DvppJpegPredictDecSize
Function Usage
Predicts the output buffer allocation required for JPEG decoding based on the memory of the input JPEG image.
Prototype
APP_ERROR DvppJpegPredictDecSize(const void *imageData, uint32_t dataSize, MxbasePixelFormat outputPixelFormat, uint32_t &decSize);
Parameter Description
Parameter |
Input/Output |
Description |
|---|---|---|
imageData |
Input |
Memory address for storing JPEG image data on the host. It cannot be the memory address on the device. |
dataSize |
Input |
Memory size, in bytes. |
outputPixelFormat |
Input |
Format of the decoded output image. |
decSize |
Output |
Predicted allocation in bytes for the output image. |
Return Parameter Description
Data Structure |
Description |
|---|---|
APP_ERROR |
Error code returned during program execution. For details, see the MxBase/ErrorCode/ErrorCode.h file. |
Parent topic: DvppWrapper