2 files changed, 88 insertions, 15 deletions
diff --git a/abs/core-testing/test-pattern/PKGBUILD b/abs/core-testing/test-pattern/PKGBUILD
index f79ae6a..db15a0d 100644
--- a/abs/core-testing/test-pattern/PKGBUILD
+++ b/abs/core-testing/test-pattern/PKGBUILD
@@ -1,10 +1,10 @@
 pkgname=test-pattern
 pkgver=1.0
-pkgrel=1
+pkgrel=4
 arch=('i686')
 pkgdesc="script to create test pattern videos"
 depends=(imagemagick)
-
+license=('GPL')
 source=(test_pattern.bash)
 
 build() {
@@ -13,4 +13,4 @@ build() {
   install -m755 -D test_pattern.bash $startdir/pkg/usr/bin/test_pattern.bash
 }
 
-md5sums=('a6b424b0ebc07574fa5716eced807127')
+md5sums=('fbe06cf5a38090e2242f4c3e42f3fc7a')
diff --git a/abs/core-testing/test-pattern/test_pattern.bash b/abs/core-testing/test-pattern/test_pattern.bash
index 9cf3228..6e7fff9 100755
--- a/abs/core-testing/test-pattern/test_pattern.bash
+++ b/abs/core-testing/test-pattern/test_pattern.bash
@@ -1,13 +1,52 @@
 #!/bin/bash
 
-w=1280
-h=1024
+# Set default options to be overriden by command line arguments.
 
-w=1920
-h=1080
+w=400
+h=325
+rate=50
+TEMPDIR=
+unset remove_tempdir
+interlaced=
 
-w=640
-h=480
+while getopts ":w:h:t:r:i" opt; do
+  case $opt in
+    w)
+      w=$OPTARG
+      ;;
+    h)
+      h=$OPTARG
+      ;;
+    t)
+      TEMPDIR=$OPTARG
+      ;;
+    r)
+      rate=$OPTARG
+      ;;
+    i)
+      interlaced=TRUE
+      ;;
+    \?)
+      echo -n"\
+Error: Invalid option -$OPTARG
+
+Usage:
+  test_pattern.bash [options]
+    -w width
+	The width in pixels.
+    -h height
+        The height in pixels.
+    -t tempdir
+	Temporary directory for intermediate files. If no directory is specified, one is created and deleted at the end of processing.
+    -r framerate
+    -i
+	Generate an interlaced test pattern
+"
+      exit 1
+  esac
+done
+
+# Calculate some dimensions based on the requested size.
 
 barw=$((w/32))
 barstep=$((w/90))
@@ -29,12 +68,18 @@ echo nhgrid=$nhgrid
 echo gridstartx=$gridstartx
 echo gridstarty=$gridstarty
 
-TEMPDIR=./tmp
-if [ ! -d "$TEMPDIR" ] ; then
-  mkdir $TEMPDIR
+echo parsed tempdir $TEMPDIR
+
+if [ -z "$TEMPDIR" ] ; then
+  TEMPDIR=$(mktemp -d --tmpdir=/tmp)
+  remove_tempdir=1
+else
+  if [ ! -d "$TEMPDIR" ] ; then
+    mkdir $TEMPDIR
+  fi
 fi
 
-#TEMPDIR=$(mktemp -d --tmpdir=/tmp)
+echo parsed tempdir $TEMPDIR $remove_tempdir
 
 unset checker
 checker=( -fill "rgb(192,192,192)" ) 
@@ -201,9 +246,16 @@ convert -size ${w}x${h} xc:grey50 \
 
 convert -size ${w}x${h} ${TEMPDIR}/grid.png ${TEMPDIR}/centre.png ${TEMPDIR}/circle.png -composite ${TEMPDIR}/background.png
 
+if [ -n "$interlaced" ] ; then
+  interlaced_frame=0
+  convert -size 1x${h} -tile-offset +0+1 pattern:gray50 \
+    -scale ${w}x${h}\! ${TEMPDIR}/interlace.png
+fi
+
 for ((i=0; i < $frames; i++)) ; do
 
-  image_name=${TEMPDIR}/test$(printf "%03d" $i).jpg
+  prev_image_name=$image_name
+  image_name=${TEMPDIR}/test$(printf "%03d" $i).png
   echo creating image $image_name
 
   convert -size ${w}x${h} ${TEMPDIR}/background.png \
@@ -214,7 +266,28 @@ for ((i=0; i < $frames; i++)) ; do
 	  -fill white \
           -stroke black -strokewidth 5 -annotate +$((w-2*i))+$((gridstartx+11*unit)) 'Judder Test' \
           -stroke none                 -annotate +$((w-2*i))+$((gridstartx+11*unit)) 'Judder Test' \
+	  -depth 8 \
 	  ${image_name}
+
+  if [ -n "$interlaced" ] ; then
+    interlaced_frame=$((interlaced_frame + 1))
+
+    if [ $interlaced_frame = 2 ] ; then
+      echo interlacing $((i-1)) and $i
+      interlaced_frame=0
+      convert -size ${w}x${h} -depth 8 $prev_image_name $image_name ${TEMPDIR}/interlace.png -composite ${TEMPDIR}/interlaced$(printf "%03d" $((i/2))).png
+    fi
+  fi
 done
 
-ffmpeg -i ${TEMPDIR}/test%03d.jpg -y test.mpg
+if [ -n "$interlaced" ] ; then
+  ffmpeg -r ${rate} -i ${TEMPDIR}/interlaced%03d.png -r ${rate} \
+    -vcodec mpeg2video -flags +ilme+ildct -y test.mpg
+else
+  ffmpeg -r ${rate} -i ${TEMPDIR}/test%03d.png -r ${rate} \
+    -vcodec mpeg2video -y test.mpg
+fi
+
+if [ -n "$remove_tempdir" ] ; then
+  rm -Rf $TEMPDIR
+fi