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# GetShapeXmaOutputBufferWriteOffset

> GetShapeXmaOutputBufferWriteOffset

# GetShapeXmaOutputBufferWriteOffset

获取输出缓冲区的写入偏移量。

## 语法

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

### 参数

*context*   \_In\_\
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。

### 返回值

Type: UINT32

距输出缓冲区起始位置的偏移量(以字节为单位)。

## 备注

若要获取输出缓冲区的读取偏移量,请使用 [GetShapeXmaOutputBufferReadOffset](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/getshapexmaoutputbufferreadoffset.md)。若要获取输出缓冲区的地址,请使用 [GetShapeXmaOutputBuffer](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/getshapexmaoutputbuffer.md)。

有关详细信息,请参阅 [Overview of SHAPE](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。

## 要求

**头文件:** shapexmacontext.h

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

## 另请参阅

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


## Related topics

- [GetShapeXmaOutputBufferReadOffset](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/getshapexmaoutputbufferreadoffset.md)
- [ShapeXmaContext](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/shapexmacontext_members.md)
- [SetShapeXmaOutputBufferReadOffset](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/setshapexmaoutputbufferreadoffset.md)
- [GetShapeXmaOutputBufferNumBytesAvailable](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/getshapexmaoutputbuffernumbytesavailable.md)
- [GetShapeXmaOutputBufferNumFramesAvailable](https://docs.xbox.com/zh-CN/reference/audio/shapexmacontext/functions/getshapexmaoutputbuffernumframesavailable.md)