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/* See LICENSE file for copyright and license details. */
#include "common.h"
USAGE("(file columns) ...")
int
main(int argc, char *argv[])
{
struct stream stream;
size_t *cols, period = 0, parts, i;
int *fds;
UNOFLAGS(argc % 2 || !argc);
eopen_stream(&stream, NULL);
parts = (size_t)argc / 2;
cols = alloca(parts * sizeof(*cols));
fds = alloca(parts * sizeof(*fds));
for (i = 0; i < parts; i++) {
fds[i] = eopen(argv[i * 2], O_WRONLY | O_CREAT | O_TRUNC, 0666);
cols[i] = etozu_arg("columns", argv[i * 2 + 1], 1, SIZE_MAX);
}
for (i = 0; i < parts; i++) {
if (cols[i] > SIZE_MAX - period)
goto bad_col_count;
period += cols[i];
}
if (period != stream.width)
goto bad_col_count;
for (i = 0; i < parts; i++)
if (DPRINTF_HEAD(fds[i], stream.frames, cols[i], stream.height, stream.pixfmt) < 0)
eprintf("dprintf %s:", argv[i * 2]);
for (i = 0; i < parts; i++, i = i == parts ? 0 : i)
if (esend_pixels(&stream, fds[i], cols[i], argv[i * 2]) != cols[i])
break;
for (i = 0; i < parts; i++)
close(fds[i]);
return 0;
bad_col_count:
eprintf("the sum of all columns must add up to the width of the input video\n");
return 1;
}
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