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2020-07-23libcamera: v4l2_subdevice: Replace ImageFormats with a mapNiklas Söderlund
Replace the V4L2Subdevice usage of the ImageFormats class with a std::map and the utils::map_keys() helper. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-07-17tests: v4l2_compat: Fix v4l2-compliance and v4l2-ctl version parsingPaul Elder
v4l2-compliance originally printed the SHA before the version, leading to the indexing that was used previously. Now that the version is printed before the SHA, the indexing is incorrect. Fix this. Although v4l2-ctl doesn't suffer the same issue, it is more correct to use the zeroth index like the v4l2-compliance version check now does, so fix that as well. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-07-17libcamera: ipa_interface: Add support for custom IPA data to configure()Laurent Pinchart
Add two new parameters, ipaConfig and result, to the IPAInterface::configure() function to allow pipeline handlers to pass custom data to their IPA, and receive data back. Wire this through the code base. The C API interface will be addressed separately, likely through automation of the C <-> C++ translation. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-07-15test: file: Add file creation testLaurent Pinchart
Add a test to verify file creation with File::open(). The test is expected to fail as the File::open() implementation is not correct. 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>
2020-07-15test: file: Add read/write testsLaurent Pinchart
Add tests for the File::read() and File::write() functions. 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>
2020-07-15libcamera: geometry: Provide in-place versions of the Size helpersLaurent Pinchart
Add alignDownTo(), alignUpTo(), boundTo() and expandTo() helper functions to the Size class. These are in-place versions of the existing alignedDownTo(), alignedUpTo(), boundedTo() and expandedTo() functions. The new helpers return a reference to the size, to allow chaining the functions. One can thus write size.alignDownTo(16, 16).alignUpTo(32, 32) .boundTo({ 40, 80 }).expandTo({ 16, 80 }); instead of size.alignDownTo(16, 16); size.alignUpTo(32, 32); size.boundTo({ 40, 80 }); size.expandTo({ 16, 80 }); Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-07-15libcamera: geometry: Add helper functions to the Size classLaurent Pinchart
Pipeline handlers commonly have to calculate the minimum or maximum of multiple sizes, or align a size's width and height. Add helper functions to the Size class to perform those tasks. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-07-13tests: v4l2_compat: Check v4l2-compliance and v4l2-ctl versionsPaul Elder
v4l2-compliance and v4l2-ctl with version 1.20 and before will fail with v4l2-compat. Check the versions of v4l2-compliance and v4l2-ctl before continuing. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-07-13tests: v4l2_compat: Prettify failure outputPaul Elder
When a test is being run on a video device, there is output like so: Testing /dev/video0 with uvcvideo driver... and when it succeeds, "success" is appended: Testing /dev/video0 with uvcvideo driver... success On failure, however, the output of v4l2-compliance is printed before "failure" is printed, resulting in the first line of the v4l2-compliance output to be printed on the same line as the message: Testing /dev/video2 with uvcvideo driver... v4l2-compliance SHA: not available, 64 bits <v4l2-compliance output> failure Refactor the code to make "failure" print before the output of the test, to prettify the output upon failure. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-07-10tests: v4l2_compat: Add test for v4l2_compatPaul Elder
Test the V4L2 compatibility layer by running v4l2-compliance -s on every /dev/video* device. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-07-09libcamera: utils: Add map_keys() functionLaurent Pinchart
Add a map_keys() function to the utils namespace to extract keys from a map. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> [Niklas: change return type to std::vector instead of std::set] Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-07-08libcamera: Use Size::isNull()Laurent Pinchart
Use the new Size::isNull() function through the code base to replace manual checks. While the new code isn't equivalent, as isNull() checks that both width and height are zero, it catches the same conditions in practice. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <email@uajain.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-06-29libcamera: geometry: Add isNull() function to Size classLaurent Pinchart
It's common for code to check if a size is null. Add a helper function to do so. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <email@uajain.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-06-25libcamera: pixel_format: Replace hex with format namesKaaira Gupta
Print format names defined in formats namespace instead of the hex values in toString() as they are easier to comprehend. For this add a property of 'name' in PixelFormatInfo' so as to map the formats with their names. Print fourcc for formats which are not used in libcamera. Signed-off-by: Kaaira Gupta <kgupta@es.iitr.ac.in> 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>
2020-06-18test: Replace explicit DRM FourCCs with libcamera formatsLaurent Pinchart
Use the new pixel format constants to replace usage of macros from drm_fourcc.h. 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>
2020-06-17tests: Introduce hotplug hot-unplug unit testUmang Jain
This test checks the code-paths for camera's hotplugged and unplugged support. It is based on bind/unbind of a UVC device from sysfs. Hence, this test requires root permissions to run and should have at least one already bound UVC device present in the system. Signed-off-by: Umang Jain <email@uajain.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-06-08test: v4l2_subdevice: list_formats: Port to use utils::hex() output helperUmang Jain
The hex stream output helper was introduced in f391048a7b98 ("libcamera: utils: Add hex stream output helper"). It simplifies writing hexadecimal values to an ostream which can be used in this test too. As the helper doesn't modify the stream configuration (refer to utils::hex() documentation), this eliminates the need of restoring the stream's format state as pointed out by the coverity scan. Reported-by: Coverity CID=279058 Signed-off-by: Umang Jain <email@uajain.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-06-08libcamera: IPAManager: remove instance() and make createIPA() staticPaul Elder
As the only usage of IPAManager::instance() is by the pipeline handlers to call IPAManager::createIPA(), remove the former and make the latter static. Update the pipeline handlers and tests accordingly. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-06-08libcamera: IPAManager: make IPAManager lifetime explicitly managedPaul Elder
If any ipa_context instances are destroyed after the IPAManager is destroyed, then a segfault will occur, since the modules have been unloaded by the IPAManager and the context function pointers have been freed. Fix this by making the lifetime of the IPAManager explicit, and make the CameraManager construct and deconstruct (automatically, via a unique pointer) the IPAManager. Also update the IPA interface test to do the construction and deconstruction of the IPAManager, as it does not use the CameraManager. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-06-04test: log: log_api: Close open fds on error pathsUmang Jain
Reported-by: Coverity CID=279091 Signed-off-by: Umang Jain <email@uajain.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-06-04test: log: log_process: Close open fds on error pathsUmang Jain
Reported-by: Coverity CID=279097 Signed-off-by: Umang Jain <email@uajain.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-06-02test: Fixed the compilation issueMadhavan Krishnan
The return value of write() function is ignored, causing the following compiler error|warning with gcc version 5.4 error: ignoring return value of 'ssize_t write(int, const void*, size_t)' Fix this by storing the return value of write() and return a test error in case of failure. Reported-by: Coverity CID=284605 Signed-off-by: Madhavan Krishnan <madhavan.krishnan@linaro.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-05-19test: file-descriptor: Add "fd move" constructor testLaurent Pinchart
Add a test for the newly added "fd move" constructor. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-05-16libcamera: Move IPA headers from include/ipa/ to include/libcamera/ipa/Laurent Pinchart
The IPA headers are installed into $prefix/include/libcamera/ipa/, but are located in the source tree in include/ipa/. This requires files within libcamera to include them with #include <ipa/foo.h> while a third party IPA would need to use #include <libcamera/ipa/foo.h> Not only is this inconsistent, it can create issues later if IPA headers need to include each other, as the first form of include directive wouldn't be valid once the headers are installed. Fix the problem by moving the IPA headers to include/libcamera/ipa/. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Jacopo Mondi <jacopo@jmondi.org>
2020-05-16libcamera: Move internal headers to include/libcamera/internal/Laurent Pinchart
The libcamera internal headers are located in src/libcamera/include/. The directory is added to the compiler headers search path with a meson include_directories() directive, and internal headers are included with (e.g. for the internal semaphore.h header) #include "semaphore.h" All was well, until libcxx decided to implement the C++20 synchronization library. The __threading_support header gained a #include <semaphore.h> to include the pthread's semaphore support. As include_directories() adds src/libcamera/include/ to the compiler search path with -I, the internal semaphore.h is included instead of the pthread version. Needless to say, the compiler isn't happy. Three options have been considered to fix this issue: - Use -iquote instead of -I. The -iquote option instructs gcc to only consider the header search path for headers included with the "" version. Meson unfortunately doesn't support this option. - Rename the internal semaphore.h header. This was deemed to be the beginning of a long whack-a-mole game, where namespace clashes with system libraries would appear over time (possibly dependent on particular system configurations) and would need to be constantly fixed. - Move the internal headers to another directory to create a unique namespace through path components. This causes lots of churn in all the existing source files through the all project. The first option would be best, but isn't available to us due to missing support in meson. Even if -iquote support was added, we would need to fix the problem before a new version of meson containing the required support would be released. The third option is thus the only practical solution available. Bite the bullet, and do it, moving headers to include/libcamera/internal/. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Jacopo Mondi <jacopo@jmondi.org>
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>
2020-04-30libcamera: v4l2_pixelformat: Move DRM/V4L2 format conversionLaurent Pinchart
Move the DRM/V4L2 format conversion code from V4L2VideoDevice to V4L2PixelFormat. This is a more natural home for the code. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-04-28libcamera: ipa: Add support for CameraSensorInfoJacopo Mondi
Add support for camera sensor information in the libcamera IPA protocol. Define a new 'struct ipa_sensor_info' structure in the IPA context and use it to perform translation between the C and the C++ API. Update the IPAInterface::configure() operation to accept a new CameraSensorInfo parameter and port all users of that function to the new interface. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-04-28test: camera_sensor: Test the model() functionLaurent Pinchart
Verify that the sensor model matches the expected value. The whole model extraction heuristic isn't fully tested as that would require being able to inject different entity names. It is still useful as an initial step. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-04-28libcamera: v4l2_device: Simplify usage of getControls()Laurent Pinchart
The V4L2Device::getControls() function takes a ControlList that needs to be pre-populated with dummy entries for the controls that need to be read. This is a cumbersome API, especially when reading a single control. Make it nicer by passing the list of V4L2 controls as a vector of control IDs, and returning a ControlList. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-04-28test: ipa: ipa_interface: Pass configuration file to IPA init()Laurent Pinchart
Pass the vimc IPA dummy configuration file to the IPA init() function. This will be used by the IPA to validate the init() call. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-04-28ipa: Pass IPA initialization settings to IPAInterface::init()Laurent Pinchart
Add a new IPASettings class to pass IPA initialization settings through the IPAInterface::init() method. The settings currently only contain the name of a configuration file, and are expected to be extended later. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-04-28ipa: Name IPA modules after their source directoryLaurent Pinchart
The IPAModuleInfo::name field is currently a free-formed string that has little use. Tighten its usage rules to make it suitable for building file system paths to IPA-specific resources by matching the directory name of the IPA module. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-04-27test: Use float values for brightness, contrast and saturationLaurent Pinchart
Two tests use the brightness, contrast and saturation controls with integer failures. They were not updated by commit eff4b1aa01c1 which turned those controls into floats. This doesn't cause test failures as the control API converts the value types. For correctness, update the tests to use float values. Fixes: eff4b1aa01c1 ("libcamera: controls: Reorder and update description of existing controls") Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-04-15test: list-camera: Handle error on starting the CameraManagerUmang Jain
Pointed out by Coverity DefectId=297074 Signed-off-by: Umang Jain <email@uajain.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-04-15libcamera: utils: Add string join functionLaurent Pinchart
Add a utils::join() function to join elements of a container into a string, with a separator and an optional conversion function if the elements are not implicitly convertible to std::string. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-04-14libcamera: ipa: Remove IPAModuleInfo license fieldLaurent Pinchart
The IPAModuleInfo license field isn't needed anymore now that modules are cryptographically signed. Remove it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-04-14test: Add File class testsLaurent Pinchart
Add tests for the File class API. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-04-14ipa: Add start() and stop() operationsNiklas Söderlund
Add two new operations to the IPA interface to start and stop it. The intention is that these functions shall be used by the IPA to perform actions when the camera is started and stopped. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-03-27libcamera: v4l2PixelFormat: Replace hex with fourCCKaaira Gupta
Print fourCC characters instead of the hex value in toString() as they are more informative. Also, write the tests for this in formats.cpp Signed-off-by: Kaaira Gupta <kgupta@es.iitr.ac.in> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-26test: ipa: Fix path to VIMC IPANiklas Söderlund
When changing the VIMC IPA source file structure the path in the ipa_module_test which needs access to the .so file was not updated, fix that. The omission was hard to spot as it requires a clean build of the project as the old .so file is still in the build tree and the test passes. Fixes: a25533089bda04da ("ipa: Move vimc to a subdirectory") Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-23test: v4l2_videodevice: Test U8 array controlsJacopo Mondi
Test V4L2 array control using vivid control VIVID_CID_U8_4D_ARRAY. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-03-20test: controls: control_value: Test string control typeLaurent Pinchart
Add test cases for the string control type. As strings are implemented as char arrays, arrays of strings are not supported. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-03-20libcamera: controls: Rename ControlRange to ControlInfoLaurent Pinchart
To prepare for storage of additional information in the ControlRange structure, rename it to ControlInfo. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-03-20libcamera: controls: Name all ControlInfoMap instance variables infoMapLaurent Pinchart
To prepare for the rename of ControlRange to ControlInfo, rename all the ControlInfoMap instance variables currently named info to infoMap. This will help avoiding namespace clashes. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-03-19libcamera: v4l2_videodevice: Make V4L2PixelFormat constructor explicitLaurent Pinchart
To achieve the goal of preventing unwanted conversion between a DRM and a V4L2 FourCC, make the V4L2PixelFormat constructor that takes an integer value explicit. All users of V4L2 pixel formats flagged by the compiler are fixed. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-03-19libcamera: v4l2_videodevice: Rename toV4L2Fourcc to toV4L2PixelFormatLaurent Pinchart
Now that the functions return a V4L2PixelFormat, adapt their name accordingly. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-03-19libcamera: geometry: Construct SizeRange from SizeLaurent Pinchart
The SizeRange constructors take minimum and maximum width and height values as separate arguments. We have a Size class to convey size information, use it in the constructors, and update the callers. 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>
2020-03-18libcamera: framebuffer_allocator: Lift camera restrictions on allocatorLaurent Pinchart
The Camera class currently requires the allocator to have no allocated buffer before the camera is reconfigured, and the allocator to be destroyed before the camera is released. There's no basis for these restrictions anymore, remove them. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-03-18libcamera: v4l2_videodevice: Rename exportBuffers() to allocateBuffers()Laurent Pinchart
To prepare for the rework of buffer allocation that will differentiate export and allocation, rename exportBuffers() to allocateBuffers(). Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>