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The black level determination, already present as a separate class, can
be moved to the prepared Algorithm processing structure. It is the
first of the current software ISP algorithms that is called in the stats
processing sequence, which means it is also the first one that should be
moved to the new structure. Stats processing starts with calling
Algorithm-based processing so the call order of the algorithms is
retained.
Movement of this algorithm is relatively straightforward because all it
does is processing stats.
The comment about getting black level from the tuning files is dropped.
The black level will be taken from CameraSensorHelper if available and
that will be implemented in one of the followup patches.
Black level is now recomputed on each stats processing. In a future
patch, after DelayedControls are used, this will be changed to recompute
the black level only after exposure/gain changes.
The black level depends on the sensor used, the computed value can be
reused in a followup capture sessions with the same sensor. Thus it is
sufficient to (re)set the initial value in BlackLevel::init.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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This patch adds Algorithm::process call for the defined algorithms.
This is preparation only since there are currently no Algorithm based
algorithms defined.
As software ISP currently doesn't produce any metadata, a dummy and
unused metadata instance is created to satisfy Algorithm::process API.
This should be changed in future.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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This patch adds Algorithm::prepare call for the defined algorithms.
This is preparation only since there are currently no Algorithm based
algorithms defined.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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This patch adds Algorithm::queueRequest call for the defined algorithms.
As there are currently no control knobs in software ISP nor the
corresponding queueRequest call chain, the patch also introduces the
queueRequest methods and calls from the pipeline to the IPA.
This is preparation only since there are currently no Algorithm based
algorithms defined and no current software ISP algorithms support
control knobs.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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This patch adds Algorithm::configure call for the defined algorithms.
This is preparation only since there are currently no Algorithm based
algorithms defined.
A part of this change is passing IPAConfigInfo instead of ControlInfoMap
to configure() calls as this is what Algorithm::configure expects.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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We are ready to introduce algorithms now. First, let's create
algorithms. The algorithms are not called yet, calls to them will be
added in followup patches.
The maximum number of contexts is set to the same value as in hardware
pipelines.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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A previous preparation patch implemented passing frame ids to stats
processing but without actual meaningful frame id value passed there.
This patch extends that by actually providing the frame id and passing
it through to the stats processor.
The frame id is taken from the request sequence number, the same as in
hardware pipelines.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The policy and the style checker require that \brief, \param and \return
texts don't finish with a dot. This needs to be fixed in debayer.cpp.
Also leading spaces in a \return statement are removed from there.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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This patch adds frame and bufferId arguments to stats related calls.
Although the parameters are currently unused, because frame ids are not
tracked and used and the stats buffer is passed around directly rather
than being referred by its id, they bring the internal APIs closer to
their counterparts in hardware pipelines.
It serves as a preparation for followup patches that will introduce:
- Frame number tracking in order to switch to DelayedControls
(software ISP TODO #11 + #12).
- A ring buffer for stats in order to improve passing the stats
(software ISP TODO #2).
Frame and buffer ids are unrelated for the given purposes but since they
are passed together at the same places, the change is implemented as a
single patch rather than two, basically the same, patches.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The Module class is a base class for all IPA modules.
In addition, implement logPrefix() of the module for the softIPA.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Software ISP image processing algorithms are currently defined in a
simplified way, different from other libcamera pipelines. This is not
good for several reasons:
- It makes the software ISP code harder to understand due to its
different structuring.
- Adding more algorithms may make the code harder to understand
generally.
- Mass libcamera code changes may not be easily applicable to software
ISP.
- Algorithm sharing with other pipelines is not easily possible.
This patch introduces basic software ISP IPA skeletons structured
similarly to the other pipelines. The newly added files are currently
not used or compiled and the general skeleton structures don't contain
anything particular. It is just a preparation step for a larger
refactoring and the code will be actually used and extended as needed in
followup patches.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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IPA modules use custom namespaces for all their internal components to
avoid namespace clashes. The simple IPA module for the software ISP uses
libcamera::ipa::soft for this purpose. It however defines an internal
class named BlackLevel in the root of the libcamera namespace, making it
prone to clashes. Move it to the ipa::soft namespace along with the rest
of the code.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Remove unused libcamera internal headers bayer_format.h, framebuffer.h
and mapped_frameBuffer.h.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Now that controls can be queried for array information, print it in
--list-controls when applicable.
Example output (with dummy controls added to vimc):
$ cam -c 1 --list-controls
Using camera platform/vimc.0 Sensor B as cam0
Control: ColourGains: [1.000000..4.000000]
Size: 2
Control: Brightness: [-1.000000..1.000000]
Control: AfWindows: [(0, 0)/1x1..(0, 0)/100x100]
Size: n
Control: Contrast: [0.000000..2.000000]
Control: Saturation: [0.000000..2.000000]
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 to ControlId information on whether or not it is an array control,
and the size of the control if it is an array control.
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 python bindings for querying enum value names from a ControlId.
Example usage:
>>> cid
libcamera.ControlId(16, AwbMode, ControlType.Integer32)
>>> cid.enumerators()
{0: 'AwbAuto', 1: 'AwbIncandescent', 2: 'AwbTungsten', 3: 'AwbFluorescent', 4: 'AwbIndoor', 5: 'AwbDaylight', 6: 'AwbCloudy', 7: 'AwbCustom'}
>>> cinfo
libcamera.ControlInfo([2..5])
>>> cinfo.values
[2, 3, 5]
>>> [cid.enumerators()[v] for v in cinfo.values]
['AwbTungsten', 'AwbFluorescent', 'AwbDaylight']
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>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Now that enum names can be obtained from ControlId, use that information
to print out the list of supported enum values in --list-controls.
Example output (with a dummy AwbMode ControlInfo added to vimc):
$ cam -c 1 --list-controls
Using camera platform/vimc.0 Sensor B as cam0
Control: AwbMode:
- AwbTungsten (2)
- AwbFluorescent (3)
- AwbDaylight (5)
Control: Brightness: [-1.000000..1.000000]
Control: Contrast: [0.000000..2.000000]
Control: Saturation: [0.000000..2.000000]
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@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 to ControlId information about the names and values of enum, in the
event that the ControlId is an enum type. This allows applications to
query the ControlId for the names of the enum values, so that they can
be displayed on a UI, for example. Without this, it was necessary to use
macros of NameOfControlNameValueMap, which is difficult to use and is
very inflexible.
There already exists a map from name -> value in generated code. Reuse
this and pass it to the ControlId constructor, which in turn generates
the reverse map. The reverse map is then exposed to applications.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@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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Sort the options passed to meson setup alphabetically when performing a
slimline libcamera build.
Signed-off-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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While building the core libcamera library for ABI compatibility checks,
the pycamera python bindings may get built if the required dependencies
are found.
The ABI compatibility checks do not validate or verify the Python API -
so remove this from the intermediate build steps.
Signed-off-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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abi-compliance-checker reports 100% binary and source compatibility,
so this release does not change the SONAME.
Binary compatibility: 100%
Source compatibility: 100%
Total binary compatibility problems: 0, warnings: 0
Total source compatibility problems: 0, warnings: 0
bugs:
The following commits in this release relate to either a bug fix or
improvement to existing commit.
- meson: Enable simple pipeline handler on all platforms by default
- Fixes: 06e0d8508e5c ("libcamera: pipeline: simple: Enable intel-ipu6 with Soft ISP")
- libcamera: udev: Catch udev notification errors
- Bug: https://bugs.libcamera.org/show_bug.cgi?id=230
- libcamera: Drop remaining file names from header comment blocks
- Fixes: 829acb3ab0b1 ("libcamera: Drop file name from header comment blocks in templates")
- Documentation: Fix link to introduction on mainpage.dox
- Fixes: 860a3e30319c ("Documentation: Rework docs.rst into introduction.rst")
- Documentation: Fix links from API references to guides
- Fixes: e93886178106 ("Documentation: Improve doxygen main page")
- pipeline: uvcvideo: Implement acquireDevice() + releaseDevice()
- Bug: https://bugs.libcamera.org/show_bug.cgi?id=168
And the following updates have been made in this release, grouped by
category:
core:
- libcamera: Avoid variable-length arrays
- meson: Enable simple pipeline handler on all platforms by default
- libcamera: base: Add MemFd helper class
- libcamera: base: memfd: Handle uClibc compatibility with function wrapper
- libcamera: shared_mem_object: Prevent memfd from shrinking or growing
- libcamera: simple: Log a missing sensor in a better way
- libcamera: ipa_proxy: Unify configurationFile argument name
- libcamera: ipa_proxy: Report a missing configuration as a warning
- libcamera: Remove spaces at end of lines
- meson: Drop gcc 8 support
- utils: checkstyle.py: Warn when no valid Signed-off-by line is found
- libcamera: Drop path prefix from Doxygen file directive
- libcamera: Make all internal headers visible to Doxygen
- libcamera: Unify Doxygen file directive prefix for formats.h
- libcamera: Mark internal parts of public classes with \internal
- libcamera: Hide *::Private classes with __DOXYGEN_PUBLIC__
- libcamera: Split public and internal source arrays
- libcamera: Add version.h to public headers
- libcamera: Drop libcamera_generated_ipa_headers from sources
- libcamera: Move IPA headers to the libcamera_private dependency
- libcamera: Consolidate all IPA headers in libcamera_ipa_headers
- libcamera: Add missing headers to libcamera_internal_headers
- libcamera: Consolidate tracepoint header in libcamera_internal_headers
- libcamera: Don't add libcamera_public_headers to libcamera_public_sources
- utils: checkstyle.py: Add author property to Commit class
- utils: checkstyle.py: Validate SoB trailer against author
- utils: checkstyle.py: Fix trailer parsing for commits with changelogs
- libcamera: ipa_manager: Remove singleton requirement
- libcamera: udev: Catch udev notification errors
- libcamera: Add missing <stdint.h> include to base/file.h
- libcamera: Add missing <stdint.h> include to internal/yaml_parser.h
- libcamera: Fix header grouping
- libcamera: formats: Adding Support for Y12P
- utils: checkstyle.py: Rework commit message parsing
- utils: checkstyle.py: Skip title and trailers checkers for pre-commit
- utils: checkstyle.py: Add __repr__ method to Commit class
- libcamera: simple: Fix a typo in a doc string
- libcamera: camera: Hide Camera::create() from the public API
- meson: Store controls and properties YAML files in variables
- meson: Fix mismatch in controls and properties generated file names
- libcamera: Drop remaining file names from header comment blocks
- meson: Move all code generation scripts to utils/codegen/
- meson: utils: Provide environment for Python scripts
- utils: codegen: gen-header.sh: Generate libcamera.h based on meson.build
- utils: codegen: gen-controls.py: Convert to jinja2 templates
- utils: codegen: gen-controls.py: Move helper classes to separate file
- libcamera: controls: Improve formatting of control descriptions in YAML
- libcamera: pipeline_handler: Fix unlocking media devices too early
- libcamera: pipeline_handler: Call releaseDevice() before unlocking media devices
- libcamera: controls: Fix example for ExposureValue
- utils: update-kernel-headers: Support relative path to kernel git tree
- include: linux: Update headers for rkisp1 extensible parameters
- libcamera: camera: Use invokeMethod() for pipe_->acquire() and pipe_->release()
- libcamera: uvcvideo: Fix includes
- libcamera: v4l2: Remove unused includes
- libcamera: v4l2: Fix an include placement
- libcamera: v4l2: Fix indirect include
- libcamera: libcamera: Remove unused includes
- libcamera: libcamera: Add missing includes
- libcamera: libcamera: Formatting improvements
- libcamera: includes: Add missing includes
- libcamera: includes: Remove unused includes
- libcamera: includes: Formatting improvements
- utils: checkstyle: Add a python formatter
- utils: checkstyle: Remove style checker for python pep8
- libcamera: utils: Add ScopeExitActions class
- libcamera: v4l2_videodevice: Improve readability
- libcamera: media_object: Add MediaPad string representations
- libcamera: media_object: Add MediaLink string representations
- libcamera: media_device: Use MediaLink string helper
- libcamera: yaml-parser: Add additional tests
- libcamera: yaml-parser: Add failing test for unexpected behavior
- libcamera: yaml-parser: Differentiate between empty and empty string
- Document additional environmental variables
pipeline:
- libcamera: software_isp: Remove file seal TODO item
- libcamera: software_isp: Replace malloc() with std::vector<>
- pipeline: rkisp1: Use the extensible parameters format
- pipeline_handler: Add acquireDevice() function to mirror releaseDevice()
- pipeline: uvcvideo: Implement acquireDevice() + releaseDevice()
- libcamera: ipu3: Remove unused includes
- libcamera: ipu3: Replace wrong include
- libcamera: ipu3: Formatting improvements
- libcamera: rkisp1: Remove unused includes
- libcamera: rkisp1: Formatting improvements
- pipeline: rkisp1: Use ScopeExitActions to simplify error handling in start
- libcamera: pipeline: simple: Fix typos in match routing comment
- pipeline: simple: Remove media member variable
- libcamera: pipeline: simple: Use MediaLink string helper
- libcamera: debayer_cpu: Sync DMABUFs
ipa:
- ipa: libipa: camera_sensor_helper: Reference blackLevel() in documentation
- ipa: libipa: Add missing CameraSensorHelper fn label in docs
- ipa: rkisp1: Pass parameters buffer format to IPA module
- ipa: rkisp1: Pass parameters buffer size to pipeline handler
- ipa: rkisp1: Add ISP parameters abstraction class
- ipa: rkisp1: Use the new ISP parameters abstraction
- ipa: rkisp1: params: Add companding blocks
- ipa: rkisp1: Add compand feature flag to ipa context
- ipa: rkisp1: blc: Add support for BLS in compand
- libcamera: libipa: Remove unused includes
- libcamera: ipa: Remove unused includes
- utils: ipc: Include <string> in generated headers where needed
- libcamera: ipa: Drop unneded includes from ipa_interface.h
- ipa: rpi: agc: Ignore stable region when exposure/gain set manually
- ipa: rpi: Adding IMX283 support
- libcamera: libipa: camera_sensor: Add IMX283 black level
- ipa: libipa: Add generic Interpolator class
- ipa: rkisp1: Use generic Interpolator class
- ipa: rkisp1: Remove MatrixInterpolator
- ipa: rkisp1: Use interpolator in lsc
- ipa: rkisp1: Move loader functions into helper class
- ipa: libipa: Add lsc polynomial class
- ipa: rkisp1: Add sensor info to context
- ipa: rkisp1: Add polynomial LSC loader
- libcamera: libipa: camera_sensor: Add Sony IMX214 sensor properties
apps:
- gstreamer: Fix width and height range handling
- apps: qcam: Disable -Wextra-semi
- gstreamer: Fix missing "greater than" symbol in author string
- py: cam: Convert to PyQt6
- py: gen-py-controls: Use Control class
- py: gen-py-controls: Convert to jinja2 templates
- v4l2: Support setting frame rate in the V4L2 Adaptation layer
- qcam: Decrease minimum width of selector dialog
- qcam: Drop Qt version checks
- qcam: viewfinder_qt: Draw the letterbox background black
- qcam: viewfinder_gl: Fix binding of vertex buffer and shader program
- qcam: viewfinder_gl: Drop duplicate glClearColor()
- qcam: viewfinder_gl: Render image centered in letterbox
documentation:
- Documentation: Add Thread safety page
- Documentation: Split doxygen_input in public and internal inputs
- Documentation: Split public/private documentation
- Documentation: Improve doxygen main page
- Documentation: Add documentation-contents.rst
- Documentation: Alphabetise the Documentation toctree
- Documentation: Synchronise camera stack details
- Documentation: Breakout docs.rst
- Documentation: Remove libcamera architecture from introduction.rst
- Documentation: Rework docs.rst into introduction.rst
- Documentation: Rework index.rst
- Documentation: Add internal-api-html placeholder
- Documentation: Reformat documentation_contents.rst
- Documentation: Rename "API" section to "API Reference"
- Documentation: Drop local table of contents from introduction
- Documentation: Rename "Documentation" section to "Introduction"
- Documentation: Fix link to introduction on mainpage.dox
- Documentation: Fix links from API references to guides
tuning:
- utils: tuning: rkisp1: Clean up tuner construction
- utils: tuning: Change Tuner.add() to accept a list of modules
test:
- tests: Add a missing iostream include
- test: ipa: libipa: Add tets for Interpolator
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Provide the Sony IMX214 camera sensor properties and registration with
libipa for the gain code helpers.
Signed-off-by: André Apitzsch <git@apitzsch.eu>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add a loader that is capable of loading polynomial coefficients from the
tuning files. The polynomial is sampled at load time to reduce the
computational overhead at runtime.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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For the LSC algorithm to dynamically calculate the LSC tables based on
the sensor size and the crop rectangle it needs access to that data.
Provide access to it by adding the sensorInfo object to the context.
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>
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Add a basic class to represent polynomials as specified in the DNG spec
for vignetting correction.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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In preparation for supporting polynomial LSC data, move the current
loader into its own helper class.
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>
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Now, that the generic interpolator is available, use it to do the
interpolation of the lens shading tables. This makes the algorithm
easier to read and remove some duplicate 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>
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The MatrixInterpolator is no longer used. Remove it.
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>
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Replace all occurrences of the MatrixInterpolator with the generic one.
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>
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Add tests for the Interpolator class.
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>
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The MatrixInterpolator is great for interpolation of matrices for
different color temperatures. It has however one limitation - it can
only handle matrices. For LSC it would be great to interpolate the LSC
tables (or even polynomials) using the same approach. Add a generic
Interpolator class based on the existing MatrixInterpolator. This class
can be adapted to any other type using partial template specialization.
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>
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When accessing a nonexistent key on a dict the YamlObject returns an
empty element. This element can happily be cast to a string which is
unexpected. For example the following statement:
yamlDict["nonexistent"].get<string>("default")
is expected to return "default" but actually returns "". Fix this by
introducing an empty type to distinguish between an empty YamlObject and
a YamlObject of type value containing an empty string. For completeness
add an isEmpty() function and an explicit cast to bool to be able to
test for that type.
Extend the tests accordingly.
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>
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When accessing a nonexistent key on a dict the YamlObject returns an
empty element. This element can happily be cast to a string. This is
unexpected. For example the following statement:
yamlDict["nonexistent"].get<string>("default")
is expected to return "default" but actually returns "". Add a (failing)
testcase for that behavior.
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>
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Add additional tests in preparation for upcoming modifications on the
yaml parser. These tests handle the case where the yaml file contains
empty items in dictionaries or lists. E.g.:
dict:
key_with_value: value
key_without_value:
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>
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Using `DMA_BUF_IOCTL_SYNC` is required for DMABUFs in order to ensure
correct output. Not doing so currently results in occasional tearing
and/or backlashes in GL/VK clients that use the buffers directly for
rendering.
An alternative approach to have the sync code in `MappedFrameBuffer` was
considered but rejected for now, in order to allow clients more
flexibility.
While the new helper is added to an annoymous namespace, add
timeDiff to the same namespace and remove the static definition as a
drive by.
Signed-off-by: Robert Mader <robert.mader@collabora.com>
Tested-by: Milan Zamazal <mzamazal@redhat.com> # Debix
Tested-by: Hans de Goede <hdegoede@redhat.com> # IPU6 + ov2740
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com> # Lenovo X13s + OV5675
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Replace the open-coded implementation of a link representation
with the operator<< overload string representation to simplify
the code and unify appearance of reporting MediaLinks.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Replace the two open-coded implementations of a link representation
with the operator<< overload string representation to simplify
the code and unify appearance of reporting MediaLinks.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Various parts of libcamera print the representation of a MediaLink by
inline joining the parts to make a string representation.
This repeated use case can be supported with a common helper to print
the MediaLink in a common manner using the existing toString() and
operator<< overload style to make it easier to report on MediaLink
types.
This implementation will report in the following style:
'imx283 1-001a'[0] -> 'video-mux'[0]
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Facilitate easy representations of a MediaPad object by preparing
it as a string and supporting output streams.
A MediaPad will be report in the following style:
'imx283 1-001a'[0]
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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There is no need for the simple pipeline handler to save the media
device. Remove it.
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>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The handling for the sequence number validation within
V4L2VideoDevice::dequeueBuffer makes use of a std::optional, which can
be used as a boolean in conditional statements. This has the impact in
this use case that it can be mis-read to be interpretting the value for
firstFrame_ which is assigned as the buf.sequence.
Remove this potential for confusion by making it clear that the first
frame handling is only performed when firstFrame_ does not have a value
assigned.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[Kieran: Rework commit message]
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Fix a small typo in the comment regarding the default routing
table configuration.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Report the default sensor black level reported by the datasheet.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add support for the IMX283 sensor for the VC4 target.
Signed-off-by: will whang <will@willwhang.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Mimic the letterbox behaviour of the Qt viewfinder by rendering the
image centered. This is done by adding a projection matrix to the vertex
shader to scale the rendered rectangle.
Another option would have been to keep using glViewport() (which would
have needed to be moved to paintGL(), as Qt resets the viewport to span
the full widget before calling). Hidpi displays would then need special
handling of the device pixel ratio, which is done automatically by Qt
when it sets the default viewport. Using a projection matrix avoids this
complication.
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>
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There's no need to call glClearColor() twice before drawing any GL
content. Drop the first call. This doesn't introduce any functional
change.
While at it, pass floats instead of doubles to glClearColor(), as
required by the function.
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>
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Starting in Qt 6.7.0, vertex buffers and shader programs are unbound
just before calling QOpenGLWidget::paintGL(). This breaks rendering in
the GL viewfinder in two ways.
First, we bind the vertex buffer only once at initialization time. There
is therefore no vertex buffer mapped at rendering time, preventing both
the vertex shader from having access to the vertex and texture
coordinates.
Then, we bind the shader program only when rendering the first frame.
There is thus no shader program bound for all subsequent frames,
breaking rendering.
Fix this by binding the vertex buffer where needed, when setting
attribute buffers for the shader program, and binding the shader program
for every frame.
As we use a single vertex buffer, we could bind it at the beginning of
paintGL() and keep it bound indefinitely. That would however fail to
clearly indicate in the source code where the vertex buffer is needed,
making the code more difficult to understand as it would rely on
implicit assumptions. Release the vertex buffer explicitly when we don't
need it anymore to avoid this.
While at it, fix a coding style violation by adding missing curly
brackets.
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>
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When the widget's aspect ratio doesn't match the camera aspect ratio,
the viewfinder is rendered letter-boxed. The side rectangles are not
painted by the viewfinder, and Qt thus renders the parent widget
background to fill that space.
To make it black, we have two options:
- The simplest option is to set the widget's autoFillBackground property
to true. This causes Qt to paint the whole widget with its background
colour before calling paintEvent(). As the camera image typically
covers most (if not all) of the viewfinder widget, this is less
efficient.
- The more complicated option is to paint the letterbox rectangles
manually. We can additionally set the widget's WA_OpaquePaintEvent
attribute to instruct Qt to skip painting the parent widget. This
reduces CPU usage by about 1% (and may reduce GPU usage as well).
Note that the WA_OpaquePaintEvent attribute has to be disabled when we
render the stopped icon, as the icon has a transparent background.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The Qt version checks to support different minor Qt5 versions are not
needed anymore, now that we switched to Qt6. Drop them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Neal Gompa <neal@gompa.dev>
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On phone screens the default width is too wide, so the OK button cannot
be clicked.
Fix this by decreasing the minimum size of the dialog so it fits nicely.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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