[{"id":33782,"web_url":"https://patchwork.libcamera.org/comment/33782/","msgid":"<174343907731.3394313.7492491931471835631@ping.linuxembedded.co.uk>","date":"2025-03-31T16:37:57","subject":"Re: [PATCH 4/9] libipa: agc_mean_luminance: Add debug logging","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"content":"Quoting Stefan Klug (2025-03-31 15:43:43)\n> When debugging the AEGC it is important to know when the constraints\n> apply. As this is important information for anyone doing tuning file\n> optimization, add it upstream.\n> \n> Signed-off-by: Stefan Klug \n> ---\n> src/ipa/libipa/agc_mean_luminance.cpp | 8 ++++++--\n> 1 file changed, 6 insertions(+), 2 deletions(-)\n> \n> diff --git a/src/ipa/libipa/agc_mean_luminance.cpp b/src/ipa/libipa/agc_mean_luminance.cpp\n> index f617fde81101..9154f083a510 100644\n> --- a/src/ipa/libipa/agc_mean_luminance.cpp\n> +++ b/src/ipa/libipa/agc_mean_luminance.cpp\n> @@ -468,12 +468,16 @@ double AgcMeanLuminance::constraintClampGain(uint32_t constraintModeIndex,\n> hist.interQuantileMean(constraint.qLo, constraint.qHi);\n> \n> if (constraint.bound == AgcConstraint::Bound::Lower &&\n> - newGain > gain)\n> + newGain > gain) {\n> gain = newGain;\n> + LOG(AgcMeanLuminance, Debug) << \"Apply lower bound: \" << gain << \" to \" << newGain;\n> + }\n> \n> if (constraint.bound == AgcConstraint::Bound::Upper &&\n> - newGain < gain)\n> + newGain < gain) {\n> gain = newGain;\n> + LOG(AgcMeanLuminance, Debug) << \"Apply upper bound: \" << gain << \" to \" << newGain;\n> + }\n\nReviewed-by: Kieran Bingham \n\n> }\n> \n> return gain;\n> -- \n> 2.43.0\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 CD1E9C3213\n\tfor ;\n\tMon, 31 Mar 2025 16:38:01 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 75ECD68985;\n\tMon, 31 Mar 2025 18:38:01 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id E641968967\n\tfor ;\n\tMon, 31 Mar 2025 18:37:59 +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 66637725;\n\tMon, 31 Mar 2025 18:36:08 +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=\"NPhaAc50\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1743438968;\n\tbh=JPMny0hE+kpOMO/x83PvANYNed4ClvX2pHdIrkdy9VY=;\n\th=In-Reply-To:References:Subject:From:Cc:To:Date:From;\n\tb=NPhaAc501jgzpgAv1gAhhXiuQCL7+aMLQELidHf/bHKgHdKqBP7anE5ChRS4GicWO\n\t4UD9/RTiKcbUn2PX3LCQCQho1CgK/w2JzY03tonyIwONmkeCYjjbO9vuZjxm3y3Unw\n\tSxFxHkp0CUhDSiWOYnaGpbRvenkKRxaH7JZ2vERk=","Content-Type":"text/plain; charset=\"utf-8\"","MIME-Version":"1.0","Content-Transfer-Encoding":"quoted-printable","In-Reply-To":"<20250331144352.736700-5-stefan.klug@ideasonboard.com>","References":"<20250331144352.736700-1-stefan.klug@ideasonboard.com>\n\t<20250331144352.736700-5-stefan.klug@ideasonboard.com>","Subject":"Re: [PATCH 4/9] libipa: agc_mean_luminance: Add debug logging","From":"Kieran Bingham ","Cc":"Stefan Klug ","To":"Stefan Klug ,\n\tlibcamera-devel@lists.libcamera.org","Date":"Mon, 31 Mar 2025 17:37:57 +0100","Message-ID":"<174343907731.3394313.7492491931471835631@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":33814,"web_url":"https://patchwork.libcamera.org/comment/33814/","msgid":"","date":"2025-03-31T20:22:52","subject":"Re: [PATCH 4/9] libipa: agc_mean_luminance: Add debug logging","submitter":{"id":156,"url":"https://patchwork.libcamera.org/api/people/156/","name":"Dan Scally","email":"dan.scally@ideasonboard.com"},"content":"Hi Stefan\n\nOn 31/03/2025 15:43, Stefan Klug wrote:\n> When debugging the AEGC it is important to know when the constraints\n> apply. As this is important information for anyone doing tuning file\n> optimization, add it upstream.\n>\n> Signed-off-by: Stefan Klug \n> ---\n\nMakes sense to me:\n\n\nReviewed-by: Daniel Scally \n\n> src/ipa/libipa/agc_mean_luminance.cpp | 8 ++++++--\n> 1 file changed, 6 insertions(+), 2 deletions(-)\n>\n> diff --git a/src/ipa/libipa/agc_mean_luminance.cpp b/src/ipa/libipa/agc_mean_luminance.cpp\n> index f617fde81101..9154f083a510 100644\n> --- a/src/ipa/libipa/agc_mean_luminance.cpp\n> +++ b/src/ipa/libipa/agc_mean_luminance.cpp\n> @@ -468,12 +468,16 @@ double AgcMeanLuminance::constraintClampGain(uint32_t constraintModeIndex,\n> \t\t\t\t hist.interQuantileMean(constraint.qLo, constraint.qHi);\n> \n> \t\tif (constraint.bound == AgcConstraint::Bound::Lower &&\n> -\t\t newGain > gain)\n> +\t\t newGain > gain) {\n> \t\t\tgain = newGain;\n> +\t\t\tLOG(AgcMeanLuminance, Debug) << \"Apply lower bound: \" << gain << \" to \" << newGain;\n> +\t\t}\n> \n> \t\tif (constraint.bound == AgcConstraint::Bound::Upper &&\n> -\t\t newGain < gain)\n> +\t\t newGain < gain) {\n> \t\t\tgain = newGain;\n> +\t\t\tLOG(AgcMeanLuminance, Debug) << \"Apply upper bound: \" << gain << \" to \" << newGain;\n> +\t\t}\n> \t}\n> \n> \treturn gain;","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 C012DC323E\n\tfor ;\n\tMon, 31 Mar 2025 20:22:58 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 0316668981;\n\tMon, 31 Mar 2025 22:22:58 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 470C368967\n\tfor ;\n\tMon, 31 Mar 2025 22:22:56 +0200 (CEST)","from [192.168.0.43]\n\t(cpc141996-chfd3-2-0-cust928.12-3.cable.virginm.net [86.13.91.161])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id CBEB4526\n\tfor ;\n\tMon, 31 Mar 2025 22:21:03 +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=\"ZfqgDbdd\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1743452463;\n\tbh=AEF5wmgB0QpHdtIMh+kn75+ho6UlFhGbAOdG4ZilcZk=;\n\th=Date:Subject:To:References:From:In-Reply-To:From;\n\tb=ZfqgDbddrdVRRX36BKEC0ym6zqAoTI0QhiCIuJSkWcdompp+5FheTeXmZC5fsT6AK\n\tSRG4iyYCbUQPlsKTWdz8QSUddWVEFl2VwSyVdgTT2/Vo7+Fcdw7YVOf7i+Ql79bVRs\n\tOF2lYaBQBvrAWMoBsRoyksMEW8lf4OXuhm04kMG8=","Message-ID":"","Date":"Mon, 31 Mar 2025 21:22:52 +0100","MIME-Version":"1.0","User-Agent":"Mozilla Thunderbird","Subject":"Re: [PATCH 4/9] libipa: agc_mean_luminance: Add debug logging","To":"libcamera-devel@lists.libcamera.org","References":"<20250331144352.736700-1-stefan.klug@ideasonboard.com>\n\t<20250331144352.736700-5-stefan.klug@ideasonboard.com>","Content-Language":"en-US","From":"Dan Scally ","Autocrypt":"addr=dan.scally@ideasonboard.com; keydata=\n\txsFNBGLydlEBEADa5O2s0AbUguprfvXOQun/0a8y2Vk6BqkQALgeD6KnXSWwaoCULp18etYW\n\tB31bfgrdphXQ5kUQibB0ADK8DERB4wrzrUb5CMxLBFE7mQty+v5NsP0OFNK9XTaAOcmD+Ove\n\teIjYvqurAaro91jrRVrS1gBRxIFqyPgNvwwL+alMZhn3/2jU2uvBmuRrgnc/e9cHKiuT3Dtq\n\tMHGPKL2m+plk+7tjMoQFfexoQ1JKugHAjxAhJfrkXh6uS6rc01bYCyo7ybzg53m1HLFJdNGX\n\tsUKR+dQpBs3SY4s66tc1sREJqdYyTsSZf80HjIeJjU/hRunRo4NjRIJwhvnK1GyjOvvuCKVU\n\tRWpY8dNjNu5OeAfdrlvFJOxIE9M8JuYCQTMULqd1NuzbpFMjc9524U3Cngs589T7qUMPb1H1\n\tNTA81LmtJ6Y+IV5/kiTUANflpzBwhu18Ok7kGyCq2a2jsOcVmk8gZNs04gyjuj8JziYwwLbf\n\tvzABwpFVcS8aR+nHIZV1HtOzyw8CsL8OySc3K9y+Y0NRpziMRvutrppzgyMb9V+N31mK9Mxl\n\t1YkgaTl4ciNWpdfUe0yxH03OCuHi3922qhPLF4XX5LN+NaVw5Xz2o3eeWklXdouxwV7QlN33\n\tu4+u2FWzKxDqO6WLQGjxPE0mVB4Gh5Pa1Vb0ct9Ctg0qElvtGQARAQABzShEYW4gU2NhbGx5\n\tIDxkYW4uc2NhbGx5QGlkZWFzb25ib2FyZC5jb20+wsGNBBMBCAA3FiEEsdtt8OWP7+8SNfQe\n\tkiQuh/L+GMQFAmLydlIFCQWjmoACGwMECwkIBwUVCAkKCwUWAgMBAAAKCRCSJC6H8v4YxDI2\n\tEAC2Gz0iyaXJkPInyshrREEWbo0CA6v5KKf3I/HlMPqkZ48bmGoYm4mEQGFWZJAT3K4ir8bg\n\tcEfs9V54gpbrZvdwS4abXbUK4WjKwEs8HK3XJv1WXUN2bsz5oEJWZUImh9gD3naiLLI9QMMm\n\tw/aZkT+NbN5/2KvChRWhdcha7+2Te4foOY66nIM+pw2FZM6zIkInLLUik2zXOhaZtqdeJZQi\n\tHSPU9xu7TRYN4cvdZAnSpG7gQqmLm5/uGZN1/sB3kHTustQtSXKMaIcD/DMNI3JN/t+RJVS7\n\tc0Jh/ThzTmhHyhxx3DRnDIy7kwMI4CFvmhkVC2uNs9kWsj1DuX5kt8513mvfw2OcX9UnNKmZ\n\tnhNCuF6DxVrL8wjOPuIpiEj3V+K7DFF1Cxw1/yrLs8dYdYh8T8vCY2CHBMsqpESROnTazboh\n\tAiQ2xMN1cyXtX11Qwqm5U3sykpLbx2BcmUUUEAKNsM//Zn81QXKG8vOx0ZdMfnzsCaCzt8f6\n\t9dcDBBI3tJ0BI9ByiocqUoL6759LM8qm18x3FYlxvuOs4wSGPfRVaA4yh0pgI+ModVC2Pu3y\n\tejE/IxeatGqJHh6Y+iJzskdi27uFkRixl7YJZvPJAbEn7kzSi98u/5ReEA8Qhc8KO/B7wprj\n\txjNMZNYd0Eth8+WkixHYj752NT5qshKJXcyUU87BTQRi8nZSARAAx0BJayh1Fhwbf4zoY56x\n\txHEpT6DwdTAYAetd3yiKClLVJadYxOpuqyWa1bdfQWPb+h4MeXbWw/53PBgn7gI2EA7ebIRC\n\tPJJhAIkeym7hHZoxqDQTGDJjxFEL11qF+U3rhWiL2Zt0Pl+zFq0eWYYVNiXjsIS4FI2+4m16\n\ttPbDWZFJnSZ828VGtRDQdhXfx3zyVX21lVx1bX4/OZvIET7sVUufkE4hrbqrrufre7wsjD1t\n\t8MQKSapVrr1RltpzPpScdoxknOSBRwOvpp57pJJe5A0L7+WxJ+vQoQXj0j+5tmIWOAV1qBQp\n\thyoyUk9JpPfntk2EKnZHWaApFp5TcL6c5LhUvV7F6XwOjGPuGlZQCWXee9dr7zym8iR3irWT\n\t+49bIh5PMlqSLXJDYbuyFQHFxoiNdVvvf7etvGfqFYVMPVjipqfEQ38ST2nkzx+KBICz7uwj\n\tJwLBdTXzGFKHQNckGMl7F5QdO/35An/QcxBnHVMXqaSd12tkJmoRVWduwuuoFfkTY5mUV3uX\n\txGj3iVCK4V+ezOYA7c2YolfRCNMTza6vcK/P4tDjjsyBBZrCCzhBvd4VVsnnlZhVaIxoky4K\n\taL+AP+zcQrUZmXmgZjXOLryGnsaeoVrIFyrU6ly90s1y3KLoPsDaTBMtnOdwxPmo1xisH8oL\n\ta/VRgpFBfojLPxMAEQEAAcLBfAQYAQgAJhYhBLHbbfDlj+/vEjX0HpIkLofy/hjEBQJi8nZT\n\tBQkFo5qAAhsMAAoJEJIkLofy/hjEXPcQAMIPNqiWiz/HKu9W4QIf1OMUpKn3YkVIj3p3gvfM\n\tRes4fGX94Ji599uLNrPoxKyaytC4R6BTxVriTJjWK8mbo9jZIRM4vkwkZZ2bu98EweSucxbp\n\tvjESsvMXGgxniqV/RQ/3T7LABYRoIUutARYq58p5HwSP0frF0fdFHYdTa2g7MYZl1ur2JzOC\n\tFHRpGadlNzKDE3fEdoMobxHB3Lm6FDml5GyBAA8+dQYVI0oDwJ3gpZPZ0J5Vx9RbqXe8RDuR\n\tdu90hvCJkq7/tzSQ0GeD3BwXb9/R/A4dVXhaDd91Q1qQXidI+2jwhx8iqiYxbT+DoAUkQRQy\n\txBtoCM1CxH7u45URUgD//fxYr3D4B1SlonA6vdaEdHZOGwECnDpTxecENMbz/Bx7qfrmd901\n\tD+N9SjIwrbVhhSyUXYnSUb8F+9g2RDY42Sk7GcYxIeON4VzKqWM7hpkXZ47pkK0YodO+dRKM\n\tyMcoUWrTK0Uz6UzUGKoJVbxmSW/EJLEGoI5p3NWxWtScEVv8mO49gqQdrRIOheZycDmHnItt\n\t9Qjv00uFhEwv2YfiyGk6iGF2W40s2pH2t6oeuGgmiZ7g6d0MEK8Ql/4zPItvr1c1rpwpXUC1\n\tu1kQWgtnNjFHX3KiYdqjcZeRBiry1X0zY+4Y24wUU0KsEewJwjhmCKAsju1RpdlPg2kC","In-Reply-To":"<20250331144352.736700-5-stefan.klug@ideasonboard.com>","Content-Type":"text/plain; charset=UTF-8; format=flowed","Content-Transfer-Encoding":"7bit","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\" "}}]