Initial commit

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

5 files changed, 676 insertions, 0 deletions

diff --git a/scripts/Makefile b/scripts/Makefile
new file mode 100644
index 0000000..27bac1a
--- /dev/null
+++ b/scripts/Makefile
@@ -0,0 +1,8 @@
+SCRIPTS=logger.sh vsp-lib.sh vsp1.sh
+
+all:
+
+clean:
+
+install:
+	cp $(SCRIPTS) $(INSTALL_DIR)/
diff --git a/scripts/histo2png.py b/scripts/histo2png.py
new file mode 100755
index 0000000..ff1da21
--- /dev/null
+++ b/scripts/histo2png.py
@@ -0,0 +1,81 @@
+#!/usr/bin/python
+
+import matplotlib.pyplot as plt
+import struct
+import sys
+
+
+def usage(argv0):
+	print 'Usage: %s <histo.bin>' % argv0
+
+
+def main(argv):
+
+	if len(argv) != 2:
+		usage(argv[0])
+		return 1
+
+	data = file(argv[1], 'rb').read()
+
+	if len(data) == (2 + 64) * 4 or len(data) == (2 + 256) * 4:
+		maxmin = struct.unpack('<I', data[0:4])
+		sums = struct.unpack('<I', data[4:8])
+		histo = struct.unpack('<%uI' % (len(data[8:]) / 4), data[8:])
+
+		num_bins = len(histo);
+
+		title = 'min %u max %u sum %u' % \
+			((maxmin[0] >>  0) & 0xff, (maxmin[0] >> 16) & 0xff, sums[0])
+
+		print 'pixels (%u)' % sum(histo)
+
+		plt.figure(figsize=(10, 10))
+		plt.xlim([0, num_bins])
+		plt.ylim([0, max(histo)])
+		plt.bar(range(num_bins), histo, color='r');
+
+	elif len(data) == (6 + 64 * 3) * 4:
+		maxmin = struct.unpack('<III', data[0:12])
+		sums = struct.unpack('<III', data[12:24])
+		histo = [struct.unpack('<I', data[24+i*4:24+i*4+4])[0] for i in xrange(len(data[24:])/4)]
+
+		num_bins = len(histo) / 3;
+
+		histo_r = histo[0:num_bins]
+		histo_g = histo[num_bins:2*num_bins]
+		histo_b = histo[num_bins*2:]
+
+		title = 'RGB min (%u,%u,%u) max (%u,%u,%u) sum (%u,%u,%u)' % \
+			((maxmin[0] >>  0) & 0xff, (maxmin[1] >>  0) & 0xff, (maxmin[2] >>  0) & 0xff,
+			 (maxmin[0] >> 16) & 0xff, (maxmin[1] >> 16) & 0xff, (maxmin[2] >> 16) & 0xff,
+			 sums[0], sums[1], sums[2])
+
+		print 'pixels RGB (%u,%u,%u)' % (sum(histo_r), sum(histo_g), sum(histo_b))
+
+		plt.figure(figsize=(10, 20))
+		plt.subplot(3, 1, 1)
+		plt.xlim([0, num_bins])
+		plt.ylim([0, max(histo_r)])
+		plt.bar(range(num_bins), histo_r, color='r');
+		plt.subplot(3, 1, 2)
+		plt.xlim([0, num_bins])
+		plt.ylim([0, max(histo_g)])
+		plt.bar(range(num_bins), histo_g, color='g');
+		plt.subplot(3, 1, 3)
+		plt.xlim([0, num_bins])
+		plt.ylim([0, max(histo_b)])
+		plt.bar(range(num_bins), histo_b, color='b');
+
+	else:
+		print 'Invalid histogram length %u' % len(data)
+		return 1
+
+	plt.suptitle(title)
+	plt.savefig(argv[1].replace('bin', 'png'), dpi=72)
+
+        return 0
+
+
+if __name__ == '__main__':
+        sys.exit(main(sys.argv))
+
diff --git a/scripts/logger.sh b/scripts/logger.sh
new file mode 100755
index 0000000..8123f0c
--- /dev/null
+++ b/scripts/logger.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+now() {
+	awk '/^now/ {time=$3; printf("[%u.%06u]", time / 1000000000, (time % 1000000000) / 1000) ; exit}' /proc/timer_list
+}
+
+label=${1:+ [$1]}
+
+while read line ; do
+	echo "$(now)$label $line"
+done
diff --git a/scripts/vsp-lib.sh b/scripts/vsp-lib.sh
new file mode 100755
index 0000000..4d3d166
--- /dev/null
+++ b/scripts/vsp-lib.sh
@@ -0,0 +1,441 @@
+#!/bin/sh
+
+mediactl='media-ctl'
+yavta='yavta'
+
+# ------------------------------------------------------------------------------
+# Miscellaneous
+#
+
+vsp1_device() {
+	$mediactl -d $mdev -p | grep 'bus info' | sed 's/.*platform://'
+}
+
+vsp1_has_feature() {
+	feature=$1
+
+	$mediactl -d $mdev -p | grep -q -- "- entity.*$feature"
+}
+
+vsp1_count_rpfs() {
+	$mediactl -d $mdev -p | grep -- '- entity.*rpf.[0-9] [^i]' | wc -l
+}
+
+vsp1_count_wpfs() {
+	$mediactl -d $mdev -p | grep -- '- entity.*wpf.[0-9] [^o]' | wc -l
+}
+
+vsp1_count_bru_inputs() {
+	num_pads=`media-ctl -p | grep 'entity.*bru' | sed 's/.*(\([0-9]\) pads.*/\1/'`
+	echo $((num_pads-1))
+}
+
+vsp1_entity_get_size() {
+	entity=$1
+	pad=$2
+
+	$mediactl -d $mdev --get-v4l2 "'$dev $entity':$pad" | grep fmt | \
+	      sed 's/.*\/\([0-9x]*\).*/\1/'
+}
+
+# ------------------------------------------------------------------------------
+# Image and histogram comparison
+#
+
+#
+# Compare the two frames for exact match.
+#
+compare_frame_exact() {
+	img_a=$3
+	img_b=$4
+
+	match='fail'
+	diff -q $img_a $img_b > /dev/null && match='pass'
+
+	echo "Compared $img_a and $img_b: $match" | ./logger.sh check >> $logfile
+
+	if [ $match = 'pass' ] ; then
+		return 0
+	else
+		return 1
+	fi
+}
+
+#
+# Compare the two frames using a fuzzy match algorithm to account for errors
+# introduced by the YUV packing. Accept a maximum 1% mean average error over
+# the whole frame with no more than 5% of the pixels differing.
+#
+compare_frame_fuzzy() {
+	fmt=$(echo $1 | sed 's/M$//')
+	size=$2
+	img_a=$3
+	img_b=$4
+
+	png_a=${img_a/bin/png}
+	png_b=${img_b/bin/png}
+
+	raw2rgbpnm -f $fmt -s $size $img_a $png_a > /dev/null
+	raw2rgbpnm -f $fmt -s $size $img_b $png_b > /dev/null
+
+	ae=$(compare -metric ae $png_a $png_b /dev/null 2>&1)
+	mae=$(compare -metric mae $png_a $png_b /dev/null 2>&1 | sed 's/.*(\(.*\))/\1/')
+
+	rm $png_a
+	rm $png_b
+
+	width=$(echo $size | cut -d 'x' -f 1)
+	height=$(echo $size | cut -d 'x' -f 2)
+
+	ae_match=$(echo $ae $width $height | awk '{ if ($1 / $2 / $3 < 0.05) { print "pass" } else { print "fail" } }')
+	mae_match=$(echo $mae | awk '{ if ($1 < 0.01) { print "pass" } else { print "fail" } }')
+
+	echo "Compared $img_a and $img_b: ae $ae ($ae_match) mae $mae ($mae_match)" | ./logger.sh check >> $logfile
+
+	if [ $ae_match = 'pass' -a $mae_match = 'pass' ] ; then
+		return 0
+	else
+		return 1
+	fi
+}
+
+compare_frames() {
+	method=$1
+	reftype=$2
+	format=$3
+	wpf=$4
+
+	fmt=$(echo $format | tr '[:upper:]' '[:lower:]')
+	size=$(vsp1_entity_get_size wpf.$wpf 1)
+
+	case $format in
+	ARGB555)
+		reference="frame-$reftype-$fmt-$size-alpha255.bin"
+		;;
+	ABGR32 | ARGB32)
+		reference="frame-$reftype-$fmt-$size-alpha200.bin"
+		;;
+	XRGB555)
+		# XRGB555 has the X bit hardcoded to 0
+		reference="frame-$reftype-$fmt-$size-alpha0.bin"
+		;;
+	XBGR32 | XRGB32)
+		# The X bits are configurable with a default value of 255
+		reference="frame-$reftype-$fmt-$size-alpha255.bin"
+		;;
+	*)
+		reference="frame-$reftype-$fmt-$size.bin"
+		;;
+	esac
+
+	result="pass"
+	for frame in frame-*.bin ; do
+		(compare_frame_$method $format $size $frame frames/$reference) || {
+			mv $frame ${0/.sh/}-${frame/.bin/-$reftype-$fmt-$size.bin} ;
+			result="fail"
+		}
+	done
+
+	echo $result
+}
+
+compare_histogram() {
+	histo_a=$1
+	histo_b=$2
+
+	match='fail'
+	diff -q $histo_a $histo_b > /dev/null && match='pass'
+
+	echo "Compared $histo_a and $histo_b: $match" | ./logger.sh check >> $logfile
+
+	if [ $match = 'pass' ] ; then
+		return 0
+	else
+		return 1
+	fi
+}
+
+compare_histograms() {
+	format=$1
+	wpf=$2
+
+	fmt=$(echo $format | tr '[:upper:]' '[:lower:]')
+	size=$(vsp1_entity_get_size wpf.$wpf 1)
+	reference="histo-reference-$fmt-$size.bin"
+
+	result="pass"
+	for histo in histo-*.bin ; do
+		(compare_histogram $histo frames/$reference) || {
+			mv $histo ${0/.sh/}-${histo/.bin/-$fmt.bin} ;
+			result="fail"
+		}
+	done
+
+	echo $result
+}
+
+# ------------------------------------------------------------------------------
+# Pipeline configuration
+#
+
+pipe_none() {
+	# Nothing to be done
+	return
+}
+
+pipe_rpf_bru() {
+	ninputs=$1
+
+	bru_output=$(vsp1_count_bru_inputs)
+
+	for input in `seq 0 1 $((ninputs-1))` ; do
+		$mediactl -d $mdev -l "'$dev rpf.$input':1 -> '$dev bru':$input [1]"
+	done
+	$mediactl -d $mdev -l "'$dev bru':$bru_output -> '$dev wpf.0':0 [1]"
+	$mediactl -d $mdev -l "'$dev wpf.0':1 -> '$dev wpf.0 output':0 [1]"
+}
+
+pipe_rpf_bru_uds() {
+	bru_output=$(vsp1_count_bru_inputs)
+
+	$mediactl -d $mdev -l "'$dev rpf.0':1 -> '$dev bru':0 [1]"
+	$mediactl -d $mdev -l "'$dev bru':$bru_output -> '$dev uds.0':0 [1]"
+	$mediactl -d $mdev -l "'$dev uds.0':1 -> '$dev wpf.0':0 [1]"
+	$mediactl -d $mdev -l "'$dev wpf.0':1 -> '$dev wpf.0 output':0 [1]"
+}
+
+pipe_rpf_hgo() {
+	$mediactl -d $mdev -l "'$dev rpf.0':1 -> '$dev wpf.0':0 [1]"
+	$mediactl -d $mdev -l "'$dev rpf.0':1 -> '$dev hgo':0 [1]"
+	$mediactl -d $mdev -l "'$dev wpf.0':1 -> '$dev wpf.0 output':0 [1]"
+}
+
+pipe_rpf_uds() {
+	$mediactl -d $mdev -l "'$dev rpf.0':1 -> '$dev uds.0':0 [1]"
+	$mediactl -d $mdev -l "'$dev uds.0':1 -> '$dev wpf.0':0 [1]"
+	$mediactl -d $mdev -l "'$dev wpf.0':1 -> '$dev wpf.0 output':0 [1]"
+}
+
+pipe_rpf_uds_bru() {
+	bru_output=$(vsp1_count_bru_inputs)
+
+	$mediactl -d $mdev -l "'$dev rpf.0':1 -> '$dev uds.0':0 [1]"
+	$mediactl -d $mdev -l "'$dev uds.0':1 -> '$dev bru':0 [1]"
+	$mediactl -d $mdev -l "'$dev bru':$bru_output -> '$dev wpf.0':0 [1]"
+	$mediactl -d $mdev -l "'$dev wpf.0':1 -> '$dev wpf.0 output':0 [1]"
+}
+
+pipe_rpf_wpf() {
+	rpf=$1
+	wpf=$2
+
+	$mediactl -d $mdev -l "'$dev rpf.$rpf':1 -> '$dev wpf.$wpf':0 [1]"
+	$mediactl -d $mdev -l "'$dev wpf.$wpf':1 -> '$dev wpf.$wpf output':0 [1]"
+}
+
+pipe_reset() {
+	$mediactl -d $mdev -r
+}
+
+pipe_configure() {
+	pipe=${1//-/_}
+	shift 1
+
+	pipe_reset
+	pipe_$pipe $*
+}
+
+# ------------------------------------------------------------------------------
+# Format Configuration
+#
+
+format_v4l2_to_mbus() {
+	case $1 in
+	RGB332 | ARGB555 | XRGB555 | RGB565 | BGR24 | RGB24 | XBGR32 | XRGB32 | ABGR32 | ARGB32)
+		echo "ARGB32";
+		;;
+
+	NV12M | NV16M | NV21M | NV61M | UYVY | VYUY | YUV420M | YUYV | YVYU)
+		echo "AYUV32"
+		;;
+
+	*)
+		echo "Invalid format $1" >&2
+		echo -e "Valid formats are
+\tRGB332, ARGB555, XRGB555, RGB565, BGR24, RGB24,
+\tXBGR32, XRGB32, ABGR32, ARGB32,
+\tNV12M, NV16M, NV21M, NV61M, UYVY, VYUY, YUV420M, YUYV, YVYU" >&2
+		exit 1
+	esac
+}
+
+format_rpf() {
+	format=$(format_v4l2_to_mbus $1)
+	size=$2
+	rpf=$3
+
+	$mediactl -d $mdev -V "'$dev rpf.$rpf':0 [fmt:$format/$size]"
+}
+
+format_rpf_bru() {
+	format=$(format_v4l2_to_mbus $1)
+	size=$2
+	ninputs=$3
+	offset=0
+
+	bru_output=$(vsp1_count_bru_inputs)
+
+	for input in `seq 0 1 $((ninputs-1))` ; do
+		offset=$((offset+50))
+		$mediactl -d $mdev -V "'$dev rpf.$input':0 [fmt:$format/$size]"
+		$mediactl -d $mdev -V "'$dev bru':$input   [fmt:$format/$size compose:($offset,$offset)/$size]"
+	done
+
+	$mediactl -d $mdev -V "'$dev bru':$bru_output [fmt:$format/$size]"
+	$mediactl -d $mdev -V "'$dev wpf.0':0 [fmt:$format/$size]"
+	$mediactl -d $mdev -V "'$dev wpf.0':1 [fmt:$format/$size]"
+}
+
+format_rpf_bru_uds() {
+	infmt=$(format_v4l2_to_mbus $1)
+	insize=$2
+	outfmt=$(format_v4l2_to_mbus $3)
+	outsize=$4
+
+	bru_output=$(vsp1_count_bru_inputs)
+
+	$mediactl -d $mdev -V "'$dev rpf.0':0 [fmt:$infmt/$insize]"
+	$mediactl -d $mdev -V "'$dev bru':0 [fmt:$infmt/$insize]"
+	$mediactl -d $mdev -V "'$dev bru':$bru_output [fmt:$infmt/$insize]"
+	$mediactl -d $mdev -V "'$dev uds.0':0 [fmt:$infmt/$insize]"
+	$mediactl -d $mdev -V "'$dev uds.0':1 [fmt:$infmt/$outsize]"
+	$mediactl -d $mdev -V "'$dev wpf.0':0 [fmt:$infmt/$outsize]"
+	$mediactl -d $mdev -V "'$dev wpf.0':1 [fmt:$outfmt/$outsize]"
+}
+
+format_rpf_hgo() {
+	format=$(format_v4l2_to_mbus $1)
+	size=$2
+	crop=${3:+crop:$3}
+	compose=${4:+compose:$4}
+
+	$mediactl -d $mdev -V "'$dev rpf.0':0 [fmt:$format/$size]"
+	$mediactl -d $mdev -V "'$dev wpf.0':0 [fmt:$format/$size]"
+	$mediactl -d $mdev -V "'$dev wpf.0':1 [fmt:$format/$size]"
+	$mediactl -d $mdev -V "'$dev hgo':0   [fmt:$format/$size $crop $compose]"
+}
+
+format_rpf_uds() {
+	infmt=$(format_v4l2_to_mbus $1)
+	insize=$2
+	outfmt=$(format_v4l2_to_mbus $3)
+	outsize=$4
+
+	$mediactl -d $mdev -V "'$dev rpf.0':0 [fmt:$infmt/$insize]"
+	$mediactl -d $mdev -V "'$dev uds.0':0 [fmt:$infmt/$insize]"
+	$mediactl -d $mdev -V "'$dev uds.0':1 [fmt:$infmt/$outsize]"
+	$mediactl -d $mdev -V "'$dev wpf.0':0 [fmt:$infmt/$outsize]"
+	$mediactl -d $mdev -V "'$dev wpf.0':1 [fmt:$outfmt/$outsize]"
+}
+
+format_rpf_uds_bru() {
+	infmt=$(format_v4l2_to_mbus $1)
+	insize=$2
+	outfmt=$(format_v4l2_to_mbus $3)
+	outsize=$4
+
+	bru_output=$(vsp1_count_bru_inputs)
+
+	$mediactl -d $mdev -V "'$dev rpf.0':0 [fmt:$infmt/$insize]"
+	$mediactl -d $mdev -V "'$dev uds.0':0 [fmt:$infmt/$insize]"
+	$mediactl -d $mdev -V "'$dev uds.0':1 [fmt:$infmt/$outsize]"
+	$mediactl -d $mdev -V "'$dev bru':0 [fmt:$infmt/$outsize]"
+	$mediactl -d $mdev -V "'$dev bru':$bru_output [fmt:$infmt/$outsize]"
+	$mediactl -d $mdev -V "'$dev wpf.0':0 [fmt:$infmt/$outsize]"
+	$mediactl -d $mdev -V "'$dev wpf.0':1 [fmt:$outfmt/$outsize]"
+}
+
+format_rpf_wpf() {
+	rpf=$1
+	wpf=$2
+	infmt=$(format_v4l2_to_mbus $3)
+	size=$4
+	outfmt=$(format_v4l2_to_mbus $5)
+	crop=$6
+
+	if [ x$crop != 'x' ] ; then
+		crop="crop:$crop"
+		outsize=$(echo $crop | sed 's/.*\///')
+	else
+		outsize=$size
+	fi
+
+	$mediactl -d $mdev -V "'$dev rpf.$rpf':0 [fmt:$infmt/$size]"
+	$mediactl -d $mdev -V "'$dev wpf.$wpf':0 [fmt:$infmt/$size $crop]"
+	$mediactl -d $mdev -V "'$dev wpf.$wpf':1 [fmt:$outfmt/$outsize]"
+}
+
+format_wpf() {
+	format=$(format_v4l2_to_mbus $1)
+	size=$2
+	wpf=$3
+
+	$mediactl -d $mdev -V "'$dev wpf.$wpf':0 [fmt:$format/$size]"
+	$mediactl -d $mdev -V "'$dev wpf.$wpf':1 [fmt:$format/$size]"
+}
+
+format_configure() {
+	pipe=${1//-/_}
+	shift 1
+
+	format_$pipe $*
+}
+
+# ------------------------------------------------------------------------------
+# Test run
+#
+
+test_init() {
+	logfile=${1/sh/log}
+	features=$2
+
+	rm -f $logfile
+	rm -f *.bin
+
+	for mdev in /dev/media* ; do
+		match='true'
+		for feature in $features ; do
+			$(vsp1_has_feature $feature) || {
+				match='false';
+				break;
+			}
+		done
+
+		if [ $match == 'true' ] ; then
+			break
+		fi
+	done
+
+	if [ $match == 'false' ] ; then
+		echo "No device found with feature set $features" | ./logger.sh config >> $logfile
+		exit 1
+	fi
+
+	dev=$(vsp1_device $mdev)
+	echo "Using device $mdev ($dev)" | ./logger.sh config >> $logfile
+
+	vsp_runner=./vsp-runner.sh
+}
+
+test_start() {
+	echo "Testing $1" | ./logger.sh >> $logfile
+	echo -n "Testing $1: " >&2
+}
+
+test_complete() {
+	echo "Done: $1" | ./logger.sh >> $logfile
+	echo $1 >&2
+
+	rm -f frame-*.bin
+	rm -f histo-*.bin
+}
diff --git a/scripts/vsp-runner.sh b/scripts/vsp-runner.sh
new file mode 100755
index 0000000..e92eda1
--- /dev/null
+++ b/scripts/vsp-runner.sh
@@ -0,0 +1,135 @@
+#!/bin/sh
+
+set -e
+
+source vsp-lib.sh
+
+mediactl='media-ctl'
+yavta='yavta'
+
+# ------------------------------------------------------------------------------
+# Format retrieval
+#
+
+frame_reference() {
+	format=$1
+	size=$2
+
+	lcfmt=`echo $infmt | tr '[:upper:]' '[:lower:]'`
+
+	case $format in
+	ARGB555)
+		echo "frames/frame-reference-$lcfmt-$size-alpha255.bin"
+		;;
+	ABGR32 | ARGB32)
+		echo "frames/frame-reference-$lcfmt-$size-alpha200.bin"
+		;;
+	XRGB555 | XBGR32 | XRGB32)
+		echo "frames/frame-reference-$lcfmt-$size-alpha0.bin"
+		;;
+	*)
+		echo "frames/frame-reference-$lcfmt-$size.bin"
+		;;
+	esac
+}
+
+# ------------------------------------------------------------------------------
+# Parse the command line and retrieve the formats
+#
+
+syntax() {
+	echo "Syntax: vsp-runner.sh dev cmd [...]"
+	echo ""
+	echo "Supported commands:"
+	echo "    hgo [options]"
+	echo "    input index infmt [options]"
+	echo "    output index outfmt [options]"
+}
+
+parse() {
+	if [ $# -lt 2 ] ; then
+		syntax
+		return 1
+	fi
+
+	mdev=$1
+	dev=`$mediactl -d $mdev -p | grep 'bus info' | sed 's/.*platform://'`
+
+	if [ -z $dev ] ; then
+		echo "Error: Device $dev doesn't exist"
+		syntax
+		return 1
+	fi
+
+	cmd=$2
+
+	case $cmd in
+	hgo)
+		options=$3
+		;;
+
+	input)
+		index=$3
+		infmt=$4
+		options=$5
+		;;
+
+	output)
+		index=$3
+		outfmt=$4
+		options=$5
+		;;
+
+	*)
+		echo "Invalid command $cmd"
+		;;
+	esac
+}
+
+# ------------------------------------------------------------------------------
+# Execute the command
+#
+
+execute() {
+	case $cmd in
+	hgo)
+		if [ "x$options" = xinfinite ] ; then
+			$yavta -c -n 4 \
+				`$mediactl -d $mdev -e "$dev hgo histo"`
+		else
+			$yavta -c10 -n 10 --file=histo-#.bin $options \
+				`$mediactl -d $mdev -e "$dev hgo histo"`
+		fi
+		;;
+
+	input)
+		rpf=rpf.$index
+		size=$(vsp1_entity_get_size $rpf 0)
+
+		file=$(frame_reference $infmt $size)
+
+		if [ "x$options" = xinfinite ] ; then
+			$yavta -c -n 4 -f $infmt -s $size --file=$file $options \
+				`$mediactl -d $mdev -e "$dev $rpf input"`
+		else
+			$yavta -c10 -n 4 -f $infmt -s $size --file=$file $options \
+				`$mediactl -d $mdev -e "$dev $rpf input"`
+		fi
+		;;
+
+	output)
+		wpf=wpf.$index
+		size=$(vsp1_entity_get_size $wpf 1)
+
+		if [ "x$options" = xinfinite ] ; then
+			$yavta -c -n 4 -f $outfmt -s $size \
+				`$mediactl -d $mdev -e "$dev $wpf output"`
+		else
+			$yavta -c10 -n 4 -f $outfmt -s $size --skip 7 -F $options \
+				`$mediactl -d $mdev -e "$dev $wpf output"`
+		fi
+		;;
+	esac
+}
+
+parse $* && execute