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| <a href="#gst-plugins-bad-plugins-nuvdemux.synopsis" class="shortcut">Top</a> |
| | |
| <a href="#gst-plugins-bad-plugins-nuvdemux.description" class="shortcut">Description</a> |
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| <div class="refentry"> |
| <a name="gst-plugins-bad-plugins-nuvdemux"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-nuvdemux.top_of_page"></a>nuvdemux</span></h2> |
| <p>nuvdemux — Demultiplex a MythTV NuppleVideo .nuv file into audio and video</p> |
| </td> |
| <td valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsynopsisdiv"> |
| <a name="gst-plugins-bad-plugins-nuvdemux.synopsis"></a><h2>Synopsis</h2> |
| <pre class="synopsis"> <a class="link" href="gst-plugins-bad-plugins-nuvdemux.html#GstNuvDemux" title="GstNuvDemux">GstNuvDemux</a>; |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-plugins-nuvdemux.description"></a><h2>Description</h2> |
| <p> |
| Demuxes MythTVs NuppelVideo .nuv file into raw or compressed audio and/or |
| video streams. |
| </p> |
| <p> |
| This element currently only supports pull-based scheduling. |
| </p> |
| <p> |
| </p> |
| <div class="refsect2"> |
| <a name="idp14203808"></a><h3>Example launch line</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 filesrc test<span class="gtkdoc opt">.</span>nuv <span class="gtkdoc opt">!</span> nuvdemux name<span class="gtkdoc opt">=</span>demux demux<span class="gtkdoc opt">.</span>audio_00 <span class="gtkdoc opt">!</span> decodebin <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> audioresample <span class="gtkdoc opt">!</span> autoaudiosink demux<span class="gtkdoc opt">.</span>video_00 <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> decodebin <span class="gtkdoc opt">!</span> ffmpegcolorspace <span class="gtkdoc opt">!</span> videoscale <span class="gtkdoc opt">!</span> autovideosink</pre></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| Play (parse and decode) an .nuv file and try to output it to |
| an automatically detected soundcard and videosink. If the NUV file contains |
| compressed audio or video data, this will only work if you have the |
| right decoder elements/plugins installed. |
| </div> |
| <p> |
| </p> |
| <div class="refsynopsisdiv"> |
| <h2>Synopsis</h2> |
| <div class="refsect2"> |
| <a name="idp13570480"></a><h3>Element Information</h3> |
| <div class="variablelist"><table border="0"> |
| <col align="left" valign="top"> |
| <tbody> |
| <tr> |
| <td><p><span class="term">plugin</span></p></td> |
| <td> |
| <a class="link" href="gst-plugins-bad-plugins-plugin-nuvdemux.html#plugin-nuvdemux">nuvdemux</a> |
| </td> |
| </tr> |
| <tr> |
| <td><p><span class="term">author</span></p></td> |
| <td>Renato Araujo Oliveira Filho <renato.filho@indt.org.br>,Rosfran Borges <rosfran.borges@indt.org.br></td> |
| </tr> |
| <tr> |
| <td><p><span class="term">class</span></p></td> |
| <td>Codec/Demuxer</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="idp13908848"></a><h3>Element Pads</h3> |
| <div class="variablelist"><table border="0"> |
| <col align="left" valign="top"> |
| <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>video/x-nuv</td> |
| </tr> |
| </tbody> |
| </table></div> |
| <div class="variablelist"><table border="0"> |
| <col align="left" valign="top"> |
| <tbody> |
| <tr> |
| <td><p><span class="term">name</span></p></td> |
| <td>audio_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>sometimes</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">details</span></p></td> |
| <td>ANY</td> |
| </tr> |
| </tbody> |
| </table></div> |
| <div class="variablelist"><table border="0"> |
| <col align="left" valign="top"> |
| <tbody> |
| <tr> |
| <td><p><span class="term">name</span></p></td> |
| <td>video_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>sometimes</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">details</span></p></td> |
| <td>ANY</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <p> |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-plugins-nuvdemux.details"></a><h2>Details</h2> |
| <div class="refsect2"> |
| <a name="GstNuvDemux"></a><h3>GstNuvDemux</h3> |
| <pre class="programlisting">typedef struct { |
| GstElement parent; |
| |
| guint mode; |
| GstAdapter *adapter; |
| guint64 video_offset; |
| guint64 audio_offset; |
| |
| /* pads */ |
| GstPad *sinkpad; |
| GstPad *src_video_pad; |
| GstPad *src_audio_pad; |
| gboolean first_video; |
| gboolean first_audio; |
| |
| /* NUV decoding state */ |
| GstNuvDemuxState state; |
| guint64 offset; |
| |
| /* Mpeg ExtraData */ |
| guint64 mpeg_data_size; |
| GstBuffer *mpeg_buffer; |
| |
| nuv_header *h; |
| nuv_extended_header *eh; |
| nuv_frame_header *fh; |
| } GstNuvDemux; |
| </pre> |
| <p> |
| </p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-plugins-nuvdemux.see-also"></a><h2>See Also</h2> |
| mythtvsrc |
| </div> |
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