{"id":20652,"url":"https://patchwork.libcamera.org/api/1.1/patches/20652/?format=json","web_url":"https://patchwork.libcamera.org/patch/20652/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20240712052920.33396-5-umang.jain@ideasonboard.com>","date":"2024-07-12T05:29:18","name":"[RFC,4/6] libcamera: converter_v4l2_m2m: Add vertex mapping class","commit_ref":null,"pull_url":null,"state":"not-applicable","archived":false,"hash":"1df433f9e5d7c7eaf6ca004ebc062d78ba6163f8","submitter":{"id":86,"url":"https://patchwork.libcamera.org/api/1.1/people/86/?format=json","name":"Umang Jain","email":"umang.jain@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/20652/mbox/","series":[{"id":4451,"url":"https://patchwork.libcamera.org/api/1.1/series/4451/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=4451","date":"2024-07-12T05:29:14","name":"converter_dw100: Add vertex map support","version":1,"mbox":"https://patchwork.libcamera.org/series/4451/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/20652/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/20652/checks/","tags":{},"headers":{"Return-Path":"","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 73305BDB1C\n\tfor ;\n\tFri, 12 Jul 2024 05:29:48 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 1542163380;\n\tFri, 12 Jul 2024 07:29:47 +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 03EF063375\n\tfor ;\n\tFri, 12 Jul 2024 07:29:38 +0200 (CEST)","from localhost.localdomain (unknown\n\t[IPv6:2405:201:2015:f873:55f8:639e:8e9f:12ec])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id DAE1CCC8;\n\tFri, 12 Jul 2024 07:29:02 +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=\"vJzcLdMr\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1720762143;\n\tbh=5tqWoobuZgvPGY3SNqsGS28koWPuZHeYd+jVzUHZLds=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=vJzcLdMrPJ8FlT4vR7+r25ypRfYj8SCVrN47h0PXLgvY+Q7MUL391GpxSzQVz7Z3S\n\tfQlhJS0Bs9QML3VPg/r/RO1P5JDeKhc4vRiUtorTRWL+JNux0No3oDucQ4he5iSNgO\n\tQr/DDRHAeT1VrSQ0KOEJumH0xSOHSW1mDWwn1orE=","From":"Umang Jain ","To":"libcamera-devel@lists.libcamera.org","Cc":"Xavier Roumegue ,\n\tUmang Jain ","Subject":"[RFC PATCH 4/6] libcamera: converter_v4l2_m2m: Add vertex mapping\n\tclass","Date":"Fri, 12 Jul 2024 10:59:18 +0530","Message-ID":"<20240712052920.33396-5-umang.jain@ideasonboard.com>","X-Mailer":"git-send-email 2.45.0","In-Reply-To":"<20240712052920.33396-1-umang.jain@ideasonboard.com>","References":"<20240712052920.33396-1-umang.jain@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":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Add a vertex mapping protected class to V4L2M2M converter class.\nInstances of this class will store a dewarp vertex mappings along\nwith their input/output configuration.\n\nAdd a vector of Mapping class and applyMapping() helper as well,\nto apply relevant mappings to V4L2Stream. ConverterDW100 will\nuse this helper to set vertex maps, in subsequent patch.\n\nSigned-off-by: Umang Jain \n---\n .../internal/converter/converter_v4l2_m2m.h | 20 +++++++++++++++++++\n 1 file changed, 20 insertions(+)","diff":"diff --git a/include/libcamera/internal/converter/converter_v4l2_m2m.h b/include/libcamera/internal/converter/converter_v4l2_m2m.h\nindex 2697eed9..f61beef8 100644\n--- a/include/libcamera/internal/converter/converter_v4l2_m2m.h\n+++ b/include/libcamera/internal/converter/converter_v4l2_m2m.h\n@@ -61,6 +61,26 @@ public:\n \tint setCrop(const Stream *stream, Rectangle *rect);\n \tstd::pair getCropBounds(const Stream *stream);\n \n+protected:\n+\tclass Mapping\n+\t{\n+\tpublic:\n+\t\tMapping(const Size &input, const Size &output, const std::vector &map)\n+\t\t\t: input_(input), output_(output), map_(map) {}\n+\t\tSize inputSize() const { return input_; }\n+\t\tSize outputSize() const { return output_; }\n+\t\tstd::size_t size() const { return map_.size(); }\n+\t\tconst uint32_t *mapping() const { return map_.data(); }\n+\n+\tprivate:\n+\t\tSize input_;\n+\t\tSize output_;\n+\t\tstd::vector map_;\n+\t};\n+\n+\tint applyMapping(const Stream *stream, Mapping &mapping);\n+\tstd::vector mappings_;\n+\n private:\n \tclass V4L2M2MStream : protected Loggable\n \t{\n","prefixes":["RFC","4/6"]}