gstreamer/docs/manual/connections.sgml

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<chapter id="cha-connections">
<title>Connecting elements</title>
<para>
You can connect the different pads of elements together so that the elements
form a chain.
</para>
<figure float="1" id="sec-connection">
<title>Visualisation of three connected elements</title>
<graphic fileref="images/connected-elements" format="png"></graphic>
</figure>
<para>
By connecting these three elements, we have created a very simple pipeline. The effect
of this will be that the output of the source element (element1) will be used as input
for the filter element (element2). The filter element will do something with the data and
send the result to the final sink element (element3).
</para>
<para>
Imagine the above graph as a simple mpeg audio decoder. The source element is a
disk source, the filter element is the mpeg decoder and the sink element is your
audiocard. We will use this simple graph to construct an mpeg player later
in this manual.
</para>
</chapter>