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Support Greyscale images in the format converter by expanding the R8
component to each of the output RGB components.
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>
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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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The Stream pointer just acts as a key in the Request object. There is no
good use-case to modify a stream from a pointer retrieved from the
Request, make it const. This allows pipeline handlers to better express
that the Stream pointer is retrieved in a Request should just be treated
as a key.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@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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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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If the currently streaming camera is hot-unplugged, a camera reference
was still held by MainWindow::camera_, preventing it to be destructed,
until qcam window is closed. Plug the leak in the hot-unplug handler
itself.
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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Fix a typo in the word "Unsupported".
Signed-off-by: You-Sheng Yang <vicamo.yang@canonical.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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This patch improves the colour information recorded in DNG files using
the ColourCorrectionMatrix metadata for the image. Note that we are
not supplying a full calibration using two illuminants, nonetheless
the single matrix here appears to be respected by a number of tools.
Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add an option to control compilation of the qcam test application. The
default behavior is to compile qcam, no change in behavior without user
intervention.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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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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Hook up various QCam UI bits with hotplug support introduced
in previous commits. This looks good-enough as first steps
to see how the hotplugging functionality is turning out to be
from application point-of-view.
One can still think of few edge case nuances not yet covered
under this implementation especially around having only one
camera in the system and hotplugging/hot-unplugging it.
Hence, those are intentionally kept out of scope for now. It
might require some thinking on how to handle it on application
level having additional time on hand.
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: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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If the EXIF directory is empty due to no metadata being available tools
such as tiffinfo complains that the directory is malformed.
TIFFFetchDirectory: Sanity check on directory count failed, this is probably not a valid IFD offset.
TIFFReadCustomDirectory: Failed to read custom directory at offset 0.
Always record the creation time in the EXIF directory instead of adding
complexity to skip creating the EXIF directory if there is no metadata
to record. This ensures there are at least some entries in the EXIF
directory and that makes tiffinfo happy.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add support for the Bayer formats produced on the IPU3. The format uses
a memory layout that is hard to repack and keep the 10-bit sample size,
therefore scale the samples to 16-bit when creating the scanlines.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Specify the license of the Feather icons files in the .reuse/dep5 file.
Technically speaking the SVG format supports comments, SPDX could thus
be used, but that would be impractical both due to the large number of
files, and the fact that they would then diverge from the upstream
project.
We can remove the README.md file, as it now only contains redundant or
incorrect information: the license and project URL are contained in the
DEP5 file, and the comment related to generation of the GRC file is
outdated as the file is now manually edited to only include the icons
that we need.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Add missing SPDX headers to miscellaneous small files. Use CC0-1.0 for
meson.build, .gitignore and the small include/linux/README, and licenses
matching the corresponding component for other files.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Starting from Qt v5.15.0, the QTextStreamFunctions::fixed function
used to configure formatting on QTextStream is deprecated in favour of
Qt::fixed. This causes a compilation error:
../src/qcam/main_window.cpp:634:16: error: ‘QTextStream& QTextStreamFunctions::fixed(QTextStream&)’ is deprecated: Use Qt::fixed [-Werror=deprecated-declarations]
634 | << "fps:" << fixed << qSetRealNumberPrecision(2) << fps;
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Fix it by using Qt::fixed, and provide backward compatibility with Qt
versions older than v5.14.0 that didn't provide Qt::fixed.
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com> # 5.12.8
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The libcamera source files are named after class names, using
snake_case. pixelformats.h and pixelformats.cpp don't comply with that
rule. Fix them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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When the native pixel formats supported by QT were introduced, the
RGB/BGR formats were inverted.
Swap the BGR888 and RGB888 mappings accordingly.
Fixes: f890a57b7a06 ("qcam: viewfinder: Add support for more native formats")
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Several headers belonging to cam and qcam use __LIBCAMERA_*_H__ as a
header guard. They're not part of the libcamera core, use __CAM_*_H__
and __QCAM_*_H__ instead, similarly to all other headers of cam and
qcam.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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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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The EXIF IFD is incorrectly chained to IFD 0 in addition to being a
referenced as a sub IFD through the EXIFIFD tag. While the libtiff API
doesn't clearly document why this happens, inspection of the
TIFFWriteDirectory() source code show that the function treats the IFD
being written as containing an image, which isn't correct for the EXIF
IFD. Use TIFFWriteCustomDirectory() instead, which fixes the problem.
The resulting DNG file can now be opened with darktable in addition to
rawtherapee.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Todo statements should not end with a colon, remove it.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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While the DNG specification supports greyscale ("BlackIsZero") for
thumbnails, RawTherapee seems to have trouble reading them. Generate
thumbnails in RGB instead (but still with greyscale content, to avoid
having to interpolate colour components).
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Populate the DNG black level, ISO speed rating and exposure time from
metadata. The ISO speed rating and exposure time are standardized as
EXIF tags, not TIFF tags, and require a separate EXIF IFD.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Generate a greyscale, 1/16 resolution thumbnail and add it to the DNG
file. This requires shuffling the RAW image generation as the thumbnail
has to be stored in the main IFD as per the DNG and TIFF/EP
specifications.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Name arguments to the FormatInfo::packScanline function pointer to make
it easier to understand its usage when reading the function declaration.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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The DNG writer will use the metadata to populate DNG tags.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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While reformatting the table the field name was missed for one entry,
add it.
Fixes: db7235b7141aa4e2 ("qcam: Add DNGWriter")
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add a toolbar button that captures RAW data to disk. The button is only
enabled if the camera is configured to provide a raw stream to the
application.
Only when the capture action is triggered will a request with a raw
buffer be queued to the camera.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add an initial DNG file writer. The writer can only deal with a small
set of pixel formats. The generated file is consumable by standard
tools. The writer needs to be extended to write more metadata to the
generated file.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Allow a second stream to be configured for raw capture. This change only
adds support for configuring and allocating buffers for the second
stream. Later changes are needed to queue the allocated buffers to the
camera when the user wishes to capture a raw frame.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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If the camera can not generate a configuration from the requested roles
it returns a nullptr which leads to a nullptr dereference. Fix this by
adding a check that the camera generated a configuration before trying
to access it.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Use the StreamKeyValueParser helper to parse stream configuration from
the command line. This extends qcam to accept role hints and pixel
format in addition to a size.
Currently only one viewfinder stream is supported, add a check to keep
this behavior. Going forward this restriction will be lifted to support
more then one stream.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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When one of the camera is selected and opened from the
"Select Cameras" items list, the entry of the combo-box
in the main-window doesn't update its item index to reflect
the camera which was earlier selected. Fix that.
Signed-off-by: Umang Jain <email@uajain.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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This commit introduces no functional changes.
This is required so that the combo-box list can be managed
conveniently from various private functions in subsequent
commit.
Signed-off-by: Umang Jain <email@uajain.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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The sequence number of captured frames is logged to the console with
padding to 6 characters to increase readability. The output is however
incorrect, as 123 is printed as 00012300000. This is caused by the
auto-space feature of QDebug, which inserts a space after every field.
This doesn't play well with stream format manipulation, as it ends up
padding the automatically inserted space the same way as the previous
argument.
This is a bug in Qt, work around it by formatting the sequence number
manually.
Fixes: 494da4467ddf ("qcam: Use Qt qInfo() and qWarning() logging facilities")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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If the camera specified on the command line can't be opened, the
MainWindow constructor still proceeds to check the startStopAction_,
which results in MainWindow::startCapture() being called and trying to
use a null camera_ object. Fix this by returning from the constructor as
soon as the error is detected.
This also fixes a similar crash if the camera selection dialog box is
closed without selecting a camera.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Umang Jain <email@uajain.com>
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When the validate() function adjusts the stream configuration, we print
the adjusted size for debugging purpose. Switch to printing the whole
configuration, as the pixel format may be useful too.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Query the viewfinder for the formats it supports natively, and select
one of them for the stream if possible.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Expose the pixel formats natively supported by the viewfinder, to allow
selection of stream formats that would minimize usage of software
conversion.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Print an info message when initializing the viewfinder to report if the
format converter is used or if zero-copy is enabled. This is useful to
notify of a possible impact on performances.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Qt supports more 24-bit and 32-bit RGB formats for native painting. If
the frame buffer pixel format matches any of them, disable the converter
and create a QImage in the appropriate format.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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When stopping capture, display an icon instead of the last frame. This
is required to be able to release the last buffer when the viewfinder
operators in zero-copy mode.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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If the frame buffer format is identical to the display format, the
viewfinder still invokes the converter to perform what is essentially a
slow memcpy(). Make it possible to skip that operation by creating a
QImage referencing the buffer memory instead. A reference to the frame
buffer is kept internally, and released when the next buffer is queued,
pushing the current one out.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Reorder the methods in viewfinder.cpp to match the order in
viewfinder.h. No code change.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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There's no need to initialize the PixelFormat stored in ViewFinder
explicitly, as PixelFormat is now a class with a default constructor.
Remove the initialization.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The QImage class is a thin wrapper that uses implicit sharing. We can
thus embed it in the ViewFinder class instead of allocating it
dynamically, and assign it at runtime. This simplifies the code.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The viewfinder is currently expected to render frames to the screen
synchronously in the display() function, or at least to copy data so
that the buffer can be queued in a new request when the function
returns. This prevents optimisations when the capture format is
identical to the display format.
Make the viewfinder take ownership of the buffer, and notify of its
release through a signal. The release is currently still synchronous,
this will be addressed in a subsequent patch.
Rename the ViewFinder::display() function to render() to better describe
its purpose, as it's meant to start the rendering and not display the
frame synchronously.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The lack of support for multiplanar buffers comes from the viewfinder.
Move the corresponding check from MainWindow.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The new MappedBuffer structure replaces the std::pair<> used in the
mapped buffers map, and allows passing data to the ViewFinder::display()
function in a more structured way.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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