Inside Macintosh: QuickTime Components /

Chapter 6 - Sequence Grabber Channel Components / Sequence Grabber Channel Components Reference

Functions / Configuration Functions for All Channel Components

SGGetChannelMatrix

The SGGetChannelMatrix function allows the sequence grabber to retrieve your channel's display transformation matrix.

pascal ComponentResult SGGetChannelMatrix (SGChannel c,
                                           MatrixRecord *m);

c

Identifies the channel connection for this operation.

m

Contains a pointer to a matrix structure, as defined by the Movie Toolbox (see "Movie Toolbox" in Inside Macintosh: QuickTime for more information about matrix structures). Place your current matrix values into this matrix structure.

SEE ALSO

The sequence grabber may set your channel's matrix by calling the SGSetChannelMatrix function, which is discussed in the previous section.

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