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2021-08-03libcamera: base: class: Document Extensible::_d() functionsLaurent Pinchart
The Extensible::_d() functions are meant to be called by users of the class. Document them. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-08-03libcamera: file: Turn MapFlag and OpenModeFlag into enum classLaurent Pinchart
Add type safety by turning the MapFlag and OpenModeFlag enum into enum class. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-08-03libcamera: file: Use Flags<> class for open flagsLaurent Pinchart
Use the newly introduced Flags<> class to store a bitfield of File::OpenMode in a type-safe way. The existing File::OpenMode enum is renamed to File::OpenModeFlag to free the File::OpenMode for the Flags<> type alias. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-08-03libcamera: file: Use Flags<> class for map flagsLaurent Pinchart
Use the newly introduced Flags<> class to store a bitfield of File::MapFlag in a type-safe way. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-08-03libcamera: flags: Add type-safe enum-based flagsLaurent Pinchart
Add a Flags template class that provide type-safe bitwise operators on enum values. This allows using enum types for bit fields, without giving away type-safety as usually done when storing combined flags in integer variables. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-08-02controls: Add boolean constructors for ControlInfoPaul Elder
It would be convenient to be able to iterate over available boolean values, for example for controls that designate if some function can be enabled/disabled. The current min/max/def constructor is insufficient, as .values() is empty, so the values cannot be easily iterated over, and creating a Span of booleans does not work for the values constructor. Add new constructors to ControlInfo that takes a set of booleans (if both booleans are valid values) plus a default, and another that takes only one boolean (if only one boolean is a valid value). Update the ControlInfo test accordingly. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-07-27ipa: core.mojom: Rework core file documentationJacopo Mondi
The comment block at the beginning of the core.mojom file is meant to provide an overview of how to use libcamera defined types in the definition of mojom interfaces. As the IPA/IPC interface definition mechanism evolved, the documentation has not been updated accordingly. Update the file comments to match the most recent IPA/IPC interface definition and generation mechanism. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-19libcamera: ipa_manager: Split common code out of createIPA()Laurent Pinchart
The createIPA() template function starts with code that doesn't depend on the template parameters. Split it to a non-template function to avoid code duplication in the binary. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2021-07-19libcamera: ipa_manager: Fix IPA module min/max version checkLaurent Pinchart
The IPAManager::createIPA() function has its minVersion and maxVersion parameters inverted. This doesn't cause any issue at the moment as both the minimum and maximum version are set to 1 by all callers, but it's still a bug. Fix it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2021-07-12libcamera: framebuffer: Make FrameBuffer class ExtensibleLaurent Pinchart
Implement the D-Pointer design pattern in the FrameBuffer class to allow changing internal data without affecting the public ABI. Move the request_ field and the setRequest() function to the FrameBuffer::Private class. This allows hiding the setRequest() function from the public API, removing one todo item. More fields may be moved later. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-12libcamera: Drop the LIBCAMERA_D_PTR macro in favour of the _d() functionLaurent Pinchart
Now that all Extensible classes expose a _d() function that performs appropriate casts, the LIBCAMERA_D_PTR brings no real additional value. Replace it with direct calls to the _d() function. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-07-12libcamera: base: class: Expose Extensible private data to other classesLaurent Pinchart
Despite sharing the same name, the private data class created by the Extensible design pattern and the C++ private access specifier have different goals. The latter specifies class members private to the class, while the former stores data not visible to the application. There are use cases for accessing the private data class from other classes inside libcamera. Make this possible by exposing public _d() functions in the class deriving from Extensible. This won't allow access to the private data by applications as the definition of the Private class isn't visible outside of libcamera. The _d() functions need to be defined as template functions to delay their evaluation, as the static_cast() operator in the Extensible::_d() functions needs the Private class to be fully defined. The template argument is defaulted and ignored, as only its presence is required to delay evaluation. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-11libcamera: buffer: Rename buffer.h to framebuffer.hLaurent Pinchart
libcamera names header files based on the classes they define. The buffer.h file is an exception. Rename it to framebuffer.h. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-06libcamera: device_enumerator: Drop inclusion of linux/media.hLaurent Pinchart
device_enumerator.h doesn't need to include linux/media.h. Drop inclusion of the header. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Tested-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-07-06libcamera: media_device: Rename valid() function to isValid()Laurent Pinchart
We use isValid() instead of valid() through the code base, make MediaDevice consistent. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
2021-06-28libcamera: Add support for monochrome sensorsDavid Plowman
This commit adds support for monochrome (greyscale) raw sensors. These are sensors that have no colour filter array, so all pixels are the same and there are no distinct colour channels. These sensors still require many of an ISP's processing stages, such as denoise, tone mapping, but not those that involve colours (such as demosaic, or colour matrices). Signed-off-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-06-28libcamera: utils: Only enable utils::hex() for integer argumentsLaurent Pinchart
The utils::hex() function is defined as a function template that has implementations for integer arguments only. When given a different argument type, the compiler will not catch the issue, but linking will fail: src/libcamera/libcamera.so.p/camera_sensor.cpp.o: in function `libcamera::CameraSensor::validateSensorDriver()': camera_sensor.cpp:(.text+0x1e6b): undefined reference to `libcamera::utils::_hex libcamera::utils::hex<libcamera::ControlId const*>(libcamera::ControlId const*, unsigned int)' Move the failure to compilation time by enabling the function for integer arguments only. This provides better diagnostics: ../../src/libcamera/camera_sensor.cpp: In member function ‘int libcamera::CameraSensor::validateSensorDriver()’: ../../src/libcamera/camera_sensor.cpp:199:77: error: no matching function for call to ‘hex(const libcamera::ControlId*&)’ Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2021-06-25libcamera/base: Validate internal headers as privateKieran Bingham
Headers which must not be exposed as part of the public libcamera API should include base/private.h. Any interface which includes the private.h header will only be able to build if the libcamera_private dependency is used (or the libcamera_base_private dependency directly). Build targets which are intended to use the private API's will use the libcamera_private to handle the automatic definition of the inclusion guard. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-06-25libcamera/base: Move span to base libraryKieran Bingham
Move span, and adjust the Doxygen exclusion as well. Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-06-25libcamera/base: Move event_notifier to baseKieran Bingham
Move the event notifier, and associated header updates. Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-06-25libcamera/base: Move File to base libraryKieran Bingham
The File abstraction is a base helper and not part of the libcamera API. Move it to to allow usage by users of the base library. Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-06-25libcamera/base: Move extended base functionalityKieran Bingham
Move the functionality for the following components to the new base support library: - BoundMethod - EventDispatcher - EventDispatcherPoll - Log - Message - Object - Signal - Semaphore - Thread - Timer While it would be preferable to see these split to move one component per commit, these components are all interdependent upon each other, which leaves us with one big change performing the move for all of them. Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-06-25libcamera/base: Move class helpers to the base libraryKieran Bingham
Move the class support infrastructure to the base library. Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-06-25libcamera/base: Move utils to the base libraryKieran Bingham
Move the utils functionality to the libcamera/base library. Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-06-25libcamera/base: Introduce new base libraryKieran Bingham
The libcamera-base.so will feature internal support functionality that is utilised by libcamera, and can be shared in other places. This new library provides a layer beneath libcamera which provides common abstractions to internal objects. A pkg-config file is generated and named libcamera-base.pc which allows components such as external IPA modules to link directly to this library if they need. Normal applications will reference this library through the Requires: statement provided by the libcamera.pc package configuration, and linkage will be handled automatically through the pkg-config mechanisms. No code is moved to this library yet, this patch only introduces the framework, construction and linkage. Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-06-25libcamera: Separate source and build path helpersKieran Bingham
The libcameraSourcePath and libcameraBuildPath helper functions are internal and specific to libcamera needs while operating with the meson build system. In preparation for the upcoming move of utils to a common library, move these helpers out of utils and into their own build unit. Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Hirokazu Honda<hiroh@chromium.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-06-15libcamera: log: Destroy LogCategory instances in a controlled wayLaurent Pinchart
The LogCategory instances are constructed on first use as static variables in accessor functions, following the Meyers singleton pattern. As a result, their destruction order is not guaranteed. This can cause issues as the global Logger object, constructed in a similar fashion, is accessed from the LogCategory destructor and may be destroyed first. To fix this, keep the same singleton pattern, but allocate the LogCategory instances dynamically. As they get registered with the global Logger instance, we can destroy them in the Logger destructor. This only avoids destruction order issues between LogCategory and Logger, and doesn't address yet the fact that LOG() calls from destructors of global objects may access an already destroyed Logger. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Hirokazu Honda <hiroh@chormium.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-06-14libcamera: CameraSensor: Enable retrieving supported test pattern modesHirokazu Honda
This enables retrieving supported test pattern modes through CameraSensorInfo. Signed-off-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2021-06-14libcamera: CameraSensorProperties: Add table of v4l2 index and test patternHirokazu Honda
The V4L2 specification defines the sensor test pattern modes through a menu control, where a numerical index is associated to a string that describes the test pattern. The index-to-pattern mapping is driver specific and requires a corresponding representation in the library. Add to the static list of CameraSensorProperties a map of indexes to libcamera::controls::TestPatternModes values to be able to map the indexes returned by the driver to the corresponding test pattern mode. Signed-off-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2021-06-14libcamera: V4L2Device: Support v4l2 menu controlHirokazu Honda
This adds a support of v4l2 menu. The control info for v4l2 menu contains indices without names and 64bit values of querymenu. Signed-off-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2021-06-14libcamera: request: Add Request::cancel()Jacopo Mondi
Add a cancel() function to the Request class that allows to forcefully complete the request and its associated buffers in error state. Only pending requests can be forcefully cancelled. Enforce that by asserting the request state to be RequestPending. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-06-14ipa: ipu3: Support return values from configure()Kieran Bingham
The IPU3 IPA interface does not define a return value from configure(). This prevents errors from being reported back to the pipeline handler when they occur in the IPA. Update the IPU3 IPA interface and add return values to the checks in IPAIPU3::configure() accordingly Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-06-08libcamera: utils: Add helper class for std::chrono::durationNaushir Patuck
A new utils::Duration class is defined to represent a std::chrono::duration type with double precision nanosecond timebase. Using a double minimises the loss of precision when converting timebases. This helper class may be used by IPAs to represent variables such as frame durations and exposure times. An operator << overload is defined to help with displaying utils::Duration value in stream objects. Currently, this will display the duration value in microseconds. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-05-31android: Update Android headersLaurent Pinchart
Import the latest version of the Android headers from Chrome OS (commit a30340e77ec8 ("camera: Uprev Android camera headers")). This brings in the Camera HAL v3.5 support. The headers are imported verbatim, except for the addition of the SPDX headers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Tested-by: Paul Elder <paul.elder@ideasonboard.com>
2021-05-27meson: ipa: Pass core.mojom to the docs generatorPaul Elder
We don't want to generate the same functional files for core.mojom as the other mojom files, but we do want to generate the documentation cpp files. Add core.mojom to the mojom files list after the main generation is complete, so that the documentation generator can pick it up. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
2021-05-27ipa: core: Move documentation from cpp file back into the mojom filePaul Elder
Move the documentation back to the mojom file from the cpp file. While at it, move the documentation for IPAInterface::init() and IPAInterface::stop() to the IPA guide. While at it, update the todo comment in all of the mojom files accordingly. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> [umang.jain@ideasonboard.com: Update todos] Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2021-05-27meson: ipa: Use files() to locate the mojom filesPaul Elder
Use meson's files() to list the mojom files instead of the file names directly. This is so that we can still access the files from src/libcamera/ipa/meson.build later for building documentation cpp files from the mojom files. While at it, fix some redundant string manipulation in building the mojom modules. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
2021-05-27controls: Split FrameDurations into FrameDuration and FrameDurationLimitsPaul Elder
We need a separate control to report the nominal frame duration, but it's also useful to report the min/max frame duration values that will be used. Split the FrameDurations control into FrameDuration and FrameDurationLimits respectively to support both of these. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-05-26ipa: ipu3: Provide frame timestamps through IPU3EventUmang Jain
Pass in frame timestamps from IPU3 pipeline handler to IPU3 IPA via IPU3Event. Frame timestamps are helpful to IPA algorithms to convergence, by setting them via IPA stats. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-05-26ipa: ipu3: Rectify ControlInfoMap matching in IPAConfigInfoUmang Jain
The ControlInfoMap of entityControls member in IPAConfigInfo struct, was not able to correctly match to the ControlInfoMap defined in core.mojom. This resulted in a FATAL breakage when IPU3 IPA is meant to run: FATAL IPADataSerializer ipa_data_serializer.cpp:437 ControlSerializer not provided for serialization of ControlInfoMap Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-05-24ipa: ipu3: Introduce IPAConfigInfo in IPCUmang Jain
IPAConfigInfo is a consolidated data structure passed from IPU3 pipeline-handler to IPU3 IPA. The structure can be extended with additional parameters to accommodate the requirements of multiple IPU3 IPA modules. Adapt the in-tree IPU3 IPA to use IPAConfigInfo as well. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-05-24ipa: meson: Install mojom generated headers to include pathsUmang Jain
Generated IPA headers from mojom files need to be installed to $INCLUDE_PATH in order to be available system-wide. Without this, out-of-tree IPAs won't be able to link and build themselves. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-05-24ipa: ipc: Rename CameraSensorInfo to IPACameraSensorInfoUmang Jain
This matches the naming convention for IPA IPC. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Acked-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-05-24ipa: mojom: Move CameraSensorInfo struct exclusively to IPA IPCUmang Jain
CameraSensorInfo structure is designed to pass in camera sensor related information from pipeline-handler to IPA. Since the pipeline-handler and IPA are connected via mojom IPC IPA interface, the interface itself provides a more suitable placement of CameraSensorInfo, instead of camera_sensor.h (which is a libcamera internal header ultimately, at this point). As CameraSensorInfo is already defined in core.mojom, it is just a matter of removing [skipHeader] tag to allow code-generation of CameraSensorInfo. Finally, update header paths to include CameraSensorInfo definition from IPA interfaces instead of "libcamera/internal/camera_sensor.h". Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-05-24ipa: Move core IPA interface documentation to a .cpp fileUmang Jain
Moving the core.mojom documentation to its corresponding .cpp file (core_ipa_interface.cpp). This will allow Doxygen to generate the documentation for IPABuffer, IPASettings and IPAStream structures. Since the .mojom files are placed in include/ directory, the .cpp file will live in $sourcedir/src/libcamera/ipa/ - which can also contain documentation for other mojom generated IPA interfaces in subsequent commit. Also hide the constructors in generated IPA interface from doxygen, via #ifndef __DOXYGEN__. These constructors provide no major value in documenting them, instead will spew out doxygen warnings during the build. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-05-24libcamera: V4L2Control: remove V4L2Control classesHirokazu Honda
V4L2ControlId and V4L2ControlInfo are just convenience classes to create ControlId and ControlInfo from v4l2_query_ext_control. Therefore, there is no need of being a class. It is used only from V4L2Device. This removes the classes and put the equivalent functions of creating ControlId and ControlInfo in v4l2_device.cpp. Signed-off-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-05-18libcamera: utils: Add enumerate view for range-based for loopsLaurent Pinchart
Range-based for loops are handy and widely preferred in C++, but are limited in their ability to replace for loops that require access to a loop counter. The enumerate() function solves this problem by wrapping the iterable in an adapter that, when used as a range-expression, will provide iterators whose value_type is a pair of index and value reference. The iterable must support std::begin() and std::end(). This includes all containers provided by the standard C++ library, as well as C-style arrays. A typical usage pattern would use structured binding to store the index and value in two separate variables: std::vector<int> values = ...; for (auto [index, value] : utils::enumerate(values)) { ... } Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2021-05-11libcamera: Use get_option('includedir') instead of raw 'include'Umang Jain
In most cases, file paths in meson files start with get_option(). To maintain a consistent theme, use meson's get_option('includedir') universal option over raw 'include'. This option is defaulted to 'include' string value, hence this commit does not introduce any functional changes. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-05-11meson: Replace obselete join_paths() with '/' operatorUmang Jain
Since meson v0.49.0, join_paths() is equivalent to '/' hence, drop and replace it with '/' short-hand in meson files. This commit does not introduce any functional changes. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-05-11libcamera: camera_sensor: Fix frame lengths calculated by sensorInfo()David Plowman
The minimum and maximum vblanking can change when a new format is applied to the sensor subdevice, so be sure to retrieve up-to-date values. The V4L2Device acquires the new updateControlInfo() method to perform this function, and which the CameraSensor calls automatically if its setFormat method is used to update the sensor. However, not all pipeline handlers invoke the setFormat method directly, so the new method must be made publicly available for pipeline handlers to call if they need to. Signed-off-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>