mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 05:12:09 +00:00
70cfc6cb4d
Original commit message from CVS: * new parser that uses flex and bison - doesn't do dynamic pipelines yet... * added GErrors to the gst_parse_launch[v] api * added --gst-mask-help command line option * fixed -o option for gst-launch * GstElement api change: - gst_element_get_pad - gst_element_get_request_pad, gst_element_get_static_pad - gst_element_get_compatible_pad - gst_element_get_compatible_static_pad, gst_element_get_compatible_request_pad - gst_element_[dis]connect -> gst_element_[dis]connect_pads - gst_element_[dis]connect_elements -> gst_element_[dis]connect * manual update * example, tool, and doc updates for the api changes - no more plugin docs in the core docs, plugins require a more extensive doc system
103 lines
3.4 KiB
XML
103 lines
3.4 KiB
XML
<chapter id="cha-debugging">
|
|
<title>Debugging</title>
|
|
<para>
|
|
GStreamer has an extensive set of debugging tools for
|
|
plugin developers.
|
|
</para>
|
|
|
|
<sect1>
|
|
<title>Command line options</title>
|
|
<para>
|
|
Applications using the GStreamer libraries accept the following set
|
|
of command line argruments to enable the debugging system.
|
|
</para>
|
|
|
|
<para>
|
|
<itemizedlist>
|
|
<listitem>
|
|
<para>
|
|
<option>--gst-debug-mask=<replaceable>mask</replaceable></option>
|
|
Sets the mask for the debugging output.
|
|
</para>
|
|
</listitem>
|
|
<listitem>
|
|
<para>
|
|
<option>--gst-info-mask=<replaceable>mask</replaceable></option>
|
|
Sets the mask for the info output.
|
|
</para>
|
|
</listitem>
|
|
<listitem>
|
|
<para>
|
|
<option>--gst-mask=<replaceable>mask</replaceable></option>
|
|
Sets the mask for the info *and* the debug output.
|
|
</para>
|
|
</listitem>
|
|
<listitem>
|
|
<para>
|
|
<option>--gst-mask-help</option>
|
|
Print out the meaning of gst-mask-* values.
|
|
</para>
|
|
</listitem>
|
|
<listitem>
|
|
<para>
|
|
<option>--gst-plugin-spew</option>
|
|
Enable printout of errors while loading GST plugins.
|
|
</para>
|
|
</listitem>
|
|
<listitem>
|
|
<para>
|
|
<option>--gst-plugin-path=<replaceable>PATH</replaceable></option>
|
|
Add a directory to the plugin search path.
|
|
</para>
|
|
</listitem>
|
|
<listitem>
|
|
<para>
|
|
<option>--help</option> Print the a short desciption of the
|
|
options
|
|
</para>
|
|
</listitem>
|
|
</itemizedlist>
|
|
</para>
|
|
<para>
|
|
The following table gives an overview of the mask values and their meaning. (enabled) means
|
|
that the corresponding flag is set by default. This table is available to any GStreamer
|
|
application by the --gst-mask-help option.
|
|
</para>
|
|
<programlisting>
|
|
Mask (to be OR'ed) info/debug FLAGS
|
|
--------------------------------------------------------
|
|
0x00000001 (enabled)/ GST_INIT
|
|
0x00000002 / COTHREADS
|
|
0x00000004 / COTHREAD_SWITCH
|
|
0x00000008 / AUTOPLUG
|
|
0x00000010 / AUTOPLUG_ATTEMPT
|
|
0x00000020 / PARENTAGE
|
|
0x00000040 / STATES
|
|
0x00000080 / PLANING
|
|
0x00000100 / SCHEDULING
|
|
0x00000200 / OPERATION
|
|
0x00000400 / BUFFER
|
|
0x00000800 / CAPS
|
|
0x00001000 / CLOCK
|
|
0x00002000 / ELEMENT_PADS
|
|
0x00004000 / ELEMENTFACTORY
|
|
0x00008000 / PADS
|
|
0x00010000 / PIPELINE
|
|
0x00020000 / PLUGIN_LOADING
|
|
0x00040000 / PLUGIN_ERRORS
|
|
0x00080000 / PLUGIN_INFO
|
|
0x00100000 / PROPERTIES
|
|
0x00200000 / THREAD
|
|
0x00400000 / TYPES
|
|
0x00800000 / XML
|
|
0x01000000 / NEGOTIATION
|
|
0x02000000 / REFCOUNTING
|
|
</programlisting>
|
|
</sect1>
|
|
<sect1>
|
|
<title>Adding a custom debug handler</title>
|
|
<para>
|
|
</para>
|
|
</sect1>
|
|
|
|
</chapter>
|