gstvalue.c

gnash 在pc和嵌入式下开发需要的源码

  /* Value for tests */
  g_value_init (&cmp, GST_TYPE_FRACTION);

  /*  fraction <-> fraction
   */
  g_value_init (&src1, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src1, 10, 1);
  g_value_init (&src2, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src2, 20, 1);
  gst_value_set_fraction (&src1, 10, 1);

  /* subtract as in sets, result is 10 */
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (gst_value_compare (&dest, &src1) == GST_VALUE_EQUAL);
  g_value_unset (&dest);

  /* same values, yields empty set */
  ret = gst_value_subtract (&dest, &src1, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /*  fraction <-> fraction_range
   */

  /* would yield an empty set */
  g_value_init (&src1, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src1, 10, 1);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 0, 1, 20, 1);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);

  /* and the other way around, we cannot create open ranges
   * so the result is the range again */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  gst_value_set_fraction (&cmp, 0, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (&dest),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 20, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (&dest),
          &cmp) == GST_VALUE_EQUAL);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* border case 1, empty set */
  g_value_init (&src1, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src1, 10, 1);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 10, 1, 20, 1);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);

  /* and the other way around, should keep same range as
   * we don't have open ranges. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  gst_value_set_fraction (&cmp, 10, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (&dest),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 20, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (&dest),
          &cmp) == GST_VALUE_EQUAL);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* case 2, valid set */
  g_value_init (&src1, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src1, 0, 1);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 10, 1, 20, 1);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION (&dest) == TRUE);
  fail_unless (gst_value_compare (&dest, &src1) == GST_VALUE_EQUAL);
  g_value_unset (&dest);

  /* and the other way around, should keep the range. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  fail_unless (gst_value_compare (&dest, &src2) == GST_VALUE_EQUAL);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /*  fraction_range <-> fraction_range
   */

  /* same range, empty set */
  g_value_init (&src1, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src1, 10, 2, 20, 2);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 10, 2, 20, 2);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* non overlapping ranges */
  g_value_init (&src1, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src1, 10, 2, 10, 1);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 30, 2, 40, 2);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  gst_value_set_fraction (&cmp, 5, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (&dest),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 10, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (&dest),
          &cmp) == GST_VALUE_EQUAL);

  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  gst_value_set_fraction (&cmp, 15, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (&dest),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 20, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (&dest),
          &cmp) == GST_VALUE_EQUAL);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* completely overlapping ranges */
  g_value_init (&src1, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src1, 10, 1, 20, 1);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 10, 1, 30, 1);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  gst_value_set_fraction (&cmp, 20, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (&dest),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 30, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (&dest),
          &cmp) == GST_VALUE_EQUAL);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* partially overlapping ranges */
  g_value_init (&src1, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src1, 10, 1, 20, 1);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 15, 1, 30, 1);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  gst_value_set_fraction (&cmp, 10, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (&dest),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 15, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (&dest),
          &cmp) == GST_VALUE_EQUAL);
  g_value_unset (&dest);

  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  gst_value_set_fraction (&cmp, 20, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (&dest),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 30, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (&dest),
          &cmp) == GST_VALUE_EQUAL);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* create a hole { double_range, double_range } */
  g_value_init (&src1, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src1, 10, 1, 30, 1);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 15, 1, 20, 1);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  /* 1st list entry */
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (tmp) == TRUE);
  gst_value_set_fraction (&cmp, 10, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (tmp),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 15, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (tmp),
          &cmp) == GST_VALUE_EQUAL);
  /* 2nd list entry */
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (tmp) == TRUE);
  gst_value_set_fraction (&cmp, 20, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (tmp),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 30, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (tmp),
          &cmp) == GST_VALUE_EQUAL);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  g_value_unset (&cmp);
}

GST_END_TEST;

GST_START_TEST (test_date)
{
  GstStructure *s;
  GDate *date, *date2;
  gchar *str;

  date = g_date_new_dmy (22, 9, 2005);

  s = gst_structure_new ("media/x-type", "SOME_DATE_TAG", GST_TYPE_DATE,
      date, NULL);

  fail_unless (gst_structure_has_field_typed (s, "SOME_DATE_TAG",
          GST_TYPE_DATE));
  fail_unless (gst_structure_get_date (s, "SOME_DATE_TAG", &date2));
  fail_unless (date2 != NULL);
  fail_unless (g_date_valid (date2));
  fail_unless (g_date_compare (date, date2) == 0);

  g_date_free (date);
  g_date_free (date2);
  date = NULL;
  date2 = NULL;

  str = gst_structure_to_string (s);
  gst_structure_free (s);
  s = NULL;

  fail_unless (g_str_equal (str,
          "media/x-type, SOME_DATE_TAG=(GstDate)2005-09-22;"));

  s = gst_structure_from_string (str, NULL);
  g_free (str);
  str = NULL;

  fail_unless (s != NULL);
  fail_unless (gst_structure_has_name (s, "media/x-type"));
  fail_unless (gst_structure_has_field_typed (s, "SOME_DATE_TAG",
          GST_TYPE_DATE));
  fail_unless (gst_structure_get_date (s, "SOME_DATE_TAG", &date));
  fail_unless (date != NULL);
  fail_unless (g_date_valid (date));
  fail_unless (g_date_get_day (date) == 22);
  fail_unless (g_date_get_month (date) == 9);
  fail_unless (g_date_get_year (date) == 2005);
  g_date_free (date);
  date = NULL;

  str = gst_structure_to_string (s);
  gst_structure_free (s);
  s = NULL;

  fail_unless (g_str_equal (str,
          "media/x-type, SOME_DATE_TAG=(GstDate)2005-09-22;"));
  g_free (str);
  str = NULL;
}

GST_END_TEST;

GST_START_TEST (test_fraction_range)
{
  GValue range = { 0, };
  GValue start = { 0, }, end = {
  0,};
  GValue src = { 0, }, dest = {
  0,};
  GValue range2 = { 0, };

  g_value_init (&range, GST_TYPE_FRACTION_RANGE);
  g_value_init (&range2, GST_TYPE_FRACTION_RANGE);
  g_value_init (&start, GST_TYPE_FRACTION);
  g_value_init (&end, GST_TYPE_FRACTION);
  g_value_init (&src, GST_TYPE_FRACTION);

  gst_value_set_fraction (&src, 1, 2);

  /* Check that a intersection of fraction & range = fraction */
  gst_value_set_fraction (&start, 1, 4);
  gst_value_set_fraction (&end, 2, 3);
  gst_value_set_fraction_range (&range, &start, &end);

  fail_unless (gst_value_intersect (&dest, &src, &range) == TRUE);
  fail_unless (G_VALUE_TYPE (&dest) == GST_TYPE_FRACTION);
  fail_unless (gst_value_compare (&dest, &src) == GST_VALUE_EQUAL);

  /* Check that a intersection selects the overlapping range */
  gst_value_set_fraction (&start, 1, 3);
  gst_value_set_fraction (&end, 2, 3);
  gst_value_set_fraction_range (&range2, &start, &end);
  g_value_unset (&dest);
  fail_unless (gst_value_intersect (&dest, &range, &range2) == TRUE);
  fail_unless (G_VALUE_TYPE (&dest) == GST_TYPE_FRACTION_RANGE);

  gst_value_set_fraction_range (&range2, &start, &end);
  fail_unless (gst_value_compare (&dest, &range2) == GST_VALUE_EQUAL);

  /* Check that non intersection ranges don't intersect */
  gst_value_set_fraction (&start, 4, 2);
  gst_value_set_fraction (&end, 5, 2);
  gst_value_set_fraction_range (&range2, &start, &end);
  g_value_unset (&dest);
  fail_unless (gst_value_intersect (&dest, &range, &range2) == FALSE);

  g_value_unset (&start);
  g_value_unset (&end);
  g_value_unset (&range);
  g_value_unset (&range2);
  g_value_unset (&src);
}

GST_END_TEST;

GST_START_TEST (test_serialize_deserialize_format_enum)
{
  GstStructure *s, *s2;
  GstFormat foobar_fmt;
  gchar *str, *str2, *end = NULL;

  /* make sure custom formats are serialised properly as well */
  foobar_fmt = gst_format_register ("foobar", "GST_FORMAT_FOOBAR");
  fail_unless (foobar_fmt != GST_FORMAT_UNDEFINED);

  s = gst_structure_new ("foo/bar", "format1", GST_TYPE_FORMAT,
      GST_FORMAT_BYTES, "format2", GST_TYPE_FORMAT, GST_FORMAT_TIME,
      "format3", GST_TYPE_FORMAT, GST_FORMAT_DEFAULT, "format4",
      GST_TYPE_FORMAT, foobar_fmt, NULL);

  str = gst_structure_to_string (s);
  GST_LOG ("Got structure string '%s'", GST_STR_NULL (str));
  fail_unless (str != NULL);
  fail_unless (strstr (str, "TIME") != NULL);
  fail_unless (strstr (str, "BYTE") != NULL);
  fail_unless (strstr (str, "DEFAULT") != NULL);
  fail_unless (strstr (str, "FOOBAR") != NULL);

  s2 = gst_structure_from_string (str, &end);
  fail_unless (s2 != NULL);

  str2 = gst_structure_to_string (s2);
  fail_unless (str2 != NULL);

  fail_unless (g_str_equal (str, str2));

  g_free (str);
  g_free (str2);
  gst_structure_free (s);
  gst_structure_free (s2);
}

GST_END_TEST;

Suite *
gst_value_suite (void)
{
  Suite *s = suite_create ("GstValue");
  TCase *tc_chain = tcase_create ("general");

  suite_add_tcase (s, tc_chain);
  tcase_add_test (tc_chain, test_deserialize_buffer);
  tcase_add_test (tc_chain, test_serialize_buffer);
  tcase_add_test (tc_chain, test_deserialize_gint);
  tcase_add_test (tc_chain, test_deserialize_gint_failures);
  tcase_add_test (tc_chain, test_deserialize_guint);
  tcase_add_test (tc_chain, test_deserialize_guint_failures);
  tcase_add_test (tc_chain, test_deserialize_gint64);
  tcase_add_test (tc_chain, test_deserialize_gstfraction);
  tcase_add_test (tc_chain, test_serialize_flags);
  tcase_add_test (tc_chain, test_deserialize_flags);
  tcase_add_test (tc_chain, test_serialize_deserialize_format_enum);
  tcase_add_test (tc_chain, test_string);
  tcase_add_test (tc_chain, test_deserialize_string);
  tcase_add_test (tc_chain, test_value_compare);
  tcase_add_test (tc_chain, test_value_intersect);
  tcase_add_test (tc_chain, test_value_subtract_int);
  tcase_add_test (tc_chain, test_value_subtract_double);
  tcase_add_test (tc_chain, test_value_subtract_fraction);
  tcase_add_test (tc_chain, test_value_subtract_fraction_range);
  tcase_add_test (tc_chain, test_date);
  tcase_add_test (tc_chain, test_fraction_range);

  return s;
}

GST_CHECK_MAIN (gst_value);