Inside Macintosh: QuickTime Components /

Chapter 5 - Sequence Grabber Components / Sequence Grabber Components Reference

Sequence Grabber Component Functions / Video Channel Callback Functions

SGSetVideoBottlenecks

The SGSetVideoBottlenecks function assigns callback functions to a video channel.

pascal ComponentResult SGSetVideoBottlenecks (SGChannel c,
                                              VideoBottles *vb);

c

Specifies the reference that identifies the channel for this operation. You obtain this reference from the SGNewChannel function, described on page 5-29.

vb

Contains a pointer to a video bottlenecks structure (defined by the VideoBottles data type). That structure identifies the callback functions to be assigned to this video channel. The video bottlenecks structure is described on page 5-100.

DESCRIPTION

The SGSetVideoBottlenecks function accepts a video bottlenecks structure that identifies the callback functions to be assigned to the channel.

SPECIAL CONSIDERATIONS

Your application should not call this function during a record or playback operation.

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