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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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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 control descriptions from YAML files are extracted to generate
Doxygen documentation blocks for the controls, which are then compiled
to HTML. The extraction script uses the first line of the description
as the Doxygen \brief, and preserves blank lines to keep paragraphs.
The control descriptions in the YAML files have however not all been
written with this in mind. Many description elements are not formatted
as block string scalars, in the first place, so blank lines are lost
when parsing YAML. Furthermore, they often start with a long initial
paragraph, making the \brief description very long.
Improve the documentation formatting by marking all multiline
descriptions as block string scalars, and try to provide a short
one-line first paragraph to be used as a \brief. While at it, reflow the
documentation to the 80 columns limit.
The draft controls are left as-is, as they should evolve to non-draft
controls eventually (and ideally sooner than later).
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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Jinja2 templates help separate the logic related to the template from
the generation of the data. The python code becomes much clearer as a
result.
As an added bonus, we can use a single template file for both controls
and properties.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Paul Elder <paul.elder@ideasonboard.com>
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Replace manual extraction of data from YAML with the Control helper
class. This centralizes YAML parsing and avoids manual mistakes.
In order to import the controls module, add the utils/codegen/ directory
to the PYTHONPATH through the Python build environment.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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The ControlEnum and Control helper classes defined in gen-controls.py
are useful for other generator scripts. Move them to a separate file to
make it possible to share them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
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Jinja2 templates help separate the logic related to the template from
the generation of the data. The python code becomes much clearer as a
result.
As an added bonus, we can use a single template file for both controls
and properties.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Python scripts run as part of the build process need to take a few
actions specific to the environment in which they operate. One of those
is disabling the Python bytecode cache, to avoid writing .pyc files to
the source tree. This is done manually in the IPC generate.py and
parser.py scripts.
The current implementation is not ideal because it hardcodes in the
scripts information related to the environment in which they operate. As
those scripts are part of libcamera this is more of a theoretical issue
than a practical one. A second issue is that future Python scripts will
need to duplicate similar mechanisms, resulting in a higher maintenance
burden.
Address the issue with a different approach, by creating a meson
environment for the Python scripts, and passing it to the
custom_target() functions. The environment only disables the bytecode
cache for now.
The diffstat shows an increase in code size. This is expected to be
offset by usage of the environment for more Python scripts, as well as
support of more variables in the environment.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Commit 829acb3ab0b1 ("libcamera: Drop file name from header comment
blocks in templates") dropped file names from header comment blocks in
templates, but forgot the control and property .cpp templates. Fix it.
Fixes: 829acb3ab0b1 ("libcamera: Drop file name from header comment blocks in templates")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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The header for controls and properties are generated from the
control_ids.h.in and property_ids.h.in templates respectively, and the
generated files are named control_ids.h and property_ids.h.
For sources, the templates are named control_ids.cpp.in and
property_ids.cpp.in, but the output files are named controls_ids.cpp and
properties_ids.cpp. This discrepancy causes confusion. Fix it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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When generating control headers, the YAML files to be used are
determined dynamically based on the selected pipeline handlers. As part
of this process, the build system populates an array of meson File
objects used as an input for the control headers generation custom
target, as well as an array of file names (as strings). The file names
array is later used to generate the control source files for the
libcamera core, as well as the source code for controls support in the
Python bindings.
Both of the source code generators manually turn the array of file names
into File objects. This duplicates code and reduces readability. A third
similar implementation has also been proposed to generate control
support sources in the GStreamer element, making the issue worse.
To simplify this, store File objects instead of file names in the
controls_files array. As the meson configuration summary doesn't support
File objects, create a separate controls_files_names to store the file
names for that sole purpose.
The exact same process occurs for properties, address them the same way.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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The Camera::create() function is internal. Hide it from the public API
documentation.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
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The API reference pages generated by Doxygen are comprehensive, but
therefore quite overwhelming for application developers who will
likely never need to use the majority of the library's objects. To
reduce the complexity of the documentation, split it into two runs of
doxygen.
The first run of doxygen is for the public API. We pass a specific list
of source files to parse, which is built from the arrays of public
headers and sources in meson build files. This ensures that we only
generate the documentation for code from those files.
A custom Python script is needed to add the list of input files to
Doxyfile, as several of the objects included in the header and source
array are custom_tgt objects, which can't be handled as strings to
populate a variable in the configuration data.
The headers defining the Extensible and Object classes (class.h and
object.h respectively), as well as the corresponding source files, are
excluded from the public API documentation despite being referenced in
the meson public headers and sources arrays. This is due to the fact
that public API classes inherit from Extensible and Object, making the
Extensible and Object classes part of the public ABI. Those two base
classes are however implementation details and must not be accessed
directly by application code.
The second run of doxygen is for the internal API. This contains
documentation for all of the library's objects as it currently does.
This set will now be output into build/Documentation/internal-api-html.
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Co-developed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
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Move the section of the Thread support page dealing with thread safety
to a dedicated .dox file at Documentation/. This is done to support the
splitting of the Documentation into a public and internal version. With
a separate page, references can be made to thread safety without having
to include the Thread class in the doxygen run. Some sections of the new
page are still specific to internal implementations and so are hidden
with the \internal flag and an internal section which is conditionally
included. For now, hardcode it to be included in the Doxyfile.
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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Qt5 is now end of life. The libcamera 'qcam' application has removed
support for Qt5, and updated to Qt6.
Update the python 'cam' application accordingly to Qt6.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Rectify incorrect phrase in the sentence -- s/their share/they share/.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The constructor reference was missing, causing the constructor
documentation to appear in blackLevel() documentation.
Signed-off-by: Milan Zamazal <mzamazal@redhat.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 support for a 12-bit Mono format named formats::R12_CSI2P.
This format is added to support the IMX585 mono sensor, which uses the
MEDIA_BUS_FMT_Y12_1X12 media bus format.
Signed-off-by: will whang <will@willwhang.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
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The libcamera coding style groups the C and C++ standard library headers
in a single group. Fix the few offenders in the source tree.
While at it, add a missing blank line between header groups in a
separate location.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
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The udev_monitor_receive_device() can return NULL on an error as
detailed in the man pages for the function.
The udevNotify() handler in the DeviceEnumeratorUdev directly uses the
return value of udev_monitor_receive_device() in successive calls to
process the event without having first checked the udev_device.
Ensure we identify, and handle events where the udev_device can not be
returned successfully.
Bug: https://bugs.libcamera.org/show_bug.cgi?id=230
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The IPAManager class implements a singleton pattern due to the need of
accessing the instance in a static member function. The function now
takes a pointer to a PipelineHandler, which we can use to access the
CameraManager, and from there, the IPAManager.
Add accessors to the internal API to expose the CameraManager from the
PipelineHandler, and the IPAManager from the CameraManager. This
requires allocating the IPAManager dynamically to avoid a loop in
includes. Use those accessors to replace the IPAManager singleton.
Update the IPA interface unit test to instantiate a CameraManager
instead of an IPAManager and ProcessManager, to reflect the new way that
the IPAManager is accessed.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Signed-off-by: Jaslo Ziska <jaslo@ziska.de>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Now that libcamera_internal_sources is separate from
libcamera_internal_headers, perform the same split for
libcamera_public_sources and libcamera_public_headers to ensure
consistency of the build system variables.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The libcamera_tracepoint_header variable stores the tracepoints.h header
custom target, for the sole purpose of being listed as a source of the
libcamera shared library, through the libcamera_internal_sources
variable.
Add the tracepoints.h header to libcamera_internal_headers instead of
libcamera_internal_sources, and list libcamera_internal_headers as a
source of the shared library, alongside libcamera_internal_sources. This
makes libcamera_internal_sources contain sources only, improving clarity
of the build system variables.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The IPA headers are listed in two different meson variables, one for
generated headers, and one for the other headers. There's no real reason
for this split, consolidate all of them in the libcamera_ipa_headers
variable.
While at it, don't add the IPA headers to the libcamera_internal_sources
variable, but list libcamera_ipa_headers in the sources for the shared
library. This moves the libcamera_internal_sources variable towards
holding source files, not header files, to improve clarity of the build
system.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The IPA headers are listed in the libcamera_public and libcamera_private
dependency objects, with the generated headers part of the private
dependency object and the non-generated headers part of the public
dependency object. As neither set of IPA headers are part of the public
API, list them both in the libcamera_private dependency object.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The libcamera_generated_ipa_headers variable, containing the list of
generated IPA headers, is listed in the sources of IPA modules, as well
as IPA tests. This was done to ensure that the modules and tests get
rebuilt when the generate IPA headers change. However, the dependency is
already handled through the libcamera_private dependency object,
specified for all those modules and tests. There's no need to list the
IPA generated headers as sources. Drop them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Meson array variables hold lists of libcamera's source files. To help
facilitate the splitting of Doxygen generated documentation into
distinct public and internal versions, split those arrays to separate
public and internal variables.
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Co-developed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The *::Private classes are part of the internal API, as their name
implies. They are defined in internal headers, but implemented in the
same source file as their public counterparts. This will cause Doxygen
to complain about missing class definition when splitting the public and
internal API documents, as the internal headers won't be parsed by
Doxygen for the public API documentation.
Marking the classes with \internal isn't enough. The directive prevents
the documentation block from being included in the output, but this
occurs at the generation stage, after the documentation blocks are
parsed. Fix this by completely hidding the implementation of the
*::Private classes from Doxygen using preprocessor conditional
compilation. To do so, introduce a new macro, __DOXYGEN_PUBLIC__, that
will be defined for the public API documentation only.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The libcamera public API exposes classes that have parts considered
internal. They inherit the Extensible class, and their internal parts
are split into a Private class. Those classes are defined in public API
headers, and their Private counterparts are defined in internal headers
sharing a common file name (in a different directory). Both headers are
documented in the same source file.
For instance, include/libcamera/camera.h contains the public API of the
Camera class, and include/libcamera/internal/camera.h its internal
counterpart. Both are documented in src/libcamera/camera.cpp.
As the internal headers are not part of the public API, they need to be
hidden from the future public API builds. To prepare for doing so, mark
them with the \internal Doxygen directive. Hardcode the Doxygen
INTERNAL_DOCS option to YES to include the internal API. This will be
changed later for the public API documentation build.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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libcamera has two formats.h headers, an internal one in
include/libcamera/internal/, and a public one generated at build time.
The convention is to prefix the internal header name with
libcamera/internal/ in the Doxygen file directive, but formats.cpp only
uses internal/ as a prefix. Unify it with the rest of the code base.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Two classes that have both public and internal headers, namely Camera
and Request, make only their public header visible to Doxygen through a
file directive. Fix them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The Doxygen directive only requires qualifying header file names with a
path to differentiate between multiple header files with the same name.
Most file directives that refer to unambiguous files do not have a
libcamera/ and/or internal/ path prefix, but a few do, most likely due
to copy&paste. Drop the prefix in those few files for consistency.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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libcamera is implemented in C++, use std::vector<> to manage the
dynamically allocated line buffers instead of malloc() and free(). This
simplifies the code and improves memory safety by ensuring no allocation
will be leaked.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
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The documentation for the blackLevel_ member is very terse. Reference
the more complete documentation of the sibling blackLevel() member
function to provide more information.
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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Spaces at end of lines have cropped up in a few places in libcamera.
Remove them.
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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When the configuration file for an IPA module is missing, it is reported
as an error in the log, for example:
ERROR IPAProxy ipa_proxy.cpp:149 Configuration file 'imx219.yaml' not found for IPA module 'simple'
This is misleading because several pipelines use uncalibrated.yaml in
such a case and can continue working. And in case of software ISP,
there is currently no other configuration file so the error is always
reported.
On the other hand, in some other cases the presence of the configuration
file is required and it is an error if it is missing.
Let's introduce a new optional argument to IPAProxy::configurationFile
that specifies a fallback file if the requested file is not found. If
the primary requested file is not found and a non-empty fallback file is
specified then a warning is logged and the fallback file is looked up.
If neither the fallback file can be found then only then an error is
logged and the method returns an empty string. This change has also the
benefit of putting the common fallback file ("uncalibrated.yaml")
pattern to a single place.
Signed-off-by: Milan Zamazal <mzamazal@redhat.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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SimplePipelineHandler::match may be called several times for different
pipeline configurations. Not all of these calls must succeed. For
example, for TI AM69 board with a single camera attached, the following
error is reported in the log even when libcamera works fine:
ERROR SimplePipeline simple.cpp:1558 No sensor found
This is because a sensor is found for /dev/media0 but not for
/dev/media1. The error is harmless in such a case and only confuses
users who may think no camera is detected at all. Let's change the
error to info and add the device node to the message to indicate the
error is specific to the given media only. It's up to the callers to
report a fatal error condition if libcamera cannot work due to no
matching pipeline configuration.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-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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The file seal TODO item has been addressed. Remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Tested-by: Milan Zamazal <mzamazal@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
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The memfd underlying the SharedMem object must not shrink, or memory
corruption will happen. Prevent this by setting the shrink seal on the
file. As there's no valid use case for growing the memory either, set
the grow seal as well.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Tested-by: Milan Zamazal <mzamazal@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
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