mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-05 18:22:23 +00:00
Updating GtkVideoPlayer sample
Handle bus messages, set the XWindowID from a sync handler, use playbin2, ...
This commit is contained in:
Sebastian Dröge
parent
aff62828ea
commit
a8161aaf9d
2 changed files with 81 additions and 50 deletions
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@ -10,7 +10,8 @@ using Gst.BasePlugins;
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public class MainWindow : Gtk.Window {
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DrawingArea _da;
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Pipeline _pipeline;
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ulong _xWindowId;
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PlayBin2 _playbin;
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HScale _scale;
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Label _lbl;
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bool _updatingScale;
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@ -21,6 +22,19 @@ public class MainWindow : Gtk.Window {
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Gst.Application.Init ();
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MainWindow window = new MainWindow ();
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window.ShowAll ();
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switch (System.Environment.OSVersion.Platform) {
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case PlatformID.Unix:
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window._xWindowId = gdk_x11_drawable_get_xid (window._da.GdkWindow.Handle);
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break;
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case PlatformID.Win32NT:
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case PlatformID.Win32S:
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case PlatformID.Win32Windows:
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case PlatformID.WinCE:
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window._xWindowId = (ulong) gdk_win32_drawable_get_handle (window._da.GdkWindow.Handle);
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break;
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}
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Gtk.Application.Run ();
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}
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@ -31,6 +45,7 @@ public class MainWindow : Gtk.Window {
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_da = new DrawingArea ();
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_da.ModifyBg (Gtk.StateType.Normal, new Gdk.Color (0, 0, 0));
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_da.SetSizeRequest (400, 300);
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_da.DoubleBuffered = false;
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vBox.PackStart (_da);
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_scale = new HScale (0, 1, 0.01);
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@ -75,6 +90,13 @@ public class MainWindow : Gtk.Window {
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void OnDeleteEvent (object sender, DeleteEventArgs args) {
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Gtk.Application.Quit ();
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if (_playbin != null) {
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_playbin.SetState (Gst.State.Null);
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_playbin.Dispose ();
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_playbin = null;
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}
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args.RetVal = true;
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}
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@ -85,47 +107,56 @@ public class MainWindow : Gtk.Window {
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if (dialog.Run () == (int) ResponseType.Accept) {
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_pipelineOK = false;
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if (_pipeline != null) {
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_pipeline.SetState (Gst.State.Null);
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_pipeline.Dispose ();
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if (_playbin != null) {
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_playbin.SetState (Gst.State.Null);
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} else {
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_playbin = new PlayBin2 ();
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}
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_scale.Value = 0;
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_pipeline = new Pipeline (string.Empty);
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Element playbin = ElementFactory.Make ("playbin", "playbin");
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XvImageSink sink = XvImageSink.Make ("sink");
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if (_pipeline == null)
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Console.WriteLine ("Unable to create pipeline");
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if (playbin == null)
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if (_playbin == null)
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Console.WriteLine ("Unable to create element 'playbin'");
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if (sink == null)
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Console.WriteLine ("Unable to create element 'sink'");
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_pipeline.Add (playbin);
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_playbin.Bus.EnableSyncMessageEmission ();
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_playbin.Bus.AddSignalWatch ();
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switch (System.Environment.OSVersion.Platform) {
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case PlatformID.Unix:
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(sink as XOverlay).XwindowId = gdk_x11_drawable_get_xid (_da.GdkWindow.Handle);
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break;
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case PlatformID.Win32NT:
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case PlatformID.Win32S:
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case PlatformID.Win32Windows:
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case PlatformID.WinCE:
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(sink as XOverlay).XwindowId = (ulong) gdk_win32_drawable_get_handle (_da.GdkWindow.Handle);
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break;
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}
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_playbin.Bus.SyncMessage += delegate (object bus, SyncMessageArgs sargs) {
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Gst.Message msg = sargs.Message;
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if (msg == null || msg.Type != Gst.MessageType.Element ||
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msg.Structure == null || msg.Structure.Name == null ||
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!msg.Structure.Name.Equals ("prepare-xwindow-id"))
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return;
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playbin["video-sink"] = sink;
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playbin["uri"] = "file://" + dialog.Filename;
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(msg.Src as XOverlay).XwindowId = _xWindowId;
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(msg.Src as XOverlay).HandleEvents (true);
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};
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StateChangeReturn sret = _pipeline.SetState (Gst.State.Playing);
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_playbin.Bus.Message += delegate (object bus, MessageArgs margs) {
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Message message = margs.Message;
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switch (message.Type) {
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case Gst.MessageType.Error:
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Enum err;
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string msg;
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message.ParseError (out err, out msg);
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Console.WriteLine (String.Format ("Error message: {0}", msg));
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_pipelineOK = false;
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break;
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case Gst.MessageType.Eos:
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Console.WriteLine ("EOS");
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break;
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}
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};
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_playbin["uri"] = "file://" + dialog.Filename;
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StateChangeReturn sret = _playbin.SetState (Gst.State.Playing);
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if (sret == StateChangeReturn.Async) {
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State state, pending;
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sret = _pipeline.GetState (out state, out pending, Clock.Second * 5);
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sret = _playbin.GetState (out state, out pending, Clock.Second * 5);
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}
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if (sret == StateChangeReturn.Success)
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@ -138,13 +169,13 @@ public class MainWindow : Gtk.Window {
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}
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void ButtonPlayClicked (object sender, EventArgs args) {
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if ( (_pipeline != null) && _pipelineOK)
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_pipeline.SetState (Gst.State.Playing);
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if ( (_playbin != null) && _pipelineOK)
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_playbin.SetState (Gst.State.Playing);
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}
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void ButtonPauseClicked (object sender, EventArgs args) {
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if ( (_pipeline != null) && _pipelineOK)
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_pipeline.SetState (Gst.State.Paused);
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if ( (_playbin != null) && _pipelineOK)
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_playbin.SetState (Gst.State.Paused);
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}
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void ScaleValueChanged (object sender, EventArgs args) {
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@ -154,20 +185,20 @@ public class MainWindow : Gtk.Window {
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long duration;
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Gst.Format fmt = Gst.Format.Time;
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if ( (_pipeline != null) && _pipelineOK && _pipeline.QueryDuration (ref fmt, out duration)) {
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if ( (_playbin != null) && _pipelineOK && _playbin.QueryDuration (ref fmt, out duration) && duration != -1) {
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long pos = (long) (duration * _scale.Value);
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//Console.WriteLine ("Seek to {0}/{1} ({2}%)", pos, duration, _scale.Value);
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Console.WriteLine ("Seek to {0}/{1} ({2}%)", pos, duration, _scale.Value);
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_pipeline.Seek (Format.Time, SeekFlags.Flush, pos);
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_playbin.Seek (Format.Time, SeekFlags.Flush | SeekFlags.KeyUnit, pos);
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}
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}
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bool UpdatePos () {
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Gst.Format fmt = Gst.Format.Time;
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long duration, pos;
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if ( (_pipeline != null) && _pipelineOK &&
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_pipeline.QueryDuration (ref fmt, out duration) &&
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_pipeline.QueryPosition (ref fmt, out pos)) {
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if ( (_playbin != null) && _pipelineOK &&
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_playbin.QueryDuration (ref fmt, out duration) &&
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_playbin.QueryPosition (ref fmt, out pos)) {
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_lbl.Text = string.Format ("{0} / {1}", TimeString (pos), TimeString (duration));
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_updatingScale = true;
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@ -17,34 +17,34 @@ assemblies=$(top_builddir)/gstreamer-sharp/gstreamer-sharp.dll
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references=$(addprefix -r:, $(assemblies)) $(GLIB_SHARP_LIBS)
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playbin-player.exe: $(srcdir)/PlayBinPlayer.cs $(assemblies)
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$(CSC) -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/PlayBinPlayer.cs
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$(CSC) -debug -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/PlayBinPlayer.cs
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decodebin-transcoder.exe: $(srcdir)/DecodeBinTranscoder.cs $(assemblies)
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$(CSC) -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/DecodeBinTranscoder.cs
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$(CSC) -debug -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/DecodeBinTranscoder.cs
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helloworld.exe: $(srcdir)/HelloWorld.cs $(assemblies)
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$(CSC) -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/HelloWorld.cs
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$(CSC) -debug -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/HelloWorld.cs
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typefind.exe: $(srcdir)/TypeFind.cs $(assemblies)
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$(CSC) -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/TypeFind.cs
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$(CSC) -debug -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/TypeFind.cs
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queueexample.exe: $(srcdir)/QueueExample.cs $(assemblies)
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$(CSC) -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/QueueExample.cs
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$(CSC) -debug -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/QueueExample.cs
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metadata.exe: $(srcdir)/MetaData.cs $(assemblies)
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$(CSC) -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/MetaData.cs
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$(CSC) -debug -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/MetaData.cs
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mp3launchparse.exe: $(srcdir)/MP3LaunchParse.cs $(assemblies)
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$(CSC) -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/MP3LaunchParse.cs
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$(CSC) -debug -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/MP3LaunchParse.cs
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appsrc.exe: $(srcdir)/AppSrc.cs $(assemblies)
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$(CSC) -out:$@ $(GLIBSHARP_LIBS) $(references) $(MONO_CAIRO_LIBS) $(srcdir)/AppSrc.cs
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$(CSC) -debug -out:$@ $(GLIBSHARP_LIBS) $(references) $(MONO_CAIRO_LIBS) $(srcdir)/AppSrc.cs
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transform-sample.exe: $(srcdir)/TransformSample.cs $(assemblies)
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$(CSC) -out:$@ $(GLIBSHARP_LIBS) $(references) $(MONO_CAIRO_LIBS) $(srcdir)/TransformSample.cs
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$(CSC) -debug -out:$@ $(GLIBSHARP_LIBS) $(references) $(MONO_CAIRO_LIBS) $(srcdir)/TransformSample.cs
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gtk-video-player.exe: $(srcdir)/GtkVideoPlayer.cs $(assemblies)
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$(CSC) -out:$@ $(GLIBSHARP_LIBS) $(references) $(GTK_SHARP_LIBS) $(srcdir)/GtkVideoPlayer.cs
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$(CSC) -debug -out:$@ $(GLIBSHARP_LIBS) $(references) $(GTK_SHARP_LIBS) $(srcdir)/GtkVideoPlayer.cs
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link:
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ln -sf $(top_builddir)/gstreamer-sharp/gstreamer-sharp.dll gstreamer-sharp.dll
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