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Handle the results returned from the autofocus algorithm by updating lens
actuator position to the desired value. Update the Request metadata with the
algorithm status to provide back to the application.
Signed-off-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add handlers for all autofocus related libcamera controls. Translate these
controls to the RPiController autofocus algorithm API.
Signed-off-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add all the autofocus controls handled by the IPA into the ControlInfoMap if
a controllable lens actuator is present.
Signed-off-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Reorder the libcamera/request header file inclusion to match the libcamera
guidelines.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add a new AfAlgorithm class that defines the interface for the Raspberry Pi
autofocus algorithm.
Add an AfStatus structure that returns the results of the autofocus algorithm
back to the IPA.
Add a structure for PDAF statistics provided by supported sensors for use with
an autofocus algorithm. This structure is currently based on the IMX708's PDAF
"Type 1" statistics.
Signed-off-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add a setLensControls() function to the IPA/pipeline handler interface. This
will be used in a future commit to control the lens actuator position from an
autofocus algorithm.
Signed-off-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Pass the available lens controls to the IPA through the configure() function.
Validate that the V4L2_CID_FOCUS_ABSOLUTE does exist. If it doesn't, log a
warning message, and do not advertise focus related controls from the IPA.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Replace the legacy entityControls map passed into ipa::configure() with explicit
fields for sensor and ISP controls. This removes any ambiguity over which set of
controls corresponds with specific integer keys.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Remove the streamConfig parameter from the ipa::configure() call, it is never
used.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Check if a lens actuator is available by the presense of the lens driver entity
in the pipeline handler. Pass this result to the IPA on init.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Previously the x,y offsets in the min/max ScalerCrop control values
were zero. Here we make them the same as the sensor's analogue crop
offset which is I think less misleading.
With this change, it also seems reasonable to advertise the default
scaler crop value to be the true default that you will get. This makes
it possible for applications to see what that value will be without
having to start the camera and wait for frames.
Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add support for Transform to the RkISP1 pipeline handler.
The pipeline rotates using the sensor's V/H flips, hence use the
CameraSensor helpers to handle transformation requests from
applications.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Augment the CameraSensor::setFormat() function to configure horizontal
and vertical flips before applying the image format on the sensor.
Applying flips before format is crucial as they might change the Bayer
pattern ordering.
To allow users of the CameraSensor class to specify a Transform,
add to the V4L2SubdeviceFormat class a 'transform' member, by
default initialized to Transform::Identity.
Moving the handling of H/V flips to the CameraSensor class allows to
remove quite some boilerplate code from the IPU3 and RaspberryPi
pipeline handlers.
No functional changes intended.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
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The two pipeline handlers that currently support Transform (IPU3 and
RaspberryPi) implement it by operating H/V flips on the image sensor.
Centralize the code that validates a Transform request against the
sensor rotation capabilities in the CameraSensor class.
The implementation in the IPU3 pipeline handler was copied from the
RaspberryPi implementation, and is now centralized in CameraSensor to
make it easier for other platforms.
The CameraSensor::validateTransform() implementation comes directly from
the RaspberryPi pipeline handler, no functional changes intended.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
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During the camera sensor driver validation, verify if the sensor
supports horizontal and vertical flips and store a flag as
CameraSensor::supportFlips_ class member.
The flag will be later inspected when applying flips.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
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Support for the OmniVision OV8858 sensor is scheduled for inclusion in
the Linux kernel in version v6.3.
Add support for the sensor in libcamera by providing static properties
and a camera sensor helper in libipa.
The camera sensor helper expresses analogue gain increments in 1/128
step which differs from what is reported in the sensor documentation in
section "5.8 manual exposure compensation/ manual gain compensation" [0]
A more detailed analysis of the sensor gain model is reported at:
https://patchwork.linuxtv.org/project/linux-media/patch/20221106171129.166892-2-nicholas@rothemail.net/#142267
Record with a \todo note a reference to discussion on the gain model
implementation.
Signed-off-by: Nicholas Roth <nicholas@rothemail.net>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Omnivision OV4689 sensor driver exposes maximum analogue gain of
16x. Raise kMaxAnalogueGain to 16.0, so that the full gain range can
be used.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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Add a minimal tuning file for Omnivision OV4689, specifying black
level subtraction level.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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Add an entry to the sensor properties for Omnivision OV4689.
Kernel supports two more types of color bars patterns, which we do not
expose now.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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Add support for Omnivision OV4689 image sensor to libipa.
The sensor implements a linear gain equation with analogue gain
control values 0-2047 corresponding to 0x-16x physical gain range.
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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The intention is that the "main" colour space is the colour space of
the largest non-raw stream. Unfortunately the use of "config_[i].size"
is clearly incorrect, and has been copied from prior versions of the
code. This patch corrects the error.
Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
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When an IPA module is loaded, the loadIPAModuleInfo() function validates
the ipaModuleInfo structure. As part of that process, it checks that the
ipaModuleInfo symbol size matches the expected structure size. This
check breaks with clang and ASan, as the LLVM's address sanitizer
implementation includes the redzone after the structure in the symbol
size, currently growing it by 156 bytes (on x86-64). This causes all IPA
modules to fail to load.
Fix the problem by relaxing the size check to only ensure that the
symbol is large enough to contain the structure.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Currently, if there are multiple streams, the --metadata flag will print
the metadata for each request multiple times.
Moving the metadata print logic outside the stream for loop this will no
longer occur.
Signed-off-by: Daniel Oakley <daniel.oakley@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Comply with a checkstyle suggestion and separate inclusion directives.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The current documentation of the BayerFormat::transform() function
reports examples on the Bayer components ordering transformation for
horizontal flip (mirroring) but not for vertical flip or for the
combination of the two.
It is useful to complete the documentation to ease understanding of the
transform() function on a sensor's Bayer pattern.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Not all C libraries include support for locale objects (locale_t) and
the strto*_l() family of functions. A notable example is uClibc that can
be compiled with a hardcoded "C" locale. Compilation then fails as the
newlocale(), freelocale() and strtod_l() functions are not defined.
Fix the compilation breakage by checking for the availability of the
locale_t type, and fall back to strtod() when the type isn't available.
This may not lead to the correct result if support for locale objects
isn't available and the locale isn't hardcoded to "C", but that is such
a corner case that we will likely never encounter it.
Fixes: e8ae254970cf ("libcamera: yaml_parser: Use C locale")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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The strtod() function is locale-dependent, and thus ill-suited to parse
numbers coming from, for instance, YAML files. The YamlObject class uses
strtod_l() to fix that issue, but that function is not available with
all libc implementations. Correctly handling this problem is becoming
out of scope for the YamlObject class.
As a first step, add a strtod() helper function in the utils namespace
that copies the implementation from YamlObject, and use it in
YamlObject. The core issue will then be fixed in utils::strtod().
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Fixes build failure on some build environments.
Signed-off-by: Matti Lehtimäki <matti.lehtimaki@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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When parsing configuration files on systems with differing locales, the
use of strtod can produce different results, or in the worst case - fail
to parse expected values.
Fix this by using strtod_l() instead. To avoid constructing and
destructing a locale_t instance for every use of strtod_l(), create an
RAII class that wraps the locale_t and use it to provide a global "C"
locale.
Bug: https://bugs.libcamera.org/show_bug.cgi?id=174
Bug: https://github.com/raspberrypi/libcamera/issues/29
Reported-by: https://github.com/kralo
Reported-by: Hannes Winkler <hanneswinkler2000@web.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The raw pixel format in form of the fourcc integer is not easily readable.
Use the string representation instead for easier debugging.
Signed-off-by: Christian Rauch <Rauch.Christian@gmx.de>
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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Bayer8 support is useful on hardware such as Librem 5, as GStreamer
provides easy solution for debayering and display of the camera
data. Add necessary glue to libcamerasrc element.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Fix various typos in the code base.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The imx477_scientific.json file was added to the source tree with
incorrect executable permission. Fix it.
Fixes: bf66a1d25162 ("ipa: raspberrypi: Add a "scientific" tuning for the IMX477")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add an entry to the sensor properties for OnSemi AR0521.
The chip manual list one additional test pattern "PN9 Link integrity
test pattern" not supported by the mainline Linux driver.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add support for OnSemi AR0521 5Mpx image sensor to libipa.
The sensor analogue gain is implemented as a coarse and a fine factor,
with the coarse gain being a power of two and the fine gain being a
value in the [1.0, 2.0[ range. The mapping between gain codes and gain
values is tabulated in the datasheet, and the table values are very
close but not identical to the mathematical model. Compute the gain
using the model to keep the code shorter, if this causes precision
issues the calculation could be replaced with a table.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The python bindings are missing the ability to read the sequence number
of the Request object from the public API.
Expose the objects sequence number on the pybind11 surfaces to support
applications reading this value.
Signed-off-by: Matthew Goodman <matt@exclosure.io>
[Kieran: Revised commit message]
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add a tuning file for the IMX477 more suited to scientific applications.
The key differences from the original tuning file are:
- Disable ALSC block completely
- Pure rec709 gamma curve, and no contrast enhance
- New CT curve and CCMs based on the illumination spectrum of a black body
radiator up to about 3600 K and the CIE illuminant D for higher color
temperatures.
Further details on the changes can be found at:
https://forums.raspberrypi.com/viewtopic.php?t=343449
All credit for these changes go to Dr. Rolf Henkel.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Signed-off-by: Rolf Henkel <cpixip@pixelcircus.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The dlopen() & co. functions are provided by libdl on some systems, and
but the C library on others. Starting from version 0.62.0, meson handles
this behind the scenes when using dependency('dl'). Add a todo comment
to remember we should replace the manual implementation with a
dependency() call when updating to meson 0.62.0 or newer.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Move the simple converter implementation to a generic V4L2 M2M class
derived from the converter interface. This latter could be used by
other pipeline implementations and as base class for customized V4L2 M2M
converters.
Signed-off-by: Xavier Roumegue <xavier.roumegue@oss.nxp.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Declare a converter Abstract Base Class intended to provide generic
interfaces to hardware offering size and format conversion services on
streams. This is mainly based on the public interfaces of the current
converter class implementation found in the simple pipeline handler.
The main change is the introduction of loadConfiguration() function
which can be used by the concrete implementation to load hardware
specific runtime parameters defined by the application.
Signed-off-by: Xavier Roumegue <xavier.roumegue@oss.nxp.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The IMX519 driver reports ColorBars and ColorBarsFadeToGray but upon
inspecting the test pattern modes via v4l2-ctl utility, these test
patterns do not comply with MIPI CCS v1.1 (Section 10.1).
Hence, omit from camera-sensor-properties database for now and add a
comment for the same.
Fixes: e3b26b4c4eb2 ("libcamera: camera_sensor: Add IMX519 sensor properties")
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add an entry for Arducam IMX519 sensor which has 1220x1220 pixel size
and supports four test pattern modes.
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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To make things easier for consumers.
Related: https://gitlab.freedesktop.org/pipewire/pipewire/-/merge_requests/1450
Signed-off-by: Robert Mader <robert.mader@collabora.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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In the simple capture tests, in the capture functions, the Requests were
auto-deallocated by the function going out of scope after the test
completed. However, before the end of the scope, the Framebuffers that
the Requests referred to were manually freed. Thus when the Requests
were deallocated, they tried to cancel their Framebuffers, which involve
setting the status to cancelled, which obviously causes a segfault
because the Framebuffers had already been freed.
Fix this by moving the list of Requests to a member variable and
deallocating them before deallocating the Framebuffers at stop() time.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The Python bindings will now accept, or return, a list or tuple of
libcamera.Rectangle objects for such controls.
This had previously been omitted, but now we have, for example, the
AfWindows control which requires this feature.
Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The units for the LensPosition control, previously defined as being in
units of 1 / hyperfocal_distance, are changed to 1 / distance (in
metres).
Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add whitespace to correct the error message.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
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The latest camera modules have a very slightly different IR filter, so
the tuning file is slightly revised to give best results with both old
and new camera modules.
The original tuning file is retained as imx477_v1.json in case anyone
should wish to continue using it.
Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Fix a bug in the IPA frame dropping (for rate control) logic, where the
metadata for the current context was copied from itself (i.e. a no-op), instead
of being copied from the previous context.
This bug does not occur in normal conditions, only when running with a low
exposure time and unconstrained framerate, which happens in a particular
picamera2 test.
Fixes: 546154b13433 ("pipeline: ipa: raspberrypi: Use IPA cookies")
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The digital gain calculation uses a total exposure value computed with the
current AGC state. However, this is wrong in the case of manual shutter/gain
controls, as the total exposure value used must be the value computed when the
AGC sent the manual shutter/gain controls to the pipeline handler to action.
To fix this, the IPA now adds the historical AgcStatus structure to the metadata
(tagged with "agc.delayed_status"). This historical AgcStatus structure contains
the total exposure value calculated when the AGC sent the manual shutter/gain
controls to the pipeline handler.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Tested-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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