<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >Object oriented</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79;charset=UTF-8"><LINK REL="HOME" TITLE="GStreamer Application Development Manual (0.10.36)" HREF="index.html"><LINK REL="UP" TITLE="Design principles" HREF="chapter-motivation.html"><LINK REL="PREVIOUS" TITLE="Design principles" HREF="chapter-motivation.html"><LINK REL="NEXT" TITLE="Extensible" HREF="section-goals-extensible.html"></HEAD ><BODY CLASS="section" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" ><SPAN CLASS="application" >GStreamer</SPAN > Application Development Manual (0.10.36)</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="chapter-motivation.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 2. Design principles</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="section-goals-extensible.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="section" ><H1 CLASS="section" ><A NAME="section-goals-object" >2.2. Object oriented</A ></H1 ><P > <SPAN CLASS="application" >GStreamer</SPAN > adheres to GObject, the GLib 2.0 object model. A programmer familiar with GLib 2.0 or GTK+ will be comfortable with <SPAN CLASS="application" >GStreamer</SPAN >. </P ><P > <SPAN CLASS="application" >GStreamer</SPAN > uses the mechanism of signals and object properties. </P ><P > All objects can be queried at runtime for their various properties and capabilities. </P ><P > <SPAN CLASS="application" >GStreamer</SPAN > intends to be similar in programming methodology to GTK+. This applies to the object model, ownership of objects, reference counting, etc. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="chapter-motivation.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="section-goals-extensible.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Design principles</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="chapter-motivation.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Extensible</TD ></TR ></TABLE ></DIV ></BODY ></HTML >