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>decklinkaudiosrc: 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-decklinkaudiosink.html" title="decklinkaudiosink"> 10<link rel="next" href="gst-plugins-bad-plugins-decklinkvideosink.html" title="decklinkvideosink"> 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 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accesskey="n" href="gst-plugins-bad-plugins-decklinkvideosink.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> 26</tr></table> 27<div class="refentry"> 28<a name="gst-plugins-bad-plugins-decklinkaudiosrc"></a><div class="titlepage"></div> 29<div class="refnamediv"><table width="100%"><tr> 30<td valign="top"> 31<h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-decklinkaudiosrc.top_of_page"></a>decklinkaudiosrc</span></h2> 32<p>decklinkaudiosrc — Inputs Audio from a BlackMagic DeckLink Device</p> 33</td> 34<td class="gallery_image" valign="top" align="right"></td> 35</tr></table></div> 36<div class="refsect1"> 37<a name="gst-plugins-bad-plugins-decklinkaudiosrc.properties"></a><h2>Properties</h2> 38<div class="informaltable"><table class="informaltable" border="0"> 39<colgroup> 40<col width="150px" class="properties_type"> 41<col width="300px" class="properties_name"> 42<col width="200px" class="properties_flags"> 43</colgroup> 44<tbody> 45<tr> 46<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></td> 47<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-decklinkaudiosrc.html#GstDecklinkAudioSrc--alignment-threshold" title="The “alignment-threshold” property">alignment-threshold</a></td> 48<td class="property_flags">Read / Write</td> 49</tr> 50<tr> 51<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td> 52<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-decklinkaudiosrc.html#GstDecklinkAudioSrc--buffer-size" title="The “buffer-size” property">buffer-size</a></td> 53<td class="property_flags">Read / Write</td> 54</tr> 55<tr> 56<td class="property_type"><span class="type">GstDecklinkAudioConnection</span></td> 57<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-decklinkaudiosrc.html#GstDecklinkAudioSrc--connection" title="The “connection” property">connection</a></td> 58<td class="property_flags">Read / Write / Construct</td> 59</tr> 60<tr> 61<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td> 62<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-decklinkaudiosrc.html#GstDecklinkAudioSrc--device-number" title="The “device-number” property">device-number</a></td> 63<td class="property_flags">Read / Write / Construct</td> 64</tr> 65<tr> 66<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></td> 67<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-decklinkaudiosrc.html#GstDecklinkAudioSrc--discont-wait" title="The “discont-wait” property">discont-wait</a></td> 68<td class="property_flags">Read / Write</td> 69</tr> 70<tr> 71<td class="property_type"><span class="type">GstDecklinkAudioChannels</span></td> 72<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-decklinkaudiosrc.html#GstDecklinkAudioSrc--channels" title="The “channels” property">channels</a></td> 73<td class="property_flags">Read / Write / Construct</td> 74</tr> 75<tr> 76<td class="property_type"> 77<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td> 78<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-decklinkaudiosrc.html#GstDecklinkAudioSrc--hw-serial-number" title="The “hw-serial-number” property">hw-serial-number</a></td> 79<td class="property_flags">Read</td> 80</tr> 81</tbody> 82</table></div> 83</div> 84<a name="GstDecklinkAudioSrc"></a><div class="refsect1"> 85<a name="gst-plugins-bad-plugins-decklinkaudiosrc.other"></a><h2>Types and Values</h2> 86<div class="informaltable"><table class="informaltable" width="100%" border="0"> 87<colgroup> 88<col width="150px" class="name"> 89<col class="description"> 90</colgroup> 91<tbody><tr> 92<td class="datatype_keyword">struct</td> 93<td class="function_name"><a class="link" href="gst-plugins-bad-plugins-decklinkaudiosrc.html#GstDecklinkAudioSrc-struct" title="struct GstDecklinkAudioSrc">GstDecklinkAudioSrc</a></td> 94</tr></tbody> 95</table></div> 96</div> 97<div class="refsect1"> 98<a name="gst-plugins-bad-plugins-decklinkaudiosrc.object-hierarchy"></a><h2>Object Hierarchy</h2> 99<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 100 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 101 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 102 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 103 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstBaseSrc.html#GstBaseSrc-struct">GstBaseSrc</a> 104 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstPushSrc.html#GstPushSrc-struct">GstPushSrc</a> 105 <span class="lineart">╰──</span> GstDecklinkAudioSrc 106</pre> 107</div> 108<div class="refsect1"> 109<a name="gst-plugins-bad-plugins-decklinkaudiosrc.description"></a><h2>Description</h2> 110<p>Capture Video and Audio from a BlackMagic DeckLink Device. Can only be used 111in conjunction with decklinkvideosink.</p> 112<div class="refsect3"> 113<a name="id-1.2.55.7.3"></a><h4>Sample pipeline</h4> 114<div class="informalexample"> 115 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 116 <tbody> 117 <tr> 118 <td class="listing_lines" align="right"><pre>1 1192 1203</pre></td> 121 <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> \ 122 decklinkvideosrc device<span class="gtkdoc opt">-</span>number<span class="gtkdoc opt">=</span><span class="number">0</span> mode<span class="gtkdoc opt">=</span><span class="number">1080</span>p25 <span class="gtkdoc opt">!</span> autovideosink \ 123 decklinkaudiosrc device<span class="gtkdoc opt">-</span>number<span class="gtkdoc opt">=</span><span class="number">0</span> <span class="gtkdoc opt">!</span> autoaudiosink</pre></td> 124 </tr> 125 </tbody> 126 </table> 127</div> 128 129<p> 130Capturing 1080p25 video and audio from the SDI-In of Card 0. Devices are numbered 131starting with 0.</p> 132</div> 133<div class="refsynopsisdiv"> 134<h2>Synopsis</h2> 135<div class="refsect2"> 136<a name="id-1.2.55.7.4.1"></a><h3>Element Information</h3> 137<div class="variablelist"><table border="0" class="variablelist"> 138<colgroup> 139<col align="left" valign="top"> 140<col> 141</colgroup> 142<tbody> 143<tr> 144<td><p><span class="term">plugin</span></p></td> 145<td> 146 <a class="link" href="gst-plugins-bad-plugins-plugin-decklink.html#plugin-decklink">decklink</a> 147 </td> 148</tr> 149<tr> 150<td><p><span class="term">author</span></p></td> 151<td>David Schleef <ds@entropywave.com>, Sebastian Dröge <sebastian@centricular.com></td> 152</tr> 153<tr> 154<td><p><span class="term">class</span></p></td> 155<td>Audio/Source/Hardware</td> 156</tr> 157</tbody> 158</table></div> 159</div> 160<hr> 161<div class="refsect2"> 162<a name="id-1.2.55.7.4.2"></a><h3>Element Pads</h3> 163<div class="variablelist"><table border="0" class="variablelist"> 164<colgroup> 165<col align="left" valign="top"> 166<col> 167</colgroup> 168<tbody> 169<tr> 170<td><p><span class="term">name</span></p></td> 171<td>src</td> 172</tr> 173<tr> 174<td><p><span class="term">direction</span></p></td> 175<td>source</td> 176</tr> 177<tr> 178<td><p><span class="term">presence</span></p></td> 179<td>always</td> 180</tr> 181<tr> 182<td><p><span class="term">details</span></p></td> 183<td>audio/x-raw, format=(string){ S16LE, S32LE }, channels=(int)2, rate=(int)48000, layout=(string)interleaved</td> 184</tr> 185<tr> 186<td><p><span class="term"></span></p></td> 187<td> audio/x-raw, format=(string){ S16LE, S32LE }, channels=(int){ 8, 16 }, channel-mask=(bitmask)0x0000000000000000, rate=(int)48000, layout=(string)interleaved</td> 188</tr> 189</tbody> 190</table></div> 191</div> 192</div> 193</div> 194<div class="refsect1"> 195<a name="gst-plugins-bad-plugins-decklinkaudiosrc.functions_details"></a><h2>Functions</h2> 196<p></p> 197</div> 198<div class="refsect1"> 199<a name="gst-plugins-bad-plugins-decklinkaudiosrc.other_details"></a><h2>Types and Values</h2> 200<div class="refsect2"> 201<a name="GstDecklinkAudioSrc-struct"></a><h3>struct GstDecklinkAudioSrc</h3> 202<pre class="programlisting">struct GstDecklinkAudioSrc;</pre> 203</div> 204</div> 205<div class="refsect1"> 206<a name="gst-plugins-bad-plugins-decklinkaudiosrc.property-details"></a><h2>Property Details</h2> 207<div class="refsect2"> 208<a name="GstDecklinkAudioSrc--alignment-threshold"></a><h3>The <code class="literal">“alignment-threshold”</code> property</h3> 209<pre class="programlisting"> “alignment-threshold” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></pre> 210<p>Timestamp alignment threshold in nanoseconds.</p> 211<p>Flags: Read / Write</p> 212<p>Allowed values: <= 18446744073709551614</p> 213<p>Default value: 40000000</p> 214</div> 215<hr> 216<div class="refsect2"> 217<a name="GstDecklinkAudioSrc--buffer-size"></a><h3>The <code class="literal">“buffer-size”</code> property</h3> 218<pre class="programlisting"> “buffer-size” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre> 219<p>Size of internal buffer in number of video frames.</p> 220<p>Flags: Read / Write</p> 221<p>Allowed values: [1,G_MAXINT]</p> 222<p>Default value: 5</p> 223</div> 224<hr> 225<div class="refsect2"> 226<a name="GstDecklinkAudioSrc--connection"></a><h3>The <code class="literal">“connection”</code> property</h3> 227<pre class="programlisting"> “connection” <span class="type">GstDecklinkAudioConnection</span></pre> 228<p>Audio input connection to use.</p> 229<p>Flags: Read / Write / Construct</p> 230<p>Default value: Automatic</p> 231</div> 232<hr> 233<div class="refsect2"> 234<a name="GstDecklinkAudioSrc--device-number"></a><h3>The <code class="literal">“device-number”</code> property</h3> 235<pre class="programlisting"> “device-number” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre> 236<p>Output device instance to use.</p> 237<p>Flags: Read / Write / Construct</p> 238<p>Allowed values: >= 0</p> 239<p>Default value: 0</p> 240</div> 241<hr> 242<div class="refsect2"> 243<a name="GstDecklinkAudioSrc--discont-wait"></a><h3>The <code class="literal">“discont-wait”</code> property</h3> 244<pre class="programlisting"> “discont-wait” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></pre> 245<p>Window of time in nanoseconds to wait before creating a discontinuity.</p> 246<p>Flags: Read / Write</p> 247<p>Allowed values: <= 18446744073709551614</p> 248<p>Default value: 1000000000</p> 249</div> 250<hr> 251<div class="refsect2"> 252<a name="GstDecklinkAudioSrc--channels"></a><h3>The <code class="literal">“channels”</code> property</h3> 253<pre class="programlisting"> “channels” <span class="type">GstDecklinkAudioChannels</span></pre> 254<p>Audio channels.</p> 255<p>Flags: Read / Write / Construct</p> 256<p>Default value: 2 Channels</p> 257</div> 258<hr> 259<div class="refsect2"> 260<a name="GstDecklinkAudioSrc--hw-serial-number"></a><h3>The <code class="literal">“hw-serial-number”</code> property</h3> 261<pre class="programlisting"> “hw-serial-number” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre> 262<p>The serial number (hardware ID) of the Decklink card.</p> 263<p>Flags: Read</p> 264<p>Default value: NULL</p> 265</div> 266</div> 267<div class="refsect1"> 268<a name="gst-plugins-bad-plugins-decklinkaudiosrc.see-also"></a><h2>See Also</h2> 269<p>decklinkvideosrc</p> 270</div> 271</div> 272<div class="footer"> 273<hr>Generated by GTK-Doc V1.28</div> 274</body> 275</html>
