Remove our custom declarations for cpp_std=c++11, -Wall, -Wextra and
-Werror, instead prefering to use the built-in default_option parameters
from meson.
Our custom compiler flags (such as -Wno-unused-parameter) are
maintained.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Add a few debug printouts that help follow the library intialization
process: what pipeline handlers are registered, what media devices are
created, and which pipeline manager gets matches with the current
system.
The resulting output is the following, on IPU3 devices:
DBG pipeline_handler.cpp:119 Pipeline handler: "PipeHandlerVimc" registered
DBG pipeline_handler.cpp:119 Pipeline handler: "PipelineHandlerIPU3" registered
DBG device_enumerator.cpp:214 New media device: ipu3-imgu created from: /dev/media0
DBG device_enumerator.cpp:214 New media device: ipu3-cio2 created from: /dev/media1
DBG device_enumerator.cpp:255 Succesfull match for media device: ipu3-cio2
DBG device_enumerator.cpp:255 Succesfull match for media device: ipu3-imgu
DBG pipeline_handler.cpp:150 Pipeline handler: "PipelineHandlerIPU3" matched
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Commit 99a3e7bcfb ("libcamera: log: Add a LogFatal log level")
expanded the text representation of the log levels to support the FATAL
string, but left the default unknown match at four characters.
This code should never expect to be executed, but for completeness match
the string lengths by adding an extra character to the result.
Fixes: 99a3e7bcfb ("libcamera: log: Add a LogFatal log level")
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Add a test unit that exercise link handling on the VIMC media graph.
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
As a new class for test link handling will be added as a separate test,
it makes no sense to have a generic "MediaDeviceTest" class. Rename it
in "MediaDevicePrintTest", and make it run only printing test.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Prevent duplication of boilerplate code as the suite grows by
establishing the foreach pattern in the media_device test suite.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
The output of the sphinx-build for our documentation is overly verbose.
Reduce this output to warnings and errors with the '-q' quiet option.
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Until we have better Sphinx + Doxygen integration, replace the relative
external link to the API documentation with a placeholder directory,
which will be populated with the Doxygen-generated doc when exporting
documentation to the website. This is needed as the Sphinx documentation
is exported to the root of the website, linking to ../api-html is thus
not possible.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Add a link in the toctree to the API documentation.
sphinx doesn't seem to support relative external links, but we can trick
it into thinking the link is absolute by adding '#://' at the end.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
The toctree is displayed in the navigation bar at the top of the page.
Add short names to the entries that replicate the names currently used
on libcamera.org.
Remove the link to the index and search pages, as the former is empty,
and the latter can be accessed directory from the navigation bar search
box.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
The theme replicates the look and feel of the libcamera.org website.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
The DeviceEnumerator::create() function allocates a
DeviceEnumeratorUdev and fails to delete it in the error path, causing a
memory leak. Fix it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Several functions are missing documentation for some of them parameters
and/or for their return value. Fix this.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
libcamera.h hasn't been updated with the recently added public headers
event_notifier.h, signal.h and timer.h. Add them.
The event_dispatcher_poll.h header, which used to be public, is now
private, but hasn't been removed from libcamera.h. Remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Add a function to the MediaLink class to set the state of a link to
enabled or disabled. The function makes use of an internal MediaDevice
method, which is defined private and only accessible by the MediaLink
setEnabled() function itself.
Also add to MediaDevice a function to reset all links registered in the
media graph.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Add three overloaded functions 'link()' to retrieve a link between two
pads. Each overloaded implementation exposes a different method to
identify the source and sink pads.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Add a MediaDevice member field to the MediaObject class hierarcy.
Each media object now has a reference to the media device it belongs to,
and which it has been created by.
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
The test covers timer start, timeout, restart after completion, restart
before completion and multiple timers.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
The test covers signal connection, disconnection through all the
provided methods, emission, parameters, and connection of a signal to
multiple slots.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
The list test generates a list binary in the test directory, which
conflicts with the C++ std::list header of the same name. The binary
gets included instead of the header file, breaking compilation.
Rename the test to avoid this.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Provide a poll-based event dispatcher implementation as convenience for
applications that don't need a custom event loop. The poll-based
dispatcher is automatically instantiated if the application doesn't
provide its own dispatcher.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Add three new classes, EventDispatcher, EventNotifier and Timer, that
define APIs for file descriptor event notification and timers. The
implementation of the EventDispatcher is meant to be provided to
libcamera by the application.
The event dispatcher is integrated twith the camera manager to implement
automatic registration of timers and events.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Introduce a Signal class that allows connecting event sources (signals)
to event listeners (slots) without adding any boilerplate code usually
associated with the observer or listener design patterns.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
There can only be a single camera manager instance in the application.
Creating it as a singleton helps avoiding mistakes. It also allows the
camera manager to be used as a storage of global data, such as the
future event dispatcher.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
The logger prints the timestamp fields with a fixed width, but pads them
with spaces instead of zeros. Fix this.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
The ASSERT() macro is similar to the assert() macro defined by the C
standard, but uses the libcamera logging infrastructure.
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>
The LogFatal log level is similar to the LogError level, but
additionally abort program execution. This is useful to implement
assertion handlers.
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>
Enable the QUIET mode of Doxygen so that warnings and errors from
Doxygen are more prominent in the build logs.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
The system libraries define macro's for major/minor through
<sys/types.h> on some versions of GCC/GLibc.
To prevent namespace collisions with these macros, rename our major and
minor device node accessors.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
There's no need to forward-declare the PipelineManagerFactory class.
Remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
The DeviceEnumerator::search() function doesn't need to modify its
DeviceMatch argument, make it const.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
The log message still refers to the DeviceInfo class that has been
removed. Replace it with a reference to MediaDevice.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
When a device is skipped by the udev-based enumerator a message is
logged. Downgrade its severity to warning as the error isn't fatal.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Alphabetically sorted includes help finding where to insert new include
statements, and avoiding duplicates.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
The method is declared but not implemented. Remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Add back the 'struct' keyword for structure types.
C++ allows omitting the 'struct' keywork. Add it back to make clear
we're dealing with structures and not class types.
While at there re-sort fields of media_v2_* type in populate() function
to reflect the declaration order in the kernel headers.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Do not compare an usigned int with -1 to avoid going through cast.
Also align function parameters and long assignement lines while at there.
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Provide a reference copy of the Developers Certificate of Origin.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This silences valgrind that otherwise warns about usage of uninitialized
values. While not strictly required as the kernel should fill the whole
arrays in MEDIA_IOC_G_TOPOLOGY, the extra cost, in a non-critical path,
is negligible compared to the ability to run without valgrind warnings.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
The function does not modify the instance state. Mark it as const.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Mention in the valid() method documentation, that a media graph has to
be populated to be valid.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Replace usage of the DeviceInfo class with MediaDevice in the
DeviceEnumerator and remove the DeviceInfo class.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Extend the MediaEntity object with device node major and minor numbers,
and retrieve them from the media graph using interfaces. They will be
used by the DeviceEnumerator to retrieve the devnode path.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Add the features of the DeviceInfo class needed to replace it with
MediaDevice.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
