icles: add appsink and appsrc benchmarks

These are very much artificial of course, but got to
measure something. appsink one contains lots of buffer
creation/free overhead, while appsrc one does not.

tests/icles/.gitignore

 audio-trickplay
+benchmark-appsink
+benchmark-appsrc
 input-selector-test
 output-selector-test
 playbin-text

tests/icles/Makefile.am

 SUBDIRS = playback
 DIST_SUBDIRS = playback
 
+benchmark_appsink_SOURCES = benchmark-appsink.c
+benchmark_appsink_CFLAGS = \
+	$(GST_PLUGINS_BASE_CFLAGS) \
+	$(GST_CFLAGS)
+benchmark_appsink_LDADD = \
+	$(top_builddir)/gst-libs/gst/app/libgstapp-$(GST_API_VERSION).la \
+	$(GST_LIBS)
+
+benchmark_appsrc_SOURCES = benchmark-appsrc.c
+benchmark_appsrc_CFLAGS = \
+	$(GST_PLUGINS_BASE_CFLAGS) \
+	$(GST_CFLAGS)
+benchmark_appsrc_LDADD = \
+	$(top_builddir)/gst-libs/gst/app/libgstapp-$(GST_API_VERSION).la \
+	$(GST_LIBS)
+
 if USE_X
 X_TESTS = stress-videooverlay
 
@@ -103,4 +119,4 @@ test_reverseplay_LDADD = $(GST_LIBS) $(LIBM)
 noinst_PROGRAMS = $(X_TESTS) $(PANGO_TESTS) \
 	audio-trickplay playbin-text position-formats stress-playbin \
 	test-scale test-box test-effect-switch test-overlay-blending test-reverseplay \
-	test-resample
+	test-resample benchmark-appsink benchmark-appsrc

tests/icles/benchmark-appsink.c

+/* GStreamer appsink benchmark
+ * Copyright (C) 2018 Tim-Philipp Müller <tim centricular com>
+
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <gst/gst.h>
+#include <gst/app/app.h>
+
+#define NUM_BUFFERS 10000000
+
+int
+main (int argc, char **argv)
+{
+  GstElement *src, *sink, *pipeline;
+  GstSample *sample;
+
+  gst_init (&argc, &argv);
+
+  pipeline = gst_pipeline_new (NULL);
+
+  src = gst_element_factory_make ("fakesrc", NULL);
+  g_object_set (src, "num-buffers", NUM_BUFFERS, NULL);
+
+  sink = gst_element_factory_make ("appsink", NULL);
+
+  gst_bin_add_many (GST_BIN (pipeline), src, sink, NULL);
+  gst_element_link_many (src, sink, NULL);
+
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+  while ((sample = gst_app_sink_pull_sample (GST_APP_SINK (sink))))
+    gst_sample_unref (sample);
+
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+
+  return 0;
+}

tests/icles/benchmark-appsrc.c

+/* GStreamer appsink benchmark
+ * Copyright (C) 2018 Tim-Philipp Müller <tim centricular com>
+
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <gst/gst.h>
+#include <gst/app/app.h>
+
+#define NUM_BUFFERS 40000000
+
+int
+main (int argc, char **argv)
+{
+  GstElement *src, *sink, *pipeline;
+  GstBuffer *buf;
+  gint i;
+
+  gst_init (&argc, &argv);
+
+  pipeline = gst_pipeline_new (NULL);
+
+  src = gst_element_factory_make ("appsrc", NULL);
+  sink = gst_element_factory_make ("fakesink", NULL);
+
+  gst_bin_add_many (GST_BIN (pipeline), src, sink, NULL);
+  gst_element_link_many (src, sink, NULL);
+
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+
+  buf = gst_buffer_new ();
+
+  for (i = 0; i < NUM_BUFFERS; ++i) {
+    gst_app_src_push_buffer (GST_APP_SRC (src), gst_buffer_ref (buf));
+  }
+  gst_app_src_end_of_stream (GST_APP_SRC (src));
+
+  gst_buffer_unref (buf);
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+
+  return 0;
+}