Apple Mac OS X Server v10.6 User Manual download pdf (Page 11)

Chapter 1 Podcast Composer Overview 11

How Podcast Composer Works

Podcast Composer groups the process of building a workow into seven stages that

step you through the process of creating a workow:

Stage 1. Information You specify basic workow information: workow name,

workow author’s name, and a brief description of the workow.

Stage 2. Import You tell the workow what to expect as input: a single QuickTime

movie, two QuickTime movies, or a set of documents that are compatible with Quick

Look. The output of this stage is a single QuickTime movie. If the input to this stage is

two movies, Podcast Composer produces a picture-in-picture movie. If the input to this

stage is documents, Podcast Composer produces treats document pages as images

and renders them into a movie with transitions between the images. If a document is

a video, Podcast Composer concatenates it with the other documents as a movie.

Stage 3. Edit You specify how you want to brand the podcast that this workow

produces by adding watermarks, introduction, title, and exit movies. The output of

this stage is called the Edited Master movie. This stage produces a high-quality movie

at the highest possible resolution based on the resolution of the input movies. The

Edited Master movie is a at QuickTime media le that is used in the following stages

of the workow.

Stage 4. Export You select the dierent types of encodings to be used for publishing

your podcast. For example, you might want your podcast to be available in three

avors: iPhone/iPod, Apple TV, and AAC (audio-only).

Stage 5. Publish You determine how the podcast is published. For example, you can

congure the Publish stage to publish the dierent versions of the podcast to the

Podcast Library.

Stage 6. Notify You create the notications that you want the workow to send after

the podcast is published. You can send notications to users and administrators with

instruction on how to access the podcast. You can also send notications to services to

let them know that new content is published to the Podcast Library.

Stage 7. Summary You verify your selections. If no more changes are required, you

deploy the workow to Podcast Producer server.

When working on a particular stage, Podcast Composer keeps the previous and next

stages in view to provide context.

The workow that you generate using Podcast Composer is a le bundle. A workow

bundle contains the code, resources, credentials, workow description, and all the

information needed to execute the workow.

In the Export, Publish, and Notify stages, you can’t have more than nine elements

per stage.

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Apple Mac OS X Server v10.6 User Manual Page 11