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The rkisp1 tuner used a static module to insert the AWB algorithm into
the tuning file. Replace that with the new AWB module.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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This AWB module uses the awb function from Raspberry Pi to calculate the
needed white balance gains per colour temperature. It stores these gains
in the tuning file.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The color temperature member of the image object was named "col" in the
past. Now it is named "color" (which is still not very expressive).
There are still a few unspotted accesses to the col member. Fix them to
access the color member.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Replace the Cam object with a list parameter to be able to call the
ctt_awb.awb() function from libtuning code.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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To be able to use the awb function copied from the Raspberry Pi tuning
scripts in the libtuning code, we need to remove the Cam object. Use the
logging framework to replace all accesses to Cam.log.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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There are many use-cases (tuning-validation, working in static
environments) where a manual ColourTemperature control is helpful.
Implement that by interpolating and applying the white balance gains
from the tuning file according to the requested colour temperature. If
colour gains are provided on the same request, they take precedence.
Store the colour temperature used for a given frame in the frame context
and report that in metadata.
Note that in the automatic case, the colour gains are still based on the
gray world model and the CT curve from the tuning file get ignored.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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For the implementation of a manual colour temperature setting, it is
necessary to read predefined colour gains per colour temperature from
the tuning file. Implement this in a backwards compatible way. If no
gains are contained in the tuning file, loading just continues as
before.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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For manual control it is helpful to be able to specify a fixed colour
temperature. It also provides an easy way to apply the temperature
specific CCMs and colour gains that are contained in the tuning files.
Document this and update the control dependencies.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Tuning fails for raw images that don't have the channels ordered in
RGGB. In 19dc8c28f63c ("utils: tuning: libtuning: Implement the core of
libtuning") the channels of the image were reordered to RGGB
unconditionally in _read_image_dng(). That change was not applied to the
ctt_awb code, so that the channels were reordered twice. Fix by removing
the double ordering.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Tested-by: Isaac Scott <isaac.scott@ideasonboard.com>
Reviewed-by: Isaac Scott <isaac.scott@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Now that there is support for retrieving the allowed directions of a
control, print this information when listing controls.
Sample output:
$ cam --list-controls -c 2
Using camera Virtual0 as cam0
Control: [inout] draft::FaceDetectMode:
- FaceDetectModeOff (0)
Control: [inout] libcamera::FrameDurationLimits: [16666..33333]
Size: 2
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>
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Add support to ControlId for querying direction information. This allows
applications to query whether a ControlId is meant for being set in
controls or to be returned in metadata or both. This also has a side
effect of properly encoding this information, as previously it was only
mentioned losely and inconsistently in the control id definition.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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In preparation for adding support for querying direction information
from controls, parse the direction information from control ID
definitions. This can later be plugged in directly to the IPA code
generators simply by using ctrl.direction.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
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In preparation for adding support for querying direction information
from controls, populate the corresponding field in the control ID
defintions.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
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Add a tuning data file for the IMX415 camera sensor. The black level
offset data is drawn from the camera sensor's datasheet. The lens
shading tables are generated through the libtuning LSC modules.
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
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Add a lens shading correction algorithm to the mali-c55 IPA. This
algorithm parses tables from Yaml in a easy to follow format before
munging them into Arm's interleaved mesh to be copied to the ISP.
A colour temperature estimate from the AGC statistics is used to
select the appropriate table to apply; this can be some interpolation
of two tables, in which case the colour temperature estimate is also
used to derive the coefficient that does the blending.
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
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Add a simple grey-world auto white balance algorithm to the mali-c55
IPA.
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
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Add a Black Level Correction algorithm.
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
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Add a new algorithm and associated infrastructure for Agc. The
tuning files for uncalibrated sensors is extended to enable the
algorithm.
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Plumb the Pipeline-IPA loop in.
Load the IPA module at camera creation time and create the loop between
the pipeline and the IPA.
When a new Request is queued the IPA is asked to prepare the parameters
buffer, once ready it notifies the pipeline which queues the parameters
to the ISP along with a buffer for statistics and frames,
Once statistics are ready they get passed to the IPA which upates its
settings for the next frame.
Driveby fix an error message in the Pipeline Handler's ::freeBuffers()
function which reported a problem with the wrong video device in an
error path.
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add a barebones IPA module for the Mali-C55 ISP. In this initial
implementation pretty much only buffer plumbing is implemented.
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Acquire the mali-c55 3a stats and parameters video devices during
::match() and plumb them in.
For this commit we simply allocate and release buffers for the
statistics and parameters. Statistics buffers are queue and dequeued
from the stats video device but their contents are for now untouched.
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
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Add the new format describing the Mali C55's Statistics and Parameters
to videodev2. These come from the v8 of the C55 kernel driver series
[1]. Once the kernel driver is merged we can replace these temporary
manual additions with updates to the scripts that merge in the
kernel headers.
[1] https://lore.kernel.org/linux-media/20241106100534.768400-1-dan.scally@ideasonboard.com/
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
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Add the header file describing the Mali C55's 3A statistics and
parameters structures so that they can be used by the new IPA module.
The header has been taken from the v6 of the patchset for the Mali
C55 ISP driver submitted to linux-media, found at the link below:
https://lore.kernel.org/linux-media/20240709132906.3198927-1-dan.scally@ideasonboard.com/
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The rkisp1 IPA has some utility functions to convert between fixed
and floating point numbers. Move those to libipa so they're available
for use in other IPA modules too.
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Now that we have camera sensor control application delay values in
the CameraSensorProperties class, remove the duplicated definitions
in the RPi IPA's CameraSensorHelpers and update the pipeline handler
to use the values from CameraSensorProperties.
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add entries for the OmniVision OV7251 and OV9281 sensors. The control
delay values are drawn from the Raspberry Pi CameraSensorHelper class
for these sensors - the pixel sizes from the datasheets. Both sensors
are monochrome and do not have test pattern settings that correspond
to defined control values.
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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In RkISPPath::validate() the sensor sizes are correctly filtered to the
ones supported by the ISP. But later in RkISPPipeline::configure() the
configured stream size is passed to sensor->getFormat() and the
CameraSensor class chooses the best sensor format for the requested
stream size. This can result in a sensor format that is too big for the
ISP. Fix that by supplying the maximum resolution supported by the ISP
to setFormat().
Fixes: 761545407c76 ("pipeline: rkisp1: Filter out sensor sizes not supported by the pipeline")
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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The getFormat function takes the aspect ratio and the area of the
requested size into account when choosing the best sensor size. In case
the sensor is connected to an rkisp1 the maximum supported frame size of
the ISP is another constraining factor for the selection of the best
format. Add a maxSize parameter to support such a constraint.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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When the dewarper is used, config->validate() needs to take the
restrictions of the dewarper into account. Add the corresponding checks.
As the useDewarper_ variable is now accessed earlier in
PipelineHandlerRkISP1::configure(), ensure it gets set early enough.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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handler
For the validate() implementation, the RkISP1CameraConfiguration needs
access to dewarper related members of the PipelineHandlerRkISP1 object.
Allow this access by adding const versions of the pipe accessors and
making RkISP1CameraConfiguration a friend of PipelineHandlerRkISP1.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Allow access to the pipeline handler on a const instance of
Camera::Private.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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In configure() and in the future in generateConfiguration() the
calculated stream sizes and crop rectangles depend on the dewarper being
available or not. It is therefore not possible to disable the dewarper
later if configuration fails. Error out in that case.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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Refactor validation code to prepare for extensions in the upcoming
patches. Code duplication is reduced by moving parts of the validation
logic into a lambda function. This patch does not include any functional
changes.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Add to the Converter interface two functions used by pipeline handlers
to validate and adjust the converter input and output configurations
by specifying the desired alignment for the adjustment.
Add the adjustInputSize() and adjustOutputSize() functions that allows
to adjust the converter input/output sizes with the desired alignment.
Add a validateOutput() function meant to be used by the pipeline
handler implementations of validate(). The function adjusts a
StreamConfiguration to a valid configuration produced by the Converter.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
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The ScalerMaximumCrop property holds the biggest allowed ScalerCrop
value. Add it to the rkisp1.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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ScalerCrop is specified as being in sensor coordinates. The current
dewarper implementation on the imx8mp handles ScalerCrop in dewarper
coordinates. This leads to unexpected results and an unusable ScalerCrop
control in camshark. Fix that by transforming back and forth between
sensor coordinates and dewarper coordinates.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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Query the crop bounds on the dewarper instead of the stream in case the
camera was not yet configured when updateControls() gets called. This
provides sane defaults for the controls.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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Add a isConfigured() function to be able to check if a given stream was
configured in the converter. This is useful in pipelines to either query
device or stream specific crop bounds depending on whether the stream is
configured or not.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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The inputCropBounds_ member of the V4L2M2MConverter::Stream class is
only initialized after a V4L2M2MConverter::configure() call, when the
streams are initialized.
However, the converter has crop limits that do not depend on the
configured Streams, and which are currently not accessible from the
class interface.
Add a new inputCropBounds() function to the V4L2M2MConverter class
that allows to retrieve the converter crop limits before any stream
is configured.
This is particularly useful for pipelines to initialize controls and
properties and to implement validation before the Camera gets
configured.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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In an upcoming patch it is necessary to get the crop bounds on the
converter itself. The V4L2M2MConverter contains code that is very
similar to the get crop bounds code in the V4L2M2MStream. Merge these
code blocks into a static function to be used from both classes. This
patch contains no functional changes.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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In preparation for adding new functions and overrides to the
V4L2M2MDevice class, add an override specifier to all overridden
functions in the class. This prevents -Winconsistent-missing-override
warnings.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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The sensorInfo (specifically the crop rectangle of the selected sensor
mode) is collected to be passed to the IPA later. In an upcoming patch
that data will also be needed for correct ScalerCrop handling. Move the
collection of the sensorInfo before the dewarper configuration step and
refactor the code a bit.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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One Rectangle instance is used to calculate the inputCrop and the
outputCrop of the ISP in the rkisp1 pipeline. Split that into two
distinct variables, because both values will be needed in the upcoming
patches. This patch does not contain any functional changes.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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Handling cropping and scaling within a complicated pipeline involves
transformations of rectangles between different coordinate systems. For
example the full input of the dewarper (0,0)/1920x1080 might correspond
to the rectangle (0, 243)/2592x1458 in sensor coordinates (of a
2592x1944 sensor). Add a function that allows the transformation of a
rectangle defined in one reference frame (dewarper) into the coordinates
of a second reference frame (sensor).
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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In the current code, the input stage of the image resizer is used to
apply a crop to keep the aspect ratio in cases where the requested
output aspect ratio differs from the one of the selected sensor mode. On
the imx8mp the resizer hardware is not capable of cropping (for
reference see also rkisp1-resizer.c:rkisp1_rsz_set_sink_crop() in the
linux kernel v6.10).
Therefore apply the necessary cropping on the output of the ISP (on the
image stabilization block). The cropping code on the image resizer
doesn't need modifications as the requested crop gets ignored by the
kernel.
While at it, remove a todo comment that is no longer needed.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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Move the definition of the dewarper stop() action into the scope were
the corresponding start() happens.
Fixes: 12b553d691d4 ("libcamera: rkisp1: Plumb the dw100 dewarper as V4L2M2M converter")
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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The conversions back and forth between GStreamer colorimetry and
libcamera color space are not invariant for the bt601 colorimetry.
The reason is that Rec709 transfer function defined in GStreamer
as GST_VIDEO_TRANSFER_BT709 (5), is to be replaced by its alias
GST_VIDEO_TRANSFER_BT601 (16) only for the case of bt601 (aka 2:4:16:4)
colorimetry - see [1].
Currently the composition of the GStreamer/libcamera conversions:
colorimetry_from_colorspace (colorspace_from_colorimetry (bt601))
returns 2:4:5:4 instead of the expected 2:4:16:4 (bt601). This
causes negotiation error when the downstream element explicitly
expects bt601 colorimetry.
Minimal example to reproduce the issue is with a pipeline handler
that do not set the optional color space in the stream configuration,
for instance vimc or imx8-isi:
export LIBCAMERA_PIPELINES_MATCH_LIST="vimc,imx8-isi"
gst-launch-1.0 -v libcamerasrc ! video/x-raw,colorimetry=bt601 ! fakesink
Above pipeline fails to start. This change memorizes downstream required
transfer function when mapped libcamera transfer is Rec709 in
gst_libcamera_configure_stream_from_caps(), and restores the transfer
function in gst_libcamera_stream_formats_to_caps().
[1] https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/724
Bug: https://bugs.libcamera.org/show_bug.cgi?id=150
Signed-off-by: Hou Qi <qi.hou@nxp.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Comparing a std::string to an empty string literal is more complex than
using the std::string::empty() function. Improve the code efficiency by
replacing the former with the latter.
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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This is the minimum permitted difference between the frame length and
coarse exposure (both measured in lines). The correct value, taken
from the datasheet, is 48.
Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The StreamConfiguration class only implements toString() but doesn't
offer an overload of operator<<() which is more convenient to use.
Add an overload for operator<<(StreamConfiguration) and re-implement
StreamConfiguration::toString() on top of it.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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