[{"id":31811,"web_url":"https://patchwork.libcamera.org/comment/31811/","msgid":"<172937423962.2485972.14809842923199252116@ping.linuxembedded.co.uk>","date":"2024-10-19T21:43:59","subject":"Re: [PATCH] ipa: rpi: Add tuning files for OV7251","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"content":"Quoting Kieran Bingham (2024-10-10 14:41:48)\n> From: Dave Stevenson \n> \n> OV7251 is a mono VGA global shutter sensor that has a mainline\n> driver and works with libcamera.\n> Add the supporting files for it. The tuning is copied from OV9281.\n> \n> Signed-off-by: Dave Stevenson \n> Signed-off-by: Kieran Bingham \n\nNaush / David, Are you happy for this to be merged ?\n\n--\nKieran\n\n\n> ---\n> src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp | 66 +++++++++\n> src/ipa/rpi/cam_helper/meson.build | 1 +\n> src/ipa/rpi/vc4/data/meson.build | 1 +\n> src/ipa/rpi/vc4/data/ov7251_mono.json | 136 +++++++++++++++++++\n> 4 files changed, 204 insertions(+)\n> create mode 100644 src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp\n> create mode 100644 src/ipa/rpi/vc4/data/ov7251_mono.json\n> \n> diff --git a/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp b/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp\n> new file mode 100644\n> index 000000000000..7b12c44508a4\n> --- /dev/null\n> +++ b/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp\n> @@ -0,0 +1,66 @@\n> +/* SPDX-License-Identifier: BSD-2-Clause */\n> +/*\n> + * Copyright (C) 2021, Raspberry Pi Ltd\n> + *\n> + * camera information for ov7251 sensor\n> + */\n> +\n> +#include \n> +\n> +#include \"cam_helper.h\"\n> +\n> +using namespace RPiController;\n> +\n> +class CamHelperOv7251 : public CamHelper\n> +{\n> +public:\n> + CamHelperOv7251();\n> + uint32_t gainCode(double gain) const override;\n> + double gain(uint32_t gainCode) const override;\n> + void getDelays(int &exposureDelay, int &gainDelay,\n> + int &vblankDelay, int &hblankDelay) const override;\n> +\n> +private:\n> + /*\n> + * Smallest difference between the frame length and integration time,\n> + * in units of lines.\n> + */\n> + static constexpr int frameIntegrationDiff = 4;\n> +};\n> +\n> +/*\n> + * OV7251 doesn't output metadata, so we have to use the \"unicam parser\" which\n> + * works by counting frames.\n> + */\n> +\n> +CamHelperOv7251::CamHelperOv7251()\n> + : CamHelper({}, frameIntegrationDiff)\n> +{\n> +}\n> +\n> +uint32_t CamHelperOv7251::gainCode(double gain) const\n> +{\n> + return static_cast(gain * 16.0);\n> +}\n> +\n> +double CamHelperOv7251::gain(uint32_t gainCode) const\n> +{\n> + return static_cast(gainCode) / 16.0;\n> +}\n> +\n> +void CamHelperOv7251::getDelays(int &exposureDelay, int &gainDelay,\n> + int &vblankDelay, int &hblankDelay) const\n> +{\n> + /* The driver appears to behave as follows: */\n> + exposureDelay = 2;\n> + gainDelay = 2;\n> + vblankDelay = 2;\n> + hblankDelay = 2;\n> +}\n> +\n> +static CamHelper *create()\n> +{\n> + return new CamHelperOv7251();\n> +}\n> +\n> +static RegisterCamHelper reg(\"ov7251\", &create);\n> diff --git a/src/ipa/rpi/cam_helper/meson.build b/src/ipa/rpi/cam_helper/meson.build\n> index 1e43f1da29cd..03e88fe082e2 100644\n> --- a/src/ipa/rpi/cam_helper/meson.build\n> +++ b/src/ipa/rpi/cam_helper/meson.build\n> @@ -11,6 +11,7 @@ rpi_ipa_cam_helper_sources = files([\n> 'cam_helper_imx519.cpp',\n> 'cam_helper_imx708.cpp',\n> 'cam_helper_ov64a40.cpp',\n> + 'cam_helper_ov7251.cpp',\n> 'cam_helper_ov9281.cpp',\n> 'md_parser_smia.cpp',\n> ])\n> diff --git a/src/ipa/rpi/vc4/data/meson.build b/src/ipa/rpi/vc4/data/meson.build\n> index 60477c112196..8c34a1a5faa2 100644\n> --- a/src/ipa/rpi/vc4/data/meson.build\n> +++ b/src/ipa/rpi/vc4/data/meson.build\n> @@ -19,6 +19,7 @@ conf_files = files([\n> 'ov5647.json',\n> 'ov5647_noir.json',\n> 'ov64a40.json',\n> + 'ov7251_mono.json',\n> 'ov9281_mono.json',\n> 'se327m12.json',\n> 'uncalibrated.json',\n> diff --git a/src/ipa/rpi/vc4/data/ov7251_mono.json b/src/ipa/rpi/vc4/data/ov7251_mono.json\n> new file mode 100644\n> index 000000000000..a9d05a01b53f\n> --- /dev/null\n> +++ b/src/ipa/rpi/vc4/data/ov7251_mono.json\n> @@ -0,0 +1,136 @@\n> +{\n> + \"version\": 2.0,\n> + \"target\": \"bcm2835\",\n> + \"algorithms\": [\n> + {\n> + \"rpi.black_level\":\n> + {\n> + \"black_level\": 4096\n> + }\n> + },\n> + {\n> + \"rpi.lux\":\n> + {\n> + \"reference_shutter_speed\": 2000,\n> + \"reference_gain\": 1.0,\n> + \"reference_aperture\": 1.0,\n> + \"reference_lux\": 800,\n> + \"reference_Y\": 20000\n> + }\n> + },\n> + {\n> + \"rpi.noise\":\n> + {\n> + \"reference_constant\": 0,\n> + \"reference_slope\": 2.5\n> + }\n> + },\n> + {\n> + \"rpi.sdn\": { }\n> + },\n> + {\n> + \"rpi.agc\":\n> + {\n> + \"metering_modes\":\n> + {\n> + \"centre-weighted\":\n> + {\n> + \"weights\":\n> + [\n> + 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0\n> + ]\n> + }\n> + },\n> + \"exposure_modes\":\n> + {\n> + \"normal\":\n> + {\n> + \"shutter\": [ 100, 15000, 30000, 60000, 120000 ],\n> + \"gain\": [ 1.0, 2.0, 3.0, 4.0, 8.0 ]\n> + },\n> + \"short\":\n> + {\n> + \"shutter\": [ 100, 5000, 10000, 20000, 30000 ],\n> + \"gain\": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]\n> + },\n> + \"long\":\n> + {\n> + \"shutter\": [ 1000, 30000, 60000, 90000, 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, 0.4,\n> + 1000, 0.4\n> + ]\n> + }\n> + ]\n> + },\n> + \"y_target\":\n> + [\n> + 0, 0.16,\n> + 1000, 0.165,\n> + 10000, 0.17\n> + ]\n> + }\n> + },\n> + {\n> + \"rpi.alsc\":\n> + {\n> + \"n_iter\": 0,\n> + \"luminance_strength\": 1.0,\n> + \"corner_strength\": 1.5\n> + }\n> + },\n> + {\n> + \"rpi.contrast\":\n> + {\n> + \"ce_enable\": 0,\n> + \"gamma_curve\":\n> + [\n> + 0, 0,\n> + 1024, 5040,\n> + 2048, 9338,\n> + 3072, 12356,\n> + 4096, 15312,\n> + 5120, 18051,\n> + 6144, 20790,\n> + 7168, 23193,\n> + 8192, 25744,\n> + 9216, 27942,\n> + 10240, 30035,\n> + 11264, 32005,\n> + 12288, 33975,\n> + 13312, 35815,\n> + 14336, 37600,\n> + 15360, 39168,\n> + 16384, 40642,\n> + 18432, 43379,\n> + 20480, 45749,\n> + 22528, 47753,\n> + 24576, 49621,\n> + 26624, 51253,\n> + 28672, 52698,\n> + 30720, 53796,\n> + 32768, 54876,\n> + 36864, 57012,\n> + 40960, 58656,\n> + 45056, 59954,\n> + 49152, 61183,\n> + 53248, 62355,\n> + 57344, 63419,\n> + 61440, 64476,\n> + 65535, 65535\n> + ]\n> + }\n> + }\n> + ]\n> +}\n> \\ No newline at end of file\n> -- \n> 2.34.1\n>","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 71926BD1F1\n\tfor ;\n\tSat, 19 Oct 2024 21:44:05 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 4D5006538C;\n\tSat, 19 Oct 2024 23:44:04 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id AC61465380\n\tfor ;\n\tSat, 19 Oct 2024 23:44:02 +0200 (CEST)","from pendragon.ideasonboard.com\n\t(cpc89244-aztw30-2-0-cust6594.18-1.cable.virginm.net [86.31.185.195])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id DA9565B3;\n\tSat, 19 Oct 2024 23:42:17 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"nI8a0Fht\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1729374137;\n\tbh=vg7APSO2UQ7aCFKFe1KvBWqtzf4fAX4y5HlnHQ6XsMM=;\n\th=In-Reply-To:References:Subject:From:Cc:To:Date:From;\n\tb=nI8a0FhtMiSlv3Od9hCLXwdTmXFgHL09SLsFghamxREZQucnqDYgK3cS/1OGUOj8M\n\tcswjyoFQfdzewvIZNcRguXdWekPX1o7UQb6cRtgSX28PViOPgO3TNva3IGgBqWKYF0\n\tJ948LtJnjwvvNUmXma4hHCtFHABf39AxAJpnbFTA=","Content-Type":"text/plain; charset=\"utf-8\"","MIME-Version":"1.0","Content-Transfer-Encoding":"quoted-printable","In-Reply-To":"<20241010134148.1788425-1-kieran.bingham@ideasonboard.com>","References":"<20241010134148.1788425-1-kieran.bingham@ideasonboard.com>","Subject":"Re: [PATCH] ipa: rpi: Add tuning files for OV7251","From":"Kieran Bingham ","Cc":"Dave Stevenson ","To":"libcamera devel ","Date":"Sat, 19 Oct 2024 22:43:59 +0100","Message-ID":"<172937423962.2485972.14809842923199252116@ping.linuxembedded.co.uk>","User-Agent":"alot/0.10","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","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":31849,"web_url":"https://patchwork.libcamera.org/comment/31849/","msgid":"","date":"2024-10-21T10:45:11","subject":"Re: [PATCH] ipa: rpi: Add tuning files for OV7251","submitter":{"id":34,"url":"https://patchwork.libcamera.org/api/people/34/","name":"Naushir Patuck","email":"naush@raspberrypi.com"},"content":"On Sat, 19 Oct 2024 at 22:44, Kieran Bingham\n wrote:\n>\n> Quoting Kieran Bingham (2024-10-10 14:41:48)\n> > From: Dave Stevenson \n> >\n> > OV7251 is a mono VGA global shutter sensor that has a mainline\n> > driver and works with libcamera.\n> > Add the supporting files for it. The tuning is copied from OV9281.\n> >\n> > Signed-off-by: Dave Stevenson \n> > Signed-off-by: Kieran Bingham \n>\n> Naush / David, Are you happy for this to be merged ?\n\nYup\n\nReviewed-by: Naushir Patuck \n\n>\n> --\n> Kieran\n>\n>\n> > ---\n> > src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp | 66 +++++++++\n> > src/ipa/rpi/cam_helper/meson.build | 1 +\n> > src/ipa/rpi/vc4/data/meson.build | 1 +\n> > src/ipa/rpi/vc4/data/ov7251_mono.json | 136 +++++++++++++++++++\n> > 4 files changed, 204 insertions(+)\n> > create mode 100644 src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp\n> > create mode 100644 src/ipa/rpi/vc4/data/ov7251_mono.json\n> >\n> > diff --git a/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp b/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp\n> > new file mode 100644\n> > index 000000000000..7b12c44508a4\n> > --- /dev/null\n> > +++ b/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp\n> > @@ -0,0 +1,66 @@\n> > +/* SPDX-License-Identifier: BSD-2-Clause */\n> > +/*\n> > + * Copyright (C) 2021, Raspberry Pi Ltd\n> > + *\n> > + * camera information for ov7251 sensor\n> > + */\n> > +\n> > +#include \n> > +\n> > +#include \"cam_helper.h\"\n> > +\n> > +using namespace RPiController;\n> > +\n> > +class CamHelperOv7251 : public CamHelper\n> > +{\n> > +public:\n> > + CamHelperOv7251();\n> > + uint32_t gainCode(double gain) const override;\n> > + double gain(uint32_t gainCode) const override;\n> > + void getDelays(int &exposureDelay, int &gainDelay,\n> > + int &vblankDelay, int &hblankDelay) const override;\n> > +\n> > +private:\n> > + /*\n> > + * Smallest difference between the frame length and integration time,\n> > + * in units of lines.\n> > + */\n> > + static constexpr int frameIntegrationDiff = 4;\n> > +};\n> > +\n> > +/*\n> > + * OV7251 doesn't output metadata, so we have to use the \"unicam parser\" which\n> > + * works by counting frames.\n> > + */\n> > +\n> > +CamHelperOv7251::CamHelperOv7251()\n> > + : CamHelper({}, frameIntegrationDiff)\n> > +{\n> > +}\n> > +\n> > +uint32_t CamHelperOv7251::gainCode(double gain) const\n> > +{\n> > + return static_cast(gain * 16.0);\n> > +}\n> > +\n> > +double CamHelperOv7251::gain(uint32_t gainCode) const\n> > +{\n> > + return static_cast(gainCode) / 16.0;\n> > +}\n> > +\n> > +void CamHelperOv7251::getDelays(int &exposureDelay, int &gainDelay,\n> > + int &vblankDelay, int &hblankDelay) const\n> > +{\n> > + /* The driver appears to behave as follows: */\n> > + exposureDelay = 2;\n> > + gainDelay = 2;\n> > + vblankDelay = 2;\n> > + hblankDelay = 2;\n> > +}\n> > +\n> > +static CamHelper *create()\n> > +{\n> > + return new CamHelperOv7251();\n> > +}\n> > +\n> > +static RegisterCamHelper reg(\"ov7251\", &create);\n> > diff --git a/src/ipa/rpi/cam_helper/meson.build b/src/ipa/rpi/cam_helper/meson.build\n> > index 1e43f1da29cd..03e88fe082e2 100644\n> > --- a/src/ipa/rpi/cam_helper/meson.build\n> > +++ b/src/ipa/rpi/cam_helper/meson.build\n> > @@ -11,6 +11,7 @@ rpi_ipa_cam_helper_sources = files([\n> > 'cam_helper_imx519.cpp',\n> > 'cam_helper_imx708.cpp',\n> > 'cam_helper_ov64a40.cpp',\n> > + 'cam_helper_ov7251.cpp',\n> > 'cam_helper_ov9281.cpp',\n> > 'md_parser_smia.cpp',\n> > ])\n> > diff --git a/src/ipa/rpi/vc4/data/meson.build b/src/ipa/rpi/vc4/data/meson.build\n> > index 60477c112196..8c34a1a5faa2 100644\n> > --- a/src/ipa/rpi/vc4/data/meson.build\n> > +++ b/src/ipa/rpi/vc4/data/meson.build\n> > @@ -19,6 +19,7 @@ conf_files = files([\n> > 'ov5647.json',\n> > 'ov5647_noir.json',\n> > 'ov64a40.json',\n> > + 'ov7251_mono.json',\n> > 'ov9281_mono.json',\n> > 'se327m12.json',\n> > 'uncalibrated.json',\n> > diff --git a/src/ipa/rpi/vc4/data/ov7251_mono.json b/src/ipa/rpi/vc4/data/ov7251_mono.json\n> > new file mode 100644\n> > index 000000000000..a9d05a01b53f\n> > --- /dev/null\n> > +++ b/src/ipa/rpi/vc4/data/ov7251_mono.json\n> > @@ -0,0 +1,136 @@\n> > +{\n> > + \"version\": 2.0,\n> > + \"target\": \"bcm2835\",\n> > + \"algorithms\": [\n> > + {\n> > + \"rpi.black_level\":\n> > + {\n> > + \"black_level\": 4096\n> > + }\n> > + },\n> > + {\n> > + \"rpi.lux\":\n> > + {\n> > + \"reference_shutter_speed\": 2000,\n> > + \"reference_gain\": 1.0,\n> > + \"reference_aperture\": 1.0,\n> > + \"reference_lux\": 800,\n> > + \"reference_Y\": 20000\n> > + }\n> > + },\n> > + {\n> > + \"rpi.noise\":\n> > + {\n> > + \"reference_constant\": 0,\n> > + \"reference_slope\": 2.5\n> > + }\n> > + },\n> > + {\n> > + \"rpi.sdn\": { }\n> > + },\n> > + {\n> > + \"rpi.agc\":\n> > + {\n> > + \"metering_modes\":\n> > + {\n> > + \"centre-weighted\":\n> > + {\n> > + \"weights\":\n> > + [\n> > + 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0\n> > + ]\n> > + }\n> > + },\n> > + \"exposure_modes\":\n> > + {\n> > + \"normal\":\n> > + {\n> > + \"shutter\": [ 100, 15000, 30000, 60000, 120000 ],\n> > + \"gain\": [ 1.0, 2.0, 3.0, 4.0, 8.0 ]\n> > + },\n> > + \"short\":\n> > + {\n> > + \"shutter\": [ 100, 5000, 10000, 20000, 30000 ],\n> > + \"gain\": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]\n> > + },\n> > + \"long\":\n> > + {\n> > + \"shutter\": [ 1000, 30000, 60000, 90000, 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, 0.4,\n> > + 1000, 0.4\n> > + ]\n> > + }\n> > + ]\n> > + },\n> > + \"y_target\":\n> > + [\n> > + 0, 0.16,\n> > + 1000, 0.165,\n> > + 10000, 0.17\n> > + ]\n> > + }\n> > + },\n> > + {\n> > + \"rpi.alsc\":\n> > + {\n> > + \"n_iter\": 0,\n> > + \"luminance_strength\": 1.0,\n> > + \"corner_strength\": 1.5\n> > + }\n> > + },\n> > + {\n> > + \"rpi.contrast\":\n> > + {\n> > + \"ce_enable\": 0,\n> > + \"gamma_curve\":\n> > + [\n> > + 0, 0,\n> > + 1024, 5040,\n> > + 2048, 9338,\n> > + 3072, 12356,\n> > + 4096, 15312,\n> > + 5120, 18051,\n> > + 6144, 20790,\n> > + 7168, 23193,\n> > + 8192, 25744,\n> > + 9216, 27942,\n> > + 10240, 30035,\n> > + 11264, 32005,\n> > + 12288, 33975,\n> > + 13312, 35815,\n> > + 14336, 37600,\n> > + 15360, 39168,\n> > + 16384, 40642,\n> > + 18432, 43379,\n> > + 20480, 45749,\n> > + 22528, 47753,\n> > + 24576, 49621,\n> > + 26624, 51253,\n> > + 28672, 52698,\n> > + 30720, 53796,\n> > + 32768, 54876,\n> > + 36864, 57012,\n> > + 40960, 58656,\n> > + 45056, 59954,\n> > + 49152, 61183,\n> > + 53248, 62355,\n> > + 57344, 63419,\n> > + 61440, 64476,\n> > + 65535, 65535\n> > + ]\n> > + }\n> > + }\n> > + ]\n> > +}\n> > \\ No newline at end of file\n> > --\n> > 2.34.1\n> >","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 0F3EEC32A3\n\tfor ;\n\tMon, 21 Oct 2024 10:45:51 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id A2A2D65392;\n\tMon, 21 Oct 2024 12:45:49 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id\n\t00721157ae682-6e5bfe859cdmr39047717b3.10.1729507545191;\n\tMon, 21 Oct 2024 03:45:45 -0700 (PDT)","MIME-Version":"1.0","References":"<20241010134148.1788425-1-kieran.bingham@ideasonboard.com>\n\t<172937423962.2485972.14809842923199252116@ping.linuxembedded.co.uk>","In-Reply-To":"<172937423962.2485972.14809842923199252116@ping.linuxembedded.co.uk>","From":"Naushir Patuck ","Date":"Mon, 21 Oct 2024 11:45:11 +0100","Message-ID":"","Subject":"Re: [PATCH] ipa: rpi: Add tuning files for OV7251","To":"Kieran Bingham ","Cc":"libcamera devel , \n\tDave Stevenson ","Content-Type":"text/plain; charset=\"UTF-8\"","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","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}}]