{"id":13793,"url":"https://patchwork.libcamera.org/api/1.1/patches/13793/?format=json","web_url":"https://patchwork.libcamera.org/patch/13793/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20210909135449.68017-6-jeanmichel.hautbois@ideasonboard.com>","date":"2021-09-09T13:54:49","name":"[libcamera-devel,v6,5/5] ipa: ipu3: awb: Make the naming consistent","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"20f46aa1247de360fca1e0c4662969e413b64159","submitter":{"id":75,"url":"https://patchwork.libcamera.org/api/1.1/people/75/?format=json","name":"Jean-Michel Hautbois","email":"jeanmichel.hautbois@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/13793/mbox/","series":[{"id":2508,"url":"https://patchwork.libcamera.org/api/1.1/series/2508/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=2508","date":"2021-09-09T13:54:44","name":"Move and improve AWB structures","version":6,"mbox":"https://patchwork.libcamera.org/series/2508/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/13793/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/13793/checks/","tags":{},"headers":{"Return-Path":"<libcamera-devel-bounces@lists.libcamera.org>","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 4488ABDB1D\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu,  9 Sep 2021 13:55:00 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id E1A2269179;\n\tThu,  9 Sep 2021 15:54:59 +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 148F169174\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu,  9 Sep 2021 15:54:55 +0200 (CEST)","from tatooine.ideasonboard.com (unknown\n\t[IPv6:2a01:e0a:169:7140:ab35:be36:579e:39cf])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id BD98E883;\n\tThu,  9 Sep 2021 15:54:54 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"nZW8qNQu\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1631195694;\n\tbh=6J+lMhFZi8TE/AV+xB1YgdHE096t06sor6UQb+0IQNI=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=nZW8qNQuvpoc1pVtn6H3yf/z1Me2qrqOXtfhxHpRfGku+Be2Da6nH2zASlam8PSD7\n\tba71rSrWdUZKolsWxwYRdR12OycRkanxRKcK/yInAgEdouEw/LEBhoPQ2uqrrSxtVE\n\tTi5T2KS23B93sW74FCkRvgtq8XUnY5yNHz8KAVbU=","From":"Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>","To":"libcamera-devel@lists.libcamera.org","Date":"Thu,  9 Sep 2021 15:54:49 +0200","Message-Id":"<20210909135449.68017-6-jeanmichel.hautbois@ideasonboard.com>","X-Mailer":"git-send-email 2.30.2","In-Reply-To":"<20210909135449.68017-1-jeanmichel.hautbois@ideasonboard.com>","References":"<20210909135449.68017-1-jeanmichel.hautbois@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v6 5/5] ipa: ipu3: awb: Make the naming\n\tconsistent","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"},"content":"The variables mix the terms cell, region and zone. It can confuse the\nreader, and make the algorithm more difficult to follow.\n\nRename the local variables consistent with their definitions:\n- Cells are defined in Pixels\n- Zones are defined in Cells\n\nTheir is no \"region\" as such, so replace it with the correct term.\n\nSigned-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>\n---\n src/ipa/ipu3/algorithms/awb.cpp | 22 +++++++++++-----------\n 1 file changed, 11 insertions(+), 11 deletions(-)","diff":"diff --git a/src/ipa/ipu3/algorithms/awb.cpp b/src/ipa/ipu3/algorithms/awb.cpp\nindex cf97208f..fd68b359 100644\n--- a/src/ipa/ipu3/algorithms/awb.cpp\n+++ b/src/ipa/ipu3/algorithms/awb.cpp\n@@ -222,30 +222,30 @@ void Awb::generateZones(std::vector<RGB> &zones)\n void Awb::generateAwbStats(const ipu3_uapi_stats_3a *stats,\n \t\t\t   const ipu3_uapi_grid_config &grid)\n {\n-\tuint32_t regionWidth = round(grid.width / static_cast<double>(kAwbStatsSizeX));\n-\tuint32_t regionHeight = round(grid.height / static_cast<double>(kAwbStatsSizeY));\n+\tuint32_t cellWidth = round(grid.width / static_cast<double>(kAwbStatsSizeX));\n+\tuint32_t cellHeight = round(grid.height / static_cast<double>(kAwbStatsSizeY));\n \n \t/*\n \t * Generate a (kAwbStatsSizeX x kAwbStatsSizeY) array from the IPU3 grid which is\n \t * (grid.width x grid.height).\n \t */\n-\tfor (unsigned int j = 0; j < kAwbStatsSizeY * regionHeight; j++) {\n-\t\tfor (unsigned int i = 0; i < kAwbStatsSizeX * regionWidth; i++) {\n+\tfor (unsigned int j = 0; j < kAwbStatsSizeY * cellHeight; j++) {\n+\t\tfor (unsigned int i = 0; i < kAwbStatsSizeX * cellWidth; i++) {\n \t\t\tuint32_t cellPosition = j * grid.width + i;\n-\t\t\tuint32_t cellX = (cellPosition / regionWidth) % kAwbStatsSizeX;\n-\t\t\tuint32_t cellY = ((cellPosition / grid.width) / regionHeight) % kAwbStatsSizeY;\n+\t\t\tuint32_t cellX = (cellPosition / cellWidth) % kAwbStatsSizeX;\n+\t\t\tuint32_t cellY = ((cellPosition / grid.width) / cellHeight) % kAwbStatsSizeY;\n \n-\t\t\tuint32_t awbRegionPosition = cellY * kAwbStatsSizeX + cellX;\n+\t\t\tuint32_t awbZonePosition = cellY * kAwbStatsSizeX + cellX;\n \n \t\t\t/* Cast the initial IPU3 structure to simplify the reading */\n \t\t\tconst ipu3_uapi_awb_set_item *currentCell = &stats->awb_raw_buffer.meta_data[cellPosition];\n \t\t\tif (currentCell->sat_ratio == 0) {\n \t\t\t\t/* The cell is not saturated, use the current cell */\n-\t\t\t\tawbStats_[awbRegionPosition].counted++;\n+\t\t\t\tawbStats_[awbZonePosition].counted++;\n \t\t\t\tuint32_t greenValue = currentCell->Gr_avg + currentCell->Gb_avg;\n-\t\t\t\tawbStats_[awbRegionPosition].sum.green += greenValue / 2;\n-\t\t\t\tawbStats_[awbRegionPosition].sum.red += currentCell->R_avg;\n-\t\t\t\tawbStats_[awbRegionPosition].sum.blue += currentCell->B_avg;\n+\t\t\t\tawbStats_[awbZonePosition].sum.green += greenValue / 2;\n+\t\t\t\tawbStats_[awbZonePosition].sum.red += currentCell->R_avg;\n+\t\t\t\tawbStats_[awbZonePosition].sum.blue += currentCell->B_avg;\n \t\t\t}\n \t\t}\n \t}\n","prefixes":["libcamera-devel","v6","5/5"]}