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