Function: get_first_aipp_info

C Prototype

aclError aclmdlGetFirstAippInfo(uint32_t modelId, size_t index, aclAippInfo *aippInfo)

Python Function

aipp_info, ret = acl.mdl.get_first_aipp_info(model_id, index)

Function Usage

Obtains the AIPP (static or dynamic) configuration of a model.

AIPP provides the following operations and they are executed in the exact sequence:

  1. Cropping
  2. Color space conversion
  3. Resizing (not supported in the current version)
  4. Mean subtraction/Normalization
  5. Padding

Input Description

model_id: int, model ID.

You can obtain the model ID after the model is successfully loaded by calling the following APIs:

index: int, sequence number of the specified input to the model

Return Value

aipp_info: dict, static AIPP configuration of the specified input. For details, see aclAippInfo.

For details, see ATC Instructions.

ret: int, error code.

Restrictions

To obtain the dynamic AIPP configuration, this API call returns the values of only the following parameters in aipp_info: srcFormat, srcDatatype, srcDimNum, shapeCount, and outDims.