thumbnail and meta generation

[serve0] / helpers / genthumb.sh

diff --git a/helpers/genthumb.sh b/helpers/genthumb.sh
index 7db84782c82165d5d8b1da48b35706c50148ed12..2119d85dabf247885e468900012084b67322ac0b 100755 (executable)
--- a/helpers/genthumb.sh
+++ b/helpers/genthumb.sh
@@ -1,16 +1,32 @@
 #!/bin/zsh
+# Copyright 2014 - 2017 Paul Hänsch
+#
+# This file is part of Serve0
+#
+# Serve0 is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Serve0 is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with Serve0  If not, see <http://www.gnu.org/licenses/>.
 
 video="$1"
 thumb="$2"
 
 if [ -e "$video" -a \! -e "$thumb" ]; then
-  echo '' |mplayer --input=nodefault-bindings -nosound -vo null -frames 0 -identify "$video" \
+  printf '' |mplayer -input nodefault-bindings -nosound -vo null -frames 0 -identify "$video" \
   | sort \
   | sed -rn 's:^.*ID_LENGTH=(.*)(\..*)$:\1:p;
              s:^.*ID_VIDEO_HEIGHT=(.*)$:\1:p;
              s:^.*ID_VIDEO_WIDTH=(.*)$:\1:p;' \
   | tr '\n' ' ' \
-  | read length height width
+  | read length height width 2>/dev/null
   
   [ "$(($height * 1000 / $width))" -gt "750" ] && width="$((75 * $width / $height))" \
                                            || width=100
@@ -19,10 +35,10 @@ if [ -e "$video" -a \! -e "$thumb" ]; then
   
   tmp="$(mktemp -d)"
   for cnt in 1 2 3 4; do
-    echo '' |mplayer --input=nodefault-bindings -nosound -vo jpeg:outdir="$tmp" -frames 1 \
-             --benchmark -vf framestep=I,scale="$width":-2 -ss "$(($cnt*$chunk))" "$video"
+    printf '' |mplayer -input nodefault-bindings -nosound -vo jpeg:outdir="$tmp" -frames 1 \
+             -benchmark -vf framestep=I,scale="$width":-2 -ss "$(($cnt*$chunk))" "$video" >/dev/null 2>/dev/null
     mv "$tmp/00000001.jpg" "${tmp}/_${cnt}.jpg"
   done
-  montage "${tmp}"/_[1234].jpg -tile 2x2+0+0 -geometry 100x75+3+3 -background '#000000' "${thumb}"
+  montage "${tmp}"/_[1234].jpg -tile 2x2+0+0 -geometry 100x75+3+3 -background '#000000' -quality 50 "${thumb}" 2>/dev/null
   rm -r "${tmp}"
 fi