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To prepare for adding DNG support to cam, move DNGWriter from qcam to
cam so that we only have inclusions from qcam to cam and not the other
way around.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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When switching to different camera we try to release the camera
previously used. But if that camera has been unplugged, then its
instance would have been destroyed. Accessing it leads to seg fault.
Fix by checking camera_ to see if it exists.
Bug: https://bugs.libcamera.org/show_bug.cgi?id=147
Signed-off-by: Utkarsh Tiwari <utkarsh02t@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Currently to request a frame, we operate the camera directly.
This approach is also scattered in two places,
MainWindow::startCapture() and MainWindow::queueRequest().
This makes it difficult to account for requests.
Centralize all the queuing to a single function queueRequest()
Rename the current queueRequest() to renderComplete().
This makes more sense as this slot is triggered when
the render is complete and we want to queue another
request.
Signed-off-by: Utkarsh Tiwari <utkarsh02t@gmail.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Replace the cameraCombo_ on the toolbar with a QPushButton which
displays the CameraSelectorDialog. This would allow the user to view
information about the camera when switching.
The QPushButton text is set to the camera Id currently in use.
Signed-off-by: Utkarsh Tiwari <utkarsh02t@gmail.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Currently if there is HotPlug event when the user is on the Camera
selection dialog, the QComboBox doesn't update to reflect the change.
Add support for hotplugging / unplugging cameras.
Signed-off-by: Utkarsh Tiwari <utkarsh02t@gmail.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Currently we use QInputDialog convenience dialogs to allow the user to
select a camera. This doesn't allow adding of more information (such as
camera location, model etc).
Create a QDialog with a QFormLayout that shows a QComboBox with camera
Ids. Use a QDialogButtonBox to provide buttons for accepting and
cancelling the action.
The CameraSelectorDialog is only initialized the first time when the
MainWindow is created.
From this commit we cease to auto select the camera if only a single
camera is available to libcamera. We would always display the selection
dialog with the exception being that being if the camera is supplied on
the command line.
Signed-off-by: Utkarsh Tiwari <utkarsh02t@gmail.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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To prepare for color space support in the viewfinder, pass the color
space to the setFormat() function.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
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Fix the sort order of the Qt headers to match the expected
sort order from clang-format.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The libcamera coding style has libcamera headers after system headers,
and before any other library headers.
Move the libcamera headers above the QT headers accordingly.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
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qcam currently assumes that no padding is used at end of lines, and uses
the image width as the stride. This leads to rendering failures with
some formats on some platforms. To prepare for stride support, add a
stride parameter to the ViewFinder::setFormat() function to pass the
stride from the stream configuration to the viewfinder.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Replace the manual implementation of frame buffer mapping with the Image
class to improve code sharing. The ViewFinder API is updated to take an
Image pointer in the render() function to prepare for multi-planar
buffer support.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Fix the debug message that prints frame metadata to print the number of
bytes used for each plane, not just the first one.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The number of metadata planes should always match the number of frame
buffer planes. Enforce this by making the vector private and providing
accessor functions.
As this changes the public API, update all in-tree users accordingly.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
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When disconnecting a signal from a receiver, it is usually not necessary
to specify the receiver's slot function explicitly, as the signal is
often connected to a single slot for a given receiver. We can thus use a
simpler version of Signal::disconnect() that takes a pointer to the
receiver object only. This reduces code size, as the disconnect()
function is a template function.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
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FrameBuffer::Plane has offset info now. This uses the offset
in mapping FrameBuffer in MainWindow.
Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The MappedBuffer structure is a custom container that binds a data
pointer with a length. This is exactly what Span is. Use it instead.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The qcam log prints one message per frame, which is pretty verbose. This
feature is useful for debugging, but not necessarily as a default
option. Silence it by default, and add a -v/--verbose command line
parameter to make the log verbose.
While this could have been handled manually by checking a verbose flag
when printing the message, the feature is instead integrated with the Qt
log infrastructure to make it more flexible. Messages printed by
qDebug() are now silenced by default and controlled by the -v/--verbose
argument.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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To enable reusing Request objects, we kept a pool of free Requests. This
pool was not cleared upon stopping capture, however, which caused a
segfault when switching to another camera. Fix this by clearing the
Request pool on stopCapture().
Fixes: c753223ad6b9 ("libcamera, android, cam, gstreamer, qcam, v4l2: Reuse Request")
Signed-off-by: Paul Elder <paul.elder@ideasonboard.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>
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Tested-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
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The buffer obtained for queuing to a raw stream shadows the buffer
passed in for the main view finder stream.
Prevent shadowing, and explicitly name the buffer as a separate variable.
Suggested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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>
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Allow reuse of the Request object by implementing reuse(). This means
the applications now have the responsibility of freeing the Request
objects, so make all libcamera users (cam, qcam, v4l2-compat, gstreamer,
android) do so.
Signed-off-by: Paul Elder <paul.elder@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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With the buffer copy removed from all pipelines for raw capture
rename StillCaptureRaw to Raw to better describe the role.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Add new option "--renderer=qt|gles" to select the renderer type,
"--renderer=gles" to accelerate format conversion and rendering
"--renderer=qt" is the original Qt rendering.
Signed-off-by: Show Liu <show.liu@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Create ViewFinder base class and rename the original ViewFinder
as QPainter-based ViewFinder.
Signed-off-by: Show Liu <show.liu@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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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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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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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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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 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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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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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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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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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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Replace manual usage of std::cout and std::cerr with the Qt logging
facilities. This allows redirection log output if needed, and integrates
better with Qt.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Printing the name of the selected camera to the log doesn't provide any
value. Remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The qcam application is our reference implementation of a libcamera GUI
application. Document the code of the MainWindow class to make it easier
to follow, and reorganize the member data in logical groups for clarity.
No code change.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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When saving a picture, the application prints a message on cout. This
isn't necessary and doesn't really help with debugging or diagnostics,
remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Allow triggering toolbar actions with keyboard shortcuts.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Use the system icon theme by default, falling back to custom icons if no
theme is available.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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