1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/* See LICENSE file for copyright and license details. */
#include "stream.h"
#include "util.h"
#include <inttypes.h>
#include <string.h>
#include <unistd.h>
USAGE("[-f frames] width height pixel-format ...")
int
main(int argc, char *argv[])
{
struct stream stream;
size_t n, w, h = 0;
int i, anything = 0;
char *p;
stream.frames = 1;
ARGBEGIN {
case 'f':
stream.frames = etozu_flag('f', UARGF(), 1, SIZE_MAX);
break;
default:
usage();
} ARGEND;
if (argc < 3)
usage();
stream.fd = STDIN_FILENO;
stream.file = "<stdin>";
stream.pixfmt[0] = '\0';
stream.width = entozu_arg(2, "the width", argv[0], 1, SIZE_MAX);
stream.height = entozu_arg(2, "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]);
}
}
enset_pixel_size(2, &stream);
fprint_stream_head(stdout, &stream);
enfflush(2, stdout, "<stdout>");
w = stream.width * stream.pixel_size;
for (; stream.frames; stream.frames--) {
for (h = stream.height; h; h--) {
for (n = w; n; n -= stream.ptr, stream.ptr = 0) {
if (!stream.ptr && !enread_stream(2, &stream, n))
goto done;
anything = 1;
enwriteall(2, STDOUT_FILENO, stream.buf, stream.ptr, "<stdout>");
}
}
}
done:
if (anything && stream.frames)
enprintf(2, "%s: is shorted than expected\n", stream.file);
return !anything;
}
|
