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| <a href="#gstreamer-GstStreamCollection.description" class="shortcut">Description</a></span> |
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| <a name="gstreamer-GstStreamCollection"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gstreamer-GstStreamCollection.top_of_page"></a>GstStreamCollection</span></h2> |
| <p>GstStreamCollection — Base class for collection of streams</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstStreamCollection.functions"></a><h2>Functions</h2> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="functions_return"> |
| <col class="functions_name"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="returnvalue">GstStreamCollection</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstStreamCollection.html#gst-stream-collection-new" title="gst_stream_collection_new ()">gst_stream_collection_new</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstStreamCollection.html#gst-stream-collection-add-stream" title="gst_stream_collection_add_stream ()">gst_stream_collection_add_stream</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstStreamCollection.html#gst-stream-collection-get-upstream-id" title="gst_stream_collection_get_upstream_id ()">gst_stream_collection_get_upstream_id</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstStreamCollection.html#gst-stream-collection-get-size" title="gst_stream_collection_get_size ()">gst_stream_collection_get_size</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="gstreamer-GstStream.html#GstStream" title="struct GstStream"><span class="returnvalue">GstStream</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstStreamCollection.html#gst-stream-collection-get-stream" title="gst_stream_collection_get_stream ()">gst_stream_collection_get_stream</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstStreamCollection.other"></a><h2>Types and Values</h2> |
| <div class="informaltable"><table class="informaltable" 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="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection">GstStreamCollection</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollectionClass" title="struct GstStreamCollectionClass">GstStreamCollectionClass</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstStreamCollection.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gst/gst.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstStreamCollection.description"></a><h2>Description</h2> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstStreamCollection.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="gst-stream-collection-new"></a><h3>gst_stream_collection_new ()</h3> |
| <pre class="programlisting"><a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="returnvalue">GstStreamCollection</span></a> * |
| gst_stream_collection_new (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *upstream_id</code></em>);</pre> |
| <p>Create a new <a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="type">GstStreamCollection</span></a>.</p> |
| <div class="refsect3"> |
| <a name="gst-stream-collection-new.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>upstream_id</p></td> |
| <td class="parameter_description"><p> The stream id of the parent stream. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<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="gst-stream-collection-new.returns"></a><h4>Returns</h4> |
| <p> The new <a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="type">GstStreamCollection</span></a>.</p> |
| </div> |
| <p class="since">Since: 1.10</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-stream-collection-add-stream"></a><h3>gst_stream_collection_add_stream ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_stream_collection_add_stream (<em class="parameter"><code><a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="type">GstStreamCollection</span></a> *collection</code></em>, |
| <em class="parameter"><code><a class="link" href="gstreamer-GstStream.html#GstStream" title="struct GstStream"><span class="type">GstStream</span></a> *stream</code></em>);</pre> |
| <p>Add the given <em class="parameter"><code>stream</code></em> |
| to the <em class="parameter"><code>collection</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-stream-collection-add-stream.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>collection</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="type">GstStreamCollection</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>stream</p></td> |
| <td class="parameter_description"><p> the <a class="link" href="gstreamer-GstStream.html#GstStream" title="struct GstStream"><span class="type">GstStream</span></a> to add. </p></td> |
| <td class="parameter_annotations"><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 class="refsect3"> |
| <a name="gst-stream-collection-add-stream.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the <em class="parameter"><code>stream</code></em> |
| was properly added, else <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a></p> |
| </div> |
| <p class="since">Since: 1.10</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-stream-collection-get-upstream-id"></a><h3>gst_stream_collection_get_upstream_id ()</h3> |
| <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_stream_collection_get_upstream_id (<em class="parameter"><code><a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="type">GstStreamCollection</span></a> *collection</code></em>);</pre> |
| <p>Returns the upstream id of the <em class="parameter"><code>collection</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-stream-collection-get-upstream-id.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>collection</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="type">GstStreamCollection</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-stream-collection-get-upstream-id.returns"></a><h4>Returns</h4> |
| <p> The upstream id. </p> |
| <p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: 1.10</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-stream-collection-get-size"></a><h3>gst_stream_collection_get_size ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| gst_stream_collection_get_size (<em class="parameter"><code><a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="type">GstStreamCollection</span></a> *collection</code></em>);</pre> |
| <p>Get the number of streams this collection contains</p> |
| <div class="refsect3"> |
| <a name="gst-stream-collection-get-size.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>collection</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="type">GstStreamCollection</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-stream-collection-get-size.returns"></a><h4>Returns</h4> |
| <p> The number of streams that <em class="parameter"><code>collection</code></em> |
| contains</p> |
| </div> |
| <p class="since">Since: 1.10</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-stream-collection-get-stream"></a><h3>gst_stream_collection_get_stream ()</h3> |
| <pre class="programlisting"><a class="link" href="gstreamer-GstStream.html#GstStream" title="struct GstStream"><span class="returnvalue">GstStream</span></a> * |
| gst_stream_collection_get_stream (<em class="parameter"><code><a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="type">GstStreamCollection</span></a> *collection</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> index</code></em>);</pre> |
| <p>Retrieve the <a class="link" href="gstreamer-GstStream.html#GstStream" title="struct GstStream"><span class="type">GstStream</span></a> with index <em class="parameter"><code>index</code></em> |
| from the collection.</p> |
| <p>The caller should not modify the returned <a class="link" href="gstreamer-GstStream.html#GstStream" title="struct GstStream"><span class="type">GstStream</span></a></p> |
| <div class="refsect3"> |
| <a name="gst-stream-collection-get-stream.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>collection</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="type">GstStreamCollection</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>index</p></td> |
| <td class="parameter_description"><p>Index of the stream to retrieve</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-stream-collection-get-stream.returns"></a><h4>Returns</h4> |
| <p> A <a class="link" href="gstreamer-GstStream.html#GstStream" title="struct GstStream"><span class="type">GstStream</span></a>. </p> |
| <p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: 1.10</p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstStreamCollection.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstStreamCollection"></a><h3>struct GstStreamCollection</h3> |
| <pre class="programlisting">struct GstStreamCollection { |
| GstObject object; |
| }; |
| </pre> |
| <p>A collection of <a class="link" href="gstreamer-GstStream.html#GstStream" title="struct GstStream"><span class="type">GstStream</span></a> that are available.</p> |
| <p>A <a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="type">GstStreamCollection</span></a> will be provided by elements that can make those |
| streams available. Applications can use the collection to show the user |
| what streams are available by using <a class="link" href="gstreamer-GstStreamCollection.html#gst-stream-collection-get-stream" title="gst_stream_collection_get_stream ()"><code class="literal">gst_stream_collection_get_stream</code></a>()</p> |
| <p>Once posted, a <a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="type">GstStreamCollection</span></a> is immutable. Updates are made by sending |
| a new <a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="type">GstStreamCollection</span></a> message, which may or may not share some of |
| the <a class="link" href="gstreamer-GstStream.html#GstStream" title="struct GstStream"><span class="type">GstStream</span></a> objects from the collection it replaces. The receiver can check |
| the sender of a stream collection message to know which collection is |
| obsoleted.</p> |
| <p>Several elements in a pipeline can provide <a class="link" href="gstreamer-GstStreamCollection.html#GstStreamCollection" title="struct GstStreamCollection"><span class="type">GstStreamCollection</span></a>.</p> |
| <p>Applications can activate streams from a collection by using the |
| <a class="link" href="GstEvent.html#GST-EVENT-SELECT-STREAMS:CAPS"><span class="type">GST_EVENT_SELECT_STREAMS</span></a> event on a pipeline, bin or element.</p> |
| <p class="since">Since: 1.10</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstStreamCollectionClass"></a><h3>struct GstStreamCollectionClass</h3> |
| <pre class="programlisting">struct GstStreamCollectionClass { |
| GstObjectClass parent_class; |
| |
| /* signals */ |
| void (*stream_notify) (GstStreamCollection *collection, GstStream *stream, GParamSpec * pspec); |
| }; |
| </pre> |
| <p>GstStreamCollection class structure</p> |
| <div class="refsect3"> |
| <a name="GstStreamCollectionClass.members"></a><h4>Members</h4> |
| <div class="informaltable"><table class="informaltable" 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><em class="structfield"><code><a name="GstStreamCollectionClass.stream-notify"></a>stream_notify</code></em> ()</p></td> |
| <td class="struct_member_description"><p>default signal handler for the stream-notify signal</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="footer"> |
| <hr>Generated by GTK-Doc V1.25</div> |
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