An attempt at getting image data back

spider-cam/libcamera/utils/tuning/libtuning/modules/agc/__init__.py

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+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com>
+
+from libtuning.modules.agc.agc import AGC
+from libtuning.modules.agc.rkisp1 import AGCRkISP1

spider-cam/libcamera/utils/tuning/libtuning/modules/agc/agc.py

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+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (C) 2019, Raspberry Pi Ltd
+# Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com>
+
+from ..module import Module
+
+import libtuning as lt
+
+
+class AGC(Module):
+    type = 'agc'
+    hr_name = 'AGC (Base)'
+    out_name = 'GenericAGC'
+
+    # \todo Add sector shapes and stuff just like lsc
+    def __init__(self, *,
+                 debug: list):
+        super().__init__()
+
+        self.debug = debug

spider-cam/libcamera/utils/tuning/libtuning/modules/agc/rkisp1.py

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+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (C) 2019, Raspberry Pi Ltd
+# Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com>
+#
+# rkisp1.py - AGC module for tuning rkisp1
+
+from .agc import AGC
+
+import libtuning as lt
+
+
+class AGCRkISP1(AGC):
+    hr_name = 'AGC (RkISP1)'
+    out_name = 'Agc'
+
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+
+    # We don't actually need anything from the config file
+    def validate_config(self, config: dict) -> bool:
+        return True
+
+    def _generate_metering_modes(self) -> dict:
+        centre_weighted = [
+            0, 0,  0, 0, 0,
+            0, 6,  8, 6, 0,
+            0, 8, 16, 8, 0,
+            0, 6,  8, 6, 0,
+            0, 0,  0, 0, 0
+        ]
+
+        spot = [
+            0, 0,  0, 0, 0,
+            0, 2,  4, 2, 0,
+            0, 4, 16, 4, 0,
+            0, 2,  4, 2, 0,
+            0, 0,  0, 0, 0
+        ]
+
+        matrix = [1 for i in range(0, 25)]
+
+        return {
+            'MeteringCentreWeighted': centre_weighted,
+            'MeteringSpot': spot,
+            'MeteringMatrix': matrix
+        }
+
+    def _generate_exposure_modes(self) -> dict:
+        normal = {'shutter': [100, 10000, 30000, 60000, 120000],
+                  'gain': [2.0, 4.0, 6.0, 6.0, 6.0]}
+        short = {'shutter': [100, 5000, 10000, 20000, 120000],
+                 'gain': [2.0, 4.0, 6.0, 6.0, 6.0]}
+
+        return {'ExposureNormal': normal, 'ExposureShort': short}
+
+    def _generate_constraint_modes(self) -> dict:
+        normal = {'lower': {'qLo': 0.98, 'qHi': 1.0, 'yTarget': 0.5}}
+        highlight = {
+            'lower': {'qLo': 0.98, 'qHi': 1.0, 'yTarget': 0.5},
+            'upper': {'qLo': 0.98, 'qHi': 1.0, 'yTarget': 0.8}
+        }
+
+        return {'ConstraintNormal': normal, 'ConstraintHighlight': highlight}
+
+    def _generate_y_target(self) -> list:
+        return 0.5
+
+    def process(self, config: dict, images: list, outputs: dict) -> dict:
+        output = {}
+
+        output['AeMeteringMode'] = self._generate_metering_modes()
+        output['AeExposureMode'] = self._generate_exposure_modes()
+        output['AeConstraintMode'] = self._generate_constraint_modes()
+        output['relativeLuminanceTarget'] = self._generate_y_target()
+
+        # \todo Debug functionality
+
+        return output