gstreamer/testsuite/caps/value_intersect.c

#include <gst/gst.h>

void
test1 (void)
{
  GValue dest = { 0 };
  GValue src1 = { 0 };
  GValue src2 = { 0 };
  gboolean ret;

  g_value_init (&src1, G_TYPE_INT);
  g_value_set_int (&src1, 10);
  g_value_init (&src2, G_TYPE_INT);
  g_value_set_int (&src1, 20);
  ret = gst_value_intersect (&dest, &src1, &src2);
  g_assert (ret == 0);
  g_print ("ret = %d\n", ret);
}

void
test2 (void)
{
  GValue dest = { 0 };
  GValue src1 = { 0 };
  GValue src2 = { 0 };
  GValue item = { 0 };
  gboolean ret;

  g_value_init (&src1, GST_TYPE_FOURCC);
  gst_value_set_fourcc (&src1, GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'));
  g_value_init (&src2, GST_TYPE_LIST);
  g_value_init (&item, GST_TYPE_FOURCC);
  gst_value_set_fourcc (&item, GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'));
  gst_value_list_append_value (&src2, &item);
  gst_value_set_fourcc (&item, GST_MAKE_FOURCC ('I', '4', '2', '0'));
  gst_value_list_append_value (&src2, &item);
  gst_value_set_fourcc (&item, GST_MAKE_FOURCC ('A', 'B', 'C', 'D'));
  gst_value_list_append_value (&src2, &item);
  ret = gst_value_intersect (&dest, &src1, &src2);
  g_print ("ret = %d\n", ret);

  g_print ("type = %s\n", g_type_name (G_VALUE_TYPE (&dest)));
  g_print ("value = %s\n", g_strdup_value_contents (&dest));
}

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

  gst_init (&argc, &argv);

  test1 ();
  test2 ();

  return 0;

}