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The V4L2 adaptation layer can already support streaming with components
such as OpenCV, however it is not accepting, or handling any requests to
configure the frame rate.
In V4L2 the frame rate is set by configuring the timeperframe component
of the v4l2_streamparm structure through the VIDIOC_S_PARM ioctl.
Extend the V4L2 compatibility layer to accept the VIDIOC_S_PARM ioctls
and provide an interface for setting controls on the V4L2Camera class to
set the requested rate when starting the camera.
Signed-off-by: Nejc Galof <galof.nejc@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
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When a user is taking control of exposure and gain, setting them
manually, we set the AGC "stable region" to zero. This means that any
user changes, however small, will be applied, and they won't be
regarded as "too small to bother with".
Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Error handling in the PipelineHandlerRkISP1::start() function is
cumbersome. Simplify it using the utils::ScopeExitActions class.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Xavier Roumegue <xavier.roumegue@oss.nxp.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
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The ScopeExitActions class is a simple object that performs
user-provided actions upon destruction. It is meant to simplify cleanup
tasks in error handling paths.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Xavier Roumegue <xavier.roumegue@oss.nxp.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
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The issues detected and fixed by autopep8 are the same as the ones
detected by pycodestyle. As the formatter runs unconditionally we can
remove the checker.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Reporting style issues on python files is great, automatically fixing
them is even better. Add a call to autopep8 for python files. This fixes
the same issues as the ones reported by pycodestyle.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The ipa_interface.h file includes a number of headers that are not
directly used. Remove them, and add them to the source files that
include ipa_interface.h as required.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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Depending on the types used in the IPA interface, generated headers may
use the std::string class. Include <string> when needed.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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The LSP autoformatter doesn't like some of the current formatting, let's
make it happier. Note that not all of its suggestions were accepted
because readability is preferred and adjusting .clang-format may not be
easy or possible.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The includes that are not used can be removed.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Let's add direct includes for classes currently included indirectly,
through other header files.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The LSP autoformatter doesn't like some of the current formatting, let's
make it happier. Note that not all of its suggestions were accepted
because readability is preferred and adjusting .clang-format may not be
easy or possible.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Let's add direct includes for classes currently included indirectly,
through other header files.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The includes that are not used can be removed. Additionally, add some
directly used includes not listed.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The includes that are not used can be removed.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Use the direct include of V4L2PixelFormat.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Put the inclusion of geometry.h to the right place.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The includes that are not used can be removed. Also, some directly used
includes not listed are added.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The includes that are not used can be removed and there are also
directly used includes not listed. Let's fix both.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The includes that are not used can be removed. And two identified
missing includes (directly used but available only through other
includes) are added.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The LSP autoformatter doesn't like some of the current formatting, let's
make it happier. Note that not all of its suggestions were accepted
because readability is preferred and adjusting .clang-format may not be
easy or possible.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The includes that are not used can be removed.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The LSP autoformatter doesn't like some of the current formatting, let's
make it happier. Note that not all of its suggestions were accepted
because readability is preferred and adjusting .clang-format may not be
easy or possible.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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v4l2_videodevice.h is not used but logging is imported through it.
Remove the unused include and include log.h instead.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The includes that are not used can be removed.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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generated_serializer_test.cpp uses iostream without including it,
relying on imports from another included header. Let's include iostream
there.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The uvcvideo pipeline handler always keeps the uvcvideo /dev/video# node
for a pipeline open after enumerating the camera.
This is a problem for uvcvideo, as keeping the /dev/video# node open
stops the underlying USB device and the USB bus controller from being
able to enter runtime-suspend causing significant unnecessary
power-usage.
Implement acquireDevice() + releaseDevice(), openening /dev/video# on
acquire and closing it on release to fix this.
And make validate do a local video_->open() + close() around validate()
when not open yet, to keep validate() working on unacquired cameras.
Bug: https://bugs.libcamera.org/show_bug.cgi?id=168
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The uvcvideo driver needs to open / close its /dev/video# node from
pipe_->acquireDevices() / pipe_->releaseDevices().
V4L2VideoDevice::open() creates an EventNotifier and this notifier needs
to be created from the CameraManager thread.
Use invokeMethod() for pipe_->acquire() and pipe_->release() so that the
EventNotifiers are created from the CameraManager thread context.
Running pipe_->acquire() and pipe_->release() from the CameraManager
thread context serializes all calls to them. Drop PipelineHandler::lock_
this now is no longer necessary and update the "\context" part of the
documentation for acquire[Device]() and release[Device]() to match.
Note the delayed opening of /dev/video# is a special case because the
kernel uvcvideo driver powers on the USB device as soon as /dev/video#
is opened. This behavior should *not* be copied by other pipeline
handlers.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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libcamera always keeps all /dev/video# and /dev/v4l2_subdev# nodes for a
pipeline open after enumerating the camera.
This is a problem for the uvcvideo pipeline handler. Keeping /dev/video#
open stops the UVC USB device from being able to enter runtime-suspend
causing significant unnecessary power-usage.
Add a stub acquireDevice() function to the PipelineHandler class which
pipeline handlers can override.
The uvcvideo pipeline handler will use this to delay opening /dev/video#
until the device is acquired. This is a special case because the kernel
uvcvideo driver powers on the USB device as soon as /dev/video# is
opened. This behavior should *not* be copied by other pipeline handlers.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Harvey Yang <chenghaoyang@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Extend the RkISP1 BLC algorithm to use the ISP 'companding' block for
versions of the ISP (such as the one on the i.MX8MP) that lack the
dedicated BLS block but implement BLS as part of the companding block.
As access to the companding block requires the extensible parameters
format, disable BLC when using the legacy parameters format on i.MX8MP
to avoid crashes at runtime with older kernels.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
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Add a compand feature flag to the hardware settings section of the IPA
context, so that we can act accordingly for black level subtraction, and
to pave the way to skipping companding appropriately when support for it
is added.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
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Extend the RkISP1 parameters helper with support for the new companding
blocks.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Now that the IPA module supports the extensible parameters format,
switch to it when available. If the kernel driver doesn't support the
new format, setFormat() will adjust paramFormat to the legacy format,
which will be passed to the IPA module, preserving backward
compatibility.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Use the new ISP parameters abstraction class RkISP1Params to access the
ISP parameters in the IPA algorithms. The class replaces the pointer to
the rkisp1_params_cfg structure passed to the algorithms' prepare()
function, and is used to access individual parameters blocks.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
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Individual algorithms of the rkisp1 IPA module access their
corresponding ISP parameters through the top-level structure
rkisp1_params_cfg. This will not work anymore with the new parameters
format. In order to ease the transition to the new format, abstract the
ISP parameters in a new RkISP1Params class that offers the same
interface regardless of the format.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
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The ISP parameters buffer currently has a fixed payload size, which is
hardcoded in the pipeline handler. To prepare for support of the
extensible parameters format that has a variable payload size, pass the
size from the IPA module to the pipeline handler explicitly. Keep the
size hardcoded to sizeof(struct rkisp1_params_cfg) for now, this will be
udpated later.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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The rkisp1 driver supports two formats for the ISP parameters buffer,
the legacy fixed format and the new extensible format. In preparation of
support for the new format, pass the parameters buffer format from the
pipeline handler to the IPA module and store it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Update the kernel headers with the definitions for the rkisp1 extensible
parameters format.
The headers have been generated from the most recent linux-media stage
tree master branch, at commit a043ea54bbb9 ("Merge tag
'next-media-rkisp1-20240814' of
git://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux.git").
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Paul Elder <paul.elder@ideasonboard.com>
Acked-by: Stefan Klug <stefan.klug@ideasonboard.com>
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When given a relative path to the kernel git tree,
update-kernel-headers.sh fails to execute the headers_install.sh script
from the kernel sources. Fix it by turning the kernel directory into an
absolute path.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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The links on the API reference mainpage to guides within the main
libcamera documentation work built locally, but not through the
website. As the website's more important make them work with the
website paths as a temporary solution until a better one is devised.
Fixes: e93886178106 ("Documentation: Improve doxygen main page")
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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With the removal of guides/introduction.rst the link on the API
reference landing page no longer works. Point it to the documents
introduction page instead.
Fixes: 860a3e30319c ("Documentation: Rework docs.rst into introduction.rst")
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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EV = [-2, -1, 0.5, 0, 0.5, 1, 2]
should change to
EV = [-2, -1, -0.5, 0, 0.5, 1, 2]
Signed-off-by: Fang Hui <hui.fang@nxp.com>
Reviewed-by: Harvey Yang <chenghaoyang@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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It is better / more logical to call releaseDevice() before unlocking the
devices. At the moment the only pipeline handler implementing
releaseDevice() is the rpi pipeline handler which releases buffers from
its releaseDevice() implementation.
Releasing buffers before unlocking the media devices is ok to do
and arguably it is better to release the buffers before unlocking.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Harvey Yang <chenghaoyang@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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PipelineHandler::acquire() only locks the media devices when the first
camera is acquired. If a second camera of a pipeline is acquired only
useCount_ is increased and nothing else is done.
When releasing cameras PipelineHandler::release() should only unlock
the media devices when the last camera is released. But the old code
unlocked on every release().
Fix PipelineHandler::release() to only release the media devices when
the last camera is released.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Harvey Yang <chenghaoyang@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The introduction.rst file contains the introduction to the libcamera
documentation. Rename the section from "Documentation" to
"Introduction".
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
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The local table of contents from the introduction page doesn't provide
much navigation value as the page is short. It also stands out, as no
other page has a local table of contents. Drop it, we will reintroduce
local tables of contents more globally if needed later.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
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"API" as a section name is as informative as it is long, that is to say,
not very. Rename it to "API Reference" for improved clarity.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
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Now that documentation_contents.rst serves as a navbar for the docs
pages on the website, reformat it to present the links in a more
logical order. The list is split into three sections for Users,
Developers and System Integrators, with a slight break between
each section and a header above the links.
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Mimicking the existing api-html placeholder, add a placeholder for the
internal version of the Doxygen generated API documentation so that the
website can generate hyperlinks to it properly.
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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index.rst is the page that becomes index.html, but currently just has
some blurb. Although this page will only be seen if viewing the docs
as built from the libcamera tree it'd be better if it were more of an
introductory page. Include the content of docs.rst to improve it. As
we're no longer including the content from README.rst the labels that
enabled that can be dropped.
With this change whether viewing the documentation as built in the
libcamera tree or on the Docs page of the website, the landing content
will be the same.
The CSS for the documentation's theme currently hides the toctree from
the generated body in html, as it's already displayed on every page via
the theme's CSS. This change reorders the page such that the CSS that
hides the toctree no longer works - update the CSS to retain the
current behaviour.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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