Function: dvpp_jpeg_get_image_info
C Prototype |
aclError acldvppJpegGetImageInfo(const void *data, uint32_t size, uint32_t *width, uint32_t *height, int32_t *components) |
|---|---|
Python Function |
width, height, components, ret = acl.media.dvpp_jpeg_get_image_info(data, size) |
Function Usage |
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. |
Input Description |
data: int, address of the memory on the host that stores the JPEG image data. size: int, buffer size, in bytes. |
Return Value |
width: int, pointer address of the image width. height: int, pointer address of the image height. components: int, pointer address of the number of color channels. ret: int, error code.
|