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{
    "id": 19086,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/19086/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/19086/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
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        "web_url": "",
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    },
    "msgid": "<20230925102714.31780-1-naush@raspberrypi.com>",
    "date": "2023-09-25T10:27:14",
    "name": "[libcamera-devel] ipa: rpi: Fix frame count logic when running algorithms",
    "commit_ref": "51533fecae8d9efb82a436eb26504cb8a8db9170",
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    "hash": "4b31887e0e79e56ea53cb61f297ff6e144900851",
    "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/19086/mbox/",
    "series": [
        {
            "id": 4037,
            "url": "https://patchwork.libcamera.org/api/1.1/series/4037/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4037",
            "date": "2023-09-25T10:27:14",
            "name": "[libcamera-devel] ipa: rpi: Fix frame count logic when running algorithms",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/4037/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/19086/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/19086/checks/",
    "tags": {},
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        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Mon, 25 Sep 2023 11:27:14 +0100",
        "Message-Id": "<20230925102714.31780-1-naush@raspberrypi.com>",
        "X-Mailer": "git-send-email 2.34.1",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH] ipa: rpi: Fix frame count logic when\n\trunning algorithms",
        "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": "The frame counter test to determine if we run the IPA algorithms has a\nlogic bug where it treats dropFrameCount_ and mistrustCount_ as frame\nnumbers, not counts of frames (which it is). The implication is that\nstartup convergence and initial settings take one extra frame to apply.\nFix this.\n\nSigned-off-by: Naushir Patuck <naush@raspberrypi.com>\n---\n src/ipa/rpi/common/ipa_base.cpp | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/src/ipa/rpi/common/ipa_base.cpp b/src/ipa/rpi/common/ipa_base.cpp\nindex f7e7ad5ee499..5d8344e3e7e3 100644\n--- a/src/ipa/rpi/common/ipa_base.cpp\n+++ b/src/ipa/rpi/common/ipa_base.cpp\n@@ -409,7 +409,7 @@ void IpaBase::prepareIsp(const PrepareParams &params)\n \n \t/* Allow a 10% margin on the comparison below. */\n \tDuration delta = (frameTimestamp - lastRunTimestamp_) * 1.0ns;\n-\tif (lastRunTimestamp_ && frameCount_ > dropFrameCount_ &&\n+\tif (lastRunTimestamp_ && frameCount_ >= dropFrameCount_ &&\n \t    delta < controllerMinFrameDuration * 0.9) {\n \t\t/*\n \t\t * Ensure we merge the previous frame's metadata with the current\n@@ -451,7 +451,7 @@ void IpaBase::processStats(const ProcessParams &params)\n {\n \tunsigned int ipaContext = params.ipaContext % rpiMetadata_.size();\n \n-\tif (processPending_ && frameCount_ > mistrustCount_) {\n+\tif (processPending_ && frameCount_ >= mistrustCount_) {\n \t\tRPiController::Metadata &rpiMetadata = rpiMetadata_[ipaContext];\n \n \t\tauto it = buffers_.find(params.buffers.stats);\n",
    "prefixes": [
        "libcamera-devel"
    ]
}