Description

Interface to the vault layer: provides functions for querying (opening) a media file, detecting the channels or streams found within this file etc.

Implementation delegating to the actual vault layer functions.

convention: data passed by pointer is owned by the originator; it should be copied if needed beyond the control flow of the invoked function.

Definition at line 66 of file media-access-facade.hpp.

Public Member Functions
virtual ChanDesc	queryChannel (MediaDesc &, uint chanNo) const
	request for information about the n-th channel of the file referred by FileHandle. More...

virtual MediaDesc &	queryFile (string const &name) const
	request for testing the denoted files accessibility More...

Static Public Attributes
static lib::Depend< MediaAccessFacade >	instance
	storage for the SingletonFactory (actually a lumiera::test::MockInjector)

Member Function Documentation

MediaDesc & queryFile ( string const & name ) const

virtual

request for testing the denoted files accessibility

Parameters

name	path and filename of the media file.

Exceptions

error::Invalid when passing empty filename, or in case the media file is inaccessible or otherwise inappropriate.

Returns: opaque handle usable for querying channel information from this file, NULL if the file is not accessible.

Reimplemented in MediaAccessMock.

Definition at line 48 of file media-access-facade.cpp.

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virtual

request for information about the n-th channel of the file referred by FileHandle.

Returns: ChanDesc which may contain NULL values if the file doesn't contain this much channels.

Reimplemented in MediaAccessMock.

Definition at line 58 of file media-access-facade.cpp.

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Inheritance diagram for MediaAccessFacade:

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