{"id":3747,"url":"https://patchwork.libcamera.org/api/1.1/covers/3747/?format=json","web_url":"https://patchwork.libcamera.org/cover/3747/","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":"<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=json","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=json","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":"","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 ;\n\tMon, 11 May 2020 12:01:56 +0200 (CEST)","by mail-wr1-x42c.google.com with SMTP id x17so10158761wrt.5\n\tfor ;\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 ","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":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","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(-)"}