af9a8d372b
This code adds support for the ipu6 webcams via libcamera, based on the work in https://copr.fedorainfracloud.org/coprs/jwrdegoede/ipu6-softisp/. It's supposed to be included in your NixOS configuration imports. Change-Id: Ifb71999ad61161fa23506b97cb449f73fb1270e3 Reviewed-on: https://cl.tvl.fyi/c/depot/+/10709 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de> Autosubmit: flokli <flokli@flokli.de>
139 lines
3.1 KiB
Diff
139 lines
3.1 KiB
Diff
From cb9ff82efd82af8ae26b2aca4183928c74f7ef34 Mon Sep 17 00:00:00 2001
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From: Dennis Bonke <admin@dennisbonke.com>
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Date: Wed, 20 Dec 2023 16:22:29 +0100
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Subject: [PATCH 05/25] libcamera: internal: Document the SharedMemObject class
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Document the SharedMemObject class.
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Signed-off-by: Dennis Bonke <admin@dennisbonke.com>
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # sc8280xp Lenovo x13s
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Tested-by: Pavel Machek <pavel@ucw.cz>
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---
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.../libcamera/internal/shared_mem_object.h | 53 +++++++++++++++++++
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1 file changed, 53 insertions(+)
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diff --git a/include/libcamera/internal/shared_mem_object.h b/include/libcamera/internal/shared_mem_object.h
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index bfb639ee..e862ce48 100644
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--- a/include/libcamera/internal/shared_mem_object.h
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+++ b/include/libcamera/internal/shared_mem_object.h
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@@ -19,10 +19,20 @@
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namespace libcamera {
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+/**
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+ * \class SharedMemObject
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+ * \brief Helper class for shared memory allocations.
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+ *
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+ * Takes a template T which is used to indicate the
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+ * data type of the object stored.
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+ */
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template<class T>
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class SharedMemObject
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{
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public:
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+ /**
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+ * \brief The size of the object that is going to be stored here.
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+ */
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static constexpr std::size_t SIZE = sizeof(T);
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SharedMemObject()
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@@ -30,6 +40,11 @@ public:
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{
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}
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+ /**
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+ * \brief Contstructor for the SharedMemObject.
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+ * \param[in] name The requested name.
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+ * \param[in] args Any additional args.
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+ */
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template<class... Args>
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SharedMemObject(const std::string &name, Args &&...args)
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: name_(name), obj_(nullptr)
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@@ -57,6 +72,10 @@ public:
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obj_ = new (mem) T(std::forward<Args>(args)...);
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}
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+ /**
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+ * \brief Move constructor for SharedMemObject.
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+ * \param[in] rhs The object to move.
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+ */
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SharedMemObject(SharedMemObject<T> &&rhs)
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{
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this->name_ = std::move(rhs.name_);
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@@ -76,6 +95,10 @@ public:
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/* Make SharedMemObject non-copyable for now. */
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LIBCAMERA_DISABLE_COPY(SharedMemObject)
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+ /**
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+ * \brief Operator= for SharedMemObject.
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+ * \param[in] rhs The SharedMemObject object to take the data from.
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+ */
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SharedMemObject<T> &operator=(SharedMemObject<T> &&rhs)
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{
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this->name_ = std::move(rhs.name_);
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@@ -85,31 +108,61 @@ public:
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return *this;
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}
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+ /**
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+ * \brief Operator-> for SharedMemObject.
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+ *
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+ * \return the object.
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+ */
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T *operator->()
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{
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return obj_;
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}
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+ /**
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+ * \brief Operator-> for SharedMemObject.
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+ *
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+ * \return the object.
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+ */
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const T *operator->() const
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{
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return obj_;
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}
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+ /**
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+ * \brief Operator* for SharedMemObject.
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+ *
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+ * \return the object.
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+ */
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T &operator*()
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{
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return *obj_;
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}
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+ /**
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+ * \brief Operator* for SharedMemObject.
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+ *
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+ * \return the object.
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+ */
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const T &operator*() const
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{
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return *obj_;
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}
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+ /**
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+ * \brief Gets the file descriptor for the underlaying storage file.
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+ *
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+ * \return the file descriptor.
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+ */
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const SharedFD &fd() const
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{
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return fd_;
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}
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+ /**
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+ * \brief Operator bool() for SharedMemObject.
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+ *
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+ * \return true if the object is not null, false otherwise.
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+ */
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explicit operator bool() const
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{
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return !!obj_;
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--
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2.43.0
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