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<a name="gst-plugins-base-libs-gstrtsprange"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gstrtsprange.top_of_page"></a>gstrtsprange</span></h2>
<p>gstrtsprange — dealing with time ranges</p>
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<div class="refsynopsisdiv">
<a name="gst-plugins-base-libs-gstrtsprange.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <gst/rtsp/gstrtsrange.h>
enum <a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPRangeUnit" title="enum GstRTSPRangeUnit">GstRTSPRangeUnit</a>;
struct <a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTimeRange" title="struct GstRTSPTimeRange">GstRTSPTimeRange</a>;
struct <a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTime" title="struct GstRTSPTime">GstRTSPTime</a>;
enum <a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTimeType" title="enum GstRTSPTimeType">GstRTSPTimeType</a>;
<a class="link" href="gst-plugins-base-libs-gstrtspdefs.html#GstRTSPResult" title="enum GstRTSPResult"><span class="returnvalue">GstRTSPResult</span></a> <a class="link" href="gst-plugins-base-libs-gstrtsprange.html#gst-rtsp-range-parse" title="gst_rtsp_range_parse ()">gst_rtsp_range_parse</a> (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *rangestr</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTimeRange" title="struct GstRTSPTimeRange"><span class="type">GstRTSPTimeRange</span></a> **range</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * <a class="link" href="gst-plugins-base-libs-gstrtsprange.html#gst-rtsp-range-to-string" title="gst_rtsp_range_to_string ()">gst_rtsp_range_to_string</a> (<em class="parameter"><code>const <a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTimeRange" title="struct GstRTSPTimeRange"><span class="type">GstRTSPTimeRange</span></a> *range</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gst-plugins-base-libs-gstrtsprange.html#gst-rtsp-range-free" title="gst_rtsp_range_free ()">gst_rtsp_range_free</a> (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTimeRange" title="struct GstRTSPTimeRange"><span class="type">GstRTSPTimeRange</span></a> *range</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstrtsprange.description"></a><h2>Description</h2>
<p>
Provides helper functions to deal with time ranges.
Last reviewed on 2007-07-25 (0.10.14)
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstrtsprange.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstRTSPRangeUnit"></a><h3>enum GstRTSPRangeUnit</h3>
<pre class="programlisting">typedef enum {
GST_RTSP_RANGE_SMPTE,
GST_RTSP_RANGE_SMPTE_30_DROP,
GST_RTSP_RANGE_SMPTE_25,
GST_RTSP_RANGE_NPT,
GST_RTSP_RANGE_CLOCK
} GstRTSPRangeUnit;
</pre>
<p>
Different possible time range units.
</p>
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<td><p><a name="GST-RTSP-RANGE-SMPTE:CAPS"></a><span class="term"><code class="literal">GST_RTSP_RANGE_SMPTE</code></span></p></td>
<td>SMPTE timecode
</td>
</tr>
<tr>
<td><p><a name="GST-RTSP-RANGE-SMPTE-30-DROP:CAPS"></a><span class="term"><code class="literal">GST_RTSP_RANGE_SMPTE_30_DROP</code></span></p></td>
<td>29.97 frames per second
</td>
</tr>
<tr>
<td><p><a name="GST-RTSP-RANGE-SMPTE-25:CAPS"></a><span class="term"><code class="literal">GST_RTSP_RANGE_SMPTE_25</code></span></p></td>
<td>25 frames per second
</td>
</tr>
<tr>
<td><p><a name="GST-RTSP-RANGE-NPT:CAPS"></a><span class="term"><code class="literal">GST_RTSP_RANGE_NPT</code></span></p></td>
<td>Normal play time
</td>
</tr>
<tr>
<td><p><a name="GST-RTSP-RANGE-CLOCK:CAPS"></a><span class="term"><code class="literal">GST_RTSP_RANGE_CLOCK</code></span></p></td>
<td>Absolute time expressed as ISO 8601 timestamps
</td>
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</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstRTSPTimeRange"></a><h3>struct GstRTSPTimeRange</h3>
<pre class="programlisting">struct GstRTSPTimeRange {
GstRTSPRangeUnit unit;
GstRTSPTime min;
GstRTSPTime max;
};
</pre>
<p>
A time range.
</p>
<div class="variablelist"><table border="0">
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<td><p><span class="term"><a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPRangeUnit" title="enum GstRTSPRangeUnit"><span class="type">GstRTSPRangeUnit</span></a> <em class="structfield"><code><a name="GstRTSPTimeRange.unit"></a>unit</code></em>;</span></p></td>
<td>the time units used</td>
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<td><p><span class="term"><a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTime" title="struct GstRTSPTime"><span class="type">GstRTSPTime</span></a> <em class="structfield"><code><a name="GstRTSPTimeRange.min"></a>min</code></em>;</span></p></td>
<td>the minimum interval</td>
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<td><p><span class="term"><a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTime" title="struct GstRTSPTime"><span class="type">GstRTSPTime</span></a> <em class="structfield"><code><a name="GstRTSPTimeRange.max"></a>max</code></em>;</span></p></td>
<td>the maximum interval</td>
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</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstRTSPTime"></a><h3>struct GstRTSPTime</h3>
<pre class="programlisting">struct GstRTSPTime {
GstRTSPTimeType type;
gdouble seconds;
};
</pre>
<p>
A time indication.
</p>
<div class="variablelist"><table border="0">
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<td><p><span class="term"><a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTimeType" title="enum GstRTSPTimeType"><span class="type">GstRTSPTimeType</span></a> <em class="structfield"><code><a name="GstRTSPTime.type"></a>type</code></em>;</span></p></td>
<td>the time of the time</td>
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<td><p><span class="term"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="GstRTSPTime.seconds"></a>seconds</code></em>;</span></p></td>
<td>seconds when <em class="parameter"><code>type</code></em> is GST_RTSP_TIME_SECONDS</td>
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<hr>
<div class="refsect2">
<a name="GstRTSPTimeType"></a><h3>enum GstRTSPTimeType</h3>
<pre class="programlisting">typedef enum {
GST_RTSP_TIME_SECONDS,
GST_RTSP_TIME_NOW,
GST_RTSP_TIME_END
} GstRTSPTimeType;
</pre>
<p>
Possible time types.
</p>
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<td><p><a name="GST-RTSP-TIME-SECONDS:CAPS"></a><span class="term"><code class="literal">GST_RTSP_TIME_SECONDS</code></span></p></td>
<td>seconds
</td>
</tr>
<tr>
<td><p><a name="GST-RTSP-TIME-NOW:CAPS"></a><span class="term"><code class="literal">GST_RTSP_TIME_NOW</code></span></p></td>
<td>now
</td>
</tr>
<tr>
<td><p><a name="GST-RTSP-TIME-END:CAPS"></a><span class="term"><code class="literal">GST_RTSP_TIME_END</code></span></p></td>
<td>end
</td>
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</table></div>
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<hr>
<div class="refsect2">
<a name="gst-rtsp-range-parse"></a><h3>gst_rtsp_range_parse ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstrtspdefs.html#GstRTSPResult" title="enum GstRTSPResult"><span class="returnvalue">GstRTSPResult</span></a> gst_rtsp_range_parse (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *rangestr</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTimeRange" title="struct GstRTSPTimeRange"><span class="type">GstRTSPTimeRange</span></a> **range</code></em>);</pre>
<p>
Parse <em class="parameter"><code>rangestr</code></em> to a <a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTimeRange" title="struct GstRTSPTimeRange"><span class="type">GstRTSPTimeRange</span></a>.
</p>
<div class="variablelist"><table border="0">
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<td><p><span class="term"><em class="parameter"><code>rangestr</code></em> :</span></p></td>
<td>a range string to parse</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>range</code></em> :</span></p></td>
<td>location to hold the <a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTimeRange" title="struct GstRTSPTimeRange"><span class="type">GstRTSPTimeRange</span></a> result</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a class="link" href="gst-plugins-base-libs-gstrtspdefs.html#GST-RTSP-OK:CAPS"><span class="type">GST_RTSP_OK</span></a> on success.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtsp-range-to-string"></a><h3>gst_rtsp_range_to_string ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * gst_rtsp_range_to_string (<em class="parameter"><code>const <a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTimeRange" title="struct GstRTSPTimeRange"><span class="type">GstRTSPTimeRange</span></a> *range</code></em>);</pre>
<p>
Convert <em class="parameter"><code>range</code></em> into a string representation.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>range</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTimeRange" title="struct GstRTSPTimeRange"><span class="type">GstRTSPTimeRange</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The string representation of <em class="parameter"><code>range</code></em>. <a href="/usr/share/gtk-doc/html/glib/glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a> after usage.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.23</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtsp-range-free"></a><h3>gst_rtsp_range_free ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gst_rtsp_range_free (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTimeRange" title="struct GstRTSPTimeRange"><span class="type">GstRTSPTimeRange</span></a> *range</code></em>);</pre>
<p>
Free the memory allocated by <em class="parameter"><code>range</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>range</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstrtsprange.html#GstRTSPTimeRange" title="struct GstRTSPTimeRange"><span class="type">GstRTSPTimeRange</span></a>
</td>
</tr></tbody>
</table></div>
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