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#!/usr/bin/perl -w
use strict;
use Getopt::Long;
#############################################
############# CAM RUN-TIME OPTIONS ##########
#############################################
my $feh = "feh";
# additional feh cmdline options
my $PRE = " -q -G -Twebcam -1 0 -0 1 ";
my $POST = "";
#############################################
#############################################
# Options
my $help = '';
my $fullscreen = '';
my $geometry = '';
my $list = '';
my $verbose = '';
my $add = '';
my $keep = '';
my $deftitle = '%cCAM - %u';
my $title = '';
my $bp = $ENV{HOME}."/.cam_bookmarks";
my $DEBUG = 0;
# check args
&print_usage_and_exit unless (@ARGV);
print STDERR "Note: feh-cam will be removed from the feh distribution in 2013.\n";
print STDERR "Please mail derf\@finalrewind.org if you still use it.\n";
# Url, Refresh, and bookmarks
my $url = "";
my $ref = "";
my %bms = ();
GetOptions('help|?|h' => \$help,
'full-screen|f|giblets-mom' => \$fullscreen,
'list|l' => \$list,
'geometry|g=s' => \$geometry,
'verbose|v' => \$verbose,
'add|a' => \$add,
'keep-images|k|save-pr0n' => \$keep,
'title|t=s' => \$title,
'debug|d' => \$DEBUG,
'bookmarks|b=s' => \$bp
);
my $key = shift @ARGV;
&print_usage_and_exit if ($help);
if ($verbose) {
$PRE .= " -V ";
}
if ($fullscreen) {
$PRE =~ s/-w//;
$PRE .= " --full-screen --auto-zoom ";
}
if ($geometry) {
$PRE .= " --geometry $geometry ";
}
# if requested, add a key/url pair to bookmarks file
if ($add) {
my $mytitle = '';
($url,$ref,$mytitle) = @ARGV;
die "Bad key syntax\n" unless ($key && $url && $ref);
$mytitle="" unless ($mytitle);
open(BMF, ">>$bp") or die "Couldn't open bookmarks file \"$bp\": $!\n";
print BMF "$key=$ref,$url \"$mytitle\"\n";
close BMF;
print "Added URL key \"$key\" = $url, $ref.\n"; # its useful to have this even if you arent debugging --richlowe
exit 0;
}
if ($keep) {
$PRE .= " -k ";
}
# load bookmarks
open(BMF, "$bp") or die "Couldn't open bookmarks file \"$bp\": $!\n";
foreach (<BMF>) {
next unless /^(.*?)=(.*)$/;
$bms{$1} = $2;
print "key=$1, url=$2\n" if ($DEBUG);
}
close BMF;
# if requested, dump a list of key/url pair values
if ($list) {
foreach (sort keys %bms) {
my $t = $bms{$_};
$t =~ s/^(.+?),(.+?)(^ "(.*)"|)?$/$2/;
chomp $t;
print "$_ = $t, $1, $3\n";
}
exit 0;
}
# main loop
MAIN: {
do {
$title="";
$url = $bms{$key};
die "Couldn't find URL key \"$key.\"\n" unless($url);
$url =~ s/^(.+?),(.+?)( "(.*)")?$/$2/;
$ref = $1;
if ($4) {
$title = $4;
} else {
$title = $deftitle;
}
if ($title) {
$title =~ s/\%c/$key/g;
$title =~ s/\%u/$url/g;
$title =~ s/\%r/$ref/g;
$title =~ s/\%\%/\%/g;
$title = " --title \"$title\" ";
}
my $cmd = "$feh $PRE $title -T".$key."cam -R $ref $url $POST";
print "$cmd\n" if ($DEBUG);
FORK: {
my $pid;
if ($pid = fork) {
# We're a daddy! :)
} elsif (defined $pid) {
# child
exec "$cmd" or die "Couldnt exec() $feh: $!\n";
} elsif ( $! =~ /No more process/) {
sleep 5;
redo FORK;
} else {
# wtf?
die "Unrecoverable fork() error: $!\n";
}
}
} while ($key = shift @ARGV);
}
sub print_usage_and_exit() {
print <<END_USAGE;
$0 0.4
by Paul Duncan <pabs\@pablotron.org>, and
Richard Lowe <richlowe\@btinternet.com>
Description:
A convenient webcam wrapper for feh.
Usage:
$0 <keys>
Load the urls specified by the given keys.
key : a url key stored in the bookmarks file (\"$bp\").
$0 <-a|--add> key url refresh
Add a key to the bookmarks file.
key : short key (ex \"jenni\"),
url : url (ex \"http://www.jennicam.org/webcam/cam.jpg\"),
refresh : refresh, in seconds (ex 120)
$0 <-l|--list>
List each url key in the bookmarks file (\"$bp\").
$0 [-f|--full-screen] keys
Start feh in full-screen mode (aka --giblets-mom \"viewing\" mode).
$0 [-k|--keep-images] keys
Save each image in the current directory (aka --save-pr0n).
$0 [-g|--geometry] xxx
Use window geometry xxx (e.g. 640x480).
$0 [-v|--verbose] options
Start feh in verbose mode (feh -V).
$0 <-h|-?|--help>
Display usage information (this screen).
Notes:
Thanks to giblet for feh, an awesome image and webcam viewing program,
and raster for Imlib2.
END_USAGE
exit(-1);
}
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