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Add 'q' option to just display the device properties and quit.

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Tested and ok czarkoff
This commit is contained in:
mglocker 2016-06-04 07:44:32 +00:00
parent 9df5e43bd2
commit 75f41efb37
2 changed files with 38 additions and 6 deletions
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9
app/video/video.1
View File

@ -1,4 +1,4 @@
.\" $OpenBSD: video.1,v 1.12 2016/05/31 06:47:12 mglocker Exp $
.\" $OpenBSD: video.1,v 1.13 2016/06/04 07:44:32 mglocker Exp $
.\"
.\" Copyright (c) 2010 Jacob Meuser <jakemsr@openbsd.org>
.\"
@ -15,7 +15,7 @@
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.\"
.Dd $Mdocdate: May 31 2016 $
.Dd $Mdocdate: June 4 2016 $
.Dt VIDEO 1
.Os
.Sh NAME
@ -25,7 +25,7 @@
.Sh SYNOPSIS
.Nm
.Bk -words
.Op Fl \&gRv
.Op Fl \&gqRv
.Op Fl a Ar adaptor
.Op Fl e Ar encoding
.Op Fl f Ar file
@ -133,6 +133,9 @@ If
is
.Ql - ,
frames will be written to standard output.
.It Fl q
Query for encodings, frame sizes/rates, and controls.
Display them and quit.
.It Fl R
Disable frame rate adjustment.
.It Fl r Ar rate

35
app/video/video.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: video.c,v 1.16 2016/06/02 08:53:32 tb Exp $ */
/* $OpenBSD: video.c,v 1.17 2016/06/04 07:44:32 mglocker Exp $ */
/*
* Copyright (c) 2010 Jacob Meuser <jakemsr@openbsd.org>
*
@ -169,6 +169,7 @@ struct video {
#define M_OUT_XV 0x2
#define M_IN_FILE 0x4
#define M_OUT_FILE 0x8
#define M_QUERY 0x10
int mode;
int verbose;
};
@ -186,6 +187,7 @@ int dev_get_sizes(struct video *);
int dev_get_rates(struct video *);
int dev_get_ctrls(struct video *);
void dev_dump_info(struct video *);
void dev_dump_query(struct video *);
int dev_init(struct video *);
void dev_set_ctrl(struct video *, int, int);
void dev_reset_ctrls(struct video *);
@ -213,7 +215,7 @@ extern char *__progname;
void
usage(void)
{
fprintf(stderr, "usage: %s [-gRv] "
fprintf(stderr, "usage: %s [-gqRv] "
"[-a adaptor] [-e encoding] [-f file] [-i input] [-O output]\n"
" %*s [-o output] [-r rate] [-s size]\n", __progname,
(int)strlen(__progname), "");
@ -1024,6 +1026,24 @@ dev_dump_info(struct video *vid)
fprintf(stderr, "\n");
}
void
dev_dump_query(struct video *vid)
{
if (!dev_check_caps(vid))
return;
if (!dev_get_encs(vid))
return;
if (!choose_enc(vid))
return;
if (!dev_get_sizes(vid))
return;
if (!dev_get_rates(vid))
return;
if (!dev_get_ctrls(vid))
return;
dev_dump_info(vid);
}
int
dev_init(struct video *vid)
{
@ -1757,7 +1777,7 @@ main(int argc, char *argv[])
vid.mmap_on = 1; /* mmap method is default */
wout = 1;
while ((ch = getopt(argc, argv, "gvRa:e:f:i:O:o:r:s:")) != -1) {
while ((ch = getopt(argc, argv, "gqRva:e:f:i:O:o:r:s:")) != -1) {
switch (ch) {
case 'a':
x->cur_adap = strtonum(optarg, 0, 4, &errstr);
@ -1802,6 +1822,10 @@ main(int argc, char *argv[])
optarg);
}
break;
case 'q':
vid.mode |= M_QUERY;
vid.mode &= ~M_OUT_XV;
break;
case 'R':
vid.nofps = 1;
break;
@ -1832,6 +1856,11 @@ main(int argc, char *argv[])
argc -= optind;
argv += optind;
if (vid.mode & M_QUERY) {
dev_dump_query(&vid);
cleanup(&vid, 0);
}
if (vid.fps == 0)
vid.nofps = 1;