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2018-12-03lib: Fix class and namespace usageKieran Bingham
The (dummy) init_lib function was linking correctly only due to a namespace 'collision' adding the init_lib to libcamera namespace, which is 'shared' by class libcamera. The init function was designed to be a class member function of the libcamera object - and is used as such in the existing test function. Instead of relying on the namespace collision - update the lib/main.cpp example file to correctly utilise the class header - and specify the function declaration, so that further implementations do not fall into the same bad habits. Reported-by: Jacopo Mondi <jacopo@mondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2018-12-02utils: ipu3: Add test process scriptLaurent Pinchart
The script processes raw frames through the Intel IPU3 IMGU. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2018-11-30meson: Describe minimum meson version requirementsKieran Bingham
We utilise 'add_project_arguments' which is only available in version 0.36 and 'build_by_default' which is only available in version 0.40 of meson. Add this dependancy to the project requirements. Reported-by: Jacopo Mondi <jacopo@mondi.org> Acked-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2018-11-29utils: ipu3: Add test capture scriptLaurent Pinchart
The script captures raw frames from cameras based on the Intel IPU3. It takes the sensor name as an argument and isn't meant to depend on a particular platform. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2018-11-28Documentation: Introduce sphinx documentationKieran Bingham
Utilise sphinx-build to generate documentation in HTML form, and populate with some initial content. An initial conf.py is generated from sphinx-quickstart and answering initial questions. Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2018-11-28licenses: Add licenses subdirectoryKieran Bingham
Code licensing will be specified with SPDX license headers. Documentation will be licensed under CC-by-SA. Include the common license text files to reference with the headers. Licenses are extracted from the following locations: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt https://www.gnu.org/licenses/old-licenses/gpl-2.0.txt https://creativecommons.org/licenses/by-sa/4.0/legalcode.txt Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2018-11-28meson: Replace tabs for spacesKieran Bingham
Tabs are disliked within the meson build system. Replace indentation by spaces, in all existing locations. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2018-11-27build: Add project argumentsKieran Bingham
Add language specific project arguments and ensure that -Werror is enabled, enforcing code to be as clean as possible. Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2018-11-27include: Install include filesKieran Bingham
The include directory was defined but not installed. Add it to the meson build structure to incorporate it as part of the library install. To facilitate the same include paths in our internal includes, update the structure for headers to match the install structure. Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2018-11-27lib: Include library in the install targetKieran Bingham
The shared library build target does not install the library when 'ninja install' is executed. Flag it as an installable item. Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2018-11-26README: Update build instructionsKieran Bingham
README is currently a bit too sparse, and there is no guidance on how to use our build system. Add some initial instructions. Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2018-11-22test: Register the initialisation test with mesonKieran Bingham
Register the test so that it can integrate with the meson test framework. To execute the test suite, use 'ninja test'. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2018-11-20utils: ipu3: Add IPU3 raw capture unpack utilityLaurent Pinchart
The IPU3 captures Bayer data in a 25-pixels-in-32-bytes packed format, which no standard tool can process. Add a quick implementation of data unpacking to turn raw binary files into 16 bits per pixel unpacked Bayer data. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2018-10-24build: Provide initial meson infrastructureKieran Bingham
Define the starting points for the libcamera build using meson and ninja build components. An initial 'dummy' library class is created, and a test binary links against the shared library calling it's init_lib() function. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2018-10-24libcamera: Supporting complex camera pipelinesKieran Bingham
Cameras are complex devices that need heavy hardware image processing operations. Control of the processing is based on advanced algorithms that must run on a programmable processor. This has traditionally been implemented in a dedicated MCU in the camera, but in embedded devices algorithms have been moved to the main CPU to save cost. Blurring the boundary between camera devices and Linux often left the user with no other option than a vendor-specific closed-source solution. To address this problem the Linux media community has very recently started collaboration with the industry to develop a camera stack that will be open-source-friendly while still protecting vendor core IP. libcamera was born out of that collaboration and will offer modern camera support to Linux-based systems, including traditional Linux distributions, ChromeOS and Android.