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{ "id": 11875, "url": "https://patchwork.libcamera.org/api/patches/11875/?format=api", "web_url": "https://patchwork.libcamera.org/patch/11875/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20210409043208.1823330-2-hiroh@chromium.org>", "date": "2021-04-09T04:32:04", "name": "[libcamera-devel,RFC,1/5] libcamera: controls: Add sensor test pattern mode", "commit_ref": null, "pull_url": null, "state": "rfc", "archived": false, "hash": "b1820b3d62af4f688d4545277ee1a45009f77ba9", "submitter": { "id": 63, "url": "https://patchwork.libcamera.org/api/people/63/?format=api", "name": "Hirokazu Honda", "email": "hiroh@chromium.org" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/11875/mbox/", "series": [ { "id": 1906, "url": "https://patchwork.libcamera.org/api/series/1906/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1906", "date": "2021-04-09T04:32:03", "name": "Report available test pattern modes", "version": 1, "mbox": "https://patchwork.libcamera.org/series/1906/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/11875/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/11875/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 C1676BD16B\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 9 Apr 2021 04:32:19 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 785556879E;\n\tFri, 9 Apr 2021 06:32:19 +0200 (CEST)", "from mail-pf1-x433.google.com (mail-pf1-x433.google.com\n\t[IPv6:2607:f8b0:4864:20::433])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 4906F687F6\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 9 Apr 2021 06:32:17 +0200 (CEST)", "by mail-pf1-x433.google.com with SMTP id y16so3396734pfc.5\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 08 Apr 2021 21:32:17 -0700 (PDT)", "from hiroh2.tok.corp.google.com\n\t([2401:fa00:8f:2:7567:510e:1b47:ce92])\n\tby smtp.gmail.com with ESMTPSA id\n\til6sm737275pjb.56.2021.04.08.21.32.14\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 08 Apr 2021 21:32:15 -0700 (PDT)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=chromium.org header.i=@chromium.org\n\theader.b=\"EMksSMuv\"; 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\n\tThu, 08 Apr 2021 21:32:15 -0700 (PDT)", "From": "Hirokazu Honda <hiroh@chromium.org>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Fri, 9 Apr 2021 13:32:04 +0900", "Message-Id": "<20210409043208.1823330-2-hiroh@chromium.org>", "X-Mailer": "git-send-email 2.31.1.295.g9ea45b61b8-goog", "In-Reply-To": "<20210409043208.1823330-1-hiroh@chromium.org>", "References": "<20210409043208.1823330-1-hiroh@chromium.org>", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [RFC PATCH 1/5] libcamera: controls: Add sensor\n\ttest pattern mode", "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>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "The control is used to report available sensor test pattern modes\nand also specify the mode to sensor.\n\nSigned-off-by: Hirokazu Honda <hiroh@chromium.org>\n---\n src/libcamera/control_ids.yaml | 59 ++++++++++++++++++++++++++++++++++\n 1 file changed, 59 insertions(+)", "diff": "diff --git a/src/libcamera/control_ids.yaml b/src/libcamera/control_ids.yaml\nindex b4771f9d..be2f710a 100644\n--- a/src/libcamera/control_ids.yaml\n+++ b/src/libcamera/control_ids.yaml\n@@ -608,4 +608,63 @@ controls:\n detection, additional format conversions etc) count as an additional\n pipeline stage.\n \n+ - SensorTestPatternMode:\n+ type: int32_t\n+ draft: true\n+ description: |\n+ Control to select the sensor test pattern mode. Currently identical to\n+ ANDROID_SENSOR_TEST_PATTERN_MODE.\n+\n+ Mode of operation for the test pattern mode.\n+ enum:\n+ - name: SensorTestPatternModeOff\n+ value: 0\n+ description: |\n+ No test pattern mode is used. The camera device returns from the\n+ image sensor.\n+ - name: SensorTestPatternModeSolidColor\n+ value: 1\n+ description: |\n+ Each pixel in [R, G_even, G_odd, B] is replaced by its respective\n+ color channel.\n+ - name: SensorTestPatternModeColorBars\n+ value: 2\n+ description: |\n+ All pixel data is replaced with an 8-bar color pattern. The vertical\n+ bars (left-to-right) are as follows; white, yellow, cyan, green,\n+ magenta, red, blue and black. Each bar should take up 1/8 of the\n+ sensor pixel array width. When this is not possible, the bar size\n+ should be rounded down to the nearest integer and the pattern can\n+ repeat on the right side. Each bar's height must always take up the\n+ full sensor pixel array height.\n+ - name: SensorTestPatternModeColorBarsFadeToGray\n+ value: 3\n+ description: |\n+ The test pattern is similar to SensorTestPatternModeColorBars,\n+ except that each bar should start at its specified color at the top\n+ and fade to gray at the bottom. Furthermore each bar is further\n+ subdevided into a left and right half. The left half should have a\n+ smooth gradient, and the right half should have a quantized\n+ gradient. In particular, the right half's should consist of blocks\n+ of the same color for 1/16th active sensor pixel array width. The\n+ least significant bits in the quantized gradient should be copied\n+ from the most significant bits of the smooth gradient. The height of\n+ each bar should always be a multiple of 128. When this is not the\n+ case, the pattern should repeat at the bottom of the image.\n+ - name: SensorTestPatternModePn9\n+ value: 4\n+ description: |\n+ All pixel data is replaced by a pseudo-random sequence generated\n+ from a PN9 512-bit sequence (typically implemented in hardware with\n+ a linear feedback shift register). The generator should be reset at\n+ the beginning of each frame, and thus each subsequent raw frame with\n+ this test pattern should be exactly the same as the last.\n+ - name: SensorTestPatternModeCustom1\n+ value: 5\n+ description: |\n+ The first custom test pattern. All custom patterns that are\n+ available only on this camera device are at least this numeric\n+ value. All of the custom test patterns will be static (that is the\n+ raw image must not vary from frame to frame).\n+\n ...\n", "prefixes": [ "libcamera-devel", "RFC", "1/5" ] }