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{ "id": 22849, "url": "https://patchwork.libcamera.org/api/patches/22849/?format=api", "web_url": "https://patchwork.libcamera.org/patch/22849/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/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": "<20250224185235.43381-4-mzamazal@redhat.com>", "date": "2025-02-24T18:52:33", "name": "[v2,3/5] libcamera: software_isp: Handle queued input buffers on stop", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": false, "hash": "1eee451010d38119c4014b35cde61735b269aa2a", "submitter": { "id": 177, "url": "https://patchwork.libcamera.org/api/people/177/?format=api", "name": "Milan Zamazal", "email": "mzamazal@redhat.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/22849/mbox/", "series": [ { "id": 5016, "url": "https://patchwork.libcamera.org/api/series/5016/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5016", "date": "2025-02-24T18:52:30", "name": "Fix occasional software ISP assertion error on stop", "version": 2, "mbox": "https://patchwork.libcamera.org/series/5016/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/22849/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/22849/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 D1EA7C32A9\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 24 Feb 2025 18:52:58 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 8BB3268701;\n\tMon, 24 Feb 2025 19:52:58 +0100 (CET)", "from us-smtp-delivery-124.mimecast.com\n\t(us-smtp-delivery-124.mimecast.com [170.10.129.124])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 9411E686FA\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 24 Feb 2025 19:52:57 +0100 (CET)", "from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com\n\t(ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63])\n\tby relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3,\n\tcipher=TLS_AES_256_GCM_SHA384) id us-mta-167-HTrxplobPjWaOUgaNU5M2g-1;\n\tMon, 24 Feb 2025 13:52:53 -0500", "from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com\n\t(mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com\n\t[10.30.177.111])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\tkey-exchange X25519 server-signature RSA-PSS (2048 bits)\n\tserver-digest SHA256) (No client certificate requested)\n\tby mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTPS id 56B3A19039C2; Mon, 24 Feb 2025 18:52:52 +0000 (UTC)", "from mzamazal-thinkpadp1gen7.tpbc.com (unknown [10.45.225.60])\n\tby mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTP id 5AD1D1800358; Mon, 24 Feb 2025 18:52:50 +0000 (UTC)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=redhat.com header.i=@redhat.com\n\theader.b=\"ZbUytq3F\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n\ts=mimecast20190719; t=1740423176;\n\th=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n\tto:to:cc:cc:mime-version:mime-version:content-type:content-type:\n\tcontent-transfer-encoding:content-transfer-encoding:\n\tin-reply-to:in-reply-to:references:references;\n\tbh=a2/uxq3M7+7hr2SML4vsDQcWpZ0TRLIggA7kU6LG8zE=;\n\tb=ZbUytq3FusSeW/rMNL4+n15TiUiMHgxSeA+/KEk/Bz7HMaiEIANGc+aEhWgBVDesYG+O3h\n\tp1Pm5oMZA9BzyWM46ATdttDxGG047o8FYHm7TkaVmioprMEZeIZAlRKWA68TJud80X/Nhn\n\tw4IY6qtmiBjd8F6zb8Ui+IWNW3q1cDI=", "X-MC-Unique": "HTrxplobPjWaOUgaNU5M2g-1", "X-Mimecast-MFC-AGG-ID": "HTrxplobPjWaOUgaNU5M2g_1740423172", "From": "Milan Zamazal <mzamazal@redhat.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Milan Zamazal <mzamazal@redhat.com>,\n\tStanislaw Gruszka <stanislaw.gruszka@linux.intel.com>,\n\tLaurent Pinchart <laurent.pinchart@ideasonboard.com>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>", "Subject": "[PATCH v2 3/5] libcamera: software_isp: Handle queued input buffers\n\ton stop", "Date": "Mon, 24 Feb 2025 19:52:33 +0100", "Message-ID": "<20250224185235.43381-4-mzamazal@redhat.com>", "In-Reply-To": "<20250224185235.43381-1-mzamazal@redhat.com>", "References": "<20250224185235.43381-1-mzamazal@redhat.com>", "MIME-Version": "1.0", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.30.177.111", "X-Mimecast-Spam-Score": "0", "X-Mimecast-MFC-PROC-ID": "yojJcimGCQ6lPK4DTdvPgLTFhlcK3EsDOYbqZf1V6Vk_1740423172", "X-Mimecast-Originator": "redhat.com", "Content-Transfer-Encoding": "8bit", "content-type": "text/plain; charset=\"US-ASCII\"; x-default=true", "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": "When SoftwareIsp stops, input and output buffers queued to it may not\nyet be fully processed. They will be eventually returned but stop means\nstop, there should be no processing related actions invoked afterwards.\n\nLet's stop forwarding processed input buffers from SoftwareIsp slots\nwhen SoftwareIsp is stopped. Let's track the queued input buffers and\nreturn them back for capture in SoftwareIsp::stop().\n\nSigned-off-by: Milan Zamazal <mzamazal@redhat.com>\n---\n .../internal/software_isp/software_isp.h | 1 +\n src/libcamera/software_isp/software_isp.cpp | 16 +++++++++++++++-\n 2 files changed, 16 insertions(+), 1 deletion(-)", "diff": "diff --git a/include/libcamera/internal/software_isp/software_isp.h b/include/libcamera/internal/software_isp/software_isp.h\nindex f2344355..bfe34725 100644\n--- a/include/libcamera/internal/software_isp/software_isp.h\n+++ b/include/libcamera/internal/software_isp/software_isp.h\n@@ -102,6 +102,7 @@ private:\n \tstd::unique_ptr<ipa::soft::IPAProxySoft> ipa_;\n \tbool running_;\n \tstd::deque<FrameBuffer *> queuedOutputBuffers_;\n+\tstd::deque<FrameBuffer *> queuedInputBuffers_;\n };\n \n } /* namespace libcamera */\ndiff --git a/src/libcamera/software_isp/software_isp.cpp b/src/libcamera/software_isp/software_isp.cpp\nindex 4339e547..3a605ab2 100644\n--- a/src/libcamera/software_isp/software_isp.cpp\n+++ b/src/libcamera/software_isp/software_isp.cpp\n@@ -301,6 +301,8 @@ int SoftwareIsp::queueBuffers(uint32_t frame, FrameBuffer *input,\n \t\t\treturn -EINVAL;\n \t}\n \n+\tqueuedInputBuffers_.push_back(input);\n+\n \tfor (auto iter = outputs.begin(); iter != outputs.end(); iter++) {\n \t\tFrameBuffer *const buffer = iter->second;\n \t\tqueuedOutputBuffers_.push_back(buffer);\n@@ -327,6 +329,9 @@ int SoftwareIsp::start()\n \n /**\n * \\brief Stops the Software ISP streaming operation\n+ *\n+ * All pending buffers are returned back (output buffers as canceled) before\n+ * this method finishes.\n */\n void SoftwareIsp::stop()\n {\n@@ -342,6 +347,10 @@ void SoftwareIsp::stop()\n \t\toutputBufferReady.emit(buffer);\n \t}\n \tqueuedOutputBuffers_.clear();\n+\n+\tfor (auto buffer : queuedInputBuffers_)\n+\t\tinputBufferReady.emit(buffer);\n+\tqueuedInputBuffers_.clear();\n }\n \n /**\n@@ -375,7 +384,12 @@ void SoftwareIsp::statsReady(uint32_t frame, uint32_t bufferId)\n \n void SoftwareIsp::inputReady(FrameBuffer *input)\n {\n-\tinputBufferReady.emit(input);\n+\tif (running_) {\n+\t\tqueuedInputBuffers_.erase(find(queuedInputBuffers_.begin(),\n+\t\t\t\t\t queuedInputBuffers_.end(),\n+\t\t\t\t\t input));\n+\t\tinputBufferReady.emit(input);\n+\t}\n }\n \n void SoftwareIsp::outputReady(FrameBuffer *output)\n", "prefixes": [ "v2", "3/5" ] }