文件名称:
bufferdata.md
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Openharmony v1.0 / docs / docs-en / api / api-SmartVision-Devices
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# BufferData
## **Overview**
**Related Modules:**
[Display](display.md)
**Description:**
Defines buffer data of a layer, including the virtual and physical memory addresses.
## **Summary**
## Data Fields
## **Details**
## **Field Documentation**
## phyAddr
```
uint64_t BufferData::phyAddr
```
**Description:**
Physical memory address
## virAddr
```
void* BufferData::virAddr
```
**Description:**
Virtual memory address
## **Overview**
**Related Modules:**
[Display](display.md)
**Description:**
Defines buffer data of a layer, including the virtual and physical memory addresses.
## **Summary**
## Data Fields
## **Details**
## **Field Documentation**
## phyAddr
```
uint64_t BufferData::phyAddr
```
**Description:**
Physical memory address
## virAddr
```
void* BufferData::virAddr
```
**Description:**
Virtual memory address
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