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Add helper functions for converting between floating point and fixed
point numbers. Also add tests for them.
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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The current IPA build files require a flat directory structure for the
IPAs. Modify the build files to remove this restriction and allow a
directory structure such as:
src/ipa
|- raspberrypi
|- common
|- cam_helpers
|- controller
|- vc4
|- rkisp1
|- ipu3
where each subdir (e.g. raspberrypi/common, raspberrypi/cam_helper) has
its own meson.build file. Such a directory structure will be introduced
for the Raspberry Pi IPA in a future commit.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add the OV5640 tuning file containing default values for 'black level
correction' algorithm.
Signed-off-by: Florian Sylvestre <fsylvestre@baylibre.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Now that libipa offers a templated class for Algorithm, use it in
RkISP1.
Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Before using any algorithm, we want the IPAContext to be ready for
those. Introduce the IPAContext following the existing design from
IPA::IPU3. Each algorithm will then introduce the needed fields.
Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Headers which must not be exposed as part of the public libcamera API
should include base/private.h.
Any interface which includes the private.h header will only be able to
build if the libcamera_private dependency is used (or the
libcamera_base_private dependency directly).
Build targets which are intended to use the private API's will use the
libcamera_private to handle the automatic definition of the inclusion
guard.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Remove everything related to the C API, including ipa_context,
ipa_context_wrapper, and IPAInterfaceWrapper. Also remove relevant
documentation.
ipaCreate() provided by IPA implementations, and createInterface()
provided by IPAModule (wrapper around IPA implementation) both now
return a C++ object IPAInterface instead of struct ipa_context.
Although IPAInterfaceWrapper is the only component of libipa, the
skeleton and build files for libipa are retained.
After converting the C API to the C++-only API, make all pipeline
handlers and IPAs use the new API.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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This is a combination of 21 commits:
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libcamera: IPAModule: Replace ipa_context with IPAInterface
With the new IPC infrastructure, we no longer need the C interface as
provided by struct ipa_context. Make ipaCreate_() and createInterface()
return IPAInterface.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-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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libcamera: ipa_context_wrapper: Remove ipa_context_wrapper
Since ipa_context has been replaced with custom IPAInterfaces, it is not
longer needed. Remove it.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
libcamera: IPAInterface: remove ipa_context and functions from documentation
Remove all the documentation related to ipa_context and the C IPA API,
as well as the documentation about the functions in the IPAInterface.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
---
libcamera: IPAInterface: Remove all functions from IPAInterface
Now that all the functions in the IPA interface are defined in the data
definition file and a specialized IPAInterface is generated per pipeline
handler, remove all the functions from the base IPAInterface.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
libcamera: IPAInterface: make ipaCreate return IPAInterface
With the new IPC infrastructure, we no longer need the C interface as
provided by struct ipa_context. Make ipaCreate return IPAinterface.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
---
ipa: remove IPAInterfaceWrapper
As every pipeline has its own proxy, IPAInterfaceWrapper is no
longer necessary. Remove it.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
---
libcamera: IPAProxy: Remove stop() override
Since stop() is part of the IPA interface, and the IPA interface is now
generated based on the data definition file per pipeline, this no longer
needs to be overrided by the base IPAProxy. Remove it.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
libcamera: IPAProxy, IPAManager: Switch to one-proxy-per-pipeline scheme
IPAProxy is changed in two major ways:
- Every pipeline has its own proxy, to support each pipeline's IPA
interface
- IPAProxy implementations always encapsulate IPA modules, and switch
internally for isolation or threaded
The IPAProxy registration mechanism is removed, as each pipeline will
have its own proxy, so the pipeline can pass the specialized class name
of the IPAProxy to the IPAManager for construction.
IPAManager is changed accordingly to support these changes:
- createIPA is a template function that takes an IPAProxy class, and
always returns an IPAProxy
- IPAManager no longer decides on isolation, and simply creates an
IPAProxy instance while passing the isolation flag
Consequently, the old IPAProxy classes (IPAProxyThread and
IPAProxyLinux) are removed. The IPAInterfaceTest is updated to use
the new IPAManager interface, and to construct a ProcessManager as no
single global instance is created anymore.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
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libcamera: IPAProxy: Add isolate parameter to create()
Since IPAProxy implementations now always encapsulate IPA modules, add a
parameter to create() to signal if the proxy should isolate the IPA or not.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
libcamera: IPAManager: Fetch IPAProxy corresponding to pipeline
Now that each pipeline handler has its own IPAProxy implementation, make
the IPAManager fetch the IPAProxy based on the pipeline handler name.
Also, since the IPAProxy is used regardless of isolation or no
isolation, remove the isolation check from the proxy selection.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
---
libcamera: IPAManager: add isolation flag to proxy creation
When the IPA proxy is created, it needs to know whether to isolate or
not. Feed the flag at creation of the IPA proxy.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
libcamera: IPAManager: Make createIPA return proxy directly
Since every pipeline knows the type of the proxy that it needs, and
since all IPAs are to be wrapped in a proxy, IPAManager no longer needs
to search in the factory list to fetch the proxy factory to construct a
factory. Instead, we define createIPA as a template function, and the
pipeline handler can declare the proxy type when it calls createIPA.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
libcamera: IPAProxy: Remove registration mechanism
Implementations of IPA proxies use a registration mechanism to register
themselves with the main IPA proxy factory. This registration declares
static objects, causing a risk of things being constructed before the
proper libcamera facilities are ready. Since each pipeline handler has
its own IPA proxy and knows the type, it isn't necessary to have a proxy
factory. Remove it to alleviate the risk of early construction.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
libcamera: proxy: Remove IPAProxyLinux and IPAProxyThread
We have now changed the proxy from per-IPC mechanism to per-pipeline.
The per-IPC mechanism proxies are thus no longer needed; remove them.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
tests: ipa_interface_test: Update to use new createIPA
Update the IPA interface test to use the new createIPA function from
IPAManager. Also create an instance of ProcessManager, as no single
global instance is created automatically anymore. Update meson.build to
to depend on the generated IPA interface headers.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
libcamera: PipelineHandler: Remove IPA from base class
Since pipeline handlers now have their own IPA interface types, it can no
longer be defined in the base class, and each pipeline handler
implementation must declare it and its type themselves. Remove it from
the base class.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
ipa: raspberrypi: Add mojom data definition file
Add a mojom data definition for raspberrypi pipeline handler's IPAs.
This simplifies the API between the raspberrypi pipeline handler and the
IPA, and is not a direct translation of what was used before with
IPAOperationData.
Also move the enums from raspberrypi.h to raspberrypi.mojom
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
libcamera: pipeline, ipa: raspberrypi: Use new data definition
Now that we can generate custom functions and data structures with mojo,
switch the raspberrypi pipeline handler and IPA to use the custom data
structures as defined in the mojom data definition file.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
libcamera: pipeline, ipa: vimc: Support the new IPC mechanism
Add support to vimc pipeline handler and IPA for the new IPC mechanism.
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>
---
libcamera: pipeline, ipa: rkisp1: Support the new IPC mechanism
Add support to the rkisp1 pipeline handler and IPA for the new IPC
mechanism.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
libcamera: pipeline, ipa: ipu3: Support the new IPC mechanism
Add support to ipu3 pipeline handler and IPA for the new IPC mechanism.
[Original version]
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
[Fixed commit message and small changes]
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The meson.build files mix array declarations with and without a space
after the opening and before the closing square bracket. The vast
majority of cases don't use spaces, so standardize on that.
While it it, fix indentation in a few places.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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In an attempt to clarify the license terms of all files in the libcamera
project, the build system files deserve particular attention. While they
describe how the binaries are created, they are not themselves
transformed into any part of binary distributions of the software, and
thus don't influence the copyright on the binary packages. They are
however subject to copyright, and thus influence the distribution terms
of the source packages.
Most of the meson.build files would not meet the threshold of
originality criteria required for copyright protection. Some of the more
complex meson.build files may be eligible for copyright protection. To
avoid any ambiguity and uncertainty, state our intent to not assert
copyrights on the build system files by putting them in the public
domain with the CC0-1.0 license.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Naushir Patuck <naush@raspberrypi.com>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Acked-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Acked-by: Paul Elder <paul.elder@ideasonboard.com>
Acked-by: Show Liu <show.liu@linaro.org>
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Commit 7206035ee609 ("libcamera: Regenerate IPA module signatures at
install time") replaced installation of the IPA module signatures with
an install script that signs all modules. While doing so, it
inadvertently also disabled generation of the signature at build time by
default. This breaks running libcamera binaries from the build
directory. Fix it.
Fixes: 7206035ee609 ("libcamera: Regenerate IPA module signatures at install time")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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When the IPA modules are installed, meson strips the DT_RPATH and
DT_RUNPATH from the binaries. This invalidates the signatures. Disable
installation of the .sign files and add an installation script to
regenerate them directly in the target directory. The .sign files still
need to be created at build time to support running IPA modules from the
build tree.
Two alternative approaches have been considered:
- meson could be taught a new target argument to preserve binary
compatibility by skipping any operation that modifies files. This has
been proposed in the #mesonbuild IRC channel. While this could be
interesting in the longer term, we need to fix the issue now.
- The module signatures could be computed on selected sections only.
While skipping the .dynamic section when signing may not cause
security issues, it would make signature generation and verification
more complex, and wasn't deemed worth it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The IPA module signing mechanism relies on openssl to generate keys and
sign the module. If openssl is not found on the system, the build will
fail. Make the dependency optional by detecting openssl, and skip
generation of signatures if openssl isn't found.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add infrastructure to generate an RSA private key and sign IPA modules.
The signatures are stored in separate files with a .sign suffix.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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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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