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| <div class="refentry"> |
| <a name="gst-plugins-bad-plugins-bs2b"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
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| <h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-bs2b.top_of_page"></a>bs2b</span></h2> |
| <p>bs2b</p> |
| </td> |
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| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-plugins-bs2b.properties"></a><h2>Properties</h2> |
| <div class="informaltable"><table class="informaltable" border="0"> |
| <colgroup> |
| <col width="150px" class="properties_type"> |
| <col width="300px" class="properties_name"> |
| <col width="200px" class="properties_flags"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></td> |
| <td class="property_name"><a class="link" href="gst-plugins-bad-plugins-bs2b.html#GstBs2b--fcut" title="The “fcut” property">fcut</a></td> |
| <td class="property_flags">Read / Write</td> |
| </tr> |
| <tr> |
| <td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></td> |
| <td class="property_name"><a class="link" href="gst-plugins-bad-plugins-bs2b.html#GstBs2b--feed" title="The “feed” property">feed</a></td> |
| <td class="property_flags">Read / Write</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <a name="GstBs2b"></a><div class="refsect1"> |
| <a name="gst-plugins-bad-plugins-bs2b.other"></a><h2>Types and Values</h2> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="name"> |
| <col class="description"> |
| </colgroup> |
| <tbody><tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="gst-plugins-bad-plugins-bs2b.html#GstBs2b-struct" title="struct GstBs2b">GstBs2b</a></td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-plugins-bs2b.object-hierarchy"></a><h2>Object Hierarchy</h2> |
| <pre class="screen"> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GObject-struct">GObject</a> |
| <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> |
| <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstObject.html#GstObject-struct">GstObject</a> |
| <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstElement.html#GstElement-struct">GstElement</a> |
| <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0GstBaseTransform.html#GstBaseTransform-struct">GstBaseTransform</a> |
| <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0gst-plugins-base-libs-gstaudiofilter.html#GstAudioFilter-struct">GstAudioFilter</a> |
| <span class="lineart">╰──</span> GstBs2b |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-plugins-bs2b.implemented-interfaces"></a><h2>Implemented Interfaces</h2> |
| <p> |
| GstBs2b implements |
| <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstPreset.html#GstPreset-struct">GstPreset</a>.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-plugins-bs2b.description"></a><h2>Description</h2> |
| <p>Improve headphone listening of stereo audio records using the bs2b library. |
| It does so by mixing the left and right channel in a way that simulates |
| a stereo speaker setup while using headphones.</p> |
| <div class="refsect2"> |
| <a name="id-1.2.10.8.3"></a><h3>Example pipelines</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<span class="gtkdoc opt">-</span><span class="number">1.0</span> audiotestsrc <span class="gtkdoc opt">!</span> <span class="string">"audio/x-raw,channel-mask=(bitmask)0x1"</span> <span class="gtkdoc opt">!</span> interleave name<span class="gtkdoc opt">=</span>i <span class="gtkdoc opt">!</span> bs2b <span class="gtkdoc opt">!</span> autoaudiosink audiotestsrc freq<span class="gtkdoc opt">=</span><span class="number">330</span> <span class="gtkdoc opt">!</span> <span class="string">"audio/x-raw,channel-mask=(bitmask)0x2"</span> <span class="gtkdoc opt">!</span> i<span class="gtkdoc opt">.</span></pre></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| Play two independent sine test sources and crossfeed them. |
| </div> |
| <div class="refsynopsisdiv"> |
| <h2>Synopsis</h2> |
| <div class="refsect2"> |
| <a name="id-1.2.10.8.4.1"></a><h3>Element Information</h3> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term">plugin</span></p></td> |
| <td> |
| <a class="link" href="gst-plugins-bad-plugins-plugin-bs2b.html#plugin-bs2b">bs2b</a> |
| </td> |
| </tr> |
| <tr> |
| <td><p><span class="term">author</span></p></td> |
| <td>Christoph Reiter <reiter.christoph@gmail.com></td> |
| </tr> |
| <tr> |
| <td><p><span class="term">class</span></p></td> |
| <td>Filter/Effect/Audio</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="id-1.2.10.8.4.2"></a><h3>Element Pads</h3> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <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>audio/x-raw, format=(string){ S8, U8, S16LE, S16BE, U16LE, U16BE, S32LE, S32BE, U32LE, U32BE, S24LE, S24BE, U24LE, U24BE, F32LE, F32BE, F64LE, F64BE }, rate=(int)[ 2000, 384000 ], channels=(int)2, channel-mask=(bitmask)0x0000000000000003, layout=(string)interleaved</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"></span></p></td> |
| <td> audio/x-raw, channels=(int)1</td> |
| </tr> |
| </tbody> |
| </table></div> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <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>audio/x-raw, format=(string){ S8, U8, S16LE, S16BE, U16LE, U16BE, S32LE, S32BE, U32LE, U32BE, S24LE, S24BE, U24LE, U24BE, F32LE, F32BE, F64LE, F64BE }, rate=(int)[ 2000, 384000 ], channels=(int)2, channel-mask=(bitmask)0x0000000000000003, layout=(string)interleaved</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"></span></p></td> |
| <td> audio/x-raw, channels=(int)1</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-plugins-bs2b.functions_details"></a><h2>Functions</h2> |
| <p></p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-plugins-bs2b.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstBs2b-struct"></a><h3>struct GstBs2b</h3> |
| <pre class="programlisting">struct GstBs2b;</pre> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-plugins-bs2b.property-details"></a><h2>Property Details</h2> |
| <div class="refsect2"> |
| <a name="GstBs2b--fcut"></a><h3>The <code class="literal">“fcut”</code> property</h3> |
| <pre class="programlisting"> “fcut” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre> |
| <p>Low-pass filter cut frequency (Hz).</p> |
| <p>Flags: Read / Write</p> |
| <p>Allowed values: [300,2000]</p> |
| <p>Default value: 700</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstBs2b--feed"></a><h3>The <code class="literal">“feed”</code> property</h3> |
| <pre class="programlisting"> “feed” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre> |
| <p>Feed Level (dB/10).</p> |
| <p>Flags: Read / Write</p> |
| <p>Allowed values: [10,150]</p> |
| <p>Default value: 45</p> |
| </div> |
| </div> |
| </div> |
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