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{
    "id": 17832,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/17832/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/17832/",
    "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": "<20221122112224.31691-4-naush@raspberrypi.com>",
    "date": "2022-11-22T11:22:22",
    "name": "[libcamera-devel,v1,3/5] ipa: raspberrypi: awb: Delay release of the statistics buffer",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "bfeaf5625c13acb70d2cf68ebd0eaf6be7f73509",
    "submitter": {
        "id": 34,
        "url": "https://patchwork.libcamera.org/api/1.1/people/34/?format=api",
        "name": "Naushir Patuck",
        "email": "naush@raspberrypi.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/17832/mbox/",
    "series": [
        {
            "id": 3627,
            "url": "https://patchwork.libcamera.org/api/1.1/series/3627/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3627",
            "date": "2022-11-22T11:22:19",
            "name": "Raspberry Pi: Generalise statistics",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/3627/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/17832/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/17832/checks/",
    "tags": {},
    "headers": {
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        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Tue, 22 Nov 2022 11:22:22 +0000",
        "Message-Id": "<20221122112224.31691-4-naush@raspberrypi.com>",
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        "References": "<20221122112224.31691-1-naush@raspberrypi.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v1 3/5] ipa: raspberrypi: awb: Delay\n\trelease of the statistics buffer",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "<libcamera-devel.lists.libcamera.org>",
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        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "From": "Naushir Patuck via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>",
        "Reply-To": "Naushir Patuck <naush@raspberrypi.com>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Release the statistics buffer after running the through the AWB calculations.\nOnly the \"counted\" statistics are copied out to a local structure, so keeping\nthe statistics buffer allows the algorithm to see the \"uncounted\" statistics as\nwell.\n\nThis is currently handled by hard-coding the total number of statistics regions\nregions based on the structure definition in the bcm2835_isp_stats structure.\n\nSigned-off-by: Naushir Patuck <naush@raspberrypi.com>\n---\n src/ipa/raspberrypi/controller/rpi/awb.cpp | 10 +++++-----\n 1 file changed, 5 insertions(+), 5 deletions(-)",
    "diff": "diff --git a/src/ipa/raspberrypi/controller/rpi/awb.cpp b/src/ipa/raspberrypi/controller/rpi/awb.cpp\nindex 8d8ddf0913f7..861022014896 100644\n--- a/src/ipa/raspberrypi/controller/rpi/awb.cpp\n+++ b/src/ipa/raspberrypi/controller/rpi/awb.cpp\n@@ -432,11 +432,6 @@ void Awb::prepareStats()\n \t */\n \tgenerateStats(zones_, statistics_->awb_stats, config_.minPixels,\n \t\t      config_.minG);\n-\t/*\n-\t * we're done with these; we may as well relinquish our hold on the\n-\t * pointer.\n-\t */\n-\tstatistics_.reset();\n \t/*\n \t * apply sensitivities, so values appear to come from our \"canonical\"\n \t * sensor.\n@@ -733,6 +728,11 @@ void Awb::doAwb()\n \t\t\t<< \" with gains r \" << asyncResults_.gainR\n \t\t\t<< \" and b \" << asyncResults_.gainB;\n \t}\n+\t/*\n+\t * we're done with these; we may as well relinquish our hold on the\n+\t * pointer.\n+\t */\n+\tstatistics_.reset();\n }\n \n /* Register algorithm with the system. */\n",
    "prefixes": [
        "libcamera-devel",
        "v1",
        "3/5"
    ]
}