acldvppPngGetImageInfo

Applicable Products

Product

Supported

Ascend 950PR/Ascend 950DT

x

Atlas A3 training products/Atlas A3 inference products

√

Atlas A2 training products/Atlas A2 inference products

√

Atlas 200I/500 A2 inference products

√

Atlas inference products

√

Atlas training products

√

Function

Reads the width and height of a PNG image from the buffer that stores the PNG image data.

Prototype

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aclError acldvppPngGetImageInfo(const void *data,
uint32_t dataSize,
uint32_t *width,
uint32_t *height,
int32_t *components)

Parameters

Parameter

Input/Output

Description

data

Input

Pointer to the address of the buffer that stores the PNG image.

dataSize

Input

Buffer size in bytes.

width

Output

Pointer to the image width.

height

Output

Pointer to the image height.

components

Output

Pointer to the number of color channels.

Returns

0 on success; else, failure. For details, see aclError.