[{"id":28400,"web_url":"https://patchwork.libcamera.org/comment/28400/","msgid":"<170479699438.3044059.10043126099763409118@ping.linuxembedded.co.uk>","date":"2024-01-09T10:43:14","subject":"Re: [libcamera-devel] [PATCH v4 2/2] ipa: rpi: vc4: data: Update\n\ttuning files for HDR","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"content":"Quoting David Plowman via libcamera-devel (2024-01-09 10:25:47)\n> All the Raspberry Pi official camera tuning files are updated for\n> HDR. As stated previously, there is no mechanism in the hardware for\n> combining images so all this does is enable multi-channel AGC to\n> produce short and long exposure frames. It will be up to the\n> application to deal with them.\n> \n> The changes are identical in every tuning file.\n> \n> 1. The existing AGC tuning is duplicated twice so that we have 3 AGC\n> channels.\n> \n> 2. The first is left alone (the default AGC channel), the second is\n> tweaked to under-expose significantly (ev -3) and the final one is\n> tweaked to over-exposure slightly (ev +0.5)\n> \n> 3. Control parameters are provided to the \"rpi.hdr\" algorithm to\n> associate these AGC channels correctly with the HDR modes.\n> \n> Signed-off-by: David Plowman \n> ---\n> src/ipa/rpi/vc4/data/imx219.json | 384 +++++++++++++++-----\n> src/ipa/rpi/vc4/data/imx219_noir.json | 384 +++++++++++++++-----\n> src/ipa/rpi/vc4/data/imx477.json | 376 +++++++++++++++-----\n> src/ipa/rpi/vc4/data/imx477_noir.json | 384 +++++++++++++++-----\n> src/ipa/rpi/vc4/data/imx708.json | 346 +++++++++++++-----\n> src/ipa/rpi/vc4/data/imx708_noir.json | 346 +++++++++++++-----\n> src/ipa/rpi/vc4/data/imx708_wide.json | 346 +++++++++++++-----\n> src/ipa/rpi/vc4/data/imx708_wide_noir.json | 346 +++++++++++++-----\n> src/ipa/rpi/vc4/data/ov5647.json | 388 ++++++++++++++++-----\n> 9 files changed, 2524 insertions(+), 776 deletions(-)\n> \n> diff --git a/src/ipa/rpi/vc4/data/imx219.json b/src/ipa/rpi/vc4/data/imx219.json\n> index e8fce164..54defc0b 100644\n> --- a/src/ipa/rpi/vc4/data/imx219.json\n> +++ b/src/ipa/rpi/vc4/data/imx219.json\n> @@ -131,95 +131,282 @@\n> {\n> \"rpi.agc\":\n> {\n> - \"metering_modes\":\n> - {\n> - \"centre-weighted\":\n> - {\n> - \"weights\": [ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 ]\n> - },\n> - \"spot\":\n> - {\n> - \"weights\": [ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]\n> - },\n> - \"matrix\":\n> - {\n> - \"weights\": [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]\n> - }\n> - },\n> - \"exposure_modes\":\n> - {\n> - \"normal\":\n> - {\n> - \"shutter\": [ 100, 10000, 30000, 60000, 66666 ],\n> - \"gain\": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]\n> - },\n> - \"short\":\n> - {\n> - \"shutter\": [ 100, 5000, 10000, 20000, 33333 ],\n> - \"gain\": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]\n> - },\n> - \"long\":\n> - {\n> - \"shutter\": [ 100, 10000, 30000, 60000, 120000 ],\n> - \"gain\": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]\n> - }\n> - },\n> - \"constraint_modes\":\n> - {\n> - \"normal\": [\n> - {\n> - \"bound\": \"LOWER\",\n> - \"q_lo\": 0.98,\n> - \"q_hi\": 1.0,\n> - \"y_target\":\n> - [\n> - 0, 0.5,\n> - 1000, 0.5\n> - ]\n> - }\n> - ],\n> - \"highlight\": [\n> - {\n> - \"bound\": \"LOWER\",\n> - \"q_lo\": 0.98,\n> - \"q_hi\": 1.0,\n> - \"y_target\":\n> - [\n> - 0, 0.5,\n> - 1000, 0.5\n> - ]\n> - },\n> - {\n> - \"bound\": \"UPPER\",\n> - \"q_lo\": 0.98,\n> - \"q_hi\": 1.0,\n> - \"y_target\":\n> - [\n> - 0, 0.8,\n> - 1000, 0.8\n> - ]\n> - }\n> - ],\n> - \"shadows\": [\n> - {\n> - \"bound\": \"LOWER\",\n> - \"q_lo\": 0.0,\n> - \"q_hi\": 0.5,\n> - \"y_target\":\n> - [\n> - 0, 0.17,\n> - 1000, 0.17\n> - ]\n> - }\n> - ]\n> - },\n> - \"y_target\":\n> - [\n> - 0, 0.16,\n> - 1000, 0.165,\n> - 10000, 0.17\n> - ]\n> - }\n> + \"channels\":\n> + [\n> + {\n> + \"metering_modes\":\n\nIt looks like this 'breaks' ABI of the tuning files.\nShould there be a corresponding bump of the tuning file version number\nwith a check? (2.1?) or does the rpi.agc implementation fall back to the\n'unchanneled' layout if there are no channels?\n\nAs long as it falls back then:\n\nAcked-by: Kieran Bingham \n\n--\nKieran","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 29560BDB1D\n\tfor ;\n\tTue, 9 Jan 2024 10:43:20 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 2A24162B32;\n\tTue, 9 Jan 2024 11:43:19 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 92DCC61D72\n\tfor ;\n\tTue, 9 Jan 2024 11:43:17 +0100 (CET)","from pendragon.ideasonboard.com\n\t(aztw-30-b2-v4wan-166917-cust845.vm26.cable.virginm.net\n\t[82.37.23.78])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 9C667C58;\n\tTue, 9 Jan 2024 11:42:13 +0100 (CET)"],"DKIM-Signature":["v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1704796999;\n\tbh=n4fhNbn6FG+jY32UN12/8j8omus8NVHBgR+lxwmKgis=;\n\th=In-Reply-To:References:To:Date:Subject:List-Id:List-Unsubscribe:\n\tList-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:\n\tFrom;\n\tb=0PMK8W0oCThkF2KkJ24EHxOqV8M/jPiWSipSol9etd3IZSk5KlXhZgWUeNQJXiUx6\n\tMqmQn4MRrdL8pirIWr5hgu6Ddf8X8DyepyKMNyuoS5r4Z0pOtlItdc+73IWeg8gfPF\n\tqoyCmNW7oooF59eD5RjOwoO8fKjFiuqeYEIZgFH94WZyTRqsYGp1JKdqTJxCrRkcwv\n\t3w8fuKz/tezJH5wLnVbEgJkUjKErNQcWkLROqJRW0U+Lo4cdwDSL1Ysoz7Bnhw77nb\n\tSDh0l7a8fSRNgYC3M6F92fSS/4t1UaJMxpPmtcMDfq42C+swM1tj21XeoZnV9sLMd3\n\tO+TTfRYT6gW3g==","v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1704796933;\n\tbh=n4fhNbn6FG+jY32UN12/8j8omus8NVHBgR+lxwmKgis=;\n\th=In-Reply-To:References:Subject:From:To:Date:From;\n\tb=G8FOGg8bpo8k1atUkbssaxP7lQKEfPhP+uiekWGS8dqakXLq3ZOfGo5jzWwM4Jlgy\n\tJrQTGqlE0oMDHgeLX5Png0UdOH9EoLz8fH0PECKr0Rs2SDhBSthRK6ebEMJBx6MRen\n\tw2AIfs1UkH1dR7HHBiVAXKbC7hsr8OdxhpoFmDic="],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"G8FOGg8b\"; dkim-atps=neutral","Content-Type":"text/plain; charset=\"utf-8\"","MIME-Version":"1.0","Content-Transfer-Encoding":"quoted-printable","In-Reply-To":"<20240109102547.2762-3-david.plowman@raspberrypi.com>","References":"<20240109102547.2762-1-david.plowman@raspberrypi.com>\n\t<20240109102547.2762-3-david.plowman@raspberrypi.com>","To":"David Plowman ,\n\tlibcamera-devel@lists.libcamera.org","Date":"Tue, 09 Jan 2024 10:43:14 +0000","Message-ID":"<170479699438.3044059.10043126099763409118@ping.linuxembedded.co.uk>","User-Agent":"alot/0.10","Subject":"Re: [libcamera-devel] [PATCH v4 2/2] ipa: rpi: vc4: data: Update\n\ttuning files for HDR","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","From":"Kieran Bingham via libcamera-devel\n\t","Reply-To":"Kieran Bingham ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":28419,"web_url":"https://patchwork.libcamera.org/comment/28419/","msgid":"","date":"2024-01-09T13:28:21","subject":"Re: [libcamera-devel] [PATCH v4 2/2] ipa: rpi: vc4: data: Update\n\ttuning files for HDR","submitter":{"id":42,"url":"https://patchwork.libcamera.org/api/people/42/","name":"David Plowman","email":"david.plowman@raspberrypi.com"},"content":"Hi Kieran\n\nOn Tue, 9 Jan 2024 at 10:43, Kieran Bingham\n wrote:\n>\n> Quoting David Plowman via libcamera-devel (2024-01-09 10:25:47)\n> > All the Raspberry Pi official camera tuning files are updated for\n> > HDR. As stated previously, there is no mechanism in the hardware for\n> > combining images so all this does is enable multi-channel AGC to\n> > produce short and long exposure frames. It will be up to the\n> > application to deal with them.\n> >\n> > The changes are identical in every tuning file.\n> >\n> > 1. The existing AGC tuning is duplicated twice so that we have 3 AGC\n> > channels.\n> >\n> > 2. The first is left alone (the default AGC channel), the second is\n> > tweaked to under-expose significantly (ev -3) and the final one is\n> > tweaked to over-exposure slightly (ev +0.5)\n> >\n> > 3. Control parameters are provided to the \"rpi.hdr\" algorithm to\n> > associate these AGC channels correctly with the HDR modes.\n> >\n> > Signed-off-by: David Plowman \n> > ---\n> > src/ipa/rpi/vc4/data/imx219.json | 384 +++++++++++++++-----\n> > src/ipa/rpi/vc4/data/imx219_noir.json | 384 +++++++++++++++-----\n> > src/ipa/rpi/vc4/data/imx477.json | 376 +++++++++++++++-----\n> > src/ipa/rpi/vc4/data/imx477_noir.json | 384 +++++++++++++++-----\n> > src/ipa/rpi/vc4/data/imx708.json | 346 +++++++++++++-----\n> > src/ipa/rpi/vc4/data/imx708_noir.json | 346 +++++++++++++-----\n> > src/ipa/rpi/vc4/data/imx708_wide.json | 346 +++++++++++++-----\n> > src/ipa/rpi/vc4/data/imx708_wide_noir.json | 346 +++++++++++++-----\n> > src/ipa/rpi/vc4/data/ov5647.json | 388 ++++++++++++++++-----\n> > 9 files changed, 2524 insertions(+), 776 deletions(-)\n> >\n> > diff --git a/src/ipa/rpi/vc4/data/imx219.json b/src/ipa/rpi/vc4/data/imx219.json\n> > index e8fce164..54defc0b 100644\n> > --- a/src/ipa/rpi/vc4/data/imx219.json\n> > +++ b/src/ipa/rpi/vc4/data/imx219.json\n> > @@ -131,95 +131,282 @@\n> > {\n> > \"rpi.agc\":\n> > {\n> > - \"metering_modes\":\n> > - {\n> > - \"centre-weighted\":\n> > - {\n> > - \"weights\": [ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 ]\n> > - },\n> > - \"spot\":\n> > - {\n> > - \"weights\": [ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]\n> > - },\n> > - \"matrix\":\n> > - {\n> > - \"weights\": [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]\n> > - }\n> > - },\n> > - \"exposure_modes\":\n> > - {\n> > - \"normal\":\n> > - {\n> > - \"shutter\": [ 100, 10000, 30000, 60000, 66666 ],\n> > - \"gain\": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]\n> > - },\n> > - \"short\":\n> > - {\n> > - \"shutter\": [ 100, 5000, 10000, 20000, 33333 ],\n> > - \"gain\": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]\n> > - },\n> > - \"long\":\n> > - {\n> > - \"shutter\": [ 100, 10000, 30000, 60000, 120000 ],\n> > - \"gain\": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]\n> > - }\n> > - },\n> > - \"constraint_modes\":\n> > - {\n> > - \"normal\": [\n> > - {\n> > - \"bound\": \"LOWER\",\n> > - \"q_lo\": 0.98,\n> > - \"q_hi\": 1.0,\n> > - \"y_target\":\n> > - [\n> > - 0, 0.5,\n> > - 1000, 0.5\n> > - ]\n> > - }\n> > - ],\n> > - \"highlight\": [\n> > - {\n> > - \"bound\": \"LOWER\",\n> > - \"q_lo\": 0.98,\n> > - \"q_hi\": 1.0,\n> > - \"y_target\":\n> > - [\n> > - 0, 0.5,\n> > - 1000, 0.5\n> > - ]\n> > - },\n> > - {\n> > - \"bound\": \"UPPER\",\n> > - \"q_lo\": 0.98,\n> > - \"q_hi\": 1.0,\n> > - \"y_target\":\n> > - [\n> > - 0, 0.8,\n> > - 1000, 0.8\n> > - ]\n> > - }\n> > - ],\n> > - \"shadows\": [\n> > - {\n> > - \"bound\": \"LOWER\",\n> > - \"q_lo\": 0.0,\n> > - \"q_hi\": 0.5,\n> > - \"y_target\":\n> > - [\n> > - 0, 0.17,\n> > - 1000, 0.17\n> > - ]\n> > - }\n> > - ]\n> > - },\n> > - \"y_target\":\n> > - [\n> > - 0, 0.16,\n> > - 1000, 0.165,\n> > - 10000, 0.17\n> > - ]\n> > - }\n> > + \"channels\":\n> > + [\n> > + {\n> > + \"metering_modes\":\n>\n> It looks like this 'breaks' ABI of the tuning files.\n> Should there be a corresponding bump of the tuning file version number\n> with a check? (2.1?) or does the rpi.agc implementation fall back to the\n> 'unchanneled' layout if there are no channels?\n>\n> As long as it falls back then:\n\nYes, good to check this. But I think we're OK because Agc::read\n(src/ipa/rpi/controller/rpi/agc.cpp line 34) still reads the\n\"channel-less\" version as just being a single channel.\n\nDavid\n\n>\n> Acked-by: Kieran Bingham \n>\n> --\n> Kieran","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 31FC1BEFBE\n\tfor ;\n\tTue, 9 Jan 2024 13:28:37 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 5F8E162B32;\n\tTue, 9 Jan 2024 14:28:36 +0100 (CET)","from mail-oi1-x22d.google.com (mail-oi1-x22d.google.com\n\t[IPv6:2607:f8b0:4864:20::22d])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id EE3EF61D7B\n\tfor ;\n\tTue, 9 Jan 2024 14:28:33 +0100 (CET)","by mail-oi1-x22d.google.com with SMTP id\n\t5614622812f47-3bbd1fab171so2245353b6e.1\n\tfor ;\n\tTue, 09 Jan 2024 05:28:33 -0800 (PST)"],"DKIM-Signature":["v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1704806916;\n\tbh=TYovXzrTfC1OKKlTPP6WMEjKNDBHom+61JEGtH6FaUM=;\n\th=References:In-Reply-To:Date:To:Subject:List-Id:List-Unsubscribe:\n\tList-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc:\n\tFrom;\n\tb=JmHY55tqebeSNGUcEl56WIIzqMaBxFPicH1lLy3I1MPnyphtqt/K2uu+Nwn1NhJdV\n\tTV6xtZ8LVnsMW7IaL3jKHEdVSEaiFOOE6qQ96iU8cmSzyT6OQkHaVMt/myjyCmPDik\n\tlhjHaIl56Ph66rvip3yszl3WeJWsUCFKaKZstE3jTyyJ1v6pln/rEKBCx/q1xgKHib\n\tpF0HSYLkXhBgIiRwmwmQTC09bMD6PXF9lV8G/2NY2cnZ8Zyd+WRy4NtKZwwDzdllSa\n\ttU1IdrmpgATn0myLaa+WZg0FPEyh3CkAk/4ckeYj2fRUbPOiVmasX06PHbU6qqNnU6\n\tWVzz0XCrrN51Q==","v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=raspberrypi.com; s=google; t=1704806912; x=1705411712;\n\tdarn=lists.libcamera.org; \n\th=cc:to:subject:message-id:date:from:in-reply-to:references\n\t:mime-version:from:to:cc:subject:date:message-id:reply-to;\n\tbh=ZwMVYGhbKfFczXF69/YlwKFoAWLMyD1LLFBxMPOurIY=;\n\tb=LypVbMyP9FrjWQv/JX8uQUJMvaAyh0GIbIr2sqQH1m0hZoWNc4cc2EeW7S7PxpGQAv\n\tTzx63gdLbBaSaRzf+b38ndIT8+c4hU7mYbfPpEOhxhbebg5NrnwbpFk4jWqki1Q1QFaE\n\tSnLSk8kHjMUJL940/DZwLCLMJa2llmaq1BHF06ni/UYa3yssBPNtmK0IVsOiCx79wuS7\n\tTDQ20deHplDXlegYSbGetoZTRmJmQtP6/VLpH7zV/dZTAVaJF+QixfmEIZegxeqNRY+l\n\t9En7PLtfAMseuOD5vtqahuPM8ctF/BCMUMmzXw9+JhC6k8TQr+mt6uTT/wgV2FKIU6fr\n\tZa/g=="],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (2048-bit key; \n\tunprotected) header.d=raspberrypi.com\n\theader.i=@raspberrypi.com\n\theader.b=\"LypVbMyP\"; dkim-atps=neutral","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20230601; t=1704806912; x=1705411712;\n\th=cc:to:subject:message-id:date:from:in-reply-to:references\n\t:mime-version:x-gm-message-state:from:to:cc:subject:date:message-id\n\t:reply-to;\n\tbh=ZwMVYGhbKfFczXF69/YlwKFoAWLMyD1LLFBxMPOurIY=;\n\tb=XeJmfcJSWjs7XUIAbegovOEfpWo26AZB8+3DOJy9Dodp3vItIbonB2vv3BlT6PyDMQ\n\trQWL5sv5X9HiPpm0y5xHRETH+SOBSjmSeBvWHCa8ayWdFoiH0YAmvl9zfKoPGQIcawtZ\n\tQbV8l4KuPxmhQZo3knzbMeMn8GpuHHoo/j4sBav4G/oy8OAd3DxQJKz6eEJH/ICxomxG\n\td0xomd4CZxPhIk3sETIIHuEAb/E/cs0N4PMh3tK4bd5Vb6K2C8Gjpfi0ZDmsXc3ylitg\n\twLxl/Ikp9TVSqcIhJWkORqRSRieBUFXzWFwSNmDW6OOxwUTbtFRRG86vqW4gmyYeGcbl\n\tDhdQ==","X-Gm-Message-State":"AOJu0YwMlPJI5dMB+8TRezM50n0dv+YUCv8Z7uWxwdj39cy1CyLmkb0r\n\tssT4dM5NBCGcUKAxLpVL+Y0wa/Pf/PzZN4qaI6pgmI5dKrequXRL/mQeijUa","X-Google-Smtp-Source":"AGHT+IHOAha2YgRavTIMPcG2au1q6Mbka+Y4PxXlGmCpG8RnMD1KwZlvFAg64eCepzarCW5s10pZZG8mgyWLitK1fPE=","X-Received":"by 2002:aca:1919:0:b0:3bc:1573:2914 with SMTP id\n\tl25-20020aca1919000000b003bc15732914mr4136839oii.31.1704806912400;\n\tTue, 09 Jan 2024 05:28:32 -0800 (PST)","MIME-Version":"1.0","References":"<20240109102547.2762-1-david.plowman@raspberrypi.com>\n\t<20240109102547.2762-3-david.plowman@raspberrypi.com>\n\t<170479699438.3044059.10043126099763409118@ping.linuxembedded.co.uk>","In-Reply-To":"<170479699438.3044059.10043126099763409118@ping.linuxembedded.co.uk>","Date":"Tue, 9 Jan 2024 13:28:21 +0000","Message-ID":"","To":"Kieran Bingham ","Content-Type":"text/plain; charset=\"UTF-8\"","Subject":"Re: [libcamera-devel] [PATCH v4 2/2] ipa: rpi: vc4: data: Update\n\ttuning files for HDR","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","From":"David Plowman via libcamera-devel ","Reply-To":"David Plowman ","Cc":"libcamera-devel@lists.libcamera.org","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}}]