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2021-06-25android: Split HAL to its own shared libraryKieran Bingham
The libcamera Android HAL implementation should not be an integral part of libcamera, but a support library that utilises the libcamera public API. Move the implementation to its own distinct library. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-06-16meson: summarise pathsKieran Bingham
The IPAs are loaded from a defined location set as IPA_MODULE_DIR. Furthermore, configuration files for both libcamera and IPAs are loaded from paths defined during the meson configuration. To make it easy to identify these locations for a given configuration, present them as a 'paths' section in the meson summary. This adds a summary section to meson in the form: Paths LIBCAMERA_DATA_DIR : "/usr/share/libcamera" LIBCAMERA_SYSCONF_DIR : "/etc/camera/libcamera" IPA_PROXY_DIR : "/usr/libexec/libcamera" IPA_CONFIG_DIR : "/etc/camera/libcamera/ipa:/usr/share/libcamera/ipa" IPA_MODULE_DIR : "/usr/lib/x86_64-linux-gnu/libcamera" Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-04-30src: meson: Define system pathsKieran Bingham
Define libcamera specific system paths for use within the library code base. These can be used to identify system configuration files and shared data. Also, make use of the new system path variables and map the ipa paths upon the libcamera system path, making use of the new shorter syntax for join_paths(). Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Kieran Bingham <kieran.bingham@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>
2021-04-04android: Define OS_CHROMEOS macro if android_platform=crosHirokazu Honda
Android Camera HAL 3 API used in ChromeOS has a ChromeOS own extension, for example, crop_rotate_scale_degrees in camera3_stream. As those extensions are not available on Android platforms, introduce a OS_CHROMEOS macro that can be used to compile CrOS-specific code conditionally. The macro is defined if and only if android_platform is 'cros'. Signed-off-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-03-03cros: Support the new cros camera API with set_up and tear_downPaul Elder
Implement and expose the symbol and functions that the new cros camera API requires. Since we don't actually need them, leave them empty. Update meson accordingly. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-02-11meson: Fix coding style when declaring arraysLaurent Pinchart
The meson.build files mix array declarations with and without a space after the opening and before the closing square bracket. The vast majority of cases don't use spaces, so standardize on that. While it it, fix indentation in a few places. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-12-30src: meson: Simplify v4l2 enablementKieran Bingham
Simplify the src level meson file by moving the declaration of the v4l2 subdir to match the other invocations, making use of 'subdir_done()' to break out if the adaptation layer is not enabled. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-12-30src: meson: Re-order subdir layoutKieran Bingham
Move the android subdir below the configuration options to keep all subdirs together. Add a comment explaining why android must come first, and some padding to group the libcamera and ipa components, applications, and remaining adaptation layers. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-09-24libcamera: ipa: Move key generation to utilsKieran Bingham
Move the GPLv2 utilities used for generating public and private keys to the utilities subtree. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2020-09-24src: meson: Rename ipa_gen_priv_key to gen_ipa_priv_keyKieran Bingham
Refactor the naming of the custom command variable to match the style used in the other custom target generators, and the name of the script. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@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>
2020-05-13licenses: 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>
2020-05-11meson: Use files() instead of find_program() for internal scriptsLaurent Pinchart
Using find_program() to locate scripts part of the source tree causes meson to print messages at setup time for each of those scripts: Program ipa-sign.sh found: YES (/home/user/src/libcamera/src/ipa/ipa-sign.sh) This pollutes the meson setup log with useless messages, as we know the scripts are present. Use files() instead to avoid this. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-04-16libcamera: Make IPA module signing mandatory for the meantimeLaurent Pinchart
IPA module signing is optional, but when not available due to missing dependencies, we hit failures due to a non fully implemented IPA isolation. Make module signing mandatory until isolation is functional. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-04-16libcamera: Make IPA module signing optionalLaurent Pinchart
The IPA module signing mechanism relies on openssl to generate keys and sign the module. If openssl is not found on the system, the build will fail. Make the dependency optional by detecting openssl, and skip generation of signatures if openssl isn't found. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-04-14libcamera: Add IPA module signing infrastructureLaurent Pinchart
Add infrastructure to generate an RSA private key and sign IPA modules. The signatures are stored in separate files with a .sign suffix. Signed-off-by: Laurent Pinchart <laurent.pinchart@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>
2019-08-12android: 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>
2019-08-12android: Add camera metadata libraryJacopo Mondi
Import the Android camera metadata library from the ChromiumOS build system. The camera metadata library has been copied from https://chromium.googlesource.com/chromiumos/platform2 at revision 9e65ddd2c496e712f005ada9715decd2ff8e4a03 The original path in the Cros platform2/ repository is: camera/android/libcamera_metadata/src Create a new build target for the camera metadata library to create a static library to link against libcamera. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-06-05libcamera: ipa_manager: implement class for managing IPA modulesPaul Elder
IPAManager is a class that will search in given directories for IPA modules, and will load them into a list. It also provides an interface for pipeline handlers to acquire an IPA. A meson build file for the IPAs is added, which also specifies a hard-coded path for where to load the IPAs from in the installation directory. More paths can be specified with the environment variable LIBCAMERA_IPA_MODULE_PATH, with the same syntax as the regular PATH environment variable. Make the test framework set this environment variable. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-03-29qcam: Add Qt-based GUI applicationLaurent Pinchart
qcam is a sample camera GUI application based on Qt. It demonstrates integration of the Qt event loop with libcamera. The application lets the user select a camera through the GUI, and then captures a single stream from the camera and displays it in a window. Only streams in YUYV formats are supported for now. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-01-22cam: add utility to control camerasNiklas Söderlund
Provide a utility to interact with cameras. This initial state is limited and only supports listing cameras in the system and selecting a camera to interact with. There is not much a interacting possible yet with a camera so the tool simply exercise the API to get hold of a camera. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2018-12-06Overhaul the directory structureLaurent Pinchart
In order to match the directory structure of traditional projects, rename the top-level lib/ directory to src/libcamera/. Other libraries developed as part of the project will later find a home in src/. Split the libcamera header files in three categories: public headers describing the public API in include/libcamera/, internal headers describing the internal API in src/libcamera/include/, and private headers local to one or a small number of compilation units along the corresponding .cpp files. As no internal header exists yet the src/libcamera/include/ directory is created empty as the build system would fail otherwise. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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