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The validation of RAW stream support is performed in two different
places:
- At initializeStreamConfigurations() time, by verifying that the
libcamera format associated with HAL_PIXEL_FORMAT_BLOB is a Raw format
and ensuring the Camera successfully validates it
- As initializeStaticMetadata() time by generating a CameraConfiguration
for the Raw stream role and ensuring it is a Raw format with a 16 bit
depth
The first check is used to build the list of supported Raw stream
resolutions. The latter is used to register the
ANDROID_REQUEST_AVAILABLE_CAPABILITIES_RAW capability.
As building the list of supported Raw streams doesn't serve any
purpose if the RAW capability is not registered, centralize the Raw
format support verification at initializeStreamConfigurations() time by
ensuring the supported format is a Raw one with a 16 bit depth.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The getYUVResolutions() and getRawResolutions() functions are called
from the initializeStreamConfigurations() function, which is called by
initialize().
Rationalize the function naming scheme by renaming the two functions to
initializeYUVResolutions() and initializeRawResolution().
Cosmetic change only.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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When building the list of supported YUV streams in getYUVResolutions()
the CameraConfiguration provided by the caller as first parameters is used.
As the CameraConfiguration will be later actually applied to the Camera,
avoid any possible overlap of the configuration parameters by using a
throw-away CameraConfiguration generated for the Viewfinder stream role
in getYUVResolutions().
It's also nicer to avoid having two functions with a similar purpose
such as getYUVResolutions() and getRawResolutions() with different
parameter lists, as the presence of a CameraConfiguration as first
parameter might be confusing to the reader.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
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The std::cerr adjustment is set to std::left to print the usage text.
Restore it to its original value when done, to avoid affecting the
caller.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Keep entries sorted by sensor name to ensure the file stays readable.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Add camera sensor properties for the OV8865 sensor. This is the world
facing camera on most MS Surface platforms.
Signed-off-by: Daniel Scally <djrscally@gmail.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add a CameraSensorHelperOv8865 class. The gain coefficients are gleaned
from the datasheet; the lowest 7 bits are reported there as fractional
bits, so real gain is val/128.
Signed-off-by: Daniel Scally <djrscally@gmail.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Extend the CameraSensorHelper factory with support for the IMX258
sensor found in the Nautilus Chromebook.
The values are read by manually tweaking the IMX258 kernel driver.
The IMX258 kernel driver hints that the sensor may be compatible
with the MIPI CCS specification, as the register set matches.
The values for analog gain constants are obtained by reading the
register indexes, corresponding to the analog gain constants, as
mentioned in MIPI CCS v1.1 specification.
The values have further been confirmed by Dave Stevenson as being
those specified in the datasheet.
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The CamApp loopUsers_ member variable isn't initialized, which results
in random execution of the event loop. Fix it.
Fixes: caa6ffacb2fc ("cam: Reorganize run() function and merge the two event loops")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Tested-by: Umang Jain <umang.jain@ideasonboard.com>
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To allow testing capture from multiple cameras concurrently, turn the
--camera option into an array option, and create one CameraSession per
specified camera. The code is adapted to iterate over the sessions
vector instead of handling a single session. Thanks to all the
refactoring previously performed, changes are minimal.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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To prepare for multi-camera support, extend the file naming scheme for
captured frames to include the camera index in addition to the stream
name and frame number.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Use the new hierarchical options feature of the option parser to turn
camera-related option (--capture, --file, --stream, --strict-formats and
--metadata) into children of the --camera option. As an added bonus, we
don't need to check anymore if a camera has been specified when capture
is requested, as that's now enforced by the option parser.
This change prepares for support of multiple cameras.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The value of the --file option is the full name of the file to which
captured frames are written. To write files to a specific directory with
the default naming scheme, the "frame-#.bin" name has to appear at the
end of the file name. Simplify usage of the option by allowing --file to
specify a directory only. If the file name ends with a '/', the default
"frame-#.bin" file name is automatically appended.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Reorganize the run() function to make it more readable, and merge the
two event loops into one as capture and hotplug monitoring don't have to
be mutually exclusive.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The session_ member of the CamApp class is only needed in the run()
function. Make it a local variable.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The three CamApp functions listControls(), listProperties() and
infoConfiguration() operate on a camera. They would thus be better
placed in the CameraSession class. Move them there. As they now have no
error to return anymore, make them void functions.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Move creation of the camera session and setup of the hotplug monitoring
from the init() function to the run() function, to group all the code
that performs operations based on command line options in a single
place. The cleanup() call on session creation failure isn't required
anymore, as the cleanup() function is called unconditionally upon return
from run().
This change allows merging two different code blocks related to hotplug
monitoring.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The CamApp::cameraName() doesn't need to access any member of the CamApp
class. Make it static. While at it, drop an unneeded const from the
return value.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The EventLoop::exec() function returns the exit code of the event loop,
not an error status. Drop the corresponding error check and error
message.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Store the CameraManager instance in a unique_ptr to simplify memory
management and avoid leaks.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Continue moving towards making the CameraSession class the central point
to handle a camera by moving the camera acquire operation. A new
CameraSession::camera() function is needed to allow access to the camera
from CamApp.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Creating a configuration for a camera is an operation that logically
belongs to the CameraSession class. Move it there.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Move the local CameraSession variable from the CamApp::run() function to
a member variable of the CamApp class, created in CamApp::init(). This
is a first step towards moving code to the CameraSession class.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Store the BufferWriter and FrameBufferAllocator pointers in
std::unique_ptr<> instances to simplify memory management and avoid
leaks.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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To prepare for multiple concurrent camera sessions, move the event loop
exec() call from the CameraSession class to the CamApp class.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Make exiting the event loop the responsibility of the application, not
the camera session, to prepare for support of multiple camera sessions.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Don't pass the event loop to the CameraSession constructor, as passing
this global object explicitly isn't a design that can scale.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Rename the Capture class to CameraSession, to prepare for multi-camera
support that will gather more camera-related operations than capture in
that class.
While at it, remove an unneeded blank line.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The options parser currently ignores non-option arguments silently,
which is confusing. It's a common error to run 'cam -c1 -C 10' and
expect only 10 frames to be captured. As the -C option takes an optional
argument, the number 10 is interpreted as a non-option argument instead
of the argument to the -C option.
Fail parsing with an appropriate message and print usage information
when a non-option argument is found. The parser may be extended later to
accept non-option arguments when the application has a use for them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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The OptionValue toKeyValues() and toArray() functions return a copy of
the values. This is unnecessary, and can cause use-after-free issues
when taking references to the return values. Return references instead
to optimize the implementation and avoid issues.
The behaviour of the two functions is now undefined in case of an option
type mismatch. The current implementation catches this with an
assertion.
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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The roles() and updateConfiguration() functions check if the OptStream
OptionValue they receive is empty by first casting it to an array. To
prepare for the toArray() function not allowing such a cast when the
option value is empty, test if the option value is empty instead.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Add a convenience helper to check if an option value is empty, based on
the value type. This is useful as a shortcut syntax to check if an
option has been set.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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While OptionValue cast operators to int and std::string allow useful
shortcut syntaxes, the cast operators to KeyValueParser::Options and
std::vector<OptionValue> are less useful. A an explicit static_cast call
would be more cumbersome to write than an explicit .toKeyValues() or
toArray(), and implicit cast hide too much of what's going on.
Drop those two cast operators, and replace the only implicit cast
occurrence with .toKeyValues(). While at it, drop the local opts
variable in StreamKeyValueParser::roles() as it isn't used.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add support for creating a tree-based hieararchy of options instead of a
flat list. This is useful to support options that need to be interpreted
in the context of a particular occurrence of an array option.
The usage text automatically documents the options in their
corresponding context:
Options:
-c, --camera camera ... Specify which camera to operate on, by id or by index
-h, --help Display this help message
-I, --info Display information about stream(s)
-l, --list List all cameras
--list-controls List cameras controls
-p, --list-properties List cameras properties
-m, --monitor Monitor for hotplug and unplug camera events
Options valid in the context of --camera:
-C, --capture[=count] Capture until interrupted by user or until <count> frames captured
-F, --file[=filename] Write captured frames to disk
If the file name ends with a '/', it sets the directory in which
to write files, using the default file name. Otherwise it sets the
full file path and name. The first '#' character in the file name
is expanded to the camera index, stream name and frame sequence number.
The default file name is 'frame-#.bin'.
-s, --stream key=value[,key=value,...] ... Set configuration of a camera stream
height=integer Height in pixels
pixelformat=string Pixel format name
role=string Role for the stream (viewfinder, video, still, raw)
width=integer Width in pixels
--strict-formats Do not allow requested stream format(s) to be adjusted
--metadata Print the metadata for completed requests
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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When printing usage information for a key-value parser, the
documentation of the keys and values is printed in the second column of
the usage text:
-s, --stream key=value[,key=value,...] ... Set configuration of a camera stream
height=integer Height in pixels
pixelformat=string Pixel format name
role=string Role for the stream (viewfinder, video, still, raw)
width=integer Width in pixels
-h, --help Display this help message
This results in long lines. Improve this by moving the key description
to the first column, and aligning the value description as other option
description text:
-s, --stream key=value[,key=value,...] ... Set configuration of a camera stream
height=integer Height in pixels
pixelformat=string Pixel format name
role=string Role for the stream (viewfinder, video, still, raw)
width=integer Width in pixels
-h, --help Display this help message
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Copying the OptionsParser class would result in the optionsMap_ entries
pointing to Option entries of the original instance. As there's no use
case for copying the class, disable copying.
Disable copying of KeyValueParser as well for consistency as there's no
use case either.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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To prepare for code reuse, split the printing of options out of
OptionsParser::usage() to a separate function.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add an Option::optionName() function that returns a string describing
the option name, with leading dashes. As a result,
OptionsParser::parseValueError() function becomes a single-line function
and can be inlined in its caller.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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To prepare for usage of the OptionsParser::Options class in OptionValue,
move the definition of the OptionValue class after OptionsParser. There
is no functional change.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Before extending the option parser, document its existing API.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The Option structure is an internal implementation detail and shouldn't
be exposed in the API. Move it to options.cpp. This requires moving the
inline constructors and destructors for the KeyValueParser and
OptionsParser classes to options.cpp as well, as they need a full
definition of the Option structure.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The KeyValueParser::usage() function is meant to be called from an
OptionsParser or another KeyValueParser only. Make it private, and set
the OptionsParser class as a friend of the KeyValueParser class.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Some values for array sizes differ between v10 and v12, so set them
in init() and adjust the auto exposure algorithm to the ae value
from there.
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Reviewed-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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While populating the V4L2BufferCache, avoid the extra construction of
FrameBuffer, which is currently done by passing the vector of
FrameBuffer::Planes. It is not wrong per se, but futile to have another
construction of FrameBuffer from a copy of buffer->planes() for the
corresponding Entry.
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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For test purpose it's useful to run open-source IPA modules in
isolation. This can already be done by deleting the corresponding
signature file, but that method can be inconvenient. Add a way to force
IPA module isolation through a new LIBCAMERA_IPA_FORCE_ISOLATION
environment variable.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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The createIPA() template function starts with code that doesn't depend
on the template parameters. Split it to a non-template function to avoid
code duplication in the binary.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Fix a small spelling mistake in the ControlInfoMap documentation.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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This patch adds pixel format BGRX8888 to libcamera. Additionally adds
mapping of V4L2 pixel format (V4L2_PIX_FMT_XRGB32) to BGRX8888.
Signed-off-by: Vedant Paranjape <vedantparanjape160201@gmail.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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This patch fixes V4L2 pixel format for formats::XBGR8888 by updating
the existing matching to V4L2_PIX_FMT_RGBX32
Fixes: 4fd6bb33 ("libcamera: Add support for XRGB8888 and XBGR8888")
Signed-off-by: Vedant Paranjape <vedantparanjape160201@gmail.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The datasheet states that the low 7 bits are fraction bits.
real_gain = GainCode/128
For example, 0x080 is 1x gain, 0x100 is 2x gain.
It means that we should have m0=1 and c1=128.
Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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