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Diffstat (limited to 'dvb-spec/API/dvb_api.xml')
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width="131"><img height="13" +src="/images/arrow_sub_open.gif" width="13"> + <a href="/developer/dvb.xml"><font color="#000000" +face="helvetica" size="2">DVB</font></a></td><td bgcolor="#000000" +width="9"></td></tr><tr><td bgcolor="#000000" width="20"></td><td +width="19"> </td><td bgcolor="#000000" width="2"></td><td width="131"> + <img height="13" src="/images/space_sub.gif" width="13"><img +height="13" src="/images/kulleropen.gif" width="13"><a +href="/developer/dvb_api.xml"><font color="#000000" face="helvetica" size="2"> + API</font></a></td><td bgcolor="#000000" +width="9"></td></tr><tr><td bgcolor="#000000" width="20"></td><td +bgcolor="#ffcc00" width="19"> </td><td bgcolor="#000000" +width="2"></td><td width="131"><img height="13" +src="/images/arrow_sub.gif" width="13"> + <a href="/developer/dvd.xml"><font color="#000000" +face="helvetica" size="2">DVD</font></a></td><td bgcolor="#000000" +width="9"></td></tr><tr><td bgcolor="#000000" width="20"></td><td +bgcolor="#ffcc00" 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+size="2"><b>download</b></font></a></td><td bgcolor="#000000" +width="9"></td></tr><tr><td bgcolor="#000000" colspan="5" +height="2"></td></tr><tr><td bgcolor="#000000" valign="top" +width="20"><img height="22" src="/images/gleb.gif" width="20"></td><td +bgcolor="#ffcc00" width="19"><img height="22" +src="/images/arrow_main.gif" width="19"></td><td bgcolor="#000000" +width="2"></td><td bgcolor="#ffcc00" width="131"> + <a href="/contact.xml"><font color="#003d19" face="helvetica" +size="2"><b>contact</b></font></a></td><td bgcolor="#000000" +width="9"></td></tr><tr><td bgcolor="#000000" colspan="5" +height="2"></td></tr></table></td><td width="20"> + + </td><td valign="top" width="500"><font color="#ffcc00" face="arial, helvetica"><h2>Linux DVB API</h2></font> + + <p> + Part of the DVB API builds upon the + <a href="http://roadrunner.swansea.uk.linux.org/v4l.shtml">Video4Linux</a> + (V4L) API. + The Siemens DVB card uses the SAA7146 as PCI bridge. A <a href="http://www.mihu.de/">generic SAA7146 Linux driver</a> for this + chip implements the basic V4L interface. + </p> + + <p> + An older version of the API included the DVB specific calls + into the V4L interface. This turned out to be very cumbersome to + program. Since we also hoped to arrive at a common standard for all + Linux platforms, especially those in embedded consumer devices, we + were happy to find + <a href="http://www.nokia.com/multimedia">Nokia</a> + as a partner in this effort. + They will be using the same API in their upcoming + <a href="http://www.nokia.com/multimedia/mediaterminal.html"> + Media Terminal</a>. + </p> + + <p> + In the new version of the API only display and grabbing of the + already decompressed images is handled through the V4L device. + All other DVB features like tuning, filtering and playback/recording + of the compressed data stream are accessed through separate devices. + </p> + + <p> + <font face="arial, helvetica" size="+1">DVB devices</font> + + <p> + There are currently 5 DVB devices: Video, Audio, Frontend, SEC and Demux. + The APIs of those devices are described in the documents below. + They contain links to the include files and to detailed descriptions + of all commands (the latter are still under construction). + </p> + + <p> + <a href="dvb_api/video.xml">DVB Video API</a> + </p> + + <p> + <a href="dvb_api/audio.xml">DVB Audio API</a> + </p> + + <p> + <a href="dvb_api/frontend.xml">DVB Frontend API</a> + </p> + + <p> + <a href="dvb_api/sec.xml">DVB SEC API</a> + </p> + + <p> + <a href="dvb_api/demux.xml">DVB Demux API</a> + </p> + + </p> + + + <p> + <font face="arial, helvetica" size="+1">DVB Demux Kernel Module</font> + + <p> + The demux device accesses the actual demux hardware through a + demux kernel module. + This way other kernel modules (e.g. a generic DVB network device) + and not only the demux device can access the demux hardware. + </p> + + <p> + <a href="dvb_api/demux_mod.xml">DVB Demux Kernel Module API</a> + </p> + + </p> + + + <p> + First implementations of the API for the Siemens DVB card will be made + available in the download section during September 2000. + </p> + + </td></tr></table></body></html> + +<!-- This page was served in 1370 milliseconds by Cocoon 1.7.4 --> |