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Complete the brief for MappedBuffer::maps_ documentation.
Fixes: b3383da79f1d ("libcamera: buffer: Create a MappedBuffer")
Signed-off-by: Umang Jain <email@uajain.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The MediaDevice::setupLink() function fails (ioctl returns EINVAL) when
it passes only the MEDIA_LNK_FL_ENABLE flag to a link that is already
flagged with MEDIA_LNK_FL_ENABLE and MEDIA_LNK_FL_IMMUTABLE. Contrast to
media-ctl's equivalent media_setup_link() which ORs the new flags with
the existing values. Fix this by preserving all flags but
MEDIA_LNK_FL_ENABLED in MediaLink::setEnabled().
Signed-off-by: Dan Scally <djrscally@gmail.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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Check if the dmaHeap_ allocator is valid at match() time to fail
earlier if its construction failed.
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 isValid() method to verify the allocator device has been open
correctly.
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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Improve the device opening at class construction time by testing all
the available device paths and printout the appropriate error message.
While at it, initialize dmaHeapHandle_ to -1 and check for its value
at destruction time.
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 default sensor orientation must be set early on in match() to ensure
generateConfiguration() and configure() return out the correct Bayer
ordering to the application. This is particularly important for RAW
capture streams.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The sensor aligns the width and height to multiples of two pixels, and
the scaler has a x3 hardcoded factor. The output size must thus be
aligned to 6 pixels, not 3. Fix it.
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 payload size in a captured framebuffer is usually equal to the
buffer size. However, for compressed formats, the payload may be
smaller Only write the payload when capturing to a file.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The V4L2CameraProxy always calls V4L2Camera::getStreamConfig() right
after V4L2Camera::open(), and never afterwards. Simplify the code by
returning the initial configuration from V4L2Camera::open() and removing
V4L2Camera::getStreamConfig().
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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The V4L2 compatibility layer only uses the fmt.pix field of
curV4L2Format_. There's no need to cache the full v4l2_format, store
v4l2_pix_format only and rename the member variable from curV4L2Format_
to v4l2PixFormat_. While at it, group the V4L2-related member variables
together in the V4L2CameraProxy class.
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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The setFmtFromConfig() method doesn't modify its parameter, make it
const.
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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Print the timestamp of the captured buffer in addition to the frame
rate, as this is more precise information that can help debugging issue.
The log changes from
Using camera \_SB_.PCI0.XHC_.RHUB.HS05-5:1.0-0bda:58f4
Capture until user interrupts by SIGINT
fps: 0.00 stream0 seq: 000000 bytesused: 169968
fps: 28.57 stream0 seq: 000002 bytesused: 170352
fps: 31.25 stream0 seq: 000003 bytesused: 170428
fps: 32.26 stream0 seq: 000004 bytesused: 170672
fps: 27.78 stream0 seq: 000005 bytesused: 170568
to
Using camera \_SB_.PCI0.XHC_.RHUB.HS05-5:1.0-0bda:58f4
Capture until user interrupts by SIGINT
93473.942525 (0.00 fps) stream0 seq: 000000 bytesused: 183940
93474.006528 (15.62 fps) stream0 seq: 000002 bytesused: 183512
93474.038525 (31.25 fps) stream0 seq: 000003 bytesused: 183760
93474.074530 (27.77 fps) stream0 seq: 000004 bytesused: 182704
93474.106581 (31.20 fps) stream0 seq: 000005 bytesused: 182768
While at it, compute the frame rate on the buffer timestamps instead of
sampling the clock in the request completion handler.
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 standard way in C++17 to specify that a function or function
argument may be unused it to specify the [[maybe_unused]] attribute.
Replace manual void casts to silence compiler warnings.
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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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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Now that libcamera is using C++17 and requires gcc 7 or newer, we can
use the implicit std::queue constructor. Simplify the code accordingly.
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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Now that libcamera uses C++17, the C++ standard library provides
std::clamp(). Drop our custom utils::clamp() function.
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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Due to popular request, move from C++14 to C++17. This will allow
dropping some custom constructs (such as a custom utils::clamp),
benefiting from new language features, and dropping gcc 5 and 6 from the
compilation tests.
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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Commit 15df621fb9a7 ("libcamera: ipu3: Configure ImgU with the computed
parameters") added an empty "imgu." file by mistake. Remove it.
Fixes: 15df621fb9a7 ("libcamera: ipu3: Configure ImgU with the computed parameters")
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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Instead of using "delete obj" in the custom deleter of the shared
object, we should have been using the "obj->deleteLater()" to explain
how the deleteLater() API should be used in practice.
Fixes: 9558886f7a85 ("libcamera: object: Add deleteLater() support)
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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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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We currently have no way to identify if the UVC device is external
or internal(i.e. non-removable) to the system to set this property.
Until we have a starting point to resolve this, treat all UVC cameras.
Add a \todo explaining the situation for the same.
Signed-off-by: Umang Jain <email@uajain.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.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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Introduce a pipeline-handler writers guide to provide a walk through of
the steps and concepts required to implement a new Pipeline Handler.
Signed-off-by: Chris Chinchilla <chris@gregariousmammal.com>
[Reflow/Rework, update to mainline API]
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
[Further reworks and review]
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Provide a tutorial and walk through guide for writing an applications
with libcamera.
Signed-off-by: Chris Chinchilla <chris@gregariousmammal.com>
[Reflow/Rework, update to mainline API]
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
[Further reworks and review]
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Create an introduction and overview for new developers to libcamera.
Provide an overview of the Camera Stack, and Architecture of libcamera
and introduce the main concepts of libcamera.
Signed-off-by: Chris Chinchilla <chris@gregariousmammal.com>
[Kieran: Rework/Reflow, add diagrams, licensing]
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Reading the controls and properties does not modify the camera's state
and can be marked as const operations.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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operations
Reading the controls and properties does not modify the pipeline's state
and can be marked as const operations.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add a version of cameraData() that returns a const pointer and mark it
as a const operation. The assert in the non-const version of the
function already enforces that a std::map::at() operation would always
succeed so there is no change in operation from the non-const version.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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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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Reported-by: Coverity CID=279099
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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When converting Camera::name() to Camera::id() one variable in cam was
left unnoticed, rename it to cameraId.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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When switching from V4L2 to DRM pixel formats V4L2_PIX_FMT_GREY was
dropped form the list of supported formats but the arrays size was never
decreased, fix this.
Fixes: 448716d8f7518579 ("libcamera: Switch PixelFormat to DRM FourCC values")
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
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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Utilise the new MappedFrameBuffer helper to handle all mapping and
unmapping of the copyFrom helper function.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Provide initial testing framework for the MappedBuffer component.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Provide a MappedFrameBuffer helper class which will map
all of the Planes within a FrameBuffer and provide CPU addressable
pointers for those planes.
The MappedFrameBuffer implements the interface of the MappedBuffer
allowing other buffer types to be constructed of the same form, with a
common interface and cleanup.
This allows MappedBuffer instances to be created from Camera3Buffer types.
Mappings are removed upon destruction.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Determine the number of planes used by a format by counting the number
of PixelFormatPlaneInfo entries with a valid entry.
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Update the remaining (capitalised) Buffer references to the new FrameBuffer
object that they refer to.
Lower-case 'buffer' terms are kept, as a generic reference to a buffer
rather than the specific type 'FrameBuffer'.
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Having the build time in the version string is useful when building from
a dirty worktree and deploying to targets as a quick way to identify the
binary has been deployed successfully.
Before this change the version string is reported as
libcamera v0.0.0+1692-aaff196a-dirty
While with this change the version string is reported as
libcamera v0.0.0+1692-aaff196a-dirty (2020-08-05T22:42:18+02:00)
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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