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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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With the libtest functionality moved to its own library folder, the
definitions for test includes should reasonably live there too.
The libtest subdir should always remain the first entry in the
test/meson.build file.
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>
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Create two arrays, to contain public and internal test targets, and use
the foreach iterators to automatically generate test output targets for
each entry in each array.
The public tests array is linked only against public libcamera headers,
while tests declared in the internal_tests will have access to
non-public API headers from within the libcamera sources.
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>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The test definition for the media_device_test executable should be
located with the exectuable definition.
Move it to the meson.build of that test suite subdir.
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>
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The class was just a placeholder, now that we have other objects
defined, remove it along with the associated test.
The libcamera/libcamera.h header is kept as a shortcut to include the
whole libcamera public API.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Improve the documentation of the media device operation, including how
it handles the lifetime of media objects.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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In order to simplify navigation in the .cpp file, order functions in the
declaration order in the .h file.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The function is useful as a public API, make it public.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Most errors recorded during graph parsing are logged but not propagated
to the caller. Fix this and delete objects that are created but not
successfully added to the graph to avoid memory leaks. As the error code
returned from the addObject() and populate*() functions doesn't matter
much, turn them into bool functions.
Additionally, add a way to query whether the media graph was valid, and
clear objects before populating the graph to avoid leaking them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The project description is really the project name. The extraneosly long
string gets printed at the test runner prefixed to the suite. As such it
should really be the shortened simple project name.
Remove the 'description' from the project naming field.
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>
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A skipped test is currently defined as returning 77. If this is returned
by the init stage, currently the execute call will continue on to the
run stage.
Correct this such that any non-zero return code from the init phase will
abort the test.
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>
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The meson test infrastructure uses return codes to determine test
results. Define these values for use in tests.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[Use an enum instead of macros for test return codes.]
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Create a subdirectory to contain the libtest helper library.
Define two variables to clarify when tests are aimed at public or
internal components.
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>
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Add media device test infrastructure and an intial test that
print out the media devices available in the system.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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The MediaDevice object implements handling and configuration of the media
graph associated with a media device.
The class allows enumeration of all pads, links and entities registered in
the media graph.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Add a class hierarcy to represent all media objects a media graph represents.
Add a base MediaObject class, which retains the global unique object id,
and define the derived MediaEntity, MediaLink and MediaPad classes.
This hierarchy will be used by the MediaDevice objects which represents and
handles the media graph.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Add simple test which lists all cameras detected in the system. The test
fails if no camera can be found.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Provide a pipeline handler for the virtual vimc driver.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Provide a CameraManager class which will handle listing, instancing,
destruction and lifetime management of cameras.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Provide a PipelineHandler which represents a handler for one or more
media devices and provides one or more cameras.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Document the intended use-case of the different elements of the device
enumerator.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Provide a factory for DeviceEnumerator objects. Depending on which
libraries are available there will be different ways to enumerate
information in the system. This factory hides this from the rest of the
library.
Currently udev enumeration is the only supported implementation, a sysfs
implementation is another method that surely will be added in the
future.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Provide a DeviceEnumeratorUdev class which is a specialization
of DeviceEnumerator which uses udev to enumerate information in the
system.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Provide a DeviceEnumerator base class which enumerates all media devices
in the system and information about them, resolving Media Controller
data structures to paths and a method to search in all the enumerated
information.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Provide a DeviceMatch class which represents all properties of a media
device a pipeline hander can specify when searching for a device to use
in its pipeline.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Provide a DeviceInfo class which holds all information from the initial
enumeration of a media device. Not all information available at a media
device is stored, only the information needed for a pipeline handler to
find a specific device.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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The device enumeration will depend on libudev, add the dependency to the
build system. This should be turned into a optional dependency once a
device enumerator not using udev is supported.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Provide a Camera class which represents our main interface to handling
camera devices. This is a rework of Kieran's initial proposal and
Laurent's documentation of the file changed to fit the device
enumerators needs.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Enable --keep-one-line-blocks to prevent astyle from wanting to move
single inlined blocks to cover 4 lines such as:
- virtual int init() { return 0; }
+ virtual int init()
+ {
+ return 0;
+ }
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Calling the cleanup() function in the base class Test destructor only
calls the base class empty cleanup() function, not the overloaded one.
This results in tests not cleaning up after themself. Solve this by
explicitly calling the cleanup() function from execute().
This was discovered while running valgrind on tests where objects where
allocated in init() and freed in cleanup().
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The base Test class is meant to provide infrastructure common to all
tests. It is very limited for now, and should be extended with at least
logging and assertion handling.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Many of the message logged by the library will be debug messages, we
thus need a debug log level.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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As astyle doesn't strip trailing white spaces, strip them manually.
Organize the code to allow for new additional formatting steps if
needed.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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In order to facilitate interpretation of diffs, highlight trailing white
space at end of lines with a red background.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The git diff command is invoked with relative paths, which causes git to
fail to locate files when the checkstyle.py script is run from
subdirectories of the git tree. Fix this by prepending the absolute path
to the git tree root directory to the file names.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Separate declaration of library internal inclusion path.
This will be used by tests, developed outside of library code, that need to
include parts of the library internal APIs and can re-use the here defined
variable.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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In order to avoid depending on system headers that may be outdated compared
to the kernel version available at runtime, import the Linux kernel headers
related to the APIs that libcamera requires a recent version of. This allows
libcamera to use the latest kernel APIs even when compiled on older systems.
The library must of course test at runtime whether those APIs are available
and fallback to older APIs in order to support older kernels.
Import media.h for the recent media controller APIs. The file is extracted
verbatim from kernel v4.19.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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There's no need to add a character on the left side of the ascii art
diagrams, provided that we indent them properly. Fix it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add a section to the coding style documentation to explain usage of the
checkstyle.py script.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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checkstyle.py is a reimplementation of checkstyle.sh in Python, that
should be easier to extend with additional features.
Three additional features and enhancements are already implemented:
- While retaining the default behaviour of operating on the HEAD commit,
a list of commits can also be specified on the command line.
- Correct line numbers are printed in the diff output.
- The index and working tree are not touched, they can be dirty.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Provide an initial starting point for our ignore file.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The git clone command line is a (single line) block of shell code, mark
it appropriately.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The various lists in the document are not quoted blocks. Don't indent
them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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