*
* Note that operations on the same #GValue from multiple threads may lead to
* undefined behaviour.
- *
- * Last reviewed on 2008-03-11 (0.10.18)
*/
#ifdef HAVE_CONFIG_H
*
* Used by gst_value_intersect() to perform intersection for a specific #GValue
* type. If the intersection is non-empty, the result is
- * placed in @dest and TRUE is returned. If the intersection is
- * empty, @dest is unmodified and FALSE is returned.
+ * placed in @dest and %TRUE is returned. If the intersection is
+ * empty, @dest is unmodified and %FALSE is returned.
* Register a new implementation with gst_value_register_intersect_func().
*
* Returns: %TRUE if the values can intersect
and bounds lie on the same value */
if (n1 > 1) {
if (INT_RANGE_STEP (value1) == INT_RANGE_STEP (value2) &&
- INT_RANGE_STEP (value1) == INT_RANGE_STEP (value2) &&
- INT_RANGE_STEP (value1) == INT_RANGE_STEP (value2)) {
+ INT_RANGE_MIN (value1) == INT_RANGE_MIN (value2) &&
+ INT_RANGE_MAX (value1) == INT_RANGE_MAX (value2)) {
return GST_VALUE_EQUAL;
}
return GST_VALUE_UNORDERED;
and bounds lie on the same value */
if (n1 > 1) {
if (INT64_RANGE_STEP (value1) == INT64_RANGE_STEP (value2) &&
- INT64_RANGE_STEP (value1) == INT64_RANGE_STEP (value2) &&
- INT64_RANGE_STEP (value1) == INT64_RANGE_STEP (value2)) {
+ INT64_RANGE_MIN (value1) == INT64_RANGE_MIN (value2) &&
+ INT64_RANGE_MAX (value1) == INT64_RANGE_MAX (value2)) {
return GST_VALUE_EQUAL;
}
return GST_VALUE_UNORDERED;
gst_value_compare_double_range (const GValue * value1, const GValue * value2)
{
if (value2->data[0].v_double == value1->data[0].v_double &&
- value2->data[0].v_double == value1->data[0].v_double)
+ value2->data[1].v_double == value1->data[1].v_double)
return GST_VALUE_EQUAL;
return GST_VALUE_UNORDERED;
}
{
gboolean ret = FALSE;
gchar *end;
- gint64 mask = -1;
+ guint64 mask = ~0;
errno = 0;
*to = g_ascii_strtoull (s, &end, 0);
* 0->3, y is copied unescaped.
*
* If \xyy is found where x is an octal number but y is not, an
- * error is encountered and NULL is returned.
+ * error is encountered and %NULL is returned.
*
* the input string must be \0 terminated.
*/
gint step = gst_value_get_int_range_step (subtrahend);
gint val = g_value_get_int (minuend);
+ if (step == 0)
+ return FALSE;
+
/* subtracting a range from an int only works if the int is not in the
* range */
if (val < min || val > max || val % step) {
g_return_val_if_fail (min < max, FALSE);
+ if (step == 0)
+ return FALSE;
+
/* value is outside of the range, return range unchanged */
if (val < min || val > max || val % step) {
if (dest)
}
step = step1;
+ if (step == 0)
+ return FALSE;
+
if (max2 >= max1 && min2 <= min1) {
return FALSE;
} else if (max2 >= max1) {
gint64 step = gst_value_get_int64_range_step (subtrahend);
gint64 val = g_value_get_int64 (minuend);
+ if (step == 0)
+ return FALSE;
/* subtracting a range from an int64 only works if the int64 is not in the
* range */
if (val < min || val > max || val % step) {
g_return_val_if_fail (min < max, FALSE);
+ if (step == 0)
+ return FALSE;
+
/* value is outside of the range, return range unchanged */
if (val < min || val > max || val % step) {
if (dest)
g_assert (FALSE);
return FALSE;
}
+
+ if (step1 == 0)
+ return FALSE;
+
step = step1;
if (max2 >= max1 && min2 <= min1) {
*
* Determines if @value1 and @value2 can be compared.
*
- * Returns: TRUE if the values can be compared
+ * Returns: %TRUE if the values can be compared
*/
gboolean
gst_value_can_compare (const GValue * value1, const GValue * value2)
const gint rmin = gst_value_get_int_range_min (value);
const gint rmax = gst_value_get_int_range_max (value);
const gint rstep = gst_value_get_int_range_step (value);
+ if (rstep == 0)
+ return FALSE;
/* note: this will overflow for min 0 and max INT_MAX, but this
would only be equal to a list of INT_MAX elements, which seems
very unlikely */
const gint64 rmax = gst_value_get_int64_range_max (value);
const gint64 rstep = gst_value_get_int64_range_step (value);
GST_DEBUG ("List/range of int64s");
+ if (rstep == 0)
+ return FALSE;
if (list_size != rmax / rstep - rmin / rstep + 1)
return FALSE;
for (n = 0; n < list_size; ++n) {
*
* Determines if @value1 and @value2 can be non-trivially unioned.
* Any two values can be trivially unioned by adding both of them
- * to a GstValueList. However, certain types have the possibility
+ * to a #GstValueList. However, certain types have the possibility
* to be unioned in a simpler way. For example, an integer range
* and an integer can be unioned if the integer is a subset of the
* integer range. If there is the possibility that two values can
- * be unioned, this function returns TRUE.
+ * be unioned, this function returns %TRUE.
*
- * Returns: TRUE if there is a function allowing the two values to
+ * Returns: %TRUE if there is a function allowing the two values to
* be unioned.
*/
gboolean
*
* Creates a GValue corresponding to the union of @value1 and @value2.
*
- * Returns: TRUE if the union succeeded.
+ * Returns: %TRUE if the union succeeded.
*/
gboolean
gst_value_union (GValue * dest, const GValue * value1, const GValue * value2)
* Two values will produce a valid intersection if they have the same
* type.
*
- * Returns: TRUE if the values can intersect
+ * Returns: %TRUE if the values can intersect
*/
gboolean
gst_value_can_intersect (const GValue * value1, const GValue * value2)
/**
* gst_value_intersect:
* @dest: (out caller-allocates) (transfer full): a uninitialized #GValue that will hold the calculated
- * intersection value. May be NULL if the resulting set if not needed.
+ * intersection value. May be %NULL if the resulting set if not needed.
* @value1: a value to intersect
* @value2: another value to intersect
*
* Calculates the intersection of two values. If the values have
* a non-empty intersection, the value representing the intersection
- * is placed in @dest, unless NULL. If the intersection is non-empty,
+ * is placed in @dest, unless %NULL. If the intersection is non-empty,
* @dest is not modified.
*
- * Returns: TRUE if the intersection is non-empty
+ * Returns: %TRUE if the intersection is non-empty
*/
gboolean
gst_value_intersect (GValue * dest, const GValue * value1,
/**
* gst_value_subtract:
* @dest: (out caller-allocates): the destination value for the result if the
- * subtraction is not empty. May be NULL, in which case the resulting set
+ * subtraction is not empty. May be %NULL, in which case the resulting set
* will not be computed, which can give a fair speedup.
* @minuend: the value to subtract from
* @subtrahend: the value to subtract
*
* Checks if it's possible to subtract @subtrahend from @minuend.
*
- * Returns: TRUE if a subtraction is possible
+ * Returns: %TRUE if a subtraction is possible
*/
gboolean
gst_value_can_subtract (const GValue * minuend, const GValue * subtrahend)
*
* Free-function: g_free
*
- * Returns: (transfer full): the serialization for @value or NULL if none exists
+ * Returns: (transfer full): the serialization for @value or %NULL if none exists
*/
gchar *
gst_value_serialize (const GValue * value)
* @src: string to deserialize
*
* Tries to deserialize a string into the type specified by the given GValue.
- * If the operation succeeds, TRUE is returned, FALSE otherwise.
+ * If the operation succeeds, %TRUE is returned, %FALSE otherwise.
*
- * Returns: TRUE on success
+ * Returns: %TRUE on success
*/
gboolean
gst_value_deserialize (GValue * dest, const gchar * src)
* Fixate @src into a new value @dest.
* For ranges, the first element is taken. For lists and arrays, the
* first item is fixated and returned.
- * If @src is already fixed, this function returns FALSE.
+ * If @src is already fixed, this function returns %FALSE.
*
- * Returns: true if @dest contains a fixated version of @src.
+ * Returns: %TRUE if @dest contains a fixated version of @src.
*/
gboolean
gst_value_fixate (GValue * dest, const GValue * src)
* Multiplies the two #GValue items containing a #GST_TYPE_FRACTION and sets
* @product to the product of the two fractions.
*
- * Returns: FALSE in case of an error (like integer overflow), TRUE otherwise.
+ * Returns: %FALSE in case of an error (like integer overflow), %TRUE otherwise.
*/
gboolean
gst_value_fraction_multiply (GValue * product, const GValue * factor1,
*
* Subtracts the @subtrahend from the @minuend and sets @dest to the result.
*
- * Returns: FALSE in case of an error (like integer overflow), TRUE otherwise.
+ * Returns: %FALSE in case of an error (like integer overflow), %TRUE otherwise.
*/
gboolean
gst_value_fraction_subtract (GValue * dest,
return GST_VALUE_UNORDERED;
}
+
+/***********************
+ * GstAllocationParams *
+ ***********************/
+static gint
+gst_value_compare_allocation_params (const GValue * value1,
+ const GValue * value2)
+{
+ GstAllocationParams *v1, *v2;
+
+ v1 = value1->data[0].v_pointer;
+ v2 = value2->data[0].v_pointer;
+
+ if (v1 == NULL && v1 == v2)
+ return GST_VALUE_EQUAL;
+
+ if (v1 == NULL || v2 == NULL)
+ return GST_VALUE_UNORDERED;
+
+ if (v1->flags == v2->flags && v1->align == v2->align &&
+ v1->prefix == v2->prefix && v1->padding == v2->padding)
+ return GST_VALUE_EQUAL;
+
+ return GST_VALUE_UNORDERED;
+}
+
+
+/************
+ * GObject *
+ ************/
+
+static gint
+gst_value_compare_object (const GValue * value1, const GValue * value2)
+{
+ gpointer v1, v2;
+
+ v1 = value1->data[0].v_pointer;
+ v2 = value2->data[0].v_pointer;
+
+ if (v1 == v2)
+ return GST_VALUE_EQUAL;
+
+ return GST_VALUE_UNORDERED;
+}
+
static void
gst_value_transform_object_string (const GValue * src_value,
GValue * dest_value)
gst_value_register (&gst_value);
}
+ {
+ static GstValueTable gst_value = {
+ 0,
+ gst_value_compare_allocation_params,
+ NULL,
+ NULL,
+ };
+
+ gst_value.type = gst_allocation_params_get_type ();
+ gst_value_register (&gst_value);
+ }
+
+ {
+ static GstValueTable gst_value = {
+ 0,
+ gst_value_compare_object,
+ NULL,
+ NULL,
+ };
+
+ gst_value.type = G_TYPE_OBJECT;
+ gst_value_register (&gst_value);
+ }
+
REGISTER_SERIALIZATION (G_TYPE_DOUBLE, double);
REGISTER_SERIALIZATION (G_TYPE_FLOAT, float);
projects / platform / upstream / gstreamer.git / blobdiff