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| //
| // Created by YY on 2021/12/2.
| //
|
| #include <stdint.h>
| #include <stdio.h>
| #include <setjmp.h>
| #include "jpeg.h"
| #include "jpeglib.h"
| #include "turbojpeg.h"
|
| static tjhandle handle = NULL;
|
| void init_JPEG_turbo(void)
| {
| handle = tjInitDecompress();
| }
|
| void uninit_JPEG_turbo(void) {
| if (handle) {
| tjDestroy(handle);
| handle = NULL;
| }
| }
|
| void read_JPEG_turbo(const uint8_t *jpg, int length, uint8_t *rgba)
| {
| int width, height, subsample, colorspace;
|
| tjDecompressHeader3(handle, jpg, length, &width, &height, &subsample, &colorspace);
|
| tjDecompress2(handle, jpg, length, rgba, width, 0, height, TJPF_RGBA,
| TJFLAG_FASTDCT| TJFLAG_FASTUPSAMPLE);
| }
|
|
