{"id":16495,"url":"https://patchwork.libcamera.org/api/patches/16495/?format=json","web_url":"https://patchwork.libcamera.org/patch/16495/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/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":"<20220701084521.31831-4-tomi.valkeinen@ideasonboard.com>","date":"2022-07-01T08:45:07","name":"[libcamera-devel,v3,03/17] py: Move ControlValue helpers to py_helpers.cpp","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"cec57be068e6087ccd0a70990988b78496cd0de5","submitter":{"id":109,"url":"https://patchwork.libcamera.org/api/people/109/?format=json","name":"Tomi Valkeinen","email":"tomi.valkeinen@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/16495/mbox/","series":[{"id":3241,"url":"https://patchwork.libcamera.org/api/series/3241/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3241","date":"2022-07-01T08:45:04","name":"Python bindings event handling","version":3,"mbox":"https://patchwork.libcamera.org/series/3241/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/16495/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/16495/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 DE638BD808\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri,  1 Jul 2022 08:45:48 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id DE4636565D;\n\tFri,  1 Jul 2022 10:45:44 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 262636564E\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri,  1 Jul 2022 10:45:42 +0200 (CEST)","from deskari.lan (91-158-154-79.elisa-laajakaista.fi\n\t[91.158.154.79])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 9892725C;\n\tFri,  1 Jul 2022 10:45:41 +0200 (CEST)"],"DKIM-Signature":["v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1656665144;\n\tbh=Pa5/wJaKKF4mEpNi/1FHR/wV42PbNXVxJ/ZFRVOKfAQ=;\n\th=To:Date:In-Reply-To:References:Subject:List-Id:List-Unsubscribe:\n\tList-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:\n\tFrom;\n\tb=QcNPgoLyQslVvmyDSiPJuzpb2+VptCBSDyjHlaOMQQEtyIYvojgIetJ+sniCDA11Z\n\tKjTgGtLVn8a6JpI9xUzExXC+Ekj9Ty7rasUBiKtSP7RdBnYoA3kX1dbSDLMypAy91Z\n\t5GBWfoZVmonC+RQ1eagyBNyeQU+OMy2G86Hjkt3d0OrKD4dKFIVXR499RQSoaa/8K3\n\tg3jF68JEikp4i9+Epl/D/bH6nZLPdvCEaZ4I2f7D1X/Ba2x0HBxWWCT9TZMJsHTkRO\n\tbKUxEIc3pmTtOMI3cTyuBDdF8NFN+Qp1v6hvMqelszTYH8/YIFC7h3Eg16dbbgTV50\n\tBNykKUc97bIRQ==","v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1656665141;\n\tbh=Pa5/wJaKKF4mEpNi/1FHR/wV42PbNXVxJ/ZFRVOKfAQ=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=es+9PqDV+yeP5LR1FoZMw+7ep+4Dqkk3HVgDhV7cqWZ85reFhd+h2Wv6+V3CimB9T\n\tI80DVxwQX4K0qsdRXcXo6Wty8szQXa5TVg6znvaYBFZjsV7R8KJu0Eemn6QFKnJoeu\n\t2X5JgIYIpWh0s4vvPD0+AWqS3zAQCXdLkuEWXSaQ="],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"es+9PqDV\"; dkim-atps=neutral","To":"libcamera-devel@lists.libcamera.org,\n\tDavid Plowman <david.plowman@raspberrypi.com>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>,\n\tLaurent Pinchart <laurent.pinchart@ideasonboard.com>,\n\tJacopo Mondi <jacopo@jmondi.org>","Date":"Fri,  1 Jul 2022 11:45:07 +0300","Message-Id":"<20220701084521.31831-4-tomi.valkeinen@ideasonboard.com>","X-Mailer":"git-send-email 2.34.1","In-Reply-To":"<20220701084521.31831-1-tomi.valkeinen@ideasonboard.com>","References":"<20220701084521.31831-1-tomi.valkeinen@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v3 03/17] py: Move ControlValue helpers to\n\tpy_helpers.cpp","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>","From":"Tomi Valkeinen via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>","Reply-To":"Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"},"content":"Clean up the py_main.cpp a bit by moving the ControlValue helpers to a\nseparate file.\n\nSigned-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/py/libcamera/meson.build    |  1 +\n src/py/libcamera/py_helpers.cpp | 97 +++++++++++++++++++++++++++++++++\n src/py/libcamera/py_helpers.h   | 13 +++++\n src/py/libcamera/py_main.cpp    | 83 +---------------------------\n 4 files changed, 113 insertions(+), 81 deletions(-)\n create mode 100644 src/py/libcamera/py_helpers.cpp\n create mode 100644 src/py/libcamera/py_helpers.h","diff":"diff --git a/src/py/libcamera/meson.build b/src/py/libcamera/meson.build\nindex eb884538..04578bac 100644\n--- a/src/py/libcamera/meson.build\n+++ b/src/py/libcamera/meson.build\n@@ -15,6 +15,7 @@ pybind11_dep = pybind11_proj.get_variable('pybind11_dep')\n pycamera_sources = files([\n     'py_enums.cpp',\n     'py_geometry.cpp',\n+    'py_helpers.cpp',\n     'py_main.cpp',\n ])\n \ndiff --git a/src/py/libcamera/py_helpers.cpp b/src/py/libcamera/py_helpers.cpp\nnew file mode 100644\nindex 00000000..45aecce9\n--- /dev/null\n+++ b/src/py/libcamera/py_helpers.cpp\n@@ -0,0 +1,97 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+/*\n+ * Copyright (C) 2022, Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>\n+ */\n+\n+#include \"py_helpers.h\"\n+\n+#include <libcamera/libcamera.h>\n+\n+#include <pybind11/functional.h>\n+#include <pybind11/stl.h>\n+#include <pybind11/stl_bind.h>\n+\n+namespace py = pybind11;\n+\n+using namespace libcamera;\n+\n+template<typename T>\n+static py::object valueOrTuple(const ControlValue &cv)\n+{\n+\tif (cv.isArray()) {\n+\t\tconst T *v = reinterpret_cast<const T *>(cv.data().data());\n+\t\tauto t = py::tuple(cv.numElements());\n+\n+\t\tfor (size_t i = 0; i < cv.numElements(); ++i)\n+\t\t\tt[i] = v[i];\n+\n+\t\treturn std::move(t);\n+\t}\n+\n+\treturn py::cast(cv.get<T>());\n+}\n+\n+py::object controlValueToPy(const ControlValue &cv)\n+{\n+\tswitch (cv.type()) {\n+\tcase ControlTypeBool:\n+\t\treturn valueOrTuple<bool>(cv);\n+\tcase ControlTypeByte:\n+\t\treturn valueOrTuple<uint8_t>(cv);\n+\tcase ControlTypeInteger32:\n+\t\treturn valueOrTuple<int32_t>(cv);\n+\tcase ControlTypeInteger64:\n+\t\treturn valueOrTuple<int64_t>(cv);\n+\tcase ControlTypeFloat:\n+\t\treturn valueOrTuple<float>(cv);\n+\tcase ControlTypeString:\n+\t\treturn py::cast(cv.get<std::string>());\n+\tcase ControlTypeRectangle: {\n+\t\tconst Rectangle *v = reinterpret_cast<const Rectangle *>(cv.data().data());\n+\t\treturn py::cast(v);\n+\t}\n+\tcase ControlTypeSize: {\n+\t\tconst Size *v = reinterpret_cast<const Size *>(cv.data().data());\n+\t\treturn py::cast(v);\n+\t}\n+\tcase ControlTypeNone:\n+\tdefault:\n+\t\tthrow std::runtime_error(\"Unsupported ControlValue type\");\n+\t}\n+}\n+\n+template<typename T>\n+static ControlValue controlValueMaybeArray(const py::object &ob)\n+{\n+\tif (py::isinstance<py::list>(ob) || py::isinstance<py::tuple>(ob)) {\n+\t\tstd::vector<T> vec = ob.cast<std::vector<T>>();\n+\t\treturn ControlValue(Span<const T>(vec));\n+\t}\n+\n+\treturn ControlValue(ob.cast<T>());\n+}\n+\n+ControlValue pyToControlValue(const py::object &ob, ControlType type)\n+{\n+\tswitch (type) {\n+\tcase ControlTypeBool:\n+\t\treturn ControlValue(ob.cast<bool>());\n+\tcase ControlTypeByte:\n+\t\treturn controlValueMaybeArray<uint8_t>(ob);\n+\tcase ControlTypeInteger32:\n+\t\treturn controlValueMaybeArray<int32_t>(ob);\n+\tcase ControlTypeInteger64:\n+\t\treturn controlValueMaybeArray<int64_t>(ob);\n+\tcase ControlTypeFloat:\n+\t\treturn controlValueMaybeArray<float>(ob);\n+\tcase ControlTypeString:\n+\t\treturn ControlValue(ob.cast<std::string>());\n+\tcase ControlTypeRectangle:\n+\t\treturn ControlValue(ob.cast<Rectangle>());\n+\tcase ControlTypeSize:\n+\t\treturn ControlValue(ob.cast<Size>());\n+\tcase ControlTypeNone:\n+\tdefault:\n+\t\tthrow std::runtime_error(\"Control type not implemented\");\n+\t}\n+}\ndiff --git a/src/py/libcamera/py_helpers.h b/src/py/libcamera/py_helpers.h\nnew file mode 100644\nindex 00000000..cd31e2cc\n--- /dev/null\n+++ b/src/py/libcamera/py_helpers.h\n@@ -0,0 +1,13 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+/*\n+ * Copyright (C) 2022, Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>\n+ */\n+\n+#pragma once\n+\n+#include <libcamera/libcamera.h>\n+\n+#include <pybind11/smart_holder.h>\n+\n+pybind11::object controlValueToPy(const libcamera::ControlValue &cv);\n+libcamera::ControlValue pyToControlValue(const pybind11::object &ob, libcamera::ControlType type);\ndiff --git a/src/py/libcamera/py_main.cpp b/src/py/libcamera/py_main.cpp\nindex 4b698f77..e652837f 100644\n--- a/src/py/libcamera/py_main.cpp\n+++ b/src/py/libcamera/py_main.cpp\n@@ -21,6 +21,8 @@\n #include <pybind11/stl.h>\n #include <pybind11/stl_bind.h>\n \n+#include \"py_helpers.h\"\n+\n namespace py = pybind11;\n \n using namespace libcamera;\n@@ -31,87 +33,6 @@ LOG_DEFINE_CATEGORY(Python)\n \n }\n \n-template<typename T>\n-static py::object valueOrTuple(const ControlValue &cv)\n-{\n-\tif (cv.isArray()) {\n-\t\tconst T *v = reinterpret_cast<const T *>(cv.data().data());\n-\t\tauto t = py::tuple(cv.numElements());\n-\n-\t\tfor (size_t i = 0; i < cv.numElements(); ++i)\n-\t\t\tt[i] = v[i];\n-\n-\t\treturn std::move(t);\n-\t}\n-\n-\treturn py::cast(cv.get<T>());\n-}\n-\n-static py::object controlValueToPy(const ControlValue &cv)\n-{\n-\tswitch (cv.type()) {\n-\tcase ControlTypeBool:\n-\t\treturn valueOrTuple<bool>(cv);\n-\tcase ControlTypeByte:\n-\t\treturn valueOrTuple<uint8_t>(cv);\n-\tcase ControlTypeInteger32:\n-\t\treturn valueOrTuple<int32_t>(cv);\n-\tcase ControlTypeInteger64:\n-\t\treturn valueOrTuple<int64_t>(cv);\n-\tcase ControlTypeFloat:\n-\t\treturn valueOrTuple<float>(cv);\n-\tcase ControlTypeString:\n-\t\treturn py::cast(cv.get<std::string>());\n-\tcase ControlTypeRectangle: {\n-\t\tconst Rectangle *v = reinterpret_cast<const Rectangle *>(cv.data().data());\n-\t\treturn py::cast(v);\n-\t}\n-\tcase ControlTypeSize: {\n-\t\tconst Size *v = reinterpret_cast<const Size *>(cv.data().data());\n-\t\treturn py::cast(v);\n-\t}\n-\tcase ControlTypeNone:\n-\tdefault:\n-\t\tthrow std::runtime_error(\"Unsupported ControlValue type\");\n-\t}\n-}\n-\n-template<typename T>\n-static ControlValue controlValueMaybeArray(const py::object &ob)\n-{\n-\tif (py::isinstance<py::list>(ob) || py::isinstance<py::tuple>(ob)) {\n-\t\tstd::vector<T> vec = ob.cast<std::vector<T>>();\n-\t\treturn ControlValue(Span<const T>(vec));\n-\t}\n-\n-\treturn ControlValue(ob.cast<T>());\n-}\n-\n-static ControlValue pyToControlValue(const py::object &ob, ControlType type)\n-{\n-\tswitch (type) {\n-\tcase ControlTypeBool:\n-\t\treturn ControlValue(ob.cast<bool>());\n-\tcase ControlTypeByte:\n-\t\treturn controlValueMaybeArray<uint8_t>(ob);\n-\tcase ControlTypeInteger32:\n-\t\treturn controlValueMaybeArray<int32_t>(ob);\n-\tcase ControlTypeInteger64:\n-\t\treturn controlValueMaybeArray<int64_t>(ob);\n-\tcase ControlTypeFloat:\n-\t\treturn controlValueMaybeArray<float>(ob);\n-\tcase ControlTypeString:\n-\t\treturn ControlValue(ob.cast<std::string>());\n-\tcase ControlTypeRectangle:\n-\t\treturn ControlValue(ob.cast<Rectangle>());\n-\tcase ControlTypeSize:\n-\t\treturn ControlValue(ob.cast<Size>());\n-\tcase ControlTypeNone:\n-\tdefault:\n-\t\tthrow std::runtime_error(\"Control type not implemented\");\n-\t}\n-}\n-\n static std::weak_ptr<CameraManager> gCameraManager;\n static int gEventfd;\n static std::mutex gReqlistMutex;\n","prefixes":["libcamera-devel","v3","03/17"]}