libtuning: modules: Add initial CCM module

Implement a minimal ccm calibration module. For now it doesn't take the
results from lsc into account and supports rkisp1 only.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>

utils/tuning/libtuning/modules/ccm/__init__.py

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com>
+
+from libtuning.modules.ccm.ccm import CCM
+from libtuning.modules.ccm.rkisp1 import CCMRkISP1

utils/tuning/libtuning/modules/ccm/ccm.py

@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com>
+# Copyright (C) 2024, Ideas on Board
+#
+# Base Ccm tuning module
+
+from ..module import Module
+
+from libtuning.ctt_ccm import ccm
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class CCM(Module):
+    type = 'ccm'
+    hr_name = 'CCM (Base)'
+    out_name = 'GenericCCM'
+
+    def __init__(self, debug: list):
+        super().__init__()
+
+        self.debug = debug
+
+    def do_calibration(self, images):
+        logger.info('Starting CCM calibration')
+
+        imgs = [img for img in images if img.macbeth is not None]
+
+        # todo: Take LSC calibration results into account.
+        cal_cr_list = None
+        cal_cb_list = None
+
+        try:
+            ccms = ccm(imgs, cal_cr_list, cal_cb_list)
+        except ArithmeticError:
+            logger.error('CCM calibration failed')
+            return None
+
+        return ccms

utils/tuning/libtuning/modules/ccm/rkisp1.py

@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com>
+# Copyright (C) 2024, Ideas on Board
+#
+# Ccm module for tuning rkisp1
+
+from .ccm import CCM
+
+
+class CCMRkISP1(CCM):
+    hr_name = 'Crosstalk Correction (RkISP1)'
+    out_name = 'Ccm'
+
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+
+    # We don't need anything from the config file.
+    def validate_config(self, config: dict) -> bool:
+        return True
+
+    def process(self, config: dict, images: list, outputs: dict) -> dict:
+        output = {}
+
+        ccms = self.do_calibration(images)
+        output['ccms'] = ccms
+
+        return output

utils/tuning/rkisp1.py

@@ -14,6 +14,7 @@ from libtuning.parsers import YamlParser
 from libtuning.generators import YamlOutput
 from libtuning.modules.lsc import LSCRkISP1
 from libtuning.modules.agc import AGCRkISP1
+from libtuning.modules.ccm import CCMRkISP1
 
 
 coloredlogs.install(level=logging.INFO, fmt='%(name)s %(levelname)s %(message)s')
@@ -39,9 +40,10 @@ tuner.add(LSCRkISP1(
           smoothing_function=lt.smoothing.MedianBlur(3),
           ))
 tuner.add(AGCRkISP1(debug=[lt.Debug.Plot]))
+tuner.add(CCMRkISP1(debug=[lt.Debug.Plot]))
 tuner.set_input_parser(YamlParser())
 tuner.set_output_formatter(YamlOutput())
-tuner.set_output_order([AGCRkISP1, LSCRkISP1])
+tuner.set_output_order([AGCRkISP1, CCMRkISP1, LSCRkISP1])
 
 if __name__ == '__main__':
     sys.exit(tuner.run(sys.argv))