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2020-05-13utils: raspberrypi: ctt: Fix pycodestyle E225Laurent Pinchart
E225 missing whitespace around operator Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
2020-05-13utils: raspberrypi: ctt: Fix pycodestyle E128Laurent Pinchart
E128 continuation line under-indented for visual indent Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
2020-05-13utils: raspberrypi: ctt: Fix pycodestyle E251Laurent Pinchart
E251 unexpected spaces around keyword / parameter equals Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
2020-05-13utils: raspberrypi: ctt: Fix pycodestyle E211Laurent Pinchart
E211 whitespace before '[' Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
2020-05-13utils: raspberrypi: ctt: Fix pycodestyle E241Laurent Pinchart
E241 multiple spaces after ':' E241 multiple spaces after ',' Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
2020-05-13utils: raspberrypi: ctt: Fix pycodestyle E203Laurent Pinchart
E203 whitespace before ':' Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
2020-05-13utils: raspberrypi: ctt: Fix pycodestyle E201 and E202Laurent Pinchart
E201 whitespace after '(' E201 whitespace after '{' E201 whitespace after '[' E202 whitespace before '}' E202 whitespace before ']' Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
2020-05-13utils: raspberrypi: ctt: Fix pycodestyle E231Laurent Pinchart
E231 missing whitespace after ',' E231 missing whitespace after ':' Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
2020-05-13licenses: License all meson files under CC0-1.0Laurent Pinchart
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>
2020-05-12libcamera: proxy: Relicense proxy worker under LGPLLaurent Pinchart
The proxy worker is licensed under the GPL. It is compiled as a binary separate from libcamera.so, and it is our understanding and intent that the GPL license doesn't propagate to libcamera.so. However, as the worker is executed by libcamera.so, the GPL license may cause concerns in this context, regardless of whether the concerns are valid or not. This uncertainty could be addressed by a combination of a legal review and an explicit intent clarification from the copyright holders. A simpler option is to relicense the code under the LGPL. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Acked-by: Jacopo Mondi <jacopo@jmondi.org> Acked-by: Paul Elder <paul.elder@ideasonboard.com>
2020-05-12ipa: Drop v4l2_controls.h from ipa_interface.hLaurent Pinchart
The v4l2_controls.h header is internal, and isn't needed by ipa_interface.h. It originates from the days when V4L2 controls were handled through a different API. Drop it. Fixes: 319d6ae8e3ad ("libcamera: controls: Merge ControlInfoMap and V4L2ControlInfoMap") Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-05-11libcamera: raspberrypi: Add components to meson buildNaushir Patuck
Add the Raspberry Pi pipeline handler and IPA as targets in the meson build system. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-05-11libcamera: utils: Raspberry Pi Camera Tuning ToolNaushir Patuck
Initial implementation of the Raspberry Pi (BCM2835) Camera Tuning Tool. All code is licensed under the BSD-2-Clause terms. Copyright (c) 2019-2020 Raspberry Pi Trading Ltd. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-05-11libcamera: ipa: Raspberry Pi IPANaushir Patuck
Initial implementation of the Raspberry Pi (BCM2835) libcamera IPA and associated libraries. All code is licensed under the BSD-2-Clause terms. Copyright (c) 2019-2020 Raspberry Pi Trading Ltd. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-05-11libcamera: pipeline: Raspberry Pi pipeline handlerNaushir Patuck
Initial implementation of the Raspberry Pi (BCM2835) ISP pipeline handler. All code is licensed under the BSD-2-Clause terms. Copyright (c) 2019-2020 Raspberry Pi Trading Ltd. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-05-11include: uapi: Add header definitions for BCM2835 Unicam and ISP blocksNaushir Patuck
This commit adds the headers and definitions required for the bcm2835_isp and bcm2835_unicam kernel modules. The headers come from patches recently posted to the linux-media@vger.kernel.org mailing list to add the Unicam and ISP peripherals drivers to the kernel. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-05-11LICENSES: Add BSD-2-Clause licenseLaurent Pinchart
In preparation for new code covered by the BSD-2-Clause license, add it to the LICENSES directory. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-05-11meson: Use files() instead of find_program() for internal scriptsLaurent Pinchart
Using find_program() to locate scripts part of the source tree causes meson to print messages at setup time for each of those scripts: Program ipa-sign.sh found: YES (/home/user/src/libcamera/src/ipa/ipa-sign.sh) This pollutes the meson setup log with useless messages, as we know the scripts are present. Use files() instead to avoid this. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-05-11Documentation: coding-style: Fix ordered listsLaurent Pinchart
The syntax used for ordered lists is incorrect. Fix it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-05-10libcamera: pipeline: simple: Support multiple capture video nodesLaurent Pinchart
The simple pipeline handler rejects devices that have multiple capture video nodes. There's no real reason to do so, a more dynamic approach is possible as the pipeline handler already locates the video device by walking the media graph. Rework the match sequence by skipping any check on the video nodes, and create the V4L2VideoDevice for the media entity at the end of the pipeline when initializing the camera data. The V4L2VideoDevice instances are managed by the pipeline handler itself, to avoid creating separate instances in the camera data if multiple sensors are routed to the same video device. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Andrey Konovalov <andrey.konovalov@linaro.org> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-05-10libcamera: pipeline: simple: Integrate converter supportLaurent Pinchart
Add support for an optional format converter, supported by the SimpleConverter class. If a converter is available for the pipeline, it will be used to expose additional pixel formats. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-05-10libcamera: pipeline: simple: Add simple format converterLaurent Pinchart
The simple format converter supports V4L2 M2M devices that convert pixel formats. 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>
2020-05-10libcamera: pipeline: Add a simple pipeline handlerMartijn Braam
This new pipeline handler aims at supporting any simple device without requiring any device-specific code. Simple devices are currently defined as a graph made of one or multiple camera sensors and a single video node, with each sensor connected to the video node through a linear pipeline. The simple pipeline handler will automatically parse the media graph, enumerate sensors, build supported stream configurations, and configure the pipeline, without any device-specific knowledge. It doesn't support configuration of any processing in the pipeline at the moment, but may be extended to support simple processing such as format conversion or scaling in the future. The only device-specific information in the pipeline handler is the list of supported drivers, required for device matching. We may be able to remove this in the future by matching with the simple pipeline handler as a last resort option, after all other pipeline handlers have been tried. Signed-off-by: Martijn Braam <martijn@brixit.nl> 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> Reviewed-by: Andrey Konovalov <andrey.konovalov@linaro.org>
2020-05-10libcamera: v4l2_videodevice: Support filtering formats by media bus codeLaurent Pinchart
Add support for the recent V4L2 extension to VIDIOC_ENUM_FMT that allows filtering pixel formats by media bus codes. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-05-10include: linux: Extend VIDIOC_ENUM_FMT to support MC-centric devicesLaurent Pinchart
This integrates the Linux kernel upstream commits e5b6b07a1b45 ("media: v4l2: Extend VIDIOC_ENUM_FMT to support MC-centric devices") and f645e6256bd1 ("media: v4l2-dev/ioctl: Add V4L2_CAP_IO_MC") that are scheduled for v5.8. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-05-10pkgconfig: Fix include directory pathNicolas Dufresne
Should be $includedir/libcamera, as we install into a subdirectory name 'libcamera'. This is fixed by passing the 'subdirs' argument to the pkgconfig generator. Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-05-10android: hal: License camera3_hal.cpp as LGPL-2.1-or-laterLaurent Pinchart
The camera3_hal.cpp is incorrectly licensed as GPL-2.0-or-later, instead of LGPL-2.1-or-later as the rest of the HAL implementation. Fix it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Jacopo Mondi <jacopo@jmondi.org>
2020-05-04qcam: dng_writer: Write EXIF IFD as custom directoryLaurent Pinchart
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>
2020-05-03libcamera: camera_sensor: Relax restriction on sizesLaurent Pinchart
The CameraSensor class assumes that camera sensors support the exact same list of sizes of all media bus codes. While allowing a simpler API, this assumption is incorrect and is blocking usage of some camera sensors. Relaxing the constraint is possible without changes to the CameraSensor API syntax, but requires changing its semantics. The sizes() function now returns the list of all sizes for all media bus codes, and the getFormat() function now searches in all supported media bus codes. The former is likely not the most useful option for pipeline handlers, but the sizes() function is currently unused. Designing a better API will require inspecting current and expected future use cases in pipeline handlers to determine proper heuristics. While at it, fix a small typo in an unrelated comment. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-05-03qcam: dng_writer: Remove colon from \todoNiklas Söderlund
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>
2020-05-03qcam: dng_writer: Generate thumbnail in RGB formatLaurent Pinchart
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>
2020-05-03qcam: dng_writer: Populate DNG tags from metadataLaurent Pinchart
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>
2020-05-03qcam: dng_writer: Output thumbnailLaurent Pinchart
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>
2020-05-03qcam: dng_writer: Name arguments to packScanline()Laurent Pinchart
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>
2020-05-03qcam: Pass request metadata to DNG writerLaurent Pinchart
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>
2020-05-03libcamera: camera_sensor: Prepare for multi-subdev camera sensorsLaurent Pinchart
While most camera sensors are exposed to userspace as a single subdev, this is not always the case. A notable exception is the smiapp driver, which exposes two or three subdevs. The subdev at the output of the camera sensor will thus have more than one pad. Prepare for this by removing the single-pad restriction, and locating the source pad dynamically. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-05-03libcamera: camera_sensor: Store subdevice in std::unique_ptrLaurent Pinchart
Avoid the need for a manual delete in the destructor by using a unique pointer. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-05-03libcamera: camera_sensor: Access entity directlyLaurent Pinchart
The CameraSensor::logPrefix() function accesses the entity from the subdev. Remove the level of indirection as we stored a pointer to the entity internally. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-05-03qcam: dng_writer: Fix missing field nameNiklas Söderlund
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>
2020-05-02qcam: Add RAW capture supportNiklas Söderlund
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>
2020-05-02qcam: Add DNGWriterNiklas Söderlund
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>
2020-05-02qcam: Allow for a second raw stream to be configuredNiklas Söderlund
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>
2020-05-02libcamera: vimc: Adjust crop rectangleJacopo Mondi
Since the Linux kernel commit: 69e39d40587b ("media: vimc: Implement get/set selection in sink") the crop rectangle on the VIMC scaler sink pad needs to be reset to match the requested format to avoid hitting a pipeline format misconfiguration when the applied format is larger than the one set in a previous capture session. As the V4L2 specification is not clear on what the correct behaviour is, if the crop rectangle should be reset automatically or not on a set_fmt operation, momentary fix the pipeline handler to please the driver and manually reset the crop rectangle. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-05-02libcamera: pipeline: vimc: Store media device pointer in camera dataLaurent Pinchart
Store the MediaDevice for the VIMC instance in the VimcCameraData class. This will be used to check the media device version at runtime. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-05-02libcamera: media_device: Expose media device API version numberLaurent Pinchart
Add a MediaDevice::version() function to expose the media device API version number. This can be useful to support driver API changes in pipeline handlers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-05-01libcamera: stream: Expose stride valueNiklas Söderlund
Expose the image stride which may be retrieved after a video device has been configured. It may only be retrieved at that point as the assignment of video devices takes place at this point. In the future video devices should be assigned at configuration validation time and the stride value retrieved at that point. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-05-01libcamera: Add Python cache and compiled files to .gitignoreLaurent Pinchart
To prepare for more widespread use of Python in libcamera, ignore Python cache and compiled files produced when importing modules directly from the source tree. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-05-01libcamera: Set -Wno-psabi on gcc 7 and 8 for armLaurent Pinchart
gcc 7.1 introduced processor-specific ABI breakages related to parameter passing on ARM platforms. This generates a large number of messages during compilation with gcc >=7.1 until gcc 9. Silence them. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-05-01qcam: Check that camera can generate configuration from rolesNiklas Söderlund
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>
2020-05-01qcam: Make use of StreamKeyValueParserNiklas Söderlund
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>
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-23 05:35:10 +0000