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Provide the request SensorTimestamp as the buffer completion time. This
is fake, as there is no SensorTimestamp on the VIVID pipeline as it's a
virtual video device, but it provides a suitable data point.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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In case the setFormat() call on the video device fails to match the
configuration, print both the requested and actual configurations to
ease debugging.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Initialize the CameraData properties with Location and Model.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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When constructing the camera, we parse the available controls on the
video capture device, and map supported controls to libcamera controls,
and initialise the defaults.
The controls are handled during queueRequestDevice for each request and
applied to the device through the capture node.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The VIVID pipeline handler retains state globally of it's controls.
Ensure that when we configure this specific pipeline we set initial
parameters on the device that suit our (specific) needs.
This introduces how controls can be set directly on a device, however
under normal circumstances controls should usually be set from libcamera
controls as part of a request. These are VIVID specific only.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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When a request is given to a pipeline handler, it must parse the request
and identify what actions the pipeline handler should take to enact on hardware.
In the case of the VIVID pipeline handler, we identify the buffer from the only
supported stream, and queue it to the video capture device.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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We can now add buffer management, and connect up our bufferReady signal
to a callback.
Note that we provide the ability to export buffers from our capture
device (data->video_) using the exportBuffers() functionality from the
V4L2VideoDevice which allows a FrameBufferAllocater to obtain buffers
from this device.
When buffers are obtained through the exportFrameBuffers API, they are
orphaned and left unassociated with the device, and must be reimported
at start() time anyway. This allows the same interface to be used
whether internal buffers, or external buffers are used for the stream.
When a buffer completes, we call the buffer completion handler on the
pipeline handler, and because we have only a single stream, we can also
immediately complete the request.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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When the configurations have been generated and validated, they can be
applied to a device.
Vivid supports only a single stream, so it directly obtains the first
StreamConfiguration from the CameraConfiguration.
The VIVID catpure device is a V4L2Video device, so we generate a
V4L2DeviceFormat to apply directly to the capture device node.
Note that we convert the libcamera Format stored in
cfg.pixelFormat to a V4L2PixelFormat using V4L2PixelFormat helper. This
currently defaults to the single-planar formats, and should be extended
to support the Multiplanar configuration from the V4L2Device.
[todo Repair the link between the multiplanar configuration of the
V4L2VideoDevice and the pixel format selection]
Following the call to set the format using the Kernel API, if the format
has been adjusted in any way by the kernel driver, then we have failed
to correctly handle the validation stages, and thus the configure
operation is idendified has having failed.
Finally stream specific data can be directly stored and set as
reflecting the state of the stream.
[NOTE: the cfg.setStream() call here associates the stream to the
StreamConfiguration however that should quite likely be done as part of
the validation process. TBD]
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Implement the support for Generating and Validating the streams the
Camera can provide.
Vivid is a simple case with only a single stream.
Test the configurations can be generated and reported with cam -I:
"""
LIBCAMERA_LOG_LEVELS=Pipeline,VIVID:0 ./src/cam/cam -c 1 -I
[232:02:09.633067174] [2882911] INFO IPAManager ipa_manager.cpp:136 libcamera is not installed. Adding '/home//libcamera/build-vivid/src/ipa' to the IPA search path
[232:02:09.633332451] [2882911] WARN IPAManager ipa_manager.cpp:147 No IPA found in '/usr/local/lib/x86_64-linux-gnu/libcamera'
[232:02:09.633373414] [2882911] INFO Camera camera_manager.cpp:283 libcamera v0.0.11+714-d1ebd889-dirty
Using camera vivid
0: 1280x720-BGR888
* Pixelformat: NV21 (320x180)-(3840x2160)/(+0,+0)
- 320x180
- 640x360
- 640x480
- 1280x720
- 1920x1080
- 3840x2160
* Pixelformat: NV12 (320x180)-(3840x2160)/(+0,+0)
- 320x180
- 640x360
- 640x480
- 1280x720
- 1920x1080
- 3840x2160
* Pixelformat: BGRA8888 (320x180)-(3840x2160)/(+0,+0)
- 320x180
- 640x360
- 640x480
- 1280x720
- 1920x1080
- 3840x2160
* Pixelformat: RGBA8888 (320x180)-(3840x2160)/(+0,+0)
- 320x180
- 640x360
- 640x480
- 1280x720
- 1920x1080
- 3840x2160
"""
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Create a VividCameraData inheriting from the CameraData to handle camera
specific data, and use it to create and register the camera with the
CameraManager.
This can now be tested to see that the camera becomes available to
applications:
"""
LIBCAMERA_LOG_LEVELS=Pipeline,VIVID:0 ./src/cam/cam -l
[231:44:49.325333712] [2880028] INFO IPAManager ipa_manager.cpp:136 libcamera is not installed. Adding '/home/libcamera/build-vivid/src/ipa' to the IPA search path
[231:44:49.325428449] [2880028] WARN IPAManager ipa_manager.cpp:147 No IPA found in '/usr/local/lib/x86_64-linux-gnu/libcamera'
[231:44:49.325446253] [2880028] INFO Camera camera_manager.cpp:283 libcamera v0.0.11+713-d175334d-dirty
Available cameras:
1: vivid
"""
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Verify that we can match on our expected device(s).
Use a temporary debug print to check that the pipeline finds
our device:
"""
LIBCAMERA_LOG_LEVELS=Pipeline,VIVID:0 ./src/cam/cam -l
<snipped>
[230:51:10.670503423] [2872877] DEBUG VIVID vivid.cpp:81 Obtained Vivid Device
"""
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Explicitly disable the unused-parameter warning in this pipeline handler.
Parameters are left unused while they are introduced incrementally, so for
documentation purposes only we disable this warning so that we can compile
each commit independently without breaking the flow of the development
additions.
This is not recommended practice within libcamera, please listen to your
compiler warnings.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Provide all of the skeleton stubs to succesfully compile
and register a new Pipeline Handler for the Vivid test device.
Meson must be reconfigured to ensure that this pipeline handler is
included in the selected pipelines configuration, and after building, we
can test that the PipelineHandler is successfully registered by listing
the cameras on the system with LIBCAMERA_LOG_LEVELS enabled:
"""
LIBCAMERA_LOG_LEVELS=Pipeline:0 ./build-vivid/src/cam/cam -l
[230:30:03.624102821] [2867886] DEBUG Pipeline pipeline_handler.cpp:680 Registered pipeline handler "PipelineHandlerVivid"
Available cameras:
"""
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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In order to be more compatible with modern hardware and APIs. This
notably allows GL implementations to directly import the buffers more
often and seems to be required for Wayland.
Further more, as we already enforce a 8 byte stride, these formats work
better for clients that don't support padding - such as libwebrtc at the
time of writing.
Tested devices:
- Librem5
- PinePhone
- Thinkpad X13s
Signed-off-by: Robert Mader <robert.mader@collabora.com>
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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All users of the Pwl::readYaml() function have been removed. The
function is not used, and is deprecated in favour of YamlObject::get().
Drop it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Now that deserializing a Pwl object from YAML data is possible using the
YamlObject::get() function, replace all usage of Pwl::readYaml() to
prepare for its removal.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> # On Raspberry Pi 4
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The AGC algorithm implements the AeEnable control at runtime. Move the
declaration of the control from the IPA module to the algorithm.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The sensor's maximum shutter speed is clamped by the maximum frame
duration specified in requests. If the requested maximum frame duration
is lower than the sensor's minimum shutter speed, the Agc::process()
function will pass a minimum value higher than the maximum to the
setLimits() function, resulting in an assertion failure. Fix it by
clamping the value to both the lower and the upper bounds.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The AGC active state and frame context both contain a variable named
maxShutterSpeed. The variable is used to limit the maximum shutter speed
when computing the exposure time and gains, but stores the maximum frame
duration, not clamped by the sensor's maximum shutter speed. Rename it
to maxFrameDuration.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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The effective exposure value for each frame is split into shutter time,
analog gain and digital gain based on the AGC constraint mode and
exposure mode. The algorithm uses the modes from the active state, which
tracks the latest queued request, instead of the frame context, which
tracks the value of the controls requested for that frame. Fix it by
using the correct modes.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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The condition
if (std::pow(std::floor(root), 2) < factor)
predivider = static_cast<uint8_t>(std::ceil(root));
else
predivider = static_cast<uint8_t>(std::floor(root));
can only be false when the factor's root is an integer. In that case,
std::ceil(root) and std::floor(root) will be equal. The computation can
thus be simplified by always rounding up.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The ISP histogram parameters depends on the AE metering mode, but not on
the other AE algorithm controls. The exposure mode, constraints mode and
frame duration limits influence the behaviour of the algorithm, but not
the histogram computation parameters. Update the histogram parameters
only when AE metering mode changes.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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The Agc::computeHistogramPredivider() function doesn't need to modify
its size parameter. Make it const.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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The IPAFrameContext AGC documentation is lagging behind the
implementation and misses many variables. Document them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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The IPAActiveState AGC documentation is lagging behind the
implementation and misses many variables. Document them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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agc_mean_luminance.h uses utils::Duration, include the corresponding
header.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
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Enumerators in libcamera start with an upper case letter. Fix the
AgcConstraint::Bound enumerators.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
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When no metering modes are specified in the tuning file, the AGC
initialzation fails with
[0:00:46.148508875] [209] ERROR RkISP1Agc agc.cpp:46 'AeMeteringMode' parameter not found in tuning file
which results in a camera initialization failure. Fix it by downgrading
the error into a warning, and continuing the AGC initialization with the
default metering mode.
Fixes: 35233938ee5d ("ipa: rkisp1: agc: Read histogram weights from tuning file")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Add an operation for multiplying a matrix with a vector.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-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 an algorithm module to the rkisp1 IPA for crosstalk correction.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-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 a class to encapsulate the functionality of fetching a matrix based
on an integer key, and interpolating if there is no exact match. This is
expected to be used by both color correction matrices / crosstalk
correction as well as lens shading correction.
A cache is included only for exact matches of the key. The caller is
expected to decide the tolererance for rounding.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add a class to represent a Matrix object and operations for adding
matrices, multipling a matrix by a scalar, and multiplying two matrices.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-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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Implement a specialization of the YamlObject::Getter structure to
support deserializing ipa::Pwl objects from YAML data.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The Pwl::Pwl(const std::vector<Point> &) constructor is inefficient as
it makes a copy of the given points vector. Add a second constructor
that takes an rvalue reference to a points vector to provide move
semantics.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add a size() function to the Pwl class to return the number of points in
the piecewise linear function. This is useful, for instance, to validate
that all points added with append() or prepend() have been taken into
account.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The Pwl::empty() function is a one-liner that can be easily optimized by
the compiler given the chance. Make it inline.
While at it, move the function documentation block to match the class
declaration order.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Suffix the Doxygen \param commands with the direction for all
parameters.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Now that YAML deserialization of Vector instances is supported through
YamlObject::get(), remove the Vector::readYaml() function. It turns out
not to be used.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Implement a specialization of the YamlObject::Getter structure to
support deserializing ipa::Vector objects from YAML data.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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The YamlObject::get() function is a function template that gets fully
specialized for various types. This works fine for non-template types,
but specializing it for template types (e.g. a std::vector<U>) would
require partial template specialization, which C++ allows for classes
and variables but not functions.
To work around this problem, delegate the implementation to a new
YamlObject::Getter structure template, which will support partial
specialization.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Plumb controls for setting metering mode, exposure mode, constraint
mode, and frame duration limits. Also report them as available controls,
as well as in metadata.
While at it, add the missing #include for tuple, as a std::tie is used.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add support to the rkisp1 AGC to read histogram weights from the tuning
file. As controls for selecting the metering mode are not yet supported,
for now hardcode the matrix metering mode, which is the same as what the
AGC previously hardcoded.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
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A few function parameters are marked with [[maybe_unused]] but are
actually used. Drop the attribute.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-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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convertContrast() and convertSaturation() are equal. Merge them into
one.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-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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Use a anonymous namespace instead of the static keyword to limity symbol
visibility.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-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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generateConfiguration() called validate() as a final step, causing the
stride and frameSize fields in StreamConfiguration to be filled in based
on the pixel format and width/height.
If a user application did not clear the stride field when setting up a
custom pixel format and width/height, the pipeline handler would respect
this stride and possibly overallocate buffers with a larger stride than
needed.
Fix this by removing the call to validate() completely, leaving the
stride and frameSize fields defaulting to 0. Removal of this call is
inconsequential as we hard-code a valid configuration for Raspberry Pi
platforms in generateConfiguration().
Bug: https://github.com/raspberrypi/libcamera/issues/138
Bug: https://github.com/raspberrypi/libcamera/issues/141
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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This way the construction of the default value of type `T`
can be delayed until it is really needed, which is useful,
for example when `T == std::string` and the default value comes
from a string literal, as the default value string would always
be constructed otherwise, even if not needed.
Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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All CameraSensorHelper subclasses define their member functions inline,
except for the CameraSensorHelperAr0521 class. Inline the gainCode() and
gain() functions to match the other classes.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The last sentence of the Gamma control description misses the final
period. Add it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Replace one occurrence of the auto type qualifier with the explicit type
it represents to increase readability.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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