// websocket client has produced data, deframe if an send to server
static void client_read ( struct bufferevent* be, void* arg ) {
struct bufferevent* server = (struct bufferevent*) arg;
char buf[1024 * 10];
int n = bufferevent_read ( be, buf, sizeof buf );
if ( n > 0 ) {
char* p = buf;
while ( ( p = deframe ( p, buf + n - p ) ) != NULL ) {
bufferevent_write ( server, p, strlen ( p ) );
bufferevent_enable ( server, EV_WRITE );
}
}
}
int main(int c, char *v[])
{
if (c != 10 && c != 11 && c != 12) {
fprintf(stderr, "usage:\n\t"
"%s ax ay bx by cx cy dx dy [in [out]]\n", *v);
// 0 1 2 3 4 5 6 7 8 9 10
return EXIT_FAILURE;;
}
float points[4][2];
for (int i = 0; i < 8; i++)
points[i/2][i%2] = atof(v[1+i]);
char *filename_in = c > 9 ? v[9] : "-";
char *filename_out = c > 10 ? v[10] : "-";
int w[2], h[2], pd;
float *x = iio_read_image_float_vec(filename_in, w, h, &pd);
float *y = xmalloc(w[0] * h[0] * pd * sizeof*y);
deframe(y, w+1, h+1, x, *w, *h, pd, points);
iio_write_image_float_vec(filename_out, y, w[1], h[1], pd);
free(y);
free(x);
return EXIT_SUCCESS;
}
