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\n\tWed, 06 May 2026 16:06:51 -0700 (PDT)","From":"d3vv3 ","To":"libcamera-devel@lists.libcamera.org","Subject":"[PATCH v2 04/10] ipa: simple: data: Add OV01A10 tuning file","Date":"Thu, 7 May 2026 01:06:43 +0200","Message-ID":"<20260506230649.1040794-5-devve.3@gmail.com>","X-Mailer":"git-send-email 2.54.0","In-Reply-To":"<20260506230649.1040794-1-devve.3@gmail.com>","References":"<20260506230649.1040794-1-devve.3@gmail.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Add tuning data for the OmniVision OV01A10 sensor, calibrated from the\nfactory-supplied Intel IPU6 AIQB binary (ov01a_1BG101N3_MTL.aiqb)\nshipped\nwith the Dell XPS 9320 (Meteor Lake).\n\nThe AIQB binary was parsed with some custom scripts to extract:\n- 8 colour correction matrices spanning 2856K-7500K (Incandescent to\nD75),\n all with rows summing to 1.0 (luminance-preserving)\n- AWB neutral locus: 9 achromatic R/G, B/G points defining the sensor's\n white balance response across illuminants\n- Sensor properties: 1280x800, 10-bit, GBRG colour order, base ISO 43\n- Noise model: read noise variance 7.5e-5, shot noise slope 0.187\n\nThe AWB gain limits (maxGainR: 2.5, maxGainB: 3.2) are derived from the\nmaximum gains required to neutralise the warmest and coolest illuminants\nin the locus, with 10% headroom.\n\nSigned-off-by: d3vv3 \n---\n src/ipa/simple/data/meson.build | 1 +\n src/ipa/simple/data/ov01a10.yaml | 55 ++++++++++++++++++++++++++++++++\n 2 files changed, 56 insertions(+)\n create mode 100644 src/ipa/simple/data/ov01a10.yaml","diff":"diff --git a/src/ipa/simple/data/meson.build b/src/ipa/simple/data/meson.build\nindex 92795ee4..e6110320 100644\n--- a/src/ipa/simple/data/meson.build\n+++ b/src/ipa/simple/data/meson.build\n@@ -1,6 +1,7 @@\n # SPDX-License-Identifier: CC0-1.0\n \n conf_files = files([\n+ 'ov01a10.yaml',\n 'uncalibrated.yaml',\n ])\n \ndiff --git a/src/ipa/simple/data/ov01a10.yaml b/src/ipa/simple/data/ov01a10.yaml\nnew file mode 100644\nindex 00000000..d1f613c5\n--- /dev/null\n+++ b/src/ipa/simple/data/ov01a10.yaml\n@@ -0,0 +1,55 @@\n+# SPDX-License-Identifier: CC0-1.0\n+%YAML 1.1\n+---\n+version: 1\n+algorithms:\n+ # Black level is not specified in the AIQB calibration binary; auto-detected\n+ # from the histogram dark end at runtime.\n+ - BlackLevel:\n+ - Awb:\n+ maxGainR: 2.5\n+ maxGainB: 3.2\n+ speed: 0.25\n+ - Ccm:\n+ ccms:\n+ - ct: 2856\n+ ccm: [ 1.1248, 0.2210, -0.3458,\n+ -0.4616, 1.7736, -0.3120,\n+ -0.4342, -0.9348, 2.3690 ]\n+ - ct: 3000\n+ ccm: [ 1.5839, -0.4188, -0.1650,\n+ -0.3670, 1.6565, -0.2895,\n+ -0.1213, -1.0442, 2.1655 ]\n+ - ct: 3450\n+ ccm: [ 1.6411, -0.5127, -0.1284,\n+ -0.3680, 1.6337, -0.2657,\n+ -0.1384, -1.0869, 2.2253 ]\n+ - ct: 4000\n+ ccm: [ 1.5414, -0.4024, -0.1390,\n+ -0.3304, 1.6352, -0.3048,\n+ -0.1237, -0.6699, 1.7936 ]\n+ - ct: 4150\n+ ccm: [ 1.7334, -0.6629, -0.0706,\n+ -0.3121, 1.6267, -0.3146,\n+ -0.0920, -0.9183, 2.0103 ]\n+ - ct: 5000\n+ ccm: [ 1.5015, -0.3165, -0.1850,\n+ -0.2277, 1.6190, -0.3913,\n+ -0.0699, -0.7285, 1.7984 ]\n+ - ct: 6500\n+ ccm: [ 1.8163, -0.7062, -0.1100,\n+ -0.1640, 1.5736, -0.4096,\n+ -0.0084, -0.8294, 1.8378 ]\n+ - ct: 7500\n+ ccm: [ 1.8953, -0.7980, -0.0973,\n+ -0.1539, 1.6001, -0.4462,\n+ -0.0101, -0.7800, 1.7902 ]\n+ - Adjust:\n+ gamma: 2.2\n+ contrast: 1.0\n+ saturation: 1.0\n+ - Agc:\n+ exposureTarget: 2.5\n+ hysteresis: 0.2\n+ stepDenominator: 20\n+...\n","prefixes":["v2","04/10"]}