#include "lib/time/timevalue.hpp"

Description

Duration is the internal Lumiera time metric.

It is an absolute (positive) value, but can be promoted from an offset. While Duration generally is treated as immutable value, there is the possibility to send a Mutation message.

Note: Duration relies on Offset being limited

Definition at line 468 of file timevalue.hpp.

Public Member Functions
	Duration (Offset const &distance)

	Duration (TimeValue const &timeSpec)

	Duration (FSecs const &timeSpan_in_secs)

	Duration (FrameCnt count, FrameRate const &fps)
	duration of the given number of frames. More...

	Duration (TimeSpan const &interval)

	Duration (Duration const &o)

void	accept (Mutation const &)

	operator std::string () const

Offset	operator- () const
	Supporting backwards use as offset.

Public Member Functions inherited from TimeValue
	TimeValue (gavl_time_t val)

	TimeValue (TimeValue const &o)
	copy initialisation allowed

bool	isRegular () const

	operator std::string () const

Static Public Attributes
static const Duration	MAX
	maximum possible temporal extension More...

static const Duration	NIL {Time::ZERO}
	constant to indicate "no duration"

Static Public Attributes inherited from TimeValue
static const gavl_time_t	SCALE = GAVL_TIME_SCALE
	Number of micro ticks (µs) per second as basic time scale.

Private Member Functions
Duration &	operator= (Duration const &)
	direct assignment prohibited

Additional Inherited Members
Static Public Member Functions inherited from TimeValue
static TimeValue	buildRaw_ (gavl_time_t)

Protected Member Functions inherited from TimeValue
	TimeValue (TimeValue const &origin, TimeValue const &target)

TimeValue &	operator= (TimeValue const &o)
	Assigning of time values is not allowed, but derived classed might allow that.

Static Protected Member Functions inherited from TimeValue
static gavl_time_t	limitedDelta (gavl_time_t origin, gavl_time_t target)
	safe calculation of explicitly limited time offset

static gavl_time_t	limitedTime (gavl_time_t raw)
	explicit limit of allowed time range More...

Protected Attributes inherited from TimeValue
gavl_time_t	t_
	the raw (internal) time value used to implement the time types

Constructor & Destructor Documentation

◆ Duration()

Duration	(	FrameCnt	count,
		FrameRate const &	fps
	)

inline

duration of the given number of frames.

Note: always positive; count used absolute

Definition at line 494 of file timevalue.hpp.

References TimeValue::t_.

Member Function Documentation

◆ operator std::string()

operator std::string ( ) const

diagnostics

Member Data Documentation

◆ MAX

const Duration MAX

static

Initial value:

= []{
                                     auto maxDelta {Time::MAX - Time::MIN};
                                     
                                     return reinterpret_cast<Duration const&> (maxDelta);
                                   }()

maximum possible temporal extension

Definition at line 507 of file timevalue.hpp.

Referenced by Offset::Offset(), ZoomWindow_test::safeguard_extremeOffset(), ZoomWindow_test::safeguard_extremeTimePos(), and ZoomWindow_test::safeguard_verySmall().

Inheritance diagram for Duration:

Collaboration diagram for Duration:

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

Description

Public Member Functions

Static Public Attributes