What's New in QuickTime 5

QuickTime VR Object Movie Compressor

The QuickTime VR Object Movie Compressor, a movie export component, takes a multirow object movie and compresses frames in multidimensions with the goal of making the file smaller. It includes the user settings dialog box shown in Figure 33 .

Figure 33 The new QTVR Object Compression user Settings dialog box

The user settings for the QuickTime VR Object Movie Compressor include:

The Standard Compression Setting, which is set by clicking on the Compression Setting button.
The target file size of the compressed VR object movie, which is specified as:



 
kQTVRObjExporterSettingsTargetSize = FOUR_CHAR_CODE('tsiz')

The Block Size Setting, which can also be set from a QT atom container, controls the dimensions of the compression:



 
    long: blockSize

    type: `bsiz'

    Valid Value: 1, 2, 3, 4 which correspond to the block size of 

                 1x1, 3x3, 5x5, 7x7

What's New in QuickTime 5