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Architecture.html
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<!DOCTYPE html>
<html lang="en">
<head>
<base href=".">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Architecture</title>
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<p><b>The Pitivi Developer Documentation</b></p>
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<h1 id="architecture">Architecture</h1>
<p>The image on the right should give you a general idea of what
technologies Pitivi depends on.</p>
<p><img src="images/Architecture_2015.png" alt="Main Pitivi dependencies" id="main-pitivi-dependencies"></p>
<p>The Pitivi <strong>user interface</strong> is made using GTK+, a toolkit for creating
graphical user interfaces using widgets and event handling.</p>
<p>The <strong>backend</strong> is made of the following components:</p>
<ul>
<li>
<a href="GES.html">GES</a> (GStreamer Editing Services), a library
wrapping Non-Linear Engine to offer
a higher level friendly API for video editing. Non-Linear Engine is
media-agnostic and has no notions of video editing. Non-Linear
Engine is basically composed of a few thread-safe GStreamer plugins
which allow compositing and mixing and translating the project's
timeline dynamically into a GStreamer pipeline.</li>
<li>
<a href="http://en.wikipedia.org/wiki/GStreamer">GStreamer</a>, a multimedia
framework that allows us to do anything multimedia-related. It is
very flexible and uses elements that are packaged in the form of
plugins. These elements can be codecs/muxers/demuxers/effects, etc.</li>
</ul>
<p>Ultimately, all the components above are based on GLib and communicate
through its signals.</p>
<ul>
<li>GLib is a low level C library that provides fundamental types and
algorithms. It is a base upon which everything is constructed. Since
we interact with GStreamer through <a href="GES.html">GES</a>, in Pitivi
we can see the GLib basic types (gboolean, gchar, gint, gfloat,
gdouble etc).</li>
<li>
<a href="http://lazka.github.io/pgi-docs/#GObject-2.0">GObject</a> is a part of
GLib that provides an object-oriented framework for C.</li>
</ul>
</div>
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<p><b>Subpages:</b></p>
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</div>
<p>
<a href="GES.html">GES</a>
</p>
</div>
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<p>The results of the search are</p>
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<a href="https://gitlab.gnome.org/GNOME/pitivi/edit/master/docs/Architecture.md" data-hotdoc-role="edit-button">Edit on GitLab</a>
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