GetShapeXmaNumSubframesToDecode](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/getshapexmanumsubframestodecode.md)。

若要设置要跳过的子帧数量,请使用 [SetShapeXmaNumSubframesToSkip](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/setshapexmanumsubframestoskip.md)。

有关详细信息,请参阅 [SHAPE 概述](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。

## Requirements

**头文件:** shapexmacontext.h

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

## See also

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


## Related topics

- [GetShapeXmaNumSubframesToDecode](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/getshapexmanumsubframestodecode.md)
- [SetShapeXmaNumSubframesToSkip](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/setshapexmanumsubframestoskip.md)
- [ShapeXmaContext](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/shapexmacontext_members.md)
- [GetShapeXmaNumSubframesToSkip](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/getshapexmanumsubframestoskip.md)
- [SetShapeXmaLoopSubframeSkip](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/setshapexmaloopsubframeskip.md)