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{
    "id": 13803,
    "url": "https://patchwork.libcamera.org/api/patches/13803/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/13803/",
    "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": "<20210910070638.467294-6-umang.jain@ideasonboard.com>",
    "date": "2021-09-10T07:06:34",
    "name": "[libcamera-devel,v2,5/9] android: camera_stream: Query post-processing status",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "0acffac9d8d39bc6f6272d57f94a2c805cc4f4f4",
    "submitter": {
        "id": 86,
        "url": "https://patchwork.libcamera.org/api/people/86/?format=api",
        "name": "Umang Jain",
        "email": "umang.jain@ideasonboard.com"
    },
    "delegate": {
        "id": 12,
        "url": "https://patchwork.libcamera.org/api/users/12/?format=api",
        "username": "uajain",
        "first_name": "Umang",
        "last_name": "Jain",
        "email": "umang.jain@ideasonboard.com"
    },
    "mbox": "https://patchwork.libcamera.org/patch/13803/mbox/",
    "series": [
        {
            "id": 2513,
            "url": "https://patchwork.libcamera.org/api/series/2513/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2513",
            "date": "2021-09-10T07:06:29",
            "name": "Async Post Processor",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/2513/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/13803/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/13803/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 DAB87BDC71\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 10 Sep 2021 07:06:59 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 999026916D;\n\tFri, 10 Sep 2021 09:06:59 +0200 (CEST)",
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            "from perceval.ideasonboard.com (unknown [103.251.226.149])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id CE520883;\n\tFri, 10 Sep 2021 09:06:55 +0200 (CEST)"
        ],
        "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"wK8/itDF\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1631257616;\n\tbh=EjrgOUPInzOsFwr8WIeUqDQz29bU+sJYG1tCgeGwvbw=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=wK8/itDFrmrBKEYxWXGA7OG4tMnoop7B2QLYY9QfyCyeS7Li4kW0Tatn2xWDvkg8g\n\t9jMp5LkfHUqVD5DT1UPNSKJoEpzg6tm/3spKQdyvU1ppzT9C+tK/yA23ocr9FXw5HW\n\t25CTvQLkrHZ0JhoV6tn4TcYmXShBKgb6NC96Lxrk=",
        "From": "Umang Jain <umang.jain@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Fri, 10 Sep 2021 12:36:34 +0530",
        "Message-Id": "<20210910070638.467294-6-umang.jain@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.31.1",
        "In-Reply-To": "<20210910070638.467294-1-umang.jain@ideasonboard.com>",
        "References": "<20210910070638.467294-1-umang.jain@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v2 5/9] android: camera_stream: Query\n\tpost-processing status",
        "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": "CameraStream takes care of any post-processing required via the\nCameraStream::process(). Since the post-processor will be moved\nto a separate thread (in subsequent commits), the caller of\nPostProcessor::process() will notify the associated CameraStream\ninstance about the post-processing completion via processComplete\nsignal. The CameraStream class should handle this event to query\nthe status and take next steps of reporting it back to upper layers\n(i.e. CameraDevice).\n\nSigned-off-by: Umang Jain <umang.jain@ideasonboard.com>\n---\n src/android/camera_stream.cpp | 13 +++++++++++++\n src/android/camera_stream.h   | 13 ++++++++++++-\n 2 files changed, 25 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/src/android/camera_stream.cpp b/src/android/camera_stream.cpp\nindex d1c54797..996779c4 100644\n--- a/src/android/camera_stream.cpp\n+++ b/src/android/camera_stream.cpp\n@@ -81,6 +81,9 @@ int CameraStream::configure()\n \t\tint ret = postProcessor_->configure(configuration(), output);\n \t\tif (ret)\n \t\t\treturn ret;\n+\n+\t\tpostProcessor_->processComplete.connect(\n+\t\t\tthis, &CameraStream::postProcessingComplete);\n \t}\n \n \tif (allocator_) {\n@@ -123,6 +126,16 @@ int CameraStream::process(const FrameBuffer *source,\n \t\t\t\t       resultMetadata, context);\n }\n \n+void CameraStream::postProcessingComplete(PostProcessor::Status status,\n+\t\t\t\t\t  const Camera3RequestDescriptor *context)\n+{\n+\tProcessStatus processStatus;\n+\tif (status == PostProcessor::Status::Succeeded)\n+\t\tprocessStatus = ProcessStatus::Succeeded;\n+\telse\n+\t\tprocessStatus = ProcessStatus::Failed;\n+}\n+\n FrameBuffer *CameraStream::getBuffer()\n {\n \tif (!allocator_)\ndiff --git a/src/android/camera_stream.h b/src/android/camera_stream.h\nindex d589f699..be076995 100644\n--- a/src/android/camera_stream.h\n+++ b/src/android/camera_stream.h\n@@ -13,15 +13,18 @@\n \n #include <hardware/camera3.h>\n \n+#include <libcamera/base/signal.h>\n+\n #include <libcamera/camera.h>\n #include <libcamera/framebuffer.h>\n #include <libcamera/framebuffer_allocator.h>\n #include <libcamera/geometry.h>\n #include <libcamera/pixel_format.h>\n \n+#include \"post_processor.h\"\n+\n class CameraDevice;\n class CameraMetadata;\n-class PostProcessor;\n \n struct Camera3RequestDescriptor;\n \n@@ -128,7 +131,15 @@ public:\n \tlibcamera::FrameBuffer *getBuffer();\n \tvoid putBuffer(libcamera::FrameBuffer *buffer);\n \n+\tenum ProcessStatus {\n+\t\tSucceeded,\n+\t\tFailed,\n+\t};\n+\n private:\n+\tvoid postProcessingComplete(PostProcessor::Status status,\n+\t\t\t\t    const Camera3RequestDescriptor *context);\n+\n \tCameraDevice *const cameraDevice_;\n \tconst libcamera::CameraConfiguration *config_;\n \tconst Type type_;\n",
    "prefixes": [
        "libcamera-devel",
        "v2",
        "5/9"
    ]
}