1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>ttmlrender: GStreamer Bad Plugins 1.0 Plugins Reference Manual</title> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="index.html" title="GStreamer Bad Plugins 1.0 Plugins Reference Manual"> 8<link rel="up" href="ch01.html" title="gst-plugins-bad Elements"> 9<link rel="prev" href="gst-plugins-bad-plugins-ttmlparse.html" title="ttmlparse"> 10<link rel="next" href="gst-plugins-bad-plugins-tunnel.html" title="tunnel"> 11<meta name="generator" content="GTK-Doc V1.28 (XML mode)"> 12<link rel="stylesheet" href="style.css" type="text/css"> 13</head> 14<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 15<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> 16<td width="100%" align="left" class="shortcuts"> 17<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> 18 <a href="#gst-plugins-bad-plugins-ttmlrender.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#gst-plugins-bad-plugins-ttmlrender.object-hierarchy" class="shortcut">Object Hierarchy</a></span> 20</td> 21<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> 22<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 23<td><a accesskey="p" href="gst-plugins-bad-plugins-ttmlparse.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 24<td><a accesskey="n" href="gst-plugins-bad-plugins-tunnel.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> 25</tr></table> 26<div class="refentry"> 27<a name="gst-plugins-bad-plugins-ttmlrender"></a><div class="titlepage"></div> 28<div class="refnamediv"><table width="100%"><tr> 29<td valign="top"> 30<h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-ttmlrender.top_of_page"></a>ttmlrender</span></h2> 31<p>ttmlrender</p> 32</td> 33<td class="gallery_image" valign="top" align="right"></td> 34</tr></table></div> 35<a name="GstTtmlRender"></a><div class="refsect1"> 36<a name="gst-plugins-bad-plugins-ttmlrender.other"></a><h2>Types and Values</h2> 37<div class="informaltable"><table class="informaltable" width="100%" border="0"> 38<colgroup> 39<col width="150px" class="name"> 40<col class="description"> 41</colgroup> 42<tbody><tr> 43<td class="datatype_keyword">struct</td> 44<td class="function_name"><a class="link" href="gst-plugins-bad-plugins-ttmlrender.html#GstTtmlRender-struct" title="struct GstTtmlRender">GstTtmlRender</a></td> 45</tr></tbody> 46</table></div> 47</div> 48<div class="refsect1"> 49<a name="gst-plugins-bad-plugins-ttmlrender.object-hierarchy"></a><h2>Object Hierarchy</h2> 50<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 51 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 52 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 53 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 54 <span class="lineart">╰──</span> GstTtmlRender 55</pre> 56</div> 57<div class="refsect1"> 58<a name="gst-plugins-bad-plugins-ttmlrender.description"></a><h2>Description</h2> 59<p>Renders timed text on top of a video stream. It receives text in buffers 60from a ttmlparse element; each text string is in its own <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstMemory.html#GstMemory-struct"><span class="type">GstMemory</span></a> within 61the GstBuffer, and the styling and layout associated with each text string 62is in metadata attached to the <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a>.</p> 63<div class="refsect3"> 64<a name="id-1.2.225.6.3"></a><h4>Example launch lines</h4> 65<div class="informalexample"> 66 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 67 <tbody> 68 <tr> 69 <td class="listing_lines" align="right"><pre>1</pre></td> 70 <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">1.0</span> filesrc location<span class="gtkdoc opt">=<</span>media file location<span class="gtkdoc opt">> !</span> video<span class="gtkdoc opt">/</span>quicktime <span class="gtkdoc opt">!</span> qtdemux name<span class="gtkdoc opt">=</span>q ttmlrender name<span class="gtkdoc opt">=</span>r q<span class="gtkdoc opt">. !</span> queue <span class="gtkdoc opt">!</span> h264parse <span class="gtkdoc opt">!</span> avdec_h264 <span class="gtkdoc opt">!</span> autovideoconvert <span class="gtkdoc opt">!</span> r<span class="gtkdoc opt">.</span>video_sink filesrc location<span class="gtkdoc opt">=<</span>subtitle file location<span class="gtkdoc opt">></span> blocksize<span class="gtkdoc opt">=</span><span class="number">16777216</span> <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> ttmlparse <span class="gtkdoc opt">!</span> r<span class="gtkdoc opt">.</span>text_sink r<span class="gtkdoc opt">. !</span> ximagesink q<span class="gtkdoc opt">. !</span> queue <span class="gtkdoc opt">!</span> aacparse <span class="gtkdoc opt">!</span> avdec_aac <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> alsasink</pre></td> 71 </tr> 72 </tbody> 73 </table> 74</div> 75 76<p> Parse and render TTML subtitles contained in a single XML file over an 77MP4 stream containing H.264 video and AAC audio:</p> 78</div> 79<div class="refsynopsisdiv"> 80<h2>Synopsis</h2> 81<div class="refsect2"> 82<a name="id-1.2.225.6.4.1"></a><h3>Element Information</h3> 83<div class="variablelist"><table border="0" class="variablelist"> 84<colgroup> 85<col align="left" valign="top"> 86<col> 87</colgroup> 88<tbody> 89<tr> 90<td><p><span class="term">plugin</span></p></td> 91<td> 92 <a class="link" href="gst-plugins-bad-plugins-plugin-ttmlsubs.html#plugin-ttmlsubs">ttmlsubs</a> 93 </td> 94</tr> 95<tr> 96<td><p><span class="term">author</span></p></td> 97<td>David Schleef <ds@schleef.org>, Zeeshan Ali <zeeshan.ali@nokia.com>, Chris Bass <dash@rd.bbc.co.uk></td> 98</tr> 99<tr> 100<td><p><span class="term">class</span></p></td> 101<td>Overlay/Subtitle</td> 102</tr> 103</tbody> 104</table></div> 105</div> 106<hr> 107<div class="refsect2"> 108<a name="id-1.2.225.6.4.2"></a><h3>Element Pads</h3> 109<div class="variablelist"><table border="0" class="variablelist"> 110<colgroup> 111<col align="left" valign="top"> 112<col> 113</colgroup> 114<tbody> 115<tr> 116<td><p><span class="term">name</span></p></td> 117<td>text_sink</td> 118</tr> 119<tr> 120<td><p><span class="term">direction</span></p></td> 121<td>sink</td> 122</tr> 123<tr> 124<td><p><span class="term">presence</span></p></td> 125<td>always</td> 126</tr> 127<tr> 128<td><p><span class="term">details</span></p></td> 129<td>text/x-raw(meta:GstSubtitleMeta)</td> 130</tr> 131</tbody> 132</table></div> 133<div class="variablelist"><table border="0" class="variablelist"> 134<colgroup> 135<col align="left" valign="top"> 136<col> 137</colgroup> 138<tbody> 139<tr> 140<td><p><span class="term">name</span></p></td> 141<td>video_sink</td> 142</tr> 143<tr> 144<td><p><span class="term">direction</span></p></td> 145<td>sink</td> 146</tr> 147<tr> 148<td><p><span class="term">presence</span></p></td> 149<td>always</td> 150</tr> 151<tr> 152<td><p><span class="term">details</span></p></td> 153<td>video/x-raw, format=(string){ BGRx, RGBx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, I420, YV12, AYUV, YUY2, UYVY, v308, Y41B, Y42B, Y444, NV12, NV21, A420, YUV9, YVU9, IYU1, GRAY8 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> 154</tr> 155<tr> 156<td><p><span class="term"></span></p></td> 157<td> video/x-raw(ANY), format=(string){ I420, YV12, YUY2, UYVY, AYUV, VUYA, RGBx, BGRx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, Y41B, Y42B, YVYU, Y444, v210, v216, Y210, Y410, NV12, NV21, GRAY8, GRAY16_BE, GRAY16_LE, v308, RGB16, BGR16, RGB15, BGR15, UYVP, A420, RGB8P, YUV9, YVU9, IYU1, ARGB64, AYUV64, r210, I420_10BE, I420_10LE, I422_10BE, I422_10LE, Y444_10BE, Y444_10LE, GBR, GBR_10BE, GBR_10LE, NV16, NV24, NV12_64Z32, A420_10BE, A420_10LE, A422_10BE, A422_10LE, A444_10BE, A444_10LE, NV61, P010_10BE, P010_10LE, IYU2, VYUY, GBRA, GBRA_10BE, GBRA_10LE, BGR10A2_LE, GBR_12BE, GBR_12LE, GBRA_12BE, GBRA_12LE, I420_12BE, I420_12LE, I422_12BE, I422_12LE, Y444_12BE, Y444_12LE, GRAY10_LE32, NV12_10LE32, NV16_10LE32, NV12_10LE40 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> 158</tr> 159</tbody> 160</table></div> 161<div class="variablelist"><table border="0" class="variablelist"> 162<colgroup> 163<col align="left" valign="top"> 164<col> 165</colgroup> 166<tbody> 167<tr> 168<td><p><span class="term">name</span></p></td> 169<td>src</td> 170</tr> 171<tr> 172<td><p><span class="term">direction</span></p></td> 173<td>source</td> 174</tr> 175<tr> 176<td><p><span class="term">presence</span></p></td> 177<td>always</td> 178</tr> 179<tr> 180<td><p><span class="term">details</span></p></td> 181<td>video/x-raw, format=(string){ BGRx, RGBx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, I420, YV12, AYUV, YUY2, UYVY, v308, Y41B, Y42B, Y444, NV12, NV21, A420, YUV9, YVU9, IYU1, GRAY8 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> 182</tr> 183<tr> 184<td><p><span class="term"></span></p></td> 185<td> video/x-raw(ANY), format=(string){ I420, YV12, YUY2, UYVY, AYUV, VUYA, RGBx, BGRx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, Y41B, Y42B, YVYU, Y444, v210, v216, Y210, Y410, NV12, NV21, GRAY8, GRAY16_BE, GRAY16_LE, v308, RGB16, BGR16, RGB15, BGR15, UYVP, A420, RGB8P, YUV9, YVU9, IYU1, ARGB64, AYUV64, r210, I420_10BE, I420_10LE, I422_10BE, I422_10LE, Y444_10BE, Y444_10LE, GBR, GBR_10BE, GBR_10LE, NV16, NV24, NV12_64Z32, A420_10BE, A420_10LE, A422_10BE, A422_10LE, A444_10BE, A444_10LE, NV61, P010_10BE, P010_10LE, IYU2, VYUY, GBRA, GBRA_10BE, GBRA_10LE, BGR10A2_LE, GBR_12BE, GBR_12LE, GBRA_12BE, GBRA_12LE, I420_12BE, I420_12LE, I422_12BE, I422_12LE, Y444_12BE, Y444_12LE, GRAY10_LE32, NV12_10LE32, NV16_10LE32, NV12_10LE40 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> 186</tr> 187</tbody> 188</table></div> 189</div> 190</div> 191</div> 192<div class="refsect1"> 193<a name="gst-plugins-bad-plugins-ttmlrender.functions_details"></a><h2>Functions</h2> 194<p></p> 195</div> 196<div class="refsect1"> 197<a name="gst-plugins-bad-plugins-ttmlrender.other_details"></a><h2>Types and Values</h2> 198<div class="refsect2"> 199<a name="GstTtmlRender-struct"></a><h3>struct GstTtmlRender</h3> 200<pre class="programlisting">struct GstTtmlRender;</pre> 201</div> 202</div> 203</div> 204<div class="footer"> 205<hr>Generated by GTK-Doc V1.28</div> 206</body> 207</html>
