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{ "id": 25263, "url": "https://patchwork.libcamera.org/api/1.1/patches/25263/?format=api", "web_url": "https://patchwork.libcamera.org/patch/25263/", "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": "<20251127154519.2038844-2-antoine.bouyer@nxp.com>", "date": "2025-11-27T15:45:17", "name": "[v3,1/2] libamera: media_pipeline: Add accessor for MediaPipeline list of entities", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "ec3f714e03d148f66d812053053c533269cd9bad", "submitter": { "id": 218, "url": "https://patchwork.libcamera.org/api/1.1/people/218/?format=api", "name": "Antoine Bouyer", "email": "antoine.bouyer@nxp.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/25263/mbox/", "series": [ { "id": 5618, "url": "https://patchwork.libcamera.org/api/1.1/series/5618/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5618", "date": "2025-11-27T15:45:16", "name": "imx8-isi: Use MediaPipeline", "version": 3, "mbox": "https://patchwork.libcamera.org/series/5618/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/25263/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/25263/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 56765C3257\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 27 Nov 2025 15:43:41 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 01E1660A8B;\n\tThu, 27 Nov 2025 16:43:41 +0100 (CET)", "from DB3PR0202CU003.outbound.protection.outlook.com\n\t(mail-northeuropeazlp170100001.outbound.protection.outlook.com\n\t[IPv6:2a01:111:f403:c200::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 0FE99609DE\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 27 Nov 2025 16:43:40 +0100 (CET)", "from GVXPR04MB9831.eurprd04.prod.outlook.com (2603:10a6:150:11c::8)\n\tby PR3PR04MB7372.eurprd04.prod.outlook.com (2603:10a6:102:80::18)\n\twith Microsoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9366.13;\n\tThu, 27 Nov 2025 15:43:38 +0000", "from GVXPR04MB9831.eurprd04.prod.outlook.com\n\t([fe80::4634:3d9c:c4a:641a]) by\n\tGVXPR04MB9831.eurprd04.prod.outlook.com\n\t([fe80::4634:3d9c:c4a:641a%6]) with mapi id 15.20.9366.009;\n\tThu, 27 Nov 2025 15:43:38 +0000" ], "Authentication-Results": [ "lancelot.ideasonboard.com; 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mx.microsoft.com 1; spf=pass\n\tsmtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com;\n\tdkim=pass header.d=nxp.com; arc=none", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1;\n\th=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n\tbh=Z9PLhjHueBpnxxQO7TX9nxeB/ptvoO+Zse7m66cYjYc=;\n\tb=DKjNUqiilv32QnV1jmwyo+zhYXY3K2Edo35cInIVy7QA28PFRWRvQ7pRHtDS1XjxIu4mNT6vThG5x1ZWpXGudGYSCfI6gkQJ/8jwITA9EIS387zySF6dfObDeqJ+57duwxaLcnOEcsEbvQvc9yWFIGyHj+lSJr9tKjXi4T06nTodpuQqzMU1WR7gIsN5mmlOzJzdU6P0XMIVSckY8lqerZLYAsspQ2TU0LO9PxVS4l+fSiOx/jLn0sNXUdn8HBbTm/BWw3f1L5yIhDKro4jCx/R1KHBGTpUrNCGpxVWfK9RfvvHaQhGv1qlbLsGAg16+h984HboBMQ+Omrygwx4gHg==", "From": "Antoine Bouyer <antoine.bouyer@nxp.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "julien.vuillaumier@nxp.com, jacopo.mondi@ideasonboard.com,\n\tbarnabas.pocze@ideasonboard.com, isaac.scott@ideasonboard.com,\n\tAndrei Gansari <andrei.gansari@nxp.com>,\n\tAntoine Bouyer <antoine.bouyer@nxp.com>", "Subject": "[PATCH v3 1/2] libamera: media_pipeline: Add accessor for\n\tMediaPipeline list of entities", "Date": "Thu, 27 Nov 2025 16:45:17 +0100", "Message-ID": "<20251127154519.2038844-2-antoine.bouyer@nxp.com>", "X-Mailer": "git-send-email 2.51.2", "In-Reply-To": "<20251127154519.2038844-1-antoine.bouyer@nxp.com>", "References": "<20251127154519.2038844-1-antoine.bouyer@nxp.com>", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-ClientProxiedBy": "SJ0PR05CA0173.namprd05.prod.outlook.com\n\t(2603:10b6:a03:339::28) To GVXPR04MB9831.eurprd04.prod.outlook.com\n\t(2603:10a6:150:11c::8)", "MIME-Version": "1.0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "GVXPR04MB9831:EE_|PR3PR04MB7372:EE_", "X-MS-Office365-Filtering-Correlation-Id": "bafb26e7-6ed7-4548-7f29-08de2dcbbbbe", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;\n\tARA:13230040|1800799024|366016|19092799006|376014|52116014|38350700014;", "X-Microsoft-Antispam-Message-Info": "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", "X-Forefront-Antispam-Report": "CIP:255.255.255.255; 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Then it is still protected so as when the list was private.\n\nSince MediaPipeline::Entity needs also to be moved to public, then need to\nadd some documentation in cpp source. Existing documentation from header\nfile is applied when available.\n\nSigned-off-by: Andrei Gansari <andrei.gansari@nxp.com>\nSigned-off-by: Antoine Bouyer <antoine.bouyer@nxp.com>\nReviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>\n---\n include/libcamera/internal/media_pipeline.h | 29 ++++---------\n src/libcamera/media_pipeline.cpp | 46 +++++++++++++++++++++\n 2 files changed, 53 insertions(+), 22 deletions(-)", "diff": "diff --git a/include/libcamera/internal/media_pipeline.h b/include/libcamera/internal/media_pipeline.h\nindex a7a4b8c559cd..f62e3e8c58b0 100644\n--- a/include/libcamera/internal/media_pipeline.h\n+++ b/include/libcamera/internal/media_pipeline.h\n@@ -23,36 +23,21 @@ struct V4L2SubdeviceFormat;\n class MediaPipeline\n {\n public:\n-\tint init(MediaEntity *source, std::string_view sink);\n-\tint initLinks();\n-\tint configure(CameraSensor *sensor, V4L2SubdeviceFormat *);\n-\n-private:\n \tstruct Entity {\n-\t\t/* The media entity, always valid. */\n \t\tMediaEntity *entity;\n-\t\t/*\n-\t\t * Whether or not the entity is a subdev that supports the\n-\t\t * routing API.\n-\t\t */\n \t\tbool supportsRouting;\n-\t\t/*\n-\t\t * The local sink pad connected to the upstream entity, null for\n-\t\t * the camera sensor at the beginning of the pipeline.\n-\t\t */\n \t\tconst MediaPad *sink;\n-\t\t/*\n-\t\t * The local source pad connected to the downstream entity, null\n-\t\t * for the video node at the end of the pipeline.\n-\t\t */\n \t\tconst MediaPad *source;\n-\t\t/*\n-\t\t * The link on the source pad, to the downstream entity, null\n-\t\t * for the video node at the end of the pipeline.\n-\t\t */\n \t\tMediaLink *sourceLink;\n \t};\n \n+\tint init(MediaEntity *source, std::string_view sink);\n+\tint initLinks();\n+\tint configure(CameraSensor *sensor, V4L2SubdeviceFormat *);\n+\n+\tconst std::list<Entity> &entities() const { return entities_; }\n+\n+private:\n \tstd::list<Entity> entities_;\n };\n \ndiff --git a/src/libcamera/media_pipeline.cpp b/src/libcamera/media_pipeline.cpp\nindex c4e9f69b8f6a..3c5517314a4a 100644\n--- a/src/libcamera/media_pipeline.cpp\n+++ b/src/libcamera/media_pipeline.cpp\n@@ -43,6 +43,52 @@ LOG_DEFINE_CATEGORY(MediaPipeline)\n * two entities in a media graph.\n */\n \n+/**\n+ * \\struct MediaPipeline::Entity\n+ * \\brief A node composing the media pipeline\n+ *\n+ * The MediaPipeline::Entity structure stores how a MediaEntity composing a\n+ * media pipeline is connected to other media entities. It stores pointers\n+ * to the source pad, the sink pad and the media link traversed by the media\n+ * pipeline, as well as a flag that reports if the entity supports internal\n+ * routing.\n+ */\n+\n+/**\n+ * \\var MediaPipeline::Entity::entity\n+ * \\brief Pointer to the libcamera::MediaEntity, always valid\n+ */\n+\n+/**\n+ * \\var MediaPipeline::Entity::supportsRouting\n+ * \\brief Whether or not the entity is a subdev that supports the routing API\n+ */\n+\n+/**\n+ * \\var MediaPipeline::Entity::sink\n+ * \\brief The local libcamera::MediaPad sink pad connected to the upstream entity,\n+ * null for the camera sensor at the beginning of the pipeline\n+ */\n+\n+/**\n+ * \\var MediaPipeline::Entity::source\n+ * \\brief The local libcamera::MediaPad source pad connected to the upstream entity,\n+ * null for the last node at the end of the pipeline\n+ */\n+\n+/**\n+ * \\var MediaPipeline::Entity::sourceLink\n+ * \\brief The link on the libcamera::MediaLink source pad, to the downstream entity,\n+ * null for the last node at the end of the pipeline\n+ */\n+\n+/**\n+ * \\fn MediaPipeline::entities()\n+ * \\brief Retrieve list of entities composing the media pipeline\n+ * \\return The list of MediaPipeline::Entity entities composing the media\n+ * pipeline\n+ */\n+\n /**\n * \\brief Retrieve all source pads connected to a sink pad through active routes\n *\n", "prefixes": [ "v3", "1/2" ] }