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);
}
}
}
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);
}
}
}
