acldvppPngPredictDecSize

Applicability

Product

Supported

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

Description

Predicts the output buffer allocation required for PNG decoding based on the memory of the input PNG image.

Prototype

aclError acldvppPngPredictDecSize(const void *data,
uint32_t dataSize,
acldvppPixelFormat outputPixelFormat,
uint32_t *decSize)

Parameters

Parameter

Input/Output

Description

data

Input

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

dataSize

Input

Buffer size in bytes.

outputPixelFormat

Input

Destination format.

  • PIXEL_FORMAT_UNKNOWN: the format that requires the maximum allocation.
  • PIXEL_FORMAT_RGB_888
  • PIXEL_FORMAT_RGBA_8888

decSize

Output

Pointer to the size of the output buffer for the decoded PNG image, in bytes.

Returns

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

See Also

For details about the API call sequence and example, see PNGD.