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The test verifies correct behaviour of a running timer moved to a
different thread.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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The test verifies correct behaviour of an enabled event notifier moved
to a different thread.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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The Timer instances are registered with the event dispatcher instance of
the CameraManager. This makes it impossible to use timers in other
threads.
Fix this by inheriting from Object, which allows binding instances to a
thread, and register them with the event dispatcher for the thread they
are bound to.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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The EventNotifier instances are registered with the event dispatcher
instance of the CameraManager. This makes it impossible to use event
notifiers in other threads.
Fix this by inheriting from Object, which allows binding instances to a
thread, and register them with the event dispatcher for the thread they
are bound to.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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The CameraManager class uses the event dispatcher of the current thread.
This makes the CameraManager::eventDispatcher() and
CameraManager::setEventDispatcher() methods inconsistent, as they access
different event dispatcher instances depending on the calling thread.
Fix this by inheriting from the Object class, which binds the
CameraManager to a thread, and use the event dispatcher of the bound
thread.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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The test verifies thread affinity and thread move notifications.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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The test verifies correct behaviour of asynchronous method invocation
for Object instances.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Send a synchronous message to objects just before they get moved to a
new thread. This allows the object to perform any required processing.
EventNotifier and Timer objects will use this mechanism to move
themselves to the new thread's event disaptcher.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Add a helper invokeMethod() to the Object class that allows asynchrnous
invocation of any method of an Object instance. Asynchronous invocation
occurs when control returns to the event dispatcher of the target
object's thread, in the context of that thread.
To support this, generalise the SignalMessage implementation to support
automatic deletion of the associated BoundMethod, and rename the message
to InvokeMessage to reflect the more generic purpose.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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To make the BoundMethod classes more generic, replace direct access to
private member from Signal classes with accessors or helper functions.
This allows removal of friend statements from the BoundMethod classes.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Move the Slot* classes to bound_method.{h,cpp} and rename them to
Bound*Method*. They will be reused to implement asynchronous method
invocation similar to cross-thread signal delivery.
This is only a move and rename, no functional changes are included.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Threads contain message queues and dispatch queued messages in their
event loop, in Thread::exec(). This mechanism prevents the main thread
from dispatching messages as it doesn't run Thread::exec().
Fix this by moving message dispatching from Thread::exec() to
EventDispatcher::processEvents().
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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When moving an object to a different thread, messages posted for the
object are moved to the message queue of the new thread. Wake up the new
thread to ensure it processes the moved messages.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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The message() method shouldn't be called externally (except by a few
friend classes), make it protected.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Provide an initial list of build dependancies for Debian based systems.
Other distributions will be added separately.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Move the introduction content from the index.rst to the README.rst so
that it can also be found quickly from the top level.
Include the README.rst directly into the index.rst to continue serving
it as the front page material.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The Documentation and top-level README both serve to provide information
to new developers and users of libcamera.
Currently our README.md is sparse, and should be expanded with more
useful information such as build requirements as well as compilation
directions.
Any information provided in the README also serves a purpose in the main
documentation and website and could be a cause of duplicated content.
To allow direct integration of the top level README document into our
sphinx documentation (and thus the libcamera.org website) convert the
README.md into ReSTructured text format.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The CameraHalManager::getCameraInfo() validates the camera id it
receives from the camera service, and in doing so generates a compiler
error with gcc as the id is an unsigned integer and can never be
negative:
../src/android/camera_hal_manager.cpp: In member function ‘CameraProxy* CameraHalManager::open(unsigned int, const hw_module_t*)’:
../src/android/camera_hal_manager.cpp:89:9: error: comparison of unsigned expression < 0 is always false [-Werror=type-limits]
if (id < 0 || id >= numCameras()) {
Fix it by removing the unneeded comparison.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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The 'exists()' call is not used within the code base.
Remove it.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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The V4L2M2MDevice requires two video devices to be configured. This
makes it unsuitable to reuse the existing V4L2DeviceTest test library in
its current form.
Implement a full test to run the two M2M pipelines through VIM2M.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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V4L2 M2M devices represent a V4L2Device with two queues: One output, and
one capture on a single device node.
Represent this by instantiating a V4L2VideoDevice for each queue type,
and preparing each device for its queue.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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The "Opened device" statement occurs before the buffertype_ is set.
This causes all devices to report that they are [out] devices at open()
regardless of their type.
As the message operates in the past-tense, move the statement to the end
of the function when all work has been completed.
Fixes: 04d5be7f76fe ("libcamera: v4l2_device: Inherit from Loggable to print device node name")
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Provide a means for V4L2 device instances to set the fd_ explicitly.
This allows for V4L2Devices to operate when they must use an external
open() call.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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The CameraHalManager::getCameraInfo() validates the camera id it
receives from the camera service, and in doing so compares it with an
unsigned integer, generating a compiler error:
src/android/camera_hal_manager.cpp:121:9: error: comparison of integers of different signs: 'int' and 'unsigned int' [-Werror,-Wsign-compare]
if (id >= numCameras() || id < 0) {
~~ ^ ~~~~~~~~~~~~
Fix this by turning the id into an unsigned int, as camera ids can't be
negative. If a negative id is received from the camera service it will
be converted to a large unsigned integer that will fail the comparison
with numCameras().
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Add libcamera Android Camera HALv3 implementation.
The initial camera HAL implementation supports the LIMITED hardware
level and uses statically defined metadata and camera characteristics.
Add a build option named 'android' and adjust the build system to
selectively compile the Android camera HAL and link it against the
required Android libraries.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Add SPDX tag to the android metadata library files licensed under
Apache-2.0.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Import the Android camera metadata library from the ChromiumOS build
system.
The camera metadata library has been copied from
https://chromium.googlesource.com/chromiumos/platform2
at revision 9e65ddd2c496e712f005ada9715decd2ff8e4a03
The original path in the Cros platform2/ repository is:
camera/android/libcamera_metadata/src
Create a new build target for the camera metadata library to
create a static library to link against libcamera.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add SPDX indentifier to Apache-2.0 licensed android headers.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Copy the Android Camera3 HAL headers from the ChromiumOS build system
and define a new inclusion directive in the meson build system for them.
The header files have been copied from:
https://chromium.googlesource.com/chromiumos/platform2
at revision 9e65ddd2c496e712f005ada9715decd2ff8e4a03
and provide:
1) Android CameraHAL3 HAL headers in include/android/hardware/
2) The Android system headers in include/android/system/
3) The Android camera metadata headers in include/android/metadata/
The original path in the Cros platform2/ repository is, respectively:
camera/android/header_files/include/hardware
camera/android/header_files/include/system
camera/android/libcamera_metadata/include/
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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All the Android camera stack code used by the libcamera camera HAL
adaptation layer is licensed under the Apache-2.0 license.
Add the Apache-2.0 license text to the licenses directory.
The associated SPDX header is "Apache-2.0" and the license text is
copied from:
https://www.apache.org/licenses/LICENSE-2.0.txt
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Linux commit b6c61a6c37317efd ("media: vimc: propagate pixel format in
the stream") changes the sensor in the vimc media graph to accept all
media bus format currently described in Linux. This prevents the
camera-sensor test case to verify that a supported media bus format is
selected from a list of defined formats, fix this by using an invalid
media bus format in the test case.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Most of the video device tests are based on vimc and Linux commit
85ab1aa1fac17bcd ("media: vimc: deb: fix default sink bayer format")
changes the default media bus format for the debayer subdevices. This
leads to a -EPIPE error when trying to use the raw capture video device
nodes.
Fix this by explicitly setting media bus and pixel formats to known good
values which works before and after the upstream change.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Linux commit 85ab1aa1fac17bcd ("media: vimc: deb: fix default sink bayer
format") which is part of v5.2 changes the default media bus format for
the debayer subdevices. This leads to a -EPIPE error when trying to use
the raw capture video device nodes.
Fix this by moving the vimc pipeline to use the RGB/YUV Capture capture
video node. As a consequence of this change the scaler in the vimc
pipeline is used and a hard coded upscale of 3 is present in the video
pipeline. This limits the sizes exposed and accepted by libcamera to
multiples of 3.
Update the buffer import test case to match this new format constraint
by setting the resolution to 1920x1080, a resolution which works with
both vimc and vivid. With this new resolution the buffer import test
takes a bit more time to complete 60 buffers and it's runtime also needs
to be increased.
The raw capture video node still needs to be handled by the pipeline as
its format needs to be updated to allow the pipeline format validation
to pass.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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As the device pointers are deleted in the pipelines destructor it's not
a good idea to have them uninitialized.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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ISP output pad should be set to YUYV8_2X8 for non-bayer output format.
Bayer formats are not listed in RkISP1CameraConfiguration::validate(),
only non-bayer are listed, so we can set YUYV8_2X8 directly.
This will need to be changed if we add support for bayer output with
libcamera.
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The IPAModule::loadIPAModuleInfo() function includes a *data pointer
which is used as a null-pointer comparison in the error path with a
conditional statement of "if (ret || !data)".
The data variable is not initialised, and a single error path evaluates
this as "if (true || uninitialised)".
Whilst this error path does not incorrectly utilise the uninitialised
data, as the ret evaluates to true already, it does leave a statement
which includes an uninitialised variable.
Help the static analysers by initialising the data variable when it is
defined.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The FrameSink::cleanup() call checks if video_ is set before cleaning up
and then deleting the object.
If the cleanup() call is called twice for any reason, this will
encounter a use-after-free as the video_ pointer is not cleared after
deletion.
Whilst cleanup() is not currently called twice consecutively, to prevent
errors in the future, make it explicit that the object has been deleted
by clearing the stale pointer.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add an error debug message when disassociating part of a process
execution context using unshare fails.
As this is currently used to isolate a child process which is
immediately terminated silently if unshare fails, add a debug printout
and propagate up the error code to make the failure more visible.
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Fix an argument name mismatch between method declaration and
definition.
Reported-by: Paul Elder <paul.elder@ideasonboard.com>
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>
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Since there are two logging tests now, move them to their own
subdirectory. Update meson as necessary.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add a test to test that logging works in isolated child processes.
Only logSetFile is tested, because stdout and stderr are closed for
isolated child processes, and syslog and the none logging destinations
are expected to be the same as non-isolated processes.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Test the new logSetStream logging API call. Reorganize the logging API
tests at the same time.
logSetTarget for the syslog logging destination is not tested.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Allow logging to syslog, or any given ostream, or to nowhere. The
logging API is updated to accomodate these new logging destinations.
LogMessage is modified to allow this.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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When a video device is stopped all the buffers there queued are released
and their state is set to BufferCancelled.
Currently, on buffer completion, cancelled buffers are blindly re-queued
to the ImgU input or CIO2 output devices, preventing them to be
re-started succesfully in future capture sessions.
Fix that by inspecting the buffers status and skip re-queueing if
they're reported as cancelled. For the ImgU output buffer this is not
required, as cancelled request should be reported to applications in
order to report them failure of the capture operations.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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With the current IPU3 kernel driver implementation, a linked pipe shall be
used (buffers should be queued on it) in order not to block all other pipes.
Currently all links on the ImgU device are only disabled at match() time,
implying that once an ImgU pipe gets linked, it should be used until the
whole pipeline is not re-matched and links disabled again. This is a severe
limitation for applications that wants to switch between cameras using
different pipes going through a full library tear-down and reload.
Perform link disabling at configure() time as well, so that a camera
configuration operation always unlock the usage of the assigned pipe,
regardless of the previously linked ones.
Unfortunately this requires a camera start/stop sequence to always go
through a configure step, a requirement that is not enforced by the
Camera state machine.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Add a '-s|--size' option to qcam to allow selecting the stream
resolution using a command line option.
If the sizes are not supported by the camera, they get automatically
adjusted and the user notified via an output message.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Reserve identifiers for user-defined message types and add an operation
to the Message class to register the type identifiers.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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The SignalMessage type is undocumented. Fix it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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To avoid depending on unitialised values, set the pixelFormat field of
the StreamConfiguration class to 0 in the constructor.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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The internal buffers between the CIO2 and ImgU are freed by the
CIO2Device::stop() method, which is called first when stopping
streaming. The ImgUDevice::stop() method is then called, and attempts to
report completion for all queued buffers, which we have just freed. The
use-after-free corrupts memory, leading to crashes.
Fix this by moving the vector of internal buffers to the IPU3CameraData
where it belongs, and free the buffers after stopping both devices.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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