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><H1
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><A
NAME="AEN2"
><SPAN
CLASS="application"
>GStreamer</SPAN
> Application Development Manual</A
></H1
><H3
CLASS="author"
><A
NAME="AEN4"
></A
>Wim Taymans</H3
><H3
CLASS="author"
><A
NAME="AEN10"
></A
>Steve Baker</H3
><H3
CLASS="author"
><A
NAME="AEN16"
></A
>Andy Wingo</H3
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> This material may be distributed only subject to the terms and
conditions set forth in the Open Publication License, v1.0 or later (the
latest version is presently available at <A
HREF=" http://www.opencontent.org/openpub/"
TARGET="_top"
>http://www.opencontent.org/openpub/</A
> )
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><DIV
CLASS="TOC"
><DL
><DT
><B
>Table of Contents</B
></DT
><DT
>I. <A
HREF="part-overview.html"
>Overview</A
></DT
><DD
><DL
><DT
>1. <A
HREF="chapter-intro.html"
>Introduction</A
></DT
><DD
><DL
><DT
>1.1. <A
HREF="chapter-intro.html#section-intro-what"
>What is GStreamer?</A
></DT
></DL
></DD
><DT
>2. <A
HREF="chapter-motivation.html"
>Motivation</A
></DT
><DD
><DL
><DT
>2.1. <A
HREF="chapter-motivation.html#section-motivation-problems"
>Current problems</A
></DT
></DL
></DD
><DT
>3. <A
HREF="chapter-goals.html"
>Goals</A
></DT
><DD
><DL
><DT
>3.1. <A
HREF="chapter-goals.html#section-goals-design"
>The design goals</A
></DT
></DL
></DD
></DL
></DD
><DT
>II. <A
HREF="part-basic-concepts.html"
>Basic Concepts</A
></DT
><DD
><DL
><DT
>4. <A
HREF="chapter-elements.html"
>Elements</A
></DT
><DD
><DL
><DT
>4.1. <A
HREF="chapter-elements.html#section-elements-design"
>What is an element ?</A
></DT
><DT
>4.2. <A
HREF="section-elements-types.html"
>Types of elements</A
></DT
></DL
></DD
><DT
>5. <A
HREF="chapter-pads.html"
>Pads</A
></DT
><DD
><DL
><DT
>5.1. <A
HREF="chapter-pads.html#section-pads-type"
>Types of pads</A
></DT
><DT
>5.2. <A
HREF="section-caps.html"
>Capabilities of a pad</A
></DT
></DL
></DD
><DT
>6. <A
HREF="chapter-plugins.html"
>Plugins</A
></DT
><DT
>7. <A
HREF="chapter-links.html"
>Linking elements</A
></DT
><DT
>8. <A
HREF="chapter-bins.html"
>Bins</A
></DT
><DT
>9. <A
HREF="chapter-buffers.html"
>Buffers</A
></DT
><DT
>10. <A
HREF="chapter-states.html"
>Element states</A
></DT
><DD
><DL
><DT
>10.1. <A
HREF="chapter-states.html#section-states"
>The different element states</A
></DT
><DT
>10.2. <A
HREF="section-states-null.html"
>The NULL state</A
></DT
><DT
>10.3. <A
HREF="section-states-ready.html"
>The READY state</A
></DT
><DT
>10.4. <A
HREF="section-states-paused.html"
>The PAUSED state</A
></DT
><DT
>10.5. <A
HREF="section-states-playing.html"
>The PLAYING state</A
></DT
></DL
></DD
></DL
></DD
><DT
>III. <A
HREF="part-basic-api.html"
>Basic API</A
></DT
><DD
><DL
><DT
>11. <A
HREF="chapter-initialisation.html"
>Initializing <SPAN
CLASS="application"
>GStreamer</SPAN
></A
></DT
><DD
><DL
><DT
>11.1. <A
HREF="chapter-initialisation.html#AEN415"
>The popt interface</A
></DT
></DL
></DD
><DT
>12. <A
HREF="chapter-elements-api.html"
>Elements</A
></DT
><DD
><DL
><DT
>12.1. <A
HREF="chapter-elements-api.html#section-elements-create"
>Creating a GstElement</A
></DT
><DT
>12.2. <A
HREF="section-elements-properties.html"
>GstElement properties</A
></DT
><DT
>12.3. <A
HREF="section-elements-signals.html"
>GstElement signals</A
></DT
><DT
>12.4. <A
HREF="section-elements-factories.html"
>More about GstElementFactory</A
></DT
></DL
></DD
><DT
>13. <A
HREF="chapter-pads-api.html"
>Pads</A
></DT
><DD
><DL
><DT
>13.1. <A
HREF="chapter-pads-api.html#section-pads-api-type"
>Types of pads</A
></DT
><DT
>13.2. <A
HREF="section-api-caps.html"
>Capabilities of a pad</A
></DT
></DL
></DD
><DT
>14. <A
HREF="chapter-plugins-api.html"
>Plugins</A
></DT
><DT
>15. <A
HREF="chapter-links-api.html"
>Linking elements</A
></DT
><DD
><DL
><DT
>15.1. <A
HREF="chapter-links-api.html#section-link-basic"
>Making simple links</A
></DT
><DT
>15.2. <A
HREF="section-link-filtered.html"
>Making filtered links</A
></DT
></DL
></DD
><DT
>16. <A
HREF="chapter-bins-api.html"
>Bins</A
></DT
><DD
><DL
><DT
>16.1. <A
HREF="chapter-bins-api.html#section-bin-create"
>Creating a bin</A
></DT
><DT
>16.2. <A
HREF="section-bin-adding.html"
>Adding elements to a bin</A
></DT
><DT
>16.3. <A
HREF="section-bin-custom.html"
>Custom bins</A
></DT
><DT
>16.4. <A
HREF="section-bin-ghostpads.html"
>Ghost pads</A
></DT
></DL
></DD
><DT
>17. <A
HREF="chapter-buffers-api.html"
>Buffers</A
></DT
><DT
>18. <A
HREF="chapter-states-api.html"
>Element states</A
></DT
><DD
><DL
><DT
>18.1. <A
HREF="chapter-states-api.html#section-states-api"
>Changing element state</A
></DT
></DL
></DD
></DL
></DD
><DT
>IV. <A
HREF="part-build-app.html"
>Building an application</A
></DT
><DD
><DL
><DT
>19. <A
HREF="chapter-hello-world.html"
>Your first application</A
></DT
><DD
><DL
><DT
>19.1. <A
HREF="chapter-hello-world.html#section-hello-world"
>Hello world</A
></DT
><DT
>19.2. <A
HREF="section-hello-world-compile.html"
>Compiling helloworld.c</A
></DT
><DT
>19.3. <A
HREF="section-hello-world-conclusion.html"
>Conclusion</A
></DT
></DL
></DD
><DT
>20. <A
HREF="chapter-factories.html"
>More on factories</A
></DT
><DD
><DL
><DT
>20.1. <A
HREF="chapter-factories.html#section-factories-helloworld-problems"
>The problems with the helloworld example</A
></DT
><DT
>20.2. <A
HREF="section-factories-mime.html"
>More on MIME Types</A
></DT
><DT
>20.3. <A
HREF="section-factories-gstreamer-types.html"
>GStreamer types</A
></DT
><DT
>20.4. <A
HREF="section-factories-create.html"
>Creating elements with the factory</A
></DT
><DT
>20.5. <A
HREF="section-factories-basic-types.html"
>GStreamer basic types</A
></DT
></DL
></DD
></DL
></DD
><DT
>V. <A
HREF="part-advanced.html"
>Advanced <SPAN
CLASS="application"
>GStreamer</SPAN
> concepts</A
></DT
><DD
><DL
><DT
>21. <A
HREF="chapter-threads.html"
>Threads</A
></DT
><DD
><DL
><DT
>21.1. <A
HREF="chapter-threads.html#section-threads-constraints"
>Constraints placed on the pipeline by the GstThread</A
></DT
><DT
>21.2. <A
HREF="section-threads-when.html"
>When would you want to use a thread?</A
></DT
></DL
></DD
><DT
>22. <A
HREF="chapter-queues.html"
>Queues</A
></DT
><DT
>23. <A
HREF="chapter-cothreads.html"
>Cothreads</A
></DT
><DD
><DL
><DT
>23.1. <A
HREF="chapter-cothreads.html#section-chain-based"
>Chain-based elements</A
></DT
><DT
>23.2. <A
HREF="section-loop-based.html"
>Loop-based elements</A
></DT
></DL
></DD
><DT
>24. <A
HREF="chapter-scheduler.html"
>Understanding schedulers</A
></DT
><DT
>25. <A
HREF="chapter-clocks.html"
>Clocks in GStreamer</A
></DT
><DT
>26. <A
HREF="chapter-dynamic.html"
>Dynamic pipelines</A
></DT
><DT
>27. <A
HREF="chapter-typedetection.html"
>Type Detection</A
></DT
><DT
>28. <A
HREF="chapter-autoplug.html"
>Autoplugging</A
></DT
><DD
><DL
><DT
>28.1. <A
HREF="chapter-autoplug.html#AEN947"
>Using autoplugging</A
></DT
><DT
>28.2. <A
HREF="section-autoplug-cache.html"
>Using the <CODE
CLASS="classname"
>GstAutoplugCache</CODE
> element</A
></DT
><DT
>28.3. <A
HREF="section-autoplugging-spider.html"
>Another approach to autoplugging</A
></DT
></DL
></DD
><DT
>29. <A
HREF="chapter-hello2.html"
>Your second application</A
></DT
><DD
><DL
><DT
>29.1. <A
HREF="chapter-hello2.html#AEN995"
>Autoplugging helloworld</A
></DT
></DL
></DD
><DT
>30. <A
HREF="chapter-dparams.html"
>Dynamic Parameters</A
></DT
><DD
><DL
><DT
>30.1. <A
HREF="chapter-dparams.html#section-dparams-getting-started"
>Getting Started</A
></DT
><DT
>30.2. <A
HREF="section-dparams-creating.html"
>Creating and Attaching Dynamic Parameters</A
></DT
><DT
>30.3. <A
HREF="section-dparams-changing.html"
>Changing Dynamic Parameter Values</A
></DT
><DT
>30.4. <A
HREF="section-dparams-types.html"
>Different Types of Dynamic Parameter</A
></DT
></DL
></DD
></DL
></DD
><DT
>VI. <A
HREF="part-xml-gstreamer.html"
>XML in <SPAN
CLASS="application"
>GStreamer</SPAN
></A
></DT
><DD
><DL
><DT
>31. <A
HREF="chapter-xml.html"
>XML in <SPAN
CLASS="application"
>GStreamer</SPAN
></A
></DT
><DD
><DL
><DT
>31.1. <A
HREF="chapter-xml.html#section-xml-write"
>Turning GstElements into XML</A
></DT
><DT
>31.2. <A
HREF="section-xml-load.html"
>Loading a GstElement from an XML file</A
></DT
><DT
>31.3. <A
HREF="section-xml-custom.html"
>Adding custom XML tags into the core XML data</A
></DT
></DL
></DD
></DL
></DD
><DT
>VII. <A
HREF="part-appendices.html"
>Appendices</A
></DT
><DD
><DL
><DT
>32. <A
HREF="chapter-debugging.html"
>Debugging</A
></DT
><DD
><DL
><DT
>32.1. <A
HREF="chapter-debugging.html#section-debugging-command-line"
>Command line options</A
></DT
><DT
>32.2. <A
HREF="section-debugging-adding-handler.html"
>Adding a custom debug handler</A
></DT
></DL
></DD
><DT
>33. <A
HREF="chapter-programs.html"
>Programs</A
></DT
><DD
><DL
><DT
>33.1. <A
HREF="chapter-programs.html#section-programs-gst-register"
><B
CLASS="command"
>gst-register</B
></A
></DT
><DT
>33.2. <A
HREF="section-programs-gst-launch.html"
><B
CLASS="command"
>gst-launch</B
></A
></DT
><DT
>33.3. <A
HREF="section-programs-gst-inspect.html"
><B
CLASS="command"
>gst-inspect</B
></A
></DT
></DL
></DD
><DT
>34. <A
HREF="chapter-components.html"
>Components</A
></DT
><DD
><DL
><DT
>34.1. <A
HREF="chapter-components.html#section-components-gst-play"
>GstPlay</A
></DT
><DT
>34.2. <A
HREF="section-components-gst-media-play.html"
>GstMediaPlay</A
></DT
><DT
>34.3. <A
HREF="section-components-gst-editor.html"
>GstEditor</A
></DT
></DL
></DD
><DT
>35. <A
HREF="chapter-gnome.html"
>GNOME integration</A
></DT
><DD
><DL
><DT
>35.1. <A
HREF="chapter-gnome.html#AEN1260"
>Command line options</A
></DT
></DL
></DD
><DT
>36. <A
HREF="chapter-quotes.html"
>Quotes from the Developers</A
></DT
></DL
></DD
></DL
></DIV
><DIV
CLASS="LOT"
><DL
CLASS="LOT"
><DT
><B
>List of Figures</B
></DT
><DT
>4-1. <A
HREF="section-elements-types.html#section-element-srcimg"
>Visualisation of a source element</A
></DT
><DT
>4-2. <A
HREF="section-elements-types.html#section-element-filterimg"
>Visualisation of a filter element</A
></DT
><DT
>4-3. <A
HREF="section-elements-types.html#section-element-multifilterimg"
>Visualisation of a filter element with
more than one output pad</A
></DT
><DT
>4-4. <A
HREF="section-elements-types.html#section-element-sinkimg"
>Visualisation of a sink element</A
></DT
><DT
>7-1. <A
HREF="chapter-links.html#section-link"
>Visualisation of three linked elements</A
></DT
><DT
>8-1. <A
HREF="chapter-bins.html#section-bin-img"
>Visualisation of a bin with some elements in it</A
></DT
><DT
>16-1. <A
HREF="section-bin-ghostpads.html#section-bin-noghost-img"
>Visualisation of a <CODE
CLASS="classname"
>GstBin</CODE
> element without ghost pads</A
></DT
><DT
>16-2. <A
HREF="section-bin-ghostpads.html#section-bin-ghost-img"
>Visualisation of a <CODE
CLASS="classname"
>GstBin</CODE
> element with a ghost pad</A
></DT
><DT
>19-1. <A
HREF="chapter-hello-world.html#section-hello-img"
>The "hello world" pipeline</A
></DT
><DT
>20-1. <A
HREF="section-factories-mime.html#section-mime-img"
>The Hello world pipeline with MIME types</A
></DT
><DT
>21-1. <A
HREF="section-threads-when.html#section-threads-img"
>A thread</A
></DT
><DT
>22-1. <A
HREF="chapter-queues.html#section-queues-img"
>a two-threaded decoder with a queue</A
></DT
></DL
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