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path: root/src/ipa/rkisp1/algorithms
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5 dayslibipa: Centralise Fixed / Floating point convertorsDaniel Scally
The rkisp1 IPA has some utility functions to convert between fixed and floating point numbers. Move those to libipa so they're available for use in other IPA modules too. Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2024-12-03rkisp1: Use Matrix class from libcameraStefan Klug
Use the Matrix class from libcamera/internal in the rkisp IPA so that the libipa one can be dropped later. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2024-11-26ipa: rkisp1: awb: Expand commentLaurent Pinchart
The RGB to YCbCr conversion matrix mentioned in a comment, coming from the hardware documentation, does not match any of the canonical matrices specified by any standard. While researching where the values came from, it became apparent they are likely Bt.601 limited range coefficients rounded to 6 bits of decimal precision. Record this in comments. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
2024-11-26ipa: rkisp1: awb: Use Vector and Matrix for linear algebraLaurent Pinchart
Replace the manual vector and matrix calculations with usage of the Vector and Matrix classes. This simplifies the code and improves readability. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
2024-11-26ipa: rkisp1: awb: Use RGB class to store colour gainsLaurent Pinchart
Replace the manual storage of gains in the IPA active state and frame context with usage of the RGB class. This simplifies the code thanks to usage of the arithmetic functions provided by the RGB class. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
2024-11-26ipa: libipa: colour: Use the RGB class to model RGB valuesLaurent Pinchart
The rec601LuminanceFromRGB() and estimateCCT() functions take RGB triplets as three variables. Replace them with instances of the RGB class and adapt the users accordingly. Only variables passed directly to these functions are converted to RGB instances, further conversion of IPA modules to the RGB class will be performed separately. While at it, fix a typo in the documentation of the estimateCCT() function. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
2024-11-26libcamera: Rename "shutter speed" to "exposure time"Laurent Pinchart
The terms "shutter" and "shutter speed" are used through libcamera to mean "exposure time". This is confusing, both due to "speed" being used as "time" while it should be the inverse (i.e. a maximum speed should correspond to the minimum time), and due to "shutter speed" and "exposure time" being used in different places with the same meaning. To improve clarity of the code base and the documentation, use "exposure time" consistently to replace "shutter speed". This rename highlighted another vocabulary issue in libcamera. The ExposureModeHelper::splitExposure() function used to document that it splits "exposure time into shutter time and gain". It has been reworded to "split exposure into exposure time and gain". That is not entirely satisfactory, as "exposure" has a defined meaning in photography (see https://en.wikipedia.org/wiki/Exposure_(photography)) that is not expressed as a duration. This issue if left to be addressed separately. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Naushir Patuck <naush@raspberrypi.com> Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-11-18ipa: rkisp1: Use centralised libipa helpersDaniel Scally
Use the centralised libipa helpers instead of open-coding common functions. Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Milan Zamazal <mzamazal@redhat.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2024-10-18ipa: rkisp1: algorithms: awb: Check for correct stats typeStefan Klug
Sometimes the ISP produces statistics only with a subset of statistic types being valid. It doesn't happen normally, but was observed in the wild. Check for the RKISP1_CIF_ISP_STAT_AWB bit to prevent using invalid or outdated data. As it doesn't happen regularly add an error message to get notified when it happens. For simpler code structure, the ColourTemperature metadata entry gets written unconditionally and overwritten later if needed. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-10-18ipa: rkisp1: algorithms: agc: Check for correct stats typeStefan Klug
Sometimes the ISP produces statistics only with a subset of statistic types being valid. It doesn't happen normally, but was observed in the wild. Check for the RKISP1_CIF_ISP_STAT_AUTOEXP bit to prevent using invalid or outdated data. As it doesn't happen regularly add an error message to get notified when it happens. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-09-23ipa: rkisp1: Add polynomial LSC loaderStefan Klug
Add a loader that is capable of loading polynomial coefficients from the tuning files. The polynomial is sampled at load time to reduce the computational overhead at runtime. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-09-23ipa: rkisp1: Move loader functions into helper classStefan Klug
In preparation for supporting polynomial LSC data, move the current loader into its own helper class. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2024-09-23ipa: rkisp1: Use interpolator in lscStefan Klug
Now, that the generic interpolator is available, use it to do the interpolation of the lens shading tables. This makes the algorithm easier to read and remove some duplicate code. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2024-09-23ipa: rkisp1: Use generic Interpolator classStefan Klug
Replace all occurrences of the MatrixInterpolator with the generic one. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2024-09-02libcamera: rkisp1: Formatting improvementsMilan Zamazal
The LSP autoformatter doesn't like some of the current formatting, let's make it happier. Note that not all of its suggestions were accepted because readability is preferred and adjusting .clang-format may not be easy or possible. Signed-off-by: Milan Zamazal <mzamazal@redhat.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2024-09-02libcamera: rkisp1: Remove unused includesMilan Zamazal
The includes that are not used can be removed. Signed-off-by: Milan Zamazal <mzamazal@redhat.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2024-08-27ipa: rkisp1: blc: Add support for BLS in compandPaul Elder
Extend the RkISP1 BLC algorithm to use the ISP 'companding' block for versions of the ISP (such as the one on the i.MX8MP) that lack the dedicated BLS block but implement BLS as part of the companding block. As access to the companding block requires the extensible parameters format, disable BLC when using the legacy parameters format on i.MX8MP to avoid crashes at runtime with older kernels. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
2024-08-27ipa: rkisp1: Use the new ISP parameters abstractionLaurent Pinchart
Use the new ISP parameters abstraction class RkISP1Params to access the ISP parameters in the IPA algorithms. The class replaces the pointer to the rkisp1_params_cfg structure passed to the algorithms' prepare() function, and is used to access individual parameters blocks. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
2024-07-24ipa: rkisp1: ccm: Ensure metadata contains valid ccmStefan Klug
When the colour temperature does not change between frames, the ccm inside the frame context is not updated and the metadata contains invalid data. Fix that by caching the ccm inside the active state. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> [Kieran: Remove spurious [[maybe_unused]] addition] Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-07-24ipa: rkisp1: ccm: Fix ccm metadata outputStefan Klug
Only the first three entries of the matrix were set. Fix that. Fixes: cbfdfa42cacc ("ipa: rkisp1: algorithms: Add crosstalk algorithm") Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-07-24ipa: rkisp1: awb: Unconditionally fill metadataStefan Klug
When the colour temperature estimation gets skipped, the metadata isn't populated. Fix that by filling the metadata early in the function. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-07-24ipa rkisp1: Remove temperatureK from FrameContextStefan Klug
The frame context is used to store data used for processing that frame. It is later used to either act as input for other algorithms or to fill the metadata. For the colour temperature this is not needed, as the meatadata shall not contain the value that was active when the image was processed, but the value that was calculated based on the statistics for that image. This is no functional change. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-07-24ipa: rkisp1: awb: Clamp gains to machine limitsStefan Klug
When the color gains are set manually it is possible to specify a gain that wrapped the hardware limits. It would also be possible to further tune the floating point limits, but that is an error prone approach. So the limits are imposed on the integers, just before writing to the hardware. This noticeably reduces some oscillations in the awb regulation. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-07-04ipa: rkisp1: blc: Drop [[maybe_unused]] attributeLaurent Pinchart
The context parameter of the BlackLevelCorrection::init() function is used. Drop the [[maybe_unused]] attribute. Fixes: 50c28e135100 ("ipa: rkisp1: blc: Query black levels from camera sensor helper") Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2024-07-03ipa: rkisp1: blc: Report sensor black levels in metadataStefan Klug
Add sensor black levels to the metadata of the rkisp1 pipeline. Additionally enable raw support for this algorithm and add it to uncalibrated.yaml, so that black levels get reported when capturing tuning images. This is a bit of a hack, because no actual black level correction is taking place in raw mode, but it is the easiest way to get blacklevel reported for raw streams. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2024-07-03ipa: rkisp1: blc: Query black levels from camera sensor helperStefan Klug
As the camera sensor helper now has the ability to provide the black level, use it. Black levels can still be overwritten by the tuning file, but the direction is to remove them from the tuning files and move them into the sensor helpers. Additionally interpret all values based on 16bits. The conversion to the scale required by the hardware is done in process(). It ensures all the values inside libcamera are the same scale and is in preparation for the i.MX8MP where black levels are based on a 20bit scale. Note that this breaks existing tuning files. The tuning files distributed with libcamera will be fixed in a later patch. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2024-06-24ipa: rkisp1: agc: Rename frame context update variable to updateMeteringLaurent Pinchart
The frame context agc.update variable is used to indicate if the ISP histogram metering parameters need to be updated. Rename it to updateMetering to make usage more explicit. Suggested-by: Paul Elder <paul.elder@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-06-17ipa: rkisp1: agc: Move AeEnable control to the AGC algorithmLaurent Pinchart
The AGC algorithm implements the AeEnable control at runtime. Move the declaration of the control from the IPA module to the algorithm. 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>
2024-06-17ipa: rkisp1: agc: Correctly clamp maximum shutter speedLaurent Pinchart
The sensor's maximum shutter speed is clamped by the maximum frame duration specified in requests. If the requested maximum frame duration is lower than the sensor's minimum shutter speed, the Agc::process() function will pass a minimum value higher than the maximum to the setLimits() function, resulting in an assertion failure. Fix it by clamping the value to both the lower and the upper bounds. 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>
2024-06-17ipa: rkisp1: agc: Rename maxShutterSpeed to maxFrameDurationLaurent Pinchart
The AGC active state and frame context both contain a variable named maxShutterSpeed. The variable is used to limit the maximum shutter speed when computing the exposure time and gains, but stores the maximum frame duration, not clamped by the sensor's maximum shutter speed. Rename it to maxFrameDuration. 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>
2024-06-17ipa: rkisp1: agc: Use mode from frame context to calculate new EVLaurent Pinchart
The effective exposure value for each frame is split into shutter time, analog gain and digital gain based on the AGC constraint mode and exposure mode. The algorithm uses the modes from the active state, which tracks the latest queued request, instead of the frame context, which tracks the value of the controls requested for that frame. Fix it by using the correct modes. 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>
2024-06-17ipa: rkisp1: agc: Simplify predivider calculationLaurent Pinchart
The condition if (std::pow(std::floor(root), 2) < factor) predivider = static_cast<uint8_t>(std::ceil(root)); else predivider = static_cast<uint8_t>(std::floor(root)); can only be false when the factor's root is an integer. In that case, std::ceil(root) and std::floor(root) will be equal. The computation can thus be simplified by always rounding up. 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>
2024-06-17ipa: rkisp1: agc: Don't update histogram parameters unnecessarilyLaurent Pinchart
The ISP histogram parameters depends on the AE metering mode, but not on the other AE algorithm controls. The exposure mode, constraints mode and frame duration limits influence the behaviour of the algorithm, but not the histogram computation parameters. Update the histogram parameters only when AE metering mode changes. 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>
2024-06-17ipa: rkisp1: agc: Make size argument to computeHistogramPredivider constLaurent Pinchart
The Agc::computeHistogramPredivider() function doesn't need to modify its size 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>
2024-06-17ipa: rkisp1: agc: Fix initialization without metering modesLaurent Pinchart
When no metering modes are specified in the tuning file, the AGC initialzation fails with [0:00:46.148508875] [209] ERROR RkISP1Agc agc.cpp:46 'AeMeteringMode' parameter not found in tuning file which results in a camera initialization failure. Fix it by downgrading the error into a warning, and continuing the AGC initialization with the default metering mode. Fixes: 35233938ee5d ("ipa: rkisp1: agc: Read histogram weights from tuning file") 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>
2024-06-17ipa: rkisp1: algorithms: Add crosstalk algorithmPaul Elder
Add an algorithm module to the rkisp1 IPA for crosstalk correction. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.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>
2024-06-14ipa: rkisp1: agc: Plumb mode-selection and frame duration controlsPaul Elder
Plumb controls for setting metering mode, exposure mode, constraint mode, and frame duration limits. Also report them as available controls, as well as in metadata. While at it, add the missing #include for tuple, as a std::tie is used. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-06-14ipa: rkisp1: agc: Read histogram weights from tuning filePaul Elder
Add support to the rkisp1 AGC to read histogram weights from the tuning file. As controls for selecting the metering mode are not yet supported, for now hardcode the matrix metering mode, which is the same as what the AGC previously hardcoded. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
2024-06-13ipa: rkisp1: cproc: Drop incorrect [[maybe_unused]]Stefan Klug
A few function parameters are marked with [[maybe_unused]] but are actually used. Drop the attribute. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.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>
2024-06-13ipa: rkisp1: cproc: Merge identical functionsStefan Klug
convertContrast() and convertSaturation() are equal. Merge them into one. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.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>
2024-06-13ipa: rkisp1: cproc: Use anonymous namespace to limit symbol visibilityStefan Klug
Use a anonymous namespace instead of the static keyword to limity symbol visibility. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.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>
2024-06-12ipa: rkisp1: goc: Avoid use of auto for short typeLaurent Pinchart
Replace one occurrence of the auto type qualifier with the explicit type it represents to increase readability. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-06-12ipa: rkisp1: goc: Mark default gamma table as static constexprLaurent Pinchart
The values for the default gamma table are stored in an array that is never modified. Mark it as static constexpr to facilitate optimizations. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-06-12ipa: rkisp1: goc: Use copydocLaurent Pinchart
Use the Doygen \copydoc command instead of duplicating documentation. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-06-12ipa: rkisp1: goc: Drop incorrect [[maybe_unused]]Laurent Pinchart
A few function parameters are marked with [[maybe_unused]] but are actually used. Drop the attribute. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-06-12ipa: rkisp1: goc: Fix typographical issues in documentation.Laurent Pinchart
Fix a few assorted typographical issues: - Sentences should end with a period. - Paragraphs should be separated by a blank line, and there should be no line break within a paragraph. - Doxygen lists need a list marker ('-' or '*', use '-' here). Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-06-11pipeline: rkisp1: cproc: Fix default value handlingStefan Klug
Default control values were not applied to activeState. This had no negative side effects in the first place, as the hardware defaults were used. The issue became visible, when only one of the controls was set at runtime. In that case the params for the other values were overwritten with 0 (reset value of activeState) resulting in a black image. While at it, only add the controls to the controls map if the algorithm is contained in the tuning file. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2024-06-11ipa: rkisp1: Add GammaOutCorrection algorithmStefan Klug
Add a gamma algorithm for the rkisp1. It defaults to a gamma of 2.2 which closely resembles sRGB. No seperate sRGB mode was implemented because the pwl that models the gamma curve is so coarse that there is basically no difference between srgb and gamma=2.2. The default can be overridden within the tuning file or set at runtime using the gamma control. The gamma algorithm is not enabled by default. This will be done in future tuning file updates. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2024-05-09ipa: rkisp1: agc: Fix histogram constructionPaul Elder
This histogram reported by the rkisp1 hardware is 20 bits, where the upper 16 bits are meaningful integer data and the lower 4 bits are fractional and meant to be discarded. Remove these 4 bits when construction the histogram. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2024-05-08libcamera: Drop file name from header comment blocksLaurent Pinchart
Source files in libcamera start by a comment block header, which includes the file name and a one-line description of the file contents. While the latter is useful to get a quick overview of the file contents at a glance, the former is mostly a source of inconvenience. The name in the comments can easily get out of sync with the file name when files are renamed, and copy & paste during development have often lead to incorrect names being used to start with. Readers of the source code are expected to know which file they're looking it. Drop the file name from the header comment block. The change was generated with the following script: ---------------------------------------- dirs="include/libcamera src test utils" declare -rA patterns=( ['c']=' \* ' ['cpp']=' \* ' ['h']=' \* ' ['py']='# ' ['sh']='# ' ) for ext in ${!patterns[@]} ; do files=$(for dir in $dirs ; do find $dir -name "*.${ext}" ; done) pattern=${patterns[${ext}]} for file in $files ; do name=$(basename ${file}) sed -i "s/^\(${pattern}\)${name} - /\1/" "$file" done done ---------------------------------------- This misses several files that are out of sync with the comment block header. Those will be addressed separately and manually. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>