CreateDeviceBufferWithMemory

Function Usage

Creates the MxpiBuffer (data structure transferred between plugins). Users pass the memory address and size, device ID, and device type. The device memory data, memory size, device ID, and device type are stored in the metadata.

Prototype

static MxpiBuffer* MxpiBufferManager::CreateDeviceBufferWithMemory(const InputParam& inputParam);

Parameters

Parameter	Description
inputParam	Data structure defined by the Buffer API. For details, see InputParam. The value range of inputParam.dataSize is [1, 4294967296]. The key in the inputParam structure cannot be passed to ReserveMetadataGraph, ReservedVisionList, and ErrorInfo.

Parameter

Description

inputParam

Data structure defined by the Buffer API. For details, see InputParam. The value range of inputParam.dataSize is [1, 4294967296].

The key in the inputParam structure cannot be passed to ReserveMetadataGraph, ReservedVisionList, and ErrorInfo.

Response Parameters

Data Structure	Description
MxpiBuffer*	Data structure transferred between plugins. For details, see MxpiBuffer.

Parent topic: MxpiBufferManager