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In preparation of reworking how a default configuration is retrieved
from a camera remove the streams and validation using the stream when
judging if a camera configuration is valid. This is needed as once
stream usage hints are added applications will no longer fetch default
configuration based on Stream IDs so using them to verify the returned
format is not useful.
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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In preparation of reworking how a default configuration is retrieved
from a camera separate preparation of stream configuration and
application into two different functions. Reason for this is that
preparation of camera configuration will become more complex.
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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Meson searches for qmake to determine if QT5 is available to support the
optional qcam component.
When cross compiling, meson can incorrectly identify the host qmake
which will cause incorrect linkage and usage of system headers.
Set the dependency method to specify pkg-config which resolves the
issue.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Ensure that any error from the disableLinks() call during match() is
propogated to the caller.
Fixes: d698ed27494a ("libcamera: ipu3: Create ImgUDevice class")
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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As the lengthy comment reports, link enable/disable is not trivial, as
links in one ImgU instance interfere with capture operations in the
other one. As it is not yet clear if this behaviour is intended, as of
now reset the media graph during pipeline's match() and enable the
required links at streamConfiguration time.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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As the procedure to configure the intermediate sizes and the alignement
requirements of the ImgU device have not been clarified yet, return as
default configuration the (2560x1920) resolution that has been validated
for both cameras.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Use the cached sensor maximum resolution and the pixel format
generated by the ImgU output devices as default stream configuration.
While at it, replace the hardcoded numerical value for the number of
buffers with a named constexpr.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Connect the CIO2 output bufferRead signal to a slot that simply
queue the received buffer to ImgU for processing, and connect the ImgU
main output bufferReady signal to the cameraData slot that notifies
to applications that a new image buffer is available.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Implement queueRequest for the IPU3 pipeline manager. When a request is
queued, a new buffer is queued to the ImgU output for capture.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Start and stop video devices in the pipeline.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Implement buffer allocation and release in IPU3 pipeline handlers.
As the pipeline handler currently supports a single stream, provide two
internal buffer pools for 'viewfinder' and 'stat' video devices, and
export the 'output' video device buffers to the stream's pool. This
works around the fact that the ImgU requires buffers to be queued on all
its outputs, even when they are not in use.
Share buffers between the CIO2 output and the ImgU input video devices,
as the output of the former should immediately be provided to the
latter for further processing.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Apply the requested stream configuration to the CIO2 device, and
propagate formats through the the ImgU subdevice and its input and
output video devices.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Group ImgU components in a class associated with a camera at camera
registration time and provide an intialization method to create and open
all video devices and subdevices of the ImgU.
Statically assign imgu0 to the first camera and imgu1 to the second one
and limit support to two cameras. This will have to be revised in the
future.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Cache the sensor maximum size and the media bus code used to produce
it.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Group CIO2 components (cio2, csi2 and image sensor) in a class
associated with the CameraData, to ease management and initialization of
CIO2 unit at camera registration time. A CIO2 unit will always be
associated with a single Camera only.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Add a simple Size structure that contains an image width and height.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Add constructor to SizeRange which initialize all the size range fields
to 0.
While at there make the in-line constructor declarations respect the
coding style by moving braces to a new line.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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The secure_getenv() call is not provided by all C libraries. Support
this feature by implementing our own version.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Differing implementations of basename() exist, some of which may modify
the content of the string passed as an argument.
The implementation of basename() is trivial, thus to support different
C librariese, provide our own version which accepts and returns a const
char *.
Update the call sites to use the new implementation.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Re-order the project options and add documentation which will be
presented by 'meson configure'.
This produces the following extra information:
Project options:
Option Current Value Possible Values Description
------ ------------- --------------- -----------
documentation true [true, false] Generate the project documentation
tests true [true, false] Compile and include the tests
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Re-order the optional components to make them alphabetical, and fix up
the indentation to use two spaces as required by meson. A comment is
added to highlight that these optional components are enabled by
default.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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When the camera provides MJPEG, use the QImage JPEG decompression code
to convert that to RGB.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Align the Stream class to all other classes in the code base to use the
'class' qualifier in 'friend' declarations.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Remove two empty lines. Cosmetic change only.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Add a static method to V4L2Subdevice class to create a V4L2Subdevice
instance from a media entity name.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Add a static method to V4L2Device class to create a V4L2Device instance
from a media entity name.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Rename the 'deviceName()' method to 'entityName()' as it actually
returns the name of the entity backing the v4l2 subdevice.
While at it, make the names getter methods return a const reference
instead of returning by copy.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Add toString() helpers to pretty print out the sizes of a Rectangle.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Add an internal format.h and format.cpp files to collect libcamera image
format related types, helpers and structures. Define and document the
FormatEnum type, used to enumerate pixel image formats and associated
image resolutions.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Add toString() helpers to pretty print out a V4L2Device or V4L2Subdevice
format.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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qcam is a sample camera GUI application based on Qt. It demonstrates
integration of the Qt event loop with libcamera.
The application lets the user select a camera through the GUI, and then
captures a single stream from the camera and displays it in a window.
Only streams in YUYV formats are supported for now.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The script captures raw or processed frames from cameras based on the
Rockchip ISP1. It takes the sensor name as an argument and isn't meant
to depend on a particular platform.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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An empty option list is not necessarily an error. Add a new empty()
function to test the option list for emptiness, and modify the valid()
function to only notify parsing errors. As a side effect this allows
accessing partially parsed options, which may be useful in the future.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Add a flag to indicate if an option can be repeatable. If an option is
repeatable it must be accessed thru the array interface, even if it's
only specified once by the user.
Also update the usage generator to indicate which options are
repeatable.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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To allow specifying the same argument option multiple times a new type
of OptionValue is needed. As parsing of options is an iterative process
there is a need to append options as they are parsed so instead of
setting values using the constructor a new addValue() method is used.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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In preparation for support of multiple instances of the same option,
create a separate enum for the OptionValue types as it will diverge from
enum OptionType.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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It can be desirable to disable the compilation and processing of both
the test suite and documentation for use cases such as packaging to an
embedded target.
Provide a new meson_options.txt file to allow disabling either or both
of the tests and documentation components of libcamera.
These options can be provided at the initial configuration time, for
example:
meson build -Dtests=false -Ddocumentation=false
or by reconfiguring an existing build tree:
cd build
meson configure -Ddocumentation=false
meson configure -Dtests=false
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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succcess -> success
categorized -> categorised
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The local variable ifaceId generates a compiler warning that it is used
without initialisation.
The loop, and check against the loop iterator, and the
topology.num_interfaces actually ensures that this isn't the case, and
that ifaceId can only be used when set to a valid ID.
The media_v2_interface.id field documents the ID as simply "Unique ID
for the interface" but does not specify if zero is a valid ID or not. As
such we don't further check the pre-initialised ID for validity and keep
the existing check on the iterator count to determine if the ID had been
discovered successfully.
Fixes: d4af90d72901 ("libcamera: media_device: Create entities with
major and minor numbers")
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add a test of the different access level enforced by the state machine
inside the camera. The state machine aims to limit operations on the
camera to the cameras state.
The test exercises all states of the camera and verifies that only the
intended operations are possible at each stage.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Correctly configure the camera using the default configuration and run a
capture session for 100 milliseconds, which is plenty of time, in tests
over 600 requests completed using the vimc pipeline.
The test passes if at least the number of buffers used in the capture
times two number of requests completes to prove we cycle through all
buffers.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Try to set the default configuration, a modified valid configuration and
an invalid configuration.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add a test to verify reading the default configuration from a camera
works.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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It is not permitted to configure streams before a camera is acquired.
Fixes: 77100a7578d8a0cc ("libcamera: camera: add state machine to control access from applications")
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Before calling into the pipeline handler make sure the streams provided
by the application actually belongs to the camera.
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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Buffers must have all mappings destroyed before buffers can be freed by the
V4L2 device that has allocated them.
Swap the ordering of freeBuffers() and destroyBuffers() to correct this.
Fixes: bd38112b7795 ("libcamera: camera: Extend the interface to support capture")
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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When constructing a Plane, the exported buffer provides a dmabuf handle which
is set to the Plane object.
This action duplicates the handle for internal storage, and the original fd is
not used and needs to be closed.
Close the handle, ensuring that the resources can be correctly managed.
Fixes: 771befc6dc0e ("libcamera: v4l2_device: Request buffers from the device")
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Cosmetic update of V4L2Device class: remove the return type from Doxygen
documentation of inline functions.
Cosmetic update, no functional changes intended.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Add support for devices that provide video meta-data to v4l2_device.cpp
and re-arrange bufferType handling in open() method.
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Cosmetic updated of V4L2Subdevice class: re-sort methods and comments to
reflect the declaration order in the class definition.
Cosmetic update, no functional changes intended.
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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