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{
    "id": 9363,
    "url": "https://patchwork.libcamera.org/api/patches/9363/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/9363/",
    "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": "<20200822134605.17666-4-laurent.pinchart@ideasonboard.com>",
    "date": "2020-08-22T13:46:05",
    "name": "[libcamera-devel,3/3] v4l2: camera: Merge getStreamConfig() with open()",
    "commit_ref": "3bd19855459f6b58360197bc67c545a698812899",
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "783568ffdf516d14eaeae3a311bd176522cc9b60",
    "submitter": {
        "id": 2,
        "url": "https://patchwork.libcamera.org/api/people/2/?format=api",
        "name": "Laurent Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/9363/mbox/",
    "series": [
        {
            "id": 1232,
            "url": "https://patchwork.libcamera.org/api/series/1232/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1232",
            "date": "2020-08-22T13:46:02",
            "name": "v4l2: Miscellaneous cleanups",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/1232/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/9363/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/9363/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 E4DCCBE174\n\tfor <parsemail@patchwork.libcamera.org>;\n\tSat, 22 Aug 2020 13:46:31 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6D6A9627B1;\n\tSat, 22 Aug 2020 15:46:30 +0200 (CEST)",
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        ],
        "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=\"d3xpWiBq\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1598103988;\n\tbh=RHUM7F0w7mlRZ5dB7kI6t5ppv38knZ6JesBd9ygDrIc=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=d3xpWiBq3rRZpMrhmFsC5YGu9mmVfd18O8WSt+FiabYmXW5tpCZ4jlOa0MLdQcM0O\n\t5XyG+NXd+l69TZTC8H6geIa9a7W4u9xOYkOeNvxcKmz4ElXC21/RKt+7hpIdBV2veN\n\tQCVe/bretgczgjRp0Xo/7FFcURAhrnReI9s8cIfQ=",
        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Sat, 22 Aug 2020 16:46:05 +0300",
        "Message-Id": "<20200822134605.17666-4-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.27.0",
        "In-Reply-To": "<20200822134605.17666-1-laurent.pinchart@ideasonboard.com>",
        "References": "<20200822134605.17666-1-laurent.pinchart@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Subject": "[libcamera-devel] [PATCH 3/3] v4l2: camera: Merge getStreamConfig()\n\twith open()",
        "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>",
        "Content-Type": "text/plain; charset=\"us-ascii\"",
        "Content-Transfer-Encoding": "7bit",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "The V4L2CameraProxy always calls V4L2Camera::getStreamConfig() right\nafter V4L2Camera::open(), and never afterwards. Simplify the code by\nreturning the initial configuration from V4L2Camera::open() and removing\nV4L2Camera::getStreamConfig().\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/v4l2/v4l2_camera.cpp       | 8 ++------\n src/v4l2/v4l2_camera.h         | 4 ++--\n src/v4l2/v4l2_camera_proxy.cpp | 3 +--\n 3 files changed, 5 insertions(+), 10 deletions(-)",
    "diff": "diff --git a/src/v4l2/v4l2_camera.cpp b/src/v4l2/v4l2_camera.cpp\nindex 61bca0732447..24805d5f3c3f 100644\n--- a/src/v4l2/v4l2_camera.cpp\n+++ b/src/v4l2/v4l2_camera.cpp\n@@ -28,7 +28,7 @@ V4L2Camera::~V4L2Camera()\n \tclose();\n }\n \n-int V4L2Camera::open()\n+int V4L2Camera::open(StreamConfiguration *streamConfig)\n {\n \tif (camera_->acquire() < 0) {\n \t\tLOG(V4L2Compat, Error) << \"Failed to acquire camera\";\n@@ -43,6 +43,7 @@ int V4L2Camera::open()\n \n \tbufferAllocator_ = new FrameBufferAllocator(camera_);\n \n+\t*streamConfig = config_->at(0);\n \treturn 0;\n }\n \n@@ -64,11 +65,6 @@ void V4L2Camera::unbind()\n \tefd_ = -1;\n }\n \n-void V4L2Camera::getStreamConfig(StreamConfiguration *streamConfig)\n-{\n-\t*streamConfig = config_->at(0);\n-}\n-\n std::vector<V4L2Camera::Buffer> V4L2Camera::completedBuffers()\n {\n \tstd::vector<Buffer> v;\ndiff --git a/src/v4l2/v4l2_camera.h b/src/v4l2/v4l2_camera.h\nindex be6c4e187363..1fc5ebefef6a 100644\n--- a/src/v4l2/v4l2_camera.h\n+++ b/src/v4l2/v4l2_camera.h\n@@ -37,11 +37,11 @@ public:\n \tV4L2Camera(std::shared_ptr<Camera> camera);\n \t~V4L2Camera();\n \n-\tint open();\n+\tint open(StreamConfiguration *streamConfig);\n \tvoid close();\n \tvoid bind(int efd);\n \tvoid unbind();\n-\tvoid getStreamConfig(StreamConfiguration *streamConfig);\n+\n \tstd::vector<Buffer> completedBuffers();\n \n \tint configure(StreamConfiguration *streamConfigOut,\ndiff --git a/src/v4l2/v4l2_camera_proxy.cpp b/src/v4l2/v4l2_camera_proxy.cpp\nindex 80287d8f164e..8ff990f68fcd 100644\n--- a/src/v4l2/v4l2_camera_proxy.cpp\n+++ b/src/v4l2/v4l2_camera_proxy.cpp\n@@ -63,13 +63,12 @@ int V4L2CameraProxy::open(V4L2CameraFile *file)\n \t * with count = 0.\n \t */\n \n-\tint ret = vcam_->open();\n+\tint ret = vcam_->open(&streamConfig_);\n \tif (ret < 0) {\n \t\trefcount_--;\n \t\treturn ret;\n \t}\n \n-\tvcam_->getStreamConfig(&streamConfig_);\n \tsetFmtFromConfig(streamConfig_);\n \n \tfiles_.insert(file);\n",
    "prefixes": [
        "libcamera-devel",
        "3/3"
    ]
}