GstValue

GValue implementations specific to GStreamer.

Note that operations on the same GValue from multiple threads may lead to undefined behaviour.

GstValueTable

VTable for the GValue type.

Members

type (GType) –

a GType


Gst.ValueTable

VTable for the GObject.Value type.

Members

type (GObject.Type) –

a GObject.Type


Gst.ValueTable

VTable for the GObject.Value type.

Members

type (GObject.Type) –

a GObject.Type


Functions

gst_value_can_compare

gboolean
gst_value_can_compare (const GValue * value1,
                       const GValue * value2)

Determines if value1 and value2 can be compared.

Parameters:

value1

a value to compare

value2

another value to compare

Returns

TRUE if the values can be compared


Gst.value_can_compare

def Gst.value_can_compare (value1, value2):
    #python wrapper for 'gst_value_can_compare'

Determines if value1 and value2 can be compared.

Parameters:

value1 ( GObject.Value ) –

a value to compare

value2 ( GObject.Value ) –

another value to compare

Returns ( bool ) –

True if the values can be compared


Gst.prototype.value_can_compare

function Gst.prototype.value_can_compare(value1: GObject.Value, value2: GObject.Value): {
    // javascript wrapper for 'gst_value_can_compare'
}

Determines if value1 and value2 can be compared.

Parameters:

value1 ( GObject.Value ) –

a value to compare

value2 ( GObject.Value ) –

another value to compare

Returns ( Number ) –

true if the values can be compared


gst_value_can_intersect

gboolean
gst_value_can_intersect (const GValue * value1,
                         const GValue * value2)

Determines if intersecting two values will produce a valid result. Two values will produce a valid intersection if they have the same type.

Parameters:

value1

a value to intersect

value2

another value to intersect

Returns

TRUE if the values can intersect


Gst.value_can_intersect

def Gst.value_can_intersect (value1, value2):
    #python wrapper for 'gst_value_can_intersect'

Determines if intersecting two values will produce a valid result. Two values will produce a valid intersection if they have the same type.

Parameters:

value1 ( GObject.Value ) –

a value to intersect

value2 ( GObject.Value ) –

another value to intersect

Returns ( bool ) –

True if the values can intersect


Gst.prototype.value_can_intersect

function Gst.prototype.value_can_intersect(value1: GObject.Value, value2: GObject.Value): {
    // javascript wrapper for 'gst_value_can_intersect'
}

Determines if intersecting two values will produce a valid result. Two values will produce a valid intersection if they have the same type.

Parameters:

value1 ( GObject.Value ) –

a value to intersect

value2 ( GObject.Value ) –

another value to intersect

Returns ( Number ) –

true if the values can intersect


gst_value_can_subtract

gboolean
gst_value_can_subtract (const GValue * minuend,
                        const GValue * subtrahend)

Checks if it's possible to subtract subtrahend from minuend.

Parameters:

minuend

the value to subtract from

subtrahend

the value to subtract

Returns

TRUE if a subtraction is possible


Gst.value_can_subtract

def Gst.value_can_subtract (minuend, subtrahend):
    #python wrapper for 'gst_value_can_subtract'

Checks if it's possible to subtract subtrahend from minuend.

Parameters:

minuend ( GObject.Value ) –

the value to subtract from

subtrahend ( GObject.Value ) –

the value to subtract

Returns ( bool ) –

True if a subtraction is possible


Gst.prototype.value_can_subtract

function Gst.prototype.value_can_subtract(minuend: GObject.Value, subtrahend: GObject.Value): {
    // javascript wrapper for 'gst_value_can_subtract'
}

Checks if it's possible to subtract subtrahend from minuend.

Parameters:

minuend ( GObject.Value ) –

the value to subtract from

subtrahend ( GObject.Value ) –

the value to subtract

Returns ( Number ) –

true if a subtraction is possible


gst_value_can_union

gboolean
gst_value_can_union (const GValue * value1,
                     const GValue * value2)

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.

Parameters:

value1

a value to union

value2

another value to union

Returns

TRUE if there is a function allowing the two values to be unioned.


Gst.value_can_union

def Gst.value_can_union (value1, value2):
    #python wrapper for 'gst_value_can_union'

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.

Parameters:

value1 ( GObject.Value ) –

a value to union

value2 ( GObject.Value ) –

another value to union

Returns ( bool ) –

True if there is a function allowing the two values to be unioned.


Gst.prototype.value_can_union

function Gst.prototype.value_can_union(value1: GObject.Value, value2: GObject.Value): {
    // javascript wrapper for 'gst_value_can_union'
}

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.

Parameters:

value1 ( GObject.Value ) –

a value to union

value2 ( GObject.Value ) –

another value to union

Returns ( Number ) –

true if there is a function allowing the two values to be unioned.


gst_value_compare

gint
gst_value_compare (const GValue * value1,
                   const GValue * value2)

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.

Parameters:

value1

a value to compare

value2

another value to compare

Returns

comparison result


Gst.value_compare

def Gst.value_compare (value1, value2):
    #python wrapper for 'gst_value_compare'

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.

Parameters:

value1 ( GObject.Value ) –

a value to compare

value2 ( GObject.Value ) –

another value to compare

Returns ( int ) –

comparison result


Gst.prototype.value_compare

function Gst.prototype.value_compare(value1: GObject.Value, value2: GObject.Value): {
    // javascript wrapper for 'gst_value_compare'
}

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.

Parameters:

value1 ( GObject.Value ) –

a value to compare

value2 ( GObject.Value ) –

another value to compare

Returns ( Number ) –

comparison result


gst_value_deserialize

gboolean
gst_value_deserialize (GValue * dest,
                       const gchar * src)

Tries to deserialize a string into the type specified by the given GValue. If the operation succeeds, TRUE is returned, FALSE otherwise.

Parameters:

dest ( [out] ) –

GValue to fill with contents of deserialization

src

string to deserialize

Returns

TRUE on success


Gst.value_deserialize

def Gst.value_deserialize (src):
    #python wrapper for 'gst_value_deserialize'

Tries to deserialize a string into the type specified by the given GValue. If the operation succeeds, True is returned, False otherwise.

Parameters:

src ( str ) –

string to deserialize

Returns a tuple made of:

( bool ) –

True on success

dest ( GObject.Value ) –

True on success


Gst.prototype.value_deserialize

function Gst.prototype.value_deserialize(src: String): {
    // javascript wrapper for 'gst_value_deserialize'
}

Tries to deserialize a string into the type specified by the given GValue. If the operation succeeds, true is returned, false otherwise.

Parameters:

src ( String ) –

string to deserialize

Returns a tuple made of:

( Number ) –

true on success

dest ( GObject.Value ) –

true on success


gst_value_fixate

gboolean
gst_value_fixate (GValue * dest,
                  const GValue * 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.

Parameters:

dest

the GValue destination

src

the GValue to fixate

Returns

TRUE if dest contains a fixated version of src.


Gst.value_fixate

def Gst.value_fixate (dest, src):
    #python wrapper for 'gst_value_fixate'

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.

Parameters:

dest ( GObject.Value ) –

the GObject.Value destination

src ( GObject.Value ) –

the GObject.Value to fixate

Returns ( bool ) –

True if dest contains a fixated version of src.


Gst.prototype.value_fixate

function Gst.prototype.value_fixate(dest: GObject.Value, src: GObject.Value): {
    // javascript wrapper for 'gst_value_fixate'
}

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.

Parameters:

dest ( GObject.Value ) –

the GObject.Value destination

src ( GObject.Value ) –

the GObject.Value to fixate

Returns ( Number ) –

true if dest contains a fixated version of src.


gst_value_fraction_multiply

gboolean
gst_value_fraction_multiply (GValue * product,
                             const GValue * factor1,
                             const GValue * factor2)

Multiplies the two GValue items containing a GST_TYPE_FRACTION and sets product to the product of the two fractions.

Parameters:

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.


Gst.value_fraction_multiply

def Gst.value_fraction_multiply (product, factor1, factor2):
    #python wrapper for 'gst_value_fraction_multiply'

Multiplies the two GObject.Value items containing a GST_TYPE_FRACTION (not introspectable) and sets product to the product of the two fractions.

Parameters:

product ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

factor1 ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

factor2 ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

Returns ( bool ) –

False in case of an error (like integer overflow), True otherwise.


Gst.prototype.value_fraction_multiply

function Gst.prototype.value_fraction_multiply(product: GObject.Value, factor1: GObject.Value, factor2: GObject.Value): {
    // javascript wrapper for 'gst_value_fraction_multiply'
}

Multiplies the two GObject.Value items containing a GST_TYPE_FRACTION (not introspectable) and sets product to the product of the two fractions.

Parameters:

product ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

factor1 ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

factor2 ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

Returns ( Number ) –

false in case of an error (like integer overflow), true otherwise.


gst_value_fraction_subtract

gboolean
gst_value_fraction_subtract (GValue * dest,
                             const GValue * minuend,
                             const GValue * subtrahend)

Subtracts the subtrahend from the minuend and sets dest to the result.

Parameters:

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.


Gst.value_fraction_subtract

def Gst.value_fraction_subtract (dest, minuend, subtrahend):
    #python wrapper for 'gst_value_fraction_subtract'

Subtracts the subtrahend from the minuend and sets dest to the result.

Parameters:

dest ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

minuend ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

subtrahend ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

Returns ( bool ) –

False in case of an error (like integer overflow), True otherwise.


Gst.prototype.value_fraction_subtract

function Gst.prototype.value_fraction_subtract(dest: GObject.Value, minuend: GObject.Value, subtrahend: GObject.Value): {
    // javascript wrapper for 'gst_value_fraction_subtract'
}

Subtracts the subtrahend from the minuend and sets dest to the result.

Parameters:

dest ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

minuend ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

subtrahend ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

Returns ( Number ) –

false in case of an error (like integer overflow), true otherwise.


gst_value_get_bitmask

guint64
gst_value_get_bitmask (const GValue * value)

Gets the bitmask specified by value.

Parameters:

value

a GValue initialized to GST_TYPE_BITMASK

Returns

the bitmask.


Gst.value_get_bitmask

def Gst.value_get_bitmask (value):
    #python wrapper for 'gst_value_get_bitmask'

Gets the bitmask specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_BITMASK (not introspectable)

Returns ( int ) –

the bitmask.


Gst.prototype.value_get_bitmask

function Gst.prototype.value_get_bitmask(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_bitmask'
}

Gets the bitmask specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_BITMASK (not introspectable)

Returns ( Number ) –

the bitmask.


gst_value_get_caps

const GstCaps *
gst_value_get_caps (const GValue * value)

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.

Parameters:

value

a GValue initialized to GST_TYPE_CAPS

Returns ( [transfer: none] ) –

the contents of value


Gst.value_get_caps

def Gst.value_get_caps (value):
    #python wrapper for 'gst_value_get_caps'

Gets the contents of value. The reference count of the returned Gst.Caps will not be modified, therefore the caller must take one before getting rid of the value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_CAPS

Returns ( Gst.Caps ) –

the contents of value


Gst.prototype.value_get_caps

function Gst.prototype.value_get_caps(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_caps'
}

Gets the contents of value. The reference count of the returned Gst.Caps will not be modified, therefore the caller must take one before getting rid of the value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_CAPS

Returns ( Gst.Caps ) –

the contents of value


gst_value_get_caps_features

const GstCapsFeatures *
gst_value_get_caps_features (const GValue * value)

Gets the contents of value.

Parameters:

value

a GValue initialized to GST_TYPE_CAPS_FEATURES

Returns ( [transfer: none] ) –

the contents of value


Gst.value_get_caps_features

def Gst.value_get_caps_features (value):
    #python wrapper for 'gst_value_get_caps_features'

Gets the contents of value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_CAPS_FEATURES

Returns ( Gst.CapsFeatures ) –

the contents of value


Gst.prototype.value_get_caps_features

function Gst.prototype.value_get_caps_features(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_caps_features'
}

Gets the contents of value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_CAPS_FEATURES

Returns ( Gst.CapsFeatures ) –

the contents of value


gst_value_get_double_range_max

gdouble
gst_value_get_double_range_max (const GValue * value)

Gets the maximum of the range specified by value.

Parameters:

value

a GValue initialized to GST_TYPE_DOUBLE_RANGE

Returns

the maximum of the range


Gst.value_get_double_range_max

def Gst.value_get_double_range_max (value):
    #python wrapper for 'gst_value_get_double_range_max'

Gets the maximum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_DOUBLE_RANGE

Returns ( float ) –

the maximum of the range


Gst.prototype.value_get_double_range_max

function Gst.prototype.value_get_double_range_max(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_double_range_max'
}

Gets the maximum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_DOUBLE_RANGE

Returns ( Number ) –

the maximum of the range


gst_value_get_double_range_min

gdouble
gst_value_get_double_range_min (const GValue * value)

Gets the minimum of the range specified by value.

Parameters:

value

a GValue initialized to GST_TYPE_DOUBLE_RANGE

Returns

the minimum of the range


Gst.value_get_double_range_min

def Gst.value_get_double_range_min (value):
    #python wrapper for 'gst_value_get_double_range_min'

Gets the minimum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_DOUBLE_RANGE

Returns ( float ) –

the minimum of the range


Gst.prototype.value_get_double_range_min

function Gst.prototype.value_get_double_range_min(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_double_range_min'
}

Gets the minimum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_DOUBLE_RANGE

Returns ( Number ) –

the minimum of the range


gst_value_get_flagset_flags

guint
gst_value_get_flagset_flags (const GValue * value)

Retrieve the flags field of a GstFlagSet value.

Parameters:

value

a GValue initialized to GST_TYPE_FLAG_SET

Returns

the flags field of the flagset instance.

Since : 1.6


Gst.value_get_flagset_flags

def Gst.value_get_flagset_flags (value):
    #python wrapper for 'gst_value_get_flagset_flags'

Retrieve the flags field of a GstFlagSet value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FLAG_SET (not introspectable)

Returns ( int ) –

the flags field of the flagset instance.

Since : 1.6


Gst.prototype.value_get_flagset_flags

function Gst.prototype.value_get_flagset_flags(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_flagset_flags'
}

Retrieve the flags field of a GstFlagSet value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FLAG_SET (not introspectable)

Returns ( Number ) –

the flags field of the flagset instance.

Since : 1.6


gst_value_get_flagset_mask

guint
gst_value_get_flagset_mask (const GValue * value)

Retrieve the mask field of a GstFlagSet value.

Parameters:

value

a GValue initialized to GST_TYPE_FLAG_SET

Returns

the mask field of the flagset instance.

Since : 1.6


Gst.value_get_flagset_mask

def Gst.value_get_flagset_mask (value):
    #python wrapper for 'gst_value_get_flagset_mask'

Retrieve the mask field of a GstFlagSet value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FLAG_SET (not introspectable)

Returns ( int ) –

the mask field of the flagset instance.

Since : 1.6


Gst.prototype.value_get_flagset_mask

function Gst.prototype.value_get_flagset_mask(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_flagset_mask'
}

Retrieve the mask field of a GstFlagSet value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FLAG_SET (not introspectable)

Returns ( Number ) –

the mask field of the flagset instance.

Since : 1.6


gst_value_get_fraction_denominator

gint
gst_value_get_fraction_denominator (const GValue * value)

Gets the denominator of the fraction specified by value.

Parameters:

value

a GValue initialized to GST_TYPE_FRACTION

Returns

the denominator of the fraction.


Gst.value_get_fraction_denominator

def Gst.value_get_fraction_denominator (value):
    #python wrapper for 'gst_value_get_fraction_denominator'

Gets the denominator of the fraction specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

Returns ( int ) –

the denominator of the fraction.


Gst.prototype.value_get_fraction_denominator

function Gst.prototype.value_get_fraction_denominator(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_fraction_denominator'
}

Gets the denominator of the fraction specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

Returns ( Number ) –

the denominator of the fraction.


gst_value_get_fraction_numerator

gint
gst_value_get_fraction_numerator (const GValue * value)

Gets the numerator of the fraction specified by value.

Parameters:

value

a GValue initialized to GST_TYPE_FRACTION

Returns

the numerator of the fraction.


Gst.value_get_fraction_numerator

def Gst.value_get_fraction_numerator (value):
    #python wrapper for 'gst_value_get_fraction_numerator'

Gets the numerator of the fraction specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

Returns ( int ) –

the numerator of the fraction.


Gst.prototype.value_get_fraction_numerator

function Gst.prototype.value_get_fraction_numerator(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_fraction_numerator'
}

Gets the numerator of the fraction specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

Returns ( Number ) –

the numerator of the fraction.


gst_value_get_fraction_range_max

const GValue *
gst_value_get_fraction_range_max (const GValue * value)

Gets the maximum of the range specified by value.

Parameters:

value

a GValue initialized to GST_TYPE_FRACTION_RANGE

Returns ( [nullable] ) –

the maximum of the range


Gst.value_get_fraction_range_max

def Gst.value_get_fraction_range_max (value):
    #python wrapper for 'gst_value_get_fraction_range_max'

Gets the maximum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION_RANGE

Returns ( GObject.Value ) –

the maximum of the range


Gst.prototype.value_get_fraction_range_max

function Gst.prototype.value_get_fraction_range_max(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_fraction_range_max'
}

Gets the maximum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION_RANGE

Returns ( GObject.Value ) –

the maximum of the range


gst_value_get_fraction_range_min

const GValue *
gst_value_get_fraction_range_min (const GValue * value)

Gets the minimum of the range specified by value.

Parameters:

value

a GValue initialized to GST_TYPE_FRACTION_RANGE

Returns ( [nullable] ) –

the minimum of the range


Gst.value_get_fraction_range_min

def Gst.value_get_fraction_range_min (value):
    #python wrapper for 'gst_value_get_fraction_range_min'

Gets the minimum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION_RANGE

Returns ( GObject.Value ) –

the minimum of the range


Gst.prototype.value_get_fraction_range_min

function Gst.prototype.value_get_fraction_range_min(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_fraction_range_min'
}

Gets the minimum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION_RANGE

Returns ( GObject.Value ) –

the minimum of the range


gst_value_get_int64_range_max

gint64
gst_value_get_int64_range_max (const GValue * value)

Gets the maximum of the range specified by value.

Parameters:

value

a GValue initialized to GST_TYPE_INT64_RANGE

Returns

the maximum of the range


Gst.value_get_int64_range_max

def Gst.value_get_int64_range_max (value):
    #python wrapper for 'gst_value_get_int64_range_max'

Gets the maximum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT64_RANGE

Returns ( int ) –

the maximum of the range


Gst.prototype.value_get_int64_range_max

function Gst.prototype.value_get_int64_range_max(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_int64_range_max'
}

Gets the maximum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT64_RANGE

Returns ( Number ) –

the maximum of the range


gst_value_get_int64_range_min

gint64
gst_value_get_int64_range_min (const GValue * value)

Gets the minimum of the range specified by value.

Parameters:

value

a GValue initialized to GST_TYPE_INT64_RANGE

Returns

the minimum of the range


Gst.value_get_int64_range_min

def Gst.value_get_int64_range_min (value):
    #python wrapper for 'gst_value_get_int64_range_min'

Gets the minimum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT64_RANGE

Returns ( int ) –

the minimum of the range


Gst.prototype.value_get_int64_range_min

function Gst.prototype.value_get_int64_range_min(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_int64_range_min'
}

Gets the minimum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT64_RANGE

Returns ( Number ) –

the minimum of the range


gst_value_get_int64_range_step

gint64
gst_value_get_int64_range_step (const GValue * value)

Gets the step of the range specified by value.

Parameters:

value

a GValue initialized to GST_TYPE_INT64_RANGE

Returns

the step of the range


Gst.value_get_int64_range_step

def Gst.value_get_int64_range_step (value):
    #python wrapper for 'gst_value_get_int64_range_step'

Gets the step of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT64_RANGE

Returns ( int ) –

the step of the range


Gst.prototype.value_get_int64_range_step

function Gst.prototype.value_get_int64_range_step(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_int64_range_step'
}

Gets the step of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT64_RANGE

Returns ( Number ) –

the step of the range


gst_value_get_int_range_max

gint
gst_value_get_int_range_max (const GValue * value)

Gets the maximum of the range specified by value.

Parameters:

value

a GValue initialized to GST_TYPE_INT_RANGE

Returns

the maximum of the range


Gst.value_get_int_range_max

def Gst.value_get_int_range_max (value):
    #python wrapper for 'gst_value_get_int_range_max'

Gets the maximum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT_RANGE

Returns ( int ) –

the maximum of the range


Gst.prototype.value_get_int_range_max

function Gst.prototype.value_get_int_range_max(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_int_range_max'
}

Gets the maximum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT_RANGE

Returns ( Number ) –

the maximum of the range


gst_value_get_int_range_min

gint
gst_value_get_int_range_min (const GValue * value)

Gets the minimum of the range specified by value.

Parameters:

value

a GValue initialized to GST_TYPE_INT_RANGE

Returns

the minimum of the range


Gst.value_get_int_range_min

def Gst.value_get_int_range_min (value):
    #python wrapper for 'gst_value_get_int_range_min'

Gets the minimum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT_RANGE

Returns ( int ) –

the minimum of the range


Gst.prototype.value_get_int_range_min

function Gst.prototype.value_get_int_range_min(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_int_range_min'
}

Gets the minimum of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT_RANGE

Returns ( Number ) –

the minimum of the range


gst_value_get_int_range_step

gint
gst_value_get_int_range_step (const GValue * value)

Gets the step of the range specified by value.

Parameters:

value

a GValue initialized to GST_TYPE_INT_RANGE

Returns

the step of the range


Gst.value_get_int_range_step

def Gst.value_get_int_range_step (value):
    #python wrapper for 'gst_value_get_int_range_step'

Gets the step of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT_RANGE

Returns ( int ) –

the step of the range


Gst.prototype.value_get_int_range_step

function Gst.prototype.value_get_int_range_step(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_int_range_step'
}

Gets the step of the range specified by value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT_RANGE

Returns ( Number ) –

the step of the range


gst_value_get_structure

const GstStructure *
gst_value_get_structure (const GValue * value)

Gets the contents of value.

Parameters:

value

a GValue initialized to GST_TYPE_STRUCTURE

Returns ( [transfer: none] ) –

the contents of value


Gst.value_get_structure

def Gst.value_get_structure (value):
    #python wrapper for 'gst_value_get_structure'

Gets the contents of value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_STRUCTURE

Returns ( Gst.Structure ) –

the contents of value


Gst.prototype.value_get_structure

function Gst.prototype.value_get_structure(value: GObject.Value): {
    // javascript wrapper for 'gst_value_get_structure'
}

Gets the contents of value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_STRUCTURE

Returns ( Gst.Structure ) –

the contents of value


gst_value_init_and_copy

gst_value_init_and_copy (GValue * dest,
                         const GValue * src)

Initialises the target value to be of the same type as source and then copies the contents from source to target.

Parameters:

dest ( [out] ) –

the target value

src

the source value


Gst.value_init_and_copy

def Gst.value_init_and_copy (src):
    #python wrapper for 'gst_value_init_and_copy'

Initialises the target value to be of the same type as source and then copies the contents from source to target.

Parameters:

src ( GObject.Value ) –

the source value


Gst.prototype.value_init_and_copy

function Gst.prototype.value_init_and_copy(src: GObject.Value): {
    // javascript wrapper for 'gst_value_init_and_copy'
}

Initialises the target value to be of the same type as source and then copies the contents from source to target.

Parameters:

src ( GObject.Value ) –

the source value


gst_value_intersect

gboolean
gst_value_intersect (GValue * dest,
                     const GValue * value1,
                     const GValue * value2)

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.

Parameters:

dest

(out caller-allocates) (transfer full) (allow-none): 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


Gst.value_intersect

def Gst.value_intersect (value1, value2):
    #python wrapper for 'gst_value_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 None. If the intersection is non-empty, dest is not modified.

Parameters:

value1 ( GObject.Value ) –

a value to intersect

value2 ( GObject.Value ) –

another value to intersect

Returns a tuple made of:

( bool ) –

True if the intersection is non-empty

dest ( GObject.Value ) –

True if the intersection is non-empty


Gst.prototype.value_intersect

function Gst.prototype.value_intersect(value1: GObject.Value, value2: GObject.Value): {
    // javascript wrapper for 'gst_value_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, dest is not modified.

Parameters:

value1 ( GObject.Value ) –

a value to intersect

value2 ( GObject.Value ) –

another value to intersect

Returns a tuple made of:

( Number ) –

true if the intersection is non-empty

dest ( GObject.Value ) –

true if the intersection is non-empty


gst_value_is_fixed

gboolean
gst_value_is_fixed (const GValue * value)

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.

Parameters:

value

the GValue to check

Returns

true if the value is "fixed".


Gst.value_is_fixed

def Gst.value_is_fixed (value):
    #python wrapper for 'gst_value_is_fixed'

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.

Parameters:

value ( GObject.Value ) –

the GObject.Value to check

Returns ( bool ) –

true if the value is "fixed".


Gst.prototype.value_is_fixed

function Gst.prototype.value_is_fixed(value: GObject.Value): {
    // javascript wrapper for 'gst_value_is_fixed'
}

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.

Parameters:

value ( GObject.Value ) –

the GObject.Value to check

Returns ( Number ) –

true if the value is "fixed".


gst_value_is_subset

gboolean
gst_value_is_subset (const GValue * value1,
                     const GValue * value2)

Check that value1 is a subset of value2.

Return: TRUE is value1 is a subset of value2

Parameters:

value1

a GValue

value2

a GValue

Returns
No description available

Gst.value_is_subset

def Gst.value_is_subset (value1, value2):
    #python wrapper for 'gst_value_is_subset'

Check that value1 is a subset of value2.

Return: True is value1 is a subset of value2

Parameters:

value1 ( GObject.Value ) –

a GObject.Value

value2 ( GObject.Value ) –

a GObject.Value

Returns ( bool ) –
No description available

Gst.prototype.value_is_subset

function Gst.prototype.value_is_subset(value1: GObject.Value, value2: GObject.Value): {
    // javascript wrapper for 'gst_value_is_subset'
}

Check that value1 is a subset of value2.

Return: true is value1 is a subset of value2

Parameters:

value1 ( GObject.Value ) –

a GObject.Value

value2 ( GObject.Value ) –

a GObject.Value

Returns ( Number ) –
No description available

gst_value_register

gst_value_register (const GstValueTable * table)

Registers functions to perform calculations on GValue items of a given type. Each type can only be added once.

Parameters:

table

structure containing functions to register


Gst.value_register

def Gst.value_register (table):
    #python wrapper for 'gst_value_register'

Registers functions to perform calculations on GObject.Value items of a given type. Each type can only be added once.

Parameters:

table ( Gst.ValueTable ) –

structure containing functions to register


Gst.prototype.value_register

function Gst.prototype.value_register(table: Gst.ValueTable): {
    // javascript wrapper for 'gst_value_register'
}

Registers functions to perform calculations on GObject.Value items of a given type. Each type can only be added once.

Parameters:

table ( Gst.ValueTable ) –

structure containing functions to register


gst_value_serialize

gchar *
gst_value_serialize (const GValue * value)

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

Parameters:

value

a GValue to serialize

Returns ( [transfer: full] [nullable] ) –

the serialization for value or NULL if none exists


Gst.value_serialize

def Gst.value_serialize (value):
    #python wrapper for 'gst_value_serialize'

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

Parameters:

value ( GObject.Value ) –

a GObject.Value to serialize

Returns ( str ) –

the serialization for value or None if none exists


Gst.prototype.value_serialize

function Gst.prototype.value_serialize(value: GObject.Value): {
    // javascript wrapper for 'gst_value_serialize'
}

tries to transform the given value into a string representation that allows getting back this string later on using Gst.prototype.value_deserialize.

Free-function: g_free

Parameters:

value ( GObject.Value ) –

a GObject.Value to serialize

Returns ( String ) –

the serialization for value or null if none exists


gst_value_set_bitmask

gst_value_set_bitmask (GValue * value,
                       guint64 bitmask)

Sets value to the bitmask specified by bitmask.

Parameters:

value

a GValue initialized to GST_TYPE_BITMASK

bitmask

the bitmask


Gst.value_set_bitmask

def Gst.value_set_bitmask (value, bitmask):
    #python wrapper for 'gst_value_set_bitmask'

Sets value to the bitmask specified by bitmask.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_BITMASK (not introspectable)

bitmask ( int ) –

the bitmask


Gst.prototype.value_set_bitmask

function Gst.prototype.value_set_bitmask(value: GObject.Value, bitmask: Number): {
    // javascript wrapper for 'gst_value_set_bitmask'
}

Sets value to the bitmask specified by bitmask.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_BITMASK (not introspectable)

bitmask ( Number ) –

the bitmask


gst_value_set_caps

gst_value_set_caps (GValue * value,
                    const GstCaps * caps)

Sets the contents of value to caps. A reference to the provided caps will be taken by the value.

Parameters:

value

a GValue initialized to GST_TYPE_CAPS

caps ( [transfer: none] ) –

the caps to set the value to


Gst.value_set_caps

def Gst.value_set_caps (value, caps):
    #python wrapper for 'gst_value_set_caps'

Sets the contents of value to caps. A reference to the provided caps will be taken by the value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_CAPS

caps ( Gst.Caps ) –

the caps to set the value to


Gst.prototype.value_set_caps

function Gst.prototype.value_set_caps(value: GObject.Value, caps: Gst.Caps): {
    // javascript wrapper for 'gst_value_set_caps'
}

Sets the contents of value to caps. A reference to the provided caps will be taken by the value.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_CAPS

caps ( Gst.Caps ) –

the caps to set the value to


gst_value_set_caps_features

gst_value_set_caps_features (GValue * value,
                             const GstCapsFeatures * features)

Sets the contents of value to features.

Parameters:

value

a GValue initialized to GST_TYPE_CAPS_FEATURES

features

the features to set the value to


Gst.value_set_caps_features

def Gst.value_set_caps_features (value, features):
    #python wrapper for 'gst_value_set_caps_features'

Sets the contents of value to features.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_CAPS_FEATURES

features ( Gst.CapsFeatures ) –

the features to set the value to


Gst.prototype.value_set_caps_features

function Gst.prototype.value_set_caps_features(value: GObject.Value, features: Gst.CapsFeatures): {
    // javascript wrapper for 'gst_value_set_caps_features'
}

Sets the contents of value to features.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_CAPS_FEATURES

features ( Gst.CapsFeatures ) –

the features to set the value to


gst_value_set_double_range

gst_value_set_double_range (GValue * value,
                            gdouble start,
                            gdouble end)

Sets value to the range specified by start and end.

Parameters:

value

a GValue initialized to GST_TYPE_DOUBLE_RANGE

start

the start of the range

end

the end of the range


Gst.value_set_double_range

def Gst.value_set_double_range (value, start, end):
    #python wrapper for 'gst_value_set_double_range'

Sets value to the range specified by start and end.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_DOUBLE_RANGE

start ( float ) –

the start of the range

end ( float ) –

the end of the range


Gst.prototype.value_set_double_range

function Gst.prototype.value_set_double_range(value: GObject.Value, start: Number, end: Number): {
    // javascript wrapper for 'gst_value_set_double_range'
}

Sets value to the range specified by start and end.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_DOUBLE_RANGE

start ( Number ) –

the start of the range

end ( Number ) –

the end of the range


gst_value_set_flagset

gst_value_set_flagset (GValue * value,
                       guint flags,
                       guint mask)

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"

Parameters:

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


Gst.value_set_flagset

def Gst.value_set_flagset (value, flags, mask):
    #python wrapper for 'gst_value_set_flagset'

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"

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FLAG_SET (not introspectable)

flags ( int ) –

The value of the flags set or unset

mask ( int ) –

The mask indicate which flags bits must match for comparisons

Since : 1.6


Gst.prototype.value_set_flagset

function Gst.prototype.value_set_flagset(value: GObject.Value, flags: Number, mask: Number): {
    // javascript wrapper for 'gst_value_set_flagset'
}

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"

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FLAG_SET (not introspectable)

flags ( Number ) –

The value of the flags set or unset

mask ( Number ) –

The mask indicate which flags bits must match for comparisons

Since : 1.6


gst_value_set_fraction

gst_value_set_fraction (GValue * value,
                        gint numerator,
                        gint denominator)

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.

Parameters:

value

a GValue initialized to GST_TYPE_FRACTION

numerator

the numerator of the fraction

denominator

the denominator of the fraction


Gst.value_set_fraction

def Gst.value_set_fraction (value, numerator, denominator):
    #python wrapper for 'gst_value_set_fraction'

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.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

numerator ( int ) –

the numerator of the fraction

denominator ( int ) –

the denominator of the fraction


Gst.prototype.value_set_fraction

function Gst.prototype.value_set_fraction(value: GObject.Value, numerator: Number, denominator: Number): {
    // javascript wrapper for 'gst_value_set_fraction'
}

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.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION (not introspectable)

numerator ( Number ) –

the numerator of the fraction

denominator ( Number ) –

the denominator of the fraction


gst_value_set_fraction_range

gst_value_set_fraction_range (GValue * value,
                              const GValue * start,
                              const GValue * end)

Sets value to the range specified by start and end.

Parameters:

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)


Gst.value_set_fraction_range

def Gst.value_set_fraction_range (value, start, end):
    #python wrapper for 'gst_value_set_fraction_range'

Sets value to the range specified by start and end.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION_RANGE

start ( GObject.Value ) –

the start of the range (a GST_TYPE_FRACTION GValue)

end ( GObject.Value ) –

the end of the range (a GST_TYPE_FRACTION GValue)


Gst.prototype.value_set_fraction_range

function Gst.prototype.value_set_fraction_range(value: GObject.Value, start: GObject.Value, end: GObject.Value): {
    // javascript wrapper for 'gst_value_set_fraction_range'
}

Sets value to the range specified by start and end.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION_RANGE

start ( GObject.Value ) –

the start of the range (a GST_TYPE_FRACTION GValue)

end ( GObject.Value ) –

the end of the range (a GST_TYPE_FRACTION GValue)


gst_value_set_fraction_range_full

gst_value_set_fraction_range_full (GValue * value,
                                   gint numerator_start,
                                   gint denominator_start,
                                   gint numerator_end,
                                   gint denominator_end)

Sets value to the range specified by numerator_start/@denominator_start and numerator_end/@denominator_end.

Parameters:

value

a GValue initialized to GST_TYPE_FRACTION_RANGE

numerator_start

the numerator start of the range

denominator_start

the denominator start of the range

numerator_end

the numerator end of the range

denominator_end

the denominator end of the range


Gst.value_set_fraction_range_full

def Gst.value_set_fraction_range_full (value, numerator_start, denominator_start, numerator_end, denominator_end):
    #python wrapper for 'gst_value_set_fraction_range_full'

Sets value to the range specified by numerator_start/@denominator_start and numerator_end/@denominator_end.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION_RANGE

numerator_start ( int ) –

the numerator start of the range

denominator_start ( int ) –

the denominator start of the range

numerator_end ( int ) –

the numerator end of the range

denominator_end ( int ) –

the denominator end of the range


Gst.prototype.value_set_fraction_range_full

function Gst.prototype.value_set_fraction_range_full(value: GObject.Value, numerator_start: Number, denominator_start: Number, numerator_end: Number, denominator_end: Number): {
    // javascript wrapper for 'gst_value_set_fraction_range_full'
}

Sets value to the range specified by numerator_start/@denominator_start and numerator_end/@denominator_end.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_FRACTION_RANGE

numerator_start ( Number ) –

the numerator start of the range

denominator_start ( Number ) –

the denominator start of the range

numerator_end ( Number ) –

the numerator end of the range

denominator_end ( Number ) –

the denominator end of the range


gst_value_set_int64_range

gst_value_set_int64_range (GValue * value,
                           gint64 start,
                           gint64 end)

Sets value to the range specified by start and end.

Parameters:

value

a GValue initialized to GST_TYPE_INT64_RANGE

start

the start of the range

end

the end of the range


Gst.value_set_int64_range

def Gst.value_set_int64_range (value, start, end):
    #python wrapper for 'gst_value_set_int64_range'

Sets value to the range specified by start and end.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT64_RANGE

start ( int ) –

the start of the range

end ( int ) –

the end of the range


Gst.prototype.value_set_int64_range

function Gst.prototype.value_set_int64_range(value: GObject.Value, start: Number, end: Number): {
    // javascript wrapper for 'gst_value_set_int64_range'
}

Sets value to the range specified by start and end.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT64_RANGE

start ( Number ) –

the start of the range

end ( Number ) –

the end of the range


gst_value_set_int64_range_step

gst_value_set_int64_range_step (GValue * value,
                                gint64 start,
                                gint64 end,
                                gint64 step)

Sets value to the range specified by start, end and step.

Parameters:

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


Gst.value_set_int64_range_step

def Gst.value_set_int64_range_step (value, start, end, step):
    #python wrapper for 'gst_value_set_int64_range_step'

Sets value to the range specified by start, end and step.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT64_RANGE

start ( int ) –

the start of the range

end ( int ) –

the end of the range

step ( int ) –

the step of the range


Gst.prototype.value_set_int64_range_step

function Gst.prototype.value_set_int64_range_step(value: GObject.Value, start: Number, end: Number, step: Number): {
    // javascript wrapper for 'gst_value_set_int64_range_step'
}

Sets value to the range specified by start, end and step.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT64_RANGE

start ( Number ) –

the start of the range

end ( Number ) –

the end of the range

step ( Number ) –

the step of the range


gst_value_set_int_range

gst_value_set_int_range (GValue * value,
                         gint start,
                         gint end)

Sets value to the range specified by start and end.

Parameters:

value

a GValue initialized to GST_TYPE_INT_RANGE

start

the start of the range

end

the end of the range


Gst.value_set_int_range

def Gst.value_set_int_range (value, start, end):
    #python wrapper for 'gst_value_set_int_range'

Sets value to the range specified by start and end.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT_RANGE

start ( int ) –

the start of the range

end ( int ) –

the end of the range


Gst.prototype.value_set_int_range

function Gst.prototype.value_set_int_range(value: GObject.Value, start: Number, end: Number): {
    // javascript wrapper for 'gst_value_set_int_range'
}

Sets value to the range specified by start and end.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT_RANGE

start ( Number ) –

the start of the range

end ( Number ) –

the end of the range


gst_value_set_int_range_step

gst_value_set_int_range_step (GValue * value,
                              gint start,
                              gint end,
                              gint step)

Sets value to the range specified by start, end and step.

Parameters:

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


Gst.value_set_int_range_step

def Gst.value_set_int_range_step (value, start, end, step):
    #python wrapper for 'gst_value_set_int_range_step'

Sets value to the range specified by start, end and step.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT_RANGE

start ( int ) –

the start of the range

end ( int ) –

the end of the range

step ( int ) –

the step of the range


Gst.prototype.value_set_int_range_step

function Gst.prototype.value_set_int_range_step(value: GObject.Value, start: Number, end: Number, step: Number): {
    // javascript wrapper for 'gst_value_set_int_range_step'
}

Sets value to the range specified by start, end and step.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_INT_RANGE

start ( Number ) –

the start of the range

end ( Number ) –

the end of the range

step ( Number ) –

the step of the range


gst_value_set_structure

gst_value_set_structure (GValue * value,
                         const GstStructure * structure)

Sets the contents of value to structure.

Parameters:

value

a GValue initialized to GST_TYPE_STRUCTURE

structure

the structure to set the value to


Gst.value_set_structure

def Gst.value_set_structure (value, structure):
    #python wrapper for 'gst_value_set_structure'

Sets the contents of value to structure.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_STRUCTURE

structure ( Gst.Structure ) –

the structure to set the value to


Gst.prototype.value_set_structure

function Gst.prototype.value_set_structure(value: GObject.Value, structure: Gst.Structure): {
    // javascript wrapper for 'gst_value_set_structure'
}

Sets the contents of value to structure.

Parameters:

value ( GObject.Value ) –

a GValue initialized to GST_TYPE_STRUCTURE

structure ( Gst.Structure ) –

the structure to set the value to


gst_value_subtract

gboolean
gst_value_subtract (GValue * dest,
                    const GValue * minuend,
                    const GValue * subtrahend)

Subtracts subtrahend from minuend and stores the result in dest. Note that this means subtraction as in sets, not as in mathematics.

Parameters:

dest ( [out] [allow-none] ) –

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


Gst.value_subtract

def Gst.value_subtract (minuend, subtrahend):
    #python wrapper for 'gst_value_subtract'

Subtracts subtrahend from minuend and stores the result in dest. Note that this means subtraction as in sets, not as in mathematics.

Parameters:

minuend ( GObject.Value ) –

the value to subtract from

subtrahend ( GObject.Value ) –

the value to subtract

Returns a tuple made of:

( bool ) –

True if the subtraction is not empty

dest ( GObject.Value ) –

True if the subtraction is not empty


Gst.prototype.value_subtract

function Gst.prototype.value_subtract(minuend: GObject.Value, subtrahend: GObject.Value): {
    // javascript wrapper for 'gst_value_subtract'
}

Subtracts subtrahend from minuend and stores the result in dest. Note that this means subtraction as in sets, not as in mathematics.

Parameters:

minuend ( GObject.Value ) –

the value to subtract from

subtrahend ( GObject.Value ) –

the value to subtract

Returns a tuple made of:

( Number ) –

true if the subtraction is not empty

dest ( GObject.Value ) –

true if the subtraction is not empty


gst_value_union

gboolean
gst_value_union (GValue * dest,
                 const GValue * value1,
                 const GValue * value2)

Creates a GValue corresponding to the union of value1 and value2.

Parameters:

dest ( [out] ) –

the destination value

value1

a value to union

value2

another value to union

Returns

TRUE if the union succeeded.


Gst.value_union

def Gst.value_union (value1, value2):
    #python wrapper for 'gst_value_union'

Creates a GValue corresponding to the union of value1 and value2.

Parameters:

value1 ( GObject.Value ) –

a value to union

value2 ( GObject.Value ) –

another value to union

Returns a tuple made of:

( bool ) –

True if the union succeeded.

dest ( GObject.Value ) –

True if the union succeeded.


Gst.prototype.value_union

function Gst.prototype.value_union(value1: GObject.Value, value2: GObject.Value): {
    // javascript wrapper for 'gst_value_union'
}

Creates a GValue corresponding to the union of value1 and value2.

Parameters:

value1 ( GObject.Value ) –

a value to union

value2 ( GObject.Value ) –

another value to union

Returns a tuple made of:

( Number ) –

true if the union succeeded.

dest ( GObject.Value ) –

true if the union succeeded.


Function Macros

GST_FOURCC_ARGS

#define GST_FOURCC_ARGS(fourcc)               \
  __GST_PRINT_CHAR((fourcc) & 0xff),          \
  __GST_PRINT_CHAR(((fourcc) >> 8) & 0xff),   \
  __GST_PRINT_CHAR(((fourcc) >> 16) & 0xff),  \
  __GST_PRINT_CHAR(((fourcc) >> 24) & 0xff)

Can be used together with GST_FOURCC_FORMAT to properly output a guint32 fourcc value in a printf()-style text message.

Parameters:

fourcc

a guint32 fourcc value to output


GST_MAKE_FOURCC

#define GST_MAKE_FOURCC(a,b,c,d) \
  ( (guint32)(a) | ((guint32) (b)) << 8  | ((guint32) (c)) << 16 | ((guint32) (d)) << 24 )

Transform four characters into a guint32 fourcc value with host endianness.

 guint32 fourcc = GST_MAKE_FOURCC ('M', 'J', 'P', 'G');

Parameters:

a

the first character

b

the second character

c

the third character

d

the fourth character


GST_STR_FOURCC

#define GST_STR_FOURCC(f)               ((guint32)(((f)[0])|((f)[1]<<8)|((f)[2]<<16)|((f)[3]<<24)))

Transform an input string into a guint32 fourcc value with host endianness. Caller is responsible for ensuring the input string consists of at least four characters.

 guint32 fourcc = GST_STR_FOURCC ("MJPG");

Parameters:

f

a string with at least four characters


GST_VALUE_HOLDS_ARRAY

#define GST_VALUE_HOLDS_ARRAY(x)        ((x) != NULL && G_VALUE_TYPE(x) == _gst_value_array_type)

Checks if the given GValue contains a GST_TYPE_ARRAY value.

Parameters:

x

the GValue to check


GST_VALUE_HOLDS_BITMASK

#define GST_VALUE_HOLDS_BITMASK(x)      ((x) != NULL && G_VALUE_TYPE(x) == _gst_bitmask_type)

Checks if the given GValue contains a GST_TYPE_BITMASK value.

Parameters:

x

the GValue to check


GST_VALUE_HOLDS_BUFFER

#define GST_VALUE_HOLDS_BUFFER(x)       ((x) != NULL && G_VALUE_TYPE(x) == _gst_buffer_type)

Checks if the given GValue contains a GST_TYPE_BUFFER value.

Parameters:

x

the GValue to check


GST_VALUE_HOLDS_CAPS

#define GST_VALUE_HOLDS_CAPS(x)         ((x) != NULL && G_VALUE_TYPE(x) == _gst_caps_type)

Checks if the given GValue contains a GST_TYPE_CAPS value.

Parameters:

x

the GValue to check


GST_VALUE_HOLDS_CAPS_FEATURES

#define GST_VALUE_HOLDS_CAPS_FEATURES(x)        (G_VALUE_HOLDS((x), _gst_caps_features_type))

Checks if the given GValue contains a GST_TYPE_CAPS_FEATURES value.

Parameters:

x

the GValue to check


GST_VALUE_HOLDS_DATE_TIME

#define GST_VALUE_HOLDS_DATE_TIME(x)    ((x) != NULL && G_VALUE_TYPE(x) == _gst_date_time_type)

Checks if the given GValue contains a GST_TYPE_DATE_TIME value.

Parameters:

x

the GValue to check


GST_VALUE_HOLDS_DOUBLE_RANGE

#define GST_VALUE_HOLDS_DOUBLE_RANGE(x)   ((x) != NULL && G_VALUE_TYPE(x) == _gst_double_range_type)

Checks if the given GValue contains a GST_TYPE_DOUBLE_RANGE value.

Parameters:

x

the GValue to check


GST_VALUE_HOLDS_FLAG_SET

#define GST_VALUE_HOLDS_FLAG_SET(x)     (G_TYPE_CHECK_VALUE_TYPE ((x), GST_TYPE_FLAG_SET))

Checks if the given GValue contains a GST_TYPE_FLAG_SET value.

Parameters:

x

the GValue to check


GST_VALUE_HOLDS_FRACTION

#define GST_VALUE_HOLDS_FRACTION(x)     ((x) != NULL && G_VALUE_TYPE(x) == _gst_fraction_type)

Checks if the given GValue contains a GST_TYPE_FRACTION value.

Parameters:

x

the GValue to check


GST_VALUE_HOLDS_FRACTION_RANGE

#define GST_VALUE_HOLDS_FRACTION_RANGE(x) ((x) != NULL && G_VALUE_TYPE(x) == _gst_fraction_range_type)

Checks if the given GValue contains a GST_TYPE_FRACTION_RANGE value.

Parameters:

x

the GValue to check


GST_VALUE_HOLDS_INT64_RANGE

#define GST_VALUE_HOLDS_INT64_RANGE(x)    ((x) != NULL && G_VALUE_TYPE(x) == _gst_int64_range_type)

Checks if the given GValue contains a GST_TYPE_INT64_RANGE value.

Parameters:

x

the GValue to check


GST_VALUE_HOLDS_INT_RANGE

#define GST_VALUE_HOLDS_INT_RANGE(x)      ((x) != NULL && G_VALUE_TYPE(x) == _gst_int_range_type)

Checks if the given GValue contains a GST_TYPE_INT_RANGE value.

Parameters:

x

the GValue to check


GST_VALUE_HOLDS_LIST

#define GST_VALUE_HOLDS_LIST(x)         ((x) != NULL && G_VALUE_TYPE(x) == _gst_value_list_type)

Checks if the given GValue contains a GST_TYPE_LIST value.

Parameters:

x

the GValue to check


GST_VALUE_HOLDS_SAMPLE

#define GST_VALUE_HOLDS_SAMPLE(x)       ((x) != NULL && G_VALUE_TYPE(x) == _gst_sample_type)

Checks if the given GValue contains a GST_TYPE_SAMPLE value.

Parameters:

x

the GValue to check


GST_VALUE_HOLDS_STRUCTURE

#define GST_VALUE_HOLDS_STRUCTURE(x)            (G_VALUE_HOLDS((x), _gst_structure_type))

Checks if the given GValue contains a GST_TYPE_STRUCTURE value.

Parameters:

x

the GValue to check


__GST_PRINT_CHAR

#define __GST_PRINT_CHAR(c) \
  g_ascii_isprint(c) ? (c) : '.'

Constants

GST_FLAG_SET_MASK_EXACT

#define GST_FLAG_SET_MASK_EXACT ((guint)(-1))

A mask value with all bits set, for use as a GstFlagSet mask where all flag bits must match exactly


Gst.FLAG_SET_MASK_EXACT

A mask value with all bits set, for use as a GstFlagSet mask where all flag bits must match exactly


Gst.FLAG_SET_MASK_EXACT

A mask value with all bits set, for use as a GstFlagSet mask where all flag bits must match exactly


GST_FOURCC_FORMAT

#define GST_FOURCC_FORMAT "c%c%c%c"

Can be used together with GST_FOURCC_ARGS to properly output a guint32 fourcc value in a printf()-style text message.

 printf ("fourcc: %" GST_FOURCC_FORMAT "\n", GST_FOURCC_ARGS (fcc));

GST_TYPE_ARRAY

#define GST_TYPE_ARRAY                   (_gst_value_array_type)

a GValue type that represents an ordered list of GValue values. This is used to express a set of values that is meaningful only in their specific combination and order of values. Each value on its own is not particularly meaningful, only the ordered array in its entirety is meaningful. This is used for example to express channel layouts for multichannel audio where each channel needs to be mapped to a position in the room.


GST_TYPE_BITMASK

#define GST_TYPE_BITMASK                 (_gst_bitmask_type)

a GValue type that represents a 64-bit bitmask.


GST_TYPE_DOUBLE_RANGE

#define GST_TYPE_DOUBLE_RANGE            (_gst_double_range_type)

a GValue type that represents a floating point range with double precision


GST_TYPE_FLAG_SET

#define GST_TYPE_FLAG_SET                   (_gst_flagset_type)

a GValue type that represents a 32-bit flag bitfield, with 32-bit mask indicating which of the bits in the field are explicitly set. Useful for negotiation.


GST_TYPE_FRACTION

#define GST_TYPE_FRACTION                (_gst_fraction_type)

a GValue type that represents a fraction of an integer numerator over an integer denominator


GST_TYPE_FRACTION_RANGE

#define GST_TYPE_FRACTION_RANGE           (_gst_fraction_range_type)

a GValue type that represents a GstFraction range


GST_TYPE_G_THREAD

#define GST_TYPE_G_THREAD                gst_g_thread_get_type ()

a boxed GValue type for GThread that represents a thread.


GST_TYPE_INT64_RANGE

#define GST_TYPE_INT64_RANGE             (_gst_int64_range_type)

a GValue type that represents an gint64 range


GST_TYPE_INT_RANGE

#define GST_TYPE_INT_RANGE               (_gst_int_range_type)

a GValue type that represents an integer range


GST_TYPE_LIST

#define GST_TYPE_LIST                    (_gst_value_list_type)

a GValue type that represents an unordered list of GValue values. This is used for example to express a list of possible values for a field in a caps structure, like a list of possible sample rates, of which only one will be chosen in the end. This means that all values in the list are meaningful on their own.


GST_VALUE_EQUAL

#define GST_VALUE_EQUAL                   0

Indicates that the first value provided to a comparison function (gst_value_compare) is equal to the second one.


Gst.VALUE_EQUAL

Indicates that the first value provided to a comparison function (Gst.value_compare) is equal to the second one.


Gst.VALUE_EQUAL

Indicates that the first value provided to a comparison function (Gst.prototype.value_compare) is equal to the second one.


GST_VALUE_GREATER_THAN

#define GST_VALUE_GREATER_THAN            1

Indicates that the first value provided to a comparison function (gst_value_compare) is greater than the second one.


Gst.VALUE_GREATER_THAN

Indicates that the first value provided to a comparison function (Gst.value_compare) is greater than the second one.


Gst.VALUE_GREATER_THAN

Indicates that the first value provided to a comparison function (Gst.prototype.value_compare) is greater than the second one.


GST_VALUE_LESS_THAN

#define GST_VALUE_LESS_THAN              (-1)

Indicates that the first value provided to a comparison function (gst_value_compare) is lesser than the second one.


Gst.VALUE_LESS_THAN

Indicates that the first value provided to a comparison function (Gst.value_compare) is lesser than the second one.


Gst.VALUE_LESS_THAN

Indicates that the first value provided to a comparison function (Gst.prototype.value_compare) is lesser than the second one.


GST_VALUE_UNORDERED

#define GST_VALUE_UNORDERED               2

Indicates that the comparison function (gst_value_compare) can not determine a order for the two provided values.


Gst.VALUE_UNORDERED

Indicates that the comparison function (Gst.value_compare) can not determine a order for the two provided values.


Gst.VALUE_UNORDERED

Indicates that the comparison function (Gst.prototype.value_compare) can not determine a order for the two provided values.


Callbacks

GstValueCompareFunc

gint
(*GstValueCompareFunc) (const GValue * value1,
                        const GValue * value2)

Used together with gst_value_compare to compare GValue items.

Parameters:

value1

first value for comparison

value2

second value for comparison

Returns

one of GST_VALUE_LESS_THAN, GST_VALUE_EQUAL, GST_VALUE_GREATER_THAN or GST_VALUE_UNORDERED


Gst.ValueCompareFunc

def Gst.ValueCompareFunc (value1, value2):
    #python wrapper for 'GstValueCompareFunc'

Used together with Gst.value_compare to compare GObject.Value items.

Parameters:

value1 ( GObject.Value ) –

first value for comparison

value2 ( GObject.Value ) –

second value for comparison

Returns ( int ) –

one of GST_VALUE_LESS_THAN, GST_VALUE_EQUAL, GST_VALUE_GREATER_THAN or GST_VALUE_UNORDERED


Gst.ValueCompareFunc

function Gst.ValueCompareFunc(value1: GObject.Value, value2: GObject.Value): {
    // javascript wrapper for 'GstValueCompareFunc'
}

Used together with Gst.prototype.value_compare to compare GObject.Value items.

Parameters:

value1 ( GObject.Value ) –

first value for comparison

value2 ( GObject.Value ) –

second value for comparison

Returns ( Number ) –

one of GST_VALUE_LESS_THAN, GST_VALUE_EQUAL, GST_VALUE_GREATER_THAN or GST_VALUE_UNORDERED


GstValueDeserializeFunc

gboolean
(*GstValueDeserializeFunc) (GValue * dest,
                            const gchar * s)

Used by gst_value_deserialize to parse a non-binary form into the GValue.

Parameters:

dest

a GValue

s

a string

Returns

TRUE for success


Gst.ValueDeserializeFunc

def Gst.ValueDeserializeFunc (dest, s):
    #python wrapper for 'GstValueDeserializeFunc'

Used by Gst.value_deserialize to parse a non-binary form into the GObject.Value.

Parameters:

dest ( GObject.Value ) –

a GObject.Value

s ( str ) –

a string

Returns ( bool ) –

True for success


Gst.ValueDeserializeFunc

function Gst.ValueDeserializeFunc(dest: GObject.Value, s: String): {
    // javascript wrapper for 'GstValueDeserializeFunc'
}

Used by Gst.prototype.value_deserialize to parse a non-binary form into the GObject.Value.

Parameters:

dest ( GObject.Value ) –

a GObject.Value

s ( String ) –

a string

Returns ( Number ) –

true for success


GstValueSerializeFunc

gchar *
(*GstValueSerializeFunc) (const GValue * value1)

Used by gst_value_serialize to obtain a non-binary form of the GValue.

Free-function: g_free

Parameters:

value1

a GValue

Returns ( [transfer: full] ) –

the string representation of the value


Gst.ValueSerializeFunc

def Gst.ValueSerializeFunc (value1):
    #python wrapper for 'GstValueSerializeFunc'

Used by Gst.value_serialize to obtain a non-binary form of the GObject.Value.

Free-function: g_free

Parameters:

value1 ( GObject.Value ) –

a GObject.Value

Returns ( str ) –

the string representation of the value


Gst.ValueSerializeFunc

function Gst.ValueSerializeFunc(value1: GObject.Value): {
    // javascript wrapper for 'GstValueSerializeFunc'
}

Used by Gst.prototype.value_serialize to obtain a non-binary form of the GObject.Value.

Free-function: g_free

Parameters:

value1 ( GObject.Value ) –

a GObject.Value

Returns ( String ) –

the string representation of the value


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