From patchwork Wed Dec 23 17:47:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 10704 X-Patchwork-Delegate: jacopo@jmondi.org Return-Path: X-Original-To: parsemail@patchwork.libcamera.org Delivered-To: parsemail@patchwork.libcamera.org Received: from lancelot.ideasonboard.com (lancelot.ideasonboard.com [92.243.16.209]) by patchwork.libcamera.org (Postfix) with ESMTPS id F3DE3C0F1B for ; Wed, 23 Dec 2020 17:47:06 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id 8020D62000; Wed, 23 Dec 2020 18:47:06 +0100 (CET) Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 1B4AF6158A for ; Wed, 23 Dec 2020 18:47:04 +0100 (CET) X-Originating-IP: 2.224.242.101 Received: from uno.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101]) (Authenticated sender: jacopo@jmondi.org) by relay9-d.mail.gandi.net (Postfix) with ESMTPSA id D275EFF806 for ; Wed, 23 Dec 2020 17:47:03 +0000 (UTC) From: Jacopo Mondi 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 for mbus codes X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" The existing implementation of the BayerFormat class supports converting a V4L2PixelFormat to a BayerFormat and vice-versa. Expand the class by adding support for converting a media bus code to a BayerFormat instance, by providing a conversion table and a dedicated static methods. Do not provide support for converting a BayerFormat to a media bus code as the feature is currently not required. Signed-off-by: Jacopo Mondi Reviewed-by: Niklas Söderlund Reviewed-by: Laurent Pinchart --- include/libcamera/internal/bayer_format.h | 1 + src/libcamera/bayer_format.cpp | 55 +++++++++++++++++++++++ 2 files changed, 56 insertions(+) diff --git a/include/libcamera/internal/bayer_format.h b/include/libcamera/internal/bayer_format.h index 4280b76b016f..dc86f6ee3aca 100644 --- a/include/libcamera/internal/bayer_format.h +++ b/include/libcamera/internal/bayer_format.h @@ -43,6 +43,7 @@ public: } explicit BayerFormat(V4L2PixelFormat v4l2Format); + static const BayerFormat &fromMbusCode(unsigned int mbusCode); bool isValid() const { return bitDepth != 0; } std::string toString() const; diff --git a/src/libcamera/bayer_format.cpp b/src/libcamera/bayer_format.cpp index c42792ff1948..c2c91ce8b6da 100644 --- a/src/libcamera/bayer_format.cpp +++ b/src/libcamera/bayer_format.cpp @@ -8,6 +8,9 @@ #include "libcamera/internal/bayer_format.h" #include +#include + +#include #include @@ -140,6 +143,41 @@ const std::map bayerToV4l2{ { { BayerFormat::RGGB, 16, BayerFormat::None }, V4L2PixelFormat(V4L2_PIX_FMT_SRGGB16) }, }; +const std::unordered_map mbusCodeToBayer{ + { MEDIA_BUS_FMT_SBGGR8_1X8, { BayerFormat::BGGR, 8, BayerFormat::None } }, + { MEDIA_BUS_FMT_SGBRG8_1X8, { BayerFormat::GBRG, 8, BayerFormat::None } }, + { MEDIA_BUS_FMT_SGRBG8_1X8, { BayerFormat::GRBG, 8, BayerFormat::None } }, + { MEDIA_BUS_FMT_SRGGB8_1X8, { BayerFormat::RGGB, 8, BayerFormat::None } }, + { MEDIA_BUS_FMT_SBGGR10_ALAW8_1X8, { BayerFormat::BGGR, 8, BayerFormat::None } }, + { MEDIA_BUS_FMT_SGBRG10_ALAW8_1X8, { BayerFormat::GBRG, 8, BayerFormat::None } }, + { MEDIA_BUS_FMT_SGRBG10_ALAW8_1X8, { BayerFormat::GRBG, 8, BayerFormat::None } }, + { MEDIA_BUS_FMT_SRGGB10_ALAW8_1X8, { BayerFormat::RGGB, 8, BayerFormat::None } }, + { MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8, { BayerFormat::BGGR, 8, BayerFormat::None } }, + { MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8, { BayerFormat::GBRG, 8, BayerFormat::None } }, + { MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8, { BayerFormat::GRBG, 8, BayerFormat::None } }, + { MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8, { BayerFormat::RGGB, 8, BayerFormat::None } }, + { MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_BE, { BayerFormat::BGGR, 10, BayerFormat::None } }, + { MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE, { BayerFormat::BGGR, 10, BayerFormat::None } }, + { MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_BE, { BayerFormat::BGGR, 10, BayerFormat::None } }, + { MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_LE, { BayerFormat::BGGR, 10, BayerFormat::None } }, + { MEDIA_BUS_FMT_SBGGR10_1X10, { BayerFormat::BGGR, 10, BayerFormat::None } }, + { MEDIA_BUS_FMT_SGBRG10_1X10, { BayerFormat::GBRG, 10, BayerFormat::None } }, + { MEDIA_BUS_FMT_SGRBG10_1X10, { BayerFormat::GRBG, 10, BayerFormat::None } }, + { MEDIA_BUS_FMT_SRGGB10_1X10, { BayerFormat::RGGB, 10, BayerFormat::None } }, + { MEDIA_BUS_FMT_SBGGR12_1X12, { BayerFormat::BGGR, 12, BayerFormat::None } }, + { MEDIA_BUS_FMT_SGBRG12_1X12, { BayerFormat::GBRG, 12, BayerFormat::None } }, + { MEDIA_BUS_FMT_SGRBG12_1X12, { BayerFormat::GRBG, 12, BayerFormat::None } }, + { MEDIA_BUS_FMT_SRGGB12_1X12, { BayerFormat::RGGB, 12, BayerFormat::None } }, + { MEDIA_BUS_FMT_SBGGR14_1X14, { BayerFormat::BGGR, 14, BayerFormat::None } }, + { MEDIA_BUS_FMT_SGBRG14_1X14, { BayerFormat::GBRG, 14, BayerFormat::None } }, + { MEDIA_BUS_FMT_SGRBG14_1X14, { BayerFormat::GRBG, 14, BayerFormat::None } }, + { MEDIA_BUS_FMT_SRGGB14_1X14, { BayerFormat::RGGB, 14, BayerFormat::None } }, + { MEDIA_BUS_FMT_SBGGR16_1X16, { BayerFormat::BGGR, 16, BayerFormat::None } }, + { MEDIA_BUS_FMT_SGBRG16_1X16, { BayerFormat::GBRG, 16, BayerFormat::None } }, + { MEDIA_BUS_FMT_SGRBG16_1X16, { BayerFormat::GRBG, 16, BayerFormat::None } }, + { MEDIA_BUS_FMT_SRGGB16_1X16, { BayerFormat::RGGB, 16, BayerFormat::None } }, +}; + } /* namespace */ /** @@ -169,6 +207,23 @@ BayerFormat::BayerFormat(V4L2PixelFormat v4l2Format) *this = it->second; } +/** + * \brief Retrieve the BayerFormat associated to a media bus code + * \param[in] mbusCode The media bus code to convert into a BayerFormat + * + * The media bus code numeric identifiers are defined by the V4L2 specification. + */ +const BayerFormat &BayerFormat::fromMbusCode(unsigned int mbusCode) +{ + static BayerFormat empty; + + const auto it = mbusCodeToBayer.find(mbusCode); + if (it == mbusCodeToBayer.end()) + return empty; + else + return it->second; +} + /** * \fn BayerFormat::isValid() * \brief Return whether a BayerFormat is valid