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{
    "id": 27112,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/27112/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/27112/",
    "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": "<20260629163017.863145-35-barnabas.pocze@ideasonboard.com>",
    "date": "2026-06-29T16:29:57",
    "name": "[RFC,v1,34/54] libcamera: pipeline_handler: completeRequest(): Return request count",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "c5c7592c22a6bf4bf02b0fcd1dd97130284e331a",
    "submitter": {
        "id": 216,
        "url": "https://patchwork.libcamera.org/api/1.1/people/216/?format=api",
        "name": "Barnabás Pőcze",
        "email": "barnabas.pocze@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/27112/mbox/",
    "series": [
        {
            "id": 6025,
            "url": "https://patchwork.libcamera.org/api/1.1/series/6025/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=6025",
            "date": "2026-06-29T16:29:23",
            "name": "libcamera: Split requests and buffers",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/6025/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/27112/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/27112/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 03C7BC3303\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 29 Jun 2026 16:31:24 +0000 (UTC)",
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        ],
        "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"ZJ0WJZLu\"; dkim-atps=neutral",
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        "From": "=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= <barnabas.pocze@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Subject": "[RFC PATCH v1 34/54] libcamera: pipeline_handler: completeRequest():\n\tReturn request count",
        "Date": "Mon, 29 Jun 2026 18:29:57 +0200",
        "Message-ID": "<20260629163017.863145-35-barnabas.pocze@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.54.0",
        "In-Reply-To": "<20260629163017.863145-1-barnabas.pocze@ideasonboard.com>",
        "References": "<20260629163017.863145-1-barnabas.pocze@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=UTF-8",
        "Content-Transfer-Encoding": "8bit",
        "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>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Return the number of requests that were consumed from the head of\nthe `queuedRequests_` queue. This can be used by pipeline handlers\nusing the `queuedRequests_` queue for their bookeeing.\n\nReviewed-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>\n---\n include/libcamera/internal/pipeline_handler.h | 2 +-\n src/libcamera/pipeline_handler.cpp            | 9 ++++++++-\n 2 files changed, 9 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/include/libcamera/internal/pipeline_handler.h b/include/libcamera/internal/pipeline_handler.h\nindex d5b8fdb730..5aced40cea 100644\n--- a/include/libcamera/internal/pipeline_handler.h\n+++ b/include/libcamera/internal/pipeline_handler.h\n@@ -70,7 +70,7 @@ public:\n \t\treturn request->_d()->completeBuffer(buffer);\n \t}\n \n-\tvoid completeRequest(Request *request);\n+\tsize_t completeRequest(Request *request);\n \tvoid cancelRequest(Request *request);\n \n \tvoid addBuffer(Camera *camera,\ndiff --git a/src/libcamera/pipeline_handler.cpp b/src/libcamera/pipeline_handler.cpp\nindex ad1174d043..755c78b308 100644\n--- a/src/libcamera/pipeline_handler.cpp\n+++ b/src/libcamera/pipeline_handler.cpp\n@@ -636,14 +636,18 @@ void PipelineHandler::doQueueRequests(Camera *camera)\n  * without any ordering constraint.\n  *\n  * \\context This function shall be called from the CameraManager thread.\n+ *\n+ * \\return The number of requests that were removed from the head of the queued\n+ * requests queue.\n  */\n-void PipelineHandler::completeRequest(Request *request)\n+size_t PipelineHandler::completeRequest(Request *request)\n {\n \tCamera *camera = request->_d()->camera();\n \n \trequest->_d()->complete();\n \n \tCamera::Private *data = camera->_d();\n+\tsize_t consumed = 0;\n \n \twhile (!data->queuedRequests_.empty()) {\n \t\tRequest *req = data->queuedRequests_.front();\n@@ -653,10 +657,13 @@ void PipelineHandler::completeRequest(Request *request)\n \t\tASSERT(!req->hasPendingBuffers());\n \t\tdata->queuedRequests_.pop_front();\n \t\tcamera->requestComplete(req);\n+\t\tconsumed += 1;\n \t}\n \n \t/* Allow any waiting requests to be queued to the pipeline. */\n \tdoQueueRequests(camera);\n+\n+\treturn consumed;\n }\n \n /**\n",
    "prefixes": [
        "RFC",
        "v1",
        "34/54"
    ]
}