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2022-12-29meson: options: Fix typo in pipelines documentationPaul Elder
Fix a typo in the pipelines option documentation. 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>
2022-12-24meson: Only build pipeline handlers needed in the host architectureJavier Martinez Canillas
By default all pipeline handlers are built, regardless on whether these are needed in the host architecture or not. It makes more sense to build only the pipeline handlers that will be used for the given architecture. Let's do that by default now, but still allow to build the other pipeline handlers if needed, by using the `pipelines` meson option. For example, on a x86-64 platform: $ meson build ... Configuration Enabled pipelines : ipu3 uvcvideo Enabled IPA modules : ipu3 ... $ meson build -Dpipelines="ipu3,raspberrypi,rkisp1" -Dtest=true ... Configuration Enabled pipelines : ipu3 raspberrypi rkisp1 vimc Enabled IPA modules : ipu3 raspberrypi rkisp1 vimc ... Suggested-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2022-11-17libcamera: pipeline: Add IMX8 ISI pipelineJacopo Mondi
Add a pipeline handler for the ISI capture interface found on several versions of the i.MX8 SoC generation. The pipeline handler supports capturing multiple streams from the same camera in YUV, RGB or RAW formats. The number of streams is limited by the number of ISI pipelines, and is currently hardcoded to 2 as the code has been tested on the i.MX8MP only. Further development will make this dynamic to support other SoCs. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2022-09-05meson: Disable tests by defaultChristian Rauch
Compiling with tests adds a significant amount of build targets to the meson build. However, tests are only of interest when a feature has been implemented or for continuous integration. Disable tests by default to reduce the computational resource requirements and the duration of a complete libcamera built. Signed-off-by: Christian Rauch <Rauch.Christian@gmx.de> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2022-06-23meson: options: Disable pycamera by defaultJavier Martinez Canillas
The libcamera Python bindings is still experimental and it relies on some features in pybind11 that are not yet upstreamed, so a special branch has to be downloaded as a subproject. This conflicts with the build process used by most Linux distributions, since there is expected that all the dependencies will be fulfilled by -devel packages present in the build root. To allow libcamera to be built by distros, let's disable the pycamera by default. This can still be enabled with `meson build -Dpycamera=enabled`. Suggested-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2022-05-10Add Python bindingsTomi Valkeinen
Add libcamera Python bindings. pybind11 is used to generate the C++ <-> Python layer. We use pybind11 'smart_holder' version to avoid issues with private destructors and shared_ptr. There is also an alternative solution here: https://github.com/pybind/pybind11/pull/2067 Only a subset of libcamera classes are exposed. Implementing and testing the wrapper classes is challenging, and as such only classes that I have needed have been added so far. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-05-24meson: Add a configuration option to build IPAsUmang Jain
There can be multiple IPAs per pipeline-handler or platform. They can live in-tree or externally linked. It is up to the vendor whether to use in-tree IPA for a platform or provide it externally. In the case of IPAs being external, building in-tree IPAs might be futile hence, provide a clear and explicit mechanism to choose whether to build the in-tree IPA for the platform or not. By default, all in-tree IPAs are built when a matching Pipeline handler is also enabled. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-04-12lc-compliance: Add a libcamera compliance toolNiklas Söderlund
Add a compliance tool to ease testing of cameras. In contrast to the unit-tests under test/ that aims to test the internal components of libcamera the compliance tool aims to test application use-cases and to some extent the public API. This change adds the boilerplate code of a simple framework for the creation of tests. The tests aim both to demonstrate the tool and to catch real problems. The tests added are: - Test that if one queues exactly N requests to a camera exactly N requests are eventually completed. - Test that a configured camera can be started and stopped multiple times in an attempt to exercise cleanup code paths otherwise not often tested with 'cam' for example. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Tested-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
2021-03-23meson: Add configuration option to build the cam applicationLaurent Pinchart
Building the cam application isn't always desired, for instance in a production environment that only needs the libcamera library. Add a meson option to disable it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-03-03android: Introduce Chromium OS buffer managerJacopo Mondi
Introduce the CameraBuffer backend for the Chromium OS operating system and the associated meson option. The Chromium OS CameraBuffer implementation uses the cros::CameraBufferManager class to perform mapping of 1 plane and multiplane buffers and to retrieve size information. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2021-03-03meson: options: Add option to select the Android platformJacopo Mondi
The Android Camera3 HAL implementation requires platform specific extensions, such as the selection of the memory backend to use and additional constraints depending on the target device. Define a combo option to select which platform to target and define the currently existing implementation as 'generic'. Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-11-03libcamera: tracing: Implement tracing infrastructurePaul Elder
Implement tracing infrastructure in libcamera. It takes .tp files, as required by lttng, and generates a tracepoint header and C file, as lttng requires. meson is updated accordingly to get it to compile with the rest of libcamera. Update the documentation accordingly. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-09-24Documentation: Move all dependencies into featuresRicardo Ribalda
This way if the user enables the documentation and the dependencies are missing the configure fails. Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Ricardo Ribalda <ricardo@ribalda.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-09-16libcamera: Turn the android option into a featureLaurent Pinchart
Allow disabling compilation of the Android HAL adaptation layer automatically when a dependency is missing by turning the android option into a feature. The default value is set to 'disabled' to match the current behaviour. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-06-24meson: options: Add an option to control compilation of qcamNiklas Söderlund
Add an option to control compilation of the qcam test application. The default behavior is to compile qcam, no change in behavior without user intervention. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-05-13licenses: License all meson files under CC0-1.0Laurent Pinchart
In an attempt to clarify the license terms of all files in the libcamera project, the build system files deserve particular attention. While they describe how the binaries are created, they are not themselves transformed into any part of binary distributions of the software, and thus don't influence the copyright on the binary packages. They are however subject to copyright, and thus influence the distribution terms of the source packages. Most of the meson.build files would not meet the threshold of originality criteria required for copyright protection. Some of the more complex meson.build files may be eligible for copyright protection. To avoid any ambiguity and uncertainty, state our intent to not assert copyrights on the build system files by putting them in the public domain with the CC0-1.0 license. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Acked-by: Giulio Benetti <giulio.benetti@micronovasrl.com> Acked-by: Jacopo Mondi <jacopo@jmondi.org> Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Acked-by: Naushir Patuck <naush@raspberrypi.com> Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Acked-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Acked-by: Paul Elder <paul.elder@ideasonboard.com> Acked-by: Show Liu <show.liu@linaro.org>
2020-05-11libcamera: raspberrypi: Add components to meson buildNaushir Patuck
Add the Raspberry Pi pipeline handler and IPA as targets in the meson build system. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-05-10libcamera: pipeline: Add a simple pipeline handlerMartijn Braam
This new pipeline handler aims at supporting any simple device without requiring any device-specific code. Simple devices are currently defined as a graph made of one or multiple camera sensors and a single video node, with each sensor connected to the video node through a linear pipeline. The simple pipeline handler will automatically parse the media graph, enumerate sensors, build supported stream configurations, and configure the pipeline, without any device-specific knowledge. It doesn't support configuration of any processing in the pipeline at the moment, but may be extended to support simple processing such as format conversion or scaling in the future. The only device-specific information in the pipeline handler is the list of supported drivers, required for device matching. We may be able to remove this in the future by matching with the simple pipeline handler as a last resort option, after all other pipeline handlers have been tried. Signed-off-by: Martijn Braam <martijn@brixit.nl> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Andrey Konovalov <andrey.konovalov@linaro.org>
2020-03-25libcamera: Make pipeline handlers selectable at compile timeLaurent Pinchart
Add a 'pipelines' project option that specifies which pipeline handlers to compile in. The corresponding IPA modules are automatically selected. The default is to compile all pipeline handlers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-03-07Add GStreamer plugin and element skeletonNicolas Dufresne
This implements the GStreamer plugin interface and adds libcamerasrc element feature to it. This is just enough to allow plugin introspection. gst-inspect-1.0 build/src/gstreamer/libgstlibcamera.so Plugin Details: Name libcamera Description libcamera capture plugin Filename build/src/gstreamer/libgstlibcamera.so Version 0.0.0+1042-6c9f16d3-dirty License LGPL Source module libcamera Binary package libcamera Origin URL https://libcamera.org libcamerasrc: libcamera Source 1 features: GST_PLUGIN_PATH=$(pwd)/build/src/gstreamer gst-inspect-1.0 libcamerasrc Factory Details: Rank primary (256) Long-name libcamera Source Klass Source/Video Description Linux Camera source using libcamera Author Nicolas Dufresne <nicolas.dufresne@collabora.com Plugin Details: Name libcamera Description libcamera capture plugin Filename /home/nicolas/Sources/libcamera/build/src/gstreamer/libgstlibcamera.so Version 0.0.0+1042-6c9f16d3-dirty License LGPL Source module libcamera Binary package libcamera Origin URL https://libcamera.org GObject +----GInitiallyUnowned +----GstObject +----GstElement +----GstLibcameraSrc Pad Templates: none Element has no clocking capabilities. Element has no URI handling capabilities. Pads: none Element Properties: name : The name of the object flags: accès en lecture, accès en écriture, 0x2000 String. Default: "libcamerasrc0" parent : The parent of the object flags: accès en lecture, accès en écriture, 0x2000 Object of type "GstObject" Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> [Silence -Wunused-function warning for older GLib versions] Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-01-03v4l2: v4l2_compat: Add V4L2 compatibility layerPaul Elder
Add libcamera V4L2 compatibility layer. This initial implementation supports the minimal set of V4L2 operations, which allows getting, setting, and enumerating formats, and streaming frames from a video device. Some data about the wrapped V4L2 video device are hardcoded. Add a build option named 'v4l2' and adjust the build system to selectively compile the V4L2 compatibility layer. For now we match the V4L2 device node to a libcamera camera based on a devnum that a pipeline handler may optionally map to a libcamera camera. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-08-22meson: Rename 'tests' option to 'test'Laurent Pinchart
The 'tests' option enables compilation of tests. On Gentoo and Chrome OS, the corresponding package USE flag is named 'test'. Rename the option to 'test' to bring it in line. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-08-12android: hal: Add Camera3 HALJacopo Mondi
Add libcamera Android Camera HALv3 implementation. The initial camera HAL implementation supports the LIMITED hardware level and uses statically defined metadata and camera characteristics. Add a build option named 'android' and adjust the build system to selectively compile the Android camera HAL and link it against the required Android libraries. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-03meson: options: Document the optionsKieran Bingham
Re-order the project options and add documentation which will be presented by 'meson configure'. This produces the following extra information: Project options: Option Current Value Possible Values Description ------ ------------- --------------- ----------- documentation true [true, false] Generate the project documentation tests true [true, false] Compile and include the tests Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-03-20meson: Provide options to disable test/docsKieran Bingham
It can be desirable to disable the compilation and processing of both the test suite and documentation for use cases such as packaging to an embedded target. Provide a new meson_options.txt file to allow disabling either or both of the tests and documentation components of libcamera. These options can be provided at the initial configuration time, for example: meson build -Dtests=false -Ddocumentation=false or by reconfiguring an existing build tree: cd build meson configure -Ddocumentation=false meson configure -Dtests=false Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>