acldvppJpegGetImageInfoV2
Description
Reads the width, height, color channel count, and format of a JPEG image 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 acldvppJpegGetImageInfoV2(const void *data,
uint32_t size,
uint32_t *width,
uint32_t *height,
int32_t *components,
acldvppJpegFormat *format)
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
data |
Input |
Pointer to the address of the buffer 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. |
format |
Output |
Pointer to the source format. |
Returns
0: The information is obtained successfully. Other values: The information fails to be obtained.