Release Notes - 0.21

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Revision as of 20:38, 30 September 2006 by Kkuphal (talk | contribs) (Updated through 11355)

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These are the changes in the current development version of MythTV from the 0.20 release. Currently these features are slated for the 0.21 release. Some of these changes, most notably the fixes, will likely appear in a 0.20.1 release.

As always, these features are available in the Subversion system but be prepared if you plan to run this version and subscribe to the -dev and -commit mailing lists to keep up to date on development.

Updated through revision 11355

Major changes

  • Added Watch List feature to Watch Recordings listing programs most useful to watch in order to catch up on series and shows you have fallen behind in watching.
  • Added support for QAM recording using HDHomeRun device. Requires firmware 21-09-2006 or newer.


New Features

  • Added Watch List feature to Watch Recordings listing programs most useful to watch in order to catch up on series and shows you have fallen behind in watching.
  • Added support for QAM recording using HDHomeRun device. Requires firmware 21-09-2006 or newer.
  • Added new 'watched' flag for recordings which can be set manually or automatically and optinally increase auto expiration priority for watched shows. Includes a new 'watched' icon in the frontend and in MythWeb.
  • Attempt to re-record programs that are not recorded because of a channel change failure
  • Better caching of recording data on frontend for faster performance
  • Added short commands for telnet control of the frontend
  • Added option for non-default MySQL port configuration using the DBPort option in the mysql.txt
  • Use tv_find_grabbers to find XMLTV grabbers to use. Requires XMLTV version 0.5.43 or higher.
  • Updated --nosched command-line option to the backend to prevent only new recordings from firing off. It does not prevent the scheduler from running which allows for better debugging. Recordings not recorded during this time are marked as rsOffLine.
  • Added Last Recorded and Next Recording to Program Details screen
  • Pressing '7' on the Recording Priorities screen allows sorting by last_record field
  • Power on a firewire connected recorder if it is off when interacting with it
  • Added '-v most' verbose option to show most debugging messages without showing excesssively verbose options like database
  • Added options for debugging events on the master backend
  • Added CHANGERECGROUP keyboard binding in Watch Recordings to bring up the Select Group Filter box. No key is bound by default.
  • The 'Delete Follows Symlinks' feature now follows relative symlinks
  • Added Echostar and Nimiq tv service type descriptors for digital recordings
  • Program Finder entries are now highlighted like the Watch Recordings screen


  • Fixed programinfo passing between master and slave backend. This required a protocol change to version 31.
  • Prevent the OSD from always being drawn, even when not in use
  • Fixed V4L2 API compatibility with IVTV 0.8
  • Separated font sizing from display DPI
  • Fixed updating of the last_record field
  • Fixed bug in cutlist conversion
  • Fixed bug where Playback screen would be missing the recorded ID for a show
  • Reduced firewire packet buffer from 8000 to 2000
  • Verify that a firewire node is a STB
  • Fixed 8PSK modulation tuning
  • Added EIT fixup for MultiChoice Africa
  • Fixed problem causing duplicate rows for manually scheduled programs to appear in Watch Recording list
  • Fixed problem where backend might fail deleting a file due to filename being changed by transcoding
  • Fixed problem with non-GUI programs initalizing OSD
  • Added date to UPnP resonse header
  • Fixed issue with aborted data over UPnP
  • Fixed truncating delete code by grabbing filesize prior to unlinking
  • Improved sending of committed DiSEqC messages
  • Disabled automatic portion of WrapTimecode which was causing problems
  • Fixed TS packet handling when discontinuity detected
  • Fixed South African VHF frequencies
  • Fixed SW42 and SW64 support for pre-DiSEqC
  • Fixed defaulting of channel source when adding a new channel in the channel editor
  • Fixed favorite channel and direct channel entering in browse mode


  • Added MediaMonitor support
  • Improved audio timestamp calculations



  • Added support for threading processes if system reports more than one processor available
  • Added options for setting DVD date and time formats
  • Fixed problem where mytharchivehelper was returning the wrong aspect ratio for .nuv files
  • Fixed bug where save directory was not being passed properly
  • Fixed bug where all recording fields were not requested from the database
  • Prevent installation of plugin if all archiving options are disabled
  • Fixed problems with filenames containing apostrophes
  • Look for music and images in shared folders after default locations




  • Fixed choppy playback on some DVD main titles
  • Fixed segfault when external player exits
  • Fixed problem with missing menu buttons on some DVD titles
  • Fixed enabling of subtitles from main DVD menu








  • Improved handling of no year titles
  • Fixed segfault when external player exits



  • Completed mp3act integration with music module
  • Fixed passing null values when scheduling recordings
  • Fixed myth:// URLs
  • Improved file streaming using sys calls
  • Fixed links for manually overridden video URLs
  • Fixed music module detection
  • Allow negative recording priorities to be set
  • Fixed login for users who use both mobile and PC logins

Support libraries

Utility Applications

  • Fixed --quick-run


  • Stop transcoding when total frames is reached to prevent stray frames
  • Fixed some audio sync issues
  • Fixed not reinitializing stream properties when changing streams


  • Add another check criteria that will force mythfilldatabase to download data for a particular day. If the number of channels with at least one program between 6pm and midnight is less than 90% of the count for the previous day, a data refresh will be initiated.


  • Added -R option to reset firewire bus