Patch Detail
Show a patch.
GET /api/1.1/patches/24746/?format=api
{ "id": 24746, "url": "https://patchwork.libcamera.org/api/1.1/patches/24746/?format=api", "web_url": "https://patchwork.libcamera.org/patch/24746/", "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": "<20251023144841.403689-20-stefan.klug@ideasonboard.com>", "date": "2025-10-23T14:48:20", "name": "[v2,19/35] libcamera: converter: Add dw100 converter class", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "5067ae166b197cd2ad03ce185e6f671e385c423e", "submitter": { "id": 184, "url": "https://patchwork.libcamera.org/api/1.1/people/184/?format=api", "name": "Stefan Klug", "email": "stefan.klug@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/24746/mbox/", "series": [ { "id": 5520, "url": "https://patchwork.libcamera.org/api/1.1/series/5520/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5520", "date": "2025-10-23T14:48:01", "name": "Full dewarper support on imx8mp", "version": 2, "mbox": "https://patchwork.libcamera.org/series/5520/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/24746/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/24746/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 B7B4EC333D\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 23 Oct 2025 14:49:45 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 3BFCD60827;\n\tThu, 23 Oct 2025 16:49:45 +0200 (CEST)", "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 B0E2F6081B\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 23 Oct 2025 16:49:43 +0200 (CEST)", "from ideasonboard.com (unknown\n\t[IPv6:2a00:6020:448c:6c00:7328:357b:4ce1:72b6])\n\tby perceval.ideasonboard.com (Postfix) with UTF8SMTPSA id BB8D0177F; \n\tThu, 23 Oct 2025 16:47:58 +0200 (CEST)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"Qk28LQCt\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1761230878;\n\tbh=swYmmu87kl8GkVUrs4QNf1ckrkILpGD5Fx54UnIycSA=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=Qk28LQCt487Y6ToVxr4Ezl1MhvzuprcD/2BOEPAjsAn1UTTY0CAsfZfewgU3yQ+UQ\n\tc/+MkC0X7yd/Gtt2gzqlkCpIWAEqOcWqStMdyiMQvZnv6Yz+61SteYGJwdC1H2Hv3g\n\tj5QSLLqP0B4b8fyyxVBY94MVxPlBTL3gisBjUbXA=", "From": "Stefan Klug <stefan.klug@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Stefan Klug <stefan.klug@ideasonboard.com>,\n\tUmang Jain <umang.jain@ideasonboard.com>,\n\tPaul Elder <paul.elder@ideasonboard.com>", "Subject": "[PATCH v2 19/35] libcamera: converter: Add dw100 converter class", "Date": "Thu, 23 Oct 2025 16:48:20 +0200", "Message-ID": "<20251023144841.403689-20-stefan.klug@ideasonboard.com>", "X-Mailer": "git-send-email 2.48.1", "In-Reply-To": "<20251023144841.403689-1-stefan.klug@ideasonboard.com>", "References": "<20251023144841.403689-1-stefan.klug@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "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": "From: Umang Jain <umang.jain@ideasonboard.com>\n\nDW100 Dewarp engine is present on i.MX8MP SoC. This patch\nprovides a dedicated converter class (inherited from V4L2M2MConverter).\n\nThe DW100 dewarp engine has scaling capabilites and can be used\nto set crop rectangles in the rkisp1 pipeline handler. Plumbing\nin the RkISP1 pipeline-handler is done in the subsequent patch.\n\nThe ConverterDW100 class will be extended by upcoming patches to support\nthe dewarping by setting a dewarp vertex map as well.\n\nSigned-off-by: Umang Jain <umang.jain@ideasonboard.com>\nReviewed-by: Paul Elder <paul.elder@ideasonboard.com>\nSigned-off-by: Stefan Klug <stefan.klug@ideasonboard.com>\n\n---\n\nChanges in v2:\n- Drop validateSize() as it is not used anywhere\n\nChanges in v0.9\n- Use shared_ptr in constructor\n---\n .../internal/converter/converter_dw100.h | 24 ++++++++++++\n .../libcamera/internal/converter/meson.build | 1 +\n src/libcamera/converter/converter_dw100.cpp | 37 +++++++++++++++++++\n src/libcamera/converter/meson.build | 1 +\n 4 files changed, 63 insertions(+)\n create mode 100644 include/libcamera/internal/converter/converter_dw100.h\n create mode 100644 src/libcamera/converter/converter_dw100.cpp", "diff": "diff --git a/include/libcamera/internal/converter/converter_dw100.h b/include/libcamera/internal/converter/converter_dw100.h\nnew file mode 100644\nindex 000000000000..dc41f365b5c7\n--- /dev/null\n+++ b/include/libcamera/internal/converter/converter_dw100.h\n@@ -0,0 +1,24 @@\n+/* SPDX-License-Identifier: GPL-2.0-or-later */\n+/*\n+ * Copyright (C) 2024, Ideas On Board Oy\n+ *\n+ * i.MX8MP Dewarp Engine integration\n+ */\n+\n+#pragma once\n+\n+#include \"libcamera/internal/converter/converter_v4l2_m2m.h\"\n+\n+namespace libcamera {\n+\n+class MediaDevice;\n+class Rectangle;\n+class Stream;\n+\n+class ConverterDW100 : public V4L2M2MConverter\n+{\n+public:\n+\tConverterDW100(std::shared_ptr<MediaDevice> media);\n+};\n+\n+} /* namespace libcamera */\ndiff --git a/include/libcamera/internal/converter/meson.build b/include/libcamera/internal/converter/meson.build\nindex 891e79e7d493..85007a4b0f8b 100644\n--- a/include/libcamera/internal/converter/meson.build\n+++ b/include/libcamera/internal/converter/meson.build\n@@ -1,5 +1,6 @@\n # SPDX-License-Identifier: CC0-1.0\n \n libcamera_internal_headers += files([\n+ 'converter_dw100.h',\n 'converter_v4l2_m2m.h',\n ])\ndiff --git a/src/libcamera/converter/converter_dw100.cpp b/src/libcamera/converter/converter_dw100.cpp\nnew file mode 100644\nindex 000000000000..1d2d0435b08e\n--- /dev/null\n+++ b/src/libcamera/converter/converter_dw100.cpp\n@@ -0,0 +1,37 @@\n+/* SPDX-License-Identifier: GPL-2.0-or-later */\n+/*\n+ * Copyright (C) 2024, Ideas On Board Oy\n+ *\n+ * i.MX8MP Dewarp Engine integration\n+ */\n+\n+#include \"libcamera/internal/converter/converter_dw100.h\"\n+\n+#include <libcamera/base/log.h>\n+\n+#include <libcamera/geometry.h>\n+\n+#include \"libcamera/internal/media_device.h\"\n+#include \"libcamera/internal/v4l2_videodevice.h\"\n+\n+namespace libcamera {\n+\n+LOG_DECLARE_CATEGORY(Converter)\n+\n+/**\n+ * \\class libcamera::ConverterDW100\n+ * \\brief The i.MX8MP dewarp converter implements the converter interface based\n+ * on V4L2 M2M device.\n+*/\n+\n+/**\n+ * \\fn ConverterDW100::ConverterDW100\n+ * \\brief Construct a ConverterDW100 instance\n+ * \\param[in] media The media device implementing the converter\n+ */\n+ConverterDW100::ConverterDW100(std::shared_ptr<MediaDevice> media)\n+\t: V4L2M2MConverter(media)\n+{\n+}\n+\n+} /* namespace libcamera */\ndiff --git a/src/libcamera/converter/meson.build b/src/libcamera/converter/meson.build\nindex af1a80fec683..fe2dcebb67da 100644\n--- a/src/libcamera/converter/meson.build\n+++ b/src/libcamera/converter/meson.build\n@@ -1,5 +1,6 @@\n # SPDX-License-Identifier: CC0-1.0\n \n libcamera_internal_sources += files([\n+ 'converter_dw100.cpp',\n 'converter_v4l2_m2m.cpp'\n ])\n", "prefixes": [ "v2", "19/35" ] }