Gst::DoubleRange Class Reference

A class that represents a double range (min - max). More...

Public Member Functions
	DoubleRange ()
	Constructs a zero Gst::DoubleRange (0.0 - 0.0). More...
	DoubleRange (double min, double max)
	Constructs a Gst::DoubleRange (min - max). More...
	DoubleRange (const DoubleRange& src)
	Constructs a Gst::DoubleRange from another. More...
	DoubleRange (const Glib::ValueBase& gst_double_range_value)
	Constructs a Gst::DoubleRange from a GST_TYPE_DOUBLE_RANGE. More...
	DoubleRange (const GValue& gst_double_range_value)
	Constructs a Gst::DoubleRange from a GST_TYPE_DOUBLE_RANGE. More...
DoubleRange&	operator= (const DoubleRange& src)

Public Attributes
double	min
double	max

Detailed Description

A class that represents a double range (min - max).

Gst::DoubleRange is used to use to store a double precision floating point range in Gst::Structures of Gst::Caps as a value representing a property (see GStreamer Application Development Manual section 8.2.2 and GstValue docs). When the value is set, it is transformed to a GStreamer GType so retrieving the value is a bit different. The class can be used in setting and getting a Gst::Structure field like so:

Glib::Value<Gst::DoubleRange> value;
value.init(Glib::Value<Gst::DoubleRange>::value_type());
value.set(Gst::DoubleRange(44.1, 48.0));

Gst::Structure structure("my-structure");
structure.set_field("rate", value);
...
Glib::ValueBase gst_value;
structure.get_field("rate", gst_value);
Gst::DoubleRange range(gst_value);
double min = range.min;
...

Constructor & Destructor Documentation

Gst::DoubleRange::DoubleRange

(

)

Constructs a zero Gst::DoubleRange (0.0 - 0.0).

Gst::DoubleRange::DoubleRange	(	double	min,
		double	max
	)

Constructs a Gst::DoubleRange (min - max).

Gst::DoubleRange::DoubleRange

(

const DoubleRange&

src

)

Constructs a Gst::DoubleRange from another.

Gst::DoubleRange::DoubleRange ( const Glib::ValueBase &  gst_double_range_value )

explicit

Constructs a Gst::DoubleRange from a GST_TYPE_DOUBLE_RANGE.

Gst::DoubleRange::DoubleRange ( const GValue &  gst_double_range_value )

explicit

Constructs a Gst::DoubleRange from a GST_TYPE_DOUBLE_RANGE.

Member Function Documentation

DoubleRange& Gst::DoubleRange::operator=

(

const DoubleRange&

src

)

Member Data Documentation

double Gst::DoubleRange::max

double Gst::DoubleRange::min

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The documentation for this class was generated from the following file:

• gstreamermm/value.h