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Diffstat (limited to 'driver/xscreensaver-getimage-video')
| -rwxr-xr-x | driver/xscreensaver-getimage-video | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/driver/xscreensaver-getimage-video b/driver/xscreensaver-getimage-video deleted file mode 100755 index dbc8986..0000000 --- a/driver/xscreensaver-getimage-video +++ /dev/null @@ -1,144 +0,0 @@ -#!/usr/bin/perl -w -# Copyright © 2001-2015 Jamie Zawinski <jwz@jwz.org>. -# -# Permission to use, copy, modify, distribute, and sell this software and its -# documentation for any purpose is hereby granted without fee, provided that -# the above copyright notice appear in all copies and that both that -# copyright notice and this permission notice appear in supporting -# documentation. No representations are made about the suitability of this -# software for any purpose. It is provided "as is" without express or -# implied warranty. -# -# This program attempts to grab a single frame of video from the system's -# video capture card, and then load it on to the root window using the -# "xscreensaver-getimage-file" program. Various frame-grabbing programs -# are known, and the first one found is used. -# -# The various xscreensaver hacks that manipulate images ("slidescreen", -# "jigsaw", etc.) get the image to manipulate by running the -# "xscreensaver-getimage" program. -# -# The various screen savers invoke "xscreensaver-getimage", which will in -# turn invoke this program, depending on the value of the "grabVideoFrames" -# setting in the ~/.xscreensaver file (or in the app-defaults file, usually -# /usr/lib/X11/app-defaults/XScreenSaver). -# -# Created: 13-Apr-2001. - -require 5; -#use diagnostics; # Fails on some MacOS 10.5 systems -use strict; - -my $progname = $0; $progname =~ s@.*/@@g; -my $version = q{ $Revision: 1.23 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/; - -my $tmpdir = $ENV{TMPDIR} || "/tmp"; -my $tmpfile = sprintf("%s/xssv.%08x.ppm", $tmpdir, rand(0xFFFFFFFF)); - -my $verbose = 0; - - -# These are programs that can be used to grab a video frame. The first one -# of these programs that exists on $PATH will be used, and the image file -# is assumed to be written to $tmpfile (in some image format acceptable to -# "xscreensaver-getimage-file", e.g., PPM or JPEG.) -# -# If you add other programs to this list, please let me know! -# -my @programs = ( - - "bttvgrab -d q -Q -l 1 -o ppm -f $tmpfile", # BTTV - "qcam > $tmpfile", # Connectix Qcam - "gqcam -t PPM -d $tmpfile", # GTK+ Qcam clone - - "v4lctl snap ppm full $tmpfile", # XawTV 3.94. - - "streamer -a -s 768x576 -o $tmpfile", # XawTV - # the "-a" option ("mute audio") arrived with XawTV 3.76. - - "atitv snap $tmpfile", # ATI video capture card - - "grab -type ppm -format ntsc -source 1 " . # *BSD BT848 module - "-settle 0.75 -output $tmpfile", - - "motioneye -j $tmpfile", # Sony Vaio MotionEye - # (hardware jpeg encoder) - - "vidcat -b -f ppm -s 640x480 > $tmpfile 2>&-", # w3cam/ovcam - - "vidtomem -f $tmpfile 2>&- " . # Silicon Graphics - "&& mv $tmpfile-00000.rgb $tmpfile", - - # Maybe this works? - # "ffmpeg -i /dev/video0 -ss 00:00:01 -vframes 1 $tmpfile 2>&-", - - # "mplayer -really-quiet tv://0 " . # Maybe works with some cams? - # "-ao null -vo pnm -frames 1 2>&- " . - # "&& mv 00000001.ppm $tmpfile", - -); - - -sub error($) { - my ($e) = @_; - print STDERR "$progname: $e\n"; - exit 1; -} - -sub pick_grabber() { - my @names = (); - - foreach my $cmd (@programs) { - $_ = $cmd; - my ($name) = m/^([^ ]+)/; - push @names, "\"$name\""; - print STDERR "$progname: looking for $name...\n" if ($verbose > 2); - foreach my $dir (split (/:/, $ENV{PATH})) { - print STDERR "$progname: checking $dir/$name\n" if ($verbose > 3); - if (-x "$dir/$name") { - return $cmd; - } - } - } - - $names[$#names] = "or " . $names[$#names]; - error ("none of: " . join (", ", @names) . " were found on \$PATH."); -} - - -sub grab_image() { - my $cmd = pick_grabber(); - unlink $tmpfile; - - print STDERR "$progname: executing \"$cmd\"\n" if ($verbose); - system ($cmd); - - if (! -s $tmpfile) { - unlink $tmpfile; - error ("\"$cmd\" produced no data."); - } - - print STDERR "$progname: wrote \"$tmpfile\"\n" if ($verbose); - print STDOUT "$tmpfile\n"; -} - - -sub usage() { - print STDERR "usage: $progname [--verbose] [--name | --stdout]\n"; - exit 1; -} - -sub main() { - while ($_ = $ARGV[0]) { - shift @ARGV; - if (m/^--?verbose$/s) { $verbose++; } - elsif (m/^-v+$/s) { $verbose += length($_)-1; } - elsif (m/^--?name$/s) { } # ignored, for compatibility - elsif (m/^-./) { usage; } - else { usage; } - } - grab_image(); -} - -main; -exit 0; |