OHOS::SurfaceBuffer

Overview

Related Modules:

Surface

Description:

Provides functions such as setting the virtual address, size, and additional attributes of shared memory.

Since:

1.0

Version:

1.0

Summary

Public Member Functions

Public Member Function Name

Description

GetVirAddr () const =0

virtual void * 

Obtains the virtual address of shared memory for producers and consumers.

GetPhyAddr () const =0

virtual uint64_t 

Obtains the physical address of shared memory.

GetSize () const =0

virtual uint32_t 

Obtains the size of shared memory.

SetSize (uint32_t size)=0

virtual void 

Sets the size of shared memory.

SetInt32 (uint32_t key, int32_t value)=0

virtual int32_t 

Sets an extra attribute value of the int32 type.

GetInt32 (uint32_t key, int32_t &value)=0

virtual int32_t 

Obtains an extra attribute value of the int32 type.

SetInt64 (uint32_t key, int64_t value)=0

virtual int32_t 

Sets an extra attribute value of the int64 type.

GetInt64 (uint32_t key, int64_t &value)=0

virtual int32_t 

Obtains an extra attribute value of the int64 type.