Streaming Real Media Via HTTP
NOTE: Now that RealNetworks offers a free license for their
RealSystem Server, there is little reason for streaming Real Media via HTTP.
Instead, you should install the RealSystem Server
and "serve" the RealAudio/RealVideo content
rather than "stream" the content via HTTP (which is what is explained below).
Many Virtual Server users want to offer RealAudio and RealVideo
streams but do not want to install the
RealSystem Server that
streams these files. Streaming files means that the RealAudio
and RealVideo files begin playing before the entire file is
downloaded. RealAudio and RealVideo files can be quite large and
many people surfing the web would not wait to see the entire file
download before it started playing.
A RealAudio/Video server allows you to offer these streamed files.
However, you can also stream these files without the RealAudio/Video
server. It isn't quite as nice as using the server, but it will
cost you no money. It is known as HTTP streaming.
To stream RealAudio and RealVideo content using HTTP
from your Virtual Server, do the following.
Add the following two
(if necessary) to your
audio/x-pn-realaudio rm ra ram
If you choose to FTP this file and edit it on your local machine with
a text editor (such as Notepad), be sure you FTP it in ASCII mode since it
is a text file.
Copy your encoded RealAudio and RealVideo files (files with
the .rm and .ra extensions) to your Virtual Server using FTP. Be
sure to FTP these files in Binary mode.
Use a text editor to create a metafile containing a RealAudio or
RealVideo URL. For example, the contents of your metafile should be in the
- Save the metafile as a text file with the
.ram extension. For example:
Then FTP this file to your Virtual Server in ASCII mode (because it is
a text file).
In your HTML document, reference the metafile in a hyperlink.
You can use relative or complete paths. If you use complete paths, you
must include both the hostname and the complete path.
When a user clicks on the link, the audio/video file(s) begin
to download. The RealPlayer begins playing after a few seconds; it
does not need to wait for the entire file to be downloaded.
Here are a few working examples:
Audio Clip Example
Video Clip Example (takes longer to start)
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