docs/plugins/html/gst-plugins-good-plugins-webmmux.html

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  20 <th width="100%" align="center">GStreamer Good Plugins 0.10 Plugins Reference Manual</th>
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  24 <a href="#gst-plugins-good-plugins-webmmux.synopsis" class="shortcut">Top</a>
  25                    |
  26                   <a href="#gst-plugins-good-plugins-webmmux.description" class="shortcut">Description</a>
  27                    |
  28                   <a href="#gst-plugins-good-plugins-webmmux.object-hierarchy" class="shortcut">Object Hierarchy</a>
  29                    |
  30                   <a href="#gst-plugins-good-plugins-webmmux.implemented-interfaces" class="shortcut">Implemented Interfaces</a>
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  33 <div class="refentry">
  34 <a name="gst-plugins-good-plugins-webmmux"></a><div class="titlepage"></div>
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  37 <h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-webmmux.top_of_page"></a>webmmux</span></h2>
  38 <p>webmmux — Muxes video and audio streams into a WebM stream</p>
  39 </td>
  40 <td valign="top" align="right"></td>
  41 </tr></table></div>
  42 <div class="refsynopsisdiv">
  43 <a name="gst-plugins-good-plugins-webmmux.synopsis"></a><h2>Synopsis</h2>
  44 <a name="GstWebMMux"></a><pre class="synopsis">struct              <a class="link" href="gst-plugins-good-plugins-webmmux.html#GstWebMMux-struct" title="struct GstWebMMux">GstWebMMux</a>;
  45 </pre>
  46 </div>
  47 <div class="refsect1">
  48 <a name="gst-plugins-good-plugins-webmmux.object-hierarchy"></a><h2>Object Hierarchy</h2>
  49 <pre class="synopsis">
  50   <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
  51    +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a>
  52          +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a>
  53                +----<a class="link" href="gst-plugins-good-plugins-matroskamux.html#GstMatroskaMux">GstMatroskaMux</a>
  54                      +----GstWebMMux
  55 </pre>
  56 </div>
  57 <div class="refsect1">
  58 <a name="gst-plugins-good-plugins-webmmux.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
  59 <p>
  60 GstWebMMux implements
  61  <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstTagSetter.html">GstTagSetter</a>.</p>
  62 </div>
  63 <div class="refsect1">
  64 <a name="gst-plugins-good-plugins-webmmux.description"></a><h2>Description</h2>
  65 <p>
  66 webmmux muxes VP8 video and Vorbis audio streams into a WebM file.
  67 </p>
  68 <p>
  69 </p>
  70 <div class="refsect2">
  71 <a name="idp20527888"></a><h3>Example launch line</h3>
  72 <div class="informalexample">
  73   <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
  74     <tbody>
  75       <tr>
  76         <td class="listing_lines" align="right"><pre>1
  77 2
  78 3
  79 4</pre></td>
  80         <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">0.10</span> webmmux name<span class="gtkdoc opt">=</span>mux <span class="gtkdoc opt">!</span> filesink location<span class="gtkdoc opt">=</span>newfile<span class="gtkdoc opt">.</span>webm         \
  81   uridecodebin uri<span class="gtkdoc opt">=</span>file<span class="gtkdoc opt">:</span><span class="gtkdoc slc">///path/to/somefile.ogv name=demux                \</span>
  82   demux<span class="gtkdoc opt">. !</span> ffmpegcolorspace <span class="gtkdoc opt">!</span> vp8enc <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> mux<span class="gtkdoc opt">.</span>video_0    \
  83   demux<span class="gtkdoc opt">. !</span> progressreport <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> audiorate <span class="gtkdoc opt">!</span> vorbisenc <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> mux<span class="gtkdoc opt">.</span>audio_0</pre></td>
  84       </tr>
  85     </tbody>
  86   </table>
  87 </div>
  88  This pipeline re-encodes a video file of any format into a WebM file.
  89 <div class="informalexample">
  90   <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
  91     <tbody>
  92       <tr>
  93         <td class="listing_lines" align="right"><pre>1
  94 2
  95 3</pre></td>
  96         <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">0.10</span> webmmux name<span class="gtkdoc opt">=</span>mux <span class="gtkdoc opt">!</span> filesink location<span class="gtkdoc opt">=</span>test<span class="gtkdoc opt">.</span>webm            \
  97   videotestsrc num<span class="gtkdoc opt">-</span>buffers<span class="gtkdoc opt">=</span><span class="number">250</span> <span class="gtkdoc opt">!</span> video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">-</span>yuv<span class="gtkdoc opt">,</span>framerate<span class="gtkdoc opt">=</span><span class="number">25</span><span class="gtkdoc opt">/</span><span class="number">1</span> <span class="gtkdoc opt">!</span> ffmpegcolorspace <span class="gtkdoc opt">!</span> vp8enc <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> mux<span class="gtkdoc opt">.</span>video_0 \
  98   audiotestsrc samplesperbuffer<span class="gtkdoc opt">=</span><span class="number">44100</span> num<span class="gtkdoc opt">-</span>buffers<span class="gtkdoc opt">=</span><span class="number">10</span> <span class="gtkdoc opt">!</span> audio<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">-</span><span class="gtkdoc kwb">float</span><span class="gtkdoc opt">,</span>rate<span class="gtkdoc opt">=</span><span class="number">44100</span> <span class="gtkdoc opt">!</span> vorbisenc <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> mux<span class="gtkdoc opt">.</span>audio_0</pre></td>
  99       </tr>
 100     </tbody>
 101   </table>
 102 </div>
 103  This pipeline muxes a test video and a sine wave into a WebM file.
 104 </div>
 105 <p>
 106 </p>
 107 <div class="refsynopsisdiv">
 108 <h2>Synopsis</h2>
 109 <div class="refsect2">
 110 <a name="idp24811232"></a><h3>Element Information</h3>
 111 <div class="variablelist"><table border="0">
 112 <col align="left" valign="top">
 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-matroska.html#plugin-matroska">matroska</a>
 118           </td>
 119 </tr>
 120 <tr>
 121 <td><p><span class="term">author</span></p></td>
 122 <td>GStreamer maintainers &lt;gstreamer-devel@lists.sourceforge.net&gt;</td>
 123 </tr>
 124 <tr>
 125 <td><p><span class="term">class</span></p></td>
 126 <td>Codec/Muxer</td>
 127 </tr>
 128 </tbody>
 129 </table></div>
 130 </div>
 131 <hr>
 132 <div class="refsect2">
 133 <a name="idp22737168"></a><h3>Element Pads</h3>
 134 <div class="variablelist"><table border="0">
 135 <col align="left" valign="top">
 136 <tbody>
 137 <tr>
 138 <td><p><span class="term">name</span></p></td>
 139 <td>audio_%d</td>
 140 </tr>
 141 <tr>
 142 <td><p><span class="term">direction</span></p></td>
 143 <td>sink</td>
 144 </tr>
 145 <tr>
 146 <td><p><span class="term">presence</span></p></td>
 147 <td>request</td>
 148 </tr>
 149 <tr>
 150 <td><p><span class="term">details</span></p></td>
 151 <td>audio/x-vorbis, channels=(int)[ 1, 2147483647 ], rate=(int)[ 1, 2147483647 ]</td>
 152 </tr>
 153 </tbody>
 154 </table></div>
 155 <div class="variablelist"><table border="0">
 156 <col align="left" valign="top">
 157 <tbody>
 158 <tr>
 159 <td><p><span class="term">name</span></p></td>
 160 <td>video_%d</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>request</td>
 169 </tr>
 170 <tr>
 171 <td><p><span class="term">details</span></p></td>
 172 <td>video/x-vp8, width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 173 </tr>
 174 </tbody>
 175 </table></div>
 176 <div class="variablelist"><table border="0">
 177 <col align="left" valign="top">
 178 <tbody>
 179 <tr>
 180 <td><p><span class="term">name</span></p></td>
 181 <td>src</td>
 182 </tr>
 183 <tr>
 184 <td><p><span class="term">direction</span></p></td>
 185 <td>source</td>
 186 </tr>
 187 <tr>
 188 <td><p><span class="term">presence</span></p></td>
 189 <td>always</td>
 190 </tr>
 191 <tr>
 192 <td><p><span class="term">details</span></p></td>
 193 <td>video/webm</td>
 194 </tr>
 195 </tbody>
 196 </table></div>
 197 </div>
 198 </div>
 199 <p>
 200 </p>
 201 </div>
 202 <div class="refsect1">
 203 <a name="gst-plugins-good-plugins-webmmux.details"></a><h2>Details</h2>
 204 <div class="refsect2">
 205 <a name="GstWebMMux-struct"></a><h3>struct GstWebMMux</h3>
 206 <pre class="programlisting">struct GstWebMMux;</pre>
 207 <p>
 208 </p>
 209 </div>
 210 </div>
 211 </div>
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