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| <a href="#gstreamer-GstSample.synopsis" class="shortcut">Top</a> |
| | |
| <a href="#gstreamer-GstSample.description" class="shortcut">Description</a> |
| </td></tr> |
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| <div class="refentry"> |
| <a name="gstreamer-GstSample"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gstreamer-GstSample.top_of_page"></a>GstSample</span></h2> |
| <p>GstSample — A media sample</p> |
| </td> |
| <td valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsynopsisdiv"> |
| <a name="gstreamer-GstSample.synopsis"></a><h2>Synopsis</h2> |
| <pre class="synopsis"> |
| #include <gst/gst.h> |
| |
| <a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample">GstSample</a>; |
| <a class="link" href="gstreamer-GstBuffer.html#GstBuffer" title="struct GstBuffer"><span class="returnvalue">GstBuffer</span></a> * <a class="link" href="gstreamer-GstSample.html#gst-sample-get-buffer" title="gst_sample_get_buffer ()">gst_sample_get_buffer</a> (<em class="parameter"><code><a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> *sample</code></em>); |
| <a class="link" href="gstreamer-GstCaps.html#GstCaps" title="struct GstCaps"><span class="returnvalue">GstCaps</span></a> * <a class="link" href="gstreamer-GstSample.html#gst-sample-get-caps" title="gst_sample_get_caps ()">gst_sample_get_caps</a> (<em class="parameter"><code><a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> *sample</code></em>); |
| const <a class="link" href="gstreamer-GstStructure.html#GstStructure" title="struct GstStructure"><span class="returnvalue">GstStructure</span></a> * <a class="link" href="gstreamer-GstSample.html#gst-sample-get-info" title="gst_sample_get_info ()">gst_sample_get_info</a> (<em class="parameter"><code><a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> *sample</code></em>); |
| <a class="link" href="gstreamer-GstSegment.html#GstSegment" title="struct GstSegment"><span class="returnvalue">GstSegment</span></a> * <a class="link" href="gstreamer-GstSample.html#gst-sample-get-segment" title="gst_sample_get_segment ()">gst_sample_get_segment</a> (<em class="parameter"><code><a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> *sample</code></em>); |
| <a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="returnvalue">GstSample</span></a> * <a class="link" href="gstreamer-GstSample.html#gst-sample-new" title="gst_sample_new ()">gst_sample_new</a> (<em class="parameter"><code><a class="link" href="gstreamer-GstBuffer.html#GstBuffer" title="struct GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>, |
| <em class="parameter"><code><a class="link" href="gstreamer-GstCaps.html#GstCaps" title="struct GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code>const <a class="link" href="gstreamer-GstSegment.html#GstSegment" title="struct GstSegment"><span class="type">GstSegment</span></a> *segment</code></em>, |
| <em class="parameter"><code><a class="link" href="gstreamer-GstStructure.html#GstStructure" title="struct GstStructure"><span class="type">GstStructure</span></a> *info</code></em>); |
| <a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="returnvalue">GstSample</span></a> * <a class="link" href="gstreamer-GstSample.html#gst-sample-ref" title="gst_sample_ref ()">gst_sample_ref</a> (<em class="parameter"><code><a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> *sample</code></em>); |
| <span class="returnvalue">void</span> <a class="link" href="gstreamer-GstSample.html#gst-sample-unref" title="gst_sample_unref ()">gst_sample_unref</a> (<em class="parameter"><code><a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> *sample</code></em>); |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstSample.description"></a><h2>Description</h2> |
| <p> |
| A <a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> is a small object containing data, a type, timing and |
| extra arbitrary information. |
| </p> |
| <p> |
| Last reviewed on 2012-03-29 (0.11.3) |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstSample.details"></a><h2>Details</h2> |
| <div class="refsect2"> |
| <a name="GstSample"></a><h3>GstSample</h3> |
| <pre class="programlisting">typedef struct _GstSample GstSample;</pre> |
| <p> |
| The opaque structure of a <a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a>. A sample contains a typed memory |
| block and the associated timing information. It is mainly used to |
| exchange buffers with an application. |
| </p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-sample-get-buffer"></a><h3>gst_sample_get_buffer ()</h3> |
| <pre class="programlisting"><a class="link" href="gstreamer-GstBuffer.html#GstBuffer" title="struct GstBuffer"><span class="returnvalue">GstBuffer</span></a> * gst_sample_get_buffer (<em class="parameter"><code><a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> *sample</code></em>);</pre> |
| <p> |
| Get the buffer associated with <em class="parameter"><code>sample</code></em> |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>sample</code></em> :</span></p></td> |
| <td>a <a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> |
| </td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> |
| <td>the buffer of <em class="parameter"><code>sample</code></em> or NULL when there |
| is no buffer. The buffer remains valid as long as <em class="parameter"><code>sample</code></em> is valid. |
| If you need to hold on to it for longer than that, take a ref to |
| the buffer with <a class="link" href="gstreamer-GstBuffer.html#gst-buffer-ref" title="gst_buffer_ref ()"><code class="function">gst_buffer_ref()</code></a>. <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> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-sample-get-caps"></a><h3>gst_sample_get_caps ()</h3> |
| <pre class="programlisting"><a class="link" href="gstreamer-GstCaps.html#GstCaps" title="struct GstCaps"><span class="returnvalue">GstCaps</span></a> * gst_sample_get_caps (<em class="parameter"><code><a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> *sample</code></em>);</pre> |
| <p> |
| Get the caps associated with <em class="parameter"><code>sample</code></em> |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>sample</code></em> :</span></p></td> |
| <td>a <a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> |
| </td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> |
| <td>the caps of <em class="parameter"><code>sample</code></em> or NULL when there |
| is no caps. The caps remain valid as long as <em class="parameter"><code>sample</code></em> is valid. |
| If you need to hold on to the caps for longer than that, take a ref to |
| the caps with <a class="link" href="gstreamer-GstCaps.html#gst-caps-ref" title="gst_caps_ref ()"><code class="function">gst_caps_ref()</code></a>. <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> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-sample-get-info"></a><h3>gst_sample_get_info ()</h3> |
| <pre class="programlisting">const <a class="link" href="gstreamer-GstStructure.html#GstStructure" title="struct GstStructure"><span class="returnvalue">GstStructure</span></a> * gst_sample_get_info (<em class="parameter"><code><a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> *sample</code></em>);</pre> |
| <p> |
| Get extra information associated with <em class="parameter"><code>sample</code></em>. |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>sample</code></em> :</span></p></td> |
| <td>a <a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> |
| </td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> |
| <td>the extra info of <em class="parameter"><code>sample</code></em>. |
| The info remains valid as long as <em class="parameter"><code>sample</code></em> is valid. <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> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-sample-get-segment"></a><h3>gst_sample_get_segment ()</h3> |
| <pre class="programlisting"><a class="link" href="gstreamer-GstSegment.html#GstSegment" title="struct GstSegment"><span class="returnvalue">GstSegment</span></a> * gst_sample_get_segment (<em class="parameter"><code><a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> *sample</code></em>);</pre> |
| <p> |
| Get the segment associated with <em class="parameter"><code>sample</code></em> |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>sample</code></em> :</span></p></td> |
| <td>a <a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> |
| </td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> |
| <td>the segment of <em class="parameter"><code>sample</code></em>. |
| The segment remains valid as long as <em class="parameter"><code>sample</code></em> is valid. <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> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-sample-new"></a><h3>gst_sample_new ()</h3> |
| <pre class="programlisting"><a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="returnvalue">GstSample</span></a> * gst_sample_new (<em class="parameter"><code><a class="link" href="gstreamer-GstBuffer.html#GstBuffer" title="struct GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>, |
| <em class="parameter"><code><a class="link" href="gstreamer-GstCaps.html#GstCaps" title="struct GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code>const <a class="link" href="gstreamer-GstSegment.html#GstSegment" title="struct GstSegment"><span class="type">GstSegment</span></a> *segment</code></em>, |
| <em class="parameter"><code><a class="link" href="gstreamer-GstStructure.html#GstStructure" title="struct GstStructure"><span class="type">GstStructure</span></a> *info</code></em>);</pre> |
| <p> |
| Create a new <a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> with the provided details. |
| </p> |
| <p> |
| Free-function: gst_sample_unref |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td> |
| <td>a <a class="link" href="gstreamer-GstBuffer.html#GstBuffer" title="struct GstBuffer"><span class="type">GstBuffer</span></a>, or NULL. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</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><p><span class="term"><em class="parameter"><code>caps</code></em> :</span></p></td> |
| <td>a <a class="link" href="gstreamer-GstCaps.html#GstCaps" title="struct GstCaps"><span class="type">GstCaps</span></a>, or NULL. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</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><p><span class="term"><em class="parameter"><code>segment</code></em> :</span></p></td> |
| <td>a <a class="link" href="gstreamer-GstSegment.html#GstSegment" title="struct GstSegment"><span class="type">GstSegment</span></a>, or NULL. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</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><p><span class="term"><em class="parameter"><code>info</code></em> :</span></p></td> |
| <td>a <a class="link" href="gstreamer-GstStructure.html#GstStructure" title="struct GstStructure"><span class="type">GstStructure</span></a>, or NULL. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</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><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> |
| <td>the new <a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a>. <a class="link" href="gstreamer-GstSample.html#gst-sample-unref" title="gst_sample_unref ()"><code class="function">gst_sample_unref()</code></a> |
| after usage. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-sample-ref"></a><h3>gst_sample_ref ()</h3> |
| <pre class="programlisting"><a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="returnvalue">GstSample</span></a> * gst_sample_ref (<em class="parameter"><code><a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> *sample</code></em>);</pre> |
| <p> |
| Increases the refcount of the given sample by one. |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>sample</code></em> :</span></p></td> |
| <td>a <a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> |
| </td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> |
| <td> |
| <em class="parameter"><code>sample</code></em>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-sample-unref"></a><h3>gst_sample_unref ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> gst_sample_unref (<em class="parameter"><code><a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a> *sample</code></em>);</pre> |
| <p> |
| Decreases the refcount of the sample. If the refcount reaches 0, the |
| sample will be freed. |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody><tr> |
| <td><p><span class="term"><em class="parameter"><code>sample</code></em> :</span></p></td> |
| <td>a <a class="link" href="gstreamer-GstSample.html#GstSample" title="GstSample"><span class="type">GstSample</span></a>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span> |
| </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstSample.see-also"></a><h2>See Also</h2> |
| <a class="link" href="gstreamer-GstBuffer.html#GstBuffer" title="struct GstBuffer"><span class="type">GstBuffer</span></a>, <a class="link" href="gstreamer-GstCaps.html#GstCaps" title="struct GstCaps"><span class="type">GstCaps</span></a>, <a class="link" href="gstreamer-GstSegment.html#GstSegment" title="struct GstSegment"><span class="type">GstSegment</span></a> |
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