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{ "id": 1313, "url": "https://patchwork.libcamera.org/api/patches/1313/?format=api", "web_url": "https://patchwork.libcamera.org/patch/1313/", "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": "<20190527090559.26549-3-jacopo@jmondi.org>", "date": "2019-05-27T09:05:55", "name": "[libcamera-devel,v2,2/6] libcamera: v4l2_device: Add support for META_OUTPUT", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "69093a49945343692f829d86e912d4e1c7e7ad97", "submitter": { "id": 3, "url": "https://patchwork.libcamera.org/api/people/3/?format=api", "name": "Jacopo Mondi", "email": "jacopo@jmondi.org" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/1313/mbox/", "series": [ { "id": 329, "url": "https://patchwork.libcamera.org/api/series/329/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=329", "date": "2019-05-27T09:05:53", "name": "META_OUTPUT support + IPU3 parameters tuning", "version": 2, "mbox": "https://patchwork.libcamera.org/series/329/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/1313/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/1313/checks/", "tags": {}, "headers": { "Return-Path": "<jacopo@jmondi.org>", "Received": [ "from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net\n\t[217.70.183.195])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id AFD90600EA\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 27 May 2019 11:05:02 +0200 (CEST)", "from uno.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay3-d.mail.gandi.net (Postfix) with ESMTPSA id F24E46000C;\n\tMon, 27 May 2019 09:05:01 +0000 (UTC)" ], "X-Originating-IP": "2.224.242.101", "From": "Jacopo Mondi <jacopo@jmondi.org>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Mon, 27 May 2019 11:05:55 +0200", "Message-Id": "<20190527090559.26549-3-jacopo@jmondi.org>", "X-Mailer": "git-send-email 2.21.0", "In-Reply-To": "<20190527090559.26549-1-jacopo@jmondi.org>", "References": "<20190527090559.26549-1-jacopo@jmondi.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v2 2/6] libcamera: v4l2_device: Add\n\tsupport for META_OUTPUT", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.23", "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>", "X-List-Received-Date": "Mon, 27 May 2019 09:05:03 -0000" }, "content": "Add support for output devices that expose the META_OUTPUT capabilities.\n\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/libcamera/include/v4l2_device.h | 10 ++++++++--\n src/libcamera/v4l2_device.cpp | 9 +++++++++\n 2 files changed, 17 insertions(+), 2 deletions(-)", "diff": "diff --git a/src/libcamera/include/v4l2_device.h b/src/libcamera/include/v4l2_device.h\nindex 2e7bd1e7f4cc..cecafa151caa 100644\n--- a/src/libcamera/include/v4l2_device.h\n+++ b/src/libcamera/include/v4l2_device.h\n@@ -59,7 +59,8 @@ struct V4L2Capability final : v4l2_capability {\n \tbool isOutput() const\n \t{\n \t\treturn device_caps() & (V4L2_CAP_VIDEO_OUTPUT |\n-\t\t\t\t\tV4L2_CAP_VIDEO_OUTPUT_MPLANE);\n+\t\t\t\t\tV4L2_CAP_VIDEO_OUTPUT_MPLANE |\n+\t\t\t\t\tV4L2_CAP_META_OUTPUT);\n \t}\n \tbool isVideo() const\n \t{\n@@ -70,7 +71,8 @@ struct V4L2Capability final : v4l2_capability {\n \t}\n \tbool isMeta() const\n \t{\n-\t\treturn device_caps() & V4L2_CAP_META_CAPTURE;\n+\t\treturn device_caps() & (V4L2_CAP_META_CAPTURE |\n+\t\t\t\t\tV4L2_CAP_META_OUTPUT);\n \t}\n \tbool isVideoCapture() const\n \t{\n@@ -84,6 +86,10 @@ struct V4L2Capability final : v4l2_capability {\n \t{\n \t\treturn isMeta() && isCapture();\n \t}\n+\tbool isMetaOutput() const\n+\t{\n+\t\treturn isMeta() && isOutput();\n+\t}\n \tbool hasStreaming() const\n \t{\n \t\treturn device_caps() & V4L2_CAP_STREAMING;\ndiff --git a/src/libcamera/v4l2_device.cpp b/src/libcamera/v4l2_device.cpp\nindex 8366ffc4db55..e42f6ef0c340 100644\n--- a/src/libcamera/v4l2_device.cpp\n+++ b/src/libcamera/v4l2_device.cpp\n@@ -116,6 +116,12 @@ LOG_DEFINE_CATEGORY(V4L2)\n * \\return True if the device can capture image meta-data\n */\n \n+/**\n+ * \\fn V4L2Capability::isMetaOutput()\n+ * \\brief Identify if the device outputs image meta-data\n+ * \\return True if the device can output image meta-data\n+ */\n+\n /**\n * \\fn V4L2Capability::hasStreaming()\n * \\brief Determine if the device can perform Streaming I/O\n@@ -348,6 +354,9 @@ int V4L2Device::open()\n \t} else if (caps_.isMetaCapture()) {\n \t\tfdEvent_ = new EventNotifier(fd_, EventNotifier::Read);\n \t\tbufferType_ = V4L2_BUF_TYPE_META_CAPTURE;\n+\t} else if (caps_.isMetaOutput()) {\n+\t\tfdEvent_ = new EventNotifier(fd_, EventNotifier::Write);\n+\t\tbufferType_ = V4L2_BUF_TYPE_META_OUTPUT;\n \t} else {\n \t\tLOG(V4L2, Error) << \"Device is not a supported type\";\n \t\treturn -EINVAL;\n", "prefixes": [ "libcamera-devel", "v2", "2/6" ] }