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Prepare for different tests which implements V4L2DeviceTest to specify
which media device and entity they wish to test. There is no functional
changes, all tests still use vivid to perform there tests.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Align the style of the formats test with the other v4l2_device tests by
impending the functions in the class definition instead of first
declaring the class and then implement the functions. There is no
functional change only restructuring of existing code to align with the
style of other tests.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Order the sections of a class public, protected and private. There is no
functional change only restructuring of existing code to align with the
style of other tests.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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To allow more than one application using libcamera simultaneously there
can be no overlap between which cameras are in use by which user. As a
camera is part of a pipeline handler and there might be shared resources
between all cameras exposed by that pipeline handler it's not enough to
to only lock access to a single camera, all cameras from that pipeline
need to be tied to the same process.
Allow for this by locking the whole pipeline when one of its cameras
is acquired by the user. Other processes can still enumerate and list
all cameras in the system but can't acquire a camera from a locked
pipeline handler.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add lock() and unlock() which are backed by the MediaDevice
implementation and lock all media devices claimed by a pipeline handler
instance.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Instead of requiring each pipeline handle implementation to keep track
of calling release() on its media devices upon deletion, keep track of
them in the base class. Add a helper that pipeline handlers shall use
to acquire a media device instead of directly interacting with the
DeviceEnumerator.
This also means that pipeline handler implementations do no need to keep
a shared_ptr<> reference to the media devices they store locally as the
PipelineHandler base class will keep a shared_ptr<> reference to all
media devices consumed for the entire lifetime of the pipeline handler
implementation.
Centrally keeping track of media devices will also be beneficial
to implement exclusive access to pipelines across processes.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add lock() and unlock() which are backed by lockf() and allow an
instance of libcamera to claim exclusive access to a media device.
These functions are the base of allowing multiple user of libcamera to
coexist in the system without stepping on each other's toes.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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All external callers to open() and close() have been refactored and
there is no need to expose these functions anymore, make them private.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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