Add appsrc/appsink example.

Original commit message from CVS:
* configure.ac:
* examples/Makefile.am:
* examples/app/Makefile.am:
* examples/app/appsrc_ex.c:
Add appsrc/appsink example.
* gst-libs/gst/app/Makefile.am:
* gst-libs/gst/app/gstapp.c:
* gst-libs/gst/app/gstappsink.c:
* gst-libs/gst/app/gstappsink.h:
* gst/app/gstapp.c:
Add appsink.

3 files changed, 97 insertions, 2 deletions

diff --git a/examples/Makefile.am b/examples/Makefile.am
index 1ad7b141..8b069d81 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -5,5 +5,5 @@ else
 DIRECTFB_DIR=
 endif
 
-SUBDIRS= $(DIRECTFB_DIR)
-DIST_SUBDIRS= directfb
+SUBDIRS= $(DIRECTFB_DIR) app
+DIST_SUBDIRS= directfb app
diff --git a/examples/app/Makefile.am b/examples/app/Makefile.am
new file mode 100644
index 00000000..0b950515
--- /dev/null
+++ b/examples/app/Makefile.am
@@ -0,0 +1,9 @@
+
+noinst_PROGRAMS = appsrc_ex
+
+appsrc_ex_SOURCES = appsrc_ex.c
+appsrc_ex_CFLAGS = $(GST_CFLAGS) $(GCONF_CFLAGS)
+appsrc_ex_LDFLAGS = \
+    $(GST_LIBS) \
+    $(top_builddir)/gst-libs/gst/app/libgstapp-@GST_MAJORMINOR@.la
+
diff --git a/examples/app/appsrc_ex.c b/examples/app/appsrc_ex.c
new file mode 100644
index 00000000..170001d2
--- /dev/null
+++ b/examples/app/appsrc_ex.c
@@ -0,0 +1,86 @@
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include <gst/app/gstappsrc.h>
+#include <gst/app/gstappbuffer.h>
+#include <gst/app/gstappsink.h>
+
+#include <stdio.h>
+#include <string.h>
+
+
+typedef struct _App App;
+struct _App
+{
+  GstElement *pipe;
+  GstElement *src;
+  GstElement *id;
+  GstElement *sink;
+};
+
+App s_app;
+
+static void dont_eat_my_chicken_wings (void *priv);
+
+int
+main (int argc, char *argv[])
+{
+  App *app = &s_app;
+  int i;
+
+  gst_init (&argc, &argv);
+
+  app->pipe = gst_pipeline_new (NULL);
+  g_assert (app->pipe);
+
+  app->src = gst_element_factory_make ("appsrc", NULL);
+  g_assert (app->src);
+  gst_bin_add (GST_BIN (app->pipe), app->src);
+
+  app->id = gst_element_factory_make ("identity", NULL);
+  g_assert (app->id);
+  gst_bin_add (GST_BIN (app->pipe), app->id);
+
+  app->sink = gst_element_factory_make ("appsink", NULL);
+  g_assert (app->sink);
+  gst_bin_add (GST_BIN (app->pipe), app->sink);
+
+  gst_element_link (app->src, app->id);
+  gst_element_link (app->id, app->sink);
+
+  gst_element_set_state (app->pipe, GST_STATE_PLAYING);
+
+  for (i = 0; i < 10; i++) {
+    GstBuffer *buf;
+    void *data;
+
+    data = malloc (100);
+    memset (data, i, 100);
+
+    printf ("%d: creating buffer for pointer %p\n", i, data);
+    buf = gst_app_buffer_new (data, 100, dont_eat_my_chicken_wings, data);
+    gst_app_src_push_buffer (GST_APP_SRC (app->src), buf);
+  }
+
+  gst_app_src_end_of_stream (GST_APP_SRC (app->src));
+
+  while (!gst_app_sink_end_of_stream (GST_APP_SINK (app->sink))) {
+    GstBuffer *buf;
+
+    buf = gst_app_sink_pull_buffer (GST_APP_SINK (app->sink));
+    gst_buffer_unref (buf);
+  }
+
+  return 0;
+}
+
+static void
+dont_eat_my_chicken_wings (void *priv)
+{
+  printf ("freeing buffer for pointer %p\n", priv);
+  free (priv);
+}