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>decklinkaudiosink: 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-debugspy.html" title="debugspy"> 10<link rel="next" href="gst-plugins-bad-plugins-decklinkaudiosrc.html" title="decklinkaudiosrc"> 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 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href="gst-plugins-bad-plugins-decklinkaudiosrc.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-decklinkaudiosink"></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-decklinkaudiosink.top_of_page"></a>decklinkaudiosink</span></h2> 32<p>decklinkaudiosink — Outputs Audio to 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-decklinkaudiosink.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#gint"><span class="type">gint</span></a></td> 47<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-decklinkaudiosink.html#GstDecklinkAudioSink--device-number" title="The “device-number” property">device-number</a></td> 48<td class="property_flags">Read / Write / Construct</td> 49</tr> 50<tr> 51<td class="property_type"> 52<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td> 53<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-decklinkaudiosink.html#GstDecklinkAudioSink--hw-serial-number" title="The “hw-serial-number” property">hw-serial-number</a></td> 54<td class="property_flags">Read</td> 55</tr> 56<tr> 57<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></td> 58<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-decklinkaudiosink.html#GstDecklinkAudioSink--alignment-threshold" title="The “alignment-threshold” property">alignment-threshold</a></td> 59<td class="property_flags">Read / Write</td> 60</tr> 61<tr> 62<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></td> 63<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-decklinkaudiosink.html#GstDecklinkAudioSink--buffer-time" title="The “buffer-time” property">buffer-time</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#guint64"><span class="type">guint64</span></a></td> 68<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-decklinkaudiosink.html#GstDecklinkAudioSink--discont-wait" title="The “discont-wait” property">discont-wait</a></td> 69<td class="property_flags">Read / Write</td> 70</tr> 71</tbody> 72</table></div> 73</div> 74<a name="GstDecklinkAudioSink"></a><div class="refsect1"> 75<a name="gst-plugins-bad-plugins-decklinkaudiosink.other"></a><h2>Types and Values</h2> 76<div class="informaltable"><table class="informaltable" width="100%" border="0"> 77<colgroup> 78<col width="150px" class="name"> 79<col class="description"> 80</colgroup> 81<tbody><tr> 82<td class="datatype_keyword">struct</td> 83<td class="function_name"><a class="link" href="gst-plugins-bad-plugins-decklinkaudiosink.html#GstDecklinkAudioSink-struct" title="struct GstDecklinkAudioSink">GstDecklinkAudioSink</a></td> 84</tr></tbody> 85</table></div> 86</div> 87<div class="refsect1"> 88<a name="gst-plugins-bad-plugins-decklinkaudiosink.object-hierarchy"></a><h2>Object Hierarchy</h2> 89<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 90 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 91 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 92 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 93 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstBaseSink.html#GstBaseSink-struct">GstBaseSink</a> 94 <span class="lineart">╰──</span> GstDecklinkAudioSink 95</pre> 96</div> 97<div class="refsect1"> 98<a name="gst-plugins-bad-plugins-decklinkaudiosink.description"></a><h2>Description</h2> 99<p>Playout Video and Audio to a BlackMagic DeckLink Device. Can only be used 100in conjunction with decklinkvideosink.</p> 101<div class="refsect3"> 102<a name="id-1.2.54.7.3"></a><h4>Sample pipeline</h4> 103<div class="informalexample"> 104 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 105 <tbody> 106 <tr> 107 <td class="listing_lines" align="right"><pre>1 1082 1093</pre></td> 110 <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> \ 111 videotestsrc <span class="gtkdoc opt">!</span> decklinkvideosink 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 \ 112 audiotestsrc <span class="gtkdoc opt">!</span> decklinkaudiosink device<span class="gtkdoc opt">-</span>number<span class="gtkdoc opt">=</span><span class="number">0</span></pre></td> 113 </tr> 114 </tbody> 115 </table> 116</div> 117 118<p> 119Playout a 1080p25 test-video with a test-audio signal to the SDI-Out of Card 0. 120Devices are numbered starting with 0.</p> 121</div> 122<div class="refsynopsisdiv"> 123<h2>Synopsis</h2> 124<div class="refsect2"> 125<a name="id-1.2.54.7.4.1"></a><h3>Element Information</h3> 126<div class="variablelist"><table border="0" class="variablelist"> 127<colgroup> 128<col align="left" valign="top"> 129<col> 130</colgroup> 131<tbody> 132<tr> 133<td><p><span class="term">plugin</span></p></td> 134<td> 135 <a class="link" href="gst-plugins-bad-plugins-plugin-decklink.html#plugin-decklink">decklink</a> 136 </td> 137</tr> 138<tr> 139<td><p><span class="term">author</span></p></td> 140<td>David Schleef <ds@entropywave.com>, Sebastian Dröge <sebastian@centricular.com></td> 141</tr> 142<tr> 143<td><p><span class="term">class</span></p></td> 144<td>Audio/Sink/Hardware</td> 145</tr> 146</tbody> 147</table></div> 148</div> 149<hr> 150<div class="refsect2"> 151<a name="id-1.2.54.7.4.2"></a><h3>Element Pads</h3> 152<div class="variablelist"><table border="0" class="variablelist"> 153<colgroup> 154<col align="left" valign="top"> 155<col> 156</colgroup> 157<tbody> 158<tr> 159<td><p><span class="term">name</span></p></td> 160<td>sink</td> 161</tr> 162<tr> 163<td><p><span class="term">direction</span></p></td> 164<td>sink</td> 165</tr> 166<tr> 167<td><p><span class="term">presence</span></p></td> 168<td>always</td> 169</tr> 170<tr> 171<td><p><span class="term">details</span></p></td> 172<td>audio/x-raw, format=(string){ S16LE, S32LE }, channels=(int){ 2, 8, 16 }, rate=(int)48000, layout=(string)interleaved</td> 173</tr> 174</tbody> 175</table></div> 176</div> 177</div> 178</div> 179<div class="refsect1"> 180<a name="gst-plugins-bad-plugins-decklinkaudiosink.functions_details"></a><h2>Functions</h2> 181<p></p> 182</div> 183<div class="refsect1"> 184<a name="gst-plugins-bad-plugins-decklinkaudiosink.other_details"></a><h2>Types and Values</h2> 185<div class="refsect2"> 186<a name="GstDecklinkAudioSink-struct"></a><h3>struct GstDecklinkAudioSink</h3> 187<pre class="programlisting">struct GstDecklinkAudioSink;</pre> 188</div> 189</div> 190<div class="refsect1"> 191<a name="gst-plugins-bad-plugins-decklinkaudiosink.property-details"></a><h2>Property Details</h2> 192<div class="refsect2"> 193<a name="GstDecklinkAudioSink--device-number"></a><h3>The <code class="literal">“device-number”</code> property</h3> 194<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> 195<p>Output device instance to use.</p> 196<p>Flags: Read / Write / Construct</p> 197<p>Allowed values: >= 0</p> 198<p>Default value: 0</p> 199</div> 200<hr> 201<div class="refsect2"> 202<a name="GstDecklinkAudioSink--hw-serial-number"></a><h3>The <code class="literal">“hw-serial-number”</code> property</h3> 203<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> 204<p>The serial number (hardware ID) of the Decklink card.</p> 205<p>Flags: Read</p> 206<p>Default value: NULL</p> 207</div> 208<hr> 209<div class="refsect2"> 210<a name="GstDecklinkAudioSink--alignment-threshold"></a><h3>The <code class="literal">“alignment-threshold”</code> property</h3> 211<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> 212<p>Timestamp alignment threshold in nanoseconds.</p> 213<p>Flags: Read / Write</p> 214<p>Allowed values: <= 18446744073709551614</p> 215<p>Default value: 40000000</p> 216</div> 217<hr> 218<div class="refsect2"> 219<a name="GstDecklinkAudioSink--buffer-time"></a><h3>The <code class="literal">“buffer-time”</code> property</h3> 220<pre class="programlisting"> “buffer-time” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></pre> 221<p>Size of audio buffer in microseconds, this is the minimum latency that the sink reports.</p> 222<p>Flags: Read / Write</p> 223<p>Default value: 50000</p> 224</div> 225<hr> 226<div class="refsect2"> 227<a name="GstDecklinkAudioSink--discont-wait"></a><h3>The <code class="literal">“discont-wait”</code> property</h3> 228<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> 229<p>Window of time in nanoseconds to wait before creating a discontinuity.</p> 230<p>Flags: Read / Write</p> 231<p>Allowed values: <= 18446744073709551614</p> 232<p>Default value: 1000000000</p> 233</div> 234</div> 235<div class="refsect1"> 236<a name="gst-plugins-bad-plugins-decklinkaudiosink.see-also"></a><h2>See Also</h2> 237<p>decklinkvideosink</p> 238</div> 239</div> 240<div class="footer"> 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