sample: Add basic tutorial 7 sample

diff --git a/samples/BasicTutorial7.cs b/samples/BasicTutorial7.cs
new file mode 100644 (file)
index 0000000..7c4f5c1
--- /dev/null
+++ b/samples/BasicTutorial7.cs
@@ -0,0 +1,80 @@
+// Authors
+//   Copyright (C) 2014 Stephan Sundermann <stephansundermann@gmail.com>
+
+using System;
+using Gst;
+using System.Runtime.InteropServices;
+
+namespace GstreamerSharp
+{
+       class Playback
+       {
+               public static void Main (string[] args)
+               {
+                       // Initialize Gstreamer
+                       Gst.Application.Init(ref args);
+
+                       // Create the elements
+                       var audioSource = ElementFactory.Make ("audiotestsrc", "audio_source");
+                       var tee = ElementFactory.Make ("tee", "tee");
+                       var audioQueue = ElementFactory.Make ("queue", "audio_queue");
+                       var audioConvert = ElementFactory.Make ("audioconvert", "audio_convert");
+                       var audioResample = ElementFactory.Make ("audioresample", "audio_resample");
+                       var audioSink = ElementFactory.Make ("autoaudiosink", "audio_sink");
+                       var videoQueue = ElementFactory.Make ("queue", "video_queue");
+                       var visual = ElementFactory.Make ("wavescope", "visual");
+                       var videoConvert = ElementFactory.Make ("videoconvert", "csp");
+                       var videoSink = ElementFactory.Make ("autovideosink", "video_sink");
+
+                       // Create the empty pipeline
+                       var pipeline = new Pipeline ("test-pipeline");
+
+                       if (audioSource == null || tee == null || audioQueue == null || audioConvert == null || audioResample == null || 
+                               audioSink == null || videoQueue == null || visual == null || videoConvert == null || videoSink == null || pipeline == null) {
+                               Console.WriteLine ("Not all elements could be created.");
+                               return;
+                       }
+
+
+                       // Link all elements that can be automatically linked because they have "Always" pads
+                       pipeline.Add (audioSource, tee, audioQueue, audioConvert, audioResample, audioSink,
+                               videoQueue, visual, videoConvert, videoSink);
+                       if (!audioSource.Link (tee) ||
+                               !Element.Link (audioQueue, audioConvert, audioResample, audioSink) ||
+                               !Element.Link (videoQueue, visual, videoConvert, videoSink)) {
+                               Console.WriteLine ("Elements could not be linked.");
+                               return;
+                       }
+
+                       // Manually link the Tee, which has "Request" pads
+                       var teeSrcPadTemplate = tee.GetPadTemplate ("src_%u");
+                       var teeAudioPad = tee.RequestPad (teeSrcPadTemplate, null, null);
+                       Console.WriteLine ("Obtained request pad {0} for audio branch.", teeAudioPad.Name);
+                       var queueAudioPad = audioQueue.GetStaticPad ("sink");
+                       var teeVideoPad = tee.RequestPad (teeSrcPadTemplate, null, null);
+                       Console.WriteLine ("Obtained request pad {0} for video branch.", teeVideoPad.Name);
+                       var queueVideoPad = videoQueue.GetStaticPad ("sink");
+                       if (teeAudioPad.Link (queueAudioPad) != PadLinkReturn.Ok ||
+                               teeVideoPad.Link(queueVideoPad) != PadLinkReturn.Ok) {
+                               Console.WriteLine ("Tee could not be linked.");
+                               return;
+                       }
+
+                       // Start playing
+                       var ret = pipeline.SetState (State.Playing);
+                       if (ret == StateChangeReturn.Failure) {
+                               Console.WriteLine ("Unable to set the pipeline to the playing state (check the bus for error messages).");
+                       }
+
+                       // Wait until error or EOS
+                       pipeline.Bus.TimedPopFiltered (Constants.CLOCK_TIME_NONE, MessageType.Error | MessageType.Eos);
+
+                       // Release the request pads from the Tee, and unref them
+                       tee.ReleaseRequestPad (teeAudioPad);
+                       tee.ReleaseRequestPad (teeVideoPad);
+
+                       // Free resources
+                       pipeline.SetState (State.Null);
+               }
+       }
+}
\ No newline at end of file

diff --git a/samples/Makefile.am b/samples/Makefile.am
index 090543c..8536b69 100644 (file)
--- a/samples/Makefile.am
+++ b/samples/Makefile.am
@@ -1,4 +1,4 @@
-TARGETS = playback.exe video-overlay.exe basic-tutorial-1.exe basic-tutorial-2.exe basic-tutorial-3.exe basic-tutorial-4.exe basic-tutorial-5.exe basic-tutorial-6.exe
+TARGETS = playback.exe video-overlay.exe basic-tutorial-1.exe basic-tutorial-2.exe basic-tutorial-3.exe basic-tutorial-4.exe basic-tutorial-5.exe basic-tutorial-6.exe basic-tutorial-7.exe
 
 DEBUGS = $(addsuffix .mdb, $(TARGETS))
 assemblies =                                   \
@@ -33,6 +33,9 @@ basic-tutorial-5.exe: $(srcdir)/BasicTutorial5.cs $(assemblies)
 basic-tutorial-6.exe: $(srcdir)/BasicTutorial6.cs $(assemblies)
        $(CSC) $(CSFLAGS) -out:basic-tutorial-6.exe $(references) $(GLIB_SHARP_LIBS) $(srcdir)/BasicTutorial6.cs
 
+basic-tutorial-7.exe: $(srcdir)/BasicTutorial7.cs $(assemblies)
+       $(CSC) $(CSFLAGS) -out:basic-tutorial-7.exe $(references) $(GLIB_SHARP_LIBS) $(srcdir)/BasicTutorial7.cs
+
 EXTRA_DIST =                           \
        Playback.cs \
     VideoOverlay.cs \
@@ -41,4 +44,5 @@ EXTRA_DIST =                          \
     BasicTutorial3.cs \
     BasicTutorial4.cs \
     BasicTutorial5.cs \
-    BasicTutorial6.cs
+    BasicTutorial6.cs \
+    BasicTutorial7.cs