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{ "id": 24596, "url": "https://patchwork.libcamera.org/api/1.1/covers/24596/?format=api", "web_url": "https://patchwork.libcamera.org/cover/24596/", "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": "<20251012142052.90611-1-robert.mader@collabora.com>", "date": "2025-10-12T14:20:49", "name": "[v5,0/3] pipeline: simple: Allow buffer counts from 1 to 32", "submitter": { "id": 140, "url": "https://patchwork.libcamera.org/api/1.1/people/140/?format=api", "name": "Robert Mader", "email": "robert.mader@collabora.com" }, "mbox": "https://patchwork.libcamera.org/cover/24596/mbox/", "series": [ { "id": 5487, "url": "https://patchwork.libcamera.org/api/1.1/series/5487/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5487", "date": "2025-10-12T14:20:49", "name": "pipeline: simple: Allow buffer counts from 1 to 32", "version": 5, "mbox": "https://patchwork.libcamera.org/series/5487/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/24596/comments/", "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 34EF0BE080\n\tfor <parsemail@patchwork.libcamera.org>;\n\tSun, 12 Oct 2025 14:21:30 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 38EB36044D;\n\tSun, 12 Oct 2025 16:21:29 +0200 (CEST)", "from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com\n\t[136.143.188.112])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A14CF6031E\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSun, 12 Oct 2025 16:21:26 +0200 (CEST)", "by mx.zohomail.com with SMTPS id 17602788796286.340316730453765;\n\tSun, 12 Oct 2025 07:21:19 -0700 (PDT)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=collabora.com\n\theader.i=robert.mader@collabora.com header.b=\"EaR7tfA7\"; \n\tdkim-atps=neutral", "ARC-Seal": "i=1; a=rsa-sha256; t=1760278882; cv=none; \n\td=zohomail.com; s=zohoarc; \n\tb=aH9amZucDCH876EqW4imlmSzxajACifNMUWaEIVntX5gS6lX5S8k6lCzOaVVYOFJ/q3bMKDuR9yy3EiCcS/4cxodYiuJsZAfjoHm5o/LaFA8VWQmMW1tItix+bS+bnlm0KHQZ0IOnJNVmvK1PucCKJvO0fBTc1po08wwVeM7Aeo=", "ARC-Message-Signature": "i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; \n\ts=zohoarc; t=1760278882;\n\th=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To;\n\tbh=2ayKGVcuDSHIQAhCLziwFWuEqTkpzd6dQrUtN5Vai3Q=; \n\tb=Mhqn8EDHgPYqqoi9JIstljR94Q2u1Uxu4cPN4DkaucfvTbXxT+O9cX/gpfHE3li9DS5rOiygGO+qcopRRh3/+pivw2HnsCfy3SQZ7qgHoYMOP9iqlbQLmYAs+/+0yfzBwIsR0Rw2FSvS666P6mMBKVok4ra3nhVtjnZDVbXZRHg=", "ARC-Authentication-Results": "i=1; mx.zohomail.com;\n\tdkim=pass header.i=collabora.com;\n\tspf=pass smtp.mailfrom=robert.mader@collabora.com;\n\tdmarc=pass header.from=<robert.mader@collabora.com>", "DKIM-Signature": "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1760278882;\n\ts=zohomail; d=collabora.com; i=robert.mader@collabora.com;\n\th=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To;\n\tbh=2ayKGVcuDSHIQAhCLziwFWuEqTkpzd6dQrUtN5Vai3Q=;\n\tb=EaR7tfA7TzkDEd8uW+tx8bkkN0Dkk6LDPhv0temZvWPYDEUgyzZDDO/8RS5XEIlY\n\tyyHvUzEVW/CZlb7bW25UJ9TtUTHh2/ZSLLJgLMVvNeVVNmyCEcItIw6pyZSubSdp3NK\n\tESAmF39JdTR/sySmKX5BEQm5TgggjtvkmMxkIwZ8=", "From": "Robert Mader <robert.mader@collabora.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Robert Mader <robert.mader@collabora.com>", "Subject": "[PATCH v5 0/3] pipeline: simple: Allow buffer counts from 1 to 32", "Date": "Sun, 12 Oct 2025 16:20:49 +0200", "Message-ID": "<20251012142052.90611-1-robert.mader@collabora.com>", "X-Mailer": "git-send-email 2.51.0", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "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": "The last and main commit of this series implements what the title says.\nThe first commit is a preparation to avoid regressions and the second\ncommit aligns the internal buffer count for the SW-ISP.\n\nChanges in v5:\n1. Reorder commits and add cover-letter.\n2. Adopted suggestions for commit messages.\n3. Added more tags.\n\nChanges in v4:\n1. Limit the number of queued requests to 4\n\nChanges in v3:\n1. Adopeted code cleanup suggestion - no change in behavior.\n2. Split out change of kNumInternalBuffers.\n3. Minor commit message changes.\n\nChanges since v1 with title \"pipeline: simple: Allow buffer counts from 1 to 16 for swISP\"\n1: Cover all cases, not just the swISP one.\n2: Increase maximum to 32 to match vb2 core.\n3: Change constant naming to better match similar ones.\n4: Bump kNumInternalBuffers to 4.\n\nRobert Mader (3):\n pipeline: simple: Initialize maxQueuedRequestsDevice to 4\n pipeline: simple: Increase internal buffers for software ISP to 4\n pipeline: simple: Allow buffer counts from 1 to 32\n\nsrc/libcamera/pipeline/simple/simple.cpp | 24 ++++++++++++++++++++----\n 1 file changed, 20 insertions(+), 4 deletions(-)" }