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2019-05-17test: media_device: Add test for acquire() and release()Niklas Söderlund
The interfaces MediaDevice::{open,close}() are about to be made private, replace them with a test of MediaDevice::{acquire,release}() instead. The new test will implicitly tests the open() and close() methods as they are about to be move inside acquire() and release() which will remain public. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-05-17test: media_device: Create a common MediaDeviceTest base classNiklas Söderlund
Before adding more tests which will act on the vimc pipeline break out a common base from media_device_link_test.cpp which already acts on vimc. The new common base class will help reduce code duplication. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-05-17libcamera: media_device: Handle media device fd in acquire() and release()Niklas Söderlund
To gain better control of when a file descriptor is open to the media device and reduce the work needed in pipeline handler implementations, handle the file descriptor in acquire() and release(). This changes the current behavior where a file descriptor is only open when requested by the pipeline handler to that one is always open as long a media device is acquired. This new behavior is desired to allow implementing exclusive access to a pipeline handler between processes. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-05-17libcamera: media_device: Only read device information in populate()Niklas Söderlund
There is no reason to reread the MEDIA_IOC_DEVICE_INFO information every time the media device is opened. Move it populate() where it will be read once together the other information about the media device. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-05-17libcamera: media_device: Open and close media device inside populate()Niklas Söderlund
Remove the need for the caller to open and close the media device when populating the MediaDevice. This is done as an effort to make the usage of the MediaDevice less error prone and the interface stricter. The rework also revealed and fixes a potential memory leak in MediaDevice::populate() where resources would not be deleted if the second MEDIA_IOC_G_TOPOLOGY would fail. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-05-17libcamera: Always check return value of MediaDevice::acquire()Niklas Söderlund
In preparation for adding more responsibility to MediaDevice::acquire() remove unneeded calls to acquire() and release(), and make sure all needed calls to acquire() are checked and acted on. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-05-07qcam: format_converter: Add NV formats supportPaul Elder
Add support for some NV formats: - V4L2_PIX_FMT_NV12, V4L2_PIX_FMT_NV21 - V4L2_PIX_FMT_NV16, V4L2_PIX_FMT_NV61 - V4L2_PIX_FMT_NV24, V4L2_PIX_FMT_NV42 Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-05-07qcam: format_converter: Add formatFamily enumPaul Elder
It is not sustainable to add a new flag for every new video format family (eg. YUYV, RGB, NV, MJPEG, etc), so add a formatFamily enum to indicate these in the FormatConverter. Note that formats are grouped into families based on if they are able to share a set of parameters for conversion. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-05-04qcam: format_converter: Add RGB formats supportLaurent Pinchart
Add support for the RGB format supported by VIMC (V4L2_PIX_FMT_BGR24, V4L2_PIX_FMT_RGB24 and V4L2_PIX_FMT_ARGB32). Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2019-05-03libcamera: device_enumerator: add DeviceEnumeratorSysfs classPaul Elder
A udev-based device enumerator is not sufficient, since libudev is an optional dependency, or udev might fail. In these cases, we should fall back to using sysfs to enumerate devices. Add a DeviceEnumeratorSysfs class which is a specialization of DeviceEnumerator that uses sysfs to enumerate media devices on the system. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-05-03libcamera: v4l2_device: Increase error level for unsupported devicesKieran Bingham
If a component tries to open an unsupported device type, no error is presented unless debug is enabled. Report an error if an unsupported device type is opened to ease pipeline development. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-05-03libcamera: v4l2_device: Fix debug spacingKieran Bingham
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-05-02package: gentoo: Add libcamera ebuildJacopo Mondi
Add live .ebuild file for libcamera. 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>
2019-04-30(q)cam: Unify naming of configurations in applicationsLaurent Pinchart
Name all instances of CameraConfiguration "config", and all instances of StreamConfiguration "cfg" accross the cam and qcam applications. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-04-30test: Unify naming of configurations in testsLaurent Pinchart
Name all instances of CameraConfiguration "config", and all instances of StreamConfiguration "cfg" accross all tests. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-04-30libcamera: pipeline: Unify naming of configurations in pipeline handlersLaurent Pinchart
Name all instances of CameraConfiguration "config", and all instances of StreamConfiguration "cfg" accross all pipeline handlers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-04-30libcamera: Use the Size class through libcameraLaurent Pinchart
Several of our structures include width and height fields that model a size while we have a Size class for that purpose. Use the Size class through libcamera, and give it a toString() method like other geometry and format classes. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-04-30libcamera: pipeline_handler: Remove duplicated log from uvc and vimcLaurent Pinchart
The uvcvideo and vimc pipeline handlers print the requested resolution in their configureStreams() operation. This duplicates a generic log statement in the Camera::configureStreams() method, remove it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-04-29libcamera: device_enumerator_udev: Include missing headerLaurent Pinchart
The makedev() macro is defined in sys/sysmacros.h, include the header explicitly. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-29libcamera: Don't ignore the return value of read() and write()Laurent Pinchart
The glibc read() and write() functions are defined with the __warn_unused_result__ attribute when using FORTIFY_SOURCE. Don't ignore their return value. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-28Documentation: Drop install directive for DoxyfileNiklas Söderlund
Building the documentation reports warnings, WARNING: Project targetting '>= 0.40' but tried to use feature introduced in '0.50.0': install arg in configure_file WARNING: Project specifies a minimum meson_version '>= 0.40' but uses features which were added in newer versions: * 0.50.0: {'install arg in configure_file'} Due to the usage of the directive configure_file { install: false } in Documentation/meason.build which is introduced in meson 0.50. As we do not wish to install the Doxyfile no install_dir is set so there is no need to explicitly state that it should not be installed. Silence the warning by dropping the install directive. Fixes: 53c4d4c34fc49b95 ("Documentation: Generate source code documentation using Doxygen") Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-04-28libcamera: camera: Log proposed configuration in streamConfiguration()Laurent Pinchart
The IPU3 and RKISP1 pipeline handlers log the camera configuration they propose in their streamConfiguration() methods. Other pipeline handlers are expected to log similar information, move it to the Camera class. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-04-28libcamera: camera: Check requests before queueing themNiklas Söderlund
Make sure all requests queued to a camera only contain streams which have been configured and belong to the camera. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-04-27test: signal: Exercise the signal delivery code paths for ObjectLaurent Pinchart
Member slots for objects deriving from the Object class receive special handling. Add one test to make sure we exercise the related code paths. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-27libcamera: Make libudev optionalLaurent Pinchart
libcamera depends on libudev for device enumeration. It is however useful to allow building documentation without requiring the dependency to be installed. Make the libudev dependency optional and compile the udev-based device enumerator out when libudev is not present. Note that while libcamera will compile without libudev, it will not be able to enumerate devices. A sysfs-based device enumerator is planned as a fallback but not implemented yet. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-27libcamera: v4l2_device: Prefix V4L2 direction in log messagesKieran Bingham
The V4L2Device will use the same deviceNode for two directions in the case of an M2M device. Add the direction to identify the queue direction on each instance. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-26libcamera: Remove outdated \todo commentsLaurent Pinchart
Some \todo comments are outdated and refer to tasks that have been completed. Remove them. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-26cam: options: Fix string concatenationLaurent Pinchart
Adding an integer value to a char pointer doesn't concatenate strings, it indexes in the pointed string. Fix it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-26cam: options: Don't initialise variable-length arraysLaurent Pinchart
According to clang, variable-length arrays can't be initialised. Don't do so, and explicitly set the last element to 0 instead. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-26test: v4l2_subdevice: Remove std::move() that prevents copy elisionLaurent Pinchart
Moving a temporary value prevents copy elision. Remove it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-26libcamera: v4l2_device: Buffer is not a structLaurent Pinchart
Buffer is a class, not a struct. Fix a variable declaration accordingly. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-26libcamera: Mark overridden functions with overrideLaurent Pinchart
Several overridden virtual functions are not marked with override. Fix it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-26libcamera: log: Add a LogInvalid entry to LogSeverityLaurent Pinchart
enum LogSeverity values are assigned or compared to -1 to flag invalid log severities. This generates compilation warnings with clang. Fix it by adding an explicit LogInvalid entry to the enumeration. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-26libcamera: event_dispatcher_poll: Fix bitwise testLaurent Pinchart
Add missing parentheses to fix a bitwise test. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-26libcamera: Correct struct forward declarationsLaurent Pinchart
Several structures are forward-declarated as classes. Fix this by using the struct keyword where appropriate, or removing the forward declaration when not needed. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-26libcamera: utils: call secure_getenv() if it exists or workaround with ↵Giulio Benetti
issetugid() When secure_getenv() is not available, need to have a workaround. Check if secure_getenv() is present, otherwise call issetugid() on its place. Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> [Kieran: include stdlib.h] Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-26meson: check if secure_getenv() is presentGiulio Benetti
Not all libc make secure_getenv() available, this could lead to build failure on certain build systems. Check if secure_getenv() is available and emit #define HAVE_SECURE_GETENV to config.h Include config.h to every c/c++ file during building by adding `-include config.h` to project arguments for both c and c++. Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> [Kieran: Drop unnessecary meson message Update commit message] Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-04-19libcamera: ipu3: Connect viewfinder's BufferReady signalJacopo Mondi
The viewfinder and main output require identical logic for buffer and request completion. Connect the viewfinder bufferReady signal to the slot and handle requests for both main output and viewfinder there. Update the slot logic to complete the request only when the last buffer has completed, and make sure to complete requests in the same order they have been queued to the pipeline handler. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-19libcamera: ipu3: Queue requests for multiple streamsJacopo Mondi
Add support for queueing requests for multiple streams in the IPU3 pipeline handler class. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-19libcamera: ipu3: Add multiple stream memory managementJacopo Mondi
Perform allocation and setup of memory sharing between the CIO2 output and the ImgU input and allocate memory for each active stream. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-19libcamera: ipu3: Use roles in stream configurationJacopo Mondi
Use and inspect the stream roles provided by the application to streamConfiguration() to assign streams to their intended roles and return a default configuration associated with them. Support a limited number of usages, with the viewfinder stream able to capture both continuous video streams and still images, and the main output stream supporting still images only. This is an artificial limitation until we figure out the exact capabilities of the hardware. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-19libcamera: ipu3: Create camera with 2 streamsJacopo Mondi
Sub-class the Stream class with an IPU3-specific implementation and create each IPU3 camera with two streams: 'output' and 'viewfinder' which represent the video streams from main and secondary ImgU output respectively. Rework stream configuration to handle the two video streams 'output' and 'viewfinder' separately. As the IPU3 driver requires viewfinder and stat video nodes to be started not to stall ImgU processing, configure 'output', 'viewfinder' and 'stat' regardless of the user-requested active streams. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-19libcamera: camera: Reset basefield to decimalJacopo Mondi
When logging the camera configuration, the same ostringstream instance is used to assemble a message describing configuration of all the configured streams. After the first stream configuration has been assembled, the use of std::hex modifies the ostringstream basefield, causing all successive integers values inserted in the stream to be expressed as hexadecimals. Fix that by resetting the stream's basefield to decimal, before assembling a stream configuration description. Before this patch: INFO Camera camera.cpp:615 (0) 640x480-0x3231564e (1) 140xa0-0x3231564e After this patch: INFO Camera camera.cpp:616 (0) 640x480-0x3231564e (1) 320x160-0x3231564e Fixes: 9c9078133216 ("libcamera: camera: Log requested configuration in configureStreams()") Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-19libcamera: stream: Document protected membersJacopo Mondi
Since commit: 4e1dc9004fca ("libcamera: stream: Make Stream inheritable") the private members of the Stream class have been turned into protected, to allows subclasses to access them. As Doxygen generates documentation for protected members (but not for private memebers), add documentation to the stream class for the 'bufferMap_' and 'configuration_' members. Fixes: 4e1dc9004fca ("libcamera: stream: Make Stream inheritable") Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-19libcamera: Include header related to source file firstLaurent Pinchart
Include the header file corresponding to the source file in the very first position. This complies with the Google C++ coding style guideliens, and helps ensuring that the headers are self-contained. Three bugs are already caught by this change (missing includes or forward declarations) in device_enumerator.h, event_dispatcher_poll.h and pipeline_handler.h. Fix them. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-19libcamera: stream: Add and use toString() method to StreamConfigurationLaurent Pinchart
Add a toString() method to the StreamConfiguration class, and replace all manually coded implementations through the source code. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-19libcamera: pipeline: rkisp1: Don't hardcode NV12 in configureStreams()Laurent Pinchart
Use the pixel format requested by the application in the RkISP1PipelineHandler::configureStreams() method instead of hardcoding NV12. The streamsConfiguration() method still proposes NV12 by default. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-19libcamera: Document documentation style and update the code accordinglyLaurent Pinchart
The documentation style for the Doxygen comment blocks is inconsistent in the library. Document the expectations and update all existing comment blocks to match. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-18libcamera: pipeline: Add RKISP1 pipelineLaurent Pinchart
The pipeline handler for the Rockchip ISP creates one camera instance per detected raw Bayer CSI-2 sensor. Parallel sensors and YUV sensors are not supported yet. As the ISP has a single CSI-2 receiver, only one camera can be used at a time. Mutual exclusion isn't implemented yet. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-18libcamera: pipeline: ipu3: Use the new CameraSensor classLaurent Pinchart
Replace the manual handling of sensor formats with usage of the new CameraSensor class. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>