gstreamer/subprojects/gstreamer-sharp/samples/GESExample.cs

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2017-08-29 18:25:18 +00:00
// Authors
// Copyright (C) 2017 Thibault Saunier <thibault.saunier@osg-samsung.com>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301 USA
using System;
using Gst;
using System.Diagnostics;
namespace GESSharp
{
class GESExample
{
public static void Main (string[] args)
{
// Initialize Gstreamer
Gst.Application.Init();
// Build the pipeline
GES.Global.Init();
var pipeline = new GES.Pipeline();
var timeline = GES.Timeline.NewAudioVideo();
var layer = timeline.AppendLayer();
pipeline["timeline"] = timeline;
var clip = new GES.TitleClip();
clip.Duration = Constants.SECOND * 5;
layer.AddClip(clip);
clip.SetChildProperty("text", new GLib.Value("Clip 1"));
var clip1 = new GES.TitleClip();
clip1.Start = Constants.SECOND * 5;
clip1.Duration = Constants.SECOND * 5;
layer.AddClip(clip1);
clip1.SetChildProperty("text", new GLib.Value("Clip 2"));
timeline.Commit();
pipeline.SetState(State.Playing);
//// Wait until error or EOS
var bus = pipeline.Bus;
Message msg = null;
while (msg == null) {
var format = Format.Time;
long position;
msg = bus.TimedPopFiltered (Gst.Constants.SECOND, MessageType.Eos | MessageType.Error);
pipeline.QueryPosition (format, out position);
Console.WriteLine("position: " + Global.TimeFormat(position)
+ " / " + Global.TimeFormat(timeline.Duration));
}
pipeline.SetState(State.Null);
}
}
}