gstreamer/testsuite/caps/caps.c

#include <gst/gst.h>


void
test1 (void)
{
  GstCaps *caps;
  GstCaps *caps2;

  g_print ("type is %d\n", (int) gst_caps_get_type ());

  caps = gst_caps_new_empty ();
  g_assert (caps != NULL);
  gst_caps_free (caps);

  caps = gst_caps_new_any ();
  g_assert (caps != NULL);
  gst_caps_free (caps);

  caps = gst_caps_new_simple ("audio/raw", "_int", G_TYPE_INT, 100, NULL);
  g_assert (caps != NULL);
  g_assert (gst_caps_is_empty (caps) == FALSE);
  g_assert (gst_caps_is_any (caps) == FALSE);
  g_assert (GST_CAPS_IS_SIMPLE (caps) == TRUE);
  g_assert (gst_caps_is_fixed (caps) == TRUE);
  g_print ("%s\n", gst_caps_to_string (caps));
  gst_caps_free (caps);

  caps = gst_caps_new_simple ("audio/raw",
      "_double", G_TYPE_DOUBLE, 100.0, NULL);
  g_assert (caps != NULL);
  g_assert (gst_caps_is_empty (caps) == FALSE);
  g_assert (gst_caps_is_any (caps) == FALSE);
  g_assert (GST_CAPS_IS_SIMPLE (caps) == TRUE);
  g_assert (gst_caps_is_fixed (caps) == TRUE);
  g_print ("%s\n", gst_caps_to_string (caps));
  gst_caps_free (caps);

  caps = gst_caps_new_simple ("audio/raw",
      "_fourcc", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('a', 'b', 'c', 'd'), NULL);
  g_assert (caps != NULL);
  g_assert (gst_caps_is_empty (caps) == FALSE);
  g_assert (gst_caps_is_any (caps) == FALSE);
  g_assert (GST_CAPS_IS_SIMPLE (caps) == TRUE);
  g_assert (gst_caps_is_fixed (caps) == TRUE);
  g_print ("%s\n", gst_caps_to_string (caps));
  gst_caps_free (caps);

  caps = gst_caps_new_simple ("audio/raw",
      "_boolean", G_TYPE_BOOLEAN, TRUE, NULL);
  g_assert (caps != NULL);
  g_assert (gst_caps_is_empty (caps) == FALSE);
  g_assert (gst_caps_is_any (caps) == FALSE);
  g_assert (GST_CAPS_IS_SIMPLE (caps) == TRUE);
  g_assert (gst_caps_is_fixed (caps) == TRUE);
  g_print ("%s\n", gst_caps_to_string (caps));
  gst_caps_free (caps);

  caps =
      gst_caps_new_full (gst_structure_new ("audio/raw", "_int", G_TYPE_INT,
          100, NULL), gst_structure_new ("audio/raw2", "_int", G_TYPE_INT, 100,
          NULL), NULL);
  g_assert (caps != NULL);
  g_assert (gst_caps_is_empty (caps) == FALSE);
  g_assert (gst_caps_is_any (caps) == FALSE);
  g_assert (GST_CAPS_IS_SIMPLE (caps) == FALSE);
  g_assert (gst_caps_is_fixed (caps) == FALSE);
  g_print ("%s\n", gst_caps_to_string (caps));
  gst_caps_free (caps);

  caps = gst_caps_new_simple ("audio/raw", "_int", G_TYPE_INT, 100, NULL);
  g_assert (caps != NULL);
  caps2 = gst_caps_copy (caps);
  g_assert (caps2 != NULL);
  g_assert (gst_caps_is_empty (caps2) == FALSE);
  g_assert (gst_caps_is_any (caps2) == FALSE);
  g_assert (GST_CAPS_IS_SIMPLE (caps2) == TRUE);
  g_assert (gst_caps_is_fixed (caps2) == TRUE);
  g_print ("%s\n", gst_caps_to_string (caps));
  g_print ("%s\n", gst_caps_to_string (caps2));
  gst_caps_free (caps);
  gst_caps_free (caps2);

  caps = gst_caps_new_simple ("audio/raw", "_int", G_TYPE_INT, 100, NULL);
  gst_caps_append (caps,
      gst_caps_new_simple ("audio/raw", "_int", G_TYPE_INT, 200, NULL));
  g_assert (caps != NULL);
  g_assert (gst_caps_is_empty (caps) == FALSE);
  g_assert (gst_caps_is_any (caps) == FALSE);
  g_assert (GST_CAPS_IS_SIMPLE (caps) == FALSE);
  g_assert (gst_caps_is_fixed (caps) == FALSE);
  g_print ("%s\n", gst_caps_to_string (caps));
  gst_caps_free (caps);

  caps = gst_caps_new_simple ("audio/raw", "_int", G_TYPE_INT, 100, NULL);
  g_assert (caps != NULL);
  gst_caps_append_structure (caps,
      gst_structure_new ("audio/raw", "_int", G_TYPE_INT, 200, NULL));
  g_assert (gst_caps_is_empty (caps) == FALSE);
  g_assert (gst_caps_is_any (caps) == FALSE);
  g_assert (GST_CAPS_IS_SIMPLE (caps) == FALSE);
  g_assert (gst_caps_is_fixed (caps) == FALSE);
  g_print ("%s\n", gst_caps_to_string (caps));
  gst_caps_free (caps);
}

void
test2 (void)
{
  GstCaps *caps1;
  GstCaps *caps2;
  GstCaps *caps;

  caps1 =
      gst_caps_new_full (gst_structure_new ("audio/raw", "_int", G_TYPE_INT,
          100, NULL), gst_structure_new ("audio/raw", "_int", G_TYPE_INT, 200,
          NULL), NULL);
  caps2 =
      gst_caps_new_full (gst_structure_new ("audio/raw", "_int", G_TYPE_INT,
          100, NULL), gst_structure_new ("audio/raw", "_int", G_TYPE_INT, 300,
          NULL), NULL);
  caps = gst_caps_intersect (caps1, caps2);
  g_print ("%s\n", gst_caps_to_string (caps));
  gst_caps_free (caps);
  gst_caps_free (caps1);
  gst_caps_free (caps2);

}

void
test3 (void)
{
  GstCaps *caps1;
  GstCaps *caps2;

  caps1 = gst_caps_new_any ();
  caps2 = gst_caps_new_simple ("audio/raw", NULL);

  gst_caps_append (caps1, caps2);
  g_print ("%s\n", gst_caps_to_string (caps1));

  g_assert (gst_caps_is_any (caps1));
  g_assert (gst_caps_get_size (caps1) == 0);

  gst_caps_free (caps1);
}

int
main (int argc, char *argv[])
{
  gst_init (&argc, &argv);

  test1 ();
  test2 ();
  test3 ();

  return 0;
}