steam::play Namespace Reference

Description

Playback and rendering control subsystem.

The so called "player" combines and orchestrates services from the engine, session and vault to perform playback or rendering

Namespaces

Typedefs
typedef function< Feed(ModelPort)>	FeedBuilder
typedef FrameCnt	FrameID
typedef lib::IterSource< ModelPort >::iterator	ModelPorts
typedef POutputManager	Output
typedef std::vector< Feed >	OutputFeeds
typedef shared_ptr< OutputManager >	POutputManager
typedef EngineService::QoS_Definition	RenderQuality

Enumerations
enum	PlaybackUrgency {   ASAP,   NICE,   TIMEBOUND }

Classes
class	DataSink
	denotes an opened connection ready to receive media data for output. More...
class	DiagnosticOutputSlot
	Helper for unit tests: Mock output sink. More...
class	DummyPlayerService
	Actual implementation of the DummyPlayer service. More...
class	Feed
	Rendering data feed, corresponding to a single global pipe and to be delivered into a single OutputSlot. More...
class	OutputDirector
	Management of external Output connections. More...
class	OutputManager
	Management of external Output connections. More...
class	OutputSlot
	Interface: Generic output sink. More...
class	OutputSlotImplBase
	Base for OutputSlot standard implementation. More...
class	PlayController
	TODO do we still need that?????? Isn't lumiera::Play::Controller already sufficient? More...
class	PlayProcess
	Playback/Render process within the Lumiera Player. More...
class	PlayService
	Implementation access point: Player subsystem. More...
class	ProcessImpl
	Actual implementation of a single (dummy) playback process. More...
class	ProcessTable
class	RenderConfigurator
	Strategy for configuring the render process. More...
class	Timings
	Generic frame timing specification. More...
class	TrackingInMemoryBlockSequence
	Diagnostic output connection for a single channel, allowing to track generated frames and verify the processing protocol for output buffers. More...

Functions
RenderConfigurator::ConnectFunction	buildRenderConfiguration (POutputManager outputPossibilities, Timings playbackTimings)
	Factory function to build a RenderConfigurator specifically tailored for a PlayProcess, about to be started. More...

Function Documentation

buildRenderConfiguration()

RenderConfigurator::ConnectFunction buildRenderConfiguration	(	POutputManager	outputPossibilities,
		Timings	playTimings
	)

Factory function to build a RenderConfigurator specifically tailored for a PlayProcess, about to be started.

this builder function is used by the PlayService when it comes to creating a new PlayProcess. The generated ConnectFunction treats a single ModelPort to produce a suitable rendering setup, pulling data from this port; it thus embodies the specific knowledge how to configure and setup the rendering or playback at the EngineFacade, based on the playback speed and quality desirable for this playback process to be initiated.

Remarks

building a special subclass here and managing this instance by smart-ptr. Then wrapping all of this up into a functor, which can thus be passed on by value. This functor will later on be used to transform each desired model port into a suitable output connection, where the actual output will be resolved through the given OutputManager

Parameters

outputPossibilities	an OutputManager instance describing the situation where output is about to be generated (e.g. a viewer in the GUI or a file to be rendered)
playbackTimings	characterisation of the kind of play/render. Besides the required delivery interval, this might also define quality-of-service expectations.

Returns

the public access point to an RenderConfigurator, wrapped as generic function object

Definition at line 152 of file render-configurator.cpp.

References RenderConfigurator::buildActiveFeed(), and steam::play::anonymous_namespace{render-configurator.cpp}::how_to_render().

Referenced by PlayService::connect().

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