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<refentry id="gst-std-options-5">
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<refmeta><refentrytitle>gst-std-options</refentrytitle><manvolnum>5</manvolnum>
<refmiscinfo class="date">12 Nov 2007</refmiscinfo>
<refmiscinfo class="sectdesc">&man1;</refmiscinfo>
<refmiscinfo class="software">&release;</refmiscinfo>
<refmiscinfo class="arch">generic</refmiscinfo>
<refmiscinfo class="copyright">&suncopy;</refmiscinfo>
</refmeta>
<indexterm><primary>gst-std-options</primary></indexterm><indexterm><primary>
standard options available for most GStreamer applications</primary></indexterm>
<refnamediv id="gst-std-options-5-name"><refname>gst-std-options</refname>
<refpurpose>standard options available for most GStreamer applications</refpurpose>
</refnamediv>
<refsect1 id="gst-std-options-5-desc"><title>&desc-tt;</title>
<para>
GStreamer standard options which are available for most GStreamer
based applications.
</para>
</refsect1>
<refsect1 id="gst-std-options-5-opts"><title>&opts-tt;</title>
<para>The following options are supported:</para>
<variablelist termlength="wholeline">
<varlistentry>
<term><option>-help-gst</option></term>
<listitem><para>
Display GStreamer help options.</para>
</listitem></varlistentry>
<varlistentry>
<term><option>-gst-debug-disable</option></term>
<listitem><para>
Disables debugging.</para>
</listitem></varlistentry>
<varlistentry>
<term><option>-gst-debug-help</option></term>
<listitem><para>
Prints a list of available debug categories and their default debugging level.
</para>
</listitem></varlistentry>
<varlistentry>
<term><option>-gst-debug-level=<replaceable>level</replaceable></option></term>
<listitem><para>
Sets the threshold for printing debugging  messages. A higher level prints
more messages. The useful range is 0-5, the default value is 0.
</para>
</listitem></varlistentry>
<varlistentry>
<term><option>-gst-debug-no-color</option></term>
<listitem><para>
GStreamer normally prints debugging messages so that the  messages are
color-coded when printed to a terminal that handles ANSI escape sequences.
This option causes GStreamer to print messages without color.  Setting
the GST_DEBUG_NO_COLOR environment variable achieves the same thing.
</para>
</listitem></varlistentry>
<varlistentry>
<term><option>-gst-debug=<replaceable>string</replaceable></option></term>
<listitem><para>
Specifies debugging levels for each category, where
<replaceable>string</replaceable> is a colon-separated list of
<replaceable>category_name=level </replaceable> pairs.
<replaceable>level</replaceable> is in the range 0-5 where 0 shows no
messages and 5 shows all messages. The wildcard * can be used to match
category names. Use the <option>-gst-debug-help</option> option to show
category names.
</para>
<para>
Example: GST_CAT=5:GST_ELEMENT_*=3
</para>
</listitem></varlistentry>
<varlistentry>
<term><option>-gst-disable-registry-fork</option></term>
<listitem><para>
Disable the use of
<citerefentry><refentrytitle>fork</refentrytitle><manvolnum>2</manvolnum></citerefentry>
when scanning the registry.
</para>
</listitem></varlistentry>
<varlistentry>
<term><option>-gst-disable-segtrap</option></term>
<listitem><para>
Disables trapping of segmentation faults during plugin loading.
</para>
</listitem></varlistentry>
<varlistentry>
<term><option>-gst-fatal-warnings</option></term>
<listitem><para>
Causes GStreamer to abort if a warning message occurs.
</para>
</listitem></varlistentry>
<varlistentry>
<term><option>-gst-plugin-load=<replaceable>plugins</replaceable></option></term>
<listitem><para>
Preloads the plugins specified in a comma-separated list.  Another way to
specify plugins to preload is to use the environment variable
GST_PLUGIN_PATH.
</para>
</listitem></varlistentry>
<varlistentry><term>
<option>-gst-plugin-path=<replaceable>path</replaceable></option></term>
<listitem><para>
Adds directories separated with ':' to the plugin search path.
</para>
</listitem></varlistentry>
<varlistentry>
<term><option>-gst-plugin-spew</option></term>
<listitem><para>
GStreamer info flags to set Enable printout of errors while loading GStreamer
plugins.
</para>
</listitem></varlistentry>
<varlistentry>
<term><option>-gst-version</option></term>
<listitem><para>
Prints the version string of the GStreamer core library.
</para>
</listitem></varlistentry>
</variablelist></refsect1>
<refsect1 id="gst-std-options-5-envr"><title>&envr-tt;</title>
<para>See <citerefentry><refentrytitle>environ</refentrytitle><manvolnum>
5</manvolnum></citerefentry> for descriptions of the following environment
variables:</para>
<variablelist>
<varlistentry>
<term>GST_DEBUG</term>
<listitem><para>
Comma-separated list of debug categories and levels.  Values are the same
as used with the <option>-gst-debug</option> argument.
</para>
</listitem></varlistentry>
<varlistentry>
<term>GST_DEBUG_NO_COLOR</term>
<listitem><para>
When this environment variable is set, colored debug output is disabled.
</para>
</listitem></varlistentry>
<varlistentry>
<term>GST_REGISTRY</term>
<listitem><para>
Path of the registry file.  Default is <filename>~/.gstreamer-0.10/registry-*.xml</filename>.
</para>
</listitem></varlistentry>
<varlistentry>
<term>GST_PLUGIN_PATH</term>
<listitem><para>
Specify a list of directories to scan for additional plugins.  These
take precedence over the system plugins.
</para>
</listitem></varlistentry>
<varlistentry>
<term>GST_PLUGIN_SYSTEM_PATH</term>
<listitem><para>
Specifies a list of plugins that are always loaded by default.  If not set,
this defaults to the system-installed path, and the plugins installed in
the user's home directory.
</para>
</listitem></varlistentry>
<varlistentry>
<term>OIL_CPU_FLAGS</term>
<listitem><para>
Useful liboil environment variable.  Set OIL_CPU_FLAGS=0 when debugging tools
trip over liboil's CPU detection.
</para>
</listitem></varlistentry>
</variablelist></refsect1>
<refsect1 id="gst-std-options-5-file"><title>&file-tt;</title>
<para>The following files are used by GStreamer based applications:</para>
<variablelist termlength="wholeline">
<varlistentry>
<term><filename>/usr/lib/gstreamer-0.10/</filename></term>
<listitem><para>
GStreamer system plugin directory.
</para></listitem></varlistentry>

<varlistentry>
<term><filename>~/gstreamer-0.10/plugins</filename></term>
<listitem><para>
GStreamer user-specific plugin directory.
</para></listitem></varlistentry>

<varlistentry>
<term><filename>~/gstreamer-0.10/registry-*.xml</filename></term>
<listitem><para>
GStreamer plugin registry for user.
</para></listitem></varlistentry>
</variablelist></refsect1>
<refsect1 id="gst-std-options-5-attr"><title>&attr-tt;</title>
<para>See <olink targetdocent="REFMAN5" localinfo="attributes-5"><citerefentry>
<refentrytitle>attributes</refentrytitle><manvolnum>5</manvolnum></citerefentry></olink>
for descriptions of the following attributes:</para>
<informaltable frame="all">
<tgroup cols="2" colsep="1" rowsep="1"><colspec colname="COLSPEC0" colwidth="1*">
<colspec colname="COLSPEC1" colwidth="1*">
<thead>
<row><entry align="center" valign="middle">ATTRIBUTE TYPE</entry><entry align="center"
valign="middle">ATTRIBUTE VALUE</entry></row>
</thead>
<tbody>
<row><entry><para>Availability</para></entry><entry><para>library/audio/gstreamer
</para></entry></row>
<row><entry colname="COLSPEC0"><para>Interface stability</para></entry><entry
colname="COLSPEC1"><para>Volatile</para></entry></row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 id="gst-std-options-5-also"><title>&also-tt;</title>
<!--Reference to another man page-->
<!--Reference to a Help manual-->
<!--Reference to a book.-->
<para>
<citerefentry><refentrytitle>gst-feedback</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>gst-inspect</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>gst-launch</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>gst-typefind</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>gst-xmlinspect</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>gst-xmllaunch</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>gstreamer-properties</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>libgstreamer-0.10</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
<citerefentry><refentrytitle>attributes</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>environ</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>gnome-interfaces</refentrytitle><manvolnum>5</manvolnum></citerefentry>
</para>
</refsect1>
<refsect1 id="gst-std-options-5-note"><title>&note-tt;</title>
<para>Original man page written by the GStreamer team at
<literal>http://gstreamer.net/</literal>.
</para>
<para>Updated by Brian Cameron, Sun Microsystems Inc., 2004, 2006, 2007.</para>
</refsect1>
</refentry>
