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{ "id": 17362, "url": "https://patchwork.libcamera.org/api/patches/17362/?format=api", "web_url": "https://patchwork.libcamera.org/patch/17362/", "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": "<20220912095656.19013-2-rishikeshdonadkar@gmail.com>", "date": "2022-09-12T09:56:55", "name": "[libcamera-devel,v4,1/2] gstreamer: Configure the camera before exposing the caps.", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "cc638d259667d72c6eb2b0d91175993e693d9e93", "submitter": { "id": 118, "url": "https://patchwork.libcamera.org/api/people/118/?format=api", "name": "Rishikesh Donadkar", "email": "rishikeshdonadkar@gmail.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/17362/mbox/", "series": [ { "id": 3482, "url": "https://patchwork.libcamera.org/api/series/3482/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3482", "date": "2022-09-12T09:56:54", "name": "Provide framerate support for libcamerasrc", "version": 4, "mbox": "https://patchwork.libcamera.org/series/3482/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/17362/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/17362/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 BB81FC3272\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 12 Sep 2022 09:57:31 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 76DBA61F91;\n\tMon, 12 Sep 2022 11:57:31 +0200 (CEST)", "from mail-pg1-x52c.google.com (mail-pg1-x52c.google.com\n\t[IPv6:2607:f8b0:4864:20::52c])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 5A36E6099F\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 12 Sep 2022 11:57:30 +0200 (CEST)", "by mail-pg1-x52c.google.com with SMTP id bh13so7785688pgb.4\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 12 Sep 2022 02:57:30 -0700 (PDT)", "from localhost.localdomain ([49.36.99.4])\n\tby smtp.googlemail.com with ESMTPSA id\n\tt14-20020aa7946e000000b00540dbae6272sm4959495pfq.213.2022.09.12.02.57.26\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tMon, 12 Sep 2022 02:57:28 -0700 (PDT)" ], "DKIM-Signature": [ "v=1; 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\n\tMon, 12 Sep 2022 02:57:28 -0700 (PDT)", "To": "libcamera-devel@lists.libcamera.org", "Date": "Mon, 12 Sep 2022 15:26:55 +0530", "Message-Id": "<20220912095656.19013-2-rishikeshdonadkar@gmail.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20220912095656.19013-1-rishikeshdonadkar@gmail.com>", "References": "<20220912095656.19013-1-rishikeshdonadkar@gmail.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v4 1/2] gstreamer: Configure the camera\n\tbefore exposing the caps.", "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>", "From": "Rishikesh Donadkar via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>", "Reply-To": "Rishikesh Donadkar <rishikeshdonadkar@gmail.com>", "Cc": "nicolas.dufresne@collabora.com, vedantparanjape160201@gmail.com", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "In libcamerasrc capabilities are exposed on the src pad before\nconfiguring the camera. To add support to control and\nnegotiate the framerate, the controls::FrameDuration needs to be\nbound checked between the min/max values that camera can support\nand later the applied framerate needs to be exposed along with\nresolutions and colorimetry through caps. Valid bounds of the\ncontrols::FrameDuration cannot be known before the\nconfiguration of the camera.\n\nShift the camera::configure() before the for loop that is exposing\nresolutions, colorimetry to the GStreamer through a new CAPS event.\nThrough this we can know the valid bounds of the FrameDuration and\nclam the frame_duration accordingly before applying to the camera.\nThrough this caps can be exposed without a need of additional new\nCAPS event for framerate.\n\nSigned-off-by: Rishikesh Donadkar <rishikeshdonadkar@gmail.com>\n---\n src/gstreamer/gstlibcamerasrc.cpp | 18 +++++++++---------\n 1 file changed, 9 insertions(+), 9 deletions(-)", "diff": "diff --git a/src/gstreamer/gstlibcamerasrc.cpp b/src/gstreamer/gstlibcamerasrc.cpp\nindex 16d70fea..1ee1d08a 100644\n--- a/src/gstreamer/gstlibcamerasrc.cpp\n+++ b/src/gstreamer/gstlibcamerasrc.cpp\n@@ -515,6 +515,15 @@ gst_libcamera_src_task_enter(GstTask *task, [[maybe_unused]] GThread *thread,\n \t\tgoto done;\n \t}\n \n+\tret = state->cam_->configure(state->config_.get());\n+\tif (ret) {\n+\t\tGST_ELEMENT_ERROR(self, RESOURCE, SETTINGS,\n+\t\t\t\t (\"Failed to configure camera: %s\", g_strerror(-ret)),\n+\t\t\t\t (\"Camera::configure() failed with error code %i\", ret));\n+\t\tgst_task_stop(task);\n+\t\treturn;\n+\t}\n+\n \t/*\n \t * Regardless if it has been modified, create clean caps and push the\n \t * caps event. Downstream will decide if the caps are acceptable.\n@@ -535,15 +544,6 @@ gst_libcamera_src_task_enter(GstTask *task, [[maybe_unused]] GThread *thread,\n \t\tgst_pad_push_event(srcpad, gst_event_new_segment(&segment));\n \t}\n \n-\tret = state->cam_->configure(state->config_.get());\n-\tif (ret) {\n-\t\tGST_ELEMENT_ERROR(self, RESOURCE, SETTINGS,\n-\t\t\t\t (\"Failed to configure camera: %s\", g_strerror(-ret)),\n-\t\t\t\t (\"Camera::configure() failed with error code %i\", ret));\n-\t\tgst_task_stop(task);\n-\t\treturn;\n-\t}\n-\n \tself->allocator = gst_libcamera_allocator_new(state->cam_, state->config_.get());\n \tif (!self->allocator) {\n \t\tGST_ELEMENT_ERROR(self, RESOURCE, NO_SPACE_LEFT,\n", "prefixes": [ "libcamera-devel", "v4", "1/2" ] }