PNG decoding function of DVPP. Before calling this API, call Init to initialize this function.

For details about the constraints on the input parameters of the function, see Decode.

APP_ERROR DvppWrapper::DvppPngDecode(DvppDataInfo& inputDataInfo, DvppDataInfo& outputDataInfo);

APP_ERROR DvppWrapper::DvppPngDecode(const std::string& inputPicPath, DvppDataInfo& outputDataInfo);

Parameter	Input/Output	Description
inputDataInfo	Input	Decoded data.
inputPicPath	Input	Path of the image to be decoded.
outputDataInfo	Output	Output data after decoding. The value range of outputDataInfo.dataSize is [1, 4294967296].

Parameter

Input/Output

Description

inputDataInfo

Input

Decoded data.

inputPicPath

Input

Path of the image to be decoded.

outputDataInfo

Output

Output data after decoding.

The value range of outputDataInfo.dataSize is [1, 4294967296].

Data Structure	Description
APP_ERROR	For details about the returned error codes, see APP_ERROR Description.