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>wavpackenc: GStreamer Good 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 Good Plugins 1.0 Plugins Reference Manual"> 8<link rel="up" href="ch01.html" title="gst-plugins-good Elements"> 9<link rel="prev" href="gst-plugins-good-plugins-wavpackdec.html" title="wavpackdec"> 10<link rel="next" href="gst-plugins-good-plugins-wavpackparse.html" title="wavpackparse"> 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-good-plugins-wavpackenc.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#gst-plugins-good-plugins-wavpackenc.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces"> <span class="dim">|</span> 20 <a href="#gst-plugins-good-plugins-wavpackenc.implemented-interfaces" class="shortcut">Implemented Interfaces</a></span><span id="nav_properties"> <span class="dim">|</span> 21 <a href="#gst-plugins-good-plugins-wavpackenc.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-good-plugins-wavpackdec.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 26<td><a accesskey="n" href="gst-plugins-good-plugins-wavpackparse.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-good-plugins-wavpackenc"></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-good-plugins-wavpackenc.top_of_page"></a>wavpackenc</span></h2> 33<p>wavpackenc</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-good-plugins-wavpackenc.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#guint"><span class="type">guint</span></a></td> 48<td class="property_name"><a class="link" href="gst-plugins-good-plugins-wavpackenc.html#GstWavpackEnc--bitrate" title="The “bitrate” property">bitrate</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#gdouble"><span class="type">gdouble</span></a></td> 53<td class="property_name"><a class="link" href="gst-plugins-good-plugins-wavpackenc.html#GstWavpackEnc--bits-per-sample" title="The “bits-per-sample” property">bits-per-sample</a></td> 54<td class="property_flags">Read / Write</td> 55</tr> 56<tr> 57<td class="property_type"><span class="type">GstWavpackEncCorrectionMode</span></td> 58<td class="property_name"><a class="link" href="gst-plugins-good-plugins-wavpackenc.html#GstWavpackEnc--correction-mode" title="The “correction-mode” property">correction-mode</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#guint"><span class="type">guint</span></a></td> 63<td class="property_name"><a class="link" href="gst-plugins-good-plugins-wavpackenc.html#GstWavpackEnc--extra-processing" title="The “extra-processing” property">extra-processing</a></td> 64<td class="property_flags">Read / Write</td> 65</tr> 66<tr> 67<td class="property_type"><span class="type">GstWavpackEncJSMode</span></td> 68<td class="property_name"><a class="link" href="gst-plugins-good-plugins-wavpackenc.html#GstWavpackEnc--joint-stereo-mode" title="The “joint-stereo-mode” property">joint-stereo-mode</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-good-plugins-wavpackenc.html#GstWavpackEnc--md5" title="The “md5” property">md5</a></td> 74<td class="property_flags">Read / Write</td> 75</tr> 76<tr> 77<td class="property_type"><span class="type">GstWavpackEncMode</span></td> 78<td class="property_name"><a class="link" href="gst-plugins-good-plugins-wavpackenc.html#GstWavpackEnc--mode" title="The “mode” property">mode</a></td> 79<td class="property_flags">Read / Write</td> 80</tr> 81</tbody> 82</table></div> 83</div> 84<a name="GstWavpackEnc"></a><div class="refsect1"> 85<a name="gst-plugins-good-plugins-wavpackenc.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-good-plugins-wavpackenc.html#GstWavpackEnc-struct" title="struct GstWavpackEnc">GstWavpackEnc</a></td> 94</tr></tbody> 95</table></div> 96</div> 97<div class="refsect1"> 98<a name="gst-plugins-good-plugins-wavpackenc.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/gst-plugins-base-libs-1.0/GstAudioEncoder.html#GstAudioEncoder-struct">GstAudioEncoder</a> 104 <span class="lineart">╰──</span> GstWavpackEnc 105</pre> 106</div> 107<div class="refsect1"> 108<a name="gst-plugins-good-plugins-wavpackenc.implemented-interfaces"></a><h2>Implemented Interfaces</h2> 109<p> 110GstWavpackEnc implements 111 <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPreset.html#GstPreset-struct">GstPreset</a>.</p> 112</div> 113<div class="refsect1"> 114<a name="gst-plugins-good-plugins-wavpackenc.description"></a><h2>Description</h2> 115<p>WavpackEnc encodes raw audio into a framed Wavpack stream.</p> 116<a class="ulink" href="http://www.wavpack.com/" target="_top">Wavpack</a> is an open-source 117<p>audio codec that features both lossless and lossy encoding.</p> 118<div class="refsect2"> 119<a name="id-1.2.279.8.5"></a><h3>Example launch line</h3> 120<div class="informalexample"> 121 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 122 <tbody> 123 <tr> 124 <td class="listing_lines" align="right"><pre>1</pre></td> 125 <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 num<span class="gtkdoc opt">-</span>buffers<span class="gtkdoc opt">=</span><span class="number">500</span> <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> wavpackenc <span class="gtkdoc opt">!</span> filesink location<span class="gtkdoc opt">=</span>sinewave<span class="gtkdoc opt">.</span>wv</pre></td> 126 </tr> 127 </tbody> 128 </table> 129</div> 130 This pipeline encodes audio from audiotestsrc into a Wavpack file. The audioconvert element is needed 131as the Wavpack encoder only accepts input with 32 bit width. 132<div class="informalexample"> 133 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 134 <tbody> 135 <tr> 136 <td class="listing_lines" align="right"><pre>1</pre></td> 137 <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> cdda<span class="gtkdoc opt">:</span><span class="gtkdoc slc">//1 ! audioconvert ! wavpackenc ! filesink location=track1.wv</span></pre></td> 138 </tr> 139 </tbody> 140 </table> 141</div> 142 This pipeline encodes audio from an audio CD into a Wavpack file using 143lossless encoding (the file output will be fairly large). 144<div class="informalexample"> 145 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 146 <tbody> 147 <tr> 148 <td class="listing_lines" align="right"><pre>1</pre></td> 149 <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> cdda<span class="gtkdoc opt">:</span><span class="gtkdoc slc">//1 ! audioconvert ! wavpackenc bitrate=128000 ! filesink location=track1.wv</span></pre></td> 150 </tr> 151 </tbody> 152 </table> 153</div> 154 This pipeline encodes audio from an audio CD into a Wavpack file using 155lossy encoding at a certain bitrate (the file will be fairly small). 156</div> 157<div class="refsynopsisdiv"> 158<h2>Synopsis</h2> 159<div class="refsect2"> 160<a name="id-1.2.279.8.6.1"></a><h3>Element Information</h3> 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">plugin</span></p></td> 169<td> 170 <a class="link" href="gst-plugins-good-plugins-plugin-wavpack.html#plugin-wavpack">wavpack</a> 171 </td> 172</tr> 173<tr> 174<td><p><span class="term">author</span></p></td> 175<td>Sebastian Dröge <slomo@circular-chaos.org></td> 176</tr> 177<tr> 178<td><p><span class="term">class</span></p></td> 179<td>Codec/Encoder/Audio</td> 180</tr> 181</tbody> 182</table></div> 183</div> 184<hr> 185<div class="refsect2"> 186<a name="id-1.2.279.8.6.2"></a><h3>Element Pads</h3> 187<div class="variablelist"><table border="0" class="variablelist"> 188<colgroup> 189<col align="left" valign="top"> 190<col> 191</colgroup> 192<tbody> 193<tr> 194<td><p><span class="term">name</span></p></td> 195<td>sink</td> 196</tr> 197<tr> 198<td><p><span class="term">direction</span></p></td> 199<td>sink</td> 200</tr> 201<tr> 202<td><p><span class="term">presence</span></p></td> 203<td>always</td> 204</tr> 205<tr> 206<td><p><span class="term">details</span></p></td> 207<td>audio/x-raw, format=(string)S32LE, layout=(string)interleaved, channels=(int)[ 1, 8 ], rate=(int)[ 6000, 192000 ]</td> 208</tr> 209</tbody> 210</table></div> 211<div class="variablelist"><table border="0" class="variablelist"> 212<colgroup> 213<col align="left" valign="top"> 214<col> 215</colgroup> 216<tbody> 217<tr> 218<td><p><span class="term">name</span></p></td> 219<td>src</td> 220</tr> 221<tr> 222<td><p><span class="term">direction</span></p></td> 223<td>source</td> 224</tr> 225<tr> 226<td><p><span class="term">presence</span></p></td> 227<td>always</td> 228</tr> 229<tr> 230<td><p><span class="term">details</span></p></td> 231<td>audio/x-wavpack, depth=(int)[ 1, 32 ], channels=(int)[ 1, 8 ], rate=(int)[ 6000, 192000 ], framed=(boolean)true</td> 232</tr> 233</tbody> 234</table></div> 235<div class="variablelist"><table border="0" class="variablelist"> 236<colgroup> 237<col align="left" valign="top"> 238<col> 239</colgroup> 240<tbody> 241<tr> 242<td><p><span class="term">name</span></p></td> 243<td>wvcsrc</td> 244</tr> 245<tr> 246<td><p><span class="term">direction</span></p></td> 247<td>source</td> 248</tr> 249<tr> 250<td><p><span class="term">presence</span></p></td> 251<td>sometimes</td> 252</tr> 253<tr> 254<td><p><span class="term">details</span></p></td> 255<td>audio/x-wavpack-correction, framed=(boolean)true</td> 256</tr> 257</tbody> 258</table></div> 259</div> 260</div> 261</div> 262<div class="refsect1"> 263<a name="gst-plugins-good-plugins-wavpackenc.functions_details"></a><h2>Functions</h2> 264<p></p> 265</div> 266<div class="refsect1"> 267<a name="gst-plugins-good-plugins-wavpackenc.other_details"></a><h2>Types and Values</h2> 268<div class="refsect2"> 269<a name="GstWavpackEnc-struct"></a><h3>struct GstWavpackEnc</h3> 270<pre class="programlisting">struct GstWavpackEnc;</pre> 271</div> 272</div> 273<div class="refsect1"> 274<a name="gst-plugins-good-plugins-wavpackenc.property-details"></a><h2>Property Details</h2> 275<div class="refsect2"> 276<a name="GstWavpackEnc--bitrate"></a><h3>The <code class="literal">“bitrate”</code> property</h3> 277<pre class="programlisting"> “bitrate” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre> 278<p>Try to encode with this average bitrate (bits/sec). This enables lossy encoding, values smaller than 24000 disable it again.</p> 279<p>Flags: Read / Write</p> 280<p>Allowed values: <= 9600000</p> 281<p>Default value: 0</p> 282</div> 283<hr> 284<div class="refsect2"> 285<a name="GstWavpackEnc--bits-per-sample"></a><h3>The <code class="literal">“bits-per-sample”</code> property</h3> 286<pre class="programlisting"> “bits-per-sample” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></pre> 287<p>Try to encode with this amount of bits per sample. This enables lossy encoding, values smaller than 2.0 disable it again.</p> 288<p>Flags: Read / Write</p> 289<p>Allowed values: [0,24]</p> 290<p>Default value: 0</p> 291</div> 292<hr> 293<div class="refsect2"> 294<a name="GstWavpackEnc--correction-mode"></a><h3>The <code class="literal">“correction-mode”</code> property</h3> 295<pre class="programlisting"> “correction-mode” <span class="type">GstWavpackEncCorrectionMode</span></pre> 296<p>Use this mode for the correction stream. Only works in lossy mode!.</p> 297<p>Flags: Read / Write</p> 298<p>Default value: Create no correction file</p> 299</div> 300<hr> 301<div class="refsect2"> 302<a name="GstWavpackEnc--extra-processing"></a><h3>The <code class="literal">“extra-processing”</code> property</h3> 303<pre class="programlisting"> “extra-processing” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre> 304<p>Use better but slower filters for better compression/quality.</p> 305<p>Flags: Read / Write</p> 306<p>Allowed values: <= 6</p> 307<p>Default value: 0</p> 308</div> 309<hr> 310<div class="refsect2"> 311<a name="GstWavpackEnc--joint-stereo-mode"></a><h3>The <code class="literal">“joint-stereo-mode”</code> property</h3> 312<pre class="programlisting"> “joint-stereo-mode” <span class="type">GstWavpackEncJSMode</span></pre> 313<p>Use this joint-stereo mode.</p> 314<p>Flags: Read / Write</p> 315<p>Default value: auto</p> 316</div> 317<hr> 318<div class="refsect2"> 319<a name="GstWavpackEnc--md5"></a><h3>The <code class="literal">“md5”</code> property</h3> 320<pre class="programlisting"> “md5” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> 321<p>Store MD5 hash of raw samples within the file.</p> 322<p>Flags: Read / Write</p> 323<p>Default value: FALSE</p> 324</div> 325<hr> 326<div class="refsect2"> 327<a name="GstWavpackEnc--mode"></a><h3>The <code class="literal">“mode”</code> property</h3> 328<pre class="programlisting"> “mode” <span class="type">GstWavpackEncMode</span></pre> 329<p>Speed versus compression tradeoff.</p> 330<p>Flags: Read / Write</p> 331<p>Default value: Normal Compression</p> 332</div> 333</div> 334</div> 335<div class="footer"> 336<hr>Generated by GTK-Doc V1.28</div> 337</body> 338</html>
