Chapter 4Working with Multilayer and Nested Effects
Using Multilayer Effects
Creating a Key Effect
Creating a YUV Chroma Key Effect
Creating a Luma Key Effect
Creating a Matte Key Effect
Working with Imported Graphics and Animation
Editing with Imported Matte Key Clips
Editing with Imported Master Clips
Nested Effects
Describing Nested Tracks
Nesting a Title Within a Picture-in-Picture
Nesting a Matte Key Effect
Another Nested Effect Technique
Modifying Nested Effects
Submaster Editing
Submaster Editing of Multiple Clips
Submaster Editing of Multiple Effects
Collapsing Layers into One Submaster Effect
op Left to Bottom Right. . . . . . . . . . . . . . . . . . . . . . . 345
Index
15
Introduction
CHAPTER 1
Preparing to Work with
Effects
Avid Xpress offers many effects that you can apply to your sequences.
This chapter describes some of the concepts you must become familiar
with before you begin creating and editing effects into sequences.
The Effect Palette is a window that lists all the effects that are available
on your Avid Xpress system. The effects that are available depend on
the model and options that you purchased.
You also can use third-party plug-in effects that are compatible
with the Avid Visual Extension (AVXª) standards and with
Adobe¨ Photoshop¨. After you install these plug-ins, the effects
appear in the Effect Palette. After you create an effect, you can save it
as an effect template and reapply the template to other transitions or
segments in your sequence. Effect templates also appear in a special
section at the bottom of the Effect Palette.
Many effects are real time, which means you do not have to render
them before you play them. You can preview effects that are not real
time before rendering. Rendering an effect creates a media Þle that
plays with the sequence. When you establish Effect settings and Ren-
16
der settings, you determine how Avid Xpress plays real-time effects
and non-real-time effects. Additionally, you can conÞgure the Timeline
and Trim settings to make working with effects easier.
Effect Palette Overview
You select most effects from the Effect Palette, accessed from the Tools
menu. The exceptions are motion effects that are accessed from the
buttons below the pop-up monitor, the Freeze Frame effect that is
accessed from the Clip menu, and titles that are created with the Title
Tool. For a description of motion effects, see ÒMotion EffectsÓ on
page 278. Titles are described in Chapter 6 and Chapter 7.
List of Effect Categories
The effects available through the Effect Palette are grouped by effect
category:
¥Blend
¥Box Wipe
¥Conceal
¥Edge Wipe
¥Image
¥Key
¥L-Conceal
¥Matrix Wipe
¥Peel
¥Push
¥Saw Tooth Wipe
¥Shape Wipe
17
¥Spin
¥Squeeze
Each of these effect categories contains multiple effects. Use the procedure in the following section to display the Effect Palette.
n
n
If your Avid Xpress system has the 3D Effects option, the 3D Effect category
appears in the Effect Palette. For an explanation of the 3D effects and the
effect parameters, see Chapter 5.
If you install third-party plug-ins, you will see additional effect categories.
See ÒThird-Party Plug-in Effects OverviewÓ on page 20.
Displaying the Effect Palette
1. Choose Effect Palette from the Tools menu, or press kÐ8.
The Effect Palette appears.
Scrollable list of
effect categories
Blend effect
choices
The left side of the Effect Palette displays a scrollable list of effect
categories. The right side shows the various effects that are available for the currently selected effect category.
2. Click an effect category to select it.
18
Effect T emplates Overview
Effect templates allow you to save the parameters of an effect and use
them again to create or modify other effects.
In addition to allowing you to view all the standard effects, the Effect
Palette allows you to view and access effect templates that are stored
in open bins. The names of open bins containing effects appear in a list
below the effect categories.
To view the effect template:
1. Open the bins containing the effect templates.
Effect category list
Bin name containing
effect templates
2. Choose Effect Palette from the Tools menu, or press kÐ8.
The Effect Palette appears.
Effect templates
3. Click the bin name below the effect category list to view the effect
templates in the bin.
19
For example, in the previous illustration, the bin named Boat Shop
Examples contains two effect templates named Bottom To Top and
3D PIP.
n
In the previous illustration, notice that Avid Xpress also displays other effect
Þles, such as titles and matte key clips.
Whenever you open or close a bin, or whenever you drop an effect
into a bin, both lists are automatically updated.
Once a template appears in the right side of the Effect Palette, you can
apply it like any other effect. For more information, see ÒUsing an
Effect TemplateÓ on page 82.
Third-Party Plug-in Effects Overview
You can use third-party plug-in effects that add new effects to Avid
Xpress or update existing effects, with no changes to Avid Xpress.
Third-party plug-in effects include plug-ins that are compatible with
Adobe Photoshop Version 2.5 and AVX (Avid Visual Extension) plugins.
When third-party plug-in effects are installed on your Avid Xpress
system, they appear in the Effect Palette. You can apply them to your
sequence as you would apply an Avid effect. You can set a third-party
plug-in effectÕs parameters in Effect mode. You can view and render
third-party plug-in effects using the same editing procedures as Avid
effects. The following sections describe how to install the Photoshopcompatible plug-ins and the AVX plug-ins.
n
Avid Xpress also supports Digidesign AudioSuite Plug-Ins. These plug-ins
apply only to audio clips and do not appear in the Effect Palette. For more
information, see ÒWorking with AudioÓ under ÒEditing SequencesÓ in the
Contents tab of the online help.
20
Installing Photoshop-Compatible Plug-in Effects
Avid Xpress can use many plug-in effects that are compatible with
Adobe Photoshop Version 2.5. You purchase these plug-ins directly
from a third-party vendor.
To install Photoshop-compatible plug-ins:
1. Copy the plug-in Þles from the software vendorÕs folder to the
Ò3rd Party Plug-InsÓ folder in the Supporting Files folder in your
Composer folder located on the Avid drive. You must place the
plug-ins directly in this folder. They cannot be inside another
folder within this folder or elsewhere on Avid Xpress. If they are,
the system will not recognize them.
2. If the Avid Xpress application is open, you must quit the application and relaunch it before the third-party plug-in effects will
appear in the Effect Palette.
The following is an example of how third-party plug-in effects appear
in the Effect Palette.
Avid Xpress creates a
new effect category for
the plug-ins.
Third-party
plug-in effects
For information on applying third-party effects, see ÒApplying a
Third-Party Plug-in EffectÓ on page 38.
21
Installing AVX Plug-in Effects
AVX is a plug-in standard for integrating various third-party effects
with Avid Xpress. AVX is a cross-platform software architecture
designed to allow software effect modules to be dynamically linked
with a host application such as Avid Xpress.
You can purchase these plug-ins directly from a third-party vendor,
such as Ultimatte¨ Corporation (Ultimatteª) and Artel Software
(Boris FXª). AVX plug-ins usually come complete with any necessary
documentation. This section describes how to install the plug-ins and
how to access them from Avid Xpress.
To install AVX plug-ins:
1. Exit the Avid Xpress application.
2. Copy the plug-in Þles from the software vendorÕs folder to the
AVX_Plug-Ins folder on the Avid drive.
You must place the plug-ins directly in the AVX_Plug-Ins folder.
They cannot be inside another folder within this folder or else-
22
where on Avid Xpress. If they are, the system will not recognize
them.
3. Restart Avid Xpress and open the Effect Palette. The AVX plug-in
effects will appear in the Effect Palette under a new effect category.
The category is usually identiÞed by the vendor name.
c
Effect category
n
Do not add or remove plug-ins while the Avid Xpress application is
running.
The following is an example of how AVX plug-in effects appear in
the Effect Palette. This example shows several Boris effects.
Effects
For information on applying third-party effects, see ÒApplying a
Third-Party Plug-in EffectÓ on page 38.
Some plug-in effects come with their own installation program. In that case,
follow the directions supplied with the package.
23
Troubleshooting AVX Plug-ins
This section describes solutions to problems that you may encounter
with AVX plug-ins.
Blank Effect Icons in the Timeline
AVX plug-ins have a plug icon in the Effect Palette and in the Timeline.
If the Effect icon in the Timeline is blank, Avid Xpress either could not
Þnd the plug-in or the plug-in version doesn't match the version of
software that you used to create the plug-in.
To determine the cause of the problem, open the Console window
(choose Console from the Tools menu) and look for the message ÒCan't
Þnd effect.Ó The message will identify the plug-in that can't be displayed.
The following are the most common problems:
¥The plug-in may be missing from the AVX_Plug-Ins folder. Open
the AVX_Plug-Ins folder (located in the SupportingFiles folder)
and look for your plug-in. If it is missing, replace it. This may
involve reinstalling the plug-In.
¥The plug-In in the AVX_Plug-Ins folder may be incompatible with
the effect in the Timeline. This might happen if you update the
plug-ins on your system. For example, if you create an effect with
Version 1.1 of the plug-in software and then update your plug-ins
to Version 2.5, the new software may not be compatible with the
old effect.
Plug-ins should be compatible with minor releases but not necessarily with major releases of the plug-in software. For example,
Version 1.0 of a plug-in should be compatible with Version 1.1 or
1.2 (minor revision). But Version 1.0 may not be compatible with
Version 2.0 (major revision change).
24
If the plug-in is installed correctly, contact the plug-in vendor and ask
if there are any known version compatibility problems with the plugin.
Missing Effect Categories in the Effect Palette
If the plug-in categories are not visible in the Effect Palette, they are
either not installed correctly or you may have an incorrect version of
the AVXLibrary. In this case, check the Console window for a message
that states that AVX was disabled. If it was not disabled, quit the Avid
Xpress application, reinstall the plug-ins, and restart the application.
If the message in the Console window states that AVX software was
disabled, call Avid Customer Support to determine whether you need
a new version of the AVXLibrary.
Avid Xpress Cannot Render the Plug-In
If Avid Xpress cannot render the plug-in, check the Console window.
Some plug-ins write more information about the failure to the Console
window. Also, some plug-ins may report the problem as a message at
the bottom of the Composer monitor. In general, contact the plug-in
vendor if a plug-in doesnÕt work as expected.
25
Settings for Effects
There are two User settings that control how effects are used: Effect
and Render. This section explains each of these settings. For information about other settings in the system, see the Avid Xpress online
help.
Effect Settings
There are two effect categories, Wipes and Keys, that contain effects
that are mutually exclusive as real-time effects. If you have both effect
categories in a sequence, only one can be real time. The other must be
rendered. Use the Effect Settings dialog box to specify which effect category should be real time.
n
Because Wipes and Keys are real-time effects on Avid Xpress systems with the
3D Effects option, the Effect settings do not apply to these systems. If you
have the 3D Effects option, continue with ÒUnderstanding the Color Cod-
ingÓ on page 27.
To change the Effect settings:
1. Click the Settings button in the Project window.
2. Double-click the Effect setting.
The Effect Settings dialog box appears.
26
3. Select which effect category you want to be real time. The change
takes place immediately in the Effect Palette.
Understanding the Color Coding
The Effect settings also control how effects are displayed in the Effect
Palette. You will notice in the Effect Palette that:
¥Real-time effects are preceded by an orange dot.
¥Real-time effects that might not be playable in real time due to
their position in a sequence or the options chosen in the Effect
Settings are preceded by a green dot. These effects take advantage
of fast rendering.
¥Non-real-time effects have no dot.
Orange dot indicates a
real-time effect.
Green dot indicates a
real-time effect that might
not be playable in real time.
No dot indicates a nonreal-time effect.
In the Timeline, a non-real-time effect icon contains
a blue dot until the effect is rendered.
27
Render Settings
A real-time effect might not be playable in real time because of the
projectÕs Effect Setting, because a real-time transition effect has been
applied on top of another effect, or because there is more than one realtime overlapping effect.
For more information on real-time effects, see ÒReal-Time EffectsÓ on
page 32.
You can control the size of an imported graphic and a rendered effect
by changing the Render settings. This setting is intended to prevent
playback pauses caused by PICT images, QuickTimeª Þles, or rendered composites that are too complex.
To change the Render settings:
1. Click the Settings button in the Project window.
2. Double-click the Render setting.
The Render Settings dialog box appears.
28
3. Enter the following parameters:
¥Click Show Intermediate Results if you want Avid Xpress to
display the rendering of the effect as it processes in the fullscreen monitor. This option is for systems that have a third,
full-screen monitor.
¥Limit rendered frame size to n% of default limit Ñ This is a
percent of the Avid Video ResolutionÕs (AVRÕs) default limit
for the frame size. The effectÕs AVR is the same as the
sequenceÕs AVR. Enter a percent. The default is 100%. For
more information on Avid Video Resolution, see ÒAvid SpeciÞcationsÓ under ÒQuick ReferenceÓ in the Contents tab of the
online help.
¥If frame size exceeds threshold Ñ The threshold is established
by the above percent. Select an action. The default is ÒAsk
me.Ó
If you select ÒAsk me,Ó and the threshold is exceeded during
rendering, a dialog box appears.
If you select ÒDonÕt Soften,Ó you may get an error message,
such as a video underrun, when you play the rendered Þle.
If you do not respond within 30 seconds, the system automatically selects Soften.
29
CHAPTER 2
Basics of Effects Editing
This chapter explains how to apply effects to transitions or segments
(clips) in your sequence. After you have selected the effect and applied
it to a transition or segment, you can adjust the effect parameters to
meet your requirements.
Task Overview — Working with Effects
The following is an overview of the tasks you will perform to create
and edit an effect:
¥Load a sequence in the Timeline.
¥Select a position in the Timeline for the effect.
¥Apply the effect.
¥Adjust the effectÕs parameters to create the desired effect.
¥Render non-real-time effects. If the effect is a real-time effect, you
can play it without having to render the effect.
30
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