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20 <th width="100%" align="center">GStreamer Good Plugins 0.10 Plugins Reference Manual</th>
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24 <a href="#gst-plugins-good-plugins-smpte.synopsis" class="shortcut">Top</a>
26 <a href="#gst-plugins-good-plugins-smpte.description" class="shortcut">Description</a>
28 <a href="#gst-plugins-good-plugins-smpte.object-hierarchy" class="shortcut">Object Hierarchy</a>
30 <a href="#gst-plugins-good-plugins-smpte.properties" class="shortcut">Properties</a>
33 <div class="refentry">
34 <a name="gst-plugins-good-plugins-smpte"></a><div class="titlepage"></div>
35 <div class="refnamediv"><table width="100%"><tr>
37 <h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-smpte.top_of_page"></a>smpte</span></h2>
38 <p>smpte — Apply the standard SMPTE transitions on video images</p>
40 <td valign="top" align="right"></td>
42 <div class="refsynopsisdiv">
43 <a name="gst-plugins-good-plugins-smpte.synopsis"></a><h2>Synopsis</h2>
44 <a name="GstSMPTE"></a><pre class="synopsis">struct <a class="link" href="gst-plugins-good-plugins-smpte.html#GstSMPTE-struct" title="struct GstSMPTE">GstSMPTE</a>;
47 <div class="refsect1">
48 <a name="gst-plugins-good-plugins-smpte.object-hierarchy"></a><h2>Object Hierarchy</h2>
49 <pre class="synopsis">
50 <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
51 +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a>
52 +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a>
56 <div class="refsect1">
57 <a name="gst-plugins-good-plugins-smpte.properties"></a><h2>Properties</h2>
58 <pre class="synopsis">
59 "<a class="link" href="gst-plugins-good-plugins-smpte.html#GstSMPTE--border" title='The "border" property'>border</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
60 "<a class="link" href="gst-plugins-good-plugins-smpte.html#GstSMPTE--depth" title='The "depth" property'>depth</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
61 "<a class="link" href="gst-plugins-good-plugins-smpte.html#GstSMPTE--fps" title='The "fps" property'>fps</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> : Read / Write
62 "<a class="link" href="gst-plugins-good-plugins-smpte.html#GstSMPTE--type" title='The "type" property'>type</a>" <span class="type">GstSMPTETransitionType</span> : Read / Write
63 "<a class="link" href="gst-plugins-good-plugins-smpte.html#GstSMPTE--duration" title='The "duration" property'>duration</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> : Read / Write
64 "<a class="link" href="gst-plugins-good-plugins-smpte.html#GstSMPTE--invert" title='The "invert" property'>invert</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
67 <div class="refsect1">
68 <a name="gst-plugins-good-plugins-smpte.description"></a><h2>Description</h2>
70 smpte can accept I420 video streams with the same width, height and
71 framerate. The two incomming buffers are blended together using an effect
75 The <span class="type">"depth"</span> property defines the presision in bits of the mask. A
76 higher presision will create a mask with smoother gradients in order to avoid
81 <div class="refsect2">
82 <a name="idp19871488"></a><h3>Sample pipelines</h3>
83 <div class="informalexample">
84 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
87 <td class="listing_lines" align="right"><pre>1</pre></td>
88 <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch <span class="gtkdoc opt">-</span>v videotestsrc pattern<span class="gtkdoc opt">=</span><span class="number">1</span> <span class="gtkdoc opt">!</span> smpte name<span class="gtkdoc opt">=</span>s border<span class="gtkdoc opt">=</span><span class="number">20000</span> type<span class="gtkdoc opt">=</span><span class="number">234</span> duration<span class="gtkdoc opt">=</span><span class="number">2000000000</span> <span class="gtkdoc opt">!</span> ffmpegcolorspace <span class="gtkdoc opt">!</span> ximagesink videotestsrc <span class="gtkdoc opt">!</span> s<span class="gtkdoc opt">.</span></pre></td>
93 A pipeline to demonstrate the smpte transition.
94 It shows a pinwheel transition a from a snow videotestsrc to an smpte
95 pattern videotestsrc. The transition will take 2 seconds to complete. The
96 edges of the transition are smoothed with a 20000 big border.
100 <div class="refsynopsisdiv">
102 <div class="refsect2">
103 <a name="idp21189024"></a><h3>Element Information</h3>
104 <div class="variablelist"><table border="0">
105 <col align="left" valign="top">
108 <td><p><span class="term">plugin</span></p></td>
110 <a class="link" href="gst-plugins-good-plugins-plugin-smpte.html#plugin-smpte">smpte</a>
114 <td><p><span class="term">author</span></p></td>
115 <td>Wim Taymans <wim.taymans@chello.be></td>
118 <td><p><span class="term">class</span></p></td>
119 <td>Filter/Editor/Video</td>
125 <div class="refsect2">
126 <a name="idp14771712"></a><h3>Element Pads</h3>
127 <div class="variablelist"><table border="0">
128 <col align="left" valign="top">
131 <td><p><span class="term">name</span></p></td>
135 <td><p><span class="term">direction</span></p></td>
139 <td><p><span class="term">presence</span></p></td>
143 <td><p><span class="term">details</span></p></td>
144 <td>video/x-raw-yuv, format=(fourcc)I420, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
148 <div class="variablelist"><table border="0">
149 <col align="left" valign="top">
152 <td><p><span class="term">name</span></p></td>
156 <td><p><span class="term">direction</span></p></td>
160 <td><p><span class="term">presence</span></p></td>
164 <td><p><span class="term">details</span></p></td>
165 <td>video/x-raw-yuv, format=(fourcc)I420, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
169 <div class="variablelist"><table border="0">
170 <col align="left" valign="top">
173 <td><p><span class="term">name</span></p></td>
177 <td><p><span class="term">direction</span></p></td>
181 <td><p><span class="term">presence</span></p></td>
185 <td><p><span class="term">details</span></p></td>
186 <td>video/x-raw-yuv, format=(fourcc)I420, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
195 <div class="refsect1">
196 <a name="gst-plugins-good-plugins-smpte.details"></a><h2>Details</h2>
197 <div class="refsect2">
198 <a name="GstSMPTE-struct"></a><h3>struct GstSMPTE</h3>
199 <pre class="programlisting">struct GstSMPTE;</pre>
204 <div class="refsect1">
205 <a name="gst-plugins-good-plugins-smpte.property-details"></a><h2>Property Details</h2>
206 <div class="refsect2">
207 <a name="GstSMPTE--border"></a><h3>The <code class="literal">"border"</code> property</h3>
208 <pre class="programlisting"> "border" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
209 <p>The border width of the transition.</p>
210 <p>Allowed values: >= 0</p>
211 <p>Default value: 0</p>
214 <div class="refsect2">
215 <a name="GstSMPTE--depth"></a><h3>The <code class="literal">"depth"</code> property</h3>
216 <pre class="programlisting"> "depth" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
217 <p>Depth of the mask in bits.</p>
218 <p>Allowed values: [1,24]</p>
219 <p>Default value: 16</p>
222 <div class="refsect2">
223 <a name="GstSMPTE--fps"></a><h3>The <code class="literal">"fps"</code> property</h3>
224 <pre class="programlisting"> "fps" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> : Read / Write</pre>
225 <p>Frames per second if no input files are given (deprecated).</p>
226 <p>Allowed values: >= 0</p>
227 <p>Default value: 0</p>
230 <div class="refsect2">
231 <a name="GstSMPTE--type"></a><h3>The <code class="literal">"type"</code> property</h3>
232 <pre class="programlisting"> "type" <span class="type">GstSMPTETransitionType</span> : Read / Write</pre>
233 <p>The type of transition to use.</p>
234 <p>Default value: A bar moves from left to right</p>
237 <div class="refsect2">
238 <a name="GstSMPTE--duration"></a><h3>The <code class="literal">"duration"</code> property</h3>
239 <pre class="programlisting"> "duration" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> : Read / Write</pre>
240 <p>Duration of the transition effect in nanoseconds.</p>
241 <p>Default value: 1000000000</p>
244 <div class="refsect2">
245 <a name="GstSMPTE--invert"></a><h3>The <code class="literal">"invert"</code> property</h3>
246 <pre class="programlisting"> "invert" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
247 <p>Invert transition mask.</p>
248 <p>Default value: FALSE</p>
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