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AeMeteringMode, AeConstraintMode, and AeExposureMode are new enum type
controls used to specify operating modes in the AE algorithm. All modes
may not be supported by all platforms.
ExposureValue is a new control used to set the log2 exposure adjustment
for the AE algorithm.
Lux is a new control that returns the current lux estimate.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Group AE, AWB, etc. controls together for accessibility.
Update descriptions for Contrast, Brightness, and Saturation controls.
Update the uvcvideo and vimc pipeline handlers to use the new
brightness, contrast and saturation units. UVC has no explicit units for
those controls, so map them with a best effort heuristic. For VIMC,
hardcode the control range based on knowledge of the driver
implementation for simplicity.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Rename:
ManualExposure -> ExposureTime
ManualGain -> AnalogueGain
Use micro-seconds units for ExposureTime. This is changed from milli-
seconds. The latter would not allow very low exposure times.
AnalogueGain switch to use a float to allow fractional gain adjustments.
Update the uvcvideo pipeline handler to use the new exposure and gain
units. For ExposureTime, UVC uses units of 100 micro-seconds, so map
the values before setting V4L2_CID_EXPOSURE_ABSOLUTE. For AnalogueGain,
UVC has no explicit gain units, so map the default gain value to 1.0
and linearly scale to the requested value.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Document that controls are bi-directional by default. If a control
is only returned in metadata, this must be specified in the control's
description.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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UVC devices support auto-exposure, expose the feature through the
AeEnable control.
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Move addition and processing of individual controls to separate
functions, to prepare for more complex mappings of control values.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Add a new --list-controls option to print information about all the
controls supported by a camera.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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The name OptProps is not very clear, spell it out fully. The command
line options are not changed.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Extend the V4L2VideoDevice to support notifying of frame start events.
The events are received from the device through the V4L2 event API, and
passed to users of the class through a signal.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Compound controls are now supported, but they're still listed as
unsupported in some parts of the V4L2Device class documentation.
Fix this by removing those parts.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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The Rectangle class members that represents the rectangle horizontal and
vertical sizes are named 'w' and 'h', in contrast with the Size and
SizeRange classes which use 'width' and 'height', resulting in having to
look at class definition every time to know which names to use.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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To prepare for the addition of a second notifier for V4L2 events, rename
the current fdEvent_ member to fdBufferNotifier_ to better reflect its
usage.
While at it, simplify allocation of the fdEvent_ notifier.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Since commit e75ef59e028e ("libcamera: device_enumerator_udev: Update
pending list in addUdevDevice") the populateMediaDevice() function
returns 0 on success instead of the number of missing dependencies,
resulting in a wrong number being logged. Fix it.
Fixes: e75ef59e028e ("libcamera: device_enumerator_udev: Update pending list in addUdevDevice")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <email@uajain.com>
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When setting format on a metadata video device, the returned format
isn't updated with the actual set format due to a typo. Fix it.
Reported-by: Coverity CID=279098
Fixes: 629e9301c518 ("libcamera: v4l2_device: Add META support in g/s_fmt")
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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To make the output more readable, break the publicKeyData_ array at 8
bytes boundaries.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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IPA module signing is optional, but when not available due to missing
dependencies, we hit failures due to a non fully implemented IPA
isolation. Make module signing mandatory until isolation is functional.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The IPA module signing mechanism relies on openssl to generate keys and
sign the module. If openssl is not found on the system, the build will
fail. Make the dependency optional by detecting openssl, and skip
generation of signatures if openssl isn't found.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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DRM has a format for 8-bit greyscale data, DRM_FORMAT_R8. Despite the
'R' name, which comes from GL/Vulkan to mean single-channel data, the
format maps to greyscale for display. We can thus map it to
V4L2_PIX_FMT_GREY.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Failing to convert between V4L2 and DRM 4CCs indicates something is
likely wrong, but doesn't necessarily prevent the camera from being
usable. It may for instance only limit the number of supported formats.
Downgrade the related log messages from LogError to LogWarning.
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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Add a caps() function that exposes the V4L2 capabilities for the device.
This is useful for generic code that can't hardcode any a priori
knowledge of the device, such as in a simple pipeline handler.
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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The doxygen \ref command is used to generate a reference to a function,
while adding parentheses after the function name is enough. Simplify the
documentation.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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The V4L2 subdevice API exposes ACTIVE and TRY formats, but the
V4L2Subdevice getFormat() and setFormat() operations only apply on
ACTIVE formats. Extend them to support TRY formats as well.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Add a utils::join() function to join elements of a container into a
string, with a separator and an optional conversion function if the
elements are not implicitly convertible to std::string.
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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The IPAModuleInfo license field isn't needed anymore now that modules
are cryptographically signed. Remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Decide whether to isolate the IPA module using the module signature
instead of its license.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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In preparation for verifying the signature of IPA modules, generate a
public key from the private signing key and embed it in the IPAManager
class.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Add a new PubKey class to handle public key signature verification. The
implementation is based on the gnutls library, which is added as an
optional dependency. If gnutls is not found, signature verification will
unconditionally fail.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Load the signature from the .sign file, if available, when loading the
IPA module information and store it in the IPAModule class.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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The IPAModule class passes pointers to data and the corresponding size
as thwo different variables to several functions. Tie them together in a
Span.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Use the File helper class to handle cleanup of the mapped file to
simplify error handling in loadIPAModuleInfo().
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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The File helper class is a RAII wrapper for a file to manage the file
handle and memory-mapped regions.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Add infrastructure to generate an RSA private key and sign IPA modules.
The signatures are stored in separate files with a .sign suffix.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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The isolated VIMC module isn't used in any test. Remove it to prepare
for the rework of IPA module isolation. The feature can be added back
later alongside corresponding tests if needed.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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While closed-source IPA modules will always be sandboxed, open-source
IPA modules may be run in the main libcamera process or be sandboxed,
depending on platform configuration. These two models exhibit very
different timings, which require extensive testing with both
configurations.
When run into the main libcamera process, IPA modules are executed in
the pipeline handler thread (which is currently a global CameraManager
thread). Time-consuming operations in the IPA may thus slow down the
pipeline handler and compromise real-time behaviour. At least some
pipeline handlers will thus likely spawn a thread to isolate the IPA,
leading to code duplication in pipeline handlers.
Solve both issues by always proxying IPA modules. For open-source IPA
modules that run in the libcamera process, a new IPAProxyThread class is
added to run the IPA in a separate thread.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[Niklas: Move thread start/stop of thread into start()/stop()]
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Call the IPA start()/stop() functions before/after the camera is
started. This makes sure the IPA functions properly once thread
management is moved into the start/stop interface.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Call the IPA start()/stop() functions before/after the camera is
started. This makes sure the IPA functions properly once thread
management is moved into the start/stop interface.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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There is no need to try and process cancelled frames, try to finish as
quickly as possible.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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When the camera is stopping the helper that keeps track of which buffers
are associated with a request is not cleared. Add a clear operation and
call it when the camera is stopped.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The IPA init() call is a no-op in the current IPA, but it's part of the
IPA API and it should be called.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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If the IPA has not filled in the parameters buffer still queue it to
hardware. Not queuing the buffer results in the pipeline and hardware
going out of sync.
This is not a permanent fix of the problem and a todo is added to fix it
properly. This change does not make the situation worse as the state of
the pipeline is just as unknown as if no param buffer is queued as if one
with old content in it.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add two new operations to the IPA interface to start and stop it. The
intention is that these functions shall be used by the IPA to perform
actions when the camera is started and stopped.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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DRM fourccs look like they have a per-plane modifier, but in fact each
of them should be same. Hence instead of passing a set of modifiers for
each fourcc in PixelFormat class, we can pass just a single modifier.
So, replace the set with a single value.
Signed-off-by: Kaaira Gupta <kgupta@es.iitr.ac.in>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[Fix compilation error in src/libcamera/pipeline/ipu3/ipu3.cpp]
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Commit 5e7c5d64a67f ("libcamera: ipu3: Do not unconditionally queue
buffers to CIO2") introduced usage of the std::queue default constructor
by using copy-list-initialization from {}. The default constructor was
explicit in C++11, which was fixed retroactively with a defect report
(http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0935r0.html).
gcc 5 and 6 are unfortunately affected, requiring explicit usage of the
constructor.
Fixes: 5e7c5d64a67f ("libcamera: ipu3: Do not unconditionally queue buffers to CIO2")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Allow the RAW buffer cycling between CIO2 and IMGU to be memory copied
to a new FrameBuffer in a new RAW stream. This allows users to capture
the raw Bayer format coming from the sensor.
As the RAW frame is memory copied queueing requests with the
StillCaptureRaw stream might impact performance.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Instead of unconditionally cycling buffers between the CIO2 and IMGU
pick a buffer when a request is queued to the pipeline. This is needed
if operations are to be applied to the buffer coming from CIO2 with
parameters coming from a Request.
The approach to pick a CIO2 buffer when a request is queued is similar
to other pipelines, where parameters and statistic buffers are picked
this way.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add the ability to set the Request a buffer is associated with. This is
needed for buffers that live inside a pipeline handler and is
temporarily associated with a request as it's being processed inside the
pipeline.
While we are at it delete a stray semicolon.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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This method may be used to memory copy a whole FrameBuffer content
from another buffer. The operation is not fast and should not be used
without great care by pipelines.
The intended use-case is to have an option to copy out RAW buffers from
the middle of a pipeline.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add a role name 'stillraw' to request a StillCaptureRaw stream.
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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Add a role for capturing high resolution, low frame rate, still images
in RAW format.
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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Print fourCC characters instead of the hex value in toString() as they are
more informative. Also, write the tests for this in formats.cpp
Signed-off-by: Kaaira Gupta <kgupta@es.iitr.ac.in>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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