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TODO » History » Revision 2

Revision 1 (Andreas Smas, 2009-06-01 20:20) → Revision 2/4 (Andreas Smas, 2009-06-01 20:20)

= Tvheadend TODO list = 

 === Add -l option (easy) === 

 Starting Tvheadend with the '-l' option should always allow access from localhost without any questions asked. 
 Useful for mediacenters. 

 === Add AVAHI support (medium) === 

 Autodiscovery of Tvheadend would be nice. This should obviously be implemented using [http://avahi.org Avahi]. 
 This should just announce Tvheadend as some kind of service. 


 === Rewrite the internal streaming pipeline (hard) === 

 The internal pipeline is a bit too inflexible at the moment. The rewrite needs to address these problems: 

 * Add a time-shifter. 

 * Remove cumbersome locking between nodes in the pipe. 

 * Prepare for adding live transcoders 

 This is how we want it to be: 

 {{{ 
  [Input source]-[Arbitration] -+-> [Transcoder X] -> [Timeshifter] -> ... 
                                | 
                                +-> [Transcoder Y] -> .... 
                                | 
                                +-------------------> [Timeshifter] -+-- Multiple 
                                                                     +-- subscribers 
                                                                     +-- (HTSP, RTSP, DVR, etc) 
 }}} 

 === Switch UI to ExtJS 3.0 (hard) === 

 Upgrade the user-interface to [http://extjs.com/blog/2009/05/04/ext-js-30-rc11-released/ ExtJS 3.0].  
 Features of particular interest would be: 

 * The [http://extjs.com/deploy/ext-3.0-rc1.1/examples/grid/row-editor.html Row editor] as a replacement for how the grids are edited today. I really like this one (/andoma) 

 * The Adobe Flash based [http://extjs.com/deploy/ext-3.0-rc1.1/examples/chart/charts.html Charting] for display real-time updates of stream bitrates, DVB adapter errors, etc. 

 * Ext.Direct for the Comet implementation. Probably more robust than the current code. 

 === Add wizards for some common tasks (hard) === 

 Initially we want to add some kind of setup-wizard for the DVB subsystem. It's a bit too complicated to use at the moment. 

 === Re-implement the RTSP interface (hard) === 

 RTSP was thrown out of the code when Tvheadend was rewritten to be fully multi-threaded. It would be nice to get this back. 

 === Realtime transcoding (hard) === 

 Adding realtime transcoding of video/audio to produce low bitrate output. 

 === Realtime video display in WebUI (hard/medium) === 

 Multiple options exist here. 

 a) Application embedding (of VLC or similar) that just connects to the RTSP server. 

 b) Flash Video playback. Requires transcoding to h264 and AAC and a flash streaming server. 

 c) Use the HTMLv5 <video> tag. Requires transcoding to theora and vorbis. Does this use OGG as multiplex?