{"id":24596,"url":"https://patchwork.libcamera.org/api/covers/24596/?format=json","web_url":"https://patchwork.libcamera.org/cover/24596/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","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/people/140/?format=json","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/series/5487/?format=json","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":"","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 ;\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 ;\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=","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 ","To":"libcamera-devel@lists.libcamera.org","Cc":"Robert Mader ","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":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"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(-)"}