{"id":2895,"url":"https://patchwork.libcamera.org/api/1.1/patches/2895/?format=json","web_url":"https://patchwork.libcamera.org/patch/2895/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/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":"<20200227200407.490616-14-nicolas.dufresne@collabora.com>","date":"2020-02-27T20:03:53","name":"[libcamera-devel,v2,13/27] gst: libcamerasrc: Send stream start event","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"2868eb02283a616be21ae50207b28aad62ba4bd9","submitter":{"id":31,"url":"https://patchwork.libcamera.org/api/1.1/people/31/?format=json","name":"Nicolas Dufresne","email":"nicolas.dufresne@collabora.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/2895/mbox/","series":[{"id":693,"url":"https://patchwork.libcamera.org/api/1.1/series/693/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=693","date":"2020-02-27T20:03:40","name":"GStreamer Element for libcamera","version":2,"mbox":"https://patchwork.libcamera.org/series/693/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/2895/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/2895/checks/","tags":{},"headers":{"Return-Path":"","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 1FAD7626F6\n\tfor ;\n\tThu, 27 Feb 2020 21:04:24 +0100 (CET)","from [127.0.0.1] (localhost [127.0.0.1])\n\t(Authenticated sender: nicolas) with ESMTPSA id 8A9AB29654B"],"From":"Nicolas Dufresne ","To":"libcamera-devel@lists.libcamera.org","Date":"Thu, 27 Feb 2020 15:03:53 -0500","Message-Id":"<20200227200407.490616-14-nicolas.dufresne@collabora.com>","X-Mailer":"git-send-email 2.24.1","In-Reply-To":"<20200227200407.490616-1-nicolas.dufresne@collabora.com>","References":"<20200227200407.490616-1-nicolas.dufresne@collabora.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v2 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":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","X-List-Received-Date":"Thu, 27 Feb 2020 20:04:24 -0000"},"content":"Prior 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 \nReviewed-by: Laurent Pinchart \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 5a86a6d..e2c63d1 100644\n--- a/src/gstreamer/gstlibcamerasrc.cpp\n+++ b/src/gstreamer/gstlibcamerasrc.cpp\n@@ -129,8 +129,19 @@ 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(&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","v2","13/27"]}