BufferHandle

Overview

Related Modules:

Codec | Display

Description:

Defines the buffer handle type. The virtual address of a handle maps to its physical address.

Defines the buffer handle, including the shared memory key, shared memory ID, and physical memory address.

Summary

Data Fields

Variable Name

Description

virAddr

uint8_t * 

handle

uintptr_t 

key

int32_t 

shmid

int32_t 

phyAddr

uint64_t 

Details

Field Documentation

handle

  1. uintptr_tBufferHandle::handle

Description:

Physical address

key

  1. int32_tBufferHandle::key

Description:

Shared memory key

phyAddr

  1. uint64_tBufferHandle::phyAddr

Description:

Physical address

shmid

  1. int32_tBufferHandle::shmid

Description:

Unique ID of the shared memory

virAddr

  1. uint8_t*BufferHandle::virAddr

Description:

Virtual address