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Switch IPA communication to the plain C API. As the IPAInterface class
is easier to use for pipeline handlers than a plain C API, retain it and
add an IPAContextWrapper that translate between the C++ and the C APIs.
On the IPA module side usage of IPAInterface may be desired for IPAs
implemented in C++ that want to link to libcamera. For those IPAs, a new
IPAInterfaceWrapper helper class is introduced to wrap the IPAInterface
implemented internally by the IPA module into an ipa_context,
ipa_context_ops and ipa_callback_ops.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Add an IPA which controls the exposure time and analog gain for a sensor
connected to the rkisp1 pipeline. The IPA supports turning AE on and off
and informing the camera of the status of the AE control loop.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Open source IPA implementations can benefit from usage of libcamera
internal APIs. Allow this by compiling against the internal headers and
linking against libcamera.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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The DummyIPA is actually a test IPA module for the virtual media
controller driver VIMC. Rename it accordingly to its usage.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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The ipa_dummy.cpp and ipa_dummy_isolate.cpp only differ in the license
reported in the IPAModuleInfo structure. Drop the second file and
generate the two .so from ipa_dummy.cpp, with the license defined
through the command line.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Add the dummy IPA that needs isolation to meson. At the same time, clean
up the IPA meson to facilitate adding more IPAs.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add a dummy IPA module.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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IPAManager is a class that will search in given directories for IPA
modules, and will load them into a list. It also provides an interface
for pipeline handlers to acquire an IPA.
A meson build file for the IPAs is added, which also specifies a
hard-coded path for where to load the IPAs from in the installation
directory. More paths can be specified with the environment variable
LIBCAMERA_IPA_MODULE_PATH, with the same syntax as the regular PATH
environment variable. Make the test framework set this environment
variable.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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