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{
    "id": 19764,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/19764/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/19764/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
        "list_email": "libcamera-devel@lists.libcamera.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20240319123622.675599-8-mzamazal@redhat.com>",
    "date": "2024-03-19T12:35:54",
    "name": "[v6,07/18] libcamera: software_isp: Add Debayer base class",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "483dff0a06b279a993239fdaa790d6d806254f77",
    "submitter": {
        "id": 177,
        "url": "https://patchwork.libcamera.org/api/1.1/people/177/?format=api",
        "name": "Milan Zamazal",
        "email": "mzamazal@redhat.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/19764/mbox/",
    "series": [
        {
            "id": 4231,
            "url": "https://patchwork.libcamera.org/api/1.1/series/4231/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4231",
            "date": "2024-03-19T12:35:47",
            "name": "libcamera: introduce Software ISP and Software IPA",
            "version": 6,
            "mbox": "https://patchwork.libcamera.org/series/4231/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/19764/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/19764/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>",
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        "X-MC-Unique": "UL_lyKubOX-7Hk1H5L4_yw-1",
        "From": "Milan Zamazal <mzamazal@redhat.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Hans de Goede <hdegoede@redhat.com>,\n\tAndrey Konovalov <andrey.konovalov.ynk@gmail.com>,\n\tBryan O'Donoghue <bryan.odonoghue@linaro.org>,\n\tMaxime Ripard <mripard@redhat.com>, Milan Zamazal <mzamazal@redhat.com>, \n\tPavel Machek <pavel@ucw.cz>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>,\n\tDennis Bonke <admin@dennisbonke.com>,\n\tAndrey Konovalov <andrey.konovalov@linaro.org>",
        "Subject": "[PATCH v6 07/18] libcamera: software_isp: Add Debayer base class",
        "Date": "Tue, 19 Mar 2024 13:35:54 +0100",
        "Message-ID": "<20240319123622.675599-8-mzamazal@redhat.com>",
        "In-Reply-To": "<20240319123622.675599-1-mzamazal@redhat.com>",
        "References": "<20240319123622.675599-1-mzamazal@redhat.com>",
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        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "From: Hans de Goede <hdegoede@redhat.com>\n\nAdd a base class for debayer implementations. This is intended to be\nsuitable for both GPU (or otherwise) accelerated debayer implementations\nas well as CPU based debayering.\n\nDoxygen documentation by Dennis Bonke.\n\nTested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # sc8280xp Lenovo x13s\nTested-by: Pavel Machek <pavel@ucw.cz>\nReviewed-by: Pavel Machek <pavel@ucw.cz>\nReviewed-by: Milan Zamazal <mzamazal@redhat.com>\nCo-developed-by: Dennis Bonke <admin@dennisbonke.com>\nSigned-off-by: Dennis Bonke <admin@dennisbonke.com>\nCo-developed-by: Andrey Konovalov <andrey.konovalov@linaro.org>\nSigned-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>\nSigned-off-by: Hans de Goede <hdegoede@redhat.com>\n---\n .../internal/software_isp/debayer_params.h    |  48 ++++++++\n .../internal/software_isp/meson.build         |   1 +\n src/libcamera/software_isp/debayer.cpp        |  29 +++++\n src/libcamera/software_isp/debayer.h          | 104 ++++++++++++++++++\n src/libcamera/software_isp/meson.build        |   1 +\n 5 files changed, 183 insertions(+)\n create mode 100644 include/libcamera/internal/software_isp/debayer_params.h\n create mode 100644 src/libcamera/software_isp/debayer.cpp\n create mode 100644 src/libcamera/software_isp/debayer.h",
    "diff": "diff --git a/include/libcamera/internal/software_isp/debayer_params.h b/include/libcamera/internal/software_isp/debayer_params.h\nnew file mode 100644\nindex 00000000..98965fa1\n--- /dev/null\n+++ b/include/libcamera/internal/software_isp/debayer_params.h\n@@ -0,0 +1,48 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+/*\n+ * Copyright (C) 2023, Red Hat Inc.\n+ *\n+ * Authors:\n+ * Hans de Goede <hdegoede@redhat.com>\n+ *\n+ * debayer_params.h - DebayerParams header\n+ */\n+\n+#pragma once\n+\n+namespace libcamera {\n+\n+/**\n+ * \\brief Struct to hold the debayer parameters.\n+ */\n+struct DebayerParams {\n+\t/**\n+\t * \\brief const value for 1.0 gain\n+\t */\n+\tstatic constexpr unsigned int kGain10 = 256;\n+\n+\t/**\n+\t * \\brief Red Gain\n+\t *\n+\t * 128 = 0.5, 256 = 1.0, 512 = 2.0, etc.\n+\t */\n+\tunsigned int gainR;\n+\t/**\n+\t * \\brief Green Gain\n+\t *\n+\t * 128 = 0.5, 256 = 1.0, 512 = 2.0, etc.\n+\t */\n+\tunsigned int gainG;\n+\t/**\n+\t * \\brief Blue Gain\n+\t *\n+\t * 128 = 0.5, 256 = 1.0, 512 = 2.0, etc.\n+\t */\n+\tunsigned int gainB;\n+\t/**\n+\t * \\brief Gamma correction, 1.0 is no correction\n+\t */\n+\tfloat gamma;\n+};\n+\n+} /* namespace libcamera */\ndiff --git a/include/libcamera/internal/software_isp/meson.build b/include/libcamera/internal/software_isp/meson.build\nindex 66c9c3fb..a620e16d 100644\n--- a/include/libcamera/internal/software_isp/meson.build\n+++ b/include/libcamera/internal/software_isp/meson.build\n@@ -1,5 +1,6 @@\n # SPDX-License-Identifier: CC0-1.0\n \n libcamera_internal_headers += files([\n+    'debayer_params.h',\n     'swisp_stats.h',\n ])\ndiff --git a/src/libcamera/software_isp/debayer.cpp b/src/libcamera/software_isp/debayer.cpp\nnew file mode 100644\nindex 00000000..64f0b5a0\n--- /dev/null\n+++ b/src/libcamera/software_isp/debayer.cpp\n@@ -0,0 +1,29 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+/*\n+ * Copyright (C) 2023, Linaro Ltd\n+ * Copyright (C) 2023, Red Hat Inc.\n+ *\n+ * Authors:\n+ * Hans de Goede <hdegoede@redhat.com>\n+ *\n+ * debayer.cpp - debayer base class\n+ */\n+\n+#include \"debayer.h\"\n+\n+namespace libcamera {\n+\n+/**\n+ * \\class Debayer\n+ * \\brief Base debayering class\n+ *\n+ * Base class that provides functions for setting up the debayering process.\n+ */\n+\n+LOG_DEFINE_CATEGORY(Debayer)\n+\n+Debayer::~Debayer()\n+{\n+}\n+\n+} /* namespace libcamera */\ndiff --git a/src/libcamera/software_isp/debayer.h b/src/libcamera/software_isp/debayer.h\nnew file mode 100644\nindex 00000000..8880ff99\n--- /dev/null\n+++ b/src/libcamera/software_isp/debayer.h\n@@ -0,0 +1,104 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+/*\n+ * Copyright (C) 2023, Linaro Ltd\n+ * Copyright (C) 2023, Red Hat Inc.\n+ *\n+ * Authors:\n+ * Hans de Goede <hdegoede@redhat.com>\n+ *\n+ * debayer.h - debayering base class\n+ */\n+\n+#pragma once\n+\n+#include <stdint.h>\n+\n+#include <libcamera/base/log.h>\n+#include <libcamera/base/signal.h>\n+\n+#include <libcamera/geometry.h>\n+#include <libcamera/stream.h>\n+\n+#include \"libcamera/internal/software_isp/debayer_params.h\"\n+\n+namespace libcamera {\n+\n+class FrameBuffer;\n+\n+LOG_DECLARE_CATEGORY(Debayer)\n+\n+class Debayer\n+{\n+public:\n+\tvirtual ~Debayer() = 0;\n+\n+\t/**\n+\t * \\brief Configure the debayer object according to the passed in parameters.\n+\t * \\param[in] inputCfg The input configuration.\n+\t * \\param[in] outputCfgs The output configurations.\n+\t *\n+\t * \\return 0 on success, a negative errno on failure.\n+\t */\n+\tvirtual int configure(const StreamConfiguration &inputCfg,\n+\t\t\t      const std::vector<std::reference_wrapper<StreamConfiguration>> &outputCfgs) = 0;\n+\n+\t/**\n+\t * \\brief Get the width and height at which the bayer pattern repeats.\n+\t * \\param[in] inputFormat The input format.\n+\t *\n+\t * Valid sizes are: 2x2, 4x2 or 4x4.\n+\t *\n+\t * \\return pattern size or an empty size for unsupported inputFormats.\n+\t */\n+\tvirtual Size patternSize(PixelFormat inputFormat) = 0;\n+\n+\t/**\n+\t * \\brief Get the supported output formats.\n+\t * \\param[in] inputFormat The input format.\n+\t *\n+\t * \\return all supported output formats or an empty vector if there are none.\n+\t */\n+\tvirtual std::vector<PixelFormat> formats(PixelFormat inputFormat) = 0;\n+\n+\t/**\n+\t * \\brief Get the stride and the frame size.\n+\t * \\param[in] outputFormat The output format.\n+\t * \\param[in] size The output size.\n+\t *\n+\t * \\return a tuple of the stride and the frame size, or a tuple with 0,0 if there is no valid output config.\n+\t */\n+\tvirtual std::tuple<unsigned int, unsigned int>\n+\tstrideAndFrameSize(const PixelFormat &outputFormat, const Size &size) = 0;\n+\n+\t/**\n+\t * \\brief Process the bayer data into the requested format.\n+\t * \\param[in] input The input buffer.\n+\t * \\param[in] output The output buffer.\n+\t * \\param[in] params The parameters to be used in debayering.\n+\t *\n+\t * \\note DebayerParams is passed by value deliberately so that a copy is passed\n+\t * when this is run in another thread by invokeMethod().\n+\t */\n+\tvirtual void process(FrameBuffer *input, FrameBuffer *output, DebayerParams params) = 0;\n+\n+\t/**\n+\t * \\brief Get the supported output sizes for the given input format and size.\n+\t * \\param[in] inputFormat The input format.\n+\t * \\param[in] inputSize The input size.\n+\t *\n+\t * \\return The valid size ranges or an empty range if there are none.\n+\t */\n+\tvirtual SizeRange sizes(PixelFormat inputFormat, const Size &inputSize) = 0;\n+\n+\t/**\n+\t * \\brief Signals when the input buffer is ready.\n+\t */\n+\tSignal<FrameBuffer *> inputBufferReady;\n+\n+\t/**\n+\t * \\brief Signals when the output buffer is ready.\n+\t */\n+\tSignal<FrameBuffer *> outputBufferReady;\n+};\n+\n+} /* namespace libcamera */\ndiff --git a/src/libcamera/software_isp/meson.build b/src/libcamera/software_isp/meson.build\nindex fcfff74a..62095f61 100644\n--- a/src/libcamera/software_isp/meson.build\n+++ b/src/libcamera/software_isp/meson.build\n@@ -8,5 +8,6 @@ if not (softisp_enabled)\n endif\n \n libcamera_sources += files([\n+    'debayer.cpp',\n     'swstats_cpu.cpp',\n ])\n",
    "prefixes": [
        "v6",
        "07/18"
    ]
}