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2021-07-22cam: Use std::unique_ptr<> to manage CameraManagerLaurent Pinchart
Store the CameraManager instance in a unique_ptr to simplify memory management and avoid leaks. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: Move camera acquire to the CameraSession classLaurent Pinchart
Continue moving towards making the CameraSession class the central point to handle a camera by moving the camera acquire operation. A new CameraSession::camera() function is needed to allow access to the camera from CamApp. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: Move CameraConfiguration creation to CameraSession classLaurent Pinchart
Creating a configuration for a camera is an operation that logically belongs to the CameraSession class. Move it there. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: Store camera session pointer in CamApp classLaurent Pinchart
Move the local CameraSession variable from the CamApp::run() function to a member variable of the CamApp class, created in CamApp::init(). This is a first step towards moving code to the CameraSession class. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: camera_session: Use std::unique_ptr<> to manage class membersLaurent Pinchart
Store the BufferWriter and FrameBufferAllocator pointers in std::unique_ptr<> instances to simplify memory management and avoid leaks. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: Move event loop execution from CameraSession to CamAppLaurent Pinchart
To prepare for multiple concurrent camera sessions, move the event loop exec() call from the CameraSession class to the CamApp class. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: Move event loop exit from CameraSession to CamAppLaurent Pinchart
Make exiting the event loop the responsibility of the application, not the camera session, to prepare for support of multiple camera sessions. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: camera_session: Access event loop through global instanceLaurent Pinchart
Don't pass the event loop to the CameraSession constructor, as passing this global object explicitly isn't a design that can scale. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: Rename Capture to CameraSessionLaurent Pinchart
Rename the Capture class to CameraSession, to prepare for multi-camera support that will gather more camera-related operations than capture in that class. While at it, remove an unneeded blank line. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: options: Fail parsing when non-option arguments are foundLaurent Pinchart
The options parser currently ignores non-option arguments silently, which is confusing. It's a common error to run 'cam -c1 -C 10' and expect only 10 frames to be captured. As the -C option takes an optional argument, the number 10 is interpreted as a non-option argument instead of the argument to the -C option. Fail parsing with an appropriate message and print usage information when a non-option argument is found. The parser may be extended later to accept non-option arguments when the application has a use for them. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-07-22cam: options: Avoid copies of OptionvValue and KeyValueParser::OptionsLaurent Pinchart
The OptionValue toKeyValues() and toArray() functions return a copy of the values. This is unnecessary, and can cause use-after-free issues when taking references to the return values. Return references instead to optimize the implementation and avoid issues. The behaviour of the two functions is now undefined in case of an option type mismatch. The current implementation catches this with an assertion. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-07-22cam: stream_options: Use OptionValue::empty() to test if option is setLaurent Pinchart
The roles() and updateConfiguration() functions check if the OptStream OptionValue they receive is empty by first casting it to an array. To prepare for the toArray() function not allowing such a cast when the option value is empty, test if the option value is empty instead. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-07-22cam: options: Add empty() function to OptionValue classLaurent Pinchart
Add a convenience helper to check if an option value is empty, based on the value type. This is useful as a shortcut syntax to check if an option has been set. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-07-22cam: options: Drop some OptionValue cast operatorsLaurent Pinchart
While OptionValue cast operators to int and std::string allow useful shortcut syntaxes, the cast operators to KeyValueParser::Options and std::vector<OptionValue> are less useful. A an explicit static_cast call would be more cumbersome to write than an explicit .toKeyValues() or toArray(), and implicit cast hide too much of what's going on. Drop those two cast operators, and replace the only implicit cast occurrence with .toKeyValues(). While at it, drop the local opts variable in StreamKeyValueParser::roles() as it isn't used. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: options: Support parent-child relationship between optionsLaurent Pinchart
Add support for creating a tree-based hieararchy of options instead of a flat list. This is useful to support options that need to be interpreted in the context of a particular occurrence of an array option. The usage text automatically documents the options in their corresponding context: Options: -c, --camera camera ... Specify which camera to operate on, by id or by index -h, --help Display this help message -I, --info Display information about stream(s) -l, --list List all cameras --list-controls List cameras controls -p, --list-properties List cameras properties -m, --monitor Monitor for hotplug and unplug camera events Options valid in the context of --camera: -C, --capture[=count] Capture until interrupted by user or until <count> frames captured -F, --file[=filename] Write captured frames to disk If the file name ends with a '/', it sets the directory in which to write files, using the default file name. Otherwise it sets the full file path and name. The first '#' character in the file name is expanded to the camera index, stream name and frame sequence number. The default file name is 'frame-#.bin'. -s, --stream key=value[,key=value,...] ... Set configuration of a camera stream height=integer Height in pixels pixelformat=string Pixel format name role=string Role for the stream (viewfinder, video, still, raw) width=integer Width in pixels --strict-formats Do not allow requested stream format(s) to be adjusted --metadata Print the metadata for completed requests Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: options: Move key string left in usage() for key-value parserLaurent Pinchart
When printing usage information for a key-value parser, the documentation of the keys and values is printed in the second column of the usage text: -s, --stream key=value[,key=value,...] ... Set configuration of a camera stream height=integer Height in pixels pixelformat=string Pixel format name role=string Role for the stream (viewfinder, video, still, raw) width=integer Width in pixels -h, --help Display this help message This results in long lines. Improve this by moving the key description to the first column, and aligning the value description as other option description text: -s, --stream key=value[,key=value,...] ... Set configuration of a camera stream height=integer Height in pixels pixelformat=string Pixel format name role=string Role for the stream (viewfinder, video, still, raw) width=integer Width in pixels -h, --help Display this help message Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: options: Disable copy for parsersLaurent Pinchart
Copying the OptionsParser class would result in the optionsMap_ entries pointing to Option entries of the original instance. As there's no use case for copying the class, disable copying. Disable copying of KeyValueParser as well for consistency as there's no use case either. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: options: Slit OptionsParser::usage() in two functionsLaurent Pinchart
To prepare for code reuse, split the printing of options out of OptionsParser::usage() to a separate function. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: options: Add optionName() function to Option structureLaurent Pinchart
Add an Option::optionName() function that returns a string describing the option name, with leading dashes. As a result, OptionsParser::parseValueError() function becomes a single-line function and can be inlined in its caller. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: options: Move OptionValue class after OptionsParserLaurent Pinchart
To prepare for usage of the OptionsParser::Options class in OptionValue, move the definition of the OptionValue class after OptionsParser. There is no functional change. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: options: Document the options parser APILaurent Pinchart
Before extending the option parser, document its existing API. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: options: Move Option struct to options.cppLaurent Pinchart
The Option structure is an internal implementation detail and shouldn't be exposed in the API. Move it to options.cpp. This requires moving the inline constructors and destructors for the KeyValueParser and OptionsParser classes to options.cpp as well, as they need a full definition of the Option structure. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22cam: options: Make KeyValueParser::usage() privateLaurent Pinchart
The KeyValueParser::usage() function is meant to be called from an OptionsParser or another KeyValueParser only. Make it private, and set the OptionsParser class as a friend of the KeyValueParser class. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-22ipa: rkisp1: Add support for V12 isp blocksHeiko Stuebner
Some values for array sizes differ between v10 and v12, so set them in init() and adjust the auto exposure algorithm to the ae value from there. Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com> Reviewed-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2021-07-19libcamera: v4l2_videodevice: Avoid extra construction of FramebufferUmang Jain
While populating the V4L2BufferCache, avoid the extra construction of FrameBuffer, which is currently done by passing the vector of FrameBuffer::Planes. It is not wrong per se, but futile to have another construction of FrameBuffer from a copy of buffer->planes() for the corresponding Entry. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-07-19libcamera: ipa_manager: Allow forcing IPA module isolationLaurent Pinchart
For test purpose it's useful to run open-source IPA modules in isolation. This can already be done by deleting the corresponding signature file, but that method can be inconvenient. Add a way to force IPA module isolation through a new LIBCAMERA_IPA_FORCE_ISOLATION environment variable. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2021-07-19libcamera: ipa_manager: Split common code out of createIPA()Laurent Pinchart
The createIPA() template function starts with code that doesn't depend on the template parameters. Split it to a non-template function to avoid code duplication in the binary. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2021-07-16libcamera: controls: Fix minor error in documentationJacopo Mondi
Fix a small spelling mistake in the ControlInfoMap documentation. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2021-07-16libcamera: Add pixel format BGRX8888Vedant Paranjape
This patch adds pixel format BGRX8888 to libcamera. Additionally adds mapping of V4L2 pixel format (V4L2_PIX_FMT_XRGB32) to BGRX8888. Signed-off-by: Vedant Paranjape <vedantparanjape160201@gmail.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-07-16libcamera: Fix the V4L2 pixel format for formats::XBGR8888Vedant Paranjape
This patch fixes V4L2 pixel format for formats::XBGR8888 by updating the existing matching to V4L2_PIX_FMT_RGBX32 Fixes: 4fd6bb33 ("libcamera: Add support for XRGB8888 and XBGR8888") Signed-off-by: Vedant Paranjape <vedantparanjape160201@gmail.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-07-15libipa: Correct OV5670 CameraSensorHelper gain valuesJean-Michel Hautbois
The datasheet states that the low 7 bits are fraction bits. real_gain = GainCode/128 For example, 0x080 is 1x gain, 0x100 is 2x gain. It means that we should have m0=1 and c1=128. Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-15libipa: Add CameraSensorHelper for OV13858Jean-Michel Hautbois
Extend the CameraSensorHelper factory with support for an OV13858 sensor as found in the Soraka Chromebook. The datasheet states that low 7 bits are fraction bits, so the gain is calculated as gainCode=128*gain. According to the formula, it means m0=1 and c1=128. m1 then has to be 0, and c0=0. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-14ipa: raspberrypi: Remove unused MetadataPtrJean-Michel Hautbois
The Metadata class defines a shared_ptr named MetadataPtr. It is not used anywhere in the source code, so remove it. Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
2021-07-12libcamera: raspberrypi: Allow the tuning file to be set by an environment ↵David Plowman
variable The configuration (camera tuning) file used by the Raspberry Pi comes by default from the sensor name. However, we now allow this to be overridden by the LIBCAMERA_RPI_TUNING_FILE environment variable. Signed-off-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Sebastian Fricke <sebastian.fricke@posteo.net> Reviewed-by: Naushir Patuck <naush@raspberrypi.com> 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>
2021-07-12libcamera: framebuffer: Make FrameBuffer class ExtensibleLaurent Pinchart
Implement the D-Pointer design pattern in the FrameBuffer class to allow changing internal data without affecting the public ABI. Move the request_ field and the setRequest() function to the FrameBuffer::Private class. This allows hiding the setRequest() function from the public API, removing one todo item. More fields may be moved later. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-12libcamera: Drop the LIBCAMERA_D_PTR macro in favour of the _d() functionLaurent Pinchart
Now that all Extensible classes expose a _d() function that performs appropriate casts, the LIBCAMERA_D_PTR brings no real additional value. Replace it with direct calls to the _d() function. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2021-07-12ipa: raspberrypi: Make variable names consistentNaushir Patuck
s/DefaultAnalogueGain/defaultAnalogueGain/ s/DefaultExposureTime/defaultExposureTime/ Change these for consistency with the other static const variables. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-07-12ipa: raspberrypi: Increase the default max frame duration to 250sNaushir Patuck
With the recent change to allow long exposures on the imx477, the existing 100s limit was not adequate. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-07-12pipeline: raspberrypi: Use priority write for vblank when writing sensor ctrlsNaushir Patuck
When directly writing controls to the sensor device, ensure that VBLANK is written ahead of and before the EXPOSURE control. This is the same priority write mechanism used in DelayedControls. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-07-12ipa: raspberrypi: Allow long exposure modes for imx477.Naushir Patuck
Update the imx477 CamHelper to use long exposure modes if needed. This is done by overloading the CamHelper::GetVBlanking function to return a frame length (and vblank value) computed using a scaling factor when the value would be larger than what the sensor register could otherwise hold. CamHelperImx477::Prepare is also overloaded to ensure that the "device.status" metadata returns the right value if the long exposure scaling factor is used. The scaling factor is unfortunately not returned back in metadata. With the current imx477 driver, we can achieve a maximum exposure time of approx 127 seconds since the HBLANK control is read-only. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com> 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>
2021-07-12ipa: raspberrypi: Add frame_length to DeviceStatusNaushir Patuck
Store the frame length into the DeviceStatus struct. The value is extracted from embedded data when available, or calculated from the VBLANK value passed from DelayedControls otherwise. Update imx477 and imx219 CamHelper classes to extract the frame length from the embedded data buffer. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-07-12ipa: raspberrypi: Add an operator<< to struct DeviceStatusNaushir Patuck
Add an operator<< overload to log all fields in DeviceStatus, and remove the manual logging statements in the IPA and CamHelper. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> 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>
2021-07-12ipa: raspberrypi: Add a constructor struct DeviceStatusNaushir Patuck
The constructor sets all fields to 0. This replaces the memset(0) and default value initialisation usage in the agc and lux controllers respectively. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-07-12ipa: raspberrypi: Make device_status.h C++ only header, and update commentsNaushir Patuck
This header file is no longer C compatible, so remove the extern "C" declaration. Replace C++ style comments with C style based on libcamera guidelines. There are no functional changes in this commit. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-07-11libcamera: buffer: Rename buffer.h to framebuffer.hLaurent Pinchart
libcamera names header files based on the classes they define. The buffer.h file is an exception. Rename it to framebuffer.h. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-11base: thread: Fix recursive calls to dispatchMessages()Laurent Pinchart
There are use cases for calling the dispatchMessages() function recursively, from within a message handler. This can be used, for instance, to force delivery of messages posted to a thread concurrently to stopping the thread. This currently causes access, in the outer dispatchMessages() call, to iterators that have been invalidated by erasing list elements in the recursive call, leading to undefined behaviour (most likely double-free or other crashes). Fix it by only erasing messages from the list at the end of the outer call, identified using a recursion counter. Bug: https://bugs.libcamera.org/show_bug.cgi?id=26 Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Tested-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-11base: thread: Document the postMessage() function as thread-safeLaurent Pinchart
The Thread::postMessage() function is thread-safe, document it as such. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-07-09ipa: libipa: Fixups in CameraSensorHelpersJean-Michel Hautbois
A few lines needed to be wrapped under 80 lines. Remove some unneeded documentation and minor typos. Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-07-06libcamera: transform: Document Transform enumerators as suchLaurent Pinchart
Due to a bug in Doxygen that didn't properly handle enum class enumerators when defined in a namespace, the Transform enumerators were documented with free-formed text. The issue has been fixed in Doxygen commit 309b397be106 ("issue #8281: Out-of-line documentation of scoped enums in the same namespace"). We can now fix the documentation. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
2021-07-06libcamera: media_device: Rename valid() function to isValid()Laurent Pinchart
We use isValid() instead of valid() through the code base, make MediaDevice consistent. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
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