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/* See LICENSE file for copyright and license details. */
#include "stream.h"
#include "util.h"
#include <fcntl.h>
#include <inttypes.h>
#include <string.h>
#include <unistd.h>
USAGE("")
int
main(int argc, char *argv[])
{
struct stream stream;
char *buf, *image;
size_t n, imgw, srcw, srch, ps, x, y, i, b, dx;
ENOFLAGS(argc);
stream.file = "<stdin>";
stream.fd = STDIN_FILENO;
einit_stream(&stream);
imgw = srch = stream.height;
stream.height = srcw = stream.width;
stream.width = imgw;
fprint_stream_head(stdout, &stream);
efflush(stdout, "<stdout>");
echeck_frame_size(stream.width, stream.height, stream.pixel_size, 0, "<stdin>");
n = stream.width * stream.height * (ps = stream.pixel_size);
buf = emalloc(n);
image = emalloc(n);
srch *= ps;
srcw *= dx = imgw * ps;
imgw *= ps;
while (eread_frame(&stream, buf, n)) {
for (b = y = 0; y < srch; y += ps)
for (x = 0; x < srcw; x += dx)
for (i = 0; i < ps; i++, b++)
image[y + x + i] = buf[b];
ewriteall(STDOUT_FILENO, image, n, "<stdout>");
}
free(buf);
free(image);
return 0;
}
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