{"id":21332,"url":"https://patchwork.libcamera.org/api/1.1/patches/21332/?format=json","web_url":"https://patchwork.libcamera.org/patch/21332/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/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":"<20240923093317.3500444-3-chenghaoyang@google.com>","date":"2024-09-23T09:30:45","name":"[v5,2/3] libcamera: Add face detection controls","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"e2d543b75b6a08a513ce6356213cd557840e03c8","submitter":{"id":117,"url":"https://patchwork.libcamera.org/api/1.1/people/117/?format=json","name":"Cheng-Hao Yang","email":"chenghaoyang@chromium.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/21332/mbox/","series":[{"id":4614,"url":"https://patchwork.libcamera.org/api/1.1/series/4614/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=4614","date":"2024-09-23T09:30:43","name":"Add Face Detection Controls","version":5,"mbox":"https://patchwork.libcamera.org/series/4614/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/21332/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/21332/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 39018C0F1B\n\tfor ;\n\tMon, 23 Sep 2024 09:33:33 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id C62E863515;\n\tMon, 23 Sep 2024 11:33:32 +0200 (CEST)","from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com\n\t[IPv6:2607:f8b0:4864:20::62d])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 667F66350D\n\tfor ;\n\tMon, 23 Sep 2024 11:33:27 +0200 (CEST)","by mail-pl1-x62d.google.com with SMTP id\n\td9443c01a7336-2053f6b8201so35684135ad.2\n\tfor ;\n\tMon, 23 Sep 2024 02:33:27 -0700 (PDT)","from chenghaoyang-low.c.googlers.com.com\n\t(0.223.81.34.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 src/libcamera/control_ids_draft.yaml | 85 ++++++++++++++++++++++++++++\n src/libcamera/controls.cpp | 6 ++\n 3 files changed, 97 insertions(+)","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/src/libcamera/control_ids_draft.yaml b/src/libcamera/control_ids_draft.yaml\nindex 9bef5bf1..c0cf5320 100644\n--- a/src/libcamera/control_ids_draft.yaml\n+++ b/src/libcamera/control_ids_draft.yaml\n@@ -227,4 +227,89 @@ controls:\n value. All of the custom test patterns will be static (that is the\n raw image must not vary from frame to frame).\n \n+ - FaceDetectMode:\n+ type: uint8_t\n+ description: |\n+ Reporting mode of face detection.\n+\n+ The number of faces in each list must be the same.\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.\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.\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.\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.\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/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":["v5","2/3"]}