/Main/GStreamer/Source/gst-plugins-good/docs/plugins/html/gst-plugins-good-plugins-smpte.html
HTML | 256 lines | 256 code | 0 blank | 0 comment | 0 complexity | b377956af2e292a38b67b7097232ed24 MD5 | raw file
Possible License(s): MPL-2.0-no-copyleft-exception, GPL-2.0, AGPL-1.0, LGPL-2.1, LGPL-2.0, GPL-3.0, LGPL-3.0, CC-BY-SA-3.0
- <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
- <html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
- <title>smpte</title>
- <meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
- <link rel="home" href="index.html" title="GStreamer Good Plugins 0.10 Plugins Reference Manual">
- <link rel="up" href="ch01.html" title="gst-plugins-good Elements">
- <link rel="prev" href="gst-plugins-good-plugins-smokeenc.html" title="smokeenc">
- <link rel="next" href="gst-plugins-good-plugins-smptealpha.html" title="smptealpha">
- <meta name="generator" content="GTK-Doc V1.17 (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-good-plugins-smokeenc.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td>
- <td><a accesskey="u" href="ch01.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 Good Plugins 0.10 Plugins Reference Manual</th>
- <td><a accesskey="n" href="gst-plugins-good-plugins-smptealpha.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-good-plugins-smpte.synopsis" class="shortcut">Top</a>
- |
- <a href="#gst-plugins-good-plugins-smpte.description" class="shortcut">Description</a>
- |
- <a href="#gst-plugins-good-plugins-smpte.object-hierarchy" class="shortcut">Object Hierarchy</a>
- |
- <a href="#gst-plugins-good-plugins-smpte.properties" class="shortcut">Properties</a>
- </td></tr>
- </table>
- <div class="refentry">
- <a name="gst-plugins-good-plugins-smpte"></a><div class="titlepage"></div>
- <div class="refnamediv"><table width="100%"><tr>
- <td valign="top">
- <h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-smpte.top_of_page"></a>smpte</span></h2>
- <p>smpte Apply the standard SMPTE transitions on video images</p>
- </td>
- <td valign="top" align="right"></td>
- </tr></table></div>
- <div class="refsynopsisdiv">
- <a name="gst-plugins-good-plugins-smpte.synopsis"></a><h2>Synopsis</h2>
- <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>;
- </pre>
- </div>
- <div class="refsect1">
- <a name="gst-plugins-good-plugins-smpte.object-hierarchy"></a><h2>Object Hierarchy</h2>
- <pre class="synopsis">
- <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
- +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a>
- +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a>
- +----GstSMPTE
- </pre>
- </div>
- <div class="refsect1">
- <a name="gst-plugins-good-plugins-smpte.properties"></a><h2>Properties</h2>
- <pre class="synopsis">
- "<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
- "<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
- "<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
- "<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
- "<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
- "<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
- </pre>
- </div>
- <div class="refsect1">
- <a name="gst-plugins-good-plugins-smpte.description"></a><h2>Description</h2>
- <p>
- smpte can accept I420 video streams with the same width, height and
- framerate. The two incomming buffers are blended together using an effect
- specific alpha mask.
- </p>
- <p>
- The <span class="type">"depth"</span> property defines the presision in bits of the mask. A
- higher presision will create a mask with smoother gradients in order to avoid
- banding.
- </p>
- <p>
- </p>
- <div class="refsect2">
- <a name="idp18824368"></a><h3>Sample pipelines</h3>
- <div class="informalexample">
- <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
- <tbody>
- <tr>
- <td class="listing_lines" align="right"><pre>1</pre></td>
- <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>
- </tr>
- </tbody>
- </table>
- </div>
- A pipeline to demonstrate the smpte transition.
- It shows a pinwheel transition a from a snow videotestsrc to an smpte
- pattern videotestsrc. The transition will take 2 seconds to complete. The
- edges of the transition are smoothed with a 20000 big border.
- </div>
- <p>
- </p>
- <div class="refsynopsisdiv">
- <h2>Synopsis</h2>
- <div class="refsect2">
- <a name="idp21054496"></a><h3>Element Information</h3>
- <div class="variablelist"><table border="0">
- <col align="left" valign="top">
- <tbody>
- <tr>
- <td><p><span class="term">plugin</span></p></td>
- <td>
- <a class="link" href="gst-plugins-good-plugins-plugin-smpte.html#plugin-smpte">smpte</a>
- </td>
- </tr>
- <tr>
- <td><p><span class="term">author</span></p></td>
- <td>Wim Taymans <wim.taymans@chello.be></td>
- </tr>
- <tr>
- <td><p><span class="term">class</span></p></td>
- <td>Filter/Editor/Video</td>
- </tr>
- </tbody>
- </table></div>
- </div>
- <hr>
- <div class="refsect2">
- <a name="idp19797456"></a><h3>Element Pads</h3>
- <div class="variablelist"><table border="0">
- <col align="left" valign="top">
- <tbody>
- <tr>
- <td><p><span class="term">name</span></p></td>
- <td>sink1</td>
- </tr>
- <tr>
- <td><p><span class="term">direction</span></p></td>
- <td>sink</td>
- </tr>
- <tr>
- <td><p><span class="term">presence</span></p></td>
- <td>always</td>
- </tr>
- <tr>
- <td><p><span class="term">details</span></p></td>
- <td>video/x-raw-yuv, format=(fourcc)I420, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
- </tr>
- </tbody>
- </table></div>
- <div class="variablelist"><table border="0">
- <col align="left" valign="top">
- <tbody>
- <tr>
- <td><p><span class="term">name</span></p></td>
- <td>sink2</td>
- </tr>
- <tr>
- <td><p><span class="term">direction</span></p></td>
- <td>sink</td>
- </tr>
- <tr>
- <td><p><span class="term">presence</span></p></td>
- <td>always</td>
- </tr>
- <tr>
- <td><p><span class="term">details</span></p></td>
- <td>video/x-raw-yuv, format=(fourcc)I420, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
- </tr>
- </tbody>
- </table></div>
- <div class="variablelist"><table border="0">
- <col align="left" valign="top">
- <tbody>
- <tr>
- <td><p><span class="term">name</span></p></td>
- <td>src</td>
- </tr>
- <tr>
- <td><p><span class="term">direction</span></p></td>
- <td>source</td>
- </tr>
- <tr>
- <td><p><span class="term">presence</span></p></td>
- <td>always</td>
- </tr>
- <tr>
- <td><p><span class="term">details</span></p></td>
- <td>video/x-raw-yuv, format=(fourcc)I420, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
- </tr>
- </tbody>
- </table></div>
- </div>
- </div>
- <p>
- </p>
- </div>
- <div class="refsect1">
- <a name="gst-plugins-good-plugins-smpte.details"></a><h2>Details</h2>
- <div class="refsect2">
- <a name="GstSMPTE-struct"></a><h3>struct GstSMPTE</h3>
- <pre class="programlisting">struct GstSMPTE;</pre>
- <p>
- </p>
- </div>
- </div>
- <div class="refsect1">
- <a name="gst-plugins-good-plugins-smpte.property-details"></a><h2>Property Details</h2>
- <div class="refsect2">
- <a name="GstSMPTE--border"></a><h3>The <code class="literal">"border"</code> property</h3>
- <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>
- <p>The border width of the transition.</p>
- <p>Allowed values: >= 0</p>
- <p>Default value: 0</p>
- </div>
- <hr>
- <div class="refsect2">
- <a name="GstSMPTE--depth"></a><h3>The <code class="literal">"depth"</code> property</h3>
- <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>
- <p>Depth of the mask in bits.</p>
- <p>Allowed values: [1,24]</p>
- <p>Default value: 16</p>
- </div>
- <hr>
- <div class="refsect2">
- <a name="GstSMPTE--fps"></a><h3>The <code class="literal">"fps"</code> property</h3>
- <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>
- <p>Frames per second if no input files are given (deprecated).</p>
- <p>Allowed values: >= 0</p>
- <p>Default value: 0</p>
- </div>
- <hr>
- <div class="refsect2">
- <a name="GstSMPTE--type"></a><h3>The <code class="literal">"type"</code> property</h3>
- <pre class="programlisting"> "type" <span class="type">GstSMPTETransitionType</span> : Read / Write</pre>
- <p>The type of transition to use.</p>
- <p>Default value: A bar moves from left to right</p>
- </div>
- <hr>
- <div class="refsect2">
- <a name="GstSMPTE--duration"></a><h3>The <code class="literal">"duration"</code> property</h3>
- <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>
- <p>Duration of the transition effect in nanoseconds.</p>
- <p>Default value: 1000000000</p>
- </div>
- <hr>
- <div class="refsect2">
- <a name="GstSMPTE--invert"></a><h3>The <code class="literal">"invert"</code> property</h3>
- <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>
- <p>Invert transition mask.</p>
- <p>Default value: FALSE</p>
- </div>
- </div>
- </div>
- <div class="footer">
- <hr>
- Generated by GTK-Doc V1.17</div>
- </body>
- </html>