void qrcode_check (SDL_Surface *screen, char *payload) {
struct quirc *qr;
int count = 0;
int i = 0;
qr = quirc_new();
if (!qr) {
perror("couldn't allocate QR decoder");
return;
}
if (quirc_resize(qr, screen->w, screen->h) < 0) {
perror("couldn't allocate QR buffer");
return;
}
rgb32_to_luma(screen->pixels, screen->pitch, screen->w, screen->h, quirc_begin(qr, NULL, NULL), screen->w);
quirc_end(qr);
count = quirc_count(qr);
for (i = 0; i < count; i++) {
struct quirc_code code;
struct quirc_data data;
quirc_decode_error_t err;
quirc_extract(qr, i, &code);
err = quirc_decode(&code, &data);
if (! err) {
strcpy(payload, (char *)data.payload);
}
}
quirc_destroy(qr);
}
static int main_loop(struct camera *cam,
struct quirc *q, struct mjpeg_decoder *mj)
{
struct dthash dt;
dthash_init(&dt, printer_timeout);
for (;;) {
int w, h;
int i, count;
uint8_t *buf = quirc_begin(q, &w, &h);
const struct camera_buffer *head;
const struct camera_parms *parms = camera_get_parms(cam);
if (camera_dequeue_one(cam) < 0) {
perror("camera_dequeue_one");
return -1;
}
head = camera_get_head(cam);
switch (parms->format) {
case CAMERA_FORMAT_MJPEG:
mjpeg_decode_gray(mj, head->addr, head->size,
buf, w, w, h);
break;
case CAMERA_FORMAT_YUYV:
yuyv_to_luma(head->addr, w * 2, w, h, buf, w);
break;
default:
fprintf(stderr, "Unknown frame format\n");
return -1;
}
if (camera_enqueue_all(cam) < 0) {
perror("camera_enqueue_all");
return -1;
}
quirc_end(q);
count = quirc_count(q);
for (i = 0; i < count; i++) {
struct quirc_code code;
struct quirc_data data;
quirc_extract(q, i, &code);
if (!quirc_decode(&code, &data))
print_data(&data, &dt, want_verbose);
}
}
}
void cv_to_quirc(struct quirc *q, Mat& img){
uint8_t *image;
quirc_resize(q, img.cols, img.rows);
image = quirc_begin(q, NULL, NULL);
for (int y = 0; y < img.rows; y++) {
uint8_t *row_pointer = image + y * img.cols;
for(int x = 0; x < img.cols; x++){
row_pointer[x] = img.at<uint8_t>(y, x);
}
}
}
static int main_loop(struct camera *cam,
struct quirc *q, struct mjpeg_decoder *mj)
{
struct dthash dt;
dthash_init(&dt, printer_timeout);
for (;;) {
int w, h;
int i, count;
uint8_t *buf = quirc_begin(q, &w, &h);
if (camera_update(cam) < 0)
return -1;
switch (cam->format) {
case CAMERA_FORMAT_MJPEG:
mjpeg_decode_gray(mj, cam->mem, cam->mem_len,
buf, w, w, h);
break;
case CAMERA_FORMAT_YUYV:
yuyv_to_luma(cam->mem, w * 2, w, h, buf, w);
break;
}
quirc_end(q);
count = quirc_count(q);
for (i = 0; i < count; i++) {
struct quirc_code code;
struct quirc_data data;
quirc_extract(q, i, &code);
if (!quirc_decode(&code, &data))
print_data(&data, &dt, want_verbose);
}
}
}
