/usr/include/d/gtkd-3/gstreamer/ValueGst.d is in libgstreamerd-3-dev 3.7.5-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* This file is part of gtkD.
*
* gtkD is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version, with
* some exceptions, please read the COPYING file.
*
* gtkD is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with gtkD; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
*/
// generated automatically - do not change
// find conversion definition on APILookup.txt
// implement new conversion functionalities on the wrap.utils pakage
module gstreamer.ValueGst;
private import glib.MemorySlice;
private import glib.Str;
private import gobject.ObjectG;
private import gobject.Value;
private import gstreamer.Caps;
private import gstreamer.CapsFeatures;
private import gstreamer.Structure;
private import gstreamer.c.functions;
public import gstreamer.c.types;
public import gstreamerc.gstreamertypes;
/** */
public struct ValueGst
{
/**
* Determines if @value1 and @value2 can be compared.
*
* Params:
* value1 = a value to compare
* value2 = another value to compare
*
* Returns: %TRUE if the values can be compared
*/
public static bool canCompare(Value value1, Value value2)
{
return gst_value_can_compare((value1 is null) ? null : value1.getValueStruct(), (value2 is null) ? null : value2.getValueStruct()) != 0;
}
/**
* Determines if intersecting two values will produce a valid result.
* Two values will produce a valid intersection if they have the same
* type.
*
* Params:
* value1 = a value to intersect
* value2 = another value to intersect
*
* Returns: %TRUE if the values can intersect
*/
public static bool canIntersect(Value value1, Value value2)
{
return gst_value_can_intersect((value1 is null) ? null : value1.getValueStruct(), (value2 is null) ? null : value2.getValueStruct()) != 0;
}
/**
* Checks if it's possible to subtract @subtrahend from @minuend.
*
* Params:
* minuend = the value to subtract from
* subtrahend = the value to subtract
*
* Returns: %TRUE if a subtraction is possible
*/
public static bool canSubtract(Value minuend, Value subtrahend)
{
return gst_value_can_subtract((minuend is null) ? null : minuend.getValueStruct(), (subtrahend is null) ? null : subtrahend.getValueStruct()) != 0;
}
/**
* 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 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.
*
* Params:
* value1 = a value to union
* value2 = another value to union
*
* Returns: %TRUE if there is a function allowing the two values to
* be unioned.
*/
public static bool canUnion(Value value1, Value value2)
{
return gst_value_can_union((value1 is null) ? null : value1.getValueStruct(), (value2 is null) ? null : value2.getValueStruct()) != 0;
}
/**
* Compares @value1 and @value2. If @value1 and @value2 cannot be
* compared, the function returns GST_VALUE_UNORDERED. Otherwise,
* if @value1 is greater than @value2, GST_VALUE_GREATER_THAN is returned.
* If @value1 is less than @value2, GST_VALUE_LESS_THAN is returned.
* If the values are equal, GST_VALUE_EQUAL is returned.
*
* Params:
* value1 = a value to compare
* value2 = another value to compare
*
* Returns: comparison result
*/
public static int compare(Value value1, Value value2)
{
return gst_value_compare((value1 is null) ? null : value1.getValueStruct(), (value2 is null) ? null : value2.getValueStruct());
}
/**
* Tries to deserialize a string into the type specified by the given GValue.
* If the operation succeeds, %TRUE is returned, %FALSE otherwise.
*
* Params:
* dest = #GValue to fill with contents of
* deserialization
* src = string to deserialize
*
* Returns: %TRUE on success
*/
public static bool deserialize(out Value dest, string src)
{
GValue* outdest = sliceNew!GValue();
auto p = gst_value_deserialize(outdest, Str.toStringz(src)) != 0;
dest = ObjectG.getDObject!(Value)(outdest, true);
return p;
}
/**
* 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.
*
* Params:
* dest = the #GValue destination
* src = the #GValue to fixate
*
* Returns: %TRUE if @dest contains a fixated version of @src.
*/
public static bool fixate(Value dest, Value src)
{
return gst_value_fixate((dest is null) ? null : dest.getValueStruct(), (src is null) ? null : src.getValueStruct()) != 0;
}
/**
* Multiplies the two #GValue items containing a #GST_TYPE_FRACTION and sets
* @product to the product of the two fractions.
*
* Params:
* product = a GValue initialized to #GST_TYPE_FRACTION
* factor1 = a GValue initialized to #GST_TYPE_FRACTION
* factor2 = a GValue initialized to #GST_TYPE_FRACTION
*
* Returns: %FALSE in case of an error (like integer overflow), %TRUE otherwise.
*/
public static bool fractionMultiply(Value product, Value factor1, Value factor2)
{
return gst_value_fraction_multiply((product is null) ? null : product.getValueStruct(), (factor1 is null) ? null : factor1.getValueStruct(), (factor2 is null) ? null : factor2.getValueStruct()) != 0;
}
/**
* Subtracts the @subtrahend from the @minuend and sets @dest to the result.
*
* Params:
* dest = a GValue initialized to #GST_TYPE_FRACTION
* minuend = a GValue initialized to #GST_TYPE_FRACTION
* subtrahend = a GValue initialized to #GST_TYPE_FRACTION
*
* Returns: %FALSE in case of an error (like integer overflow), %TRUE otherwise.
*/
public static bool fractionSubtract(Value dest, Value minuend, Value subtrahend)
{
return gst_value_fraction_subtract((dest is null) ? null : dest.getValueStruct(), (minuend is null) ? null : minuend.getValueStruct(), (subtrahend is null) ? null : subtrahend.getValueStruct()) != 0;
}
/**
* Gets the bitmask specified by @value.
*
* Params:
* value = a GValue initialized to #GST_TYPE_BITMASK
*
* Returns: the bitmask.
*/
public static ulong getBitmask(Value value)
{
return gst_value_get_bitmask((value is null) ? null : value.getValueStruct());
}
/**
* Gets the contents of @value. The reference count of the returned
* #GstCaps will not be modified, therefore the caller must take one
* before getting rid of the @value.
*
* Params:
* value = a GValue initialized to GST_TYPE_CAPS
*
* Returns: the contents of @value
*/
public static Caps getCaps(Value value)
{
auto p = gst_value_get_caps((value is null) ? null : value.getValueStruct());
if(p is null)
{
return null;
}
return ObjectG.getDObject!(Caps)(cast(GstCaps*) p);
}
/**
* Gets the contents of @value.
*
* Params:
* value = a GValue initialized to GST_TYPE_CAPS_FEATURES
*
* Returns: the contents of @value
*/
public static CapsFeatures getCapsFeatures(Value value)
{
auto p = gst_value_get_caps_features((value is null) ? null : value.getValueStruct());
if(p is null)
{
return null;
}
return ObjectG.getDObject!(CapsFeatures)(cast(GstCapsFeatures*) p);
}
/**
* Gets the maximum of the range specified by @value.
*
* Params:
* value = a GValue initialized to GST_TYPE_DOUBLE_RANGE
*
* Returns: the maximum of the range
*/
public static double getDoubleRangeMax(Value value)
{
return gst_value_get_double_range_max((value is null) ? null : value.getValueStruct());
}
/**
* Gets the minimum of the range specified by @value.
*
* Params:
* value = a GValue initialized to GST_TYPE_DOUBLE_RANGE
*
* Returns: the minimum of the range
*/
public static double getDoubleRangeMin(Value value)
{
return gst_value_get_double_range_min((value is null) ? null : value.getValueStruct());
}
/**
* Retrieve the flags field of a GstFlagSet @value.
*
* Params:
* value = a GValue initialized to #GST_TYPE_FLAG_SET
*
* Returns: the flags field of the flagset instance.
*
* Since: 1.6
*/
public static uint getFlagsetFlags(Value value)
{
return gst_value_get_flagset_flags((value is null) ? null : value.getValueStruct());
}
/**
* Retrieve the mask field of a GstFlagSet @value.
*
* Params:
* value = a GValue initialized to #GST_TYPE_FLAG_SET
*
* Returns: the mask field of the flagset instance.
*
* Since: 1.6
*/
public static uint getFlagsetMask(Value value)
{
return gst_value_get_flagset_mask((value is null) ? null : value.getValueStruct());
}
/**
* Sets @value to the flags and mask values provided in @flags and @mask.
* The @flags value indicates the values of flags, the @mask represents
* which bits in the flag value have been set, and which are "don't care"
*
* Params:
* value = a GValue initialized to %GST_TYPE_FLAG_SET
* flags = The value of the flags set or unset
* mask = The mask indicate which flags bits must match for comparisons
*
* Since: 1.6
*/
public static void setFlagset(Value value, uint flags, uint mask)
{
gst_value_set_flagset((value is null) ? null : value.getValueStruct(), flags, mask);
}
/**
* Gets the denominator of the fraction specified by @value.
*
* Params:
* value = a GValue initialized to #GST_TYPE_FRACTION
*
* Returns: the denominator of the fraction.
*/
public static int getFractionDenominator(Value value)
{
return gst_value_get_fraction_denominator((value is null) ? null : value.getValueStruct());
}
/**
* Gets the numerator of the fraction specified by @value.
*
* Params:
* value = a GValue initialized to #GST_TYPE_FRACTION
*
* Returns: the numerator of the fraction.
*/
public static int getFractionNumerator(Value value)
{
return gst_value_get_fraction_numerator((value is null) ? null : value.getValueStruct());
}
/**
* Gets the maximum of the range specified by @value.
*
* Params:
* value = a GValue initialized to GST_TYPE_FRACTION_RANGE
*
* Returns: the maximum of the range
*/
public static Value getFractionRangeMax(Value value)
{
auto p = gst_value_get_fraction_range_max((value is null) ? null : value.getValueStruct());
if(p is null)
{
return null;
}
return ObjectG.getDObject!(Value)(cast(GValue*) p);
}
/**
* Gets the minimum of the range specified by @value.
*
* Params:
* value = a GValue initialized to GST_TYPE_FRACTION_RANGE
*
* Returns: the minimum of the range
*/
public static Value getFractionRangeMin(Value value)
{
auto p = gst_value_get_fraction_range_min((value is null) ? null : value.getValueStruct());
if(p is null)
{
return null;
}
return ObjectG.getDObject!(Value)(cast(GValue*) p);
}
/**
* Gets the maximum of the range specified by @value.
*
* Params:
* value = a GValue initialized to GST_TYPE_INT64_RANGE
*
* Returns: the maximum of the range
*/
public static long getInt64RangeMax(Value value)
{
return gst_value_get_int64_range_max((value is null) ? null : value.getValueStruct());
}
/**
* Gets the minimum of the range specified by @value.
*
* Params:
* value = a GValue initialized to GST_TYPE_INT64_RANGE
*
* Returns: the minimum of the range
*/
public static long getInt64RangeMin(Value value)
{
return gst_value_get_int64_range_min((value is null) ? null : value.getValueStruct());
}
/**
* Gets the step of the range specified by @value.
*
* Params:
* value = a GValue initialized to GST_TYPE_INT64_RANGE
*
* Returns: the step of the range
*/
public static long getInt64RangeStep(Value value)
{
return gst_value_get_int64_range_step((value is null) ? null : value.getValueStruct());
}
/**
* Gets the maximum of the range specified by @value.
*
* Params:
* value = a GValue initialized to GST_TYPE_INT_RANGE
*
* Returns: the maximum of the range
*/
public static int getIntRangeMax(Value value)
{
return gst_value_get_int_range_max((value is null) ? null : value.getValueStruct());
}
/**
* Gets the minimum of the range specified by @value.
*
* Params:
* value = a GValue initialized to GST_TYPE_INT_RANGE
*
* Returns: the minimum of the range
*/
public static int getIntRangeMin(Value value)
{
return gst_value_get_int_range_min((value is null) ? null : value.getValueStruct());
}
/**
* Gets the step of the range specified by @value.
*
* Params:
* value = a GValue initialized to GST_TYPE_INT_RANGE
*
* Returns: the step of the range
*/
public static int getIntRangeStep(Value value)
{
return gst_value_get_int_range_step((value is null) ? null : value.getValueStruct());
}
/**
* Gets the contents of @value.
*
* Params:
* value = a GValue initialized to GST_TYPE_STRUCTURE
*
* Returns: the contents of @value
*/
public static Structure getStructure(Value value)
{
auto p = gst_value_get_structure((value is null) ? null : value.getValueStruct());
if(p is null)
{
return null;
}
return ObjectG.getDObject!(Structure)(cast(GstStructure*) p);
}
/**
* Initialises the target value to be of the same type as source and then copies
* the contents from source to target.
*
* Params:
* dest = the target value
* src = the source value
*/
public static void initAndCopy(out Value dest, Value src)
{
GValue* outdest = sliceNew!GValue();
gst_value_init_and_copy(outdest, (src is null) ? null : src.getValueStruct());
dest = ObjectG.getDObject!(Value)(outdest, true);
}
/**
* 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,
* @dest is not modified.
*
* Params:
* dest = a uninitialized #GValue that will hold the calculated
* intersection value. May be %NULL if the resulting set if not
* needed.
* value1 = a value to intersect
* value2 = another value to intersect
*
* Returns: %TRUE if the intersection is non-empty
*/
public static bool intersect(out Value dest, Value value1, Value value2)
{
GValue* outdest = sliceNew!GValue();
auto p = gst_value_intersect(outdest, (value1 is null) ? null : value1.getValueStruct(), (value2 is null) ? null : value2.getValueStruct()) != 0;
dest = ObjectG.getDObject!(Value)(outdest, true);
return p;
}
/**
* Tests if the given GValue, if available in a GstStructure (or any other
* container) contains a "fixed" (which means: one value) or an "unfixed"
* (which means: multiple possible values, such as data lists or data
* ranges) value.
*
* Params:
* value = the #GValue to check
*
* Returns: true if the value is "fixed".
*/
public static bool isFixed(Value value)
{
return gst_value_is_fixed((value is null) ? null : value.getValueStruct()) != 0;
}
/**
* Check that @value1 is a subset of @value2.
*
* Params:
* value1 = a #GValue
* value2 = a #GValue
*
* Returns: %TRUE is @value1 is a subset of @value2
*/
public static bool isSubset(Value value1, Value value2)
{
return gst_value_is_subset((value1 is null) ? null : value1.getValueStruct(), (value2 is null) ? null : value2.getValueStruct()) != 0;
}
/**
* Registers functions to perform calculations on #GValue items of a given
* type. Each type can only be added once.
*
* Params:
* table = structure containing functions to register
*/
public static void register(GstValueTable* table)
{
gst_value_register(table);
}
/**
* tries to transform the given @value into a string representation that allows
* getting back this string later on using gst_value_deserialize().
*
* Free-function: g_free
*
* Params:
* value = a #GValue to serialize
*
* Returns: the serialization for @value
* or %NULL if none exists
*/
public static string serialize(Value value)
{
auto retStr = gst_value_serialize((value is null) ? null : value.getValueStruct());
scope(exit) Str.freeString(retStr);
return Str.toString(retStr);
}
/**
* Sets @value to the bitmask specified by @bitmask.
*
* Params:
* value = a GValue initialized to #GST_TYPE_BITMASK
* bitmask = the bitmask
*/
public static void setBitmask(Value value, ulong bitmask)
{
gst_value_set_bitmask((value is null) ? null : value.getValueStruct(), bitmask);
}
/**
* Sets the contents of @value to @caps. A reference to the
* provided @caps will be taken by the @value.
*
* Params:
* value = a GValue initialized to GST_TYPE_CAPS
* caps = the caps to set the value to
*/
public static void setCaps(Value value, Caps caps)
{
gst_value_set_caps((value is null) ? null : value.getValueStruct(), (caps is null) ? null : caps.getCapsStruct());
}
/**
* Sets the contents of @value to @features.
*
* Params:
* value = a GValue initialized to GST_TYPE_CAPS_FEATURES
* features = the features to set the value to
*/
public static void setCapsFeatures(Value value, CapsFeatures features)
{
gst_value_set_caps_features((value is null) ? null : value.getValueStruct(), (features is null) ? null : features.getCapsFeaturesStruct());
}
/**
* Sets @value to the range specified by @start and @end.
*
* Params:
* value = a GValue initialized to GST_TYPE_DOUBLE_RANGE
* start = the start of the range
* end = the end of the range
*/
public static void setDoubleRange(Value value, double start, double end)
{
gst_value_set_double_range((value is null) ? null : value.getValueStruct(), start, end);
}
/**
* Sets @value to the fraction specified by @numerator over @denominator.
* The fraction gets reduced to the smallest numerator and denominator,
* and if necessary the sign is moved to the numerator.
*
* Params:
* value = a GValue initialized to #GST_TYPE_FRACTION
* numerator = the numerator of the fraction
* denominator = the denominator of the fraction
*/
public static void setFraction(Value value, int numerator, int denominator)
{
gst_value_set_fraction((value is null) ? null : value.getValueStruct(), numerator, denominator);
}
/**
* Sets @value to the range specified by @start and @end.
*
* Params:
* value = a GValue initialized to GST_TYPE_FRACTION_RANGE
* start = the start of the range (a GST_TYPE_FRACTION GValue)
* end = the end of the range (a GST_TYPE_FRACTION GValue)
*/
public static void setFractionRange(Value value, Value start, Value end)
{
gst_value_set_fraction_range((value is null) ? null : value.getValueStruct(), (start is null) ? null : start.getValueStruct(), (end is null) ? null : end.getValueStruct());
}
/**
* Sets @value to the range specified by @numerator_start/@denominator_start
* and @numerator_end/@denominator_end.
*
* Params:
* value = a GValue initialized to GST_TYPE_FRACTION_RANGE
* numeratorStart = the numerator start of the range
* denominatorStart = the denominator start of the range
* numeratorEnd = the numerator end of the range
* denominatorEnd = the denominator end of the range
*/
public static void setFractionRangeFull(Value value, int numeratorStart, int denominatorStart, int numeratorEnd, int denominatorEnd)
{
gst_value_set_fraction_range_full((value is null) ? null : value.getValueStruct(), numeratorStart, denominatorStart, numeratorEnd, denominatorEnd);
}
/**
* Sets @value to the range specified by @start and @end.
*
* Params:
* value = a GValue initialized to GST_TYPE_INT64_RANGE
* start = the start of the range
* end = the end of the range
*/
public static void setInt64Range(Value value, long start, long end)
{
gst_value_set_int64_range((value is null) ? null : value.getValueStruct(), start, end);
}
/**
* Sets @value to the range specified by @start, @end and @step.
*
* Params:
* value = a GValue initialized to GST_TYPE_INT64_RANGE
* start = the start of the range
* end = the end of the range
* step = the step of the range
*/
public static void setInt64RangeStep(Value value, long start, long end, long step)
{
gst_value_set_int64_range_step((value is null) ? null : value.getValueStruct(), start, end, step);
}
/**
* Sets @value to the range specified by @start and @end.
*
* Params:
* value = a GValue initialized to GST_TYPE_INT_RANGE
* start = the start of the range
* end = the end of the range
*/
public static void setIntRange(Value value, int start, int end)
{
gst_value_set_int_range((value is null) ? null : value.getValueStruct(), start, end);
}
/**
* Sets @value to the range specified by @start, @end and @step.
*
* Params:
* value = a GValue initialized to GST_TYPE_INT_RANGE
* start = the start of the range
* end = the end of the range
* step = the step of the range
*/
public static void setIntRangeStep(Value value, int start, int end, int step)
{
gst_value_set_int_range_step((value is null) ? null : value.getValueStruct(), start, end, step);
}
/**
* Sets the contents of @value to @structure.
*
* Params:
* value = a GValue initialized to GST_TYPE_STRUCTURE
* structure = the structure to set the value to
*/
public static void setStructure(Value value, Structure structure)
{
gst_value_set_structure((value is null) ? null : value.getValueStruct(), (structure is null) ? null : structure.getStructureStruct());
}
/**
* Subtracts @subtrahend from @minuend and stores the result in @dest.
* Note that this means subtraction as in sets, not as in mathematics.
*
* Params:
* dest = the destination value
* for the result if the 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
*
* Returns: %TRUE if the subtraction is not empty
*/
public static bool subtract(out Value dest, Value minuend, Value subtrahend)
{
GValue* outdest = sliceNew!GValue();
auto p = gst_value_subtract(outdest, (minuend is null) ? null : minuend.getValueStruct(), (subtrahend is null) ? null : subtrahend.getValueStruct()) != 0;
dest = ObjectG.getDObject!(Value)(outdest, true);
return p;
}
/**
* Creates a GValue corresponding to the union of @value1 and @value2.
*
* Params:
* dest = the destination value
* value1 = a value to union
* value2 = another value to union
*
* Returns: %TRUE if the union succeeded.
*/
public static bool unio(out Value dest, Value value1, Value value2)
{
GValue* outdest = sliceNew!GValue();
auto p = gst_value_union(outdest, (value1 is null) ? null : value1.getValueStruct(), (value2 is null) ? null : value2.getValueStruct()) != 0;
dest = ObjectG.getDObject!(Value)(outdest, true);
return p;
}
}
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