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The RGB to YCbCr conversion matrix mentioned in a comment, coming from
the hardware documentation, does not match any of the canonical matrices
specified by any standard. While researching where the values came from,
it became apparent they are likely Bt.601 limited range coefficients
rounded to 6 bits of decimal precision. Record this in comments.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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Replace the manual vector and matrix calculations with usage of the
Vector and Matrix classes. This simplifies the code and improves
readability.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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Replace the manual storage of gains in the IPA active state and frame
context with usage of the RGB class. This simplifies the code thanks to
usage of the arithmetic functions provided by the RGB class.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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Replace the manual vector and matrix calculations with usage of the
Vector and Matrix classes. This simplifies the code and improves
readability.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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The rec601LuminanceFromRGB() and estimateCCT() functions take RGB
triplets as three variables. Replace them with instances of the RGB
class and adapt the users accordingly. Only variables passed directly to
these functions are converted to RGB instances, further conversion of
IPA modules to the RGB class will be performed separately.
While at it, fix a typo in the documentation of the estimateCCT()
function.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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Now that libipa has a generic RGB class, replaces the local
implementation from the IPU3 AWB algorithm.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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Add a function to calculate the sum of a vector. It will be useful for
algorithms.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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Add functions to calculate the element-wise minimum and maximum of two
vectors or of a vector and a scalar. This will be used in algorithm
implementations.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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Extend the Vector class with compound assignment operators that match
the binary arithmetic operators.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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The Vector class defines multiple element-wise arithmetic operators
between vectors or between a vector and a scalar. A few variants are
missing. Add them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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Instead of hand-coding all arithmetic operators, implement them based on
a generic apply() function that takes an operator-specific binary
operators. This will simplify adding missing arithmetic operators.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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The Vector class defines a set of arithmetic operators between two
vectors or a vector and a scalar. All the operators perform element-wise
operations, except for the operator*() that computes the dot product.
This is inconsistent and confusing. Replace the operator with a dot()
function.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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The default constructor leaves the vector data uninitialized. Add a
constructor to fill the vector with copies of a scalar value, and fix
the documentation of the default constructor.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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The Vector class can be useful to represent RGB pixel values. Add r(),
g() and b() accessors, similar to x(), y() and z(), along with an RGB
type that aliases Vector<T, 3>.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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The x(), y() and z() functions of the Vector class are convenience
accessors for the first, second and third element of the vector
respectively, meant to improve readability of class users when a vector
represents coordinates in 1D, 2D or 3D space. Those accessors are
limited to immutable access to the vector elements, as they return a
copy. Extend the API with mutable accessors.
The immutable accessors are modified to return a reference to the vector
elements instead of a copy for consistency. As they are inline
functions, this should make no difference in terms of performance as the
compiler can perform the same optimizations in their case.
While at it, reorder functions to declare operators before other member
functions, to be consistent with the usual coding style.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
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The terms "shutter" and "shutter speed" are used through libcamera to
mean "exposure time". This is confusing, both due to "speed" being used
as "time" while it should be the inverse (i.e. a maximum speed should
correspond to the minimum time), and due to "shutter speed" and
"exposure time" being used in different places with the same meaning.
To improve clarity of the code base and the documentation, use "exposure
time" consistently to replace "shutter speed".
This rename highlighted another vocabulary issue in libcamera. The
ExposureModeHelper::splitExposure() function used to document that it
splits "exposure time into shutter time and gain". It has been reworded
to "split exposure into exposure time and gain". That is not entirely
satisfactory, as "exposure" has a defined meaning in photography (see
https://en.wikipedia.org/wiki/Exposure_(photography)) that is not
expressed as a duration. This issue if left to be addressed separately.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Before commit eeaa7de21b8c ("libcamera: pipeline: Add test pattern for
VirtualPipelineHandler") the libyuv dependency was only needed for the
Android adaptation layer. As libyuv isn't packaged by most distribution,
meson fell back to using a meson wrap if the Android adaptation layer
was enabled and the library wasn't found.
With commit eeaa7de21b8c, libyuv is also used by the virtual pipeline
handler, and the meson wrap fallback handling got centralized and became
unconditional, so the wrap is downloaded even if the components
depending on libyuv are all disabled. This causes unnecessary downloads
at setup time, which can be problematic on build systems without an
internet connection.
Fix this by making the wrap fallback conditional on the components that
use libyuv.
Fixes: eeaa7de21b8c ("libcamera: pipeline: Add test pattern for VirtualPipelineHandler")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Harvey Yang <chenghaoyang@chromium.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add python bindings for querying whether or not a ControlId is an array
type, and the size.
Example usage:
>>> cid
libcamera.ControlId(28, FrameDurationLimits[2], ControlType.Integer64)
>>> cid.isArray
True
>>> cid.size
2
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Report the default sensor black level reported by the datasheet.
Note that IMX327 and IMX462 depend on the IMX290 CameraSensorHelper.
That's fine since those sensors report the same defaults for the
black level as the Sony IMX290.
Signed-off-by: Geoffrey Van Landeghem <geoffrey.vl@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 default tuning file for Sony IMX327 sensor. This tuning file
is a copy of the IMX290 and is added to make the IMX327 sensor
just work without hassle. Note the extra description field to
clarify this is just an interim tuning file untill someone
provides a proper one.
Signed-off-by: Geoffrey Van Landeghem <geoffrey.vl@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 default tuning file for Sony IMX462 sensor. This tuning file
is a copy of the IMX290 and is added to make the IMX462 sensor
just work without hassle. Note the extra description field to
clarify this is just an interim tuning file untill someone
provides a proper one.
Signed-off-by: Geoffrey Van Landeghem <geoffrey.vl@gmail.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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The IMX327 sensor is largely compatible with the already supported
Sony IMX290 so we can reuse the same helpers for the analogue gain
conversion functions.
Signed-off-by: Geoffrey Van Landeghem <geoffrey.vl@gmail.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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The sensor is largely compatible with the already supported
Sony IMX290 so we can reuse the same helpers for the analogue
gain conversion functions.
Signed-off-by: Geoffrey Van Landeghem <geoffrey.vl@gmail.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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Some IPA modules, like the RkISP1 one, call FCQueue::get(0) at
IPA::start() time, before any frame context has been allocated with
FCQueue::alloc() called at queueRequest() time.
The FCQueue implementation aims to detect when a FrameContext is get()
before it is alloc()-ated, Warns about it, and initializes the
FrameContext before returning it.
In case of frame#0, a get() preceding an alloc() call is not detected
as the "frame == frameContext.frame" test returns success, as
FrameContexts are zeroed by default.
As a result, the first returned FrameContext is not initialized.
Explicitly test for frame#0 to make sure the FrameContext is initialized
if get(0) is called before alloc(0). To avoid re-initializing a frame
context, in case alloc() has been called correctly before get(),
introduce an "initialised" state variable that tracks the FrameContext
initialisation state.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
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DmaBufAllocator::exportBuffers
As the helper function DmaBufAllocator::exportBuffers is added, we can
avoid some code duplication in SoftwareIsp as well.
Signed-off-by: Harvey Yang <chenghaoyang@chromium.org>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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This patch introduces the configuration file for Virtual Pipeline
Handler. The config file is written in yaml, and the format is
documented in `README.md`.
The config file will define the camera with IDs, supported formats and
image sources, etc. In the default config file, only Test Patterns are
used. Developers can use real images loading if desired.
Signed-off-by: Konami Shu <konamiz@google.com>
Co-developed-by: Harvey Yang <chenghaoyang@chromium.org>
Signed-off-by: Harvey Yang <chenghaoyang@chromium.org>
Co-developed-by: Yunke Cao <yunkec@chromium.org>
Signed-off-by: Yunke Cao <yunkec@chromium.org>
Co-developed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Besides TestPatternGenerator, this patch adds ImageFrameGenerator that
loads real images (jpg / jpeg for now) as the source and generates
scaled frames.
Signed-off-by: Konami Shu <konamiz@google.com>
Co-developed-by: Harvey Yang <chenghaoyang@chromium.org>
Signed-off-by: Harvey Yang <chenghaoyang@chromium.org>
Co-developed-by: Yunke Cao <yunkec@chromium.org>
Signed-off-by: Yunke Cao <yunkec@chromium.org>
Co-developed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add a test pattern generator class hierarchy for the Virtual
pipeline handler.
Implement two types of test patterns: color bars and diagonal lines
generator and use them in the Virtual pipeline handler.
A shifting mechanism is enabled. For each frame, the image is shifted to
the left by 1 pixel. It drops FPS though.
Add a dependency for libyuv to the build system to generate images
in NV12 format from the test pattern.
Signed-off-by: Konami Shu <konamiz@google.com>
Co-developed-by: Harvey Yang <chenghaoyang@chromium.org>
Signed-off-by: Harvey Yang <chenghaoyang@chromium.org>
Co-developed-by: Yunke Cao <yunkec@chromium.org>
Signed-off-by: Yunke Cao <yunkec@chromium.org>
Co-developed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add VirtualPipelineHandler for more unit tests and verfiy libcamera
infrastructure works on devices without using hardware cameras.
Signed-off-by: Harvey Yang <chenghaoyang@chromium.org>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The Fatal check of having at least one MediaDevice was to prevent
pipeline handler implementations searching and owning media devices with
custom conventions, instead of using the base function
|acquireMediaDevice|. It also has the assumption that there's at least
one media device to make a camera work.
Now that the assumption will be broken by the virtual pipeline handler
added in the following patches, and developers should be aware of the
available functions in the base class to handle media devices, the Fatal
check is no longer needed.
Signed-off-by: Harvey Yang <chenghaoyang@chromium.org>
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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Add a helper function exportBuffers in DmaBufAllocator to make it easier
to use.
It'll be used in Virtual Pipeline Handler and SoftwareIsp.
Signed-off-by: Harvey Yang <chenghaoyang@chromium.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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If grey world AWB is setup in the tuning file, the CT curve will either
be missing or invalid. Disable biasing the statistics for the search in
such cases.
Fixes: ea8fd63d936f ("ipa: rpi: awb: Add a bias to the AWB search")
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Use the centralised libipa helpers rather than open coding common
functions.
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
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Use the centralised libipa helpers instead of open-coding common
functions.
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Use the centralised libipa helpers instead of open coding common
functions.
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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We start to have some functions relating to colour that are
effectively identical crop up across the IPA modules. Add a file
allowing those to be centralised within libipa so that a single
implementation can be used in all of the IPAs.
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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std::from_chars(), introduced in C++17, is a fast, locale-independent
string-to-arithmetic conversion function. The C++ standard library
provides overloads for all integer types, making it a prime candidate to
replace the manual handling of integer sizes in the YamlParser string to
integer conversion.
Compared to std::strtol(), std::from_chars() doesn't recognize the '0x'
prefix or '+' prefix, and doesn't ignore leading white space. As the
YamlParser doesn't require those features, std::from_chars() can be used
safely, reducing the amount of code.
C++17 also requires the standard C++ library to provide overloads for
floating-point types, but libc++ does not implement those. The float and
bool implementations of YamlParser::Getter::get() are therefore kept
as-is.
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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For debugging purposes it is helpful to access the internal data of the
histogram. Add an accessor for that.
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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Add a DebugMetadata helper to the context and add the corresponding
plumbing. This is all that is needed to support debug metadata in an
IPA.
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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Initialization using the initializer list is cumbersome and requires
modifications to the list whenever the context is modified. Fix that by
adding a proper constructor to the context.
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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Debug metadata often occurs in places where the metadata control list is
not available e.g. in queueRequest() or processStatsBuffer() or even in
a class far away from the metadata handling code. It is therefore
difficult to add debug metadata without adding lots of boilerplate
code. This can be mitigated by recording the metadata and forwarding it
to the metadata control list when it becomes available. To solve the
issue of code that is far away from the metadata context, add a chaining
mechanism to allow loose coupling at runtime.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add a new 'debug' controls namespace for the upcoming implementation of
debug metadata. While at it, sort the entries alphabetically.
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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If the CameraManager fails to initialise at startup during
CameraManager::Private::init(), then the run() function will prepare the
thread for operations, but the thread will immediately close without
executing any cleanup.
This can leave instantiated objects such as the EventNotifier registered
by the udev enumerator constructed in a thread which no longer exists.
The destructor of those objects can then fire an assertion that they are
being executed from an incorrect thread while performing their cleanup.
Ensure that the failure path does not result in reporting thread
ownership assertions by performing cleanup correctly on the
CameraManager thread before it closes.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The names used by the IPA interface and the names used for buffer
completions handlers in libcamera clash in the use of the term "buffer".
For example video device buffer completion handler is called
"bufferReady" and the IPA event to ask the IPA to compute parameters are
called "fillParamsBuffers". This makes it hard to recognize which
function handles video device completion signals and which ones handle
the IPA interface events.
Rationalize the naming scheme in the IPA interface function and events
and the signal handlers in the pipelines, according to the
following table. Remove the name "buffer" from the IPA interface events
and events handler and reserve it for the buffer completion handlers.
Rename the IPA interface events and function to use the 'params' and
'stats' names as well.
IPA Interface:
- fillParamsBuffer -> computeParams [FUNCTION]
- processStatsBuffer -> processStats [FUNCTION]
- paramFilled -> paramsComputed [EVENT]
Pipeline handler:
- bufferReady -> videoBufferReady [BUFFER HANDLER]
- paramReady -> paramBufferReady [BUFFER HANDLER]
- statReady -> statBufferReady [BUFFER HANDLER]
- paramFilled -> paramsComputed [IPA EVENT HANDLER]
Cosmetic change only, no functional changes intended.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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PipelineHandler::stop() calls stopDevice() method to perform pipeline
specific cleanup and then completes waiting requests. If any queued
requests remain, an assertion error is raised.
Software ISP stores request buffers in
SimpleCameraData::conversionQueue_ and queues them as V4L2 signals
bufferReady. stopDevice() cleanup forgets to clean up the buffers and
their requests from conversionQueue_, possibly resulting in the
assertion error. This patch fixes the omission.
The problem wasn't very visible when
SimplePipelineHandler::kNumInternalBuffers (the number of buffers
allocated in V4L2) was equal to the number of buffers exported from
software ISP. But when the number of the exported buffers was increased
by one in commit abe2ec64f9e4e97bbdfe3a50372611bd7b5315c2, the assertion
error started pop up in some environments. Increasing the number of the
buffers much more, e.g. to 9, makes the problem very reproducible.
Each pipeline uses its own mechanism to track the requests to clean up
and it can't be excluded that similar omissions are present in other
places. But there is no obvious way to make a common cleanup for all
the pipelines (except for doing it instead of raising the assertion
error, which is probably undesirable, in order not to hide incomplete
pipeline specific cleanups).
Bug: https://bugs.libcamera.org/show_bug.cgi?id=234
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Tested-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Simple pipeline retrieves the requests to complete from the
conversionQueue_. This patch stores the requests in conversionQueue_
explicitly. This explicit tracking is supposed to be preferred to
implicit retrieval and it simplifies the completion code a bit here and
in the followup patch that adds request cleanup on stop.
The change as implemented assumes that all the buffers in each of the
conversionQueue_ elements point to the same request, the one specified.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Let's extract the two occurrences of canceling a request to a common
helper. This is especially useful for the followup patch, which needs
to cancel a request from outside.
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The "useDewarper_" class variable is set to true during configure
only if the configuration is !isRaw.
The main path buffer pool creation can thus be moved out of the
if (!isRaw) block at allocateBuffers() time.
Cosmetic change that will make it easier to create a buffer pool
for the main and self paths unconditionally in future.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
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In order to support a default implementation for camera sensors when no
better implementation matches, libcamera needs to try "specialized"
implementations first and pick the default last. Make this possible by
adding a priority value for factories. Newly registered factories are
inserted in the factories list sorted by descending priority, and the
default factory uses a negative priority to be inserted as the last
element.
This mechanism may be a bit overkill in the sense that there is no
expected use cases for priorities other than trying the default last,
but the implementation is simple and easy to understand.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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With a camera sensor factory in place, the next step is to create an
abstract base class that all camera sensors implement, providing a
uniform API to pipeline handler. Turn all public functions of the
CameraSensor class into pure virtual functions, and move the
implementation to the CameraSensorLegacy class.
Part of the code is likely worth keeping as common helpers in a base
class. However, to follow the principle of not designing helpers with a
single user, this commit moves the whole implementation. Common helpers
will be introduced later, along with other CameraSensor subclasses.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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