Patch Detail
Show a patch.
GET /api/patches/3019/?format=api
{ "id": 3019, "url": "https://patchwork.libcamera.org/api/patches/3019/?format=api", "web_url": "https://patchwork.libcamera.org/patch/3019/", "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": "<20200306202637.525587-14-nicolas@ndufresne.ca>", "date": "2020-03-06T20:26:23", "name": "[libcamera-devel,v3,13/27] gst: libcamerasrc: Send stream start event", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "fdab89eec467d725ea0c4376b8ffff03d43c524c", "submitter": { "id": 30, "url": "https://patchwork.libcamera.org/api/people/30/?format=api", "name": "Nicolas Dufresne", "email": "nicolas@ndufresne.ca" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/3019/mbox/", "series": [ { "id": 705, "url": "https://patchwork.libcamera.org/api/series/705/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=705", "date": "2020-03-06T20:26:10", "name": "GStreamer Element for libcamera", "version": 3, "mbox": "https://patchwork.libcamera.org/series/705/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/3019/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/3019/checks/", "tags": {}, "headers": { "Return-Path": "<nicolas@ndufresne.ca>", "Received": [ "from bhuna.collabora.co.uk (bhuna.collabora.co.uk\n\t[IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id B67D162899\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 6 Mar 2020 21:27:06 +0100 (CET)", "from nicolas-tpx395.localdomain (unknown [IPv6:2610:98:8005::527])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits))\n\t(No client certificate requested) (Authenticated sender: nicolas)\n\tby bhuna.collabora.co.uk (Postfix) with ESMTPSA id 26223297189;\n\tFri, 6 Mar 2020 20:27:06 +0000 (GMT)" ], "From": "Nicolas Dufresne <nicolas@ndufresne.ca>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Nicolas Dufresne <nicolas.dufresne@collabora.com>,\n\tLaurent Pinchart <laurent.pinchart@ideasonboard.com>", "Date": "Fri, 6 Mar 2020 15:26:23 -0500", "Message-Id": "<20200306202637.525587-14-nicolas@ndufresne.ca>", "X-Mailer": "git-send-email 2.24.1", "In-Reply-To": "<20200306202637.525587-1-nicolas@ndufresne.ca>", "References": "<20200306202637.525587-1-nicolas@ndufresne.ca>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v3 13/27] gst: libcamerasrc: Send stream\n\tstart event", "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>", "X-List-Received-Date": "Fri, 06 Mar 2020 20:27:06 -0000" }, "content": "From: Nicolas Dufresne <nicolas.dufresne@collabora.com>\n\nPrior to sending caps, we need to send a stream-start event. This requires\ngenerating a stream and a group id. The stream id is random for live sources and\nthe group id is shared across all pads.\n\nSigned-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/gstreamer/gstlibcamerasrc.cpp | 11 +++++++++++\n 1 file changed, 11 insertions(+)", "diff": "diff --git a/src/gstreamer/gstlibcamerasrc.cpp b/src/gstreamer/gstlibcamerasrc.cpp\nindex aa91619..1680314 100644\n--- a/src/gstreamer/gstlibcamerasrc.cpp\n+++ b/src/gstreamer/gstlibcamerasrc.cpp\n@@ -131,8 +131,19 @@ static void\n gst_libcamera_src_task_enter(GstTask *task, GThread *thread, gpointer user_data)\n {\n \tGstLibcameraSrc *self = GST_LIBCAMERA_SRC(user_data);\n+\tGLibRecLocker lock(&self->stream_lock);\n+\tGstLibcameraSrcState *state = self->state;\n \n \tGST_DEBUG_OBJECT(self, \"Streaming thread has started\");\n+\n+\tguint group_id = gst_util_group_id_next();\n+\tfor (GstPad *srcpad : state->srcpads_) {\n+\t\t/* Create stream-id and push stream-start. */\n+\t\tg_autofree gchar *stream_id = gst_pad_create_stream_id(srcpad, GST_ELEMENT(self), nullptr);\n+\t\tGstEvent *event = gst_event_new_stream_start(stream_id);\n+\t\tgst_event_set_group_id(event, group_id);\n+\t\tgst_pad_push_event(srcpad, event);\n+\t}\n }\n \n static void\n", "prefixes": [ "libcamera-devel", "v3", "13/27" ] }