controller.c

gnash 在pc和嵌入式下开发需要的源码

  /* that property should exist and should be controllable */
  ctrl = gst_controller_new (G_OBJECT (elem), "ulong", NULL);
  fail_unless (ctrl != NULL, NULL);

  /* Get interpolation control source */
  csource = gst_interpolation_control_source_new ();

  fail_unless (csource != NULL);
  fail_unless (gst_controller_set_control_source (ctrl, "ulong",
          GST_CONTROL_SOURCE (csource)));

  /* set interpolation mode */
  fail_unless (gst_interpolation_control_source_set_interpolation_mode (csource,
          GST_INTERPOLATE_LINEAR));

  /* Should fail if no value was set yet */
  g_value_init (&val_ulong, G_TYPE_ULONG);
  fail_if (gst_control_source_get_value (GST_CONTROL_SOURCE (csource),
          0 * GST_SECOND, &val_ulong));

  /* set control values */
  g_value_set_ulong (&val_ulong, 0);
  res =
      gst_interpolation_control_source_set (csource, 1 * GST_SECOND,
      &val_ulong);
  fail_unless (res, NULL);
  g_value_set_ulong (&val_ulong, 100);
  res =
      gst_interpolation_control_source_set (csource, 3 * GST_SECOND,
      &val_ulong);
  fail_unless (res, NULL);

  /* now pull in values for some timestamps */
  /* should give the value of the first control point for timestamps before it */
  gst_controller_sync_values (ctrl, 0 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 1 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 2 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 50);;
  gst_controller_sync_values (ctrl, 3 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;

  /* set control values */
  g_value_set_ulong (&val_ulong, 0);
  res =
      gst_interpolation_control_source_set (csource, 0 * GST_SECOND,
      &val_ulong);
  fail_unless (res, NULL);
  g_value_set_ulong (&val_ulong, 100);
  res =
      gst_interpolation_control_source_set (csource, 2 * GST_SECOND,
      &val_ulong);
  fail_unless (res, NULL);

  /* unset the old ones */
  res = gst_interpolation_control_source_unset (csource, 1 * GST_SECOND);
  fail_unless (res, NULL);
  res = gst_interpolation_control_source_unset (csource, 3 * GST_SECOND);
  fail_unless (res, NULL);

  /* now pull in values for some timestamps */
  /* should now give our value for timestamp 0 */
  gst_controller_sync_values (ctrl, 0 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 1 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 50);;
  gst_controller_sync_values (ctrl, 2 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;

  g_object_unref (G_OBJECT (csource));

  GST_INFO ("controller->ref_count=%d", G_OBJECT (ctrl)->ref_count);
  g_object_unref (ctrl);
  gst_object_unref (elem);
}

GST_END_TEST;

/* test gst_controller_set_disabled() with linear interpolation */
GST_START_TEST (controller_interpolate_linear_disabled)
{
  GstController *ctrl;
  GstInterpolationControlSource *csource, *csource2;
  GstElement *elem;
  gboolean res;
  GValue val_ulong = { 0, }
  , val_double = {
  0,};

  gst_controller_init (NULL, NULL);

  elem = gst_element_factory_make ("testmonosource", "test_source");

  /* that property should exist and should be controllable */
  ctrl = gst_controller_new (G_OBJECT (elem), "ulong", "double", NULL);
  fail_unless (ctrl != NULL, NULL);

  /* Get interpolation control source */
  csource = gst_interpolation_control_source_new ();
  csource2 = gst_interpolation_control_source_new ();

  fail_unless (csource != NULL);
  fail_unless (gst_controller_set_control_source (ctrl, "ulong",
          GST_CONTROL_SOURCE (csource)));
  fail_unless (csource2 != NULL);
  fail_unless (gst_controller_set_control_source (ctrl, "double",
          GST_CONTROL_SOURCE (csource2)));

  /* set interpolation mode */
  fail_unless (gst_interpolation_control_source_set_interpolation_mode (csource,
          GST_INTERPOLATE_LINEAR));
  fail_unless (gst_interpolation_control_source_set_interpolation_mode
      (csource2, GST_INTERPOLATE_LINEAR));

  /* set control values */
  g_value_init (&val_ulong, G_TYPE_ULONG);
  g_value_set_ulong (&val_ulong, 0);
  res =
      gst_interpolation_control_source_set (csource, 0 * GST_SECOND,
      &val_ulong);
  fail_unless (res, NULL);
  g_value_set_ulong (&val_ulong, 100);
  res =
      gst_interpolation_control_source_set (csource, 2 * GST_SECOND,
      &val_ulong);
  fail_unless (res, NULL);

  g_object_unref (G_OBJECT (csource));

/* set control values */
  g_value_init (&val_double, G_TYPE_DOUBLE);
  g_value_set_double (&val_double, 2.0);
  res =
      gst_interpolation_control_source_set (csource2, 0 * GST_SECOND,
      &val_double);
  fail_unless (res, NULL);
  g_value_set_double (&val_double, 4.0);
  res =
      gst_interpolation_control_source_set (csource2, 2 * GST_SECOND,
      &val_double);
  fail_unless (res, NULL);

  g_object_unref (G_OBJECT (csource2));

  /* now pull in values for some timestamps */
  gst_controller_sync_values (ctrl, 0 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 2.0, NULL);
  gst_controller_sync_values (ctrl, 1 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 50);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 3.0, NULL);
  gst_controller_sync_values (ctrl, 2 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 4.0, NULL);

  /* now pull in values for some timestamps, prop double disabled */
  GST_TEST_MONO_SOURCE (elem)->val_ulong = 0;
  GST_TEST_MONO_SOURCE (elem)->val_double = 0.0;
  gst_controller_set_property_disabled (ctrl, "double", TRUE);
  gst_controller_sync_values (ctrl, 0 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 0.0, NULL);
  gst_controller_sync_values (ctrl, 1 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 50);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 0.0, NULL);
  gst_controller_sync_values (ctrl, 2 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 0.0, NULL);

  /* now pull in values for some timestamps, after enabling double again */
  GST_TEST_MONO_SOURCE (elem)->val_ulong = 0;
  GST_TEST_MONO_SOURCE (elem)->val_double = 0.0;
  gst_controller_set_property_disabled (ctrl, "double", FALSE);
  gst_controller_sync_values (ctrl, 0 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 2.0, NULL);
  gst_controller_sync_values (ctrl, 1 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 50);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 3.0, NULL);
  gst_controller_sync_values (ctrl, 2 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 4.0, NULL);

  /* now pull in values for some timestamps, after disabling all props */
  GST_TEST_MONO_SOURCE (elem)->val_ulong = 0;
  GST_TEST_MONO_SOURCE (elem)->val_double = 0.0;
  gst_controller_set_disabled (ctrl, TRUE);
  gst_controller_sync_values (ctrl, 0 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 0.0, NULL);
  gst_controller_sync_values (ctrl, 1 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 0.0, NULL);
  gst_controller_sync_values (ctrl, 2 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 0.0, NULL);

  /* now pull in values for some timestamps, enabling double again */
  GST_TEST_MONO_SOURCE (elem)->val_ulong = 0;
  GST_TEST_MONO_SOURCE (elem)->val_double = 0.0;
  gst_controller_set_property_disabled (ctrl, "double", FALSE);
  gst_controller_sync_values (ctrl, 0 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 2.0, NULL);
  gst_controller_sync_values (ctrl, 1 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 3.0, NULL);
  gst_controller_sync_values (ctrl, 2 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 4.0, NULL);

  /* now pull in values for some timestamps, enabling all */
  GST_TEST_MONO_SOURCE (elem)->val_ulong = 0;
  GST_TEST_MONO_SOURCE (elem)->val_double = 0.0;
  gst_controller_set_disabled (ctrl, FALSE);
  gst_controller_sync_values (ctrl, 0 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 2.0, NULL);
  gst_controller_sync_values (ctrl, 1 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 50);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 3.0, NULL);
  gst_controller_sync_values (ctrl, 2 * GST_SECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  fail_unless (GST_TEST_MONO_SOURCE (elem)->val_double == 4.0, NULL);

  GST_INFO ("controller->ref_count=%d", G_OBJECT (ctrl)->ref_count);
  g_object_unref (ctrl);
  gst_object_unref (elem);
}

GST_END_TEST;


GST_START_TEST (controller_interpolation_set_from_list)
{
  GstController *ctrl;
  GstInterpolationControlSource *csource;
  GstTimedValue *tval;
  GstElement *elem;
  GSList *list = NULL;

  gst_controller_init (NULL, NULL);

  /* test that an invalid timestamp throws a warning of some sort */
  elem = gst_element_factory_make ("testmonosource", "test_source");

  /* that property should exist and should be controllable */
  ctrl = gst_controller_new (G_OBJECT (elem), "ulong", NULL);
  fail_unless (ctrl != NULL, NULL);

  /* Get interpolation control source */
  csource = gst_interpolation_control_source_new ();

  fail_unless (csource != NULL);
  fail_unless (gst_controller_set_control_source (ctrl, "ulong",
          GST_CONTROL_SOURCE (csource)));

  /* set interpolation mode */
  fail_unless (gst_interpolation_control_source_set_interpolation_mode (csource,
          GST_INTERPOLATE_LINEAR));

  /* set control value */
  tval = g_new0 (GstTimedValue, 1);
  tval->timestamp = GST_CLOCK_TIME_NONE;
  g_value_init (&tval->value, G_TYPE_ULONG);
  g_value_set_ulong (&tval->value, 0);

  list = g_slist_append (list, tval);

  fail_if (gst_interpolation_control_source_set_from_list (csource, list));

  /* try again with a valid stamp, should work now */
  tval->timestamp = 0;
  fail_unless (gst_interpolation_control_source_set_from_list (csource, list));

  g_object_unref (csource);

  /* allocated GstTimedValue now belongs to the controller, but list not */
  g_value_unset (&tval->value);
  g_free (tval);
  g_slist_free (list);
  g_object_unref (ctrl);
  gst_object_unref (elem);
}

GST_END_TEST;

/* test lfo control source with sine waveform */
GST_START_TEST (controller_lfo_sine)
{
  GstController *ctrl;
  GstLFOControlSource *csource;
  GstElement *elem;
  GValue amp = { 0, }
  , off = {
  0,};

  gst_controller_init (NULL, NULL);

  elem = gst_element_factory_make ("testmonosource", "test_source");

  /* that property should exist and should be controllable */
  ctrl = gst_controller_new (G_OBJECT (elem), "ulong", NULL);
  fail_unless (ctrl != NULL, NULL);

  /* Get interpolation control source */
  csource = gst_lfo_control_source_new ();

  fail_unless (csource != NULL);
  fail_unless (gst_controller_set_control_source (ctrl, "ulong",
          GST_CONTROL_SOURCE (csource)));

  /* set amplitude and offset values */
  g_value_init (&amp, G_TYPE_ULONG);
  g_value_init (&off, G_TYPE_ULONG);
  g_value_set_ulong (&amp, 100);
  g_value_set_ulong (&off, 100);

  /* set waveform mode */
  g_object_set (csource, "waveform", GST_LFO_WAVEFORM_SINE,
      "frequency", 1.0, "timeshift", (GstClockTime) 0,
      "amplitude", &amp, "offset", &off, NULL);

  g_object_unref (G_OBJECT (csource));

  /* now pull in values for some timestamps */
  gst_controller_sync_values (ctrl, 0 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  gst_controller_sync_values (ctrl, 250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 200);;
  gst_controller_sync_values (ctrl, 500 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  gst_controller_sync_values (ctrl, 750 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 1000 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  gst_controller_sync_values (ctrl, 1250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 200);;
  gst_controller_sync_values (ctrl, 1500 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  gst_controller_sync_values (ctrl, 1750 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 2000 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  gst_controller_sync_values (ctrl, 1250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 200);;
  gst_controller_sync_values (ctrl, 1500 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  gst_controller_sync_values (ctrl, 1750 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;

  GST_INFO ("controller->ref_count=%d", G_OBJECT (ctrl)->ref_count);
  g_object_unref (ctrl);
  gst_object_unref (elem);
}

GST_END_TEST;

/* test lfo control source with sine waveform and timeshift */
GST_START_TEST (controller_lfo_sine_timeshift)
{
  GstController *ctrl;
  GstLFOControlSource *csource;
  GstElement *elem;
  GValue amp = { 0, }
  , off = {
  0,};

  gst_controller_init (NULL, NULL);

  elem = gst_element_factory_make ("testmonosource", "test_source");

  /* that property should exist and should be controllable */
  ctrl = gst_controller_new (G_OBJECT (elem), "ulong", NULL);
  fail_unless (ctrl != NULL, NULL);

  /* Get interpolation control source */