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2020-08-25meson: Remove -Wno-unused-parameterLaurent Pinchart
We build libcamera with -Wno-unused-parameter and this doesn't cause much issue internally. However, it prevents catching unused parameters in inline functions defined in public headers. This can lead to compilation warnings for applications compiled without -Wno-unused-parameter. To catch those issues, remove -Wno-unused-parameter and fix all the related warnings with [[maybe_unused]]. 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>
2020-08-25libcamera: Drop explicit construction of std::queueLaurent Pinchart
Now that libcamera is using C++17 and requires gcc 7 or newer, we can use the implicit std::queue constructor. Simplify the code accordingly. 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>
2020-08-25libcamera: Replace utils::clamp() with std::clamp()Laurent Pinchart
Now that libcamera uses C++17, the C++ standard library provides std::clamp(). Drop our custom utils::clamp() function. 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>
2020-08-25libcamera: pipeline: ipu3: Remove stray "imgu." fileLaurent Pinchart
Commit 15df621fb9a7 ("libcamera: ipu3: Configure ImgU with the computed parameters") added an empty "imgu." file by mistake. Remove it. Fixes: 15df621fb9a7 ("libcamera: ipu3: Configure ImgU with the computed parameters") 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>
2020-08-24libcamera: object: Fix deleteLater() sample codeUmang Jain
Instead of using "delete obj" in the custom deleter of the shared object, we should have been using the "obj->deleteLater()" to explain how the deleteLater() API should be used in practice. Fixes: 9558886f7a85 ("libcamera: object: Add deleteLater() support) 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>
2020-08-23libcamera: pipeline: uvcvideo: Treat all UVC cameras as externalUmang Jain
We currently have no way to identify if the UVC device is external or internal(i.e. non-removable) to the system to set this property. Until we have a starting point to resolve this, treat all UVC cameras. Add a \todo explaining the situation for the same. Signed-off-by: Umang Jain <email@uajain.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-08-16libcamera: camera: Mark controls() and properties() as const operationsNiklas Söderlund
Reading the controls and properties does not modify the camera's state and can be marked as const operations. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-08-16libcamera: pipeline_handler: Mark controls() and properties() as const ↵Niklas Söderlund
operations Reading the controls and properties does not modify the pipeline's state and can be marked as const operations. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-08-16libcamera: pipeline_handler: Add const version of cameraData()Niklas Söderlund
Add a version of cameraData() that returns a const pointer and mark it as a const operation. The assert in the non-const version of the function already enforces that a std::map::at() operation would always succeed so there is no change in operation from the non-const version. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-08-14libcamera: request: Make Stream pointer constNiklas Söderlund
The Stream pointer just acts as a key in the Request object. There is no good use-case to modify a stream from a pointer retrieved from the Request, make it const. This allows pipeline handlers to better express that the Stream pointer is retrieved in a Request should just be treated as a key. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-08-14libcamera: request: Declare a using directive for map of buffersNiklas Söderlund
Declare a using directive for the map of Stream to FrameBuffer. Update all users of Request::buffers() to use the new usage directive. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-08-10libcamera: pipeline: rkisp1: Fix array size of formatsNiklas Söderlund
When switching from V4L2 to DRM pixel formats V4L2_PIX_FMT_GREY was dropped form the list of supported formats but the arrays size was never decreased, fix this. Fixes: 448716d8f7518579 ("libcamera: Switch PixelFormat to DRM FourCC values") Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Acked-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-08-06android: Introduce JPEG encodingKieran Bingham
Provide an encoder interface and implement a JPEG encoder using libjpeg. Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-08-06libcamera: buffer: Convert copyFrom to use MappedFrameBufferKieran Bingham
Utilise the new MappedFrameBuffer helper to handle all mapping and unmapping of the copyFrom helper function. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-08-06libcamera: buffer: Create a MappedBufferKieran Bingham
Provide a MappedFrameBuffer helper class which will map all of the Planes within a FrameBuffer and provide CPU addressable pointers for those planes. The MappedFrameBuffer implements the interface of the MappedBuffer allowing other buffer types to be constructed of the same form, with a common interface and cleanup. This allows MappedBuffer instances to be created from Camera3Buffer types. Mappings are removed upon destruction. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-08-06libcamera: formats: add numPlanes helperKieran Bingham
Determine the number of planes used by a format by counting the number of PixelFormatPlaneInfo entries with a valid entry. 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>
2020-08-06libcamera: buffer: Correct FrameBuffer referencesKieran Bingham
Update the remaining (capitalised) Buffer references to the new FrameBuffer object that they refer to. Lower-case 'buffer' terms are kept, as a generic reference to a buffer rather than the specific type 'FrameBuffer'. 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>
2020-08-05libcamera: camera_manager: Enforce unique camera IDsNiklas Söderlund
The camera ID is documented that it should be unique but it's not enforced. Change this by refusing to add cameras to the CameraManager that would create two cameras with the exact same ID. 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>
2020-08-05libcamera: camera: Rename name() to id()Niklas Söderlund
Rename Camera::name() to camera::id() to better describe what it represents, a unique and stable ID for the camera. While at it improve the documentation for the camera ID to describe it needs to be stable for a camera between resets of the system. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-08-05libcamera: pipeline: uvcvideo: Generate unique camera namesNiklas Söderlund
Generate camera names that are unique and persistent between system resets. The name is constructed from the USB device information as well as the USB controller on the host. Before this change example of camera names: Venus USB2.0 Camera: Venus USB2 Logitech Webcam C930e After this change the same cameras are: \_SB_.PCI0.RP05.PXSX-2.1.1:1.0-0ac8:3420 \_SB_.PCI0.RP05.PXSX-2.4:1.0-046d:0843 On OF-based system: /base/soc/usb@7e980000/usb-port@1-1.2:1.0-0ac8:3420 Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-08-05libcamera: pipelines: Use sensor ID as camera nameNiklas Söderlund
Use the CameraSensor ID as the camera name in pipelines that uses a CameraSensors, this is done in preparation of turning the camera name into an ID. The CameraSensor ID meets the requirements that will be put on camera ID. Before this change example of camera names: * OF based systems ov5695 7-0036 ov2685 7-003c * ACPI based systems ov13858 8-0010 ov5670 10-0036 * VIMC VIMC Sensor B After this change the same cameras are: * OF based systems /base/i2c@ff160000/camera@36 /base/i2c@ff160000/camera@36 * ACPI based systems \_SB_.PCI0.I2C2.CAM0 \_SB_.PCI0.I2C4.CAM1 * VIMC platform/vimc.0 Sensor B Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-05libcamera: camera_sensor: Add accessors for sensor IDNiklas Söderlund
Add an accessors so that the sensor ID can be used outside CameraSensor. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-05libcamera: camera_sensor: Generate a sensor IDNiklas Söderlund
The ID is generated from information in the firmware description of the sensor if available or from module and model information if the sensor is virtual (for example VIMC). Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-08-05libcamera: v4l2_device: Add method to lookup device pathNiklas Söderlund
Add a method to lookup a V4L2 devices path in sysfs. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-05libcamera: sysfs: Add helper to lookup device firmware node pathNiklas Söderlund
A system's firmware description is recorded differently in sysfs depending if the system uses DT or ACPI. Add a helper to abstract this, allowing users not to care which of the two are used. For DT-based systems, the path is the full name of the DT node that represents the device. For ACPI-based systems, the path is the absolute namespace path to the ACPI object that represents the device. In both cases, the path is guaranteed to be unique and persistent as long as the system firmware is not modified. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-08-05libcamera: sysfs: Add helper to lookup sysfs path of a character deviceNiklas Söderlund
Add a helper function to lookup the sysfs path of a character device. Store the function in a new libcamera::sysfs namespace as there is not class to host it. Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-05libcamera: ipu3: Fix compilation issues with gcc5Jacopo Mondi
GCC5 does not provide prototypes for the math library functions defined in the math.h header for the std:: namespace. Include the C++ <cmath> header in place of <math.h> as it defines overloads for the std::abs and std::fmod function. This goes intentionally against the libcamera coding guidelines, and is reported as warning by checkpatch.py. Fixes: 968ab9bad0ed ("libcamera: ipu3: imgu: Calculate ImgU pipe configuration") Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: pixel_format: Add a function to return format based on stringKaaira Gupta
Add a function which retrieves pixel format corresponding to its name from PixelFormatInfo. 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>
2020-08-03libcamera: formats: PixelFormatInfo: Add name lookup functionKaaira Gupta
Add a function which returns PixelFormatInfo, given format name as a string. Signed-off-by: Kaaira Gupta <kgupta@es.iitr.ac.in> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-08-03libcamera: ipu3: imgu: Rename configureInput()Jacopo Mondi
The ImgUDevice::configureInput() function does not only configure the input format but applies rectangles to the IF, BDS and GDC components. Rename it to ImgUDevice::configure(). Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: Configure ImgU with the computed parametersJacopo Mondi
Instrument the ImgUDevice::configureInput() function to use the provided pipe configuration parameters to configure the IF, BDS and GDC rectangles. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: Validate the pipe configurationJacopo Mondi
Collect the desired ImgU pipe configuration while assigning streams in the pipeline handler validate() function and ask the ImgUDevice class to calculate the pipe configuration parameters. If the requested pipe configuration results in a non-valid configuration, return an error from the validate() function. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: imgu: Calculate ImgU pipe configurationJacopo Mondi
Instrument the ImgU component to dynamically calculate the image manipulation pipeline intermediate sizes. To correctly configure the ImgU it is necessary to program the IF, BDS and GDC sizes, which are currently fixed to the input frame size. The procedure used to calculate the intermediate sizes has been ported from the pipe_config.py python script, available at: https://github.com/intel/intel-ipu3-pipecfg at revision: 61e83f2f7606 ("Add more information into README") Define two structures (ImgUDevice::Pipe and ImgUDevice::PipeConfig) to allow the pipeline handler to supply and retrieve configuration parameters from the ImgU. Finally, add a new operation to the ImgUDevice that calculates the pipe configuration parameters based on the requested input and output sizes. Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: Remove camera_ from IPU3CameraConfigurationJacopo Mondi
The IPU3CameraConfiguration::camera_ shared pointer is not used. Remove it. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: Remove streams from IPU3CameraConfigurationJacopo Mondi
The IPU3CameraConfiguration::streams_ field was used to keep an association between the StreamConfiguration and the assigned streams before CameraConfiguration::setStream() was called at configure() time. The stream assignment was based on the order in which elements were inserted in the vector, implementing a fragile association between streams and their intended configurations. As it is now possible to assign streams at validation time, there is no need to keep that association in place, and the streams_ vector is now unused. Remove it and the associated accessor method from the IPU3CameraConfiguration class. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: Adjust and assign streams in validate()Jacopo Mondi
Remove the adjustStream() and assignStream() methods, and perform stream adjustment and assignment while iterating the StreamConfiguration items. The adjustStream() implementation had some arbitrary assumption, like the main output having to be as large as the sensor resolution, and did not take into account the different alignment requirements between the main output and the viewfinder output. The assignStream() implementation also assumes only full-size streams can be produced by the main output, and having it as a separate function prevents adjusting streams according to which output they are assigned. Blend the two implementation in a single loop and perform the required stream adjustment and assignment in one go. As streams are now assigned at validate() time, remove the same operation from the configure() function. Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: cio2: Add a const sensor() methodJacopo Mondi
Add a const version of the CIO2Device::sensor() method, that retrieves a const pointer to the sensor_ class member, to be called by users which only own a const reference to a CIO2Device class instance. Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: camera: Zero streams before validate()Jacopo Mondi
The current implementation of the Camera::configure() method zeroes the stream pointers assigned to the StreamConfiguration items before calling the pipeline handler configure() operation, just after the CameraConfiguration has been validated. This discards the stream assignment performed at pipeline hander validation time, requiring platforms that need to perform that early assignment to maintain the association in place with custom data structures. To allow pipeline handlers to use StreamConfiguration::setStream() at validate() time, zero the stream assignment before calling validate(). Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: Validate the stream combinationJacopo Mondi
The IPU3 pipeline handler supports 2 processed RGB/YUV streams and one RAW stream. Validate that the requested stream combination is supported in the pipeline handler validate() implementation and return an error in case it's not. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: Remove initialization of SizeJacopo Mondi
The Size struct constructor defaults the width and height to 0. Remove the empty braced-list initialization as it is not required. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: Report StreamFormatsJacopo Mondi
Report StreamFormats associated to each StreamConfiguration generated by the IPU3 pipeline handler. The StreamFormats are generated differently for RAW and processed streams, with the former using the sensor enumerated resolutions and the latter using a continuous range of sizes constructed by matching the sensor capabilities with the platform constraints. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: Do not overwrite StreamConfigurationJacopo Mondi
The validate function overwrites the generated StreamConfiguration with the one reported by the CIO2 unit when inspecting the RAW stream configuration. As we prepare to add StreamFormats to the IPU3 StreamConfiguration, assigning to the CIO2 generated configuration would delete the StreamFormats. Fix this by updating relevant fields only in order to keep the assigned StreamFormats. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: cio2: Report format and sizesJacopo Mondi
Add two methods to the CIO2Device class to retrieve all the supported PixelFormats and sizes. Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: Make sure the config is validJacopo Mondi
Inspect the return status of validate() in the IPU3 pipeline handler generateConfigurtion() implementation. If the generated configuration is not valid, return a an empty configuration to the application. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: Remove streams from generateConfigurationJacopo Mondi
Remove stream assignment from the IPU3 pipeline handler generateConfiguration() implementation. The function aims to provide a suitable default for the requested use cases. Defer stream assignment to validation and only initialize sizes and formats. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: geometry: Add isNull() function to Rectangle classJacopo Mondi
It's common for code to check if a rectangle is null. Add a helper function to do so and test the function in test/geometry.cpp Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: utils: Add alignUp and alignDown functionsJacopo Mondi
Add to libcamera utils library two functions to round up or down a value to an alignment and add a test in test/utils.cpp for the two new functions. Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: ipu3: Rename mbusCodesToInfoJacopo Mondi
The mbusCodesToInfo map actually maps media bus codes to PixelFormat instances. Rename the map according to its actual function and while at it drop the 'static' keyword as the map is already defined in an anonymous namespace. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2020-08-03libcamera: device_enumerator_udev: Initialize monitor_ and notifier_ to nullptrNiklas Söderlund
The monitor_ and notifier_ pointers are acted on in the destructor if not set to nullptr, the pointers are however first initialized in init() and enumerate(). Avoid acting on uninitialized pointers by initializing them to nullptr in the constructor. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <email@uajain.com>
2020-07-31libcamera: camera: Ensure deletion via deleteLater()Umang Jain
Object::deleteLater() ensures that the deletion of the Object takes place in a thread it is bound to. Deleting the Object in a different thread is a violation according to the libcamera threading model. On hot-unplug of a currently streaming camera, the last reference of Camera when dropped from the application thread (for e.g. QCam's thread), the destructor is then called from this thread. This is not allowed by the libcamera threading model. Camera is meant to be deleted in the thread it is bound to - in this case the CameraManager's thread. 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>