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{ "id": 3747, "url": "https://patchwork.libcamera.org/api/1.1/covers/3747/?format=api", "web_url": "https://patchwork.libcamera.org/cover/3747/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/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": "<20200511100150.5205-1-naush@raspberrypi.com>", "date": "2020-05-11T10:01:48", "name": "[libcamera-devel,0/2] raspberrypi: FPS control", "submitter": { "id": 34, "url": "https://patchwork.libcamera.org/api/1.1/people/34/?format=api", "name": "Naushir Patuck", "email": "naush@raspberrypi.com" }, "mbox": "https://patchwork.libcamera.org/cover/3747/mbox/", "series": [ { "id": 892, "url": "https://patchwork.libcamera.org/api/1.1/series/892/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=892", "date": "2020-05-11T10:01:48", "name": "raspberrypi: FPS control", "version": 1, "mbox": "https://patchwork.libcamera.org/series/892/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/3747/comments/", "headers": { "Return-Path": "<naush@raspberrypi.com>", "Received": [ "from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com\n\t[IPv6:2a00:1450:4864:20::42c])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 1DE75603E2\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 11 May 2020 12:01:56 +0200 (CEST)", "by mail-wr1-x42c.google.com with SMTP id x17so10158761wrt.5\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 11 May 2020 03:01:56 -0700 (PDT)", "from naushir-VirtualBox.patuck.local ([88.97.76.4])\n\tby smtp.gmail.com with ESMTPSA id\n\tu74sm26391908wmu.13.2020.05.11.03.01.54\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tMon, 11 May 2020 03:01:55 -0700 (PDT)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (2048-bit key; \n\tunprotected) header.d=raspberrypi.com\n\theader.i=@raspberrypi.com\n\theader.b=\"lPwCfbZY\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=raspberrypi.com; s=google;\n\th=from:to:cc:subject:date:message-id;\n\tbh=V6K1LMRgF7ULUJPOXdy+1S6acPNQ9pvOKzffHzC8PcA=;\n\tb=lPwCfbZYE+lBQUs8/aNF/HEFQDInSz0Tql1SzjmINzRTLfK5naBzwzmcP3DNtz4v5n\n\t4ChoCSMAjk6DBYjy0F0PtwGWZds9XgttgAx6TY78ddCpECbLnbCRKryikCrPdN0fk+It\n\tdNmr6hjttn8sTwz58cADQUBkEc8Jfi4q+JgXmA5UkZtT98cDmsyeT74aZu4c5YqugOtk\n\tPm7B5wzjlLBY4JmyG9p5eG/jXf87Bn+9w551+lFppm6pA+VDkHrDfUwi+8ZD8IIhqC+i\n\t5P6LFbdaIBdSlq/3QrT/642DwytIWrq6loz3WpkDI1vKpCQOi13wNN3BE0Vwv841+mlI\n\topxw==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id;\n\tbh=V6K1LMRgF7ULUJPOXdy+1S6acPNQ9pvOKzffHzC8PcA=;\n\tb=bR2f6tQVFgWG8jva4P3O3KfzkDIn/BcHbQpJr+5LRu62XvOIDIjVx2KnxRrsWnxlaV\n\th9exqai5jnCd4NZzIgJ7gzVeNjIuVFDGdqvy46qIyUPsq0E8iwvo5BJI5xZTMcZHYjPl\n\tmRFbEokV33vvbNAExSYK+/+wuS8bPFr5pLNPns/1VEZKGmuBmU5IHzDOFWqiJ0AS3qQn\n\tbDU5FXe3nITpGH2S0aQKVqIh14DfENgwlwOjlrU5wVvydtGSjjyj8YVCWCxZmmS4ZdeZ\n\tW37LDSv05IdxLxWUzEtmq9A6xqEa66m5VMXbzwzggOzgK4++iXET99yFOvlveKpZnfOz\n\tFUkQ==", "X-Gm-Message-State": "AGi0Pubso2hoxbJJHnWJwqi+5r59mXFqwyMYTJvZsIX7K7Uvay1P4+dH\n\t5p8ruSL3MUcv1n+AjjcYlbOUHKfkAn0deA==", "X-Google-Smtp-Source": "APiQypI+UtUsciwIHhgBZHQHNDtvd5ThgL7Z7ANP4ZMLKK6Ph6zMEawCUCOeXUfvsjqwKQ58MxC6Hg==", "X-Received": "by 2002:adf:e64c:: with SMTP id\n\tb12mr17634737wrn.131.1589191315547; \n\tMon, 11 May 2020 03:01:55 -0700 (PDT)", "From": "Naushir Patuck <naush@raspberrypi.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Mon, 11 May 2020 11:01:48 +0100", "Message-Id": "<20200511100150.5205-1-naush@raspberrypi.com>", "X-Mailer": "git-send-email 2.17.1", "Subject": "[libcamera-devel] [PATCH 0/2] raspberrypi: FPS control", "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>", "X-List-Received-Date": "Mon, 11 May 2020 10:01:56 -0000" }, "content": "Hi,\n\nThe following two patches add variable framerate control to a sensor subdevice. This will allow shutter speeds below 33ms during viewfinder (for example).\n\nI've currently hardcoded the maximum limit at 30.0fps, but we ought to have a discussion on how a user can request fps limits - perhaps though a Request, or stream configuration parameters?\n\nThanks,\nNaush\n\n\nNaushir Patuck (2):\n libcamera: raspberrypi: Add control of sensor vblanking\n libcamera: raspberrypi: Limit the maximum framerate to 30.0fps\n\n src/ipa/raspberrypi/cam_helper.hpp | 1 +\n src/ipa/raspberrypi/cam_helper_imx219.cpp | 23 +++++++++++++++++++\n src/ipa/raspberrypi/cam_helper_imx477.cpp | 23 +++++++++++++++++++\n src/ipa/raspberrypi/cam_helper_ov5647.cpp | 23 +++++++++++++++++++\n src/ipa/raspberrypi/raspberrypi.cpp | 14 ++++++++++-\n .../pipeline/raspberrypi/raspberrypi.cpp | 2 ++\n 6 files changed, 85 insertions(+), 1 deletion(-)" }