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2020-04-14ipa: vimc: Remove isolated VIMC IPA moduleLaurent Pinchart
The isolated VIMC module isn't used in any test. Remove it to prepare for the rework of IPA module isolation. The feature can be added back later alongside corresponding tests if needed. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-04-14libcamera: ipa_manager: Proxy open-source IPAs to a threadLaurent Pinchart
While closed-source IPA modules will always be sandboxed, open-source IPA modules may be run in the main libcamera process or be sandboxed, depending on platform configuration. These two models exhibit very different timings, which require extensive testing with both configurations. When run into the main libcamera process, IPA modules are executed in the pipeline handler thread (which is currently a global CameraManager thread). Time-consuming operations in the IPA may thus slow down the pipeline handler and compromise real-time behaviour. At least some pipeline handlers will thus likely spawn a thread to isolate the IPA, leading to code duplication in pipeline handlers. Solve both issues by always proxying IPA modules. For open-source IPA modules that run in the libcamera process, a new IPAProxyThread class is added to run the IPA in a separate thread. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> [Niklas: Move thread start/stop of thread into start()/stop()] Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-04-14libcamera: pipeline: vimc: Call IPA start() and stop()Niklas Söderlund
Call the IPA start()/stop() functions before/after the camera is started. This makes sure the IPA functions properly once thread management is moved into the start/stop interface. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-04-14libcamera: pipeline: rkisp1: Call IPA start() and stop()Niklas Söderlund
Call the IPA start()/stop() functions before/after the camera is started. This makes sure the IPA functions properly once thread management is moved into the start/stop interface. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-04-14libcamera: pipeline: rkisp1: Do not try to process cancelled framesNiklas Söderlund
There is no need to try and process cancelled frames, try to finish as quickly as possible. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-04-14libcamera: pipeline: rkisp1: Add clear() to RkISP1FramesNiklas Söderlund
When the camera is stopping the helper that keeps track of which buffers are associated with a request is not cleared. Add a clear operation and call it when the camera is stopped. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-04-14libcamera: pipeline: rkisp1: Initialize IPANiklas Söderlund
The IPA init() call is a no-op in the current IPA, but it's part of the IPA API and it should be called. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-04-14libcamera: pipeline: rkisp1: Queue parameters even if they are not readyNiklas Söderlund
If the IPA has not filled in the parameters buffer still queue it to hardware. Not queuing the buffer results in the pipeline and hardware going out of sync. This is not a permanent fix of the problem and a todo is added to fix it properly. This change does not make the situation worse as the state of the pipeline is just as unknown as if no param buffer is queued as if one with old content in it. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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>
2020-04-04libcamera: pixelformats: Replace set of modifiers with single valueKaaira Gupta
DRM fourccs look like they have a per-plane modifier, but in fact each of them should be same. Hence instead of passing a set of modifiers for each fourcc in PixelFormat class, we can pass just a single modifier. So, replace the set with a single value. 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> [Fix compilation error in src/libcamera/pipeline/ipu3/ipu3.cpp] Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-03-29libcamera: pipeline: ipu3: Fix compilation on gcc 5 and 6Laurent Pinchart
Commit 5e7c5d64a67f ("libcamera: ipu3: Do not unconditionally queue buffers to CIO2") introduced usage of the std::queue default constructor by using copy-list-initialization from {}. The default constructor was explicit in C++11, which was fixed retroactively with a defect report (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0935r0.html). gcc 5 and 6 are unfortunately affected, requiring explicit usage of the constructor. Fixes: 5e7c5d64a67f ("libcamera: ipu3: Do not unconditionally queue buffers to CIO2") Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-03-27libcamera: ipu3: Add support for a RAW still capture streamNiklas Söderlund
Allow the RAW buffer cycling between CIO2 and IMGU to be memory copied to a new FrameBuffer in a new RAW stream. This allows users to capture the raw Bayer format coming from the sensor. As the RAW frame is memory copied queueing requests with the StillCaptureRaw stream might impact performance. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-03-27libcamera: ipu3: Do not unconditionally queue buffers to CIO2Niklas Söderlund
Instead of unconditionally cycling buffers between the CIO2 and IMGU pick a buffer when a request is queued to the pipeline. This is needed if operations are to be applied to the buffer coming from CIO2 with parameters coming from a Request. The approach to pick a CIO2 buffer when a request is queued is similar to other pipelines, where parameters and statistic buffers are picked this way. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-03-27libcamera: FrameBuffer: Add a setRequest() interfaceNiklas Söderlund
Add the ability to set the Request a buffer is associated with. This is needed for buffers that live inside a pipeline handler and is temporarily associated with a request as it's being processed inside the pipeline. While we are at it delete a stray semicolon. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-03-27libcamera: FrameBuffer: Add a method to copy buffer contentNiklas Söderlund
This method may be used to memory copy a whole FrameBuffer content from another buffer. The operation is not fast and should not be used without great care by pipelines. The intended use-case is to have an option to copy out RAW buffers from the middle of a pipeline. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-03-27cam: Add option to capture StillCaptureRaw streamNiklas Söderlund
Add a role name 'stillraw' to request a StillCaptureRaw stream. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-03-27libcamera: stream: Add StillCaptureRaw roleNiklas Söderlund
Add a role for capturing high resolution, low frame rate, still images in RAW format. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-03-27libcamera: 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>
2020-03-26qcam: Print whole stream configuration when adjustedLaurent Pinchart
When the validate() function adjusts the stream configuration, we print the adjusted size for debugging purpose. Switch to printing the whole configuration, as the pixel format may be useful too. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-25libcamera: Make pipeline handlers selectable at compile timeLaurent Pinchart
Add a 'pipelines' project option that specifies which pipeline handlers to compile in. The corresponding IPA modules are automatically selected. The default is to compile all pipeline handlers. 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>
2020-03-25ipa: Move vimc to a subdirectoryLaurent Pinchart
Give a subdirectory to all IPA modules to make the structure of the source tree more consistent. This will also simplify the implementation of IPA module selection at build time. 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>
2020-03-25libcamera: pipeline: Move uvcvideo and vimc to subdirectoriesLaurent Pinchart
Give a subdirectory to all pipeline handlers to make the structure of the source tree more consistent. This will also simplify the implementation of pipeline handlers selection at build time. 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>
2020-03-24qcam: main_window: Prefer stream formats that don't require conversionLaurent Pinchart
Query the viewfinder for the formats it supports natively, and select one of them for the stream if possible. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: viewfinder: Report the natively supported pixel formatsLaurent Pinchart
Expose the pixel formats natively supported by the viewfinder, to allow selection of stream formats that would minimize usage of software conversion. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: viewfinder: Print message to report format converter usageLaurent Pinchart
Print an info message when initializing the viewfinder to report if the format converter is used or if zero-copy is enabled. This is useful to notify of a possible impact on performances. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: viewfinder: Add support for more native formatsLaurent Pinchart
Qt supports more 24-bit and 32-bit RGB formats for native painting. If the frame buffer pixel format matches any of them, disable the converter and create a QImage in the appropriate format. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: viewfinder: Display icon when stopping captureLaurent Pinchart
When stopping capture, display an icon instead of the last frame. This is required to be able to release the last buffer when the viewfinder operators in zero-copy mode. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: viewfinder: Avoid memory copy when conversion isn't neededLaurent Pinchart
If the frame buffer format is identical to the display format, the viewfinder still invokes the converter to perform what is essentially a slow memcpy(). Make it possible to skip that operation by creating a QImage referencing the buffer memory instead. A reference to the frame buffer is kept internally, and released when the next buffer is queued, pushing the current one out. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: viewfinder: Reorder methods to match header fileLaurent Pinchart
Reorder the methods in viewfinder.cpp to match the order in viewfinder.h. No code change. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: viewfinder: Use PixelFormat default constructorLaurent Pinchart
There's no need to initialize the PixelFormat stored in ViewFinder explicitly, as PixelFormat is now a class with a default constructor. Remove the initialization. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: viewfinder: Embed QImage in ViewFinderLaurent Pinchart
The QImage class is a thin wrapper that uses implicit sharing. We can thus embed it in the ViewFinder class instead of allocating it dynamically, and assign it at runtime. This simplifies the code. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: viewfinder: Make the viewfinder hold a reference to a bufferLaurent Pinchart
The viewfinder is currently expected to render frames to the screen synchronously in the display() function, or at least to copy data so that the buffer can be queued in a new request when the function returns. This prevents optimisations when the capture format is identical to the display format. Make the viewfinder take ownership of the buffer, and notify of its release through a signal. The release is currently still synchronous, this will be addressed in a subsequent patch. Rename the ViewFinder::display() function to render() to better describe its purpose, as it's meant to start the rendering and not display the frame synchronously. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: viewfinder: Move multi-planar check into viewfinderLaurent Pinchart
The lack of support for multiplanar buffers comes from the viewfinder. Move the corresponding check from MainWindow. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: viewfinder: Add MappedBuffer to store memory mapping informationLaurent Pinchart
The new MappedBuffer structure replaces the std::pair<> used in the mapped buffers map, and allows passing data to the ViewFinder::display() function in a more structured way. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: Use Qt qInfo() and qWarning() logging facilitiesLaurent Pinchart
Replace manual usage of std::cout and std::cerr with the Qt logging facilities. This allows redirection log output if needed, and integrates better with Qt. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: main_window: Remove unneeded debug messageLaurent Pinchart
Printing the name of the selected camera to the log doesn't provide any value. Remove it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: main_window: Document functions and reorganize member dataLaurent Pinchart
The qcam application is our reference implementation of a libcamera GUI application. Document the code of the MainWindow class to make it easier to follow, and reorganize the member data in logical groups for clarity. No code change. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: main_window: Don't print message when saving a pictureLaurent Pinchart
When saving a picture, the application prints a message on cout. This isn't necessary and doesn't really help with debugging or diagnostics, remove it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: main_window: Add shortcuts for toolbar actionsLaurent Pinchart
Allow triggering toolbar actions with keyboard shortcuts. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: main_window: Use icons from system icon themeLaurent Pinchart
Use the system icon theme by default, falling back to custom icons if no theme is available. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: main_window: Replace start and stop actions with a toggle actionLaurent Pinchart
The main window toolbar contains a start button and a stop button. This allows starting an already started camera (which is currently not handled and results in an error) or stopping an already stopped camera. Replace the two actions with a single start/stop toggle action, preventing UI misuse and reducing confusion. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: main_window: Move capture event processing to main threadLaurent Pinchart
To avoid blocking the camera manager for a long amount of time, move capture event processing to the main thread. Captured buffers are added to a queue and an event is posted to the main window to signal availability of a buffer. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: main_window: Move request queuing to a separate functionLaurent Pinchart
Requests are requeued synchronously from the completion handler. To prepare for delayed requeuing, move the queuing to a separate function. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: Use QSize through the code baseLaurent Pinchart
Qt has a QSize class to store sizes. Use it to replace width and height where applicable. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: Ensure headers are self-containedLaurent Pinchart
Include the headers corresponding to each compile unit at the very first line to ensure they are self-contained. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24qcam: Remove custom event dispatcherLaurent Pinchart
The qcam application installs a custom event dispatcher based on the Qt event loop. As the camera manager now creates an internal thread, it doesn't use that event dispatcher of the application thread at all. Furthermore, the custom event dispatcher is buggy, as it doesn't dispatch messages posted to the main thread's event loop. This isn't an issue as no messages are posted there in the first place, but would cause incorrect behaviour if we were to use that feature (for instance to deliver signals from the camera manager thread to the application thread). Fixing the event dispatcher requires a change in the libcamera public API, as there's currently no way to dispatch messages using the public API (Thread::dispatchMessages() is not exposed). This isn't worth it at the moment, so just remove the custom event dispatcher. If qcam later needs the libcamera request and buffer completion signals to be delivered in the application thread, it will need to handle that internally, using Qt's cross-thread signal delivery. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-03-24libcamera: v4l2_videodevice: Add support for all 32-bit ARGB formatsLaurent Pinchart
The V4L2VideoDevice class implements conversion between PixelFormat and V4L2PixelFormat for a single flavour of the 32-bit ARGB formats. Add the three missing ones. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2020-03-24cam: main: Cache lookup of role propertyLaurent Pinchart
The code handling the stream role option retrieves the role property and converts it to a string in every branch. Cache it and use the cached value. 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>
2020-03-23libcamera: v4l2_device: Enable enumeration of U8 controlsJacopo Mondi
Enable the enumeration of V4L2 array controls with V4L2_CTRL_TYPE_U8 type. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-03-23libcamera: v4l2_controls: Support U8 array controlsJacopo Mondi
Add support for array controls of type V4L2_CTRL_TYPE_U8. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>