Apple Final Cut Pro 5 - Manual (Page 1350)

Chapter 24 Rendering 563
III
Tips for Avoiding Unnecessary Rendering
You can do several things to avoid rendering.
 Edit the majority of your project using cuts only; only add transitions, effects, or
filters that can play back in real time or that are absolutely necessary in making
decisions about your first cut. Avoiding unnecessary effects and time-consuming
rendering can help you focus on your program’s overall pacing and structure. Once
your first cut is done, you can focus on applying effects like color correction and titles
without being distracted.
 Use the Unlimited RT mode and dynamic real-time playback. For more information,
see Chapter 23, “ Using RT Extreme ,” on page 509.
 If you use effects that need to be rendered, you can get a good idea of how the clip
looks by simply scrubbing through the clip in the Timeline or Canvas to view the
effect one frame at a time.
You can also choose Mark > Play > Every Frame (or press Option-\) to play through a
clip one frame at a time, not in real time, and get a slow-motion preview of how the
effect will look.
 When you change the In and Out points of a clip with filters applied, you may need
to rerender the adjusted areas. To avoid constantly rerendering, you can place a clip
with its applied filters into a sequence, and then edit that sequence into other
sequences. This is sometimes called nesting a sequence. Because you modify the
sequence In and Out points instead of the clip within the sequence, the render file
for the clip is maintained. For detailed information about nesting clips using the Nest
Items command, see Volume II, Chapter 23, “Sequence to Sequence Editing.”
 Disable filters that require rendering when you don’t need to view the effects in
order to make decisions.
 Disable the rendering and playback of filters, frame blending, and motion blur
individually, or collectively in the Render Control tab of Sequence Settings. These
options can be reselected at any time.
 Temporarily disable rendering of non-real-time clips. This allows you to make
changes to effects-intensive sequences without having to wait for frames at the
position of the playhead to render for display in the Viewer or Canvas. For more
information, see “
Temporarily Disabling Rendering ” on page 547.
 For cuts-only sequences you’re editing, it’s helpful if all the clips you use match the
sequence’s frame rate, frame size, aspect ratio, and compression settings. While you
can freely mix source clips using different settings within the same sequence, doing
so may decrease the available number of real-time effects you can apply.
If an imported QuickTime file’s frame rate doesn’t match the sequence or its frame
size is larger, it will have to be rendered before it will play back in real time.