new file mode 100755
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+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (C) 2022, Google Inc.
+#
+# Author: Umang Jain <umang.jain@ideasonboard.com>
+#
+# ipu3-gen-imgu-input.sh - Generate input file for IMGU streaming
+#
+# The scripts makes use of the following tools, which are expected to be
+# found in $PATH:
+#
+# - raw2pnm (from nvt https://github.com/intel/nvt.git)
+# - pnm2raw (from nvt https://github.com/intel/nvt.git)
+# - ipu-pack (from https://git.libcamera.org/libcamera/libcamera.git/)
+# - convert (from https://github.com/ImageMagick/ImageMagick/tree/main/utilities)
+
+#default frame count
+frame_count=10
+
+validate_size() {
+ local size=$1
+ local width=$(echo $size | awk -F 'x' '{print $1}')
+ local height=$(echo $size | awk -F 'x' '{print $2}')
+
+ [[ "x${size}" == "x${width}x${height}" ]]
+}
+
+# Print usage message
+usage() {
+ echo "Usage: $(basename $1) --count <count> --size <size>"
+ echo "Supported options:"
+ echo "--count count Generate input file containing <count> frames, default=10"
+ echo "--size size Frame size ('width' x 'height')"
+ echo ""
+}
+
+# Parse command line arguments
+while (( "$#" )) ; do
+ case $1 in
+ --count)
+ frame_count=$2
+ shift 2
+ ;;
+ --size)
+ in_size=$2
+ if ! validate_size $in_size ; then
+ echo "Invalid size '$in_size'"
+ usage $0
+ exit 1
+ fi
+ shift 2
+ ;;
+ -*)
+ echo "Unsupported option $1" >&2
+ usage $0
+ exit 1
+ ;;
+ *)
+ break
+ ;;
+ esac
+done
+
+if [[ -z ${in_size+x} ]] ; then
+ usage $0
+ exit 1
+fi
+
+echo "Generating Input file frame-$in_size.raw"
+for i in `seq 0 $(expr $frame_count - 1)`
+do
+ convert -background "#000000" -size $in_size -fill "#ffffff" -pointsize 120 -gravity center label:"Frame $i" frame-$i.ppm
+ pnm2raw frame-$i.ppm frame-$i.raw
+ ipu3-pack frame-$i.raw - >> frame-$in_size.raw
+
+ rm frame-$i.ppm
+ rm frame-$i.raw
+done
Usage: ipu3-gen-imgu-input.sh --count <count> --size <size> The input file is generated in 10-bit bayer which can be directly streamed to IMGU. Each frame (starting from 0) has a black background with a visible "Frame <count>" label in the center. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> --- utils/ipu3/ipu3-gen-imgu-input.sh | 78 +++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100755 utils/ipu3/ipu3-gen-imgu-input.sh