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{
    "id": 15345,
    "url": "https://patchwork.libcamera.org/api/patches/15345/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/15345/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/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": "<20220209071917.559993-2-hanlinchen@chromium.org>",
    "date": "2022-02-09T07:19:09",
    "name": "[libcamera-devel,1/9] libcamera: Introduce option to customize behavior for a camera module",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "b5d0fdd422f98f0926877e060718e19f0810cf88",
    "submitter": {
        "id": 98,
        "url": "https://patchwork.libcamera.org/api/people/98/?format=api",
        "name": "Hanlin Chen",
        "email": "hanlinchen@chromium.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/15345/mbox/",
    "series": [
        {
            "id": 2923,
            "url": "https://patchwork.libcamera.org/api/series/2923/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2923",
            "date": "2022-02-09T07:19:08",
            "name": "Introduce Pipeline configuration preference for IPU3",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/2923/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/15345/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/15345/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>",
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        "From": "Han-Lin Chen <hanlinchen@chromium.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Wed,  9 Feb 2022 15:19:09 +0800",
        "Message-Id": "<20220209071917.559993-2-hanlinchen@chromium.org>",
        "X-Mailer": "git-send-email 2.35.0.263.gb82422642f-goog",
        "In-Reply-To": "<20220209071917.559993-1-hanlinchen@chromium.org>",
        "References": "<20220209071917.559993-1-hanlinchen@chromium.org>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH 1/9] libcamera: Introduce option to\n\tcustomize behavior for a camera module",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "<libcamera-devel.lists.libcamera.org>",
        "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>",
        "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>",
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        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Introduce option to customize behavior for a camera module, which might\nalter the camera characteristic and should be set before inspecting it.\n\nRe-use the Control generation infrastructure to generate options and define\nthe first 'PipelineConfigFile' option, which allows user to specify\npreference for pipeline configuration.\n\nSigned-off-by: Han-Lin Chen <hanlinchen@chromium.org>\n---\n include/libcamera/ipa/ipa_controls.h |  1 +\n include/libcamera/meson.build        |  3 +-\n include/libcamera/option_ids.h.in    | 36 +++++++++++++++++\n src/libcamera/control_serializer.cpp | 12 ++++++\n src/libcamera/option_ids.cpp.in      | 58 ++++++++++++++++++++++++++++\n src/libcamera/option_ids.yaml        | 16 ++++++++\n 6 files changed, 125 insertions(+), 1 deletion(-)\n create mode 100644 include/libcamera/option_ids.h.in\n create mode 100644 src/libcamera/option_ids.cpp.in\n create mode 100644 src/libcamera/option_ids.yaml",
    "diff": "diff --git a/include/libcamera/ipa/ipa_controls.h b/include/libcamera/ipa/ipa_controls.h\nindex da1a7596..8173a2e5 100644\n--- a/include/libcamera/ipa/ipa_controls.h\n+++ b/include/libcamera/ipa/ipa_controls.h\n@@ -18,6 +18,7 @@ extern \"C\" {\n enum ipa_controls_id_map_type {\n \tIPA_CONTROL_ID_MAP_CONTROLS,\n \tIPA_CONTROL_ID_MAP_PROPERTIES,\n+\tIPA_CONTROL_ID_MAP_OPTIONS,\n \tIPA_CONTROL_ID_MAP_V4L2,\n };\n \ndiff --git a/include/libcamera/meson.build b/include/libcamera/meson.build\nindex 408b7acf..a9b71bc3 100644\n--- a/include/libcamera/meson.build\n+++ b/include/libcamera/meson.build\n@@ -31,10 +31,11 @@ install_headers(libcamera_public_headers,\n \n libcamera_headers_install_dir = get_option('includedir') / libcamera_include_dir\n \n-# control_ids.h and property_ids.h\n+# control_ids.h, property_ids.h, and option_ids.h\n control_source_files = [\n     'control_ids',\n     'property_ids',\n+    'option_ids',\n ]\n \n control_headers = []\ndiff --git a/include/libcamera/option_ids.h.in b/include/libcamera/option_ids.h.in\nnew file mode 100644\nindex 00000000..53058a4b\n--- /dev/null\n+++ b/include/libcamera/option_ids.h.in\n@@ -0,0 +1,36 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+/*\n+ * Copyright (C) 2022, Google Inc.\n+ *\n+ * option_ids.h - Option ID list\n+ *\n+ * This file is auto-generated. Do not edit.\n+ */\n+\n+#pragma once\n+\n+#include <stdint.h>\n+\n+#include <libcamera/controls.h>\n+\n+namespace libcamera {\n+\n+namespace options {\n+\n+enum {\n+${ids}\n+};\n+\n+${controls}\n+\n+namespace draft {\n+\n+${draft_controls}\n+\n+} /* namespace draft */\n+\n+extern const ControlIdMap options;\n+\n+} /* namespace options */\n+\n+} /* namespace libcamera */\ndiff --git a/src/libcamera/control_serializer.cpp b/src/libcamera/control_serializer.cpp\nindex e87d2362..dc8d2906 100644\n--- a/src/libcamera/control_serializer.cpp\n+++ b/src/libcamera/control_serializer.cpp\n@@ -16,6 +16,7 @@\n \n #include <libcamera/control_ids.h>\n #include <libcamera/controls.h>\n+#include <libcamera/option_ids.h>\n #include <libcamera/property_ids.h>\n \n #include <libcamera/ipa/ipa_controls.h>\n@@ -239,6 +240,8 @@ int ControlSerializer::serialize(const ControlInfoMap &infoMap,\n \tenum ipa_controls_id_map_type idMapType;\n \tif (idmap == &controls::controls)\n \t\tidMapType = IPA_CONTROL_ID_MAP_CONTROLS;\n+\telse if (idmap == &options::options)\n+\t\tidMapType = IPA_CONTROL_ID_MAP_OPTIONS;\n \telse if (idmap == &properties::properties)\n \t\tidMapType = IPA_CONTROL_ID_MAP_PROPERTIES;\n \telse\n@@ -333,6 +336,8 @@ int ControlSerializer::serialize(const ControlList &list,\n \tenum ipa_controls_id_map_type idMapType;\n \tif (idmap == &controls::controls)\n \t\tidMapType = IPA_CONTROL_ID_MAP_CONTROLS;\n+\telse if (idmap == &options::options)\n+\t\tidMapType = IPA_CONTROL_ID_MAP_OPTIONS;\n \telse if (idmap == &properties::properties)\n \t\tidMapType = IPA_CONTROL_ID_MAP_PROPERTIES;\n \telse\n@@ -458,6 +463,9 @@ ControlInfoMap ControlSerializer::deserialize<ControlInfoMap>(ByteStreamBuffer &\n \tcase IPA_CONTROL_ID_MAP_CONTROLS:\n \t\tidMap = &controls::controls;\n \t\tbreak;\n+\tcase IPA_CONTROL_ID_MAP_OPTIONS:\n+\t\tidMap = &options::options;\n+\t\tbreak;\n \tcase IPA_CONTROL_ID_MAP_PROPERTIES:\n \t\tidMap = &properties::properties;\n \t\tbreak;\n@@ -589,6 +597,10 @@ ControlList ControlSerializer::deserialize<ControlList>(ByteStreamBuffer &buffer\n \t\t\tidMap = &controls::controls;\n \t\t\tbreak;\n \n+\t\tcase IPA_CONTROL_ID_MAP_OPTIONS:\n+\t\t\tidMap = &options::options;\n+\t\t\tbreak;\n+\n \t\tcase IPA_CONTROL_ID_MAP_PROPERTIES:\n \t\t\tidMap = &properties::properties;\n \t\t\tbreak;\ndiff --git a/src/libcamera/option_ids.cpp.in b/src/libcamera/option_ids.cpp.in\nnew file mode 100644\nindex 00000000..adfd0633\n--- /dev/null\n+++ b/src/libcamera/option_ids.cpp.in\n@@ -0,0 +1,58 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+/*\n+ * Copyright (C) 2022, Google Inc.\n+ *\n+ * option_ids.cpp : Option ID list\n+ *\n+ * This file is auto-generated. Do not edit.\n+ */\n+\n+#include <libcamera/option_ids.h>\n+\n+/**\n+ * \\file option_ids.h\n+ * \\brief Camera option identifiers\n+ */\n+\n+namespace libcamera {\n+\n+/**\n+ * \\brief Namespace for libcamera options\n+ */\n+namespace options {\n+\n+${controls_doc}\n+\n+/**\n+ * \\brief Namespace for libcamera draft options\n+ */\n+namespace draft {\n+\n+${draft_controls_doc}\n+\n+} /* namespace draft */\n+\n+#ifndef __DOXYGEN__\n+/*\n+ * Keep the options definitions hidden from doxygen as it incorrectly parses\n+ * them as functions.\n+ */\n+${controls_def}\n+\n+namespace draft {\n+\n+${draft_controls_def}\n+\n+} /* namespace draft */\n+#endif\n+\n+/**\n+ * \\brief List of all supported libcamera options\n+ */\n+extern const ControlIdMap options {\n+${controls_map}\n+};\n+\n+} /* namespace options */\n+\n+} /* namespace libcamera */\ndiff --git a/src/libcamera/option_ids.yaml b/src/libcamera/option_ids.yaml\nnew file mode 100644\nindex 00000000..3f9304be\n--- /dev/null\n+++ b/src/libcamera/option_ids.yaml\n@@ -0,0 +1,16 @@\n+# SPDX-License-Identifier: LGPL-2.1-or-later\n+#\n+# Copyright (C) 2022, Google Inc.\n+#\n+%YAML 1.2\n+---\n+controls:\n+  - PipelineConfigFile:\n+      type: string\n+      description: |\n+        Some platform supports customizing pipeline configuration preference\n+        for a camera module. The structure and contents of the configuration\n+        file is specific to each platform in YAML format. The PipelineConfigFile\n+        option can be used to specify the path to load the configuration file.\n+\n+...\n",
    "prefixes": [
        "libcamera-devel",
        "1/9"
    ]
}