output-mapping.hpp File Reference

Translating and wiring output designations. More...

Go to the source code of this file.

Description

Translating and wiring output designations.

OutputMapping is a complement to the OutputDesignation handles used at various places in the high-level model. It is used when translating a given output spec into another connection target

• when connecting a model port to a concrete external output
• when connecting a timeline to a viewer element
• for implementing the viewer input selection "switchboard"
• for translating output designation of virtual clips OutputMapping is to be used as value object, holding concrete connections and wiring. For each of the mentioned usage situations, it needs to be adapted specifically, which is achieved by template (generic) programming: The usage situation provides a definition context DEF to fill in the variable parts of the implementation. This definition context is actually instantiated (as base class). The mapping table actually just stores an association of hash values, which typically are interpreted as asset::ID<Pipe>. But the actual mapping result is retrieved on each access by invoking a functor on the stored hash value, thus the final resolution is done late.

See also

OutputDesignation

OutputMapping_test

Definition in file output-mapping.hpp.

#include "lib/error.hpp"
#include "lib/util.hpp"
#include "lib/hash-value.h"
#include "steam/asset/pipe.hpp"
#include "common/query.hpp"
#include <compare>
#include <map>

Namespaces
namespace	steam
	Steam-Layer implementation namespace root.
namespace	steam::mobject
	Media-Objects, edit operations and high-level session.
namespace	steam::mobject::anonymous_namespace{output-mapping.hpp}
namespace	steam::mobject::_mapping

Classes
class	_def< DEF >
struct	_def< DEF >::Rebind< RET(DEF::*)(PId)>
class	OutputMapping< DEF >
	OutputMapping is a facility to resolve output designations. More...
class	OutputMapping< DEF >::Resolver

Functions
HashVal	slot (Query< asset::Pipe > const &)
	yield a suitable table slot for this query
HashVal	resolveQuery (Query< asset::Pipe > const &)
	delegate target pipe resolution to the rules system
uint	is_defaults_query_with_channel (Query< asset::Pipe > const &)
	detect the special case, when actually the Nth solution of a defaults query is requested
Query< asset::Pipe >	build_corresponding_sourceQuery (Query< asset::Pipe > const &)
	..and build the corresponding defaults source query for this case

---

Class Documentation

steam::mobject::anonymous_namespace{output-mapping.hpp}::_def::Rebind< RET(DEF::*)(PId)>

struct steam::mobject::anonymous_namespace{output-mapping.hpp}::_def::Rebind< RET(DEF::*)(PId)>

Class Members
typedef RET	Res

Collaboration diagram for _def< DEF >::Rebind< RET(DEF::*)(PId)>: