/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstvideosink.html is in gstreamer1.0-plugins-base-doc 1.2.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 | <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>gstvideosink</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
<link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Library Reference Manual">
<link rel="up" href="gstreamer-video.html" title="Video Library">
<link rel="prev" href="gst-plugins-base-libs-gstvideofilter.html" title="gstvideofilter">
<link rel="next" href="gst-plugins-base-libs-gstcolorbalance.html" title="gstcolorbalance">
<meta name="generator" content="GTK-Doc V1.19 (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="2">
<tr valign="middle">
<td><a accesskey="p" href="gst-plugins-base-libs-gstvideofilter.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td>
<td><a accesskey="u" href="gstreamer-video.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td>
<th width="100%" align="center">GStreamer Base Plugins 1.0 Library Reference Manual</th>
<td><a accesskey="n" href="gst-plugins-base-libs-gstcolorbalance.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
</tr>
<tr><td colspan="5" class="shortcuts">
<a href="#gst-plugins-base-libs-gstvideosink.synopsis" class="shortcut">Top</a>
|
<a href="#gst-plugins-base-libs-gstvideosink.description" class="shortcut">Description</a>
|
<a href="#gst-plugins-base-libs-gstvideosink.object-hierarchy" class="shortcut">Object Hierarchy</a>
|
<a href="#gst-plugins-base-libs-gstvideosink.properties" class="shortcut">Properties</a>
</td></tr>
</table>
<div class="refentry">
<a name="gst-plugins-base-libs-gstvideosink"></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-gstvideosink.top_of_page"></a>gstvideosink</span></h2>
<p>gstvideosink — Base class for video sinks</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="gst-plugins-base-libs-gstvideosink.synopsis"></a><h2>Synopsis</h2>
<a name="GstVideoSink"></a><pre class="synopsis">
#include <gst/video/gstvideosink.h>
struct <a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoSink-struct" title="struct GstVideoSink">GstVideoSink</a>;
struct <a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoSinkClass" title="struct GstVideoSinkClass">GstVideoSinkClass</a>;
struct <a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoRectangle" title="struct GstVideoRectangle">GstVideoRectangle</a>;
#define <a class="link" href="gst-plugins-base-libs-gstvideosink.html#GST-VIDEO-SINK-HEIGHT:CAPS" title="GST_VIDEO_SINK_HEIGHT()">GST_VIDEO_SINK_HEIGHT</a> (obj)
#define <a class="link" href="gst-plugins-base-libs-gstvideosink.html#GST-VIDEO-SINK-PAD:CAPS" title="GST_VIDEO_SINK_PAD()">GST_VIDEO_SINK_PAD</a> (obj)
#define <a class="link" href="gst-plugins-base-libs-gstvideosink.html#GST-VIDEO-SINK-WIDTH:CAPS" title="GST_VIDEO_SINK_WIDTH()">GST_VIDEO_SINK_WIDTH</a> (obj)
<span class="returnvalue">void</span> <a class="link" href="gst-plugins-base-libs-gstvideosink.html#gst-video-sink-center-rect" title="gst_video_sink_center_rect ()">gst_video_sink_center_rect</a> (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> src</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> dst</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> *result</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> scaling</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstvideosink.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html">GstObject</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html">GstElement</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstBaseSink.html">GstBaseSink</a>
+----GstVideoSink
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstvideosink.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoSink--show-preroll-frame" title='The "show-preroll-frame" property'>show-preroll-frame</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write / Construct
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstvideosink.description"></a><h2>Description</h2>
<p>
</p>
<div class="refsect2">
<a name="id-1.2.14.7.6.2.1"></a><p>
Provides useful functions and a base class for video sinks.
</p>
<p>
GstVideoSink will configure the default base sink to drop frames that
arrive later than 20ms as this is considered the default threshold for
observing out-of-sync frames.
</p>
</div>
<p>
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstvideosink.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstVideoSink-struct"></a><h3>struct GstVideoSink</h3>
<pre class="programlisting">struct GstVideoSink {
gint width, height;
};
</pre>
<p>
The video sink instance structure. Derived video sinks should set the
<em class="parameter"><code>height</code></em> and <em class="parameter"><code>width</code></em> members.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoSink-struct.width"></a>width</code></em>;</span></p></td>
<td>video width (derived class needs to set this)</td>
</tr>
<tr>
<td><p><span class="term"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoSink-struct.height"></a>height</code></em>;</span></p></td>
<td>video height (derived class needs to set this)</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoSinkClass"></a><h3>struct GstVideoSinkClass</h3>
<pre class="programlisting">struct GstVideoSinkClass {
GstBaseSinkClass parent_class;
GstFlowReturn (*show_frame) (GstVideoSink *video_sink, GstBuffer *buf);
};
</pre>
<p>
The video sink class structure. Derived classes should override the
<em class="parameter"><code>show_frame</code></em> virtual function.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstBaseSink.html#GstBaseSinkClass"><span class="type">GstBaseSinkClass</span></a> <em class="structfield"><code><a name="GstVideoSinkClass.parent-class"></a>parent_class</code></em>;</span></p></td>
<td>the parent class structure</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstVideoSinkClass.show-frame"></a>show_frame</code></em> ()</span></p></td>
<td>render a video frame. Maps to <code class="function">GstBaseSinkClass.render()</code> and
<code class="function">GstBaseSinkClass.preroll()</code> vfuncs. Rendering during preroll will be
suppressed if the <a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoSink--show-preroll-frame" title='The "show-preroll-frame" property'><span class="type">"show-preroll-frame"</span></a> property is set to
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoRectangle"></a><h3>struct GstVideoRectangle</h3>
<pre class="programlisting">struct GstVideoRectangle {
gint x;
gint y;
gint w;
gint h;
};
</pre>
<p>
Helper structure representing a rectangular area.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoRectangle.x"></a>x</code></em>;</span></p></td>
<td>X coordinate of rectangle's top-left point</td>
</tr>
<tr>
<td><p><span class="term"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoRectangle.y"></a>y</code></em>;</span></p></td>
<td>Y coordinate of rectangle's top-left point</td>
</tr>
<tr>
<td><p><span class="term"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoRectangle.w"></a>w</code></em>;</span></p></td>
<td>width of the rectangle</td>
</tr>
<tr>
<td><p><span class="term"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoRectangle.h"></a>h</code></em>;</span></p></td>
<td>height of the rectangle</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-SINK-HEIGHT:CAPS"></a><h3>GST_VIDEO_SINK_HEIGHT()</h3>
<pre class="programlisting">#define GST_VIDEO_SINK_HEIGHT(obj) (GST_VIDEO_SINK_CAST (obj)->height)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-SINK-PAD:CAPS"></a><h3>GST_VIDEO_SINK_PAD()</h3>
<pre class="programlisting">#define GST_VIDEO_SINK_PAD(obj) GST_BASE_SINK_PAD(obj)
</pre>
<p>
Get the sink <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html"><span class="type">GstPad</span></a> of <em class="parameter"><code>obj</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>obj</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoSink"><span class="type">GstVideoSink</span></a>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-SINK-WIDTH:CAPS"></a><h3>GST_VIDEO_SINK_WIDTH()</h3>
<pre class="programlisting">#define GST_VIDEO_SINK_WIDTH(obj) (GST_VIDEO_SINK_CAST (obj)->width)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-sink-center-rect"></a><h3>gst_video_sink_center_rect ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gst_video_sink_center_rect (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> src</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> dst</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> *result</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> scaling</code></em>);</pre>
<p>
Takes <em class="parameter"><code>src</code></em> rectangle and position it at the center of <em class="parameter"><code>dst</code></em> rectangle with or
without <em class="parameter"><code>scaling</code></em>. It handles clipping if the <em class="parameter"><code>src</code></em> rectangle is bigger than
the <em class="parameter"><code>dst</code></em> one and <em class="parameter"><code>scaling</code></em> is set to FALSE.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>src</code></em> :</span></p></td>
<td>the <a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> describing the source area</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>dst</code></em> :</span></p></td>
<td>the <a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> describing the destination area</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>a pointer to a <a class="link" href="gst-plugins-base-libs-gstvideosink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> which will receive the result area</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>scaling</code></em> :</span></p></td>
<td>a <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> indicating if scaling should be applied or not</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstvideosink.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstVideoSink--show-preroll-frame"></a><h3>The <code class="literal">"show-preroll-frame"</code> property</h3>
<pre class="programlisting"> "show-preroll-frame" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write / Construct</pre>
<p>
Whether to show video frames during preroll. If set to <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><span class="type">FALSE</span></a>, video
frames will only be rendered in PLAYING state.
</p>
<p>Default value: TRUE</p>
</div>
</div>
</div>
<div class="footer">
<hr>
Generated by GTK-Doc V1.19</div>
</body>
</html>
|