From c13d6e6070d895dd33f82e80b5d045cbb417bc6c Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Sun, 14 Aug 2011 13:50:26 +0200
Subject: The pic2mpg script of the 'pictures' plugin now generates HD images

---
 PLUGINS/src/pictures/pic2mpg | 90 +++++++++++---------------------------------
 1 file changed, 22 insertions(+), 68 deletions(-)

(limited to 'PLUGINS/src/pictures/pic2mpg')

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";
-- 
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