Release Notes - 0.20.1

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MythTV 0.20.1 Release

The following fixes have been applied to the release-0-20-fixes branch, formally released as MythTV 0.20.1 on Saturday, April 28, 2007.

These are changes since the 0.20 release.

Updated through revision 13330

MythTV 0.20.1 Release

Major changes

  • Fixed programinfo passing between master and slave backend. This required a protocol change to version 31.

New features

  • Attempt to re-record programs that are not recorded because of a channel change failure
  • Added Echostar and Nimiq tv service type descriptors for digital recordings
  • Allow configuration of diseq repeat count
  • Added support for QAM recording using HDHomeRun device. Requires firmware 21-09-2006 or newer.
  • Added --no-upnp option to mythbackend to work around situations where UPnP support consumes 100% CPU
  • Added tuning of raw MPEG channels in HDHRRecorder


  • Fixed commercial skip to ignore skips that take you to the end of the file (#3275)
  • Fixed problem with available disk space calculations
  • Fixed atsc channel scanning (#3301)
  • Fixed segfault in mythtv-setup (#2735)
  • Fixed diseqc polarity and repeat settings (#2226)
  • Fixed maxepisode counter
  • Fixed assorted keybinding
  • Work-around for ATI fglrx crash bug (#2302)
  • Fix unnecessarily high cpu usage with xvmc playback
  • Fixed issues with some dvb adapters with a limited number of pid filters (#1970)
  • QAM fixes for the HDHomeRun
  • Fixed problem with backend wakeup not properly respecting early/late recording start times (#2883)
  • Fixed cpu temperature monitoring code so it doesn't crash the backend anymore (#2895)
  • Fixed segfault while editing a recording (#2746)
  • Misc transcoder fixes (#2420)
  • Misc EIT fixups
  • Fixed programinfo passing between master and slave backend. This required a protocol change to version 31.
  • Fixed V4L2 API compatibility with IVTV 0.8
  • Fixed updating of the last_record field
  • Fixed bug in cutlist conversion
  • Reduced firewire packet buffer from 8000 to 2000
  • Fixed 8PSK modulation tuning
  • 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
  • Fixed issue with aborted data over UPnP
  • Fixed truncating delete code by grabbing filesize prior to unlinking
  • Improved sending of committed diseq messages
  • Fixed favorite channel and direct channel entering in browse mode
  • Fixed deleting a video source which did not delete its associated channels
  • Fixed SW42 and SW64 support for pre-DiSEqC
  • Fixed the recordedprogram, recordedrating, and recordedcredits tables cleanup and move the cleanup into the housekeeper instead of mythfilldatabase
  • Fixed deletion of orphaned channels
  • Fixed playback by selecting the first video stream found in the PMT. This allows allows the people with weird broadcasts to function, without inhibiting the functionality of Interactve TV (MHEG)
  • Fixed problems with the "Auto" time-offset in ATSC EIT



  • Fixed problem with some dvd export profiles (#3314)
  • Fixed date/time offset bug (#2651)
  • Converted all intros and menu music tracks to AC3 audio
  • Fixed bug where save directory was not being passed properly
  • Fixed problem where mytharchivehelper was returning the wrong aspect ratio for .nuv files
  • Fixed problems with filenames containing apostrophes
  • Fixed a mixup when retrieving the chanid and starttime from the DB
  • Fixed problem with No Menu theme when trying to add movies




  • Fixed playback issue with DVDs featuring full-resolution subtitles (#2800)
  • Fixed issues with eject button when media monitor is disabled (#2462)
  • 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





  • Fixed segfault when multiple types of encoded audio files are in a playlist (#2557)
  • Added support for flac 1.1.3+ api changes (#2957)
  • Fixed SQL error when adding by genre to playlist



  • Fix two translation issues with the call popup dial or answer dialog


  • Fixed metadata search problem when no country and/or genre exists for movie
  • Fixed imdb scraping (#3118)
  • Fixed segfault when external player exits



  • Fixed passing null values when scheduling recordings
  • Fixed myth:// URLs
  • Fixed links for manually overridden video URLs
  • Fixed music module detection
  • Improved file streaming using sys calls
  • Allow negative recording priorities to be set
  • Fixed category display
  • Apply sanity check for the date range popup menu, for those people who occasionally get wacky data from DVB EIT data

Support libraries

Utility applications

  • Don't divide the file size by 1 megabyte twice


  • Fixed segfault by taking the first video stream (rather than the last) when multiple video streams are present


  • Fixed crashes with hybrid tuner cards