{"id":21344,"url":"https://patchwork.libcamera.org/api/patches/21344/?format=json","web_url":"https://patchwork.libcamera.org/patch/21344/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20240924110353.2025397-3-chenghaoyang@google.com>","date":"2024-09-24T11:02:45","name":"[v7,2/3] libcamera: Add face detection controls","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"8abaa6d1a5a3774b73ccb14c05e6cbe180b2333a","submitter":{"id":117,"url":"https://patchwork.libcamera.org/api/people/117/?format=json","name":"Cheng-Hao Yang","email":"chenghaoyang@chromium.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/21344/mbox/","series":[{"id":4618,"url":"https://patchwork.libcamera.org/api/series/4618/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=4618","date":"2024-09-24T11:02:43","name":"Add Face Detection Controls","version":7,"mbox":"https://patchwork.libcamera.org/series/4618/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/21344/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/21344/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id D025EC0F1B\n\tfor ;\n\tTue, 24 Sep 2024 11:04:09 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 68BB663510;\n\tTue, 24 Sep 2024 13:04:09 +0200 (CEST)","from mail-pg1-x530.google.com (mail-pg1-x530.google.com\n\t[IPv6:2607:f8b0:4864:20::530])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id B1B146350B\n\tfor ;\n\tTue, 24 Sep 2024 13:04:03 +0200 (CEST)","by mail-pg1-x530.google.com with SMTP id\n\t41be03b00d2f7-7e6b738acd5so280989a12.0\n\tfor ;\n\tTue, 24 Sep 2024 04:04:03 -0700 (PDT)","from chenghaoyang-low.c.googlers.com.com\n\t(208.158.221.35.bc.googleusercontent.com. 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Also add ControlTypePoint for supporting\nFaceDetectFaceLandmark.\n\nSigned-off-by: Yudhistira Erlandinata \nCo-developed-by: becker hsieh \nCo-developed-by: Harvey Yang \n---\n include/libcamera/controls.h | 6 ++\n include/libcamera/meson.build | 3 +-\n src/libcamera/control_ids_android.yaml | 98 ++++++++++++++++++++++++++\n src/libcamera/control_ranges.yaml | 4 +-\n src/libcamera/controls.cpp | 6 ++\n 5 files changed, 115 insertions(+), 2 deletions(-)\n create mode 100644 src/libcamera/control_ids_android.yaml","diff":"diff --git a/include/libcamera/controls.h b/include/libcamera/controls.h\nindex 7c2bb287..bf1b8609 100644\n--- a/include/libcamera/controls.h\n+++ b/include/libcamera/controls.h\n@@ -34,6 +34,7 @@ enum ControlType {\n \tControlTypeString,\n \tControlTypeRectangle,\n \tControlTypeSize,\n+\tControlTypePoint,\n };\n \n namespace details {\n@@ -87,6 +88,11 @@ struct control_type {\n \tstatic constexpr ControlType value = ControlTypeSize;\n };\n \n+template<>\n+struct control_type {\n+\tstatic constexpr ControlType value = ControlTypePoint;\n+};\n+\n template\n struct control_type> : public control_type> {\n };\ndiff --git a/include/libcamera/meson.build b/include/libcamera/meson.build\nindex a969a95d..4fff14d2 100644\n--- a/include/libcamera/meson.build\n+++ b/include/libcamera/meson.build\n@@ -34,6 +34,7 @@ libcamera_headers_install_dir = get_option('includedir') / libcamera_include_dir\n \n controls_map = {\n 'controls': {\n+ 'android': 'control_ids_android.yaml',\n 'draft': 'control_ids_draft.yaml',\n 'core': 'control_ids_core.yaml',\n 'rpi/vc4': 'control_ids_rpi.yaml',\n@@ -55,7 +56,7 @@ foreach mode, entry : controls_map\n files_list = []\n input_files = []\n foreach vendor, header : entry\n- if vendor != 'core' and vendor != 'draft'\n+ if vendor != 'core' and vendor != 'draft' and vendor != 'android'\n if vendor not in pipelines\n continue\n endif\ndiff --git a/src/libcamera/control_ids_android.yaml b/src/libcamera/control_ids_android.yaml\nnew file mode 100644\nindex 00000000..8b0d624f\n--- /dev/null\n+++ b/src/libcamera/control_ids_android.yaml\n@@ -0,0 +1,98 @@\n+# SPDX-License-Identifier: LGPL-2.1-or-later\n+#\n+# Copyright (C) 2024, Google Inc.\n+#\n+%YAML 1.1\n+---\n+# Unless otherwise stated, all controls are bi-directional, i.e. they can be\n+# set through Request::controls() and returned out through Request::metadata().\n+vendor: android\n+controls:\n+ - FaceDetectMode:\n+ type: uint8_t\n+ description: |\n+ Reporting mode of face detection.\n+\n+ Currently identical to ANDROID_STATISTICS_FACE_DETECT_MODE.\n+\n+ \\sa FaceDetectFaceRectangles\n+ \\sa FaceDetectFaceScores\n+ \\sa FaceDetectFaceLandmarks\n+ \\sa FaceDetectFaceIds\n+\n+ enum:\n+ - name: FaceDetectModeOff\n+ value: 0\n+ description: |\n+ Pipeline should not report face detection result.\n+ - name: FaceDetectModeSimple\n+ value: 1\n+ description: |\n+ Pipeline should at least report FaceDetectFaceRectangles and\n+ FaceDetectFaceScores for each detected faces.\n+ FaceDetectFaceLandmarks and FaceDetectFaceIds is optional.\n+\n+ - name: FaceDetectModeFull\n+ value: 2\n+ description: |\n+ Pipeline should report all face controls, including\n+ FaceDetectFaceRectangles, FaceDetectFaceScores,\n+ FaceDetectFaceLandmarks, and FaceDeteceFaceIds.\n+\n+ - FaceDetectFaceRectangles:\n+ type: Rectangle\n+ description: |\n+ Boundary rectangles of the detected faces.\n+ The number of values should be the number of faces reported in\n+ FaceDetectFaceRectangles.\n+\n+ The FaceDetectFaceRectangles control can only be returned in metadata.\n+\n+ Currently identical to ANDROID_STATISTICS_FACE_RECTANGLES.\n+\n+ size: [n]\n+\n+ - FaceDetectFaceScores:\n+ type: uint8_t\n+ description: |\n+ Confidence score of each of the detected faces by face detector.\n+ The range of score is [0, 100].\n+ The FaceDetectFaceScores control can only be returned in metadata.\n+ The number of values should be the number of faces reported in\n+ FaceDetectFaceRectangles.\n+\n+ Currently identical to ANDROID_STATISTICS_FACE_SCORES.\n+\n+ size: [n]\n+\n+ - FaceDetectFaceLandmarks:\n+ type: Point\n+ description: |\n+ Array of human face landmark coordinates in format:\n+ [..., left_eye_i, right_eye_i, mouth_i, left_eye_i+1, ...],\n+ with i = index of face.\n+ The number of values should be 3 * the number of faces reported in\n+ FaceDetectFaceRectangles.\n+\n+ The FaceDetectFaceLandmarks control can only be returned in metadata.\n+\n+ Currently identical to ANDROID_STATISTICS_FACE_LANDMARKS.\n+\n+ size: [n]\n+\n+ - FaceDetectFaceIds:\n+ type: int32_t\n+ description: |\n+ Each detected face is given a unique ID that is valid for as long as\n+ the face is visible to the camera device. A face that leaves the field\n+ of view and later returns may be assigned a new ID.\n+ The number of values should be the number of faces reported in\n+ FaceDetectFaceRectangles.\n+\n+ The FaceDetectFaceIds control can only be returned in metadata.\n+\n+ Currently identical to ANDROID_STATISTICS_FACE_IDS.\n+\n+ size: [n]\n+\n+...\ndiff --git a/src/libcamera/control_ranges.yaml b/src/libcamera/control_ranges.yaml\nindex d42447d0..9d406f10 100644\n--- a/src/libcamera/control_ranges.yaml\n+++ b/src/libcamera/control_ranges.yaml\n@@ -13,6 +13,8 @@ ranges:\n draft: 10000\n # Raspberry Pi vendor controls\n rpi: 20000\n- # Next range starts at 30000\n+ # Android metadata related controls\n+ android: 30000\n+ # Next range starts at 40000\n \n ...\ndiff --git a/src/libcamera/controls.cpp b/src/libcamera/controls.cpp\nindex dba74404..c452e607 100644\n--- a/src/libcamera/controls.cpp\n+++ b/src/libcamera/controls.cpp\n@@ -60,6 +60,7 @@ static constexpr size_t ControlValueSize[] = {\n \t[ControlTypeString]\t\t= sizeof(char),\n \t[ControlTypeRectangle]\t\t= sizeof(Rectangle),\n \t[ControlTypeSize]\t\t= sizeof(Size),\n+\t[ControlTypePoint]\t\t= sizeof(Point),\n };\n \n } /* namespace */\n@@ -254,6 +255,11 @@ std::string ControlValue::toString() const\n \t\t\tstr += value->toString();\n \t\t\tbreak;\n \t\t}\n+\t\tcase ControlTypePoint: {\n+\t\t\tconst Point *value = reinterpret_cast(data);\n+\t\t\tstr += value->toString();\n+\t\t\tbreak;\n+\t\t}\n \t\tcase ControlTypeNone:\n \t\tcase ControlTypeString:\n \t\t\tbreak;\n","prefixes":["v7","2/3"]}