controller.c

gnash 在pc和嵌入式下开发需要的源码

  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", 250 * GST_MSECOND,
      "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, 0);;
  gst_controller_sync_values (ctrl, 250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  gst_controller_sync_values (ctrl, 500 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 200);;
  gst_controller_sync_values (ctrl, 750 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  gst_controller_sync_values (ctrl, 1000 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 1250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  gst_controller_sync_values (ctrl, 1500 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 200);;
  gst_controller_sync_values (ctrl, 1750 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  gst_controller_sync_values (ctrl, 2000 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 1250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;
  gst_controller_sync_values (ctrl, 1500 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 200);;
  gst_controller_sync_values (ctrl, 1750 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 100);;

  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 square waveform */
GST_START_TEST (controller_lfo_square)
{
  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_SQUARE,
      "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, 0);;
  gst_controller_sync_values (ctrl, 250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 500 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 200);;
  gst_controller_sync_values (ctrl, 750 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 200);;
  gst_controller_sync_values (ctrl, 1000 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 1250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 1500 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 200);;
  gst_controller_sync_values (ctrl, 1750 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 200);;
  gst_controller_sync_values (ctrl, 2000 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 1250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 1500 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 200);;
  gst_controller_sync_values (ctrl, 1750 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 200);;

  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 saw waveform */
GST_START_TEST (controller_lfo_saw)
{
  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_SAW,
      "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, 200);;
  gst_controller_sync_values (ctrl, 250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 150);;
  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, 50);;
  gst_controller_sync_values (ctrl, 1000 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 200);;
  gst_controller_sync_values (ctrl, 1250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 150);;
  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, 50);;
  gst_controller_sync_values (ctrl, 2000 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 200);;
  gst_controller_sync_values (ctrl, 1250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 150);;
  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, 50);;

  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 reverse saw waveform */
GST_START_TEST (controller_lfo_rsaw)
{
  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_REVERSE_SAW,
      "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, 0);;
  gst_controller_sync_values (ctrl, 250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 50);;
  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, 150);;
  gst_controller_sync_values (ctrl, 1000 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 1250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 50);;
  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, 150);;
  gst_controller_sync_values (ctrl, 2000 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 1250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 50);;
  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, 150);;

  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 saw waveform */
GST_START_TEST (controller_lfo_triangle)
{
  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_TRIANGLE,
      "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 nothing set */
GST_START_TEST (controller_lfo_none)
{
  GstController *ctrl;
  GstLFOControlSource *csource;
  GstElement *elem;

  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)));

  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, 0);;
  gst_controller_sync_values (ctrl, 250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 500 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  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, 0);;
  gst_controller_sync_values (ctrl, 1250 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 1500 * GST_MSECOND);
  fail_unless_equals_int (GST_TEST_MONO_SOURCE (elem)->val_ulong, 0);;
  gst_controller_sync_values (ctrl, 1750 * GST_MSECOND);
  fail_unless_equals_int