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{ "id": 13775, "url": "https://patchwork.libcamera.org/api/patches/13775/?format=api", "web_url": "https://patchwork.libcamera.org/patch/13775/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/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": "<20210909080902.239533-5-paul.elder@ideasonboard.com>", "date": "2021-09-09T08:08:59", "name": "[libcamera-devel,v3,4/7] libcamera: v4l2_pixelformat: Add helper function to get the description", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "88a378a24df90a69cb6e13209b06db606651cfdc", "submitter": { "id": 17, "url": "https://patchwork.libcamera.org/api/people/17/?format=api", "name": "Paul Elder", "email": "paul.elder@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/13775/mbox/", "series": [ { "id": 2502, "url": "https://patchwork.libcamera.org/api/series/2502/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2502", "date": "2021-09-09T08:08:55", "name": "v4l2-compat fixes", "version": 3, "mbox": "https://patchwork.libcamera.org/series/2502/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/13775/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/13775/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 DFCC9BDC71\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 9 Sep 2021 08:09:22 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id A223169178;\n\tThu, 9 Sep 2021 10:09:22 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 8CEB469177\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 9 Sep 2021 10:09:21 +0200 (CEST)", "from pyrite.rasen.tech (unknown\n\t[IPv6:2400:4051:61:600:2c71:1b79:d06d:5032])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 0307C24F;\n\tThu, 9 Sep 2021 10:09:19 +0200 (CEST)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"nXv04fz6\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1631174961;\n\tbh=kcl1JC+vWPyfwvqCjoA5NVVXXDkUDuFfoOec44dSbvo=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=nXv04fz6yrAVpiDW1WnCQet0FN13/hQ5sXdige9ssjfliYjhsxVNa68J3rYC+xT8l\n\tlCIL7pRgSjQcX9arJiywxb+vmEJd9CxgI2fWrWBj9wErnTDZ9uFIL0dFWdm0aclzDi\n\tc9XNUwEYpELORBO0Tyd+epQ3n9YMWV94CtuWz11E=", "From": "Paul Elder <paul.elder@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Thu, 9 Sep 2021 17:08:59 +0900", "Message-Id": "<20210909080902.239533-5-paul.elder@ideasonboard.com>", "X-Mailer": "git-send-email 2.27.0", "In-Reply-To": "<20210909080902.239533-1-paul.elder@ideasonboard.com>", "References": "<20210909080902.239533-1-paul.elder@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v3 4/7] libcamera: v4l2_pixelformat: Add\n\thelper function to get the description", "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>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Add a helper function to V4L2PixelFormat for retrieving the V4L2\ndescription string.\n\nSigned-off-by: Paul Elder <paul.elder@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n include/libcamera/internal/v4l2_pixelformat.h | 1 +\n src/libcamera/v4l2_pixelformat.cpp | 21 +++++++++++++++++++\n 2 files changed, 22 insertions(+)", "diff": "diff --git a/include/libcamera/internal/v4l2_pixelformat.h b/include/libcamera/internal/v4l2_pixelformat.h\nindex 87872542..e3cda699 100644\n--- a/include/libcamera/internal/v4l2_pixelformat.h\n+++ b/include/libcamera/internal/v4l2_pixelformat.h\n@@ -40,6 +40,7 @@ public:\n \toperator uint32_t() const { return fourcc_; }\n \n \tstd::string toString() const;\n+\tconst char *description() const;\n \n \tPixelFormat toPixelFormat() const;\n \tstatic V4L2PixelFormat fromPixelFormat(const PixelFormat &pixelFormat,\ndiff --git a/src/libcamera/v4l2_pixelformat.cpp b/src/libcamera/v4l2_pixelformat.cpp\nindex 2c8167a7..fed31238 100644\n--- a/src/libcamera/v4l2_pixelformat.cpp\n+++ b/src/libcamera/v4l2_pixelformat.cpp\n@@ -250,6 +250,27 @@ std::string V4L2PixelFormat::toString() const\n \treturn ss;\n }\n \n+/**\n+ * \\brief Retrieve the V4L2 description for the format\n+ *\n+ * The description matches the value used by the kernel, as would be reported\n+ * by the VIDIOC_ENUM_FMT ioctl.\n+ *\n+ * \\return The V4L2 description corresponding to the V4L2 format\n+ */\n+const char *V4L2PixelFormat::description() const\n+{\n+\tconst auto iter = vpf2pf.find(*this);\n+\tif (iter == vpf2pf.end()) {\n+\t\tLOG(V4L2, Warning)\n+\t\t\t<< \"Unsupported V4L2 pixel format \"\n+\t\t\t<< toString();\n+\t\treturn \"Unsupported format\";\n+\t}\n+\n+\treturn iter->second.description;\n+}\n+\n /**\n * \\brief Convert the V4L2 pixel format to the corresponding PixelFormat\n * \\return The PixelFormat corresponding to the V4L2 pixel format\n", "prefixes": [ "libcamera-devel", "v3", "4/7" ] }