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Fix a number of spelling errors and word duplications throughout the comments
within libcamera.
These were picked up with spellintian.
Also one capitalisation of the first word of a \return statement picked
up by checkstyle.py while creating this patch.
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The second argument to std::array is the size of the array, not of the
elements it contains. Fix this by turning the std::array into a simple
array of const char pointers.
Fixes: 099815b85377ac68 ("libcamera: ipa_module: add isOpenSource")
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Add a method to IPAModule to check if the module is open source.
This uses the license field of the member IPAModuleInfo.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add a field to IPAModuleInfo to contain the license of the module.
This license field will be used to determine whether the IPA module
should be run in an isolated process or not. If the license is open
source, then the IPA module will be allowed to run without process
isolation, if the user enables it. If the license is not open source,
then the IPA module will be run with process isolation.
Update the dummy IPA and IPA test to conform to the new struct layout.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Make elfLoadSymbol more generic by making the symbol size an output
rather than an input. Also move the memcpy out of elfLoadSymbol.
If the size of struct IPAModuleInfo changes between versions, we still
want to be able to load it and perhaps do conversions for backwards
compatibility. In this case the size should not be a restriction when
searching for the symbol.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add an error message to tell, if an IPA module failed to load, the
path to the IPA module shared object that was attempted to be loaded.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Add a method to IPAModule to get the path of the IPA module shared
object that the IPAModule was constructed from.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add a method to IPAModule to check if it matches with a given pipeline
handler and pipeline version range.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add functions for loading the IPAInterface factory function from an IPA
module shared object, and for creating an instance of an IPAInterface.
These functions will be used by IPAManager, from which a PipelineHandler
will request an IPAInterface.
Also update meson to add the "-ldl" linker argument, to allow loading of
the factory function from a shared object.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The IPA module API version determines the layout of struct
IPAModuleInfo. If this version number does not match, then it means that
the IPA module information structure can't be interpreted, and the
module can't be used. Validate this version number upon loading the
IPA module info from the IPA shared object.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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We need a way to match pipelines with IPA modules, so add fields in
IPAModuleInfo to hold the IPA module API version number, the pipeline
name, and the pipeline version.
The module API version is used to determine the layout of struct
IPAModuleInfo.
Also update IPA module tests and Doxygen accordingly. Doxygen needs to
be updated to accomodate __attribute__((packed)).
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Implement a class to wrap around an IPA module shared object.
For now, just load a struct IPAModuleInfo with symbol name
ipaModuleInfo from an IPA module .so shared object.
Also provide a public header file including the struct IPAModuleInfo,
structured such that both C and C++ IPA modules are supported.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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