<chapter><title>How is a stream broadcasted ?</title><sect1><title>What happens when a stream is started ?</title><para>Here is a simplified sequence diagram to show what happens when a "start"command is sent through the telnet interface:<mediaobject>  <imageobject>    <imagedata fileref="stream_start.eps" format="EPS" scalefit="1" scale="90">  </imageobject>  <imageobject>    <imagedata fileref="stream_start.jpg" format="JPG">  </imageobject>  <textobject>    <phrase>Sequence diagram</phrase>  </textobject></mediaobject></para></sect1><sect1><title>How is a TS packet sent ?</title><para><mediaobject>  <imageobject>    <imagedata fileref="stream_send.eps" format="EPS" scalefit="1" scale="90">  </imageobject>  <imageobject>    <imagedata fileref="stream_send.jpg" format="JPG">  </imageobject>  <textobject>    <phrase>Sequence diagram</phrase>  </textobject></mediaobject>The Packet Handler (C_SyncFifo) is shared between two threads: in one thread the Converter pushes TS packets in the fifo, and in another thread the Streamerpops them.</para></sect1></chapter>