Manager responsible for multimedia (audio/video) exporters/importers.

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Inherits :

• QObject

Responsible for the management of multimedia (audio/video) exporters/importers.

There is only one instance of this manager in an application. This instance is created and owned by DzApp. Request the instance via DzApp::getMultiMediaMgr().

See Also:

• Global::App
• DzAudioImporter
• DzAudioClip
• DzVideoExporter
• DzVideoClip

DzAudioImporter : findAudioImporter( String filename )

Uses the filename extension to find an appropriate audio importer.

Return Value:

• An appropriate importer for the given file name, or NULL if none is found. The caller takes ownership of this object and is responsible for deleting it.

DzVideoExporter : findVideoExporter( String filename )

Uses the filename extension to find an appropriate video exporter.

Return Value:

• An appropriate exporter for the given file name, or NULL if none is found. The caller takes ownership of this object and is responsible for deleting it.

DzAudioImporter : getAudioImporter( Number i )

Return Value:

• A new instance of the i'th audio importer in the list. The caller takes ownership of this object and is responsible for deleting it.

Number : getNumAudioImporters()

Return Value:

• The number of audio importers currently supported.

Number : getNumVideoExporters()

Return Value:

• The number of video exporters currently supported.

DzVideoExporter : getVideoExporter( Number i )

Parameter(s):

• i - The index of the exporter to create.

Return Value:

• A new instance of the i'th video exporter in the list. The caller takes ownership of this object and is responsible for deleting it.

void : makeAudioImportFileFilter( DzFileFilter filter, String defaultFilter=“”, Boolean makeAllFilesEntry=true )

Populates the given filter with all the audio types recognized by the multimedia manager.

Parameter(s):

• filter - The filter to populate
• defaultFilter - The filter to set as the default
• makeAllFilesEntry - If true, and additional filter is created for all recognized file extensions.

void : makeVideoExportFileFilter( DzFileFilter filter, String defaultFilter=“” )

Populates the given filter with all the video types recognized by the multimedia manager.

Parameter(s):

• filter - The filter to populate
• defaultFilter - The filter to set as the default

DzError : exportVideoClip( String fileName, DzVideoClip clip, Number exporterIndex=-1 )

Export the clip to a video file.

Parameter(s):

• filename - The name of the file to export to.
• clip - An instance of DzVideoClip containing the data to save.
• exporterIndex - The index of the exporter class to use. If this is less than 0, then the extension of fileName is used to attempt to find an appropriate exporter.

Return Value:

• DZ_NO_ERROR if the file export was successful.

String : getAudioClipLoadPath()

Return Value:

• Last directory that audio files were imported from.

String : getVideoClipSavePath()

Return Value:

• Last directory that video files were exported to.

DzError : importAudioClip( String fileName, DzAudioClip clip, Number importerIndex=-1 )

Import an audio clip from a file.

Parameter(s):

• filename - The name of the file to import from.
• clip - A pointer to a DzAudioClip instance to import the data into.
• importerIndex - The index of the importer class to use. If this is less than 0, then the extension of fileName is used to attempt to find an appropriate exporter.

Return Value:

• DZ_NO_ERROR if the file import was successful.