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path: root/src/ipa/rpi/controller/rpi/alsc.cpp
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2023-11-22ipa: rpi: alsc: Do not allow zero colour ratio statisticsDavid Plowman
The algorithm computes R/G and B/G colour ratio statistics which we should not allow to go to zero because there is clearly no gain you could apply to R or B to equalise them. Instead flag such regions as having "insufficient data" in the normal manner. Signed-off-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2023-10-24ipa: rpi: alsc: Do not re-read the alsc.status metadataDavid Plowman
This was being re-read in order to determine what LSC gains had been applied. We can just retrieve these numbers from the prevAsyncResults_ instead. This will also enable other future algorithms to manipulate the LSC tables in the alsc.status, without it breaking the core ALSC algorithm here. Signed-off-by: David Plowman <david.plowman@raspberrypi.com> Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: Naushir Patuck <naush@raspberrypi.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2023-10-18ipa: rpi: Prepare ALSC for PiSP supportNaushir Patuck
Prepare the ALSC algorithm to support the PiSP hardware. The key change is to avoid factoring out the WB correction in the AWB zone statistics. Add the ALSC correction to the global metadata so that AWB can use it to factor the gains back in for the AWB calculations. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2023-05-04pipeline: ipa: raspberrypi: Refactor and move the Raspberry Pi codeNaushir Patuck
Split the Raspberry Pi pipeline handler and IPA source code into common and VC4/BCM2835 specific file structures. For the pipeline handler, the common code files now live in src/libcamera/pipeline/rpi/common/ and the VC4-specific files in src/libcamera/pipeline/rpi/vc4/. For the IPA, the common code files now live in src/ipa/rpi/{cam_helper,controller}/ and the vc4 specific files in src/ipa/rpi/vc4/. With this change, the camera tuning files are now installed under share/libcamera/ipa/rpi/vc4/. To build the pipeline and IPA, the meson configuration options have now changed from "raspberrypi" to "rpi/vc4": meson setup build -Dipas=rpi/vc4 -Dpipelines=rpi/vc4 Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>