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_t BufferHandle::handle

Description:

Physical address

key


1. int32_t BufferHandle::key

Description:

Shared memory key

phyAddr


1. uint64_t BufferHandle::phyAddr

Description:

Physical address

shmid


1. int32_t BufferHandle::shmid

Description:

Unique ID of the shared memory

virAddr


1. uint8_t* BufferHandle::virAddr

Description:

Virtual address