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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>GStreamer Bad Plugins 0.10 Library Reference Manual: GstBaseVideoCodec</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
<link rel="home" href="index.html" title="GStreamer Bad Plugins 0.10 Library Reference Manual">
<link rel="up" href="video.html" title="Base video element classes">
<link rel="prev" href="video.html" title="Base video element classes">
<link rel="next" href="gst-plugins-bad-libs-GstBaseVideoDecoder.html" title="GstBaseVideoDecoder">
<meta name="generator" content="GTK-Doc V1.20 (XML mode)">
<link rel="stylesheet" href="style.css" type="text/css">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="10"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> 
                  <a href="#gst-plugins-bad-libs-GstBaseVideoCodec.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 
                  <a href="#gst-plugins-bad-libs-GstBaseVideoCodec.object-hierarchy" class="shortcut">Object Hierarchy</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="video.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
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<td><a accesskey="n" href="gst-plugins-bad-libs-GstBaseVideoDecoder.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="refentry">
<a name="gst-plugins-bad-libs-GstBaseVideoCodec"></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-GstBaseVideoCodec.top_of_page"></a>GstBaseVideoCodec</span></h2>
<p>GstBaseVideoCodec</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-GstBaseVideoCodec.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GST-BASE-VIDEO-CODEC-SRC-PAD:CAPS" title="GST_BASE_VIDEO_CODEC_SRC_PAD()">GST_BASE_VIDEO_CODEC_SRC_PAD</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GST-BASE-VIDEO-CODEC-SINK-PAD:CAPS" title="GST_BASE_VIDEO_CODEC_SINK_PAD()">GST_BASE_VIDEO_CODEC_SINK_PAD</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GST-BASE-VIDEO-CODEC-STREAM-LOCK:CAPS" title="GST_BASE_VIDEO_CODEC_STREAM_LOCK()">GST_BASE_VIDEO_CODEC_STREAM_LOCK</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GST-BASE-VIDEO-CODEC-STREAM-UNLOCK:CAPS" title="GST_BASE_VIDEO_CODEC_STREAM_UNLOCK()">GST_BASE_VIDEO_CODEC_STREAM_UNLOCK</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrame" title="struct GstVideoFrame"><span class="returnvalue">GstVideoFrame</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#gst-base-video-codec-new-frame" title="gst_base_video_codec_new_frame ()">gst_base_video_codec_new_frame</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-bad-libs-GstBaseVideoCodec.html#gst-base-video-codec-free-frame" title="gst_base_video_codec_free_frame ()">gst_base_video_codec_free_frame</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-GstBaseVideoCodec.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GST-BASE-VIDEO-CODEC-SINK-NAME:CAPS" title="GST_BASE_VIDEO_CODEC_SINK_NAME">GST_BASE_VIDEO_CODEC_SINK_NAME</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GST-BASE-VIDEO-CODEC-SRC-NAME:CAPS" title="GST_BASE_VIDEO_CODEC_SRC_NAME">GST_BASE_VIDEO_CODEC_SRC_NAME</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GST-BASE-VIDEO-CODEC-FLOW-NEED-DATA:CAPS" title="GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA">GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoState" title="struct GstVideoState">GstVideoState</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrame" title="struct GstVideoFrame">GstVideoFrame</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodec" title="struct GstBaseVideoCodec">GstBaseVideoCodec</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodecClass" title="struct GstBaseVideoCodecClass">GstBaseVideoCodecClass</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-GstBaseVideoCodec.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-GstBaseVideoCodec.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-GstBaseVideoCodec.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="GST-BASE-VIDEO-CODEC-SRC-PAD:CAPS"></a><h3>GST_BASE_VIDEO_CODEC_SRC_PAD()</h3>
<pre class="programlisting">#define GST_BASE_VIDEO_CODEC_SRC_PAD(obj)         (((GstBaseVideoCodec *) (obj))-&gt;srcpad)
</pre>
<p>Gives the pointer to the source <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html"><span class="type">GstPad</span></a> object of the element.</p>
<div class="refsect3">
<a name="id-1.2.5.2.7.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>obj</p></td>
<td class="parameter_description"><p>base video codec instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-BASE-VIDEO-CODEC-SINK-PAD:CAPS"></a><h3>GST_BASE_VIDEO_CODEC_SINK_PAD()</h3>
<pre class="programlisting">#define GST_BASE_VIDEO_CODEC_SINK_PAD(obj)        (((GstBaseVideoCodec *) (obj))-&gt;sinkpad)
</pre>
<p>Gives the pointer to the sink <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html"><span class="type">GstPad</span></a> object of the element.</p>
<div class="refsect3">
<a name="id-1.2.5.2.7.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>obj</p></td>
<td class="parameter_description"><p>base video codec instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-BASE-VIDEO-CODEC-STREAM-LOCK:CAPS"></a><h3>GST_BASE_VIDEO_CODEC_STREAM_LOCK()</h3>
<pre class="programlisting">#define GST_BASE_VIDEO_CODEC_STREAM_LOCK(codec) g_static_rec_mutex_lock (&amp;GST_BASE_VIDEO_CODEC (codec)-&gt;stream_lock)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-BASE-VIDEO-CODEC-STREAM-UNLOCK:CAPS"></a><h3>GST_BASE_VIDEO_CODEC_STREAM_UNLOCK()</h3>
<pre class="programlisting">#define GST_BASE_VIDEO_CODEC_STREAM_UNLOCK(codec) g_static_rec_mutex_unlock (&amp;GST_BASE_VIDEO_CODEC (codec)-&gt;stream_lock)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-base-video-codec-new-frame"></a><h3>gst_base_video_codec_new_frame ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrame" title="struct GstVideoFrame"><span class="returnvalue">GstVideoFrame</span></a> *
gst_base_video_codec_new_frame (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodec" title="struct GstBaseVideoCodec"><span class="type">GstBaseVideoCodec</span></a> *base_video_codec</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-base-video-codec-free-frame"></a><h3>gst_base_video_codec_free_frame ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_base_video_codec_free_frame (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrame" title="struct GstVideoFrame"><span class="type">GstVideoFrame</span></a> *frame</code></em>);</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-GstBaseVideoCodec.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GST-BASE-VIDEO-CODEC-SINK-NAME:CAPS"></a><h3>GST_BASE_VIDEO_CODEC_SINK_NAME</h3>
<pre class="programlisting">#define GST_BASE_VIDEO_CODEC_SINK_NAME    "sink"
</pre>
<p>The name of the templates for the sink pad.</p>
</div>
<hr>
<div class="refsect2">
<a name="GST-BASE-VIDEO-CODEC-SRC-NAME:CAPS"></a><h3>GST_BASE_VIDEO_CODEC_SRC_NAME</h3>
<pre class="programlisting">#define GST_BASE_VIDEO_CODEC_SRC_NAME     "src"
</pre>
<p>The name of the templates for the source pad.</p>
</div>
<hr>
<div class="refsect2">
<a name="GST-BASE-VIDEO-CODEC-FLOW-NEED-DATA:CAPS"></a><h3>GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA</h3>
<pre class="programlisting">#define GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoState"></a><h3>struct GstVideoState</h3>
<pre class="programlisting">struct GstVideoState {
  GstCaps *caps;
  GstVideoFormat format;
  int width, height;
  int fps_n, fps_d;
  int par_n, par_d;

  gboolean have_interlaced;
  gboolean interlaced;
  gboolean top_field_first;

  int clean_width, clean_height;
  int clean_offset_left, clean_offset_top;

  int bytes_per_picture;

  GstBuffer *codec_data;
};
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoFrame"></a><h3>struct GstVideoFrame</h3>
<pre class="programlisting">struct GstVideoFrame {
  GstClockTime decode_timestamp;
  GstClockTime presentation_timestamp;
  GstClockTime presentation_duration;

  gint system_frame_number;
  gint decode_frame_number;
  gint presentation_frame_number;

  int distance_from_sync;
  gboolean is_sync_point;
  gboolean is_eos;

  GstBuffer *sink_buffer;
  GstBuffer *src_buffer;

  int field_index;
  int n_fields;

  void *coder_hook;
  GDestroyNotify coder_hook_destroy_notify;

  GstClockTime deadline;

  gboolean force_keyframe;
  gboolean force_keyframe_headers;

  /* Events that should be pushed downstream *before*
   * the next src_buffer */
  GList *events;
};
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstBaseVideoCodec"></a><h3>struct GstBaseVideoCodec</h3>
<pre class="programlisting">struct GstBaseVideoCodec {
  GstElement element;
};
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstBaseVideoCodecClass"></a><h3>struct GstBaseVideoCodecClass</h3>
<pre class="programlisting">struct GstBaseVideoCodecClass {
  GstElementClass element_class;

  /* FIXME before moving to base */
  void *padding[GST_PADDING_LARGE];
};
</pre>
</div>
</div>
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