The pic2mpg script of the 'pictures' plugin now generates HD images

3 files changed, 221 insertions, 68 deletions

diff --git a/PLUGINS/src/pictures/HISTORY b/PLUGINS/src/pictures/HISTORY
index b67bbaca..7e82a3c7 100644
--- a/PLUGINS/src/pictures/HISTORY
+++ b/PLUGINS/src/pictures/HISTORY
@@ -49,3 +49,9 @@ VDR Plugin 'pictures' Revision History
 2011-07-23:
 
 - Now rotating images according to the EXIF 'Orientation' parameter.
+
+2011-08-14:
+
+- The pic2mpg script now generates HD images (thanks to Andre Weidemann for his
+  support in using convert/ffmpeg). The old SD version is still available as
+  pic2mpg-sd.
diff --git a/PLUGINS/src/pictures/pic2mpg b/PLUGINS/src/pictures/pic2mpg
index 6213091e..190ec260 100755
--- a/PLUGINS/src/pictures/pic2mpg
+++ b/PLUGINS/src/pictures/pic2mpg
@@ -7,63 +7,45 @@
 #
 # See the README file for copyright information and how to reach the author.
 #
-# $Id: pic2mpg 2.1 2011/07/23 14:23:59 kls Exp $
-
-## TODO implement HDTV (1920 x 1080)
+# $Id: pic2mpg 2.2 2011/08/14 13:34:15 kls Exp $
 
 use File::Path;
 use File::Spec;
 use Getopt::Std;
 use Image::ExifTool qw(:Public);
-use Image::Size;
 
 $Usage = qq{
 Usage: $0 [options] picture-dir mpeg-dir
        $0 [options] picture-file mpeg-file
 
-Options: -a             Aspect ratio 4:3 (default is 16:9)
-         -f             Force conversion
+Options: -f             Force conversion
          -h             print Help
-         -i             Ignore unknown file types
-         -n             NTSC (default is PAL)
+         -s size        Screen size (WIDTHxHEIGHT, default is 1920x1080)
          -v num         Verbose (0=none, 1=list files, 2=detailed)
-         -x percent     X overscan in percent
-         -y percent     Y overscan in percent
 };
 
-getopts("afhinv:x:y:") || die $Usage;
+getopts("fhs:v:") || die $Usage;
 
 die $Usage if $opt_h;
 
-$Aspect    = $opt_a;
 $Force     = $opt_f;
-$Ignore    = $opt_i;
-$NTSC      = $opt_n;
+$Size      = $opt_s || "1920x1080";
 $Verbose   = $opt_v;
-$OverscanX = $opt_x;
-$OverscanY = $opt_y;
 
 $ListFiles = $Verbose >= 1;
 $Detailed  = $Verbose >= 2;
 
-# Screen size:
-
-$SW = $NTSC ? 720 : 720;
-$SH = $NTSC ? 480 : 576;
-
-$ScreenRatio = $Aspect ? 4 / 3 : 16 / 9;
-
-# Converter programs:
-
-%PNMCONV = (
-  bmp  => "bmptopnm",
-  gif  => "giftopnm",
-  jpeg => "jpegtopnm",
-  jpg  => "jpegtopnm",
-  png  => "pngtopnm",
-  pnm  => "cat",
-  tif  => "tifftopnm",
-  tiff => "tifftopnm",
+# Supported picture types:                                                                                                       
+
+%PICTYPES = (                                                                                                                  
+  bmp  => 1,
+  gif  => 1,
+  jpeg => 1,
+  jpg  => 1,
+  png  => 1,
+  pnm  => 1,
+  tif  => 1,
+  tiff => 1,
   );
 
 # Command options:
@@ -72,13 +54,6 @@ die "$0: missing parameter\n" unless $ARGV[0] && $ARGV[1];
 die "$0: file or directory not found: $ARGV[0]\n" unless -e $ARGV[0];
 die "$0: source and destination must be different\n" if $ARGV[0] eq $ARGV[1];
 
-$verbose1  = $Detailed ? "--verbose" : "";
-$verbose2  = $Detailed ? "-v 2" : "-v 0";
-$system1   = $NTSC ? "" : "--pal";
-$system2   = $NTSC ? "n" : "p";
-$framerate = $NTSC ? "30000:1001" : "25:1";
-$aspect    = $Aspect ? "2" : "3";
-
 # Convert a single file:
 
 if (-f $ARGV[0]) {
@@ -96,7 +71,7 @@ $MPGDIR = File::Spec->rel2abs($ARGV[1]);
 
 chdir($PICDIR) || die "$PICDIR: $!\n";
 
-@Pictures = `find -type f`;
+@Pictures = `find -type f | sort`;
 chomp(@Pictures);
 
 for $pic (@Pictures) {
@@ -146,39 +121,18 @@ sub ConvertFile
 {
   my ($Pict, $Mpeg) = @_;
   (my $Type) = lc($Pict) =~ /\.([^\.]*)$/;
-  if (!defined $PNMCONV{$Type}) {
-     return if ($Ignore);
-     die "unknown file type '$Type': '$Pict'\n";
-     }
-  my ($w, $h) = imgsize($Pict);
-  print "image size is $w x $h\n" if ($Detailed);
+  return if (!defined $PICTYPES{$Type});
   my $Exif = ImageInfo($Pict);
   my $Orientation = $$Exif{"Orientation"};
   my ($Degrees) = $Orientation =~ /Rotate ([0-9]+) /; 
-  my $Rotate = "-null";
-  $Rotate = "-cw"   if $Degrees eq "90";
-  $Rotate = "-ccw"  if $Degrees eq "270";
-  $Rotate = "-r180" if $Degrees eq "180";
+  my $Rotate = $Degrees ? "-rotate $Degrees" : "";
   print "orientation = '$Orientation' -> rotation = $Rotate\n" if ($Detailed);
-  ($w, $h) = ($h, $w) if ($Degrees eq "90" || $Degrees eq "270");
-  if ($w / $h <= $ScreenRatio) {
-     $w = $h * $ScreenRatio;
-     }
-  else {
-     $h = $w / $ScreenRatio;
-     }
-  my $ScaleW = $SW / $w * (100 - 2 * $OverscanX) / 100;
-  my $ScaleH = $SH / $h * (100 - 2 * $OverscanY) / 100;
   $Pict = EscapeMeta($Pict);
   $Mpeg = EscapeMeta($Mpeg);
   print "$Pict -> $Mpeg $Rotate\n" if $ListFiles;
-  my $Cmd = "$PNMCONV{$Type} $Pict 2> /dev/null |"
-          . "pamflip $verbose1 $Rotate |"
-          . "pnmscale $verbose1 --xscale=$ScaleW --yscale=$ScaleH |"
-          . "pnmpad $verbose1 --black --width $SW --height $SH |"
-          . "ppmntsc $verbose1 $system1 |"
-          . "ppmtoy4m $verbose2 -F $framerate -I p -S 420mpeg2 |"
-          . "mpeg2enc $verbose2 -f 3 -b 12500 -a $aspect -q 1 -n $system2 -o $Mpeg";
+  my $Cmd = "convert $Pict -background '#000000' $Rotate -resize $Size -gravity center -extent $Size ppm:- | "
+          . "ffmpeg -f image2pipe -vcodec ppm -i pipe:0 -an -vcodec libx264 -vpre baseline -s $Size -qscale 2 -f mpegts -y $Mpeg "
+          . ($Detailed ? "" : "2>/dev/null");
   !system($Cmd) || die "$Cmd: $!\n";
   $Cmd = "touch -r $Pict $Mpeg";
   !system($Cmd) || die "$Cmd: $!\n";
diff --git a/PLUGINS/src/pictures/pic2mpg-sd b/PLUGINS/src/pictures/pic2mpg-sd
new file mode 100755
index 00000000..15549dcd
--- /dev/null
+++ b/PLUGINS/src/pictures/pic2mpg-sd
@@ -0,0 +1,193 @@
+#!/usr/bin/perl
+
+# pic2mpg: Convert picture files to MPEG still frames
+#
+# Converts either a single picture file or all files in a
+# given directory (recursively) to MPEG still frames.
+#
+# See the README file for copyright information and how to reach the author.
+#
+# $Id: pic2mpg-sd 2.1 2011/07/23 14:23:59 kls Exp $
+
+## TODO implement HDTV (1920 x 1080)
+
+use File::Path;
+use File::Spec;
+use Getopt::Std;
+use Image::ExifTool qw(:Public);
+use Image::Size;
+
+$Usage = qq{
+Usage: $0 [options] picture-dir mpeg-dir
+       $0 [options] picture-file mpeg-file
+
+Options: -a             Aspect ratio 4:3 (default is 16:9)
+         -f             Force conversion
+         -h             print Help
+         -i             Ignore unknown file types
+         -n             NTSC (default is PAL)
+         -v num         Verbose (0=none, 1=list files, 2=detailed)
+         -x percent     X overscan in percent
+         -y percent     Y overscan in percent
+};
+
+getopts("afhinv:x:y:") || die $Usage;
+
+die $Usage if $opt_h;
+
+$Aspect    = $opt_a;
+$Force     = $opt_f;
+$Ignore    = $opt_i;
+$NTSC      = $opt_n;
+$Verbose   = $opt_v;
+$OverscanX = $opt_x;
+$OverscanY = $opt_y;
+
+$ListFiles = $Verbose >= 1;
+$Detailed  = $Verbose >= 2;
+
+# Screen size:
+
+$SW = $NTSC ? 720 : 720;
+$SH = $NTSC ? 480 : 576;
+
+$ScreenRatio = $Aspect ? 4 / 3 : 16 / 9;
+
+# Converter programs:
+
+%PNMCONV = (
+  bmp  => "bmptopnm",
+  gif  => "giftopnm",
+  jpeg => "jpegtopnm",
+  jpg  => "jpegtopnm",
+  png  => "pngtopnm",
+  pnm  => "cat",
+  tif  => "tifftopnm",
+  tiff => "tifftopnm",
+  );
+
+# Command options:
+
+die "$0: missing parameter\n" unless $ARGV[0] && $ARGV[1];
+die "$0: file or directory not found: $ARGV[0]\n" unless -e $ARGV[0];
+die "$0: source and destination must be different\n" if $ARGV[0] eq $ARGV[1];
+
+$verbose1  = $Detailed ? "--verbose" : "";
+$verbose2  = $Detailed ? "-v 2" : "-v 0";
+$system1   = $NTSC ? "" : "--pal";
+$system2   = $NTSC ? "n" : "p";
+$framerate = $NTSC ? "30000:1001" : "25:1";
+$aspect    = $Aspect ? "2" : "3";
+
+# Convert a single file:
+
+if (-f $ARGV[0]) {
+   die "$0: mixed file and directory ('$ARGV[0]' <-> '$ARGV[1]')\n" unless !-e $ARGV[1] || -f $ARGV[1];
+   ConvertFile($ARGV[0], $ARGV[1]);
+   exit;
+   }
+
+die "$0: mixed directory and file ('$ARGV[0]' <-> '$ARGV[1]')\n" unless !-e $ARGV[1] || -d $ARGV[1];
+
+$PICDIR = File::Spec->rel2abs($ARGV[0]);
+$MPGDIR = File::Spec->rel2abs($ARGV[1]);
+
+# Convert pictures to mpegs:
+
+chdir($PICDIR) || die "$PICDIR: $!\n";
+
+@Pictures = `find -type f`;
+chomp(@Pictures);
+
+for $pic (@Pictures) {
+    my $mpg = "$MPGDIR/$pic.mpg";
+    if ($Force || !-e $mpg || -M $mpg > -M $pic) {
+       (my $dir = $mpg) =~ s/\/[^\/]*$//;
+       mkpath($dir);
+       ConvertFile($pic, $mpg);
+       }
+    }
+
+# Remove mpegs without pictures:
+
+chdir($MPGDIR) || die "$MPGDIR: $!\n";
+
+@Mpegs = `find -type f`;
+chomp(@Mpegs);
+
+for $mpg (@Mpegs) {
+    my $pic = "$PICDIR/$mpg";
+    $pic =~ s/\.mpg$//;
+    if (!-e $pic) {
+       print "removing $mpg\n";
+       unlink($mpg);
+       }
+    }
+
+# Remove empty directories:
+
+chdir($MPGDIR) || die "$MPGDIR: $!\n";
+
+for ($i = 0; $i < 10; $i++) { # dirs might become empty when removing empty subdirs
+    @Dirs = `find -type d -empty`;
+    chomp(@Dirs);
+    last unless @Dirs;
+
+    for $dir (@Dirs) {
+        $dir = EscapeMeta($dir);
+        print "removing $dir\n";
+        !system("rm -rf $dir") || die "$dir: $!\n";
+        }
+    }
+
+# Actual file conversion:
+
+sub ConvertFile
+{
+  my ($Pict, $Mpeg) = @_;
+  (my $Type) = lc($Pict) =~ /\.([^\.]*)$/;
+  if (!defined $PNMCONV{$Type}) {
+     return if ($Ignore);
+     die "unknown file type '$Type': '$Pict'\n";
+     }
+  my ($w, $h) = imgsize($Pict);
+  print "image size is $w x $h\n" if ($Detailed);
+  my $Exif = ImageInfo($Pict);
+  my $Orientation = $$Exif{"Orientation"};
+  my ($Degrees) = $Orientation =~ /Rotate ([0-9]+) /;
+  my $Rotate = "-null";
+  $Rotate = "-cw"   if $Degrees eq "90";
+  $Rotate = "-ccw"  if $Degrees eq "270";
+  $Rotate = "-r180" if $Degrees eq "180";
+  print "orientation = '$Orientation' -> rotation = $Rotate\n" if ($Detailed);
+  ($w, $h) = ($h, $w) if ($Degrees eq "90" || $Degrees eq "270");
+  if ($w / $h <= $ScreenRatio) {
+     $w = $h * $ScreenRatio;
+     }
+  else {
+     $h = $w / $ScreenRatio;
+     }
+  my $ScaleW = $SW / $w * (100 - 2 * $OverscanX) / 100;
+  my $ScaleH = $SH / $h * (100 - 2 * $OverscanY) / 100;
+  $Pict = EscapeMeta($Pict);
+  $Mpeg = EscapeMeta($Mpeg);
+  print "$Pict -> $Mpeg $Rotate\n" if $ListFiles;
+  my $Cmd = "$PNMCONV{$Type} $Pict 2> /dev/null |"
+          . "pamflip $verbose1 $Rotate |"
+          . "pnmscale $verbose1 --xscale=$ScaleW --yscale=$ScaleH |"
+          . "pnmpad $verbose1 --black --width $SW --height $SH |"
+          . "ppmntsc $verbose1 $system1 |"
+          . "ppmtoy4m $verbose2 -F $framerate -I p -S 420mpeg2 |"
+          . "mpeg2enc $verbose2 -f 3 -b 12500 -a $aspect -q 1 -n $system2 -o $Mpeg";
+  !system($Cmd) || die "$Cmd: $!\n";
+  $Cmd = "touch -r $Pict $Mpeg";
+  !system($Cmd) || die "$Cmd: $!\n";
+}
+
+sub EscapeMeta
+{
+  my $META = ' !"#$%&\'()*;<>?[\\]`{|}~';
+  my $s = shift;
+  $s =~ s/([$META])/\\$1/g;
+  return $s;
+}