In the name of Vod

You’ve heard of Podcasting – the act of making a radio show or other audio file available via iTunes. Well, now you can do it with video, and we can show you how.

Podcasts are so last month. If you really want to be in on the latest creative craze, you’ll turn your attention (and camcorder) to vodcasts – Video-On-Demand-casts. No, this isn’t stuff of the future. By following these steps, you can create and distribute a downloadable vodcast today.

The technology behind vodcasting is the same as the magic that makes up podcasting – RSS. By preparing your movies properly and creating the right feed, you can offer your audience video on demand through an application familiar to us all – iTunes 4.9. This version supports playback of local and streamed video. Here’s how to go about creating and distributing a vodcast of your own.

Tools you’ll need

* You’ll need some kind of server connected to the Internet (this can be your iDisk, although the faster and more sustainable the server connection, the better)
* A Web site for hosting the XML file that allows iTunes access to your video
* QuickTime Pro 7 (for encoding your video in a format such as H.264)

Step 1: Create a movie

Vodcasting is nothing without video. Use your video editing application’s Export command to save the movie in H.264 format and get great looking video at a smallish size.

Step 2: Compress the movie

Open the movie in QuickTime Player Pro 7. Choose Export from the File menu and in the resulting Save Exported File As dialog box, choose Movie to MPEG-4 from the Export pop-up menu. Click the Options button and in the MP4 Export Settings window that appears, choose MP4 from the File Format pop-up menu. In the Video Format pop-up menu select H.264.

To keep file size smaller, select a modest image size (say 240 x 180) and a frame rate of 15 fps. (Of course, if you’re delivering a small file to begin with, feel free to increase the image size and frame rate.)

Click the Audio tab and make sure that AAC-LC (Music) is selected in the Audio Format pop-up menu and choose a modest data rate from that pop-up menu (48 kbps, for example). You’ll save even more space if you choose Mono from the Channels pop-up menu and an output sample rate of 32.000kHz.

Click the Streaming tab and enable the Enable Streaming option. Click OK to dismiss the window and click Save in the Save Exported File As window to compress your video. Compessing the movie could take quite a while if it’s long and large.

Step 3: Put it on the server

Mount the server from which the movie will be delivered and place the compressed movie file in a download directory for your Web site – for example, /Library/WebServer/Documents/yoursitename.

If you don’t have a server, you can use your iDisk. To do so, mount your iDisk and place the movie file in the Sites folder.

Step 4: Create the XML file

The XML file you create will allow iTunes to access your movie. In the text box below you’ll find an example file to get you started. Simply copy the code from the box below, paste it into a plain text TextEdit document, replace the example entries with entries that match your needs (for example, Your Movie Title should be replaced with the real title of your movie), save the file with the .xml extension – myvodcast.xml, for example – and you’re good to go.

<?xml version="1.0" encoding="UTF-8"?> <rss xmlns:itunes="" version="2.0"> <channel> <title>Vodcast’s Title Here</title> <itunes:author>Your Name Here</itunes:author> <link></link> <description>A description of your vodcast’s channel</description> <itunes:subtitle>A subtitle for your vodcast’s channel</itunes:subtitle> <itunes:summary>A summary of your vodcast channel</itunes:summary> <language>EN</language> <copyright>(c) 2005 Your Name</copyright> <itunes:owner> <itunes:name>Your Name</itunes:name> <itunes:email></itunes:email> </itunes:owner> <category>Technology</category> <itunes:category text="Technology"></itunes:category> <item> <title>Your Movie Title</title> <itunes:author>Your Name</itunes:author> <description>A description of this movie</description> <itunes:subtitle>A subtitle about this movie</itunes:subtitle> <itunes:summary>A summary of your movie</itunes:summary> <enclosure url="" length="1024" type="video/mov" /> <guid></guid> <pubDate>Tues, 25 July 2005 10:00:00 GMT</pubDate> <itunes:explicit>no</itunes:explicit> <itunes:duration>00:01:35</itunes:duration> <itunes:keywords>keyword1, keyword2, keyword3</itunes:keywords> </item> </channel> </rss>

Note that you’ll need to fill in the length of your movie in the itunes:duration area of the xml file. To learn the length of your movie, open it in QuickTime Player, drag the playback bar to the end of the movie, and look at the timecode readout. Enter this number in hours:minutes:seconds. You may also want to add keywords so that search engines and Web masters can more easily index the content of your movie.

Step 5: Place the XML file

Place the completed XML file in the same directory as your movie. If you’re using your iDisk, place the XML file in the Sites folder.

Step 6: Test in your browser

Launch your browser and enter the address to your XML file in this form: A page should appear that lists the title of your vodcast at the top along with a Read More link that, when clicked, takes you to a page where you can view your movie. The URL in the Address field should have changed so that feed replaces http, as in: feed://

Step 7: Check it in iTunes

Launch iTunes 4.9 and select Subscribe to Podcast from the Advanced menu. Enter a URL along these lines: where yoursitename is the name of your Web site and vodcast.xml is the name of your vodcast’s XML file –, for example. If you’re doing this via iDisk, you’d type something like

When you enter this URL in the Subscribe to Podcast window and then click OK, an entry for the vodcast will appear in the Podcast playlist within iTunes’ main window and the video will begin downloading to your computer. Click the Play button and the video plays in the small video window in the lower left corner of the iTunes window. Click on this window and the video appears in a larger, separate window. Control-click (Mac) or Right-click (Windows) on this window and choose Full Screen to view the video at full screen.

Step 8: Let the world know

Send the link to your vodcast to your nearest, dearest, colleagues, contacts, and those you simply wish to make jealous and instruct them to enter that URL in the Subscribe to Podcasts window to view your work. Your video will appear in iTunes’ Podcasts area.

Important note: Video files are generally quite large and delivering a popular vodcast is going to burn up a load of bandwidth. Before going into the vodcast business, find a way to fund the bandwidth necessary to deliver your movies.

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