gstreamer/subprojects/gst-editing-services/tests/check/nle/nlecomposition.c

/* Gnonlin
 * Copyright (C) <2009> Alessandro Decina <alessandro.decina@collabora.co.uk>
 *
 * 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.
 */
#include "common.h"

typedef struct
{
  GstElement *composition;
  GstElement *source3;
} TestClosure;

static int seek_events;

static GstPadProbeReturn
on_source1_pad_event_cb (GstPad * pad, GstPadProbeInfo * info,
    gpointer user_data)
{
  if (GST_EVENT_TYPE (info->data) == GST_EVENT_SEEK)
    ++seek_events;

  return GST_PAD_PROBE_OK;
}

GST_START_TEST (test_change_object_start_stop_in_current_stack)
{
  GstPad *srcpad;
  GstElement *pipeline;
  GstElement *comp, *source1, *def, *sink;
  GstBus *bus;
  GstMessage *message;
  gboolean carry_on, ret = FALSE;

  ges_init ();

  pipeline = gst_pipeline_new ("test_pipeline");
  comp =
      gst_element_factory_make_or_warn ("nlecomposition", "test_composition");

  gst_element_set_state (comp, GST_STATE_READY);

  sink = gst_element_factory_make_or_warn ("fakevideosink", "sink");
  g_object_set (sink, "sync", FALSE, NULL);
  gst_bin_add_many (GST_BIN (pipeline), comp, sink, NULL);

  gst_element_link (comp, sink);

  /*
     source1
     Start : 0s
     Duration : 2s
     Priority : 2
   */

  source1 = videotest_nle_src ("source1", 0, 2 * GST_SECOND, 2, 2);
  srcpad = gst_element_get_static_pad (source1, "src");
  gst_pad_add_probe (srcpad, GST_PAD_PROBE_TYPE_EVENT_UPSTREAM,
      (GstPadProbeCallback) on_source1_pad_event_cb, NULL, NULL);
  gst_object_unref (srcpad);

  /*
     def (default source)
     Priority = G_MAXUINT32
   */
  def =
      videotest_nle_src ("default", 0 * GST_SECOND, 0 * GST_SECOND, 2,
      G_MAXUINT32);
  g_object_set (def, "expandable", TRUE, NULL);

  ASSERT_OBJECT_REFCOUNT (source1, "source1", 1);
  ASSERT_OBJECT_REFCOUNT (def, "default", 1);

  /* Add source 1 */

  nle_composition_add (GST_BIN (comp), source1);
  nle_composition_add (GST_BIN (comp), def);
  commit_and_wait (comp, &ret);
  check_start_stop_duration (source1, 0, 2 * GST_SECOND, 2 * GST_SECOND);
  check_start_stop_duration (comp, 0, 2 * GST_SECOND, 2 * GST_SECOND);

  bus = gst_element_get_bus (GST_ELEMENT (pipeline));

  GST_DEBUG ("Setting pipeline to PAUSED");
  ASSERT_OBJECT_REFCOUNT (source1, "source1", 1);

  fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
          GST_STATE_PAUSED) == GST_STATE_CHANGE_FAILURE);

  GST_DEBUG ("Let's poll the bus");

  carry_on = TRUE;
  while (carry_on) {
    message = gst_bus_poll (bus, GST_MESSAGE_ANY, GST_SECOND / 10);
    if (message) {
      switch (GST_MESSAGE_TYPE (message)) {
        case GST_MESSAGE_ASYNC_DONE:
        {
          carry_on = FALSE;
          GST_DEBUG ("Pipeline reached PAUSED, stopping polling");
          break;
        }
        case GST_MESSAGE_EOS:
        {
          GST_WARNING ("Saw EOS");

          fail_if (TRUE);
        }
        case GST_MESSAGE_ERROR:
          fail_error_message (message);
        default:
          break;
      }
      gst_mini_object_unref (GST_MINI_OBJECT (message));
    }
  }


  /* pipeline is paused at this point */

  /* move source1 out of the active segment */
  g_object_set (source1, "start", (guint64) 4 * GST_SECOND, NULL);
  commit_and_wait (comp, &ret);

  /* remove source1 from the composition, which will become empty and remove the
   * ghostpad */


  /* keep an extra ref to source1 as we remove it from the bin */
  gst_object_ref (source1);
  fail_unless (nle_composition_remove (GST_BIN (comp), source1));
  g_object_set (source1, "start", (guint64) 0 * GST_SECOND, NULL);
  /* add the source again and check that the ghostpad is added again */
  nle_composition_add (GST_BIN (comp), source1);
  gst_object_unref (source1);
  commit_and_wait (comp, &ret);


  g_object_set (source1, "duration", (guint64) 1 * GST_SECOND, NULL);
  commit_and_wait (comp, &ret);

  GST_DEBUG ("Setting pipeline to NULL");

  fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
          GST_STATE_NULL) == GST_STATE_CHANGE_FAILURE);
  gst_element_set_state (source1, GST_STATE_NULL);

  GST_DEBUG ("Resetted pipeline to NULL");

  ASSERT_OBJECT_REFCOUNT_BETWEEN (pipeline, "main pipeline", 1, 2);
  gst_check_objects_destroyed_on_unref (pipeline, comp, def, NULL);
  ASSERT_OBJECT_REFCOUNT_BETWEEN (bus, "main bus", 1, 2);
  gst_object_unref (bus);

  ges_deinit ();
}

GST_END_TEST;

GST_START_TEST (test_remove_invalid_object)
{
  GstBin *composition;
  GstElement *source1, *source2;

  ges_init ();

  composition = GST_BIN (gst_element_factory_make ("nlecomposition",
          "composition"));
  gst_element_set_state (GST_ELEMENT (composition), GST_STATE_READY);

  source1 = gst_element_factory_make ("nlesource", "source1");
  source2 = gst_element_factory_make ("nlesource", "source2");

  nle_composition_add (composition, source1);
  nle_composition_remove (composition, source2);
  fail_unless (nle_composition_remove (composition, source1));

  gst_element_set_state (GST_ELEMENT (composition), GST_STATE_NULL);
  gst_object_unref (composition);
  gst_object_unref (source2);

  ges_deinit ();
}

GST_END_TEST;

GST_START_TEST (test_remove_last_object)
{
  GstBin *composition;
  GstElement *source1, *audiotestsrc, *source2, *audiotestsrc2, *fakesink,
      *pipeline;
  GstBus *bus;
  GstMessage *message;
  gboolean ret;
  gint64 position = 0;
  GstClockTime duration;

  ges_init ();

  pipeline = GST_ELEMENT (gst_pipeline_new (NULL));
  bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));

  composition = GST_BIN (gst_element_factory_make ("nlecomposition",
          "composition"));

  gst_element_set_state (GST_ELEMENT (composition), GST_STATE_READY);

  fakesink = gst_element_factory_make ("fakeaudiosink", NULL);
  g_object_set (fakesink, "sync", FALSE, NULL);
  gst_bin_add_many (GST_BIN (pipeline), GST_ELEMENT (composition), fakesink,
      NULL);
  gst_element_link (GST_ELEMENT (composition), fakesink);

  source1 = gst_element_factory_make ("nlesource", "source1");
  audiotestsrc = gst_element_factory_make ("audiotestsrc", "audiotestsrc1");
  gst_bin_add (GST_BIN (source1), audiotestsrc);
  g_object_set (source1, "start", (guint64) 0 * GST_SECOND,
      "duration", (gint64) 10 * GST_SECOND, "inpoint", (guint64) 0, "priority",
      1, NULL);

  nle_composition_add (composition, source1);

  source2 = gst_element_factory_make ("nlesource", "source1");
  audiotestsrc2 = gst_element_factory_make ("audiotestsrc", "audiotestsrc1");
  gst_bin_add (GST_BIN (source2), audiotestsrc2);
  g_object_set (source2, "start", (guint64) 10 * GST_SECOND,
      "duration", (gint64) 10 * GST_SECOND, "inpoint", (guint64) 0, "priority",
      1, NULL);

  nle_composition_add (composition, source2);

  fail_if (gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PAUSED)
      == GST_STATE_CHANGE_FAILURE);
  message = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE,
      GST_MESSAGE_ASYNC_DONE | GST_MESSAGE_ERROR);
  gst_mini_object_unref (GST_MINI_OBJECT (message));

  commit_and_wait (GST_ELEMENT (composition), &ret);

  message = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE,
      GST_MESSAGE_ASYNC_DONE | GST_MESSAGE_ERROR);
  gst_mini_object_unref (GST_MINI_OBJECT (message));

  gst_element_seek_simple (pipeline,
      GST_FORMAT_TIME,
      GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE, 15 * GST_SECOND);

  message = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE,
      GST_MESSAGE_ASYNC_DONE | GST_MESSAGE_ERROR);
  gst_mini_object_unref (GST_MINI_OBJECT (message));

  ret =
      gst_element_query_position (GST_ELEMENT (pipeline), GST_FORMAT_TIME,
      &position);
  fail_unless_equals_uint64 (position, 15 * GST_SECOND);

  gst_element_seek_simple (pipeline,
      GST_FORMAT_TIME,
      GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE, 18 * GST_SECOND);

  message = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE,
      GST_MESSAGE_ASYNC_DONE | GST_MESSAGE_ERROR);
  gst_mini_object_unref (GST_MINI_OBJECT (message));

  ret =
      gst_element_query_position (GST_ELEMENT (pipeline), GST_FORMAT_TIME,
      &position);
  fail_unless_equals_uint64 (position, 18 * GST_SECOND);

  nle_composition_remove (composition, source2);

  commit_and_wait (GST_ELEMENT (composition), &ret);
  g_object_get (composition, "duration", &duration, NULL);
  fail_unless_equals_uint64 (duration, 10 * GST_SECOND);

  ret =
      gst_element_query_position (GST_ELEMENT (pipeline), GST_FORMAT_TIME,
      &position);
  fail_unless_equals_uint64 (position, 10 * GST_SECOND - 1);

  gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
  gst_object_unref (pipeline);
  gst_object_unref (bus);

  ges_deinit ();
}

GST_END_TEST;

GST_START_TEST (test_dispose_on_commit)
{
  GstElement *composition;
  GstElement *nlesource;
  GstElement *audiotestsrc;
  GstElement *pipeline, *fakesink;
  gboolean ret;

  ges_init ();

  composition = gst_element_factory_make ("nlecomposition", "composition");
  pipeline = GST_ELEMENT (gst_pipeline_new (NULL));
  fakesink = gst_element_factory_make ("fakevideosink", NULL);
  g_object_set (fakesink, "sync", FALSE, NULL);

  nlesource = gst_element_factory_make ("nlesource", "nlesource1");
  audiotestsrc = gst_element_factory_make ("audiotestsrc", "audiotestsrc1");
  gst_bin_add (GST_BIN (nlesource), audiotestsrc);
  g_object_set (nlesource, "start", (guint64) 0 * GST_SECOND,
      "duration", (gint64) 10 * GST_SECOND, "inpoint", (guint64) 0, "priority",
      1, NULL);
  fail_unless (nle_composition_add (GST_BIN (composition), nlesource));

  gst_bin_add_many (GST_BIN (pipeline), composition, fakesink, NULL);
  fail_unless (gst_element_link (composition, fakesink) == TRUE);


  ASSERT_OBJECT_REFCOUNT (composition, "composition", 1);
  g_signal_emit_by_name (composition, "commit", TRUE, &ret);

  gst_object_unref (pipeline);

  ges_deinit ();
}

GST_END_TEST;

GST_START_TEST (test_simple_audiomixer)
{
  GstBus *bus;
  GstMessage *message;
  GstElement *pipeline;
  GstElement *nle_audiomixer;
  GstElement *composition;
  GstElement *audiomixer, *fakesink;
  GstElement *nlesource1, *nlesource2;
  GstElement *audiotestsrc1, *audiotestsrc2;

  gboolean carry_on = TRUE, ret;
  GstClockTime total_time = 10 * GST_SECOND;

  ges_init ();

  pipeline = GST_ELEMENT (gst_pipeline_new (NULL));
  bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));

  composition = gst_element_factory_make ("nlecomposition", "composition");
  gst_element_set_state (composition, GST_STATE_READY);
  fakesink = gst_element_factory_make ("fakeaudiosink", NULL);
  g_object_set (fakesink, "sync", FALSE, NULL);

  /* nle_audiomixer */
  nle_audiomixer = gst_element_factory_make ("nleoperation", "nle_audiomixer");
  audiomixer = gst_element_factory_make ("audiomixer", "audiomixer");
  fail_unless (audiomixer != NULL);
  gst_bin_add (GST_BIN (nle_audiomixer), audiomixer);
  g_object_set (nle_audiomixer, "start", (guint64) 0 * GST_SECOND,
      "duration", total_time, "inpoint", (guint64) 0 * GST_SECOND,
      "priority", 0, NULL);
  nle_composition_add (GST_BIN (composition), nle_audiomixer);

  /* source 1 */
  nlesource1 = gst_element_factory_make ("nlesource", "nlesource1");
  audiotestsrc1 = gst_element_factory_make ("audiotestsrc", "audiotestsrc1");
  gst_bin_add (GST_BIN (nlesource1), audiotestsrc1);
  g_object_set (nlesource1, "start", (guint64) 0 * GST_SECOND,
      "duration", (gint64) total_time / 2, "inpoint", (guint64) 0, "priority",
      1, NULL);
  fail_unless (nle_composition_add (GST_BIN (composition), nlesource1));

  /* nlesource2 */
  nlesource2 = gst_element_factory_make ("nlesource", "nlesource2");
  audiotestsrc2 = gst_element_factory_make ("audiotestsrc", "audiotestsrc2");
  gst_bin_add (GST_BIN (nlesource2), GST_ELEMENT (audiotestsrc2));
  g_object_set (nlesource2, "start", (guint64) 0 * GST_SECOND,
      "duration", total_time, "inpoint", (guint64) 0 * GST_SECOND, "priority",
      2, NULL);

  GST_DEBUG ("Adding composition to pipeline");
  gst_bin_add_many (GST_BIN (pipeline), composition, fakesink, NULL);

  fail_unless (nle_composition_add (GST_BIN (composition), nlesource2));
  fail_unless (gst_element_link (composition, fakesink) == TRUE);

  GST_DEBUG ("Setting pipeline to PLAYING");

  commit_and_wait (composition, &ret);
  fail_if (gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING)
      == GST_STATE_CHANGE_FAILURE);

  message = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE,
      GST_MESSAGE_ASYNC_DONE | GST_MESSAGE_ERROR);

  if (GST_MESSAGE_TYPE (message) == GST_MESSAGE_ERROR)
    fail_error_message (message);
  gst_mini_object_unref (GST_MINI_OBJECT (message));

  GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
      GST_DEBUG_GRAPH_SHOW_ALL, "nle-simple-audiomixer-test-play");

  /* Now play the 10 second composition */
  while (carry_on) {
    message = gst_bus_poll (bus, GST_MESSAGE_ANY, GST_SECOND / 10);
    GST_LOG ("poll: %" GST_PTR_FORMAT, message);
    if (message) {
      switch (GST_MESSAGE_TYPE (message)) {
        case GST_MESSAGE_EOS:
          /* we should check if we really finished here */
          GST_WARNING ("Got an EOS");
          carry_on = FALSE;
          break;
        case GST_MESSAGE_SEGMENT_START:
        case GST_MESSAGE_SEGMENT_DONE:
          /* We shouldn't see any segement messages, since we didn't do a segment seek */
          GST_WARNING ("Saw a Segment start/stop");
          fail_if (TRUE);
          carry_on = FALSE;
          break;
        case GST_MESSAGE_ERROR:
          fail_error_message (message);
        default:
          break;
      }
      gst_mini_object_unref (GST_MINI_OBJECT (message));
    }
  }

  gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
  gst_object_unref (bus);
  gst_object_unref (pipeline);

  ges_deinit ();
}

GST_END_TEST;

static GstElement *
create_nested_source (gint nesting_depth)
{
  gint i;
  GstElement *source, *nested_comp, *bin;

  source = videotest_nle_src ("source", 0, 2 * GST_SECOND, 2, 2);
  for (i = 0; i < nesting_depth; i++) {
    gchar *name = g_strdup_printf ("nested_comp%d", i);
    gchar *desc = g_strdup_printf ("nlecomposition name=%s ! queue", name);
    bin = gst_parse_bin_from_description (desc, TRUE, NULL);
    nested_comp = gst_bin_get_by_name (GST_BIN (bin), name);
    g_free (name);
    g_free (desc);

    nle_composition_add (GST_BIN (nested_comp), source);
    gst_object_unref (nested_comp);

    name = g_strdup_printf ("nested_src%d", i);
    source = gst_element_factory_make_or_warn ("nlesource", name);
    g_free (name);
    g_object_set (source, "start", (guint64) 0, "duration",
        (gint64) 2 * GST_SECOND, NULL);
    gst_bin_add (GST_BIN (source), bin);
  }


  return source;
}

GST_START_TEST (test_seek_on_nested)
{
  GstBus *bus;
  GstPad *srcpad;
  GstElement *pipeline, *comp, *nested_source, *sink;
  GstMessage *message;
  gboolean carry_on, ret = FALSE;
  GstClockTime position;

  ges_init ();

  pipeline = gst_pipeline_new ("test_pipeline");
  comp = gst_element_factory_make_or_warn ("nlecomposition", NULL);

  gst_element_set_state (comp, GST_STATE_READY);
  sink = gst_element_factory_make_or_warn ("fakevideosink", "sink");
  g_object_set (sink, "sync", FALSE, NULL);
  gst_bin_add_many (GST_BIN (pipeline), comp, sink, NULL);

  gst_element_link (comp, sink);

  nested_source = create_nested_source (1);
  srcpad = gst_element_get_static_pad (nested_source, "src");
  gst_pad_add_probe (srcpad, GST_PAD_PROBE_TYPE_EVENT_UPSTREAM,
      (GstPadProbeCallback) on_source1_pad_event_cb, NULL, NULL);
  gst_object_unref (srcpad);

  /* Add nested source */
  nle_composition_add (GST_BIN (comp), nested_source);
  commit_and_wait (comp, &ret);
  check_start_stop_duration (comp, 0, 2 * GST_SECOND, 2 * GST_SECOND);

  bus = gst_element_get_bus (GST_ELEMENT (pipeline));

  fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
          GST_STATE_PAUSED) == GST_STATE_CHANGE_FAILURE);

  GST_DEBUG ("Let's poll the bus");

  carry_on = TRUE;
  while (carry_on) {
    message = gst_bus_poll (bus, GST_MESSAGE_ANY, GST_SECOND / 10);
    if (message) {
      switch (GST_MESSAGE_TYPE (message)) {
        case GST_MESSAGE_ASYNC_DONE:
        {
          carry_on = FALSE;
          GST_DEBUG ("Pipeline reached PAUSED, stopping polling");
          break;
        }
        case GST_MESSAGE_EOS:
        {
          GST_WARNING ("Saw EOS");

          fail_if (TRUE);
        }
        case GST_MESSAGE_ERROR:
          GST_DEBUG_BIN_TO_DOT_FILE (GST_BIN (pipeline),
              GST_DEBUG_GRAPH_SHOW_ALL, "error");
          fail_error_message (message);
        default:
          break;
      }
      gst_mini_object_unref (GST_MINI_OBJECT (message));
    }
  }

  gst_element_seek_simple (pipeline,
      GST_FORMAT_TIME,
      GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE, 1 * GST_SECOND);

  message = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE,
      GST_MESSAGE_ASYNC_DONE | GST_MESSAGE_ERROR);
  gst_mini_object_unref (GST_MINI_OBJECT (message));

  ret =
      gst_element_query_position (GST_ELEMENT (pipeline), GST_FORMAT_TIME,
      (gint64 *) & position);
  fail_unless_equals_uint64 (position, 1 * GST_SECOND);

  GST_DEBUG ("Setting pipeline to NULL");

  fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
          GST_STATE_NULL) == GST_STATE_CHANGE_FAILURE);

  GST_DEBUG ("Resetted pipeline to NULL");

  ASSERT_OBJECT_REFCOUNT_BETWEEN (pipeline, "main pipeline", 1, 2);
  ASSERT_OBJECT_REFCOUNT_BETWEEN (bus, "main bus", 1, 2);
  gst_object_unref (bus);
  gst_check_objects_destroyed_on_unref (pipeline, comp, nested_source, NULL);

  ges_deinit ();
}

GST_END_TEST;

GST_START_TEST (test_error_in_nested_timeline)
{
  GstBus *bus;
  GstPad *srcpad;
  GstElement *pipeline, *comp, *nested_source, *sink;
  GstMessage *message;
  gboolean carry_on, ret = FALSE;

  ges_init ();

  pipeline = gst_pipeline_new ("test_pipeline");
  comp = gst_element_factory_make_or_warn ("nlecomposition", NULL);

  gst_element_set_state (comp, GST_STATE_READY);
  sink = gst_element_factory_make_or_warn ("fakevideosink", "sink");
  g_object_set (sink, "sync", FALSE, NULL);
  gst_bin_add_many (GST_BIN (pipeline), comp, sink, NULL);

  gst_element_link (comp, sink);

  nested_source = create_nested_source (1);
  srcpad = gst_element_get_static_pad (nested_source, "src");
  gst_pad_add_probe (srcpad, GST_PAD_PROBE_TYPE_EVENT_UPSTREAM,
      (GstPadProbeCallback) on_source1_pad_event_cb, NULL, NULL);
  gst_object_unref (srcpad);

  /* Add nested source */
  nle_composition_add (GST_BIN (comp), nested_source);
  commit_and_wait (comp, &ret);
  check_start_stop_duration (comp, 0, 2 * GST_SECOND, 2 * GST_SECOND);

  bus = gst_element_get_bus (GST_ELEMENT (pipeline));

  fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
          GST_STATE_PAUSED) == GST_STATE_CHANGE_FAILURE);

  GST_DEBUG ("Let's poll the bus");

  carry_on = TRUE;
  while (carry_on) {
    message = gst_bus_poll (bus, GST_MESSAGE_ANY, GST_SECOND / 10);
    if (message) {
      switch (GST_MESSAGE_TYPE (message)) {
        case GST_MESSAGE_ASYNC_DONE:
        {
          carry_on = FALSE;
          GST_DEBUG ("Pipeline reached PAUSED, stopping polling");
          break;
        }
        case GST_MESSAGE_EOS:
        {
          GST_WARNING ("Saw EOS");

          fail_if (TRUE);
        }
        case GST_MESSAGE_ERROR:
          GST_DEBUG_BIN_TO_DOT_FILE (GST_BIN (pipeline),
              GST_DEBUG_GRAPH_SHOW_ALL, "error");
          fail_error_message (message);
        default:
          break;
      }
      gst_mini_object_unref (GST_MINI_OBJECT (message));
    }
  }

  GST_ELEMENT_ERROR (nested_source, STREAM, FAILED,
      ("Faking an error message"), ("Nothing"));

  message =
      gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE, GST_MESSAGE_ERROR);
  gst_mini_object_unref (GST_MINI_OBJECT (message));

  fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
          GST_STATE_NULL) == GST_STATE_CHANGE_FAILURE);

  GST_DEBUG ("Resetted pipeline to NULL");

  ASSERT_OBJECT_REFCOUNT_BETWEEN (bus, "main bus", 1, 2);
  gst_object_unref (bus);

  ges_deinit ();
}

GST_END_TEST;

GST_START_TEST (test_nest_deep)
{
  GstBus *bus;
  GstPad *srcpad;
  GstElement *pipeline, *comp, *nested_source, *sink;
  GstMessage *message;
  gboolean carry_on, ret = FALSE;
  GstClockTime position;

  ges_init ();

  pipeline = gst_pipeline_new ("test_pipeline");
  comp = gst_element_factory_make_or_warn ("nlecomposition", NULL);

  gst_element_set_state (comp, GST_STATE_READY);
  sink = gst_element_factory_make_or_warn ("fakevideosink", "sink");
  g_object_set (sink, "sync", FALSE, NULL);
  gst_bin_add_many (GST_BIN (pipeline), comp, sink, NULL);

  gst_element_link (comp, sink);

  nested_source = create_nested_source (2);
  srcpad = gst_element_get_static_pad (nested_source, "src");
  gst_pad_add_probe (srcpad, GST_PAD_PROBE_TYPE_EVENT_UPSTREAM,
      (GstPadProbeCallback) on_source1_pad_event_cb, NULL, NULL);
  gst_object_unref (srcpad);

  /* Add nested source */
  nle_composition_add (GST_BIN (comp), nested_source);
  commit_and_wait (comp, &ret);
  check_start_stop_duration (comp, 0, 2 * GST_SECOND, 2 * GST_SECOND);

  bus = gst_element_get_bus (GST_ELEMENT (pipeline));

  fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
          GST_STATE_PAUSED) == GST_STATE_CHANGE_FAILURE);

  GST_DEBUG ("Let's poll the bus");

  carry_on = TRUE;
  while (carry_on) {
    message = gst_bus_poll (bus, GST_MESSAGE_ANY, GST_SECOND / 10);
    GST_DEBUG_BIN_TO_DOT_FILE (GST_BIN (pipeline),
        GST_DEBUG_GRAPH_SHOW_ALL, "nothing");
    if (message) {
      switch (GST_MESSAGE_TYPE (message)) {
        case GST_MESSAGE_ASYNC_DONE:
        {
          carry_on = FALSE;
          GST_DEBUG ("Pipeline reached PAUSED, stopping polling");
          break;
        }
        case GST_MESSAGE_EOS:
        {
          GST_WARNING ("Saw EOS");

          fail_if (TRUE);
        }
        case GST_MESSAGE_ERROR:
          GST_DEBUG_BIN_TO_DOT_FILE (GST_BIN (pipeline),
              GST_DEBUG_GRAPH_SHOW_ALL, "error");
          fail_error_message (message);
        default:
          break;
      }
      gst_mini_object_unref (GST_MINI_OBJECT (message));
    }
  }

  gst_element_seek_simple (pipeline,
      GST_FORMAT_TIME,
      GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE, 1 * GST_SECOND);

  message = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE,
      GST_MESSAGE_ASYNC_DONE | GST_MESSAGE_ERROR);
  gst_mini_object_unref (GST_MINI_OBJECT (message));

  ret =
      gst_element_query_position (GST_ELEMENT (pipeline), GST_FORMAT_TIME,
      (gint64 *) & position);
  fail_unless_equals_uint64 (position, 1 * GST_SECOND);

  GST_DEBUG ("Setting pipeline to NULL");

  fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
          GST_STATE_NULL) == GST_STATE_CHANGE_FAILURE);

  GST_DEBUG ("Resetted pipeline to NULL");

  ASSERT_OBJECT_REFCOUNT_BETWEEN (pipeline, "main pipeline", 1, 2);
  gst_check_objects_destroyed_on_unref (pipeline, comp, nested_source, NULL);
  ASSERT_OBJECT_REFCOUNT_BETWEEN (bus, "main bus", 1, 2);
  gst_object_unref (bus);

  ges_deinit ();
}

GST_END_TEST;



static Suite *
gnonlin_suite (void)
{
  Suite *s = suite_create ("nlecomposition");
  TCase *tc_chain = tcase_create ("nlecomposition");

  suite_add_tcase (s, tc_chain);

  tcase_add_test (tc_chain, test_change_object_start_stop_in_current_stack);
  tcase_add_test (tc_chain, test_remove_invalid_object);
  tcase_add_test (tc_chain, test_remove_last_object);
  tcase_add_test (tc_chain, test_seek_on_nested);
  tcase_add_test (tc_chain, test_error_in_nested_timeline);
  tcase_add_test (tc_chain, test_nest_deep);

  tcase_add_test (tc_chain, test_dispose_on_commit);

  if (gst_registry_check_feature_version (gst_registry_get (), "audiomixer", 1,
          0, 0)) {
    tcase_add_test (tc_chain, test_simple_audiomixer);
  } else {
    GST_WARNING ("audiomixer element not available, skipping 1 test");
  }

  return s;
}

GST_CHECK_MAIN (gnonlin)