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{ "id": 18094, "url": "https://patchwork.libcamera.org/api/patches/18094/?format=api", "web_url": "https://patchwork.libcamera.org/patch/18094/", "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": "<20230105043726.679968-9-chenghaoyang@google.com>", "date": "2023-01-05T04:37:25", "name": "[libcamera-devel,v3,8/9] libcamera: pipeline: virtual: Queue requests", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "b87473ea2b8879f4b60c605a7f5833a4b659643a", "submitter": { "id": 117, "url": "https://patchwork.libcamera.org/api/people/117/?format=api", "name": "Cheng-Hao Yang", "email": "chenghaoyang@chromium.org" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/18094/mbox/", "series": [ { "id": 3700, "url": "https://patchwork.libcamera.org/api/series/3700/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3700", "date": "2023-01-05T04:37:17", "name": "Virtual pipeline handler", "version": 3, "mbox": "https://patchwork.libcamera.org/series/3700/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/18094/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/18094/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "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 4CC1EC3291\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 5 Jan 2023 04:38:08 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 08999625F1;\n\tThu, 5 Jan 2023 05:38:08 +0100 (CET)", "from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com\n\t[IPv6:2607:f8b0:4864:20::1036])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 6340B625F1\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 5 Jan 2023 05:38:03 +0100 (CET)", "by mail-pj1-x1036.google.com with SMTP id\n\tc2-20020a17090a020200b00226c762ed23so861829pjc.5\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 04 Jan 2023 20:38:03 -0800 (PST)", "from chenghaoyang-low.c.googlers.com.com\n\t(46.165.189.35.bc.googleusercontent.com. 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\n\tWed, 04 Jan 2023 20:38:02 -0800 (PST)", "X-Google-Original-From": "Harvey Yang <chenghaoyang@google.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Thu, 5 Jan 2023 04:37:25 +0000", "Message-Id": "<20230105043726.679968-9-chenghaoyang@google.com>", "X-Mailer": "git-send-email 2.39.0.314.g84b9a713c41-goog", "In-Reply-To": "<20230105043726.679968-1-chenghaoyang@google.com>", "References": "<20230105043726.679968-1-chenghaoyang@google.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v3 8/9] libcamera: pipeline: virtual:\n\tQueue requests", "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/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "From": "Harvey Yang via libcamera-devel <libcamera-devel@lists.libcamera.org>", "Reply-To": "Harvey Yang <chenghaoyang@chromium.org>", "Cc": "Harvey Yang <chenghaoyang@google.com>,\n\tHarvey Yang <chenghaoyang@chromium.org>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "[todo Use UDMA to allocate buffers in the exportFrameBuffers API]\n\n[todo Read frames from the virtual video if any]\n\nCurrently we only use external buffers and complete them immediately\nwith green frames.\n\nSigned-off-by: Harvey Yang <chenghaoyang@chromium.org>\n---\n src/libcamera/pipeline/virtual/virtual.cpp | 29 +++++++++++++++++++---\n 1 file changed, 26 insertions(+), 3 deletions(-)", "diff": "diff --git a/src/libcamera/pipeline/virtual/virtual.cpp b/src/libcamera/pipeline/virtual/virtual.cpp\nindex ef2901e7..db6fe14c 100644\n--- a/src/libcamera/pipeline/virtual/virtual.cpp\n+++ b/src/libcamera/pipeline/virtual/virtual.cpp\n@@ -8,6 +8,8 @@\n #include <libcamera/base/log.h>\n \n #include <libcamera/camera.h>\n+#include <libcamera/control_ids.h>\n+#include <libcamera/controls.h>\n #include <libcamera/formats.h>\n \n #include \"libcamera/internal/camera.h\"\n@@ -18,6 +20,17 @@ namespace libcamera {\n \n LOG_DEFINE_CATEGORY(VIRTUAL)\n \n+uint64_t CurrentTimestamp()\n+{\n+\tstruct timespec ts;\n+\tif (clock_gettime(CLOCK_MONOTONIC, &ts) < 0) {\n+\t\tLOG(VIRTUAL, Error) << \"Get clock time fails\";\n+\t\treturn 0;\n+\t}\n+\n+\treturn ts.tv_sec * 1'000'000'000LL + ts.tv_nsec;\n+}\n+\n class VirtualCameraData : public Camera::Private\n {\n public:\n@@ -214,6 +227,7 @@ int PipelineHandlerVirtual::exportFrameBuffers(Camera *camera, Stream *stream,\n \t(void)camera;\n \t(void)stream;\n \t(void)buffers;\n+\t// TODO: Use UDMA to allocate buffers.\n \treturn -1;\n }\n \n@@ -221,19 +235,28 @@ int PipelineHandlerVirtual::start(Camera *camera, const ControlList *controls)\n {\n \t(void)camera;\n \t(void)controls;\n-\treturn -1;\n+\t// TODO: Start reading the virtual video if any.\n+\treturn 0;\n }\n \n void PipelineHandlerVirtual::stopDevice(Camera *camera)\n {\n \t(void)camera;\n+\t// TODO: Reset the virtual video if any.\n }\n \n int PipelineHandlerVirtual::queueRequestDevice(Camera *camera, Request *request)\n {\n \t(void)camera;\n-\t(void)request;\n-\treturn -1;\n+\n+\t// TODO: Read from the virtual video if any.\n+\tfor (auto it : request->buffers())\n+\t\tcompleteBuffer(request, it.second);\n+\n+\trequest->metadata().set(controls::SensorTimestamp, CurrentTimestamp());\n+\tcompleteRequest(request);\n+\n+\treturn 0;\n }\n \n bool PipelineHandlerVirtual::match(DeviceEnumerator *enumerator)\n", "prefixes": [ "libcamera-devel", "v3", "8/9" ] }