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<a href="#GstSegment.object-hierarchy" class="shortcut">Object Hierarchy</a></span>
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<div class="refentry">
<a name="GstSegment"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GstSegment.top_of_page"></a>GstSegment</span></h2>
<p>GstSegment — Structure describing the configured region of interest
in a media file.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="GstSegment.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GstSegment.html#gst-segment-clip" title="gst_segment_clip ()">gst_segment_clip</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GstSegment.html#gst-segment-init" title="gst_segment_init ()">gst_segment_init</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GstSegment.html" title="GstSegment"><span class="returnvalue">GstSegment</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstSegment.html#gst-segment-new" title="gst_segment_new ()">gst_segment_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GstSegment.html" title="GstSegment"><span class="returnvalue">GstSegment</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstSegment.html#gst-segment-copy" title="gst_segment_copy ()">gst_segment_copy</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GstSegment.html#gst-segment-free" title="gst_segment_free ()">gst_segment_free</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GstSegment.html#gst-segment-do-seek" title="gst_segment_do_seek ()">gst_segment_do_seek</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">guint64</span>
</td>
<td class="function_name">
<a class="link" href="GstSegment.html#gst-segment-to-running-time" title="gst_segment_to_running_time ()">gst_segment_to_running_time</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
</td>
<td class="function_name">
<a class="link" href="GstSegment.html#gst-segment-to-running-time-full" title="gst_segment_to_running_time_full ()">gst_segment_to_running_time_full</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">guint64</span>
</td>
<td class="function_name">
<a class="link" href="GstSegment.html#gst-segment-to-stream-time" title="gst_segment_to_stream_time ()">gst_segment_to_stream_time</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">guint64</span>
</td>
<td class="function_name">
<a class="link" href="GstSegment.html#gst-segment-to-position" title="gst_segment_to_position ()">gst_segment_to_position</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GstSegment.html#gst-segment-set-running-time" title="gst_segment_set_running_time ()">gst_segment_set_running_time</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GstSegment.html#gst-segment-copy-into" title="gst_segment_copy_into ()">gst_segment_copy_into</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GstSegment.html#gst-segment-offset-running-time" title="gst_segment_offset_running_time ()">gst_segment_offset_running_time</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GstSegment.html#gst-segment-is-equal" title="gst_segment_is_equal ()">gst_segment_is_equal</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GstSegment.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GstSegment.html#GstSegment-struct" title="struct GstSegment">GstSegment</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="GstSegment.html#GstSegmentFlags" title="enum GstSegmentFlags">GstSegmentFlags</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GstSegment.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="https://developer.gnome.org/gobject/unstable/gobject-Boxed-Types.html">GBoxed</a>
<span class="lineart">╰──</span> GstSegment
</pre>
</div>
<div class="refsect1">
<a name="GstSegment.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gst/gst.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="GstSegment.description"></a><h2>Description</h2>
<p>This helper structure holds the relevant values for tracking the region of
interest in a media file, called a segment.</p>
<p>The structure can be used for two purposes:</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem"><p>performing seeks (handling seek events)</p></li>
<li class="listitem"><p>tracking playback regions (handling newsegment events)</p></li>
</ul></div>
<p>The segment is usually configured by the application with a seek event which
is propagated upstream and eventually handled by an element that performs the seek.</p>
<p>The configured segment is then propagated back downstream with a newsegment event.
This information is then used to clip media to the segment boundaries.</p>
<p>A segment structure is initialized with <a class="link" href="GstSegment.html#gst-segment-init" title="gst_segment_init ()"><code class="function">gst_segment_init()</code></a>, which takes a <a class="link" href="gstreamer-GstFormat.html#GstFormat" title="enum GstFormat"><span class="type">GstFormat</span></a>
that will be used as the format of the segment values. The segment will be configured
with a start value of 0 and a stop/duration of -1, which is undefined. The default
rate and applied_rate is 1.0.</p>
<p>The public duration field contains the duration of the segment. When using
the segment for seeking, the start and time members should normally be left
to their default 0 value. The stop position is left to -1 unless explicitly
configured to a different value after a seek event.</p>
<p>The current position in the segment should be set by changing the position
member in the structure.</p>
<p>For elements that perform seeks, the current segment should be updated with the
<a class="link" href="GstSegment.html#gst-segment-do-seek" title="gst_segment_do_seek ()"><code class="function">gst_segment_do_seek()</code></a> and the values from the seek event. This method will update
all the segment fields. The position field will contain the new playback position.
If the start_type was different from GST_SEEK_TYPE_NONE, playback continues from
the position position, possibly with updated flags or rate.</p>
<p>For elements that want to use <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> to track the playback region,
update the segment fields with the information from the newsegment event.
The <a class="link" href="GstSegment.html#gst-segment-clip" title="gst_segment_clip ()"><code class="function">gst_segment_clip()</code></a> method can be used to check and clip
the media data to the segment boundaries.</p>
<p>For elements that want to synchronize to the pipeline clock, <a class="link" href="GstSegment.html#gst-segment-to-running-time" title="gst_segment_to_running_time ()"><code class="function">gst_segment_to_running_time()</code></a>
can be used to convert a timestamp to a value that can be used to synchronize
to the clock. This function takes into account the base as well as
any rate or applied_rate conversions.</p>
<p>For elements that need to perform operations on media data in stream_time,
<a class="link" href="GstSegment.html#gst-segment-to-stream-time" title="gst_segment_to_stream_time ()"><code class="function">gst_segment_to_stream_time()</code></a> can be used to convert a timestamp and the segment
info to stream time (which is always between 0 and the duration of the stream).</p>
</div>
<div class="refsect1">
<a name="GstSegment.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gst-segment-clip"></a><h3>gst_segment_clip ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_segment_clip (<em class="parameter"><code>const <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *segment</code></em>,
<em class="parameter"><code><a class="link" href="gstreamer-GstFormat.html#GstFormat" title="enum GstFormat"><span class="type">GstFormat</span></a> format</code></em>,
<em class="parameter"><code><span class="type">guint64</span> start</code></em>,
<em class="parameter"><code><span class="type">guint64</span> stop</code></em>,
<em class="parameter"><code><span class="type">guint64</span> *clip_start</code></em>,
<em class="parameter"><code><span class="type">guint64</span> *clip_stop</code></em>);</pre>
<p>Clip the given <em class="parameter"><code>start</code></em>
and <em class="parameter"><code>stop</code></em>
values to the segment boundaries given
in <em class="parameter"><code>segment</code></em>
. <em class="parameter"><code>start</code></em>
and <em class="parameter"><code>stop</code></em>
are compared and clipped to <em class="parameter"><code>segment</code></em>
start and stop values.</p>
<p>If the function returns <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>, <em class="parameter"><code>start</code></em>
and <em class="parameter"><code>stop</code></em>
are known to fall
outside of <em class="parameter"><code>segment</code></em>
and <em class="parameter"><code>clip_start</code></em>
and <em class="parameter"><code>clip_stop</code></em>
are not updated.</p>
<p>When the function returns <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, <em class="parameter"><code>clip_start</code></em>
and <em class="parameter"><code>clip_stop</code></em>
will be
updated. If <em class="parameter"><code>clip_start</code></em>
or <em class="parameter"><code>clip_stop</code></em>
are different from <em class="parameter"><code>start</code></em>
or <em class="parameter"><code>stop</code></em>
respectively, the region fell partially in the segment.</p>
<p>Note that when <em class="parameter"><code>stop</code></em>
is -1, <em class="parameter"><code>clip_stop</code></em>
will be set to the end of the
segment. Depending on the use case, this may or may not be what you want.</p>
<div class="refsect3">
<a name="id-1.3.45.8.2.8"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>segment</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> structure.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the format of the segment.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>start</p></td>
<td class="parameter_description"><p>the start position in the segment</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>stop</p></td>
<td class="parameter_description"><p>the stop position in the segment</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>clip_start</p></td>
<td class="parameter_description"><p> the clipped start position in the segment. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>clip_stop</p></td>
<td class="parameter_description"><p> the clipped stop position in the segment. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.45.8.2.9"></a><h4>Returns</h4>
<p> <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the given <em class="parameter"><code>start</code></em>
and <em class="parameter"><code>stop</code></em>
times fall partially or
completely in <em class="parameter"><code>segment</code></em>
, <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if the values are completely outside
of the segment.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-segment-init"></a><h3>gst_segment_init ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_segment_init (<em class="parameter"><code><a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *segment</code></em>,
<em class="parameter"><code><a class="link" href="gstreamer-GstFormat.html#GstFormat" title="enum GstFormat"><span class="type">GstFormat</span></a> format</code></em>);</pre>
<p>The start/position fields are set to 0 and the stop/duration
fields are set to -1 (unknown). The default rate of 1.0 and no
flags are set.</p>
<p>Initialize <em class="parameter"><code>segment</code></em>
to its default values.</p>
<div class="refsect3">
<a name="id-1.3.45.8.3.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>segment</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> structure.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the format of the segment.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-segment-new"></a><h3>gst_segment_new ()</h3>
<pre class="programlisting"><a class="link" href="GstSegment.html" title="GstSegment"><span class="returnvalue">GstSegment</span></a> *
gst_segment_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Allocate a new <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> structure and initialize it using
<a class="link" href="GstSegment.html#gst-segment-init" title="gst_segment_init ()"><code class="function">gst_segment_init()</code></a>.</p>
<p>Free-function: gst_segment_free</p>
<div class="refsect3">
<a name="id-1.3.45.8.4.6"></a><h4>Returns</h4>
<p> a new <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a>, free with <a class="link" href="GstSegment.html#gst-segment-free" title="gst_segment_free ()"><code class="function">gst_segment_free()</code></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-segment-copy"></a><h3>gst_segment_copy ()</h3>
<pre class="programlisting"><a class="link" href="GstSegment.html" title="GstSegment"><span class="returnvalue">GstSegment</span></a> *
gst_segment_copy (<em class="parameter"><code>const <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *segment</code></em>);</pre>
<p>Create a copy of given <em class="parameter"><code>segment</code></em>
.</p>
<p>Free-function: gst_segment_free</p>
<div class="refsect3">
<a name="id-1.3.45.8.5.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>segment</p></td>
<td class="parameter_description"><p> a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.45.8.5.7"></a><h4>Returns</h4>
<p> a new <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a>, free with <a class="link" href="GstSegment.html#gst-segment-free" title="gst_segment_free ()"><code class="function">gst_segment_free()</code></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-segment-free"></a><h3>gst_segment_free ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_segment_free (<em class="parameter"><code><a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *segment</code></em>);</pre>
<p>Free the allocated segment <em class="parameter"><code>segment</code></em>
.</p>
<div class="refsect3">
<a name="id-1.3.45.8.6.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>segment</p></td>
<td class="parameter_description"><p> a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for input. Default is transfer none."><span class="acronym">in</span></acronym>][<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-segment-do-seek"></a><h3>gst_segment_do_seek ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_segment_do_seek (<em class="parameter"><code><a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *segment</code></em>,
<em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> rate</code></em>,
<em class="parameter"><code><a class="link" href="gstreamer-GstFormat.html#GstFormat" title="enum GstFormat"><span class="type">GstFormat</span></a> format</code></em>,
<em class="parameter"><code><a class="link" href="GstEvent.html#GstSeekFlags" title="enum GstSeekFlags"><span class="type">GstSeekFlags</span></a> flags</code></em>,
<em class="parameter"><code><a class="link" href="GstEvent.html#GstSeekType" title="enum GstSeekType"><span class="type">GstSeekType</span></a> start_type</code></em>,
<em class="parameter"><code><span class="type">guint64</span> start</code></em>,
<em class="parameter"><code><a class="link" href="GstEvent.html#GstSeekType" title="enum GstSeekType"><span class="type">GstSeekType</span></a> stop_type</code></em>,
<em class="parameter"><code><span class="type">guint64</span> stop</code></em>,
<em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> *update</code></em>);</pre>
<p>Update the segment structure with the field values of a seek event (see
<a class="link" href="GstEvent.html#gst-event-new-seek" title="gst_event_new_seek ()"><code class="function">gst_event_new_seek()</code></a>).</p>
<p>After calling this method, the segment field position and time will
contain the requested new position in the segment. The new requested
position in the segment depends on <em class="parameter"><code>rate</code></em>
and <em class="parameter"><code>start_type</code></em>
and <em class="parameter"><code>stop_type</code></em>
.</p>
<p>For positive <em class="parameter"><code>rate</code></em>
, the new position in the segment is the new <em class="parameter"><code>segment</code></em>
start field when it was updated with a <em class="parameter"><code>start_type</code></em>
different from
<a class="link" href="GstEvent.html#GST-SEEK-TYPE-NONE:CAPS"><span class="type">GST_SEEK_TYPE_NONE</span></a>. If no update was performed on <em class="parameter"><code>segment</code></em>
start position
(<a class="link" href="GstEvent.html#GST-SEEK-TYPE-NONE:CAPS"><span class="type">GST_SEEK_TYPE_NONE</span></a>), <em class="parameter"><code>start</code></em>
is ignored and <em class="parameter"><code>segment</code></em>
position is
unmodified.</p>
<p>For negative <em class="parameter"><code>rate</code></em>
, the new position in the segment is the new <em class="parameter"><code>segment</code></em>
stop field when it was updated with a <em class="parameter"><code>stop_type</code></em>
different from
<a class="link" href="GstEvent.html#GST-SEEK-TYPE-NONE:CAPS"><span class="type">GST_SEEK_TYPE_NONE</span></a>. If no stop was previously configured in the segment, the
duration of the segment will be used to update the stop position.
If no update was performed on <em class="parameter"><code>segment</code></em>
stop position (<a class="link" href="GstEvent.html#GST-SEEK-TYPE-NONE:CAPS"><span class="type">GST_SEEK_TYPE_NONE</span></a>),
<em class="parameter"><code>stop</code></em>
is ignored and <em class="parameter"><code>segment</code></em>
position is unmodified.</p>
<p>The applied rate of the segment will be set to 1.0 by default.
If the caller can apply a rate change, it should update <em class="parameter"><code>segment</code></em>
rate and applied_rate after calling this function.</p>
<p><em class="parameter"><code>update</code></em>
will be set to <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if a seek should be performed to the segment
position field. This field can be <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if, for example, only the <em class="parameter"><code>rate</code></em>
has been changed but not the playback position.</p>
<div class="refsect3">
<a name="id-1.3.45.8.7.10"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>segment</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> structure.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>rate</p></td>
<td class="parameter_description"><p>the rate of the segment.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the format of the segment.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>the segment flags for the segment</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>start_type</p></td>
<td class="parameter_description"><p>the seek method</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>start</p></td>
<td class="parameter_description"><p>the seek start value</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>stop_type</p></td>
<td class="parameter_description"><p>the seek method</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>stop</p></td>
<td class="parameter_description"><p>the seek stop value</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>update</p></td>
<td class="parameter_description"><p>boolean holding whether position was updated.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.45.8.7.11"></a><h4>Returns</h4>
<p> <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the seek could be performed.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-segment-to-running-time"></a><h3>gst_segment_to_running_time ()</h3>
<pre class="programlisting"><span class="returnvalue">guint64</span>
gst_segment_to_running_time (<em class="parameter"><code>const <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *segment</code></em>,
<em class="parameter"><code><a class="link" href="gstreamer-GstFormat.html#GstFormat" title="enum GstFormat"><span class="type">GstFormat</span></a> format</code></em>,
<em class="parameter"><code><span class="type">guint64</span> position</code></em>);</pre>
<p>Translate <em class="parameter"><code>position</code></em>
to the total running time using the currently configured
segment. Position is a value between <em class="parameter"><code>segment</code></em>
start and stop time.</p>
<p>This function is typically used by elements that need to synchronize to the
global clock in a pipeline. The running time is a constantly increasing value
starting from 0. When <a class="link" href="GstSegment.html#gst-segment-init" title="gst_segment_init ()"><code class="function">gst_segment_init()</code></a> is called, this value will reset to
0.</p>
<p>This function returns -1 if the position is outside of <em class="parameter"><code>segment</code></em>
start and stop.</p>
<div class="refsect3">
<a name="id-1.3.45.8.8.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>segment</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> structure.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the format of the segment.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>position</p></td>
<td class="parameter_description"><p>the position in the segment</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.45.8.8.8"></a><h4>Returns</h4>
<p> the position as the total running time or -1 when an invalid position
was given.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-segment-to-running-time-full"></a><h3>gst_segment_to_running_time_full ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
gst_segment_to_running_time_full (<em class="parameter"><code>const <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *segment</code></em>,
<em class="parameter"><code><a class="link" href="gstreamer-GstFormat.html#GstFormat" title="enum GstFormat"><span class="type">GstFormat</span></a> format</code></em>,
<em class="parameter"><code><span class="type">guint64</span> position</code></em>,
<em class="parameter"><code><span class="type">guint64</span> *running_time</code></em>);</pre>
<p>Translate <em class="parameter"><code>position</code></em>
to the total running time using the currently configured
segment. Compared to <a class="link" href="GstSegment.html#gst-segment-to-running-time" title="gst_segment_to_running_time ()"><code class="function">gst_segment_to_running_time()</code></a> this function can return
negative running-time.</p>
<p>This function is typically used by elements that need to synchronize buffers
against the clock or eachother.</p>
<p><em class="parameter"><code>position</code></em>
can be any value and the result of this function for values outside
of the segment is extrapolated.</p>
<p>When 1 is returned, <em class="parameter"><code>position</code></em>
resulted in a positive running-time returned
in <em class="parameter"><code>running_time</code></em>
.</p>
<p>When this function returns -1, the returned <em class="parameter"><code>running_time</code></em>
should be negated
to get the real negative running time.</p>
<div class="refsect3">
<a name="id-1.3.45.8.9.9"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>segment</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> structure.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the format of the segment.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>position</p></td>
<td class="parameter_description"><p>the position in the segment</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>running_time</p></td>
<td class="parameter_description"><p>result running-time</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.45.8.9.10"></a><h4>Returns</h4>
<p> a 1 or -1 on success, 0 on failure.</p>
</div>
<p class="since">Since: <a class="link" href="ix03.html#api-index-1.6">1.6</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gst-segment-to-stream-time"></a><h3>gst_segment_to_stream_time ()</h3>
<pre class="programlisting"><span class="returnvalue">guint64</span>
gst_segment_to_stream_time (<em class="parameter"><code>const <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *segment</code></em>,
<em class="parameter"><code><a class="link" href="gstreamer-GstFormat.html#GstFormat" title="enum GstFormat"><span class="type">GstFormat</span></a> format</code></em>,
<em class="parameter"><code><span class="type">guint64</span> position</code></em>);</pre>
<p>Translate <em class="parameter"><code>position</code></em>
to stream time using the currently configured
segment. The <em class="parameter"><code>position</code></em>
value must be between <em class="parameter"><code>segment</code></em>
start and
stop value.</p>
<p>This function is typically used by elements that need to operate on
the stream time of the buffers it receives, such as effect plugins.
In those use cases, <em class="parameter"><code>position</code></em>
is typically the buffer timestamp or
clock time that one wants to convert to the stream time.
The stream time is always between 0 and the total duration of the
media stream.</p>
<div class="refsect3">
<a name="id-1.3.45.8.10.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>segment</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> structure.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the format of the segment.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>position</p></td>
<td class="parameter_description"><p>the position in the segment</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.45.8.10.7"></a><h4>Returns</h4>
<p> the position in stream_time or -1 when an invalid position
was given.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-segment-to-position"></a><h3>gst_segment_to_position ()</h3>
<pre class="programlisting"><span class="returnvalue">guint64</span>
gst_segment_to_position (<em class="parameter"><code>const <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *segment</code></em>,
<em class="parameter"><code><a class="link" href="gstreamer-GstFormat.html#GstFormat" title="enum GstFormat"><span class="type">GstFormat</span></a> format</code></em>,
<em class="parameter"><code><span class="type">guint64</span> running_time</code></em>);</pre>
<p>Convert <em class="parameter"><code>running_time</code></em>
into a position in the segment so that
<a class="link" href="GstSegment.html#gst-segment-to-running-time" title="gst_segment_to_running_time ()"><code class="function">gst_segment_to_running_time()</code></a> with that position returns <em class="parameter"><code>running_time</code></em>
.</p>
<div class="refsect3">
<a name="id-1.3.45.8.11.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>segment</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> structure.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the format of the segment.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>running_time</p></td>
<td class="parameter_description"><p>the running_time in the segment</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.45.8.11.6"></a><h4>Returns</h4>
<p> the position in the segment for <em class="parameter"><code>running_time</code></em>
. This function returns
-1 when <em class="parameter"><code>running_time</code></em>
is -1 or when it is not inside <em class="parameter"><code>segment</code></em>
.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-segment-set-running-time"></a><h3>gst_segment_set_running_time ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_segment_set_running_time (<em class="parameter"><code><a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *segment</code></em>,
<em class="parameter"><code><a class="link" href="gstreamer-GstFormat.html#GstFormat" title="enum GstFormat"><span class="type">GstFormat</span></a> format</code></em>,
<em class="parameter"><code><span class="type">guint64</span> running_time</code></em>);</pre>
<p>Adjust the start/stop and base values of <em class="parameter"><code>segment</code></em>
such that the next valid
buffer will be one with <em class="parameter"><code>running_time</code></em>
.</p>
<div class="refsect3">
<a name="id-1.3.45.8.12.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>segment</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> structure.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the format of the segment.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>running_time</p></td>
<td class="parameter_description"><p>the running_time in the segment</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.45.8.12.6"></a><h4>Returns</h4>
<p> <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the segment could be updated successfully. If <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> is
returned, <em class="parameter"><code>running_time</code></em>
is -1 or not in <em class="parameter"><code>segment</code></em>
.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-segment-copy-into"></a><h3>gst_segment_copy_into ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_segment_copy_into (<em class="parameter"><code>const <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *src</code></em>,
<em class="parameter"><code><a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *dest</code></em>);</pre>
<p>Copy the contents of <em class="parameter"><code>src</code></em>
into <em class="parameter"><code>dest</code></em>
.</p>
<div class="refsect3">
<a name="id-1.3.45.8.13.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>src</p></td>
<td class="parameter_description"><p> a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>dest</p></td>
<td class="parameter_description"><p> a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-segment-offset-running-time"></a><h3>gst_segment_offset_running_time ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_segment_offset_running_time (<em class="parameter"><code><a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *segment</code></em>,
<em class="parameter"><code><a class="link" href="gstreamer-GstFormat.html#GstFormat" title="enum GstFormat"><span class="type">GstFormat</span></a> format</code></em>,
<em class="parameter"><code><span class="type">gint64</span> offset</code></em>);</pre>
<p>Adjust the values in <em class="parameter"><code>segment</code></em>
so that <em class="parameter"><code>offset</code></em>
is applied to all
future running-time calculations.</p>
<div class="refsect3">
<a name="id-1.3.45.8.14.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>segment</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> structure.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the format of the segment.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>offset</p></td>
<td class="parameter_description"><p>the offset to apply in the segment</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.45.8.14.6"></a><h4>Returns</h4>
<p> <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the segment could be updated successfully. If <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> is
returned, <em class="parameter"><code>offset</code></em>
is not in <em class="parameter"><code>segment</code></em>
.</p>
</div>
<p class="since">Since: <a class="link" href="ix05.html#api-index-1.2.3">1.2.3</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gst-segment-is-equal"></a><h3>gst_segment_is_equal ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_segment_is_equal (<em class="parameter"><code>const <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *s0</code></em>,
<em class="parameter"><code>const <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> *s1</code></em>);</pre>
<p>Checks for two segments being equal. Equality here is defined
as perfect equality, including floating point values.</p>
<div class="refsect3">
<a name="id-1.3.45.8.15.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>s0</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> structure.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>s1</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstSegment.html" title="GstSegment"><span class="type">GstSegment</span></a> structure.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.45.8.15.6"></a><h4>Returns</h4>
<p> <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the segments are equal, <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p>
</div>
<p class="since">Since: <a class="link" href="ix03.html#api-index-1.6">1.6</a></p>
</div>
</div>
<div class="refsect1">
<a name="GstSegment.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstSegment-struct"></a><h3>struct GstSegment</h3>
<pre class="programlisting">struct GstSegment {
GstSegmentFlags flags;
gdouble rate;
gdouble applied_rate;
GstFormat format;
guint64 base;
guint64 offset;
guint64 start;
guint64 stop;
guint64 time;
guint64 position;
guint64 duration;
};
</pre>
<p>A helper structure that holds the configured region of
interest in a media file.</p>
<div class="refsect3">
<a name="id-1.3.45.9.2.5"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a class="link" href="GstSegment.html#GstSegmentFlags" title="enum GstSegmentFlags"><span class="type">GstSegmentFlags</span></a> <em class="structfield"><code><a name="GstSegment-struct.flags"></a>flags</code></em>;</p></td>
<td class="struct_member_description"><p>flags for this segment</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="GstSegment-struct.rate"></a>rate</code></em>;</p></td>
<td class="struct_member_description"><p>the rate of the segment</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="GstSegment-struct.applied-rate"></a>applied_rate</code></em>;</p></td>
<td class="struct_member_description"><p>the already applied rate to the segment</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a class="link" href="gstreamer-GstFormat.html#GstFormat" title="enum GstFormat"><span class="type">GstFormat</span></a> <em class="structfield"><code><a name="GstSegment-struct.format"></a>format</code></em>;</p></td>
<td class="struct_member_description"><p>the format of the segment values</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><span class="type">guint64</span> <em class="structfield"><code><a name="GstSegment-struct.base"></a>base</code></em>;</p></td>
<td class="struct_member_description"><p>the base of the segment</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><span class="type">guint64</span> <em class="structfield"><code><a name="GstSegment-struct.offset"></a>offset</code></em>;</p></td>
<td class="struct_member_description"><p>the offset to apply to <em class="parameter"><code>start</code></em>
or <em class="parameter"><code>stop</code></em>
</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><span class="type">guint64</span> <em class="structfield"><code><a name="GstSegment-struct.start"></a>start</code></em>;</p></td>
<td class="struct_member_description"><p>the start of the segment</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><span class="type">guint64</span> <em class="structfield"><code><a name="GstSegment-struct.stop"></a>stop</code></em>;</p></td>
<td class="struct_member_description"><p>the stop of the segment</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><span class="type">guint64</span> <em class="structfield"><code><a name="GstSegment-struct.time"></a>time</code></em>;</p></td>
<td class="struct_member_description"><p>the stream time of the segment</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><span class="type">guint64</span> <em class="structfield"><code><a name="GstSegment-struct.position"></a>position</code></em>;</p></td>
<td class="struct_member_description"><p>the position in the segment (used internally by elements
such as sources, demuxers or parsers to track progress)</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><span class="type">guint64</span> <em class="structfield"><code><a name="GstSegment-struct.duration"></a>duration</code></em>;</p></td>
<td class="struct_member_description"><p>the duration of the segment</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstSegmentFlags"></a><h3>enum GstSegmentFlags</h3>
<p>Flags for the GstSegment structure. Currently mapped to the corresponding
values of the seek flags.</p>
<div class="refsect3">
<a name="id-1.3.45.9.3.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-SEGMENT-FLAG-NONE:CAPS"></a>GST_SEGMENT_FLAG_NONE</p></td>
<td class="enum_member_description">
<p>no flags</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-SEGMENT-FLAG-RESET:CAPS"></a>GST_SEGMENT_FLAG_RESET</p></td>
<td class="enum_member_description">
<p>reset the pipeline running_time to the segment
running_time</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-SEGMENT-FLAG-TRICKMODE:CAPS"></a>GST_SEGMENT_FLAG_TRICKMODE</p></td>
<td class="enum_member_description">
<p>perform skip playback (Since 1.6)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-SEGMENT-FLAG-SKIP:CAPS"></a>GST_SEGMENT_FLAG_SKIP</p></td>
<td class="enum_member_description">
<p>Deprecated backward compatibility flag, replaced
by <em class="parameter"><code>GST_SEGMENT_FLAG_TRICKMODE</code></em>
</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-SEGMENT-FLAG-SEGMENT:CAPS"></a>GST_SEGMENT_FLAG_SEGMENT</p></td>
<td class="enum_member_description">
<p>send SEGMENT_DONE instead of EOS</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-SEGMENT-FLAG-TRICKMODE-KEY-UNITS:CAPS"></a>GST_SEGMENT_FLAG_TRICKMODE_KEY_UNITS</p></td>
<td class="enum_member_description">
<p>Decode only keyframes, where
possible (Since 1.6)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-SEGMENT-FLAG-TRICKMODE-NO-AUDIO:CAPS"></a>GST_SEGMENT_FLAG_TRICKMODE_NO_AUDIO</p></td>
<td class="enum_member_description">
<p>Do not decode any audio, where
possible (Since 1.6)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="GstSegment.see-also"></a><h2>See Also</h2>
<p><a class="link" href="GstEvent.html" title="GstEvent"><span class="type">GstEvent</span></a></p>
</div>
</div>
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