X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=driver%2Fxscreensaver-getimage-video;h=15c5a9ef6e3aefe28de4dffebd317cf75ecd61fc;hb=2d04c4f22466851aedb6ed0f2919d148f726b889;hp=7612b1235e1fd2986bb4d0a3597b2513b1d2f962;hpb=a94197e76a5dea5cb60542840809d6c20d0abbf3;p=xscreensaver

diff --git a/driver/xscreensaver-getimage-video b/driver/xscreensaver-getimage-video
index 7612b123..15c5a9ef 100755
--- a/driver/xscreensaver-getimage-video
+++ b/driver/xscreensaver-getimage-video
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# Copyright © 2001, 2002 Jamie Zawinski <jwz@jwz.org>.
+# Copyright © 2001, 2002, 2003, 2005 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
@@ -22,45 +22,49 @@
 # value of the "grabVideoFrames" setting in the ~/.xscreensaver file
 # (or in /usr/lib/X11/app-defaults/XScreenSaver).
 #
-# Created: 13-Apr-01.
+# Created: 13-Apr-2001.
 
 require 5;
 use diagnostics;
 use strict;
 
 my $progname = $0; $progname =~ s@.*/@@g;
-my $version = q{ $Revision: 1.7 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
+my $version = q{ $Revision: 1.13 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
 
 my $verbose = 0;
 
+my $tmpdir  = $ENV{TMPDIR} || "/tmp";
+my $tmpfile = sprintf ("%s/xssgv.%08x.ppm", $tmpdir, rand(0xFFFFFFFF));
+
+
 # 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 stdout (in some image format acceptable to
+# 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 $tmpdir = $ENV{TMPDIR};
-$tmpdir = "/tmp" unless $tmpdir;
-
-my $tmpfile = "$tmpdir/xssgv.$$.ppm";
-
-# this crap is because "vidtomem" can only write to a file, and uses
-# a stupid, non-overridable file name format.
-my $sgi_bogosity = "$tmpfile-00000.rgb";
-
 my @programs = (
 
   "bttvgrab -d q -Q -l 1 -o ppm -f $tmpfile",	# BTTV
   "qcam > $tmpfile",				# Connectix Qcam
-  "streamer -s 768x576 -o $tmpfile",		# XawTV
+  "gqcam -t PPM -d $tmpfile",			# GTK+ Qcam clone
+
+  "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 " .
-        "-settle 0.75 -output $tmpfile",	# *BSD BT848 module
+  "grab -type ppm -format ntsc -source 1 " .	# *BSD BT848 module
+	"-settle 0.75 -output $tmpfile",
+
+  "motioneye -j $tmpfile",			# Sony Vaio MotionEye
+						# (hardware jpeg encoder)
 
-  "vidtomem -f $tmpfile 2>&- && mv $sgi_bogosity $tmpfile",  # Silicon Graphics
+  "vidcat -b -f ppm -s 640x480 > $tmpfile 2>-",	# w3cam/ovcam
+
+  "vidtomem -f $tmpfile 2>&- " .		# Silicon Graphics
+	"&& mv $tmpfile-00000.rgb $tmpfile",
 );
 
 
@@ -94,7 +98,8 @@ sub pick_grabber {
 }
 
 
-my $use_stdout = 0;
+my $use_stdout_p = 0;
+my $return_filename_p = 0;
 
 sub grab_image {
   my $cmd = pick_grabber();
@@ -109,7 +114,11 @@ sub grab_image {
       error "\"$cmd\" produced no data.";
     }
 
-  if ($use_stdout) {
+  if ($return_filename_p) {
+    print STDERR "$progname: wrote \"$tmpfile\"\n" if ($verbose);
+    print STDOUT "$tmpfile\n";
+
+  } elsif ($use_stdout_p) {
     local *IN;
     my $ppm = "";
     my $reader  = "<$tmpfile";
@@ -143,7 +152,7 @@ sub grab_image {
 
 
 sub usage {
-  print STDERR "usage: $progname [--verbose] [--stdout]\n";
+  print STDERR "usage: $progname [--verbose] [--name | --stdout]\n";
   exit 1;
 }
 
@@ -152,7 +161,8 @@ sub main {
     shift @ARGV;
     if ($_ eq "--verbose") { $verbose++; }
     elsif (m/^-v+$/) { $verbose += length($_)-1; }
-    elsif (m/^--?stdout$/) { $use_stdout = 1; }
+    elsif (m/^--?stdout$/) { $use_stdout_p = 1; }
+    elsif (m/^--?name$/)   { $return_filename_p = 1; }
     elsif (m/^-./) { usage; }
     else { usage; }
   }