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{
    "id": 11086,
    "url": "https://patchwork.libcamera.org/api/patches/11086/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/11086/",
    "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": "<20210131224702.8838-8-laurent.pinchart@ideasonboard.com>",
    "date": "2021-01-31T22:46:49",
    "name": "[libcamera-devel,07/20] libcamera: pipeline: simple: converter: Replace open() with isValid()",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "2028a4aad6c54c32ae5ad2ddb0b1f5b514b3093b",
    "submitter": {
        "id": 2,
        "url": "https://patchwork.libcamera.org/api/people/2/?format=api",
        "name": "Laurent Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "delegate": {
        "id": 14,
        "url": "https://patchwork.libcamera.org/api/users/14/?format=api",
        "username": "pinchartl",
        "first_name": "Laurent",
        "last_name": "Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "mbox": "https://patchwork.libcamera.org/patch/11086/mbox/",
    "series": [
        {
            "id": 1633,
            "url": "https://patchwork.libcamera.org/api/series/1633/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1633",
            "date": "2021-01-31T22:46:42",
            "name": "[libcamera-devel,01/20] libcamera: pipeline: simple: Manage converter with std::unique_ptr<>",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/1633/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/11086/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/11086/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 9ECDDBD808\n\tfor <parsemail@patchwork.libcamera.org>;\n\tSun, 31 Jan 2021 22:47:38 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 4B511683F5;\n\tSun, 31 Jan 2021 23:47:38 +0100 (CET)",
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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=\"E8zaFpn/\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1612133250;\n\tbh=G9q7k/ellxmM5flEfJJTPlrdY8qbq6/u+UXrzKmEW5o=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=E8zaFpn/yAh65Uol+dv8Nqt3HAUwT2gCkE88V4J7copkLQICUXj6ab33mZv3RTKyH\n\tFiD4FWEqgYAFpJYyFXM2jwdLDV9KYaKPLkBYXFvcGY5dm7TymJiDxAeg8vo2j41zzh\n\te3TFuyySqANTcdhZJYTBtk9vqdlOzHQ3MjGjf3Kg=",
        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Mon,  1 Feb 2021 00:46:49 +0200",
        "Message-Id": "<20210131224702.8838-8-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.28.0",
        "In-Reply-To": "<20210131224702.8838-1-laurent.pinchart@ideasonboard.com>",
        "References": "<20210131224702.8838-1-laurent.pinchart@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Subject": "[libcamera-devel] [PATCH 07/20] libcamera: pipeline: simple:\n\tconverter: Replace open() with isValid()",
        "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>",
        "Cc": "Phi-Bang Nguyen <pnguyen@baylibre.com>",
        "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": "Simplify the SimpleConverter interface by opening the M2M device in the\nconstructor. The explicit call to open() is replaced by a check through\na new isValid() function, and the unused close() function is removed.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/libcamera/pipeline/simple/converter.cpp | 20 ++++++--------------\n src/libcamera/pipeline/simple/converter.h   |  3 +--\n src/libcamera/pipeline/simple/simple.cpp    |  4 ++--\n 3 files changed, 9 insertions(+), 18 deletions(-)",
    "diff": "diff --git a/src/libcamera/pipeline/simple/converter.cpp b/src/libcamera/pipeline/simple/converter.cpp\nindex 6b3249ea92b0..f782fbc63b09 100644\n--- a/src/libcamera/pipeline/simple/converter.cpp\n+++ b/src/libcamera/pipeline/simple/converter.cpp\n@@ -39,24 +39,16 @@ SimpleConverter::SimpleConverter(MediaDevice *media)\n \n \tm2m_ = std::make_unique<V4L2M2MDevice>((*it)->deviceNode());\n \n+\tint ret = m2m_->open();\n+\tif (ret < 0) {\n+\t\tm2m_.reset();\n+\t\treturn;\n+\t}\n+\n \tm2m_->output()->bufferReady.connect(this, &SimpleConverter::outputBufferReady);\n \tm2m_->capture()->bufferReady.connect(this, &SimpleConverter::captureBufferReady);\n }\n \n-int SimpleConverter::open()\n-{\n-\tif (!m2m_)\n-\t\treturn -ENODEV;\n-\n-\treturn m2m_->open();\n-}\n-\n-void SimpleConverter::close()\n-{\n-\tif (m2m_)\n-\t\tm2m_->close();\n-}\n-\n std::vector<PixelFormat> SimpleConverter::formats(PixelFormat input)\n {\n \tif (!m2m_)\ndiff --git a/src/libcamera/pipeline/simple/converter.h b/src/libcamera/pipeline/simple/converter.h\nindex a1503a6099ff..780bfa8f7832 100644\n--- a/src/libcamera/pipeline/simple/converter.h\n+++ b/src/libcamera/pipeline/simple/converter.h\n@@ -30,8 +30,7 @@ class SimpleConverter\n public:\n \tSimpleConverter(MediaDevice *media);\n \n-\tint open();\n-\tvoid close();\n+\tbool isValid() const { return m2m_ != nullptr; }\n \n \tstd::vector<PixelFormat> formats(PixelFormat input);\n \tSizeRange sizes(const Size &input);\ndiff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp\nindex 8c0bca36bbfb..20a4ebca94fd 100644\n--- a/src/libcamera/pipeline/simple/simple.cpp\n+++ b/src/libcamera/pipeline/simple/simple.cpp\n@@ -763,9 +763,9 @@ bool SimplePipelineHandler::match(DeviceEnumerator *enumerator)\n \t/* Open the converter, if any. */\n \tif (converter) {\n \t\tconverter_ = std::make_unique<SimpleConverter>(converter);\n-\t\tif (converter_->open() < 0) {\n+\t\tif (!converter_->isValid()) {\n \t\t\tLOG(SimplePipeline, Warning)\n-\t\t\t\t<< \"Failed to open converter, disabling format conversion\";\n+\t\t\t\t<< \"Failed to create converter, disabling format conversion\";\n \t\t\tconverter_.reset();\n \t\t} else {\n \t\t\tconverter_->bufferReady.connect(this, &SimplePipelineHandler::converterDone);\n",
    "prefixes": [
        "libcamera-devel",
        "07/20"
    ]
}