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| <a href="#gst-plugins-base-libs-gsttagvorbis.description" class="shortcut">Description</a></span> |
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| <div class="refentry"> |
| <a name="gst-plugins-base-libs-gsttagvorbis"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gsttagvorbis.top_of_page"></a>gsttagvorbis</span></h2> |
| <p>gsttagvorbis — tag mappings and support functions for plugins |
| dealing with vorbiscomments</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gsttagvorbis.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">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="gst-plugins-base-libs-gsttagvorbis.html#gst-tag-from-vorbis-tag" title="gst_tag_from_vorbis_tag ()">gst_tag_from_vorbis_tag</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="gst-plugins-base-libs-gsttagvorbis.html#gst-tag-to-vorbis-tag" title="gst_tag_to_vorbis_tag ()">gst_tag_to_vorbis_tag</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="gst-plugins-base-libs-gsttagvorbis.html#gst-vorbis-tag-add" title="gst_vorbis_tag_add ()">gst_vorbis_tag_add</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gsttagvorbis.html#gst-tag-to-vorbis-comments" title="gst_tag_to_vorbis_comments ()">gst_tag_to_vorbis_comments</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GstTagList-struct"><span class="returnvalue">GstTagList</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gsttagvorbis.html#gst-tag-list-from-vorbiscomment" title="gst_tag_list_from_vorbiscomment ()">gst_tag_list_from_vorbiscomment</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GstTagList-struct"><span class="returnvalue">GstTagList</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gsttagvorbis.html#gst-tag-list-from-vorbiscomment-buffer" title="gst_tag_list_from_vorbiscomment_buffer ()">gst_tag_list_from_vorbiscomment_buffer</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gsttagvorbis.html#gst-tag-list-to-vorbiscomment-buffer" title="gst_tag_list_to_vorbiscomment_buffer ()">gst_tag_list_to_vorbiscomment_buffer</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gsttagvorbis.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gst/tag/tag.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gsttagvorbis.description"></a><h2>Description</h2> |
| <div class="refsect2"> |
| <a name="id-1.2.13.4.5.2"></a><p> |
| Contains various utility functions for plugins to parse or create |
| vorbiscomments and map them to and from <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GstTagList-struct"><span class="type">GstTagList</span></a>s. |
| </p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gsttagvorbis.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="gst-tag-from-vorbis-tag"></a><h3>gst_tag_from_vorbis_tag ()</h3> |
| <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_tag_from_vorbis_tag (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *vorbis_tag</code></em>);</pre> |
| <p>Looks up the GStreamer tag for a vorbiscomment tag.</p> |
| <div class="refsect3"> |
| <a name="gst-tag-from-vorbis-tag.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>vorbis_tag</p></td> |
| <td class="parameter_description"><p>vorbiscomment tag to convert to GStreamer tag</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-tag-from-vorbis-tag.returns"></a><h4>Returns</h4> |
| <p> The corresponding GStreamer tag or NULL if none exists.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-tag-to-vorbis-tag"></a><h3>gst_tag_to_vorbis_tag ()</h3> |
| <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_tag_to_vorbis_tag (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *gst_tag</code></em>);</pre> |
| <p>Looks up the vorbiscomment tag for a GStreamer tag.</p> |
| <div class="refsect3"> |
| <a name="gst-tag-to-vorbis-tag.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>gst_tag</p></td> |
| <td class="parameter_description"><p>GStreamer tag to convert to vorbiscomment tag</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-tag-to-vorbis-tag.returns"></a><h4>Returns</h4> |
| <p> The corresponding vorbiscomment tag or NULL if none exists.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-vorbis-tag-add"></a><h3>gst_vorbis_tag_add ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_vorbis_tag_add (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GstTagList-struct"><span class="type">GstTagList</span></a> *list</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *tag</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *value</code></em>);</pre> |
| <p>Convenience function using <a class="link" href="gst-plugins-base-libs-gsttagvorbis.html#gst-tag-from-vorbis-tag" title="gst_tag_from_vorbis_tag ()"><code class="function">gst_tag_from_vorbis_tag()</code></a>, parsing |
| a vorbis comment string into the right type and adding it to the |
| given taglist <em class="parameter"><code>list</code></em> |
| .</p> |
| <p>Unknown vorbiscomment tags will be added to the tag list in form |
| of a <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GST-TAG-EXTENDED-COMMENT:CAPS"><span class="type">GST_TAG_EXTENDED_COMMENT</span></a>.</p> |
| <div class="refsect3"> |
| <a name="gst-vorbis-tag-add.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>list</p></td> |
| <td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GstTagList-struct"><span class="type">GstTagList</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>tag</p></td> |
| <td class="parameter_description"><p>a vorbiscomment tag string (key in key=value), must be valid UTF-8</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>value</p></td> |
| <td class="parameter_description"><p>a vorbiscomment value string (value in key=value), must be valid UTF-8</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-tag-to-vorbis-comments"></a><h3>gst_tag_to_vorbis_comments ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * |
| gst_tag_to_vorbis_comments (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GstTagList-struct"><span class="type">GstTagList</span></a> *list</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *tag</code></em>);</pre> |
| <p>Creates a new tag list that contains the information parsed out of a |
| vorbiscomment packet.</p> |
| <div class="refsect3"> |
| <a name="gst-tag-to-vorbis-comments.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>list</p></td> |
| <td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GstTagList-struct"><span class="type">GstTagList</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>tag</p></td> |
| <td class="parameter_description"><p>a GStreamer tag identifier, such as <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GST-TAG-ARTIST:CAPS"><span class="type">GST_TAG_ARTIST</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-tag-to-vorbis-comments.returns"></a><h4>Returns</h4> |
| <p> A <a href="/usr/share/gtk-doc/html/glibglib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> of newly-allocated |
| key=value strings. Free with g_list_foreach (list, (GFunc) g_free, NULL) |
| plus g_list_free (list). </p> |
| <p><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> utf8][<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-tag-list-from-vorbiscomment"></a><h3>gst_tag_list_from_vorbiscomment ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GstTagList-struct"><span class="returnvalue">GstTagList</span></a> * |
| gst_tag_list_from_vorbiscomment (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *data</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gsize"><span class="type">gsize</span></a> size</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *id_data</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> id_data_length</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> **vendor_string</code></em>);</pre> |
| <p>Creates a new tag list that contains the information parsed out of a |
| vorbiscomment packet.</p> |
| <div class="refsect3"> |
| <a name="gst-tag-list-from-vorbiscomment.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>data</p></td> |
| <td class="parameter_description"><p>data to convert</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>size</p></td> |
| <td class="parameter_description"><p>size of <em class="parameter"><code>data</code></em> |
| </p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>id_data</p></td> |
| <td class="parameter_description"><p>identification data at start of stream</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>id_data_length</p></td> |
| <td class="parameter_description"><p>length of identification data</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>vendor_string</p></td> |
| <td class="parameter_description"><p>pointer to a string that should take the vendor string |
| of this vorbis comment or NULL if you don't need it.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-tag-list-from-vorbiscomment.returns"></a><h4>Returns</h4> |
| <p> A new <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GstTagList-struct"><span class="type">GstTagList</span></a> with all tags that could be extracted from the |
| given vorbiscomment buffer or NULL on error.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-tag-list-from-vorbiscomment-buffer"></a><h3>gst_tag_list_from_vorbiscomment_buffer ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GstTagList-struct"><span class="returnvalue">GstTagList</span></a> * |
| gst_tag_list_from_vorbiscomment_buffer |
| (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> *buffer</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *id_data</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> id_data_length</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> **vendor_string</code></em>);</pre> |
| <p>Creates a new tag list that contains the information parsed out of a |
| vorbiscomment packet.</p> |
| <div class="refsect3"> |
| <a name="gst-tag-list-from-vorbiscomment-buffer.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>buffer</p></td> |
| <td class="parameter_description"><p>buffer to convert</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>id_data</p></td> |
| <td class="parameter_description"><p>identification data at start of stream</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>id_data_length</p></td> |
| <td class="parameter_description"><p>length of identification data</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>vendor_string</p></td> |
| <td class="parameter_description"><p>pointer to a string that should take the vendor string |
| of this vorbis comment or NULL if you don't need it.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-tag-list-from-vorbiscomment-buffer.returns"></a><h4>Returns</h4> |
| <p> A new <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GstTagList-struct"><span class="type">GstTagList</span></a> with all tags that could be extracted from the |
| given vorbiscomment buffer or NULL on error.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-tag-list-to-vorbiscomment-buffer"></a><h3>gst_tag_list_to_vorbiscomment_buffer ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> * |
| gst_tag_list_to_vorbiscomment_buffer (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GstTagList-struct"><span class="type">GstTagList</span></a> *list</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *id_data</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> id_data_length</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *vendor_string</code></em>);</pre> |
| <p>Creates a new vorbiscomment buffer from a tag list.</p> |
| <div class="refsect3"> |
| <a name="gst-tag-list-to-vorbiscomment-buffer.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>list</p></td> |
| <td class="parameter_description"><p>tag list to convert</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>id_data</p></td> |
| <td class="parameter_description"><p>identification data at start of stream</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>id_data_length</p></td> |
| <td class="parameter_description"><p>length of identification data, may be 0 if <em class="parameter"><code>id_data</code></em> |
| is NULL</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>vendor_string</p></td> |
| <td class="parameter_description"><p>string that describes the vendor string or NULL</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-tag-list-to-vorbiscomment-buffer.returns"></a><h4>Returns</h4> |
| <p> A new <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> containing a vorbiscomment buffer with all tags |
| that could be converted from the given tag list.</p> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gsttagvorbis.other_details"></a><h2>Types and Values</h2> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gsttagvorbis.see-also"></a><h2>See Also</h2> |
| <p><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstTagList.html#GstTagList-struct"><span class="type">GstTagList</span></a></p> |
| </div> |
| </div> |
| <div class="footer"> |
| <hr>Generated by GTK-Doc V1.25</div> |
| </body> |
| </html> |
