acldvppPngPredictDecSize

Product	Supported
Atlas 350 Accelerator Card	☓
Atlas A3 training product / Atlas A3 inference product	√
Atlas A2 training product / Atlas A2 inference product	√
Atlas 200I/500 A2 inference product	√
Atlas inference product	√
Atlas training product	√

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

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

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	Format of the decoded output image. For details about the type definition, see acldvppPixelFormat. The following formats are supported: 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.

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