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# GetShapeSrcSamplePointer

> GetShapeSrcSamplePointer

# GetShapeSrcSamplePointer

获取当前样本指针。

## 语法

```cpp theme={null}
UINT32 GetShapeSrcSamplePointer(  
         const SHAPE_SRC_CONTEXT* context  
)  
```

### 参数

*context*   \_In\_\
类型：[SHAPE\_SRC\_CONTEXT](/reference/audio/shapesrccontext/structs/shape_src_context)\*

指向 [SHAPE\_SRC\_CONTEXT](/reference/audio/shapesrccontext/structs/shape_src_context) 对象的指针。

### 返回值

类型：UINT32

样本指针。

## 备注

此函数返回指向当前 PCM 输入样本的指针。

该指针存储在 [SHAPE\_SRC\_CONTEXT](/reference/audio/shapesrccontext/structs/shape_src_context) 对象的 *samplePointer* 成员中。有关 SRC 的更多信息，请参阅 [SHAPE 概述](/build/console-features/audio/overviews/shape-overview)中的[采样率转换器 (SRC) 块](/build/console-features/audio/overviews/shape-overview#ID4EOE)。

## 要求

**标头：** shapesrccontext.h

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

## 另请参阅

[ShapeSrcContext](/reference/audio/shapesrccontext/shapesrccontext_members)


## Related topics

- [ShapeSrcContext](/zh-CN/reference/audio/shapesrccontext/shapesrccontext_members.md)
- [GetShapeSrcSampleCount](/zh-CN/reference/audio/shapesrccontext/functions/getshapesrcsamplecount.md)
- [SHAPE_SRC_CONTEXT](/zh-CN/reference/audio/shapesrccontext/structs/shape_src_context.md)
- [GetShapePcmLoopStartOrWritePointer](/zh-CN/reference/audio/shapepcmcontext/functions/getshapepcmloopstartorwritepointer.md)
- [GetShapePcmReadPointer](/zh-CN/reference/audio/shapepcmcontext/functions/getshapepcmreadpointer.md)