acldvppJpegGetImageInfo
Description
Reads the width, height, and color channel count from the buffer that stores the JPEG image data.
This API checks whether the image format supports decoding. For an unsupported stream, the API returns the error code ACL_ERROR_UNSUPPORTED_JPEG. See aclError for more details.
Prototype
aclError acldvppJpegGetImageInfo(const void *data,
uint32_t size,
uint32_t *width,
uint32_t *height,
int32_t *components)
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
data |
Input |
Pointer to the address of the memory that stores the JPEG image. |
size |
Input |
Buffer size in bytes. |
width |
Output |
Pointer to the image width. |
height |
Output |
Pointer to the image height. |
components |
Output |
Pointer to the number of color channels. |
Returns
0: The information is obtained successfully. Other values: The information fails to be obtained.