 for VIVID</title>
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<td class='lines'><pre><code><span class="hl slc">#!/bin/bash</span>
<span class="hl slc"># SPDX-License-Identifier: GPL-2.0-or-later</span>
<span class="hl slc"># Copyright (C) 2018, Google Inc.</span>
<span class="hl slc">#</span>
<span class="hl slc"># Author: Laurent Pinchart &lt;laurent.pinchart&#64;ideasonboard.com&gt;</span>
<span class="hl slc">#</span>
<span class="hl slc"># ipu3-process.sh - Process raw frames with the Intel IPU3</span>
<span class="hl slc">#</span>
<span class="hl slc"># The scripts makes use of the following tools, which are expected to be</span>
<span class="hl slc"># found in $PATH:</span>
<span class="hl slc">#</span>
<span class="hl slc"># - media-ctl (from v4l-utils git://linuxtv.org/v4l-utils.git)</span>
<span class="hl slc"># - raw2pnm (from nvt https://github.com/intel/nvt.git)</span>
<span class="hl slc"># - yavta (from git://git.ideasonboard.org/yavta.git)</span>

imgu_entity<span class="hl opt">=</span><span class="hl str">&quot;ipu3-imgu 0&quot;</span>

<span class="hl slc"># Locate the media device</span>
find_media_device<span class="hl opt">() {</span>
	<span class="hl kwb">local</span> mdev

	<span class="hl kwa">for</span> mdev <span class="hl kwa">in</span> <span class="hl opt">/</span>dev<span class="hl opt">/</span>media<span class="hl opt">* ;</span> <span class="hl kwa">do</span>
		media-ctl <span class="hl kwb">-d</span> <span class="hl kwd">$mdev</span> <span class="hl kwb">-p</span> | <span class="hl kwc">grep</span> <span class="hl kwb">-q</span> <span class="hl str">&quot;^driver[</span> <span class="hl esc">\t</span><span class="hl str">]*ipu3-imgu$&quot;</span> <span class="hl opt">&amp;&amp;</span> <span class="hl kwb">break</span>
		mdev<span class="hl opt">=</span>
	<span class="hl kwa">done</span>

	<span class="hl kwa">if</span> <span class="hl opt">[[</span> <span class="hl kwb">-z</span> <span class="hl kwd">$mdev</span> <span class="hl opt">]] ;</span> <span class="hl kwa">then</span>
		<span class="hl kwb">echo</span> <span class="hl str">&quot;IPU3 media device not found.&quot;</span> <span class="hl opt">&gt;&amp;</span><span class="hl num">2</span>
		<span class="hl kwb">exit</span> <span class="hl num">1</span>
	<span class="hl kwa">fi</span>

	<span class="hl kwb">echo</span> <span class="hl kwd">$mdev</span>
<span class="hl opt">}</span>

<span class="hl slc"># Configure the pipeline</span>
configure_pipeline<span class="hl opt">() {</span>
	<span class="hl kwb">local</span> enable_3a<span class="hl opt">=</span><span class="hl num">1</span>
	<span class="hl kwb">local</span> enable_out<span class="hl opt">=</span><span class="hl num">1</span>
	<span class="hl kwb">local</span> enable_vf<span class="hl opt">=</span><span class="hl num">1</span>
	<span class="hl kwb">local</span> mode<span class="hl opt">=</span><span class="hl num">0</span>

	<span class="hl slc"># Configure the links</span>
	<span class="hl kwd">$mediactl</span> <span class="hl kwb">-r</span>
	<span class="hl kwd">$mediactl</span> <span class="hl kwb">-l</span> <span class="hl str">&quot;</span><span class="hl esc">\&quot;</span><span class="hl str"></span><span class="hl ipl">$imgu_entity</span> <span class="hl str">input</span><span class="hl esc">\&quot;</span><span class="hl str">:0 -&gt;</span> <span class="hl esc">\&quot;</span><span class="hl str"></span><span class="hl ipl">$imgu_entity</span><span class="hl str"></span><span class="hl esc">\&quot;</span><span class="hl str">:0[1]&quot;</span>
	<span class="hl kwd">$mediactl</span> <span class="hl kwb">-l</span> <span class="hl str">&quot;</span><span class="hl esc">\&quot;</span><span class="hl str"></span><span class="hl ipl">$imgu_entity</span><span class="hl str"></span><span class="hl esc">\&quot;</span><span class="hl str">:2 -&gt;</span> <span class="hl esc">\&quot;</span><span class="hl str"></span><span class="hl ipl">$imgu_entity</span> <span class="hl str">output</span><span class="hl esc">\&quot;</span><span class="hl str">:0[</span><span class="hl ipl">$enable_out</span><span class="hl str">]&quot;</span>
	<span class="hl kwd">$mediactl</span> <span class="hl kwb">-l</span> <span class="hl str">&quot;</span><span class="hl esc">\&quot;</span><span class="hl str"></span><span class="hl ipl">$imgu_entity</span><span class="hl str"></span><span class="hl esc">\&quot;</span><span class="hl str">:3 -&gt;</span> <span class="hl esc">\&quot;</span><span class="hl str"></span><span class="hl ipl">$imgu_entity</span> <span class="hl str">viewfinder</span><span class="hl esc">\&quot;</span><span class="hl str">:0[</span><span class="hl ipl">$enable_vf</span><span class="hl str">]&quot;</span>
	<span class="hl kwd">$mediactl</span> <span class="hl kwb">-l</span> <span class="hl str">&quot;</span><span class="hl esc">\&quot;</span><span class="hl str"></span><span class="hl ipl">$imgu_entity</span><span class="hl str"></span><span class="hl esc">\&quot;</span><span class="hl str">:4 -&gt;</span> <span class="hl esc">\&quot;</span><span class="hl str"></span><span class="hl ipl">$imgu_entity</span> <span class="hl str">3a stat</span><span class="hl esc">\&quot;</span><span class="hl str">:0[</span><span class="hl ipl">$enable_3a</span><span class="hl str">]&quot;</span>

	<span class="hl slc"># Select processing mode (0 for video, 1 for still image)</span>
	yavta <span class="hl kwb">--no-query -w</span> <span class="hl str">&quot;0x009819c1</span> <span class="hl ipl">$mode</span><span class="hl str">&quot;</span> $<span class="hl opt">(</span><span class="hl kwd">$mediactl</span> <span class="hl kwb">-e</span> <span class="hl str">&quot;</span><span class="hl ipl">$imgu_entity</span><span class="hl str">&quot;</span><span class="hl opt">)</span>

	<span class="hl slc"># Set formats. The media bus code doesn&apos;t matter as it is ignored by the</span>
	<span class="hl slc"># driver. We should use the FIXED format, but media-ctl doesn&apos;t support</span>
	<span class="hl slc"># it.</span>
	<span class="hl kwd">$mediactl</span> <span class="hl kwb">-V</span> <span class="hl str">&quot;</span><span class="hl esc">\&quot;</span><span class="hl str"></span><span class="hl ipl">$imgu_entity</span><span class="hl str"></span><span class="hl esc">\&quot;</span><span class="hl str">:0 [fmt:SBGGR10_1X10/</span><span class="hl ipl">$out_size</span> <span class="hl str">crop:(0,0)/</span><span class="hl ipl">$in_size</span> <span class="hl str">compose:(0,0)/</span><span class="hl ipl">$in_size</span><span class="hl str">]&quot;</span>
	<span class="hl kwd">$mediactl</span> <span class="hl kwb">-V</span> <span class="hl str">&quot;</span><span class="hl esc">\&quot;</span><span class="hl str"></span><span class="hl ipl">$imgu_entity</span><span class="hl str"></span><span class="hl esc">\&quot;</span><span class="hl str">:2 [fmt:SBGGR10_1X10/</span><span class="hl ipl">$out_size</span><span class="hl str">]&quot;</span>
	<span class="hl kwd">$mediactl</span> <span class="hl kwb">-V</span> <span class="hl str">&quot;</span><span class="hl esc">\&quot;</span><span class="hl str"></span><span class="hl ipl">$imgu_entity</span><span class="hl str"></span><span class="hl esc">\&quot;</span><span class="hl str">:3 [fmt:SBGGR10_1X10/</span><span class="hl ipl">$vf_size</span><span class="hl str">]&quot;</span>
	<span class="hl kwd">$mediactl</span> <span class="hl kwb">-V</span> <span class="hl str">&quot;</span><span class="hl esc">\&quot;</span><span class="hl str"></span><span class="hl ipl">$imgu_entity</span><span class="hl str"></span><span class="hl esc">\&quot;</span><span class="hl str">:4 [fmt:SBGGR10_1X10/</span><span class="hl ipl">$out_size</span><span class="hl str">]&quot;</span>
<span class="hl opt">}</span>

<span class="hl slc"># Perform frame processing through the IMGU</span>
process_frames<span class="hl opt">() {</span>
	configure_pipeline

	<span class="hl kwb">local</span> yavta<span class="hl opt">=</span><span class="hl str">&quot;yavta -n</span> <span class="hl ipl">$nbufs</span> <span class="hl str">-c</span><span class="hl ipl">$frame_count</span><span class="hl str">&quot;</span>

	<span class="hl slc"># Save the main and viewfinder outputs to disk, capture and drop 3A</span>
	<span class="hl slc"># statistics. Sleep 500ms between each execution of yavta to keep the</span>
	<span class="hl slc"># stdout messages readable.</span>
	<span class="hl kwd">$yavta</span> <span class="hl kwb">-f</span> <span class="hl kwd">$IMGU_OUT_PIXELFORMAT</span> <span class="hl kwb">-s</span> <span class="hl kwd">$out_size</span> <span class="hl str">&quot;-F</span><span class="hl ipl">$output_dir</span><span class="hl str">/frame-out-#.bin&quot;</span> \
		$<span class="hl opt">(</span><span class="hl kwd">$mediactl</span> <span class="hl kwb">-e</span> <span class="hl str">&quot;</span><span class="hl ipl">$imgu_entity</span> <span class="hl str">output&quot;</span><span class="hl opt">) &amp;</span>
	<span class="hl kwc">sleep</span> <span class="hl num">0.5</span>
	<span class="hl kwd">$yavta</span> <span class="hl kwb">-f</span> <span class="hl kwd">$IMGU_VF_PIXELFORMAT</span> <span class="hl kwb">-s</span> <span class="hl kwd">$vf_size</span> <span class="hl str">&quot;-F</span><span class="hl ipl">$output_dir</span><span class="hl str">/frame-vf-#.bin&quot;</span> \
		$<span class="hl opt">(</span><span class="hl kwd">$mediactl</span> <span class="hl kwb">-e</span> <span class="hl str">&quot;</span><span class="hl ipl">$imgu_entity</span> <span class="hl str">viewfinder&quot;</span><span class="hl opt">) &amp;</span>
	<span class="hl kwc">sleep</span> <span class="hl num">0.5</span>
	<span class="hl kwd">$yavta</span> $<span class="hl opt">(</span><span class="hl kwd">$mediactl</span> <span class="hl kwb">-e</span> <span class="hl str">&quot;</span><span class="hl ipl">$imgu_entity</span> <span class="hl str">3a stat&quot;</span><span class="hl opt">) &amp;</span>
	<span class="hl kwc">sleep</span> <span class="hl num">0.5</span>

	<span class="hl slc"># Feed the IMGU input.</span>
	<span class="hl kwd">$yavta</span> <span class="hl kwb">-f</span> <span class="hl kwd">$IMGU_IN_PIXELFORMAT</span> <span class="hl kwb">-s</span> <span class="hl kwd">$in_size</span> <span class="hl str">&quot;-F</span><span class="hl ipl">$in_file</span><span class="hl str">&quot;</span> \
		$<span class="hl opt">(</span><span class="hl kwd">$mediactl</span> <span class="hl kwb">-e</span> <span class="hl str">&quot;</span><span class="hl ipl">$imgu_entity</span> <span class="hl str">input&quot;</span><span class="hl opt">)</span>
<span class="hl opt">}</span>

<span class="hl slc"># Convert captured files to ppm</span>
convert_files<span class="hl opt">() {</span>
	<span class="hl kwb">local</span> index<span class="hl opt">=</span><span class="hl kwd">$1</span>
	<span class="hl kwb">local type</span><span class="hl opt">=</span><span class="hl kwd">$2</span>
	<span class="hl kwb">local</span> size<span class="hl opt">=</span><span class="hl kwd">$3</span>
	<span class="hl kwb">local</span> format<span class="hl opt">=</span><span class="hl kwd">$4</span>

	<span class="hl kwb">local</span> width<span class="hl opt">=</span>$<span class="hl opt">(</span><span class="hl kwb">echo</span> <span class="hl kwd">$size</span> | <span class="hl kwc">awk</span> <span class="hl kwb">-F</span> <span class="hl str">&apos;x&apos;</span> <span class="hl str">&apos;{print</span> <span class="hl ipl">$1</span><span class="hl str">}&apos;</span><span class="hl opt">)</span>
	<span class="hl kwb">local</span> height<span class="hl opt">=</span>$<span class="hl opt">(</span><span class="hl kwb">echo</span> <span class="hl kwd">$size</span> | <span class="hl kwc">awk</span> <span class="hl kwb">-F</span> <span class="hl str">&apos;x&apos;</span> <span class="hl str">&apos;{print</span> <span class="hl ipl">$2</span><span class="hl str">}&apos;</span><span class="hl opt">)</span>
	<span class="hl kwb">local</span> padded_width<span class="hl opt">=</span>$<span class="hl opt">(</span><span class="hl kwc">expr</span> $<span class="hl opt">(</span><span class="hl kwc">expr</span> <span class="hl kwd">$width</span> <span class="hl opt">+</span> <span class="hl num">63</span><span class="hl opt">) /</span> <span class="hl num">64</span> \<span class="hl opt">*</span> <span class="hl num">64</span><span class="hl opt">)</span>

	raw2pnm <span class="hl kwb">-x</span><span class="hl kwd">$padded_width</span> <span class="hl kwb">-y</span><span class="hl kwd">$height</span> <span class="hl kwb">-f</span><span class="hl kwd">$format</span> \
		<span class="hl kwd">$output_dir</span><span class="hl opt">/</span>frame-<span class="hl kwd">$type</span><span class="hl opt">-</span><span class="hl kwd">$index</span>.bin \
		<span class="hl kwd">$output_dir</span><span class="hl opt">/</span>frame-<span class="hl kwd">$type</span><span class="hl opt">-</span><span class="hl kwd">$index</span>.ppm
<span class="hl opt">}</span>

run_test<span class="hl opt">() {</span>
	IMGU_IN_PIXELFORMAT<span class="hl opt">=</span>IPU3_SGRBG10
	IMGU_OUT_PIXELFORMAT<span class="hl opt">=</span>NV12
	IMGU_VF_PIXELFORMAT<span class="hl opt">=</span>NV12

	<span class="hl kwb">echo</span> <span class="hl str">&quot;==== Test ====&quot;</span>
	<span class="hl kwb">echo</span> <span class="hl str">&quot;input:</span>  <span class="hl ipl">$in_file</span><span class="hl str">&quot;</span>
	<span class="hl kwb">echo</span> <span class="hl str">&quot;output:</span> <span class="hl ipl">$IMGU_OUT_PIXELFORMAT</span><span class="hl str">/</span><span class="hl ipl">$out_size</span><span class="hl str">&quot;</span>
	<span class="hl kwb">echo</span> <span class="hl str">&quot;vf:</span>     <span class="hl ipl">$IMGU_VF_PIXELFORMAT</span><span class="hl str">/</span><span class="hl ipl">$vf_size</span><span class="hl str">&quot;</span>

	process_frames

	<span class="hl kwa">for</span> i <span class="hl kwa">in</span> <span class="hl str">`seq -f &apos;%06.0f&apos; 0 $((</span><span class="hl ipl">$frame_count</span> <span class="hl str">- 1))`</span><span class="hl opt">;</span> <span class="hl kwa">do</span>
		convert_files <span class="hl kwd">$i</span> out <span class="hl kwd">$out_size $IMGU_OUT_PIXELFORMAT</span>
		convert_files <span class="hl kwd">$i</span> vf <span class="hl kwd">$vf_size $IMGU_VF_PIXELFORMAT</span>
	<span class="hl kwa">done</span>
<span class="hl opt">}</span>

validate_size<span class="hl opt">() {</span>
	<span class="hl kwb">local</span> size<span class="hl opt">=</span><span class="hl kwd">$1</span>
	<span class="hl kwb">local</span> width<span class="hl opt">=</span>$<span class="hl opt">(</span><span class="hl kwb">echo</span> <span class="hl kwd">$size</span> | <span class="hl kwc">awk</span> <span class="hl kwb">-F</span> <span class="hl str">&apos;x&apos;</span> <span class="hl str">&apos;{print</span> <span class="hl ipl">$1</span><span class="hl str">}&apos;</span><span class="hl opt">)</span>
	<span class="hl kwb">local</span> height<span class="hl opt">=</span>$<span class="hl opt">(</span><span class="hl kwb">echo</span> <span class="hl kwd">$size</span> | <span class="hl kwc">awk</span> <span class="hl kwb">-F</span> <span class="hl str">&apos;x&apos;</span> <span class="hl str">&apos;{print</span> <span class="hl ipl">$2</span><span class="hl str">}&apos;</span><span class="hl opt">)</span>

	<span class="hl opt">[[</span> <span class="hl str">&quot;x</span><span class="hl ipl">${size}&quot; == &quot;x${width}x${height}</span><span class="hl str">&quot;</span> <span class="hl opt">]]</span>
<span class="hl opt">}</span>

<span class="hl slc"># Print usage message</span>
usage<span class="hl opt">() {</span>
	<span class="hl kwb">echo</span> <span class="hl str">&quot;Usage: $(basename</span> <span class="hl ipl">$1</span><span class="hl str">) [options] &lt;input-file&gt;&quot;</span>
	<span class="hl kwb">echo</span> <span class="hl str">&quot;Supported options:&quot;</span>
	<span class="hl kwb">echo</span> <span class="hl str">&quot;--out size        output frame size (defaults to input size)&quot;</span>
	<span class="hl kwb">echo</span> <span class="hl str">&quot;--vf size         viewfinder frame size (defaults to input size)&quot;</span>
	<span class="hl kwb">echo</span> <span class="hl str">&quot;&quot;</span>
	<span class="hl kwb">echo</span> <span class="hl str">&quot;Where the input file name and size are&quot;</span>
	<span class="hl kwb">echo</span> <span class="hl str">&quot;&quot;</span>
	<span class="hl kwb">echo</span> <span class="hl str">&quot;input-file = prefix &apos;-&apos; width &apos;x&apos; height &apos;.&apos; extension&quot;</span>
	<span class="hl kwb">echo</span> <span class="hl str">&quot;size = width &apos;x&apos; height&quot;</span>
<span class="hl opt">}</span>

<span class="hl slc"># Parse command line arguments</span>
<span class="hl kwa">while</span> <span class="hl opt">((</span> <span class="hl str">&quot;</span><span class="hl ipl">$#</span><span class="hl str">&quot;</span> <span class="hl opt">)) ;</span> <span class="hl kwa">do</span>
	<span class="hl kwa">case</span> <span class="hl kwd">$1</span> <span class="hl kwa">in</span>
	<span class="hl kwb">--out</span><span class="hl opt">)</span>
		out_size<span class="hl opt">=</span><span class="hl kwd">$2</span>
		<span class="hl kwa">if</span> <span class="hl opt">!</span> validate_size <span class="hl kwd">$out_size</span> <span class="hl opt">;</span> <span class="hl kwa">then</span>
			<span class="hl kwb">echo</span> <span class="hl str">&quot;Invalid size &apos;</span><span class="hl ipl">$out_size</span><span class="hl str">&apos;&quot;</span>
			usage <span class="hl kwd">$0</span>
			<span class="hl kwb">exit</span> <span class="hl num">1</span>
		<span class="hl kwa">fi</span>
		<span class="hl kwb">shift</span> <span class="hl num">2</span>
		<span class="hl opt">;;</span>
	<span class="hl kwb">--vf</span><span class="hl opt">)</span>
		vf_size<span class="hl opt">=</span><span class="hl kwd">$2</span>
		<span class="hl kwa">if</span> <span class="hl opt">!</span> validate_size <span class="hl kwd">$vf_size</span> <span class="hl opt">;</span> <span class="hl kwa">then</span>
			<span class="hl kwb">echo</span> <span class="hl str">&quot;Invalid size &apos;</span><span class="hl ipl">$vf_size</span><span class="hl str">&apos;&quot;</span>
			usage <span class="hl kwd">$0</span>
			<span class="hl kwb">exit</span> <span class="hl num">1</span>
		<span class="hl kwa">fi</span>
		<span class="hl kwb">shift</span> <span class="hl num">2</span>
		<span class="hl opt">;;</span>
	<span class="hl opt">-*)</span>
		<span class="hl kwb">echo</span> <span class="hl str">&quot;Unsupported option</span> <span class="hl ipl">$1</span><span class="hl str">&quot;</span> <span class="hl opt">&gt;&amp;</span><span class="hl num">2</span>
		usage <span class="hl kwd">$0</span>
		<span class="hl kwb">exit</span> <span class="hl num">1</span>
		<span class="hl opt">;;</span>
	<span class="hl opt">*)</span>
		<span class="hl kwb">break</span>
		<span class="hl opt">;;</span>
	<span class="hl kwa">esac</span>
<span class="hl kwa">done</span>

<span class="hl kwa">if</span> <span class="hl opt">[</span> <span class="hl kwd">$#</span> <span class="hl opt">!=</span> <span class="hl num">1</span> <span class="hl opt">] ;</span> <span class="hl kwa">then</span>
	usage <span class="hl kwd">$0</span>
	<span class="hl kwb">exit</span> <span class="hl num">1</span>
<span class="hl kwa">fi</span>

in_file<span class="hl opt">=</span><span class="hl kwd">$1</span>

<span class="hl slc"># Parse the size from the input file name and perform minimal sanity</span>
<span class="hl slc"># checks.</span>
in_size<span class="hl opt">=</span>$<span class="hl opt">(</span><span class="hl kwb">echo</span> <span class="hl kwd">$in_file</span> | <span class="hl kwc">sed</span> <span class="hl str">&apos;s/.*-\([0-9]*\)x\([0-9]*\)\.[a-z0-9]*$/\1x\2/&apos;</span><span class="hl opt">)</span>
validate_size <span class="hl kwd">$in_size</span>
<span class="hl kwa">if</span> <span class="hl opt">[[</span> $? <span class="hl opt">!=</span> <span class="hl num">0</span> <span class="hl opt">]] ;</span> <span class="hl kwa">then</span>
	<span class="hl kwb">echo</span> <span class="hl str">&quot;Invalid input file name</span> <span class="hl ipl">$in_file</span><span class="hl str">&quot;</span> <span class="hl opt">&gt;&amp;</span><span class="hl num">2</span>
	usage <span class="hl kwd">$0</span>
	<span class="hl kwb">exit</span> <span class="hl num">1</span>
<span class="hl kwa">fi</span>

out_size<span class="hl opt">=</span><span class="hl kwd">${out_size:-$in_size}</span>
vf_size<span class="hl opt">=</span><span class="hl kwd">${vf_size:-$in_size}</span>

mdev<span class="hl opt">=</span>$<span class="hl opt">(</span>find_media_device<span class="hl opt">)</span> || <span class="hl kwb">exit</span>
mediactl<span class="hl opt">=</span><span class="hl str">&quot;media-ctl -d</span> <span class="hl ipl">$mdev</span><span class="hl str">&quot;</span>
<span class="hl kwb">echo</span> <span class="hl str">&quot;Using device</span> <span class="hl ipl">$mdev</span><span class="hl str">&quot;</span>

output_dir<span class="hl opt">=</span><span class="hl str">&quot;/tmp&quot;</span>
frame_count<span class="hl opt">=</span><span class="hl num">5</span>
nbufs<span class="hl opt">=</span><span class="hl num">7</span>
run_test
</code></pre></td></tr></table>
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