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| <a href="#gst-plugins-bad-libs-GstVideoAggregatorPad.description" class="shortcut">Description</a></span> |
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| <a name="gst-plugins-bad-libs-GstVideoAggregatorPad"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gst-plugins-bad-libs-GstVideoAggregatorPad.top_of_page"></a>GstVideoAggregatorPad</span></h2> |
| <p>GstVideoAggregatorPad</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-libs-GstVideoAggregatorPad.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-bad-libs-GstVideoAggregatorPad.html#GstVideoAggregatorPad" title="struct GstVideoAggregatorPad">GstVideoAggregatorPad</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="gst-plugins-bad-libs-GstVideoAggregatorPad.html#GstVideoAggregatorPadClass" title="struct GstVideoAggregatorPadClass">GstVideoAggregatorPadClass</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-libs-GstVideoAggregatorPad.description"></a><h2>Description</h2> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-libs-GstVideoAggregatorPad.functions_details"></a><h2>Functions</h2> |
| <p></p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-libs-GstVideoAggregatorPad.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstVideoAggregatorPad"></a><h3>struct GstVideoAggregatorPad</h3> |
| <pre class="programlisting">struct GstVideoAggregatorPad { |
| GstAggregatorPad parent; |
| |
| GstVideoInfo info; |
| |
| GstBuffer *buffer; |
| /* The caps on the pad may not match the buffer above because of two reasons: |
| * 1) When caps change, the info above will get updated, but the buffer might |
| * not since it might be pending on the GstAggregatorPad |
| * 2) We might reject the new buffer in fill_queues() and reuse a previous |
| * buffer which has older GstVideoInfo |
| * Hence, we need to maintain a GstVideoInfo for mapping buffers separately */ |
| GstVideoInfo buffer_vinfo; |
| |
| GstVideoFrame *aggregated_frame; |
| |
| /* properties */ |
| guint zorder; |
| gboolean ignore_eos; |
| }; |
| </pre> |
| <div class="refsect3"> |
| <a name="GstVideoAggregatorPad.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 class="link" href="gst-plugins-bad-libs-GstAggregatorPad.html#GstAggregatorPad" title="struct GstAggregatorPad"><span class="type">GstAggregatorPad</span></a> <em class="structfield"><code><a name="GstVideoAggregatorPad.parent"></a>parent</code></em>;</p></td> |
| <td> </td> |
| <td> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0gst-plugins-base-libs-gstvideo.html#GstVideoInfo"><span class="type">GstVideoInfo</span></a> <em class="structfield"><code><a name="GstVideoAggregatorPad.info"></a>info</code></em>;</p></td> |
| <td class="struct_member_description"><p>The <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0gst-plugins-base-libs-gstvideo.html#GstVideoInfo"><span class="type">GstVideoInfo</span></a> currently set on the pad</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> *<em class="structfield"><code><a name="GstVideoAggregatorPad.buffer"></a>buffer</code></em>;</p></td> |
| <td> </td> |
| <td> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0gst-plugins-base-libs-gstvideo.html#GstVideoInfo"><span class="type">GstVideoInfo</span></a> <em class="structfield"><code><a name="GstVideoAggregatorPad.buffer-vinfo"></a>buffer_vinfo</code></em>;</p></td> |
| <td class="struct_member_description"><p>The <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0gst-plugins-base-libs-gstvideo.html#GstVideoInfo"><span class="type">GstVideoInfo</span></a> representing the type contained |
| in <em class="parameter"><code>buffer</code></em> |
| </p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0gst-plugins-base-libs-gstvideo.html#GstVideoFrame"><span class="type">GstVideoFrame</span></a> *<em class="structfield"><code><a name="GstVideoAggregatorPad.aggregated-frame"></a>aggregated_frame</code></em>;</p></td> |
| <td class="struct_member_description"><p>The <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0gst-plugins-base-libs-gstvideo.html#GstVideoFrame"><span class="type">GstVideoFrame</span></a> ready to be used for aggregation |
| inside the aggregate_frames vmethod.</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstVideoAggregatorPad.zorder"></a>zorder</code></em>;</p></td> |
| <td class="struct_member_description"><p>The zorder of this pad</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> <em class="structfield"><code><a name="GstVideoAggregatorPad.ignore-eos"></a>ignore_eos</code></em>;</p></td> |
| <td> </td> |
| <td> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstVideoAggregatorPadClass"></a><h3>struct GstVideoAggregatorPadClass</h3> |
| <pre class="programlisting">struct GstVideoAggregatorPadClass { |
| GstAggregatorPadClass parent_class; |
| gboolean (*set_info) (GstVideoAggregatorPad * pad, |
| GstVideoAggregator * videoaggregator, |
| GstVideoInfo * current_info, |
| GstVideoInfo * wanted_info); |
| |
| gboolean (*prepare_frame) (GstVideoAggregatorPad * pad, |
| GstVideoAggregator * videoaggregator); |
| |
| void (*clean_frame) (GstVideoAggregatorPad * pad, |
| GstVideoAggregator * videoaggregator); |
| |
| gpointer _gst_reserved[GST_PADDING_LARGE]; |
| }; |
| </pre> |
| <p><em class="parameter"><code>set_info</code></em> |
| : Lets subclass set a converter on the pad, |
| right after a new format has been negotiated. |
| <em class="parameter"><code>prepare_frame</code></em> |
| : Prepare the frame from the pad buffer (if any) |
| and sets it to <em class="parameter"><code>aggregated_frame</code></em> |
| |
| <em class="parameter"><code>clean_frame</code></em> |
| : clean the frame previously prepared in prepare_frame</p> |
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