> ## Documentation Index
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# SetShapeXmaLoopSubframeSkip

> SetShapeXmaLoopSubframeSkip

# SetShapeXmaLoopSubframeSkip

设置在循环开始处要跳过的子帧数量。

## Syntax

```cpp theme={null}
HRESULT SetShapeXmaLoopSubframeSkip(  
         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

在开始解码之前要跳过的子帧数量(0 到 4 之间)。

### Return value

Type: HRESULT

HRESULT 成功或错误代码。

## Remarks

有关 XMA 上下文循环的指南,请参阅 [ACP 概述](https://docs.xbox.com/zh-CN/build/console-features/audio/overviews/acp-overview.md) 中的[将 SRC 用于 PCM 和 XMA 数据的指南](https://docs.xbox.com/zh-CN/build/console-features/audio/overviews/acp-overview.md#ID4EUPAC)。

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

- [GetShapeXmaLoopSubframeSkip](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/getshapexmaloopsubframeskip.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)
- [SetShapeXmaLoopSubframeEnd](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/setshapexmaloopsubframeend.md)
- [GetShapeXmaNumSubframesToSkip](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/getshapexmanumsubframestoskip.md)