> ## Documentation Index
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> Use this file to discover all available pages before exploring further.

# GetShapeXmaLoopSubframeSkip

> GetShapeXmaLoopSubframeSkip

# GetShapeXmaLoopSubframeSkip

获取在循环开始处要跳过的子帧数。

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## 语法

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

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### 参数

*context*   \_In\_\
Type: [SHAPE\_XMA\_CONTEXT](/reference/audio/shapexmacontext/structs/shape_xma_context)\*

指向 [SHAPE\_XMA\_CONTEXT](/reference/audio/shapexmacontext/structs/shape_xma_context) 对象的指针。

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### 返回值

Type: UINT32

开始解码之前要跳过的子帧数。有效值为 0 到 4。

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## 备注

有关 XMA 上下文循环的指南,请参阅 [ACP overview](/build/console-features/audio/overviews/acp-overview) 中的 [Guidelines for using SRC for PCM and XMA data](/build/console-features/audio/overviews/acp-overview#ID4EUPAC)。

若要设置要跳过的子帧数,请使用 [SetShapeXmaLoopSubframeSkip](/reference/audio/shapexmacontext/functions/setshapexmaloopsubframeskip)。

有关详细信息,请参阅 [Overview of SHAPE](/build/console-features/audio/overviews/shape-overview) 的 [XMA](/build/console-features/audio/overviews/shape-overview#ID4EYD) 部分。

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## 要求

**头文件:** shapexmacontext.h

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

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## 另请参阅

[ShapeXmaContext](/reference/audio/shapexmacontext/shapexmacontext_members)


## Related topics

- [SetShapeXmaLoopSubframeSkip](/zh-CN/reference/audio/shapexmacontext/functions/setshapexmaloopsubframeskip.md)
- [ShapeXmaContext](/zh-CN/reference/audio/shapexmacontext/shapexmacontext_members.md)
- [GetShapeXmaNumSubframesToSkip](/zh-CN/reference/audio/shapexmacontext/functions/getshapexmanumsubframestoskip.md)
- [GetShapeXmaLoopSubframeEnd](/zh-CN/reference/audio/shapexmacontext/functions/getshapexmaloopsubframeend.md)
- [SetShapeXmaNumSubframesToSkip](/zh-CN/reference/audio/shapexmacontext/functions/setshapexmanumsubframestoskip.md)