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-rwxr-xr-xabs/not_built/core/test-pattern/test_pattern.bash326
1 files changed, 326 insertions, 0 deletions
diff --git a/abs/not_built/core/test-pattern/test_pattern.bash b/abs/not_built/core/test-pattern/test_pattern.bash
new file mode 100755
index 0000000..d220fb0
--- /dev/null
+++ b/abs/not_built/core/test-pattern/test_pattern.bash
@@ -0,0 +1,326 @@
+#!/bin/bash
+
+# Set default options to be overriden by command line arguments.
+
+w=400
+h=325
+rate=50
+TEMPDIR=
+unset remove_tempdir
+interlaced=
+aspect_ratio=
+bitrate=
+
+while getopts ":w:h:t:r:ia:b:" opt; do
+ case $opt in
+ w)
+ w=$OPTARG
+ ;;
+ h)
+ h=$OPTARG
+ ;;
+ t)
+ TEMPDIR=$OPTARG
+ ;;
+ r)
+ rate=$OPTARG
+ ;;
+ i)
+ interlaced=TRUE
+ ;;
+ a)
+ aspect_ratio=$OPTARG
+ ;;
+ b)
+ bitrate=$OPTARG
+ ;;
+ \?)
+ echo -n "\
+Error: Invalid option -$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 fieldrate
+ -i
+ Generate an interlaced test pattern
+ -a n:m
+ Aspect ratio of generated video.
+ -b bitrate
+ Bitrate used for encoding.
+
+Example:
+test_pattern.bash -w 1440 -h 1080 -t temp -r 50 -i -a 16:9 -b 12000k
+"
+ exit 1
+ esac
+done
+
+if [ -z "$aspect_ratio" ] ; then
+ aspect_ratio="${w}:${h}"
+fi
+
+aspectx=$(echo $aspect_ratio | cut -d: -f1)
+aspecty=$(echo $aspect_ratio | cut -d: -f2)
+
+# Calculate some dimensions based on the requested size.
+
+barw=$((w/32))
+barstep=$((w/90))
+barstart=$((-barw/barstep-1))
+
+frames=$((w/2))
+
+unity=$((h*2/27))
+unitx=$((unity*aspecty*w/(aspectx*h)))
+gridlw=$((unity*3/43))
+
+echo unity=$unity
+echo unitx=$unitx
+
+nvgrid=$(((h-gridlw)/unity))
+nhgrid=$(((((w-gridlw)/unitx)-1)/2*2+1))
+
+gridstartx=$((w/2-(nhgrid*unitx+gridlw)/2-1))
+gridstarty=$((h/2-(nvgrid*unity+gridlw)/2-1))
+
+echo nvgrid=$nvgrid
+echo nhgrid=$nhgrid
+echo gridstartx=$gridstartx
+echo gridstarty=$gridstarty
+
+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
+
+echo parsed tempdir $TEMPDIR $remove_tempdir
+
+unset checker
+checker=( -fill "rgb(192,192,192)" )
+for ((g=-9;g<=7;g=g+2)) ; do
+ checker=( "${checker[@]}"
+ -draw
+ "rectangle $((w/2+g*unitx*7/10)),$((gridstarty+unity*3+gridlw)) $((w/2+(g+1)*unitx*7/10)),$((gridstarty+unity*4+gridlw))" )
+done
+
+checker=( "${checker[@]}" -fill black )
+for ((g=-8;g<=8;g=g+2)) ; do
+ checker=( "${checker[@]}"
+ -draw
+ "rectangle $((w/2+g*unitx*7/10)),$((gridstarty+unity*3+gridlw)) $((w/2+(g+1)*unitx*7/10)),$((gridstarty+unity*4+gridlw))" )
+done
+
+unset stripe
+stripe=( -fill white )
+
+for ((g=0;g<5;g++)) ; do
+ startx=$((w/2+(3-g*2)*unitx))
+ endx=$((startx+2*unitx))
+
+ for ((x=startx;x<endx;x=x+2*(g+1))) ; do
+ stripe=( "${stripe[@]}"
+ -draw
+ "rectangle $x,$((gridstarty+unity*7+gridlw)) $((x+g)),$((gridstarty+unity*9+gridlw))" )
+ done
+done
+
+for ((g=0;g<13;g++)) ; do
+ stripe=( "${stripe[@]}"
+ -draw
+ "rectangle $((gridstartx+(nhgrid/2-6+g)*unitx)),$((gridstarty+unity*6+gridlw)) $((gridstartx+(nhgrid/2-6+g)*unitx+gridlw)),$((gridstarty+unity*7+gridlw-1))" )
+done
+
+convert -size ${w}x${h} xc:white \
+ -fill "rgb(204,204,0)" \
+ -draw "rectangle $((w/2-6*unitx)),$((gridstarty+unity*4+gridlw)) $((w/2-4*unitx)),$((gridstarty+unity*6+gridlw))" \
+ -draw "rectangle $((w/2-6*unitx)),$((gridstarty+unity*11+gridlw)) $((w/2+6*unitx)),$((gridstarty+unity*13+gridlw))" \
+ -fill "rgb(0,204,204)" \
+ -draw "rectangle $((w/2-4*unitx)),$((gridstarty+unity*4+gridlw)) $((w/2-2*unitx)),$((gridstarty+unity*6+gridlw))" \
+ -fill "rgb(0,204,0)" \
+ -draw "rectangle $((w/2-2*unitx)),$((gridstarty+unity*4+gridlw)) $((w/2-0*unitx)),$((gridstarty+unity*6+gridlw))" \
+ -fill "rgb(204,0,204)" \
+ -draw "rectangle $((w/2-0*unitx)),$((gridstarty+unity*4+gridlw)) $((w/2+2*unitx)),$((gridstarty+unity*6+gridlw))" \
+ -fill "rgb(204,0,0)" \
+ -draw "rectangle $((w/2+2*unitx)),$((gridstarty+unity*4+gridlw)) $((w/2+4*unitx)),$((gridstarty+unity*6+gridlw))" \
+ -draw "rectangle $((w/2-unitx/2)),$((gridstarty+unity*11+gridlw)) $((w/2+unitx/2)),$((gridstarty+unity*13+gridlw))" \
+ -fill "rgb(0,0,204)" \
+ -draw "rectangle $((w/2+4*unitx)),$((gridstarty+unity*4+gridlw)) $((w/2+6*unitx)),$((gridstarty+unity*6+gridlw))" \
+\
+ -fill black \
+ -draw "rectangle $((w/2-6*unitx)),$((gridstarty+unity*6+gridlw)) $((w/2+6*unitx)),$((gridstarty+unity*9+gridlw))" \
+ "${stripe[@]}" \
+ -fill black \
+ -draw "rectangle $((w/2-(unitx-gridlw)/2)),$((gridstarty+unity*5+gridlw)) $((w/2+(unitx-gridlw)/2-1)),$((gridstarty+unity*8+gridlw))" \
+ -fill white \
+ -draw "rectangle $((w/2-6*unitx)),$((h/2-gridlw/2)) $((w/2+6*unitx)),$((h/2-gridlw/2+gridlw))" \
+ -draw "rectangle $((w/2-gridlw/2)),$((gridstarty+unity*5+gridlw)) $((w/2-gridlw/2+gridlw)),$((gridstarty+unity*8+gridlw))" \
+\
+ -fill "rgb(0,0,0)" \
+ -draw "rectangle $((w/2-6*unitx)),$((gridstarty+unity*9+gridlw)) $((w/2-4*unitx)),$((gridstarty+unity*10+gridlw))" \
+ -fill "rgb(51,51,51)" \
+ -draw "rectangle $((w/2-4*unitx)),$((gridstarty+unity*9+gridlw)) $((w/2-2*unitx)),$((gridstarty+unity*10+gridlw))" \
+ -fill "rgb(102,102,102)" \
+ -draw "rectangle $((w/2-2*unitx)),$((gridstarty+unity*9+gridlw)) $((w/2-0*unitx)),$((gridstarty+unity*10+gridlw))" \
+ -fill "rgb(153,153,153)" \
+ -draw "rectangle $((w/2-0*unitx)),$((gridstarty+unity*9+gridlw)) $((w/2+2*unitx)),$((gridstarty+unity*10+gridlw))" \
+ -fill "rgb(204,204,204)" \
+ -draw "rectangle $((w/2+2*unitx)),$((gridstarty+unity*9+gridlw)) $((w/2+4*unitx)),$((gridstarty+unity*10+gridlw))" \
+ -fill "rgb(255,255,255)" \
+ -draw "rectangle $((w/2+4*unitx)),$((gridstarty+unity*9+gridlw)) $((w/2+6*unitx)),$((gridstarty+unity*10+gridlw))" \
+\
+ -fill black \
+ -draw "rectangle $((w/2-2*unitx)),$((gridstarty+unity*1+gridlw)) $((w/2+2*unitx)),$((gridstarty+unity*2+gridlw))" \
+ -draw "rectangle $((w/2-6*unitx)),$((gridstarty+unity*2+gridlw)) $((w/2-3*unitx)),$((gridstarty+unity*3+gridlw))" \
+ -draw "rectangle $((w/2+6*unitx)),$((gridstarty+unity*2+gridlw)) $((w/2+3*unitx)),$((gridstarty+unity*3+gridlw))" \
+ -draw "rectangle $((gridstartx+(nhgrid/2-2)*unitx)),$((gridstarty+unity*2+gridlw)) $((gridstartx+(nhgrid/2-2)*unitx+gridlw)),$((gridstarty+unity*3+gridlw))" \
+ -draw "rectangle $((w/2-3*unitx+1)),$((gridstarty+unity*10+gridlw)) $((w/2+3*unitx)),$((gridstarty+unity*11+gridlw))" \
+ -fill white \
+ -draw "rectangle $((gridstartx+(nhgrid/2-2)*unitx)),$((gridstarty+unity*10+gridlw)) $((gridstartx+(nhgrid/2-2)*unitx+gridlw)),$((gridstarty+unity*11+gridlw))" \
+ "${checker[@]}" \
+ ${TEMPDIR}/centre.png
+
+convert -size ${w}x${h} xc:black \
+ -fill white \
+ -draw "ellipse $((w/2)),$((h/2)) $((6*unitx)),$((6*unity)) 0,360" \
+ ${TEMPDIR}/circle.png
+
+unset drawgrid
+drawgrid=( -fill white )
+for ((g=0;g<=$nhgrid;g++)) ; do
+ drawgrid=( "${drawgrid[@]}"
+ -draw
+ "rectangle $((gridstartx+g*unitx)),0 $((gridstartx+g*unitx+gridlw)),$h" )
+done
+
+for ((g=0;g<=$nvgrid;g++)) ; do
+ drawgrid=( "${drawgrid[@]}"
+ -draw
+ "rectangle 0,$((gridstarty+g*unity)) $w,$((gridstarty+g*unity+gridlw))" )
+done
+
+drawgrid=( "${drawgrid[@]}"
+ -draw "rectangle 0,0 $gridstartx,$h"
+ -draw "rectangle 0,0 $w,$gridstarty"
+ -draw "rectangle $w,$h $((gridstartx+nhgrid*unitx)),0"
+ -draw "rectangle $w,$h 0,$((gridstarty+nvgrid*unity))"
+ -fill black
+)
+
+for ((g=0;g<=$nhgrid;g=g+2)) ; do
+ drawgrid=( "${drawgrid[@]}"
+ -draw
+ "rectangle $((gridstartx+g*unitx+gridlw+1)),0 $((gridstartx+(g+1)*unitx)),$((gridstarty-1))"
+ -draw
+ "rectangle $((gridstartx+g*unitx+gridlw+1)),$((gridstarty+nvgrid*unity+gridlw+1)) $((gridstartx+(g+1)*unitx)),$h"
+ )
+done
+
+for ((g=0;g<=$nvgrid;g=g+2)) ; do
+ drawgrid=( "${drawgrid[@]}"
+ -draw
+ "rectangle 0,$((gridstarty+g*unity+gridlw+1)) $((gridstartx-1)),$((gridstarty+(g+1)*unity-1))"
+ -draw
+ "rectangle $((gridstartx+nhgrid*unitx+gridlw+1)),$((gridstarty+g*unity+gridlw+1)) $w,$((gridstarty+(g+1)*unity-1))"
+ )
+done
+
+diagonals=(
+ -fill white
+ -linewidth 10
+ -fill white
+ -draw "line 0,0 $((w/2)),$((h-1))"
+ -draw "line 0,0 $((w-1)),$((h/2))"
+ -draw "line 0,$((h-1)) $((w/2)),0"
+ -draw "line 0,$((h-1)) $((w-1)),$((h/2))"
+ -draw "line $((w-1)),0 $((w/2)),$((h-1))"
+ -draw "line $((w-1)),0 0,$((h/2))"
+ -draw "line $((w-1)),$((h-1)) $((w/2)),0"
+ -draw "line $((w-1)),$((h-1)) 0,$((h/2))" )
+
+convert -size ${w}x${h} xc:grey50 \
+ "${diagonals[@]}" \
+ "${drawgrid[@]}" \
+ -fill "rgb(51,153,102)" \
+ -draw "rectangle $((gridstartx+(nhgrid/2-7)*unitx+gridlw+1)),$((gridstarty+unity+gridlw+1)) $((gridstartx+(nhgrid/2-6)*unitx-1)),$((h/2))" \
+ -fill "rgb(204,102,102)" \
+ -draw "rectangle $((gridstartx+(nhgrid/2-7)*unitx+gridlw+1)),$((h/2)) $((gridstartx+(nhgrid/2-6)*unitx-1)),$((gridstarty+unity*12-1))" \
+ -fill "rgb(102,102,255)" \
+ -draw "rectangle $((gridstartx+(nhgrid/2-6)*unitx)),$((gridstarty+unity+gridlw+1)) $((gridstartx+(nhgrid/2-5)*unitx-1)),$((gridstarty+unity*3-1))" \
+ -fill "rgb(153,102,0)" \
+ -draw "rectangle $((gridstartx+(nhgrid/2-6)*unitx)),$((gridstarty+10*unity+gridlw+1)) $((gridstartx+(nhgrid/2-5)*unitx-1)),$((gridstarty+unity*12-1))" \
+ -fill "rgb(128,128,0)" \
+ -draw "rectangle $((gridstartx+(nhgrid/2+7)*unitx+gridlw+1)),$((gridstarty+unity+gridlw+1)) $((gridstartx+(nhgrid/2+8)*unitx-1)),$((h/2))" \
+ -fill "rgb(102,102,255)" \
+ -draw "rectangle $((gridstartx+(nhgrid/2+7)*unitx+gridlw+1)),$((h/2)) $((gridstartx+(nhgrid/2+8)*unitx-1)),$((gridstarty+unity*12-1))" \
+ -fill "rgb(102,102,255)" \
+ -draw "rectangle $((gridstartx+(nhgrid/2+6)*unitx+gridlw+1)),$((gridstarty+unity+gridlw+1)) $((gridstartx+(nhgrid/2+7)*unitx+gridlw)),$((gridstarty+unity*3-1))" \
+ -fill "rgb(153,102,0)" \
+ -draw "rectangle $((gridstartx+(nhgrid/2+6)*unitx+gridlw+1)),$((gridstarty+10*unity+gridlw+1)) $((gridstartx+(nhgrid/2+7)*unitx+gridlw)),$((gridstarty+unity*12-1))" \
+ ${TEMPDIR}/grid.png
+
+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 < $frames; i++)) ; do
+
+ prev_image_name=$image_name
+ image_name=${TEMPDIR}/test$(printf "%03d" $i).png
+ echo creating image $image_name
+
+ convert -size ${w}x${h} ${TEMPDIR}/background.png \
+ -fill black \
+ -draw "rectangle $(((barstart+i)*barstep)),0 $(((barstart+i)*barstep+barw)),${h}" \
+ -font Arial-Black-Regular \
+ -pointsize $unity \
+ -fill white \
+ -stroke black -strokewidth 5 -annotate +$((w-2*i))+$((gridstartx+11*unity)) 'Judder Test' \
+ -stroke none -annotate +$((w-2*i))+$((gridstartx+11*unity)) '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" $((i/2))).png
+ fi
+ fi
+done
+
+bitrate_flags=
+if [ -n "$bitrate" ] ; then
+ bitrate_flags="-b $bitrate"
+fi
+
+if [ -n "$interlaced" ] ; then
+ ffmpeg -r ${rate} -i ${TEMPDIR}/interlaced%03d.png -r ${rate} \
+ -vcodec mpeg2video -flags +ilme+ildct -aspect $aspect_ratio \
+ ${bitrate_flags} -y test.mpg
+else
+ ffmpeg -r ${rate} -i ${TEMPDIR}/test%03d.png -r ${rate} \
+ -vcodec mpeg2video -aspect $aspect_ratio \
+ ${bitrate_flags} -y test.mpg
+fi
+
+if [ -n "$remove_tempdir" ] ; then
+ rm -Rf $TEMPDIR
+fi
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