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{ "id": 10704, "url": "https://patchwork.libcamera.org/api/1.1/patches/10704/?format=api", "web_url": "https://patchwork.libcamera.org/patch/10704/", "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": "<20201223174709.45457-4-jacopo@jmondi.org>", "date": "2020-12-23T17:47:06", "name": "[libcamera-devel,3/6] libcamera: bayer_format: Add support for mbus codes", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "993033345657be42c65c02c1a3eb4ee724146841", "submitter": { "id": 3, "url": "https://patchwork.libcamera.org/api/1.1/people/3/?format=api", "name": "Jacopo Mondi", "email": "jacopo@jmondi.org" }, "delegate": { "id": 15, "url": "https://patchwork.libcamera.org/api/1.1/users/15/?format=api", "username": "jmondi", "first_name": "Jacopo", "last_name": "Mondi", "email": "jacopo@jmondi.org" }, "mbox": "https://patchwork.libcamera.org/patch/10704/mbox/", "series": [ { "id": 1544, "url": "https://patchwork.libcamera.org/api/1.1/series/1544/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1544", "date": "2020-12-23T17:47:03", "name": "android: support ColorFilterArrangement property", "version": 1, "mbox": "https://patchwork.libcamera.org/series/1544/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/10704/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/10704/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 F3DE3C0F1B\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 23 Dec 2020 17:47:06 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 8020D62000;\n\tWed, 23 Dec 2020 18:47:06 +0100 (CET)", "from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net\n\t[217.70.183.199])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 1B4AF6158A\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 23 Dec 2020 18:47:04 +0100 (CET)", "from uno.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay9-d.mail.gandi.net (Postfix) with ESMTPSA id D275EFF806\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 23 Dec 2020 17:47:03 +0000 (UTC)" ], "X-Originating-IP": "2.224.242.101", "From": "Jacopo Mondi <jacopo@jmondi.org>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Wed, 23 Dec 2020 18:47:06 +0100", "Message-Id": "<20201223174709.45457-4-jacopo@jmondi.org>", "X-Mailer": "git-send-email 2.29.2", "In-Reply-To": "<20201223174709.45457-1-jacopo@jmondi.org>", "References": "<20201223174709.45457-1-jacopo@jmondi.org>", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [PATCH 3/6] libcamera: bayer_format: Add support\n\tfor mbus codes", "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 existing implementation of the BayerFormat class supports\nconverting a V4L2PixelFormat to a BayerFormat and vice-versa.\n\nExpand the class by adding support for converting a media bus code\nto a BayerFormat instance, by providing a conversion table and a\ndedicated static methods.\n\nDo not provide support for converting a BayerFormat to a media bus code\nas the feature is currently not required.\n\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n include/libcamera/internal/bayer_format.h | 1 +\n src/libcamera/bayer_format.cpp | 55 +++++++++++++++++++++++\n 2 files changed, 56 insertions(+)", "diff": "diff --git a/include/libcamera/internal/bayer_format.h b/include/libcamera/internal/bayer_format.h\nindex 4280b76b016f..dc86f6ee3aca 100644\n--- a/include/libcamera/internal/bayer_format.h\n+++ b/include/libcamera/internal/bayer_format.h\n@@ -43,6 +43,7 @@ public:\n \t}\n \n \texplicit BayerFormat(V4L2PixelFormat v4l2Format);\n+\tstatic const BayerFormat &fromMbusCode(unsigned int mbusCode);\n \tbool isValid() const { return bitDepth != 0; }\n \n \tstd::string toString() const;\ndiff --git a/src/libcamera/bayer_format.cpp b/src/libcamera/bayer_format.cpp\nindex c42792ff1948..c2c91ce8b6da 100644\n--- a/src/libcamera/bayer_format.cpp\n+++ b/src/libcamera/bayer_format.cpp\n@@ -8,6 +8,9 @@\n #include \"libcamera/internal/bayer_format.h\"\n \n #include <map>\n+#include <unordered_map>\n+\n+#include <linux/media-bus-format.h>\n \n #include <libcamera/transform.h>\n \n@@ -140,6 +143,41 @@ const std::map<BayerFormat, V4L2PixelFormat, BayerFormatComparator> bayerToV4l2{\n \t{ { BayerFormat::RGGB, 16, BayerFormat::None }, V4L2PixelFormat(V4L2_PIX_FMT_SRGGB16) },\n };\n \n+const std::unordered_map<unsigned int, BayerFormat> mbusCodeToBayer{\n+\t{ MEDIA_BUS_FMT_SBGGR8_1X8, { BayerFormat::BGGR, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGBRG8_1X8, { BayerFormat::GBRG, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGRBG8_1X8, { BayerFormat::GRBG, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SRGGB8_1X8, { BayerFormat::RGGB, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR10_ALAW8_1X8, { BayerFormat::BGGR, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGBRG10_ALAW8_1X8, { BayerFormat::GBRG, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGRBG10_ALAW8_1X8, { BayerFormat::GRBG, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SRGGB10_ALAW8_1X8, { BayerFormat::RGGB, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8, { BayerFormat::BGGR, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8, { BayerFormat::GBRG, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8, { BayerFormat::GRBG, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8, { BayerFormat::RGGB, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_BE, { BayerFormat::BGGR, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE, { BayerFormat::BGGR, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_BE, { BayerFormat::BGGR, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_LE, { BayerFormat::BGGR, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR10_1X10, { BayerFormat::BGGR, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGBRG10_1X10, { BayerFormat::GBRG, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGRBG10_1X10, { BayerFormat::GRBG, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SRGGB10_1X10, { BayerFormat::RGGB, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR12_1X12, { BayerFormat::BGGR, 12, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGBRG12_1X12, { BayerFormat::GBRG, 12, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGRBG12_1X12, { BayerFormat::GRBG, 12, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SRGGB12_1X12, { BayerFormat::RGGB, 12, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR14_1X14, { BayerFormat::BGGR, 14, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGBRG14_1X14, { BayerFormat::GBRG, 14, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGRBG14_1X14, { BayerFormat::GRBG, 14, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SRGGB14_1X14, { BayerFormat::RGGB, 14, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR16_1X16, { BayerFormat::BGGR, 16, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGBRG16_1X16, { BayerFormat::GBRG, 16, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGRBG16_1X16, { BayerFormat::GRBG, 16, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SRGGB16_1X16, { BayerFormat::RGGB, 16, BayerFormat::None } },\n+};\n+\n } /* namespace */\n \n /**\n@@ -169,6 +207,23 @@ BayerFormat::BayerFormat(V4L2PixelFormat v4l2Format)\n \t\t*this = it->second;\n }\n \n+/**\n+ * \\brief Retrieve the BayerFormat associated to a media bus code\n+ * \\param[in] mbusCode The media bus code to convert into a BayerFormat\n+ *\n+ * The media bus code numeric identifiers are defined by the V4L2 specification.\n+ */\n+const BayerFormat &BayerFormat::fromMbusCode(unsigned int mbusCode)\n+{\n+\tstatic BayerFormat empty;\n+\n+\tconst auto it = mbusCodeToBayer.find(mbusCode);\n+\tif (it == mbusCodeToBayer.end())\n+\t\treturn empty;\n+\telse\n+\t\treturn it->second;\n+}\n+\n /**\n * \\fn BayerFormat::isValid()\n * \\brief Return whether a BayerFormat is valid\n", "prefixes": [ "libcamera-devel", "3/6" ] }