gstvalue.c

gnash 在pc和嵌入式下开发需要的源码

  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int_range_min (&dest) == 10);
  fail_unless (gst_value_get_int_range_max (&dest) == 20);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int_range_min (&dest) == 30);
  fail_unless (gst_value_get_int_range_max (&dest) == 40);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* completely overlapping ranges */
  g_value_init (&src1, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src1, 10, 20);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 10, 30);
  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_INT_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int_range_min (&dest) == 21);
  fail_unless (gst_value_get_int_range_max (&dest) == 30);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* partially overlapping ranges */
  g_value_init (&src1, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src1, 10, 20);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 15, 30);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int_range_min (&dest) == 10);
  fail_unless (gst_value_get_int_range_max (&dest) == 14);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int_range_min (&dest) == 21);
  fail_unless (gst_value_get_int_range_max (&dest) == 30);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* create a hole { int_range, int_range } */
  g_value_init (&src1, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src1, 10, 30);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 15, 20);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int_range_min (tmp) == 10);
  fail_unless (gst_value_get_int_range_max (tmp) == 14);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int_range_min (tmp) == 21);
  fail_unless (gst_value_get_int_range_max (tmp) == 30);
  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);

  /* create a hole, { int, int } */
  g_value_init (&src1, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src1, 10, 30);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 11, 29);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (G_VALUE_HOLDS_INT (tmp) == TRUE);
  fail_unless (g_value_get_int (tmp) == 10);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (G_VALUE_HOLDS_INT (tmp) == TRUE);
  fail_unless (g_value_get_int (tmp) == 30);
  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);

  /* create a hole, { int, int_range } */
  g_value_init (&src1, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src1, 10, 30);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 11, 28);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (G_VALUE_HOLDS_INT (tmp) == TRUE);
  fail_unless (g_value_get_int (tmp) == 10);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int_range_min (tmp) == 29);
  fail_unless (gst_value_get_int_range_max (tmp) == 30);
  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);

  /* create a hole, { int_range, int } */
  g_value_init (&src1, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src1, 10, 30);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 12, 29);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int_range_min (tmp) == 10);
  fail_unless (gst_value_get_int_range_max (tmp) == 11);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (G_VALUE_HOLDS_INT (tmp) == TRUE);
  fail_unless (g_value_get_int (tmp) == 30);
  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);
}

GST_END_TEST;

GST_START_TEST (test_value_subtract_double)
{
  GValue dest = { 0 };
  GValue src1 = { 0 };
  GValue src2 = { 0 };
  const GValue *tmp;
  gboolean ret;

  /*  double <-> double
   */
  g_value_init (&src1, G_TYPE_DOUBLE);
  g_value_set_double (&src1, 10.0);
  g_value_init (&src2, G_TYPE_DOUBLE);
  g_value_set_double (&src2, 20.0);
  /* 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);

  /*  double <-> double_range
   */

  /* would yield an empty set */
  g_value_init (&src1, G_TYPE_DOUBLE);
  g_value_set_double (&src1, 10.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 0.0, 20.0);
  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_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 0.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 20.0);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* border case 1, empty set */
  g_value_init (&src1, G_TYPE_DOUBLE);
  g_value_set_double (&src1, 10.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 10.0, 20.0);
  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_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 10.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 20.0);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* border case 2, empty set */
  g_value_init (&src1, G_TYPE_DOUBLE);
  g_value_set_double (&src1, 20.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 10.0, 20.0);
  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_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 10.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 20.0);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* case 3, valid set */
  g_value_init (&src1, G_TYPE_DOUBLE);
  g_value_set_double (&src1, 0.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 10.0, 20.0);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (G_VALUE_HOLDS_DOUBLE (&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_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 10.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 20.0);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /*  double_range <-> double_range
   */

  /* same range, empty set */
  g_value_init (&src1, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src1, 10.0, 20.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 10.0, 20.0);
  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_DOUBLE_RANGE);
  gst_value_set_double_range (&src1, 10.0, 20.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 30.0, 40.0);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 10.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 20.0);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 30.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 40.0);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* completely overlapping ranges */
  g_value_init (&src1, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src1, 10.0, 20.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 10.0, 30.0);
  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_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 20.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 30.0);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* partially overlapping ranges */
  g_value_init (&src1, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src1, 10.0, 20.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 15.0, 30.0);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 10.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 15.0);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 20.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 30.0);
  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_DOUBLE_RANGE);
  gst_value_set_double_range (&src1, 10.0, 30.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 15.0, 20.0);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_double_range_min (tmp) == 10.0);
  fail_unless (gst_value_get_double_range_max (tmp) == 15.0);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_double_range_min (tmp) == 20.0);
  fail_unless (gst_value_get_double_range_max (tmp) == 30.0);
  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);
}

GST_END_TEST;

/* Test arithmetic subtraction of fractions */
GST_START_TEST (test_value_subtract_fraction)
{
  GValue result = { 0 };
  GValue src1 = { 0 };
  GValue src2 = { 0 };

  /* Subtract 1/4 from 1/2 */
  g_value_init (&src1, GST_TYPE_FRACTION);
  g_value_init (&src2, GST_TYPE_FRACTION);
  g_value_init (&result, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src1, 1, 2);
  gst_value_set_fraction (&src2, 1, 4);
  fail_unless (gst_value_fraction_subtract (&result, &src1, &src2) == TRUE);
  fail_unless (gst_value_get_fraction_numerator (&result) == 1);
  fail_unless (gst_value_get_fraction_denominator (&result) == 4);

  g_value_unset (&src1);
  g_value_unset (&src2);
  g_value_unset (&result);

  /* Subtract 1/12 from 7/8 */
  g_value_init (&src1, GST_TYPE_FRACTION);
  g_value_init (&src2, GST_TYPE_FRACTION);
  g_value_init (&result, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src1, 7, 8);
  gst_value_set_fraction (&src2, 1, 12);
  fail_unless (gst_value_fraction_subtract (&result, &src1, &src2) == TRUE);
  fail_unless (gst_value_get_fraction_numerator (&result) == 19);
  fail_unless (gst_value_get_fraction_denominator (&result) == 24);

  g_value_unset (&src1);
  g_value_unset (&src2);
  g_value_unset (&result);

  /* Subtract 12/13 from 4/3 */
  g_value_init (&src1, GST_TYPE_FRACTION);
  g_value_init (&src2, GST_TYPE_FRACTION);
  g_value_init (&result, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src1, 4, 3);
  gst_value_set_fraction (&src2, 12, 13);
  fail_unless (gst_value_fraction_subtract (&result, &src1, &src2) == TRUE);
  fail_unless (gst_value_get_fraction_numerator (&result) == 16);
  fail_unless (gst_value_get_fraction_denominator (&result) == 39);

  g_value_unset (&src1);
  g_value_unset (&src2);
  g_value_unset (&result);

  /* Subtract 1/12 from 7/8 */
}

GST_END_TEST;

/* Test set subtraction operations on fraction ranges */
GST_START_TEST (test_value_subtract_fraction_range)
{
  GValue dest = { 0 };
  GValue src1 = { 0 };
  GValue src2 = { 0 };
  GValue cmp = { 0 };
  const GValue *tmp;
  gboolean ret;