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We build libcamera with -Wno-unused-parameter and this doesn't cause
much issue internally. However, it prevents catching unused parameters
in inline functions defined in public headers. This can lead to
compilation warnings for applications compiled without
-Wno-unused-parameter.
To catch those issues, remove -Wno-unused-parameter and fix all the
related warnings with [[maybe_unused]].
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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In C++, unlike in C, a function that takes no argument doesn't need to
specify void in the arguments list. Drop the unnecessary specifiers.
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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Extend the support for camera hotplug from libcamera's CameraManager
to CameraHalManager. Use camera module callbacks to let the framework
know about the hotplug events and change the status of cameras being
hotplugged or unplugged via camera_device_status_change().
Introduce a map cameraIdsMap_ which book-keeps all cameras seen in the
past by the CameraHalManager. If the camera is seen for the first time,
a new id is assigned to it. If the camera has been seen before by the
manager, its old id is reused. IDs for internal cameras start with
'0' and for external cameras, they start with '1000'. Accesses to
cameraIdsMap_ and cameras_ are protected by a mutex.
Signed-off-by: Umang Jain <email@uajain.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add a public member function to get the libcamera::Camera pointer
associated with the CameraDevice. This will help to find the CameraDevice
object in CameraHalManager when the hotplug support is extended in the
Android layer.
Signed-off-by: Umang Jain <email@uajain.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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CameraDevice needs to be wrapper into the std::shared_ptr instead
of std::unique_ptr to enable refcounting. The refcounting will help
us to support hotplug and hot-unplug CameraHalManager operations
in the subsequent commit.
Signed-off-by: Umang Jain <email@uajain.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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camera_module_callbacks are invoked to inform the framework about
the events occurring module-wide. Allow to set these callbacks in
camera_hal_manager as this will be used to integration camera hotplug
support via camera_module_callbacks::camera_device_status_change in
subsequent commit.
Signed-off-by: Umang Jain <email@uajain.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Declare a using directive for the map of Stream to FrameBuffer. Update
all users of Request::buffers() to use the new usage directive.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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MJPEG streams must be created referencing a libcamera stream.
This stream may already be provided by the request configuration,
in which case the existing stream is utilised.
If no compatible stream is available to encode, a new stream is requested
from the libcamera configuration.
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Provide an encoder interface and implement a JPEG encoder using libjpeg.
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Generate the ResultMetadata before performing JPEG compression so that
JPEG specific metadata can be added to the metadata when it has been
processed.
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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When we call validate on a configuration, if there are any adjustments
on the configuration, we fail without showing why.
Display the stream configuration after the validate stage to aid
debugging stream startup failures.
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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Use lseek to query the length of planes where possible rather than leaving
the plane.length as zero, which prevents mapping buffers for software
processing.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The camera3buffer describes the number of filedescriptors given.
Don't try to construct more planes than that.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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If an error is generated, try to be verbose about it in the libcamera logs.
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Fix the spelling of 'successfully' reported in an error message.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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A 'id' is passed when a new CameraDevice is constructed in order for
unique identification. Failing to initialize it, will lead to the
issue of garbage return value via CameraDevice::id().
Signed-off-by: Umang Jain <email@uajain.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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Signed-off-by: Umang Jain <email@uajain.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The CameraHalManager::getStaticMethod() method isn't used, remove it.
Signed-off-by: Umang Jain <email@uajain.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Rename Camera::name() to camera::id() to better describe what it
represents, a unique and stable ID for the camera. While at it improve
the documentation for the camera ID to describe it needs to be stable
for a camera between resets of the system.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add 5 controls to the generate preview template to comply with the
camera3 specification.
This change fixes CTS 9.0.r12 test:
android.hardware.camera2.cts.CameraDeviceTest#testCameraDevicePreviewTemplate
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Currently the request template returned from
CameraDevice::constructDefaultRequestSettings() is the same for all
the supported template types.
To prepare to adjust the template depending on the use case, break out
the template generation to a dedicated function that supports the
PREVIEW use case. All the other template types use the
requestTemplatePreview() function and just update the capture intent
property.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Add a method to update an existing metadata tag entry, by wrapping
the update_metadata_entry() function provided by the Android
metadata library.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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The request capture templates stored in the
CameraDevice::requestTemplates_ should not be modified once created.
Store a const pointer to the request templates in the class member
map.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Add a const version of the CameraMetadata::get() method to retrieve
a const pointer to the camera metadata wrapped by the class instance.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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The CameraMetadata::isValid() method does not modify the object state
and can be called on const instances of the CameraMetadata class.
Mark the method as const to allow that.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Probe the libcamera Camera for RAW support and if supported report RAW
capability in the static metadata reported to Android.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Add a mapping from HAL RAW formats to the direct equivalent of libcamera
formats. With this change it is possible to capture RAW images as long
as the hardware can deliver frames in a format that is native to the
HAL.
More work is needed to deal with unpacked 8, 10 and 12 RAW formats as
they don't directly map to a native HAL format. Nor do they belong in
the RAW_OPAQUE category as the content format is generic and not
uncommonly supported by hardware.
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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When probing what formats a libcamera Camera supports we want to allow
to probe for non-mandatory formats. Add a new flag to indicate if a
format in camera3FormatsMap is mandatory or not.
All current defined formats are mandatory.
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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Define the ANDROID_REQUEST_MAX_NUM_INPUT_STREAMS to zero to inform users
the HAL does not support any reprocessing.
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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The scaler format information was only used for the
ANDROID_SCALER_AVAILABLE_FORMATS tag which is deprecated and removed. As
it has no other users remove it.
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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The documentation says the HAL_PIXEL_FORMAT_* defines shall be used for
formats instead of ANDROID_SCALER_AVAILABLE_FORMATS_* for the
ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS and
ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS tags.
This have worked in the past as the numerical value of the two sets are
the same for the formats supported.
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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According to the documentation the tag
ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS deprecates the
ANDROID_SCALER_AVAILABLE_FORMATS tag. As the HAL implements both tags
remove the deprecated one.
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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A capture request is no longer limited to a single output buffer.
Remove the limitation, but (for now) keep the check to ensure that
at least one buffer is always provided.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Construct a FrameBuffer for every buffer given in the camera3Request
and add it to the libcamera Request on the appropriate stream.
The correct stream is obtained from the private data of the camera3_stream
associated with the camera3_buffer.
Comments regarding supporting only one buffer are now removed, and
FrameBuffers have their lifetime tracked in the Camera3RequestDescriptor
to ensure they are released when the Request is completed.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Introduce a vector storing a CameraStream to track and maintain
state between an Android stream (camera3_stream_t) and a libcamera
Stream.
Only the index of the libcamera stream is stored, to facilitate identifying
the correct index for both the StreamConfiguration and Stream vectors.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Move the construction of the Request higher in the code flow so that
multiple buffers and streams can be added where required.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Move the code which constructs a FrameBuffer from the Android buffer handle
to it's own function to simplify the code flow and readability.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Create an initial Camera Configuration using an empty role set, and
populate the StreamConfigurations manually from each of the streams
given by the Android camera3_stream_configuration_t stream_list.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Rather than converting pixelformats through the map, and then
dereferencing the iterator later, create a helper to explicitly return a
PixelFormat type.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Use the new pixel format constants to replace usage of macros from
drm_fourcc.h.
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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Until N4387 (https://wg21.link/N4387, applied as a defect report for
C++11), a function could not return a tuple using
copy-list-initialization. This affects gcc-5 that was released before
N4387 was integrated, and causes a compilation error:
../../src/android/camera_device.cpp: In member function ‘std::tuple<unsigned int, unsigned int> CameraDevice::calculateStaticMetadataSize()’:
../../src/android/camera_device.cpp:391:32: error: converting to ‘std::tuple<unsigned int, unsigned int>’ from initializer list would use explicit constructor ‘constexpr std::tuple<_T1, _T2>::tuple(_U1&&, _U2&&) [with _U1 = unsigned int&; _U2 = unsigned int&; <template-parameter-2-3> = void; _T1 = unsigned int; _T2 = unsigned int]’
return { numEntries, byteSize };
Fix it by using std::make_tuple().
Fixes: a80d38109f65 ("android: camera_device: Calculate metadata size")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Translate the Android format code to the libcamera format code
at stream configuration time, using the translation map built at
camera device initialization time.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Replace the hardcoded stream configuration map with the information
collected at CameraDevice initialization time.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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As we move to have more and more dynamically generated static metadata
entries, the size of the metadata buffer has to be calculated
dynamically inspecting the information collected from the camera.
Provide a method to perform metadata buffers size calculation and
use it when generating camera static metadata.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Initialize the stream configuration map by applying the Android Camera3
requested resolutions and formats to the libcamera Camera device.
For each required format test a list of required and optional
resolutions, construct a map to translate from Android format to the
libcamera formats and store the available stream configuration to
be provided to the Android framework through static metadata.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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The CameraHalManager::getCameraInfo() method hardcodes the camera facing
side and orientation (which corresponds, confusingly, to libcamera's
location and rotation properties).
Instead of hard-coding the values based on the camera id, inspect the
libcamera properties that report the camera location and rotation in a
new initialize() method, and use them to report the android camera info
and to populate the static metadata buffer.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Report the supported API version in the camera_info structure provided
to the framework.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Make the CameraDevice a Loggable subclass and provide a logPrefix()
method to identify which camera the log output refers to.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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The libcamera internal headers are located in src/libcamera/include/.
The directory is added to the compiler headers search path with a meson
include_directories() directive, and internal headers are included with
(e.g. for the internal semaphore.h header)
#include "semaphore.h"
All was well, until libcxx decided to implement the C++20
synchronization library. The __threading_support header gained a
#include <semaphore.h>
to include the pthread's semaphore support. As include_directories()
adds src/libcamera/include/ to the compiler search path with -I, the
internal semaphore.h is included instead of the pthread version.
Needless to say, the compiler isn't happy.
Three options have been considered to fix this issue:
- Use -iquote instead of -I. The -iquote option instructs gcc to only
consider the header search path for headers included with the ""
version. Meson unfortunately doesn't support this option.
- Rename the internal semaphore.h header. This was deemed to be the
beginning of a long whack-a-mole game, where namespace clashes with
system libraries would appear over time (possibly dependent on
particular system configurations) and would need to be constantly
fixed.
- Move the internal headers to another directory to create a unique
namespace through path components. This causes lots of churn in all
the existing source files through the all project.
The first option would be best, but isn't available to us due to missing
support in meson. Even if -iquote support was added, we would need to
fix the problem before a new version of meson containing the required
support would be released.
The third option is thus the only practical solution available. Bite the
bullet, and do it, moving headers to include/libcamera/internal/.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
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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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