[{"id":4263,"web_url":"https://patchwork.libcamera.org/comment/4263/","msgid":"<234d6c97-fdbc-f4f8-a9df-80fb4a2b1aa1@ideasonboard.com>","date":"2020-03-24T14:13:42","subject":"Re: [libcamera-devel] [PATCH v3 2/6] libcamera: properties: Define\n\t'lens' properties","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"content":"Hi Jacopo,\n\nOn 09/03/2020 18:04, Jacopo Mondi wrote:\n> Define properties that describe the optical characteristics of the image\n> sensor.\n> \n> Signed-off-by: Jacopo Mondi \n> \n> ---\n> v2 -> v3:\n> - Pluralize names of properties which transport multiple values\n> - Again 'size' vs 'compound' is hard to guess\n> ---\n> src/libcamera/property_ids.yaml | 34 +++++++++++++++++++++++++++++++++\n> 1 file changed, 34 insertions(+)\n> \n> diff --git a/src/libcamera/property_ids.yaml b/src/libcamera/property_ids.yaml\n> index 4cecb5ad9ac3..80f9b1b3c264 100644\n> --- a/src/libcamera/property_ids.yaml\n> +++ b/src/libcamera/property_ids.yaml\n> @@ -563,4 +563,38 @@ controls:\n> The range of supported ISO sensitivities, as documented by the\n> ISO 12232:2006 standard\n> \n> + - LensApertures:\n> + type: float\n> + size: [16]\n\nWhy 16?\n\n> + description: |\n> + The available lens apertures, expressed as f numbers (the ratio between\n> + the lens focal distance and the diameter of the pupil aperture).\n> +\n> + If the camera module has a fixed aperture, the property transports a\n> + single value.\n\n\nAnd the others should all be set to 0?\n\n> +\n> + - LensFocalLengths:\n> + type: float\n> + size: [16]\n> + description: |\n> + The available lens focal lengths, expressed in millimeters.\n> +\n> + If the camera module supports multiple focal lengths this property\n> + reports the focal lengths associated with each discrete step. For\n> + camera modules with a single focal length, a single value should be\n> + instead reported.\n> +\n> + - LensHyperfocalDistances:\n> + type: float\n> + size: [16]\n> + description: |\n> + The hyperfocal distance of the camera module. The property is\n> + particularly meaningful for modules with a single focal length.\n> +\n> + - LensMinimumFocusDistance:\n> + type: float\n> + description: |\n> + The shortest distance in millimeters at which an object could be brought\n> + into sharp focus.\n> +\n> ...\n>","headers":{"Return-Path":"","Received":["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 85AE660411\n\tfor ;\n\tTue, 24 Mar 2020 15:13:46 +0100 (CET)","from [192.168.0.20]\n\t(cpc89242-aztw30-2-0-cust488.18-1.cable.virginm.net [86.31.129.233])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id CA4A0308;\n\tTue, 24 Mar 2020 15:13:45 +0100 (CET)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1585059226;\n\tbh=nRPuEW6iLqYPhLCOw97DLkZeDhZfUj345khmAH/ZEYs=;\n\th=Reply-To:Subject:To:References:From:Date:In-Reply-To:From;\n\tb=vWH7jIL+MDD15jwrWjIgG+BuFLOgh3udI/ZH3fNjmlmOLF+j5zqYto3YeL+PTbXNA\n\twTkEnR0ix9exXe6ikM7hzPyeJQ+mvNL4qwW1v7uoDn+JMJWVBcDcw51MoqRgEb/o6m\n\tZv7BqCTNWXg+7wpWmWPszL7wtFnYNO3NZpdcoiA8=","Reply-To":"kieran.bingham@ideasonboard.com","To":"Jacopo Mondi , libcamera-devel@lists.libcamera.org","References":"<20200309180444.725757-1-jacopo@jmondi.org>\n\t<20200309180444.725757-3-jacopo@jmondi.org>","From":"Kieran Bingham ","Openpgp":"preference=signencrypt","Autocrypt":"addr=kieran.bingham@ideasonboard.com; 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Linux x86_64; rv:60.0) Gecko/20100101\n\tThunderbird/60.9.1","MIME-Version":"1.0","In-Reply-To":"<20200309180444.725757-3-jacopo@jmondi.org>","Content-Type":"text/plain; charset=utf-8","Content-Language":"en-GB","Content-Transfer-Encoding":"8bit","Subject":"Re: [libcamera-devel] [PATCH v3 2/6] libcamera: properties: Define\n\t'lens' properties","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":"Tue, 24 Mar 2020 14:13:46 -0000"}}]