From 06af2f639193f9e2de0bae67125b66665c327e8f Mon Sep 17 00:00:00 2001
From: paul <paul@plutz.net>
Date: Fri, 7 Aug 2015 23:01:47 +0000
Subject: [PATCH] enable background thumb generation

svn path=/trunk/; revision=80
---
 helpers/genall.sh   |  1 -
 helpers/genmeta.sh  |  9 +++++----
 helpers/genthumb.sh | 49 ++++++++++++++++++++-------------------------
 pages/common.sh     | 20 ++++++++++++------
 4 files changed, 41 insertions(+), 38 deletions(-)

diff --git a/helpers/genall.sh b/helpers/genall.sh
index 6aab046..eb6d6f3 100755
--- a/helpers/genall.sh
+++ b/helpers/genall.sh
@@ -7,7 +7,6 @@ genthumb="$dir/genthumb.sh"
 
 addtag(){
   meta="$1"
-  info="$(basename "$1" |sed -r 's:^(.+)\.meta$:\1:')"
   tag="$2"
   
   length=0; width=0; height=0;
diff --git a/helpers/genmeta.sh b/helpers/genmeta.sh
index c41c491..4fa28e4 100755
--- a/helpers/genmeta.sh
+++ b/helpers/genmeta.sh
@@ -8,12 +8,13 @@ if [ -r "$meta" ]; then
   description="$(sed -n '3,$p' "$meta")"
 fi
 
-mplayer -really-quiet -identify -frames 0 -nosound -vo null "$video" \
-| sed -rn 's:ID_VIDEO_WIDTH=(.*):\1:p;
+mplayer --input=nodefault-bindings:conf=/dev/null -nosound -vo null -identify -frames 0 "$video" \
+| sort \
+| sed -rn 's:ID_LENGTH=(.*)(\..*)$:\1:p;
            s:ID_VIDEO_HEIGHT=(.*):\1:p;
-           s:ID_LENGTH=(.*)(\..*)$:\1:p;' \
+           s:ID_VIDEO_WIDTH=(.*):\1:p;' \
 | tr '\n' ' ' \
-| read width height length
+| read length height width
 
 cat <<EOF >"$meta"
 ${length:-0}	${width:-0}	${height:-0}	${video##*/}
diff --git a/helpers/genthumb.sh b/helpers/genthumb.sh
index 30179b6..b481bd5 100755
--- a/helpers/genthumb.sh
+++ b/helpers/genthumb.sh
@@ -2,32 +2,27 @@
 
 video="$1"
 thumb="$2"
-exec >/dev/null 2>/dev/null
 
-mplayer -really-quiet -identify -frames 0 -nosound -vo null "$video" \
-| sed -rn 's:ID_VIDEO_WIDTH=(.*):\1:p;
-           s:ID_VIDEO_HEIGHT=(.*):\1:p;
-           s:ID_LENGTH=(.*)(\..*)$:\1:p;' \
-| tr '\n' ' ' \
-| read width height length
-
-[ -z "$length" -o -z "$width" -o -z "$height" ] && exit 0
-
-[ "$(($height*1000/$width))" -gt "750" ] && width="$((75*$width/$height))" \
-                                         || width=100
-[ -z $width ] && width=100
-chunk="$(($length / 5))"
-
-tmp="$(mktemp -d)"
-
-for cnt in 1 2 3 4; do
-  mplayer -nosound -vo jpeg:outdir="$tmp" -frames 1 -benchmark -vf framestep=I,scale="$width":-2 -ss "$(($cnt*$chunk))" "$video" &
-  mpid="$!"; for watch in {1..10}; do
-    ps -p "$mpid" && sleep 1
+if [ -e "$video" -a \! -e "$thumb" ]; then
+  mplayer --input=nodefault-bindings:conf=/dev/null -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
+  
+  [ "$(($height*1000/$width))" -gt "750" ] && width="$((75*$width/$height))" \
+                                           || width=100
+  [ -z $width ] && width=100
+  chunk="$((${length:-0} / 5))"
+  
+  tmp="$(mktemp -d)"
+  for cnt in 1 2 3 4; do
+    mplayer --input=nodefault-bindings:conf=/dev/null -nosound -vo jpeg:outdir="$tmp" -frames 1 \
+            --benchmark -vf framestep=I,scale="$width":-2 -ss "$(($cnt*$chunk))" "$video"
+    mv "$tmp/00000001.jpg" "${tmp}/_${cnt}.jpg"
   done
-  ps -p "$mpid" && kill -9 "$mpid"
-  mv "$tmp/00000001.jpg" "${tmp}/${thumb}-${cnt}.jpg"
-done
-montage "${tmp}/${thumb}"-[1234].jpg -tile 2x2+0+0 -geometry 100x75+3+3 -background '#000000' "${thumb}"
-rm -r "${tmp}"
-
+  montage "${tmp}"/_[1234].jpg -tile 2x2+0+0 -geometry 100x75+3+3 -background '#000000' "${thumb}"
+  rm -r "${tmp}"
+fi
diff --git a/pages/common.sh b/pages/common.sh
index 6257aad..cf05491 100755
--- a/pages/common.sh
+++ b/pages/common.sh
@@ -39,6 +39,14 @@ taglist=$(
   done |sort -u |grep -xv '' |tee ${_DATA}/cache/taglist
 )
 
+genthumb(){
+  videofile="$(printf %s "$1" |sed -r "s;';'\\'';g")"
+      thumb="$(printf %s "$2" |sed -r "s;';'\\'';g")"
+
+  printf '%s\n' "${_EXEC}/helpers/genthumb.sh '$videofile' '$thumb' >/dev/null 2>/dev/null" \
+  | batch
+}
+
 _printVideo(){
   info="$1"
   cache="${_DATA}/cache/$info.cache"
@@ -48,9 +56,9 @@ _printVideo(){
     cat "$cache"
   else
     videofile="${_DATA}/videos/$info"
-    thumb="${_DATA}/thumbs/$info.jpg"
-    [ -r "$meta"  ] || ${_EXEC}/helpers/genmeta.sh "$videofile" "$meta" >/dev/null
-    [ -r "$thumb" ] || ${_EXEC}/helpers/genthumb.sh "$videofile" "$thumb" >/dev/null
+    thumb="${_DATA}/thumbs/${info}.jpg"
+    [ -r "$thumb" ] || genthumb "$videofile" "$thumb"
+    [ -r "$meta"  ] || "${_EXEC}/helpers/genmeta.sh" "$videofile" "$meta" >/dev/null
 
     head -n1 "$meta" |read length width height filename
     [ -z "$length" ] && length=0
@@ -84,9 +92,9 @@ VIDEOend
 
 genlist(){
   case "$order" in
-    Date)   ls -c ${_DATA}/videos/ |egrep -i "$file_pattern";;
-    Length) sed -sn 1p "${_DATA}/meta/"*.meta |sort -n |sed -r 's;^[0-9\t]+\t;;';;
-    Name)   printf '%s\n' "${_DATA}/meta/"*meta |sed -r 's;^.*/;;;s;\.meta$;;';;
+    Date)   ls -c "${_DATA}"/videos/ |egrep -i "$file_pattern";;
+    Length) sed -sn 1p "${_DATA}"/meta/*.meta |sort -n |sed -r 's;^[0-9\t]+\t;;';;
+    Name)   printf '%s\n' "${_DATA}"/videos/* |sed -r 's;^.*/;;;';;
   esac
 }
 
-- 
2.39.2