<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>videomark</title> <meta name="generator" content="DocBook XSL Stylesheets V1.76.1"> <link rel="home" href="index.html" title="GStreamer Bad Plugins 0.10 Plugins Reference Manual"> <link rel="up" href="ch01.html" title="gst-plugins-bad Elements"> <link rel="prev" href="gst-plugins-bad-plugins-videodetect.html" title="videodetect"> <link rel="next" href="gst-plugins-bad-plugins-videomaxrate.html" title="videomaxrate"> <meta name="generator" content="GTK-Doc V1.18 (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-bad-plugins-videodetect.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 Bad Plugins 0.10 Plugins Reference Manual</th> <td><a accesskey="n" href="gst-plugins-bad-plugins-videomaxrate.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-bad-plugins-videomark.synopsis" class="shortcut">Top</a> | <a href="#gst-plugins-bad-plugins-videomark.description" class="shortcut">Description</a> | <a href="#gst-plugins-bad-plugins-videomark.object-hierarchy" class="shortcut">Object Hierarchy</a> | <a href="#gst-plugins-bad-plugins-videomark.properties" class="shortcut">Properties</a> </td></tr> </table> <div class="refentry"> <a name="gst-plugins-bad-plugins-videomark"></a><div class="titlepage"></div> <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-videomark.top_of_page"></a>videomark</span></h2> <p>videomark — Marks a video signal with a pattern</p> </td> <td valign="top" align="right"></td> </tr></table></div> <div class="refsynopsisdiv"> <a name="gst-plugins-bad-plugins-videomark.synopsis"></a><h2>Synopsis</h2> <a name="GstVideoMark"></a><pre class="synopsis">struct <a class="link" href="gst-plugins-bad-plugins-videomark.html#GstVideoMark-struct" title="struct GstVideoMark">GstVideoMark</a>; </pre> </div> <div class="refsect1"> <a name="gst-plugins-bad-plugins-videomark.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> +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-libs/html/GstBaseTransform.html">GstBaseTransform</a> +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstvideofilter.html#GstVideoFilter">GstVideoFilter</a> +----GstVideoMark </pre> </div> <div class="refsect1"> <a name="gst-plugins-bad-plugins-videomark.properties"></a><h2>Properties</h2> <pre class="synopsis"> "<a class="link" href="gst-plugins-bad-plugins-videomark.html#GstVideoMark--enabled" title='The "enabled" property'>enabled</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write / Construct "<a class="link" href="gst-plugins-bad-plugins-videomark.html#GstVideoMark--pattern-count" title='The "pattern-count" property'>pattern-count</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write / Construct "<a class="link" href="gst-plugins-bad-plugins-videomark.html#GstVideoMark--pattern-data" title='The "pattern-data" property'>pattern-data</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-bad-plugins-videomark.html#GstVideoMark--pattern-data-count" title='The "pattern-data-count" property'>pattern-data-count</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write / Construct "<a class="link" href="gst-plugins-bad-plugins-videomark.html#GstVideoMark--pattern-height" title='The "pattern-height" property'>pattern-height</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write / Construct "<a class="link" href="gst-plugins-bad-plugins-videomark.html#GstVideoMark--pattern-width" title='The "pattern-width" property'>pattern-width</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write / Construct "<a class="link" href="gst-plugins-bad-plugins-videomark.html#GstVideoMark--bottom-offset" title='The "bottom-offset" property'>bottom-offset</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write / Construct "<a class="link" href="gst-plugins-bad-plugins-videomark.html#GstVideoMark--left-offset" title='The "left-offset" property'>left-offset</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write / Construct "<a class="link" href="gst-plugins-bad-plugins-videomark.html#GstVideoMark--pattern-data-uint64" title='The "pattern-data-uint64" property'>pattern-data-uint64</a>" <span class="type">guint64</span> : Read / Write / Construct </pre> </div> <div class="refsect1"> <a name="gst-plugins-bad-plugins-videomark.description"></a><h2>Description</h2> <p> This plugin produces <span class="type">"pattern-count"</span> squares in the bottom left corner of the video frames. The squares have a width and height of respectively <a class="link" href="gst-plugins-bad-plugins-videomark.html#GstVideoMark--pattern-width" title='The "pattern-width" property'><span class="type">"pattern-width"</span></a> and <a class="link" href="gst-plugins-bad-plugins-videomark.html#GstVideoMark--pattern-height" title='The "pattern-height" property'><span class="type">"pattern-height"</span></a>. Even squares will be black and odd squares will be white. </p> <p> After writing the pattern, <a class="link" href="gst-plugins-bad-plugins-videomark.html#GstVideoMark--pattern-data-count" title='The "pattern-data-count" property'><span class="type">"pattern-data-count"</span></a> squares after the pattern squares are produced as the bitarray given in <a class="link" href="gst-plugins-bad-plugins-videomark.html#GstVideoMark--pattern-data" title='The "pattern-data" property'><span class="type">"pattern-data"</span></a>. 1 bits will produce white squares and 0 bits will produce black squares. </p> <p> The element can be enabled with the <a class="link" href="gst-plugins-bad-plugins-videomark.html#GstVideoMark--enabled" title='The "enabled" property'><span class="type">"enabled"</span></a> property. It is mostly used together with the <a class="link" href="gst-plugins-bad-plugins-videodetect.html#GstVideoDetect"><span class="type">GstVideoDetect</span></a> plugin. </p> <p> </p> <div class="refsect2"> <a name="idp23731680"></a><h3>Example launch line</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 videotestsrc <span class="gtkdoc opt">!</span> videomark <span class="gtkdoc opt">!</span> ximagesink</pre></td> </tr> </tbody> </table> </div> Add the default black/white squares at the bottom left of the video frames. </div> <p> </p> <p> Last reviewed on 2007-06-01 (0.10.6) </p> <div class="refsynopsisdiv"> <h2>Synopsis</h2> <div class="refsect2"> <a name="idp23734752"></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-bad-plugins-plugin-videosignal.html#plugin-videosignal">videosignal</a> </td> </tr> <tr> <td><p><span class="term">author</span></p></td> <td>Wim Taymans <wim@fluendo.com></td> </tr> <tr> <td><p><span class="term">class</span></p></td> <td>Filter/Effect/Video</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2"> <a name="idp23742208"></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>sink</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, YV12, Y41B, Y42B, Y444, YUY2, UYVY, AYUV, YVYU }, 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, YV12, Y41B, Y42B, Y444, YUY2, UYVY, AYUV, YVYU }, 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-bad-plugins-videomark.details"></a><h2>Details</h2> <div class="refsect2"> <a name="GstVideoMark-struct"></a><h3>struct GstVideoMark</h3> <pre class="programlisting">struct GstVideoMark;</pre> <p> Opaque datastructure. </p> </div> </div> <div class="refsect1"> <a name="gst-plugins-bad-plugins-videomark.property-details"></a><h2>Property Details</h2> <div class="refsect2"> <a name="GstVideoMark--enabled"></a><h3>The <code class="literal">"enabled"</code> property</h3> <pre class="programlisting"> "enabled" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write / Construct</pre> <p>Enable or disable the filter.</p> <p>Default value: TRUE</p> </div> <hr> <div class="refsect2"> <a name="GstVideoMark--pattern-count"></a><h3>The <code class="literal">"pattern-count"</code> property</h3> <pre class="programlisting"> "pattern-count" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write / Construct</pre> <p>The number of pattern markers.</p> <p>Allowed values: >= 0</p> <p>Default value: 4</p> </div> <hr> <div class="refsect2"> <a name="GstVideoMark--pattern-data"></a><h3>The <code class="literal">"pattern-data"</code> property</h3> <pre class="programlisting"> "pattern-data" <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 extra data pattern markers.</p> <p>Allowed values: >= 0</p> <p>Default value: 10</p> </div> <hr> <div class="refsect2"> <a name="GstVideoMark--pattern-data-count"></a><h3>The <code class="literal">"pattern-data-count"</code> property</h3> <pre class="programlisting"> "pattern-data-count" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write / Construct</pre> <p>The number of extra data pattern markers.</p> <p>Allowed values: [0,64]</p> <p>Default value: 5</p> </div> <hr> <div class="refsect2"> <a name="GstVideoMark--pattern-height"></a><h3>The <code class="literal">"pattern-height"</code> property</h3> <pre class="programlisting"> "pattern-height" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write / Construct</pre> <p>The height of the pattern markers.</p> <p>Allowed values: >= 1</p> <p>Default value: 16</p> </div> <hr> <div class="refsect2"> <a name="GstVideoMark--pattern-width"></a><h3>The <code class="literal">"pattern-width"</code> property</h3> <pre class="programlisting"> "pattern-width" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write / Construct</pre> <p>The width of the pattern markers.</p> <p>Allowed values: >= 1</p> <p>Default value: 4</p> </div> <hr> <div class="refsect2"> <a name="GstVideoMark--bottom-offset"></a><h3>The <code class="literal">"bottom-offset"</code> property</h3> <pre class="programlisting"> "bottom-offset" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write / Construct</pre> <p>The offset from the bottom border where the pattern starts.</p> <p>Allowed values: >= 0</p> <p>Default value: 0</p> </div> <hr> <div class="refsect2"> <a name="GstVideoMark--left-offset"></a><h3>The <code class="literal">"left-offset"</code> property</h3> <pre class="programlisting"> "left-offset" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write / Construct</pre> <p>The offset from the left border where the pattern starts.</p> <p>Allowed values: >= 0</p> <p>Default value: 0</p> </div> <hr> <div class="refsect2"> <a name="GstVideoMark--pattern-data-uint64"></a><h3>The <code class="literal">"pattern-data-uint64"</code> property</h3> <pre class="programlisting"> "pattern-data-uint64" <span class="type">guint64</span> : Read / Write / Construct</pre> <p>The extra data pattern markers.</p> <p>Default value: 10</p> </div> </div> <div class="refsect1"> <a name="gst-plugins-bad-plugins-videomark.see-also"></a><h2>See Also</h2> <a class="link" href="gst-plugins-bad-plugins-videodetect.html#GstVideoDetect"><span class="type">GstVideoDetect</span></a> </div> </div> <div class="footer"> <hr> Generated by GTK-Doc V1.18</div> </body> </html>