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{
    "id": 22103,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/22103/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/22103/",
    "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": "<20241126180302.685265-1-pobrn@protonmail.com>",
    "date": "2024-11-26T18:03:05",
    "name": "[v1] libcamera: Don't copy `StreamConfiguration` when iterating",
    "commit_ref": "4e557e544bce6da8c00c73de2dfe76403bbf8c00",
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "8b6f5ae2571774b7d69b12be06eba116597a9b50",
    "submitter": {
        "id": 133,
        "url": "https://patchwork.libcamera.org/api/1.1/people/133/?format=api",
        "name": "Pőcze Barnabás",
        "email": "pobrn@protonmail.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/22103/mbox/",
    "series": [
        {
            "id": 4824,
            "url": "https://patchwork.libcamera.org/api/1.1/series/4824/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4824",
            "date": "2024-11-26T18:03:05",
            "name": "[v1] libcamera: Don't copy `StreamConfiguration` when iterating",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/4824/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/22103/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/22103/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 5CEFEC3200\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 26 Nov 2024 18:03:17 +0000 (UTC)",
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        ],
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        "Date": "Tue, 26 Nov 2024 18:03:05 +0000",
        "To": "libcamera-devel@lists.libcamera.org",
        "From": "=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= <pobrn@protonmail.com>",
        "Subject": "[PATCH v1] libcamera: Don't copy `StreamConfiguration` when\n\titerating",
        "Message-ID": "<20241126180302.685265-1-pobrn@protonmail.com>",
        "Feedback-ID": "20568564:user:proton",
        "X-Pm-Message-ID": "1092274ac55c45e4b3db78d4957c5b9025092fcc",
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        "Content-Type": "text/plain; charset=utf-8",
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        "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": "A copy is made in the range-based for loop, and thus all modifications\ndone in the for loop body are lost, and not actually applied to\nthe object in the container.\n\nFix that by taking a reference in the range-based for loop.\n\nFixes: 4217c9f1aa863c (\"libcamera: camera: Zero streams before validate()\")\nFixes: 613d5402673eb9 (\"pipeline: raspberrypi: Fix handling of colour spaces\")\nSigned-off-by: Barnabás Pőcze <pobrn@protonmail.com>\n---\n src/libcamera/camera.cpp                            | 4 ++--\n src/libcamera/pipeline/rpi/common/pipeline_base.cpp | 4 ++--\n 2 files changed, 4 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/src/libcamera/camera.cpp b/src/libcamera/camera.cpp\nindex 7507e9dd..4c865a46 100644\n--- a/src/libcamera/camera.cpp\n+++ b/src/libcamera/camera.cpp\n@@ -1178,8 +1178,8 @@ int Camera::configure(CameraConfiguration *config)\n \tif (ret < 0)\n \t\treturn ret;\n \n-\tfor (auto it : *config)\n-\t\tit.setStream(nullptr);\n+\tfor (auto &cfg : *config)\n+\t\tcfg.setStream(nullptr);\n \n \tif (config->validate() != CameraConfiguration::Valid) {\n \t\tLOG(Camera, Error)\ndiff --git a/src/libcamera/pipeline/rpi/common/pipeline_base.cpp b/src/libcamera/pipeline/rpi/common/pipeline_base.cpp\nindex 9e2d9d23..6f278b29 100644\n--- a/src/libcamera/pipeline/rpi/common/pipeline_base.cpp\n+++ b/src/libcamera/pipeline/rpi/common/pipeline_base.cpp\n@@ -105,7 +105,7 @@ CameraConfiguration::Status RPiCameraConfiguration::validateColorSpaces([[maybe_\n \tStatus status = Valid;\n \tyuvColorSpace_.reset();\n \n-\tfor (auto cfg : config_) {\n+\tfor (auto &cfg : config_) {\n \t\t/* First fix up raw streams to have the \"raw\" colour space. */\n \t\tif (PipelineHandlerBase::isRaw(cfg.pixelFormat)) {\n \t\t\t/* If there was no value here, that doesn't count as \"adjusted\". */\n@@ -130,7 +130,7 @@ CameraConfiguration::Status RPiCameraConfiguration::validateColorSpaces([[maybe_\n \trgbColorSpace_->range = ColorSpace::Range::Full;\n \n \t/* Go through the streams again and force everyone to the same colour space. */\n-\tfor (auto cfg : config_) {\n+\tfor (auto &cfg : config_) {\n \t\tif (cfg.colorSpace == ColorSpace::Raw)\n \t\t\tcontinue;\n \n",
    "prefixes": [
        "v1"
    ]
}