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>openh264enc: 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-openh264dec.html" title="openh264dec"> 10<link rel="next" href="gst-plugins-bad-plugins-openjpegdec.html" title="openjpegdec"> 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-openh264enc.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#gst-plugins-bad-plugins-openh264enc.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces"> <span class="dim">|</span> 20 <a href="#gst-plugins-bad-plugins-openh264enc.implemented-interfaces" class="shortcut">Implemented Interfaces</a></span><span id="nav_properties"> <span class="dim">|</span> 21 <a href="#gst-plugins-bad-plugins-openh264enc.properties" class="shortcut">Properties</a></span> 22</td> 23<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> 24<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 25<td><a accesskey="p" href="gst-plugins-bad-plugins-openh264dec.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 26<td><a accesskey="n" href="gst-plugins-bad-plugins-openjpegdec.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> 27</tr></table> 28<div class="refentry"> 29<a name="gst-plugins-bad-plugins-openh264enc"></a><div class="titlepage"></div> 30<div class="refnamediv"><table width="100%"><tr> 31<td valign="top"> 32<h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-openh264enc.top_of_page"></a>openh264enc</span></h2> 33<p>openh264enc</p> 34</td> 35<td class="gallery_image" valign="top" align="right"></td> 36</tr></table></div> 37<div class="refsect1"> 38<a name="gst-plugins-bad-plugins-openh264enc.properties"></a><h2>Properties</h2> 39<div class="informaltable"><table class="informaltable" border="0"> 40<colgroup> 41<col width="150px" class="properties_type"> 42<col width="300px" class="properties_name"> 43<col width="200px" class="properties_flags"> 44</colgroup> 45<tbody> 46<tr> 47<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td> 48<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--adaptive-quantization" title="The “adaptive-quantization” property">adaptive-quantization</a></td> 49<td class="property_flags">Read / Write</td> 50</tr> 51<tr> 52<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td> 53<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--background-detection" title="The “background-detection” property">background-detection</a></td> 54<td class="property_flags">Read / Write</td> 55</tr> 56<tr> 57<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td> 58<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--bitrate" title="The “bitrate” property">bitrate</a></td> 59<td class="property_flags">Read / Write</td> 60</tr> 61<tr> 62<td class="property_type"><span class="type">GstOpenh264encDeblockingModes</span></td> 63<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--deblocking" title="The “deblocking” property">deblocking</a></td> 64<td class="property_flags">Read / Write</td> 65</tr> 66<tr> 67<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td> 68<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--enable-denoise" title="The “enable-denoise” property">enable-denoise</a></td> 69<td class="property_flags">Read / Write</td> 70</tr> 71<tr> 72<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td> 73<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--enable-frame-skip" title="The “enable-frame-skip” property">enable-frame-skip</a></td> 74<td class="property_flags">Read / Write</td> 75</tr> 76<tr> 77<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td> 78<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--gop-size" title="The “gop-size” property">gop-size</a></td> 79<td class="property_flags">Read / Write</td> 80</tr> 81<tr> 82<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td> 83<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--max-slice-size" title="The “max-slice-size” property">max-slice-size</a></td> 84<td class="property_flags">Read / Write</td> 85</tr> 86<tr> 87<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td> 88<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--multi-thread" title="The “multi-thread” property">multi-thread</a></td> 89<td class="property_flags">Read / Write</td> 90</tr> 91<tr> 92<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td> 93<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--num-slices" title="The “num-slices” property">num-slices</a></td> 94<td class="property_flags">Read / Write</td> 95</tr> 96<tr> 97<td class="property_type"><span class="type">RC_MODES</span></td> 98<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--rate-control" title="The “rate-control” property">rate-control</a></td> 99<td class="property_flags">Read / Write</td> 100</tr> 101<tr> 102<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td> 103<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--scene-change-detection" title="The “scene-change-detection” property">scene-change-detection</a></td> 104<td class="property_flags">Read / Write</td> 105</tr> 106<tr> 107<td class="property_type"><span class="type">GstOpenh264EncSliceModes</span></td> 108<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--slice-mode" title="The “slice-mode” property">slice-mode</a></td> 109<td class="property_flags">Read / Write</td> 110</tr> 111<tr> 112<td class="property_type"><span class="type">EUsageType</span></td> 113<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--usage-type" title="The “usage-type” property">usage-type</a></td> 114<td class="property_flags">Read / Write</td> 115</tr> 116<tr> 117<td class="property_type"><span class="type">GstOpenh264encComplexity</span></td> 118<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--complexity" title="The “complexity” property">complexity</a></td> 119<td class="property_flags">Read / Write</td> 120</tr> 121<tr> 122<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td> 123<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--max-bitrate" title="The “max-bitrate” property">max-bitrate</a></td> 124<td class="property_flags">Read / Write</td> 125</tr> 126<tr> 127<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td> 128<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--qp-max" title="The “qp-max” property">qp-max</a></td> 129<td class="property_flags">Read / Write</td> 130</tr> 131<tr> 132<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td> 133<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc--qp-min" title="The “qp-min” property">qp-min</a></td> 134<td class="property_flags">Read / Write</td> 135</tr> 136</tbody> 137</table></div> 138</div> 139<a name="GstOpenh264Enc"></a><div class="refsect1"> 140<a name="gst-plugins-bad-plugins-openh264enc.other"></a><h2>Types and Values</h2> 141<div class="informaltable"><table class="informaltable" width="100%" border="0"> 142<colgroup> 143<col width="150px" class="name"> 144<col class="description"> 145</colgroup> 146<tbody><tr> 147<td class="datatype_keyword">struct</td> 148<td class="function_name"><a class="link" href="gst-plugins-bad-plugins-openh264enc.html#GstOpenh264Enc-struct" title="struct GstOpenh264Enc">GstOpenh264Enc</a></td> 149</tr></tbody> 150</table></div> 151</div> 152<div class="refsect1"> 153<a name="gst-plugins-bad-plugins-openh264enc.object-hierarchy"></a><h2>Object Hierarchy</h2> 154<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 155 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 156 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 157 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 158 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/GstVideoEncoder.html#GstVideoEncoder-struct">GstVideoEncoder</a> 159 <span class="lineart">╰──</span> GstOpenh264Enc 160</pre> 161</div> 162<div class="refsect1"> 163<a name="gst-plugins-bad-plugins-openh264enc.implemented-interfaces"></a><h2>Implemented Interfaces</h2> 164<p> 165GstOpenh264Enc implements 166 <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPreset.html#GstPreset-struct">GstPreset</a>.</p> 167</div> 168<div class="refsect1"> 169<a name="gst-plugins-bad-plugins-openh264enc.description"></a><h2>Description</h2> 170<div class="refsynopsisdiv"> 171<h2>Synopsis</h2> 172<div class="refsect2"> 173<a name="id-1.2.161.8.2.1"></a><h3>Element Information</h3> 174<div class="variablelist"><table border="0" class="variablelist"> 175<colgroup> 176<col align="left" valign="top"> 177<col> 178</colgroup> 179<tbody> 180<tr> 181<td><p><span class="term">plugin</span></p></td> 182<td> 183 <a class="link" href="gst-plugins-bad-plugins-plugin-openh264.html#plugin-openh264">openh264</a> 184 </td> 185</tr> 186<tr> 187<td><p><span class="term">author</span></p></td> 188<td>Ericsson AB, http://www.ericsson.com</td> 189</tr> 190<tr> 191<td><p><span class="term">class</span></p></td> 192<td>Encoder/Video</td> 193</tr> 194</tbody> 195</table></div> 196</div> 197<hr> 198<div class="refsect2"> 199<a name="id-1.2.161.8.2.2"></a><h3>Element Pads</h3> 200<div class="variablelist"><table border="0" class="variablelist"> 201<colgroup> 202<col align="left" valign="top"> 203<col> 204</colgroup> 205<tbody> 206<tr> 207<td><p><span class="term">name</span></p></td> 208<td>sink</td> 209</tr> 210<tr> 211<td><p><span class="term">direction</span></p></td> 212<td>sink</td> 213</tr> 214<tr> 215<td><p><span class="term">presence</span></p></td> 216<td>always</td> 217</tr> 218<tr> 219<td><p><span class="term">details</span></p></td> 220<td>video/x-raw, format=(string)I420, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> 221</tr> 222</tbody> 223</table></div> 224<div class="variablelist"><table border="0" class="variablelist"> 225<colgroup> 226<col align="left" valign="top"> 227<col> 228</colgroup> 229<tbody> 230<tr> 231<td><p><span class="term">name</span></p></td> 232<td>src</td> 233</tr> 234<tr> 235<td><p><span class="term">direction</span></p></td> 236<td>source</td> 237</tr> 238<tr> 239<td><p><span class="term">presence</span></p></td> 240<td>always</td> 241</tr> 242<tr> 243<td><p><span class="term">details</span></p></td> 244<td>video/x-h264, stream-format=(string)byte-stream, alignment=(string)au, profile=(string)baseline</td> 245</tr> 246</tbody> 247</table></div> 248</div> 249</div> 250</div> 251<div class="refsect1"> 252<a name="gst-plugins-bad-plugins-openh264enc.functions_details"></a><h2>Functions</h2> 253<p></p> 254</div> 255<div class="refsect1"> 256<a name="gst-plugins-bad-plugins-openh264enc.other_details"></a><h2>Types and Values</h2> 257<div class="refsect2"> 258<a name="GstOpenh264Enc-struct"></a><h3>struct GstOpenh264Enc</h3> 259<pre class="programlisting">struct GstOpenh264Enc;</pre> 260</div> 261</div> 262<div class="refsect1"> 263<a name="gst-plugins-bad-plugins-openh264enc.property-details"></a><h2>Property Details</h2> 264<div class="refsect2"> 265<a name="GstOpenh264Enc--adaptive-quantization"></a><h3>The <code class="literal">“adaptive-quantization”</code> property</h3> 266<pre class="programlisting"> “adaptive-quantization” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> 267<p>Adaptive quantization.</p> 268<p>Flags: Read / Write</p> 269<p>Default value: TRUE</p> 270</div> 271<hr> 272<div class="refsect2"> 273<a name="GstOpenh264Enc--background-detection"></a><h3>The <code class="literal">“background-detection”</code> property</h3> 274<pre class="programlisting"> “background-detection” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> 275<p>Background detection.</p> 276<p>Flags: Read / Write</p> 277<p>Default value: TRUE</p> 278</div> 279<hr> 280<div class="refsect2"> 281<a name="GstOpenh264Enc--bitrate"></a><h3>The <code class="literal">“bitrate”</code> property</h3> 282<pre class="programlisting"> “bitrate” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre> 283<p>Bitrate (in bits per second).</p> 284<p>Flags: Read / Write</p> 285<p>Default value: 128000</p> 286</div> 287<hr> 288<div class="refsect2"> 289<a name="GstOpenh264Enc--deblocking"></a><h3>The <code class="literal">“deblocking”</code> property</h3> 290<pre class="programlisting"> “deblocking” <span class="type">GstOpenh264encDeblockingModes</span></pre> 291<p>Deblocking mode.</p> 292<p>Flags: Read / Write</p> 293<p>Default value: Deblocking on</p> 294</div> 295<hr> 296<div class="refsect2"> 297<a name="GstOpenh264Enc--enable-denoise"></a><h3>The <code class="literal">“enable-denoise”</code> property</h3> 298<pre class="programlisting"> “enable-denoise” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> 299<p>Denoise control.</p> 300<p>Flags: Read / Write</p> 301<p>Default value: FALSE</p> 302</div> 303<hr> 304<div class="refsect2"> 305<a name="GstOpenh264Enc--enable-frame-skip"></a><h3>The <code class="literal">“enable-frame-skip”</code> property</h3> 306<pre class="programlisting"> “enable-frame-skip” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> 307<p>Skip frames to reach target bitrate.</p> 308<p>Flags: Read / Write</p> 309<p>Default value: FALSE</p> 310</div> 311<hr> 312<div class="refsect2"> 313<a name="GstOpenh264Enc--gop-size"></a><h3>The <code class="literal">“gop-size”</code> property</h3> 314<pre class="programlisting"> “gop-size” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre> 315<p>Number of frames between intra frames.</p> 316<p>Flags: Read / Write</p> 317<p>Default value: 90</p> 318</div> 319<hr> 320<div class="refsect2"> 321<a name="GstOpenh264Enc--max-slice-size"></a><h3>The <code class="literal">“max-slice-size”</code> property</h3> 322<pre class="programlisting"> “max-slice-size” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre> 323<p>The maximum size of one slice (in bytes).</p> 324<p>Flags: Read / Write</p> 325<p>Default value: 1500000</p> 326</div> 327<hr> 328<div class="refsect2"> 329<a name="GstOpenh264Enc--multi-thread"></a><h3>The <code class="literal">“multi-thread”</code> property</h3> 330<pre class="programlisting"> “multi-thread” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre> 331<p>The number of threads.</p> 332<p>Flags: Read / Write</p> 333<p>Default value: 0</p> 334</div> 335<hr> 336<div class="refsect2"> 337<a name="GstOpenh264Enc--num-slices"></a><h3>The <code class="literal">“num-slices”</code> property</h3> 338<pre class="programlisting"> “num-slices” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre> 339<p>The number of slices (needs slice-mode=n-slices).</p> 340<p>Flags: Read / Write</p> 341<p>Default value: 1</p> 342</div> 343<hr> 344<div class="refsect2"> 345<a name="GstOpenh264Enc--rate-control"></a><h3>The <code class="literal">“rate-control”</code> property</h3> 346<pre class="programlisting"> “rate-control” <span class="type">RC_MODES</span></pre> 347<p>Rate control mode.</p> 348<p>Flags: Read / Write</p> 349<p>Default value: Quality mode</p> 350</div> 351<hr> 352<div class="refsect2"> 353<a name="GstOpenh264Enc--scene-change-detection"></a><h3>The <code class="literal">“scene-change-detection”</code> property</h3> 354<pre class="programlisting"> “scene-change-detection” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> 355<p>Scene change detection.</p> 356<p>Flags: Read / Write</p> 357<p>Default value: TRUE</p> 358</div> 359<hr> 360<div class="refsect2"> 361<a name="GstOpenh264Enc--slice-mode"></a><h3>The <code class="literal">“slice-mode”</code> property</h3> 362<pre class="programlisting"> “slice-mode” <span class="type">GstOpenh264EncSliceModes</span></pre> 363<p>Slice mode.</p> 364<p>Flags: Read / Write</p> 365<p>Default value: Fixed number of slices</p> 366</div> 367<hr> 368<div class="refsect2"> 369<a name="GstOpenh264Enc--usage-type"></a><h3>The <code class="literal">“usage-type”</code> property</h3> 370<pre class="programlisting"> “usage-type” <span class="type">EUsageType</span></pre> 371<p>Type of video content.</p> 372<p>Flags: Read / Write</p> 373<p>Default value: video from camera</p> 374</div> 375<hr> 376<div class="refsect2"> 377<a name="GstOpenh264Enc--complexity"></a><h3>The <code class="literal">“complexity”</code> property</h3> 378<pre class="programlisting"> “complexity” <span class="type">GstOpenh264encComplexity</span></pre> 379<p>Complexity.</p> 380<p>Flags: Read / Write</p> 381<p>Default value: Medium complexity / medium speed encoding</p> 382</div> 383<hr> 384<div class="refsect2"> 385<a name="GstOpenh264Enc--max-bitrate"></a><h3>The <code class="literal">“max-bitrate”</code> property</h3> 386<pre class="programlisting"> “max-bitrate” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre> 387<p>Maximum Bitrate (in bits per second).</p> 388<p>Flags: Read / Write</p> 389<p>Default value: 0</p> 390</div> 391<hr> 392<div class="refsect2"> 393<a name="GstOpenh264Enc--qp-max"></a><h3>The <code class="literal">“qp-max”</code> property</h3> 394<pre class="programlisting"> “qp-max” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre> 395<p>Maximum quantizer.</p> 396<p>Flags: Read / Write</p> 397<p>Allowed values: <= 51</p> 398<p>Default value: 51</p> 399</div> 400<hr> 401<div class="refsect2"> 402<a name="GstOpenh264Enc--qp-min"></a><h3>The <code class="literal">“qp-min”</code> property</h3> 403<pre class="programlisting"> “qp-min” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre> 404<p>Minimum quantizer.</p> 405<p>Flags: Read / Write</p> 406<p>Allowed values: <= 51</p> 407<p>Default value: 0</p> 408</div> 409</div> 410</div> 411<div class="footer"> 412<hr>Generated by GTK-Doc V1.28</div> 413</body> 414</html>
