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2019-11-20libcamera: v4l2_videodevice: Simplify error checking for requestBuffers()Niklas Söderlund
There is no point in explicitly checking the same error in the only call sites for the internal function, centralize the check and simplify the code. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-11-20cam: BufferWriter: Use the libcamera namespaceNiklas Söderlund
Other parts of the cam utility uses the libcamera namespace, do the same in the buffer writer. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-11-19libcamera: camera: Remove explicit stream to buffer map in requestCompleted ↵Niklas Söderlund
signal The stream to buffer map in the requestCompleted signal is taken directly from the request which is part of the same signal. Remove the map as it can be fetched directly from the request. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-11-19libcamera: buffer: Drop friend statementNiklas Söderlund
The Buffer class do not need to friend PipelineHandler, drop it. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-11-19libcamera: buffer: Plane: Drop friend statementNiklas Söderlund
The Plane class do not need to friend Stream, drop it. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-11-19libcamera: buffer: Drop forward declaration of BufferPoolNiklas Söderlund
There is no need to forward declare BufferPool, drop it. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-11-18libcamera: Fix compilation with uClibc and uClibc-ngLaurent Pinchart
Neither uClibc nor uClibc-ng support O_TMPFILE. Define it in utils.h if not defined. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-11-18README: Simplify a bit the build instructionsEzequiel Garcia
Less typing for the same result. Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-11-18libcamera: Remove space between empty curly bracketsLaurent Pinchart
Remove spaces between empty curly brackets (replacing { } with {}) to comply with the coding style. Fix one other coding style violation on the lines touched by those fixes. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-11-08libcamera: Remove unneeded semicolonsLaurent Pinchart
Comply with the coding style by removing lots of unneeded semicolons. Fix a few other coding style violations on the lines touched by those fixes. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-10-30android: Replace ThreadRPC with blocking method callJacopo Mondi
Use the newly introduced InvocationTypeBlocking message type to replace the blocking message delivery implemented with the ThreadRPC class in the Android camera HAL. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-10-29test: object-invoke: Invoke method in blocking modeJacopo Mondi
Change the object-invoke test to perform the second method invocation operation in blocking mode. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-10-29libcamera: object: Add connection type parameter to invokeMethod()Jacopo Mondi
Allow specifying a different connection type than ConnectionTypeQueued for Object::invokeMethod(). Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-10-29libcamera: object: Use bound method activePack() for invokeMethod()Laurent Pinchart
The BoundMethodBase::activatePack() and the internal Object::invokeMethod() are duplicate implementation of the same mechanism. Use the former to replace the latter. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-10-29libcamera: signal: Specify connection type for signalsLaurent Pinchart
Add a connection type parameter to the Signal::connect() method to control signal delivery. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-10-29libcamera: bound_method: Support connection typesLaurent Pinchart
Support all connection types in the BoundMethodBase::activePack() method. To support this, add a semaphore to the InvokeMessage to signal delivery. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-10-29libcamera: bound_method: Store connection type in BoundMethodBaseLaurent Pinchart
Store the connection type in the base BoundMethodBase class to make it accessible to all bound methods. The default type is ConnectionTypeAuto. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-10-29libcamera: bound_method: Define connection type for method invocationJacopo Mondi
Define an enumeration of connection types to describe the delivery method of signals and method invocation. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-10-28libcamera: Add Semaphore classLaurent Pinchart
Add a general-purpose counting semaphore class. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-10-28libcamera: Switch PixelFormat to DRM FourCC valuesJacopo Mondi
Use DRM FourCC values for the newly defined PixelFormat. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-10-28libcamera: v4l2_videodevice: Add PixelFormat conversionJacopo Mondi
In preparation for switching PixelFormat to DRM pixel formats, add helper methods to the V4L2VideoDevice class to translate between DRM pixel formats and V4L2 pixel formats. More work is needed to properly support the V4L2 multi-planar (NV[0-9]*M) formats. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-10-28libcamera: stream: Use the newly defined PixelFormatJacopo Mondi
Use the newly defined PixelFormat type to define the image format contained in the StreamFormats and StreamConfiguration classes. Update the classes documentation accordingly. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-10-28libcamera: Define a PixelFormat type for application-facing formatsJacopo Mondi
Define a PixelFormat type as a simple typedef to an uint32_t. The usage of a dedicated type creates a cleaner and more self-described API. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-10-28include: drm_fourcc: Add Motion-JPEG FourCCJacopo Mondi
Add a FourCC for Motion-JPEG compressed format. This is a temporary addition until the format gets merged in the upstream kernel. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-10-28include: linux: Import DRM/KMS headers from Linux v5.2Jacopo Mondi
Import DRM/KMS header files from Linux kernel v5.2. The DRM headers are used to prepare to use the DRM-defined pixel formats (DRM_FORMAT_*) in place of the currently used V4L2 pixel formats (V4L2_PIX_FMT_*). Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-10-28include: linux: Update headers to Linux v5.2Jacopo Mondi
Update headers to Linux v5.2. The Rockchip ISP1 formats that were added manually in commit 97dce7a13fa3 ("include: linux: Add rkisp1 kernel header and format definitions") are kept. Otherwise the headers come straight from the upstream kernel. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-10-28libcamera: formats: Write libcamera in lowercaseLaurent Pinchart
The libcamera name should never be capitalized. Fix the two incorrect occurrences. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-10-27libcamera: bound_method: Fix compiler warning due to unused argumentsLaurent Pinchart
The BoundStaticMethod::invoke() method is never used, but must still be implemented as the base class defines it as pure virtual. As it doesn't use its arguments, the compiler generates a warning. Fix it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-10-26include: libcamera: Install control_ids.hJacopo Mondi
Make the auto-generated control_ids.h file as part of the libcamera installation. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2019-10-26cam: capture: remove unused local variablePaul Elder
Remove unused local map variable. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-10-25libcamera: pipeline: vimc: Support format enumerationLaurent Pinchart
Fill the StreamConfiguration with all supported formats. The list of supported formats is currently hardcoded based on the limits of the vimc driver. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-10-25qcam: Don't ask for a camera when only one existsKieran Bingham
If there is only one camera exposed by libcamera, there is little value in asking the user to choose it. Automatically select it, and remove the need to ask the user to select 'ok' from a Dialog box. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-10-24Documentation: Add git clone information to Getting StartedLaurent Pinchart
As the Getting Started section is displayed on the website, it should contain commands related to cloning the repository. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-10-23Documentation: theme: css: Really hide toc treesLaurent Pinchart
The toc trees are rendered as hidden but still take space due to their margin and padding. Really hide them. While at it, don't handle overflow with scrollbars in the content area, the whole page should be scrollable. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-10-23Documentation: theme: css: Make text darkerLaurent Pinchart
The text is currently rendered as a 50% gray, which is a bit painful to read in low light conditions. Make it darker. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-10-23Documentation: Hide the Getting Started informationLaurent Pinchart
The Getting Started information makes little sense on the generated documentation, as a developer with documentation compiled from a local libcamera source tree has already got started. We however want to keep the information in the top-level README.rst as it is useful there. In order to hide the Getting Started information from the front page while keeping it in README.rst, add comments to delimitate sections of README.rst, and include only a subset of the file in the front page. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-10-23Documentation: Set the index TOC max depth to 1Laurent Pinchart
We don't need more than one level in the main TOC tree, set the max depth to 1. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-10-23Documentation: Generate local TOC on demandLaurent Pinchart
All pages are generated with a local TOC, which is pointless on simple pages such as the front page, or other pages containing little content. Use the .. contents:: :local: directive instead to generate the local TOC on demand, and remove the automatic local TOC generation. Only the Docs page uses a local TOC. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-10-23Documentation: Link to API section in DocsLaurent Pinchart
The API belongs to the docs section. Link to it from docs.rst, and remove the shortcut in the navigation bar as links to a placeholder only. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-10-23Documentation: contributing: Remove Sphinx + Doxygen integrationLaurent Pinchart
Sphinx integration with Doxygen didn't produce the expected results, we will not go that way. Don't mention it on the contributing page. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-10-23Documentation: Move coding style under contributingLaurent Pinchart
The coding style isn't so important that it has to be displayed on the top contents bar. Move it to the contributing section. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-10-23libcamera: Standardise on C compatibility headersLaurent Pinchart
Now that our usage of C compatibility header is documented, use them consistently through the source code. While at it, group the C and C++ include statements as defined in the coding style, and fix a handful of #include ordering issues. 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>
2019-10-23utils: checkstyle.py: Add include checkerLaurent Pinchart
Add an include checker to verify usage of the C compatibility headers. 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>
2019-10-23Documentation: coding-style: Document order of includesLaurent Pinchart
We follow the Google C++ Style Guide rule on include ordering with a few tweaks. Document our rule explicitly. 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>
2019-10-23Documentation: coding-style: Document usage of C compatibility headersLaurent Pinchart
The C++ standard defines a set of C++ standard library headers, and for some of them, defines C compatibility headers. The former have a name of the form <cxxx> while the later are named <xxx.h>. The C++ headers declare names in the std namespace, and may declare the same names in the global namespace. The C compatibility headers declare names in the global namespace, and may declare the same names in the std namespace. We want to standardise on one set of headers through libcamera, and don't want to rely on optional behaviour. We can thus either use the C++ headers with an explicit std:: namespace qualifier through the code, or the C headers without the qualifier. Both set of headers are defined by the C++ standard, and are thus valid choices. After weighing pros and cons, we have decided to use the C compatibility headers, as nobody wanted to write std::uint32_t. Document this decision. 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>
2019-10-23libcamera: controls: Remove rogue ';'Jacopo Mondi
The ';' at the end of an inline method declaration is not required. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2019-10-22libcamera: pipeline_handler: Fix trivial spellingKieran Bingham
Signaled is an American spelling. s/signaled/signalled/ Fixes: b2c06cf40975 ("libcamera: Handle request completion explicitly in pipeline handlers") Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-10-17qcam: Support Qt versions earlier than 5.9Laurent Pinchart
The QtEventDispatcher timers implementation depends on Qt 5.9 or newer due to the use of QObject::startTimer(std::chrono::milliseconds). Support earlier Qt versions by using the QObject::startTimer(int) version instead. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-10-15libcamera: v4l2_controls: Remove V4L2ControlList classLaurent Pinchart
The V4L2ControlList class only provides a convenience constructor for the ControlList, which can easily be moved to the ControlList class and may benefit it later (to construct a ControlList from controls supported by a camera). Move the constructor and remove V4L2ControlList. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-10-15libcamera: controls: Merge ControlInfoMap and V4L2ControlInfoMapLaurent Pinchart
The ControlInfoMap and V4L2ControlInfoMap classes are very similar, with the latter adding convenience accessors based on numerical IDs for the former, as well as a cached idmap. Both features can be useful for ControlInfoMap in the context of serialisation, and merging the two classes will further simplify the IPA API. Import all the features of V4L2ControlInfoMap into ControlInfoMap, turning the latter into a real class. A few new constructors and assignment operators are added for completeness. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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