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>wavparse: 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-wavpackparse.html" title="wavpackparse"> 10<link rel="next" href="gst-plugins-good-plugins-webmmux.html" title="webmmux"> 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%" 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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-good-plugins-wavparse"></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-good-plugins-wavparse.top_of_page"></a>wavparse</span></h2> 32<p>wavparse</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-good-plugins-wavparse.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><tr> 45<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td> 46<td class="property_name"><a class="link" href="gst-plugins-good-plugins-wavparse.html#GstWavParse--ignore-length" title="The “ignore-length” property">ignore-length</a></td> 47<td class="property_flags">Read / Write</td> 48</tr></tbody> 49</table></div> 50</div> 51<a name="GstWavParse"></a><div class="refsect1"> 52<a name="gst-plugins-good-plugins-wavparse.other"></a><h2>Types and Values</h2> 53<div class="informaltable"><table class="informaltable" width="100%" border="0"> 54<colgroup> 55<col width="150px" class="name"> 56<col class="description"> 57</colgroup> 58<tbody><tr> 59<td class="datatype_keyword">struct</td> 60<td class="function_name"><a class="link" href="gst-plugins-good-plugins-wavparse.html#GstWavParse-struct" title="struct GstWavParse">GstWavParse</a></td> 61</tr></tbody> 62</table></div> 63</div> 64<div class="refsect1"> 65<a name="gst-plugins-good-plugins-wavparse.object-hierarchy"></a><h2>Object Hierarchy</h2> 66<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 67 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 68 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 69 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 70 <span class="lineart">╰──</span> GstWavParse 71</pre> 72</div> 73<div class="refsect1"> 74<a name="gst-plugins-good-plugins-wavparse.description"></a><h2>Description</h2> 75<p>Parse a .wav file into raw or compressed audio.</p> 76<p>Wavparse supports both push and pull mode operations, making it possible to 77stream from a network source.</p> 78<div class="refsect2"> 79<a name="id-1.2.281.7.4"></a><h3>Example launch line</h3> 80<div class="informalexample"> 81 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 82 <tbody> 83 <tr> 84 <td class="listing_lines" align="right"><pre>1</pre></td> 85 <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> filesrc location<span class="gtkdoc opt">=</span>sine<span class="gtkdoc opt">.</span>wav <span class="gtkdoc opt">!</span> wavparse <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> alsasink</pre></td> 86 </tr> 87 </tbody> 88 </table> 89</div> 90 Read a wav file and output to the soundcard using the ALSA element. The 91wav file is assumed to contain raw uncompressed samples. 92<div class="informalexample"> 93 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 94 <tbody> 95 <tr> 96 <td class="listing_lines" align="right"><pre>1</pre></td> 97 <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> gnomevfssrc location<span class="gtkdoc opt">=</span>http<span class="gtkdoc opt">:</span><span class="gtkdoc slc">//www.example.org/sine.wav ! queue ! wavparse ! audioconvert ! alsasink</span></pre></td> 98 </tr> 99 </tbody> 100 </table> 101</div> 102 Stream data from a network url. 103</div> 104<div class="refsynopsisdiv"> 105<h2>Synopsis</h2> 106<div class="refsect2"> 107<a name="id-1.2.281.7.5.1"></a><h3>Element Information</h3> 108<div class="variablelist"><table border="0" class="variablelist"> 109<colgroup> 110<col align="left" valign="top"> 111<col> 112</colgroup> 113<tbody> 114<tr> 115<td><p><span class="term">plugin</span></p></td> 116<td> 117 <a class="link" href="gst-plugins-good-plugins-plugin-wavparse.html#plugin-wavparse">wavparse</a> 118 </td> 119</tr> 120<tr> 121<td><p><span class="term">author</span></p></td> 122<td>Erik Walthinsen <omega@cse.ogi.edu></td> 123</tr> 124<tr> 125<td><p><span class="term">class</span></p></td> 126<td>Codec/Demuxer/Audio</td> 127</tr> 128</tbody> 129</table></div> 130</div> 131<hr> 132<div class="refsect2"> 133<a name="id-1.2.281.7.5.2"></a><h3>Element Pads</h3> 134<div class="variablelist"><table border="0" class="variablelist"> 135<colgroup> 136<col align="left" valign="top"> 137<col> 138</colgroup> 139<tbody> 140<tr> 141<td><p><span class="term">name</span></p></td> 142<td>sink</td> 143</tr> 144<tr> 145<td><p><span class="term">direction</span></p></td> 146<td>sink</td> 147</tr> 148<tr> 149<td><p><span class="term">presence</span></p></td> 150<td>always</td> 151</tr> 152<tr> 153<td><p><span class="term">details</span></p></td> 154<td>audio/x-wav</td> 155</tr> 156<tr> 157<td><p><span class="term"></span></p></td> 158<td> audio/x-rf64</td> 159</tr> 160</tbody> 161</table></div> 162<div class="variablelist"><table border="0" class="variablelist"> 163<colgroup> 164<col align="left" valign="top"> 165<col> 166</colgroup> 167<tbody> 168<tr> 169<td><p><span class="term">name</span></p></td> 170<td>src</td> 171</tr> 172<tr> 173<td><p><span class="term">direction</span></p></td> 174<td>source</td> 175</tr> 176<tr> 177<td><p><span class="term">presence</span></p></td> 178<td>always</td> 179</tr> 180<tr> 181<td><p><span class="term">details</span></p></td> 182<td>audio/ms-gsm</td> 183</tr> 184<tr> 185<td><p><span class="term"></span></p></td> 186<td> audio/mpeg, mpegversion=(int)1, layer=(int)3</td> 187</tr> 188<tr> 189<td><p><span class="term"></span></p></td> 190<td> audio/mpeg, mpegversion=(int)1, layer=(int)2</td> 191</tr> 192<tr> 193<td><p><span class="term"></span></p></td> 194<td> audio/x-raw, format=(string){ S8, U8, S16LE, U16LE, S24LE, U24LE, S32LE, U32LE }, layout=(string)interleaved</td> 195</tr> 196<tr> 197<td><p><span class="term"></span></p></td> 198<td> audio/x-vorbis</td> 199</tr> 200<tr> 201<td><p><span class="term"></span></p></td> 202<td> audio/x-ac3</td> 203</tr> 204<tr> 205<td><p><span class="term"></span></p></td> 206<td> audio/x-dts</td> 207</tr> 208<tr> 209<td><p><span class="term"></span></p></td> 210<td> audio/mpeg, mpegversion=(int)4</td> 211</tr> 212<tr> 213<td><p><span class="term"></span></p></td> 214<td> audio/x-alaw</td> 215</tr> 216<tr> 217<td><p><span class="term"></span></p></td> 218<td> audio/x-mulaw</td> 219</tr> 220<tr> 221<td><p><span class="term"></span></p></td> 222<td> audio/x-wms, bitrate=(int)[ 0, 2147483647 ], block_align=(int)[ 1, 2147483647 ]</td> 223</tr> 224<tr> 225<td><p><span class="term"></span></p></td> 226<td> audio/x-adpcm, layout=(string)microsoft, block_align=(int)[ 1, 2147483647 ]</td> 227</tr> 228<tr> 229<td><p><span class="term"></span></p></td> 230<td> audio/x-adpcm, layout=(string)dvi, block_align=(int)[ 1, 2147483647 ]</td> 231</tr> 232<tr> 233<td><p><span class="term"></span></p></td> 234<td> audio/x-truespeech</td> 235</tr> 236<tr> 237<td><p><span class="term"></span></p></td> 238<td> audio/x-wma, wmaversion=(int)1, bitrate=(int)[ 0, 2147483647 ], block_align=(int)[ 1, 2147483647 ]</td> 239</tr> 240<tr> 241<td><p><span class="term"></span></p></td> 242<td> audio/x-wma, wmaversion=(int)2, bitrate=(int)[ 0, 2147483647 ], block_align=(int)[ 1, 2147483647 ]</td> 243</tr> 244<tr> 245<td><p><span class="term"></span></p></td> 246<td> audio/x-wma, wmaversion=(int)3, bitrate=(int)[ 0, 2147483647 ], block_align=(int)[ 1, 2147483647 ]</td> 247</tr> 248<tr> 249<td><p><span class="term"></span></p></td> 250<td> audio/x-vnd.sony.atrac3</td> 251</tr> 252<tr> 253<td><p><span class="term"></span></p></td> 254<td> audio/x-raw, format=(string){ F32LE, F64LE }, layout=(string)interleaved</td> 255</tr> 256<tr> 257<td><p><span class="term"></span></p></td> 258<td> audio/x-voxware, voxwaretype=(int)117</td> 259</tr> 260<tr> 261<td><p><span class="term"></span></p></td> 262<td> audio/x-adpcm, layout=(string)dk4</td> 263</tr> 264<tr> 265<td><p><span class="term"></span></p></td> 266<td> audio/x-adpcm, layout=(string)dk3</td> 267</tr> 268<tr> 269<td><p><span class="term"></span></p></td> 270<td> audio/x-adpcm, layout=(string)dvi</td> 271</tr> 272<tr> 273<td><p><span class="term"></span></p></td> 274<td> audio/AMR</td> 275</tr> 276<tr> 277<td><p><span class="term"></span></p></td> 278<td> audio/AMR-WB</td> 279</tr> 280<tr> 281<td><p><span class="term"></span></p></td> 282<td> audio/x-siren</td> 283</tr> 284<tr> 285<td><p><span class="term"></span></p></td> 286<td> application/x-ogg-avi</td> 287</tr> 288</tbody> 289</table></div> 290</div> 291</div> 292</div> 293<div class="refsect1"> 294<a name="gst-plugins-good-plugins-wavparse.functions_details"></a><h2>Functions</h2> 295<p></p> 296</div> 297<div class="refsect1"> 298<a name="gst-plugins-good-plugins-wavparse.other_details"></a><h2>Types and Values</h2> 299<div class="refsect2"> 300<a name="GstWavParse-struct"></a><h3>struct GstWavParse</h3> 301<pre class="programlisting">struct GstWavParse;</pre> 302<p>Opaque data structure.</p> 303</div> 304</div> 305<div class="refsect1"> 306<a name="gst-plugins-good-plugins-wavparse.property-details"></a><h2>Property Details</h2> 307<div class="refsect2"> 308<a name="GstWavParse--ignore-length"></a><h3>The <code class="literal">“ignore-length”</code> property</h3> 309<pre class="programlisting"> “ignore-length” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> 310<p>This selects whether the length found in a data chunk 311should be ignored. This may be useful for streamed audio 312where the length is unknown until the end of streaming, 313and various software/hardware just puts some random value 314in there and hopes it doesn't break too much.</p> 315<p>Flags: Read / Write</p> 316<p>Default value: FALSE</p> 317</div> 318</div> 319</div> 320<div class="footer"> 321<hr>Generated by GTK-Doc V1.28</div> 322</body> 323</html>
