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# SetShapeXmaInputBufferValid

> SetShapeXmaInputBufferValid

# SetShapeXmaInputBufferValid

设置输入缓冲区的有效性标志。

<a id="syntaxSection" />

## 语法

```cpp theme={null}
HRESULT SetShapeXmaInputBufferValid(  
         SHAPE_XMA_CONTEXT* context,  
         UINT32 valid  
)  
```

<a id="parametersSection" />

### 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。

*valid*   \
Type: UINT32

输入缓冲区的有效性标志。

| 值  | 说明            |
| -- | ------------- |
| 00 | 两个缓冲区均无效。     |
| 01 | 只有缓冲区 0(左)有效。 |
| 10 | 只有缓冲区 1(右)有效。 |
| 11 | 两个缓冲区都有效。     |

<a id="retvalSection" />

### 返回值

Type: HRESULT

HRESULT 成功或错误代码。

<a id="remarksSection" />

## 备注

若要获取输入缓冲区的有效性标志,请使用 [GetShapeXmaInputBufferValid](/reference/audio/shapexmacontext/functions/getshapexmainputbuffervalid)。

若要设置输出缓冲区的有效性标志,请使用 [SetShapeXmaOutputBufferValid](/reference/audio/shapexmacontext/functions/setshapexmaoutputbuffervalid)。

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。

<a id="requirementsSection" />

## 要求

**头文件:** shapexmacontext.h

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

<a id="seealsoSection" />

## 另请参阅

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


## Related topics

- [GetShapeXmaInputBufferValid](/zh-CN/reference/audio/shapexmacontext/functions/getshapexmainputbuffervalid.md)
- [SetShapeXmaOutputBufferValid](/zh-CN/reference/audio/shapexmacontext/functions/setshapexmaoutputbuffervalid.md)
- [ShapeXmaContext](/zh-CN/reference/audio/shapexmacontext/shapexmacontext_members.md)
- [SetShapeXmaInputBuffer0Valid](/zh-CN/reference/audio/shapexmacontext/functions/setshapexmainputbuffer0valid.md)
- [SetShapeXmaInputBuffer1Valid](/zh-CN/reference/audio/shapexmacontext/functions/setshapexmainputbuffer1valid.md)