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{ "id": 25231, "url": "https://patchwork.libcamera.org/api/patches/25231/?format=api", "web_url": "https://patchwork.libcamera.org/patch/25231/", "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": "<20251127022256.178929-18-bryan.odonoghue@linaro.org>", "date": "2025-11-27T02:22:49", "name": "[v2,17/22] libcamera: software_isp: debayer: Introduce a stop() callback to the debayer object", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "1ae4035c5ff52bf6da15d1aaa09b1e5c2cc7c031", "submitter": { "id": 175, "url": "https://patchwork.libcamera.org/api/people/175/?format=api", "name": "Bryan O'Donoghue", "email": "bryan.odonoghue@linaro.org" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/25231/mbox/", "series": [ { "id": 5616, "url": "https://patchwork.libcamera.org/api/series/5616/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5616", "date": "2025-11-27T02:22:32", "name": "GPUISP precursor series", "version": 2, "mbox": "https://patchwork.libcamera.org/series/5616/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/25231/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/25231/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 1CD9DC3260\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 27 Nov 2025 02:23:46 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id C2CA860B2F;\n\tThu, 27 Nov 2025 03:23:45 +0100 (CET)", "from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com\n\t[IPv6:2a00:1450:4864:20::32d])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 2D08D60AC5\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 27 Nov 2025 03:23:42 +0100 (CET)", "by mail-wm1-x32d.google.com with SMTP id\n\t5b1f17b1804b1-477632d9326so1652895e9.1\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 26 Nov 2025 18:23:42 -0800 (PST)", "from inspiron14p-linux.ht.home (188-141-3-146.dynamic.upc.ie.\n\t[188.141.3.146]) by smtp.gmail.com with ESMTPSA id\n\t5b1f17b1804b1-4790b0e21e8sm71549495e9.15.2025.11.26.18.23.40\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tWed, 26 Nov 2025 18:23:41 -0800 (PST)" ], "Authentication-Results": "lancelot.ideasonboard.com; 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\n\tWed, 26 Nov 2025 18:23:41 -0800 (PST)", "From": "Bryan O'Donoghue <bryan.odonoghue@linaro.org>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "pavel@ucw.cz, Bryan O'Donoghue <bryan.odonoghue@linaro.org>,\n\tMilan Zamazal <mzamazal@redhat.com>", "Subject": "[PATCH v2 17/22] libcamera: software_isp: debayer: Introduce a\n\tstop() callback to the debayer object", "Date": "Thu, 27 Nov 2025 02:22:49 +0000", "Message-ID": "<20251127022256.178929-18-bryan.odonoghue@linaro.org>", "X-Mailer": "git-send-email 2.51.2", "In-Reply-To": "<20251127022256.178929-1-bryan.odonoghue@linaro.org>", "References": "<20251127022256.178929-1-bryan.odonoghue@linaro.org>", "MIME-Version": "1.0", "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 eGL class wants to be able to teardown its sync_ data member\nproperly but, doing so in the destructor means we can't make the eGL\ncontext current and thus can't tear down the sync primitive properly.\n\nIntroduce a stop() method to the debayer class which triggers from the\nsoftisp's stop method, allowing a controlled and appropriate tear-down\nof debayer-egl and egl class related data well before the destructors\nget invoked.\n\nReviewed-by: Milan Zamazal <mzamazal@redhat.com>\n[bod: Made method blocking not queued per Robert's bugfixes]\nSigned-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>\n---\n src/libcamera/software_isp/debayer.h | 1 +\n src/libcamera/software_isp/debayer_cpu.cpp | 10 ++++++++++\n src/libcamera/software_isp/debayer_cpu.h | 1 +\n src/libcamera/software_isp/software_isp.cpp | 3 +++\n 4 files changed, 15 insertions(+)", "diff": "diff --git a/src/libcamera/software_isp/debayer.h b/src/libcamera/software_isp/debayer.h\nindex 451c1c9ac..088b062c0 100644\n--- a/src/libcamera/software_isp/debayer.h\n+++ b/src/libcamera/software_isp/debayer.h\n@@ -48,6 +48,7 @@ public:\n \tstrideAndFrameSize(const PixelFormat &outputFormat, const Size &size) = 0;\n \n \tvirtual void process(uint32_t frame, FrameBuffer *input, FrameBuffer *output, DebayerParams params) = 0;\n+\tvirtual void stop() = 0;\n \n \tvirtual SizeRange sizes(PixelFormat inputFormat, const Size &inputSize) = 0;\n \ndiff --git a/src/libcamera/software_isp/debayer_cpu.cpp b/src/libcamera/software_isp/debayer_cpu.cpp\nindex 00738c56b..28fb8ca50 100644\n--- a/src/libcamera/software_isp/debayer_cpu.cpp\n+++ b/src/libcamera/software_isp/debayer_cpu.cpp\n@@ -788,6 +788,16 @@ void DebayerCpu::process(uint32_t frame, FrameBuffer *input, FrameBuffer *output\n \tinputBufferReady.emit(input);\n }\n \n+/**\n+ * \\fn void Debayer::stop()\n+ * \\brief Stop the debayering process and perform cleanup\n+ *\n+ * In the DebayerCPU case this is an empty stub function but\n+ * for the GPU case this does something useful. The stub here is to\n+ * ensure the right version of the virtual gets called.\n+ */\n+void DebayerCpu::stop() {}\n+\n SizeRange DebayerCpu::sizes(PixelFormat inputFormat, const Size &inputSize)\n {\n \tSize patternSize = this->patternSize(inputFormat);\ndiff --git a/src/libcamera/software_isp/debayer_cpu.h b/src/libcamera/software_isp/debayer_cpu.h\nindex ecc4f9dd0..2d385cf01 100644\n--- a/src/libcamera/software_isp/debayer_cpu.h\n+++ b/src/libcamera/software_isp/debayer_cpu.h\n@@ -38,6 +38,7 @@ public:\n \tstd::tuple<unsigned int, unsigned int>\n \tstrideAndFrameSize(const PixelFormat &outputFormat, const Size &size);\n \tvoid process(uint32_t frame, FrameBuffer *input, FrameBuffer *output, DebayerParams params);\n+\tvoid stop();\n \tSizeRange sizes(PixelFormat inputFormat, const Size &inputSize);\n \tconst SharedFD &getStatsFD() { return stats_->getStatsFD(); }\n \ndiff --git a/src/libcamera/software_isp/software_isp.cpp b/src/libcamera/software_isp/software_isp.cpp\nindex 4c232339b..aa4a40cb6 100644\n--- a/src/libcamera/software_isp/software_isp.cpp\n+++ b/src/libcamera/software_isp/software_isp.cpp\n@@ -367,6 +367,9 @@ int SoftwareIsp::start()\n */\n void SoftwareIsp::stop()\n {\n+\tdebayer_->invokeMethod(&Debayer::stop,\n+\t\t\t ConnectionTypeBlocking);\n+\n \tispWorkerThread_.exit();\n \tispWorkerThread_.wait();\n \tispWorkerThread_.removeMessages(debayer_.get());\n", "prefixes": [ "v2", "17/22" ] }