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/* See LICENSE file for copyright and license details. */
#include "stream.h"
#include "util.h"
#include <inttypes.h>
#include <string.h>
#include <unistd.h>
#undef eprintf
#define eprintf(...) enprintf(2, __VA_ARGS__)
USAGE("width height pixel-format ...")
int
main(int argc, char *argv[])
{
struct stream stream;
size_t n, w;
int i, anything = 0;
char *p;
ENOFLAGS(argc < 3);
stream.frames = 1;
stream.fd = STDIN_FILENO;
stream.file = "<stdin>";
stream.pixfmt[0] = '\0';
stream.width = etozu_arg("the width", argv[0], 1, SIZE_MAX);
stream.height = etozu_arg("the height", argv[1], 1, SIZE_MAX);
argv += 2, argc -= 2;
n = (size_t)argc - 1;
for (i = 0; i < argc; i++)
n += strlen(argv[i]);
if (n < sizeof(stream.pixfmt)) {
p = stpcpy(stream.pixfmt, argv[0]);
for (i = 1; i < argc; i++) {
*p++ = ' ';
p = stpcpy(p, argv[i]);
}
}
eset_pixel_size(&stream);
fprint_stream_head(stdout, &stream);
efflush(stdout, "<stdout>");
w = stream.width * stream.pixel_size;
while (stream.height) {
stream.height--;
for (n = w; n; n -= stream.ptr) {
stream.ptr = 0;
if (!eread_stream(&stream, n))
goto done;
anything = 1;
ewriteall(STDOUT_FILENO, stream.buf, stream.ptr, "<stdout>");
}
}
done:
if (stream.height || n)
eprintf("incomplete frame\n");
return !anything;
}
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