> ## 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.

# SetShapeXmaNumChannels

> SetShapeXmaNumChannels

# SetShapeXmaNumChannels

設定聲道數目。

## 語法

```cpp theme={null}
HRESULT SetShapeXmaNumChannels(  
         SHAPE_XMA_CONTEXT* context,  
         UINT32 numChannels  
)  
```

### 參數

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

指向 [SHAPE\_XMA\_CONTEXT](https://docs.xbox.com/zh-TW/reference/audio/shapexmacontext/structs/shape_xma_context.md) 物件的指標。

*numChannels*   \
類型：UINT32

聲道數目；1 (單聲道) 或 2 (立體聲)。

### 傳回值

類型：HRESULT

HRESULT 成功或錯誤碼。

## 備註

此函式會設定內容中實際的聲道數目。(在 [SHAPE\_XMA\_CONTEXT](https://docs.xbox.com/zh-TW/reference/audio/shapexmacontext/structs/shape_xma_context.md) 物件中，`numChannels` 成員包含的值為 0 \[單聲道] 或 1 \[立體聲]。)

若要取得目前的聲道數目，請使用 [GetShapeXmaNumChannels](https://docs.xbox.com/zh-TW/reference/audio/shapexmacontext/functions/getshapexmanumchannels.md)。

如需詳細資訊，請參閱 [SHAPE 概觀](https://docs.xbox.com/zh-TW/build/console-features/audio/overviews/shape-overview.md)中的 [XMA](https://docs.xbox.com/zh-TW/build/console-features/audio/overviews/shape-overview.md#ID4EYD) 一節。

## 需求

**標頭：** shapexmacontext.h

**支援的平台：** XBOX One 系列主機與 XBOX Series 主機

## 另請參閱

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


## Related topics

- [GetShapeXmaNumChannels](https://docs.xbox.com/zh-TW/reference/audio/shapexmacontext/functions/getshapexmanumchannels.md)
- [ShapeXmaContext](https://docs.xbox.com/zh-TW/reference/audio/shapexmacontext/shapexmacontext_members.md)
- [SetShapeDmaNumChannels](https://docs.xbox.com/zh-TW/reference/audio/shapedmacontext/functions/setshapedmanumchannels.md)
- [SetShapeXmaNumLoops](https://docs.xbox.com/zh-TW/reference/audio/shapexmacontext/functions/setshapexmanumloops.md)
- [SetShapeXmaNumSubframesToDecode](https://docs.xbox.com/zh-TW/reference/audio/shapexmacontext/functions/setshapexmanumsubframestodecode.md)