<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<HTML
><HEAD
><TITLE
>gst-inspect</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
REL="HOME"
TITLE="GStreamer Application Development Manual"
HREF="index.html"><LINK
REL="UP"
TITLE="Programs"
HREF="chapter-programs.html"><LINK
REL="PREVIOUS"
TITLE="gst-launch"
HREF="section-programs-gst-launch.html"><LINK
REL="NEXT"
TITLE="Components"
HREF="chapter-components.html"></HEAD
><BODY
CLASS="sect1"
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</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="section-programs-gst-launch.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Chapter 33. Programs</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="chapter-components.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="sect1"
><H1
CLASS="sect1"
><A
NAME="section-programs-gst-inspect"
>33.3. <B
CLASS="command"
>gst-inspect</B
></A
></H1
><P
>
This is a tool to query a plugin or an element about its properties.
</P
><P
>
To query the information about the element mad, you would specify:
</P
><PRE
CLASS="screen"
> gst-inspect mad
</PRE
><P
>
Below is the output of a query for the osssink element:
</P
><PRE
CLASS="screen"
> Factory Details:
Long name: Audio Sink (OSS)
Class: Sink/Audio
Description: Output to a sound card via OSS
Version: 0.3.3.1
Author(s): Erik Walthinsen <omega@cse.ogi.edu>, Wim Taymans <wim.taymans@chello.be>
Copyright: (C) 1999
GObject
+----GstObject
+----GstElement
+----GstOssSink
Pad Templates:
SINK template: 'sink'
Availability: Always
Capabilities:
'osssink_sink':
MIME type: 'audio/raw':
format: String: int
endianness: Integer: 1234
width: List:
Integer: 8
Integer: 16
depth: List:
Integer: 8
Integer: 16
channels: Integer range: 1 - 2
law: Integer: 0
signed: List:
Boolean: FALSE
Boolean: TRUE
rate: Integer range: 1000 - 48000
Element Flags:
GST_ELEMENT_THREADSUGGESTED
Element Implementation:
No loopfunc(), must be chain-based or not configured yet
Has change_state() function: gst_osssink_change_state
Has custom save_thyself() function: gst_element_save_thyself
Has custom restore_thyself() function: gst_element_restore_thyself
Clocking Interaction:
element requires a clock
element provides a clock: GstOssClock
Pads:
SINK: 'sink'
Implementation:
Has chainfunc(): 0x40056fc0
Pad Template: 'sink'
Element Arguments:
name : String (Default "element")
device : String (Default "/dev/dsp")
mute : Boolean (Default false)
format : Integer (Default 16)
channels : Enum "GstAudiosinkChannels" (default 1)
(0): Silence
(1): Mono
(2): Stereo
frequency : Integer (Default 11025)
fragment : Integer (Default 6)
buffer-size : Integer (Default 4096)
Element Signals:
"handoff" : void user_function (GstOssSink* object,
gpointer user_data);
</PRE
><P
>
To query the information about a plugin, you would do:
</P
><PRE
CLASS="screen"
> gst-inspect gstelements
</PRE
></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="section-programs-gst-launch.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="chapter-components.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><B
CLASS="command"
>gst-launch</B
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="chapter-programs.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>Components</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>
