[vdr] [ANNOUNCE] VDR developer version 1.7.20

Klaus Schmidinger Klaus.Schmidinger at tvdr.de
Tue Aug 16 18:57:26 CEST 2011

VDR developer version 1.7.20 is now available at


A 'diff' against the previous version is available at


MD5 checksums:

eda2911fff1715ba5b1482b20ad18188  vdr-1.7.20.tar.bz2
a8f5bcaf3294cc9fce87283a618d5ce1  vdr-1.7.19-1.7.20.diff


This is a *developer* version. Even though *I* use it in my productive
environment. I strongly recommend that you only use it under controlled
conditions and for testing and debugging.

This version contains functions to determine the "signal strength"
and "signal quality" through cDevice. If you are using a DVB card that
contains an stb0899 frontend chip (like the TT-budget S2-3200) you may
want to apply the patches from


to the LinuxDVB driver source in order to receive useful results from
that frontend.

The changes since version 1.7.19:

- Added some missing 'const' to tChannelID (reported by Sundararaj Reel).
- The isnumber() function now checks the given pointer for NULL (thanks to Holger
- Now checking Setup.InitialChannel for NULL before using it (reported by
   Christoph Haubrich).
- cSkins::Message() now blocks calls from background threads (thanks to Michael
   Eiler for reporting a crash in such a scenario).
- Fixed the return value of the svdrpsend.pl script in case of an error (thanks to
   Jonas Diemer).
- Increased MAXCAIDS to 12 (thanks to Jerome Lacarriere).
- Fixed handling DiSEqC codes (thanks to Mark Hawes for reporting the bug, and
   Udo Richter for suggesting the fix).
- Added a mechanism to defer timer handling in case of problems (reported by
   Frank Niederwipper).
- Fixed distortions that happened when splitting recording into several files
   (was a side effect of "Fixed detecting frames in case the Picture Start Code or
   Access Unit Delimiter extends over TS packet boundaries" in version 1.7.19).
   cRecorder::Action() now buffers TS packets in case the frame type is
   not yet known when a new payload starts. This adds no overhead for channels
   that broadcast the frame type within the first TS packet of a payload; it only
   kicks in if that information is not in the first TS packet.
- Fixed handling the channelID in cMenuEditChanItem (thanks to Udo Richter).
- cStringList::Sort() can now be called with a boolean parameter that controls
   case insensitive sorting (suggested by Sundararaj Reel).
- Now scanning new transponders before old ones, to make sure transponder changes
   are recognized (thanks to Reinhard Nissl).
- Implemented static cIndexFile::IndexFileName().
- The length (as number of frames) of a recording's index file can now be determined
   by a call to cIndexFile::GetLength() (suggested by Christoph Haubrich).
- Fixed some crashes in subtitle display (thanks to Rolf Ahrenberg).
- Made DELETENULL() thread safe (reported by Rolf Ahrenberg).
- The pic2mpg script of the 'pictures' plugin now generates HD images (thanks to
   Andre Weidemann for his support in using convert/ffmpeg). The old SD version is
   still available as pic2mpg-sd.
- Added a mutex to protect cOsd::Osds from simultaneous access from different threads
   (reported by Rolf Ahrenberg).
- The cutter now sets the 'broken link' flag for MPEG2 TS recordings (thanks to
   Oliver Endriss).
- Fixed language code entry for Portuguese.
- The new command line options --filesize (suggested by Marco Göbenich) and --split
   can be used together with --edit to set the maximum video file size and turn on
   splitting edited files at the editing marks. These options must be given before
   --edit to have an effect.
- cTimeMs is no longer initialized to the current time if the value given to the
   constructor is negative (avoids the "cTimeMs: using monotonic clock..." log message
   before VDR's starting log message).

Have fun!


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