gstreamer1.0-plugins-base-doc 1.14.0-2ubuntu1 / usr / share / gtk-doc / html / gst-plugins-base-libs-1.0 / GstVideoSink.html

This file is indexed.

/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/GstVideoSink.html is in gstreamer1.0-plugins-base-doc 1.14.0-2ubuntu1.

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
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
<!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: GStreamer Base Plugins 1.0 Library Reference Manual</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
<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-GstVideoScaler.html" title="GstVideoScaler">
<link rel="next" href="GstColorBalance.html" title="GstColorBalance">
<meta name="generator" content="GTK-Doc V1.27 (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="5"><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="#GstVideoSink.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
                  <a href="#GstVideoSink.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties">  <span class="dim">|</span> 
                  <a href="#GstVideoSink.properties" class="shortcut">Properties</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="gstreamer-video.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
<td><a accesskey="p" href="gst-plugins-base-libs-GstVideoScaler.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><a accesskey="n" href="GstColorBalance.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="refentry">
<a name="GstVideoSink"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GstVideoSink.top_of_page"></a>GstVideoSink</span></h2>
<p>GstVideoSink — Base class for video sinks</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="GstVideoSink.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="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="GstVideoSink.html#GST-VIDEO-SINK-HEIGHT:CAPS" title="GST_VIDEO_SINK_HEIGHT()">GST_VIDEO_SINK_HEIGHT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="GstVideoSink.html#GST-VIDEO-SINK-PAD:CAPS" title="GST_VIDEO_SINK_PAD()">GST_VIDEO_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="GstVideoSink.html#GST-VIDEO-SINK-WIDTH:CAPS" title="GST_VIDEO_SINK_WIDTH()">GST_VIDEO_SINK_WIDTH</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="GstVideoSink.html#gst-video-sink-center-rect" title="gst_video_sink_center_rect ()">gst_video_sink_center_rect</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GstVideoSink.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody><tr>
<td class="property_type"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="GstVideoSink.html#GstVideoSink--show-preroll-frame" title="The “show-preroll-frame” property">show-preroll-frame</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GstVideoSink.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="GstVideoSink.html#GstVideoSink-struct" title="struct GstVideoSink">GstVideoSink</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GstVideoSink.html#GstVideoSinkClass" title="struct GstVideoSinkClass">GstVideoSinkClass</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GstVideoSink.html#GstVideoRectangle" title="struct GstVideoRectangle">GstVideoRectangle</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GstVideoSink.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    <a href="../gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
    <span class="lineart">╰──</span> <a href="../gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
        <span class="lineart">╰──</span> <a href="../gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a>
            <span class="lineart">╰──</span> <a href="../gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a>
                <span class="lineart">╰──</span> <a href="../gstreamer-libs-1.0/GstBaseSink.html#GstBaseSink-struct">GstBaseSink</a>
                    <span class="lineart">╰──</span> GstVideoSink
</pre>
</div>
<div class="refsect1">
<a name="GstVideoSink.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gst/video/gstvideosink.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="GstVideoSink.description"></a><h2>Description</h2>
<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>
<div class="refsect1">
<a name="GstVideoSink.functions_details"></a><h2>Functions</h2>
<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)-&gt;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="../gstreamer-1.0/GstPad.html#GstPad-struct"><span class="type">GstPad</span></a> of <em class="parameter"><code>obj</code></em>
.</p>
<div class="refsect3">
<a name="GST-VIDEO-SINK-PAD.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>obj</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstVideoSink.html" title="GstVideoSink"><span class="type">GstVideoSink</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</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)-&gt;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="GstVideoSink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> src</code></em>,
                            <em class="parameter"><code><a class="link" href="GstVideoSink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> dst</code></em>,
                            <em class="parameter"><code><a class="link" href="GstVideoSink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> *result</code></em>,
                            <em class="parameter"><code><a href="../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="refsect3">
<a name="gst-video-sink-center-rect.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>src</p></td>
<td class="parameter_description"><p>the <a class="link" href="GstVideoSink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> describing the source area</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dst</p></td>
<td class="parameter_description"><p>the <a class="link" href="GstVideoSink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> describing the destination area</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result</p></td>
<td class="parameter_description"><p>a pointer to a <a class="link" href="GstVideoSink.html#GstVideoRectangle" title="struct GstVideoRectangle"><span class="type">GstVideoRectangle</span></a> which will receive the result area</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>scaling</p></td>
<td class="parameter_description"><p>a <a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> indicating if scaling should be applied or not</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="GstVideoSink.other_details"></a><h2>Types and Values</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="refsect3">
<a name="GstVideoSink.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="../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>;</p></td>
<td class="struct_member_description"><p>video width (derived class needs to set this)</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../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>;</p></td>
<td class="struct_member_description"><p>video height (derived class needs to set this)</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</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="refsect3">
<a name="GstVideoSinkClass.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="GstVideoSinkClass.show-frame"></a>show_frame</code></em> ()</p></td>
<td class="struct_member_description"><p>render a video frame. Maps to <a href="../gstreamer-libs-1.0/GstBaseSink.html#GstBaseSinkClass.render"><code class="function">GstBaseSinkClass.render()</code></a> and
<a href="../gstreamer-libs-1.0/GstBaseSink.html#GstBaseSinkClass.preroll"><code class="function">GstBaseSinkClass.preroll()</code></a> vfuncs. Rendering during preroll will be
suppressed if the <a class="link" href="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="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>.</p></td>
<td class="struct_member_annotations"> </td>
</tr></tbody>
</table></div>
</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="refsect3">
<a name="GstVideoRectangle.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="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoRectangle.x"></a>x</code></em>;</p></td>
<td class="struct_member_description"><p>X coordinate of rectangle's top-left point</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoRectangle.y"></a>y</code></em>;</p></td>
<td class="struct_member_description"><p>Y coordinate of rectangle's top-left point</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoRectangle.w"></a>w</code></em>;</p></td>
<td class="struct_member_description"><p>width of the rectangle</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoRectangle.h"></a>h</code></em>;</p></td>
<td class="struct_member_description"><p>height of the rectangle</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="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="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>Whether to show video frames during preroll. If set to <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>, video
frames will only be rendered in PLAYING state.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: TRUE</p>
</div>
</div>
</div>
<div class="footer">
<hr>Generated by GTK-Doc V1.27</div>
</body>
</html>

APT Browse - Built by Thomas Orozco.