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| <a href="#gst-plugins-base-libs-gsttagmux.description" class="shortcut">Description</a></span> |
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| <a name="gst-plugins-base-libs-gsttagmux"></a><div class="titlepage"></div> |
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| <h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gsttagmux.top_of_page"></a>gsttagmux</span></h2> |
| <p>gsttagmux — Base class for adding tags that are in one single chunk |
| directly at the beginning or at the end of a file</p> |
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| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gsttagmux.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="gst-plugins-base-libs-gsttagmux.html#GstTagMux" title="struct GstTagMux">GstTagMux</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gsttagmux.html#GstTagMuxClass" title="struct GstTagMuxClass">GstTagMuxClass</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gsttagmux.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gst/tag/gsttagmux.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gsttagmux.description"></a><h2>Description</h2> |
| <div class="refsect2"> |
| <a name="id-1.2.13.10.5.2"></a><h3>Deriving from GstTagMux</h3> |
| <p> |
| Provides a base class for adding tags at the beginning or end of a |
| stream. |
| </p> |
| <p> |
| Subclasses have to do the following things: |
| </p> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem"><p> |
| In their base init function, they must add pad templates for the sink |
| pad and the source pad to the element class, describing the media type |
| they accept and output in the caps of the pad template. |
| </p></li> |
| <li class="listitem"><p> |
| In their class init function, they must override the |
| GST_TAG_MUX_CLASS(mux_klass)->render_start_tag and/or |
| GST_TAG_MUX_CLASS(mux_klass)->render_end_tag vfuncs and set up a render |
| function. |
| </p></li> |
| </ul></div> |
| <p> |
| </p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gsttagmux.functions_details"></a><h2>Functions</h2> |
| <p></p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gsttagmux.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstTagMux"></a><h3>struct GstTagMux</h3> |
| <pre class="programlisting">struct GstTagMux { |
| GstElement element; |
| }; |
| </pre> |
| <p>Opaque <a class="link" href="gst-plugins-base-libs-gsttagmux.html#GstTagMux" title="struct GstTagMux"><span class="type">GstTagMux</span></a> structure.</p> |
| <div class="refsect3"> |
| <a name="GstTagMux.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><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstElement.html#GstElement-struct"><span class="type">GstElement</span></a> <em class="structfield"><code><a name="GstTagMux.element"></a>element</code></em>;</p></td> |
| <td class="struct_member_description"><p>parent element</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstTagMuxClass"></a><h3>struct GstTagMuxClass</h3> |
| <pre class="programlisting">struct GstTagMuxClass { |
| GstElementClass parent_class; |
| |
| /* vfuncs */ |
| GstBuffer * (*render_start_tag) (GstTagMux * mux, const GstTagList * tag_list); |
| GstBuffer * (*render_end_tag) (GstTagMux * mux, const GstTagList * tag_list); |
| }; |
| </pre> |
| <p>The <a class="link" href="gst-plugins-base-libs-gsttagmux.html#GstTagMuxClass" title="struct GstTagMuxClass"><span class="type">GstTagMuxClass</span></a> structure. Subclasses need to override at least one |
| of the two render vfuncs.</p> |
| <div class="refsect3"> |
| <a name="GstTagMuxClass.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="GstTagMuxClass.render-start-tag"></a>render_start_tag</code></em> ()</p></td> |
| <td class="struct_member_description"><p>create a tag buffer to add to the beginning of the |
| input stream given a tag list, or NULL</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GstTagMuxClass.render-end-tag"></a>render_end_tag</code></em> ()</p></td> |
| <td class="struct_member_description"><p>create a tag buffer to add to the end of the |
| input stream given a tag list, or NULL</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gsttagmux.see-also"></a><h2>See Also</h2> |
| <p>GstApeMux, GstId3Mux</p> |
| </div> |
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