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+VDR Plugin 'dxr3' Revision History
+----------------------------------
+
+2002-08-04: Version 0.0.1
+
+- Initial revision.
+
+2002-11-10: Version 0.1.0
+
+- Rewritten Audio/Video-sync engine
+- Changed OSD colors (but still limited to four colors)
+
+2002-11-12: Version 0.1.1
+
+- Changed Makefile (needed for vdr 1.1.15)
+- The plugin should now work smoother under heavy system load (e.g. network traffic)
+
+2002-12-23: Version 0.1.2
+- Compiles now with gcc3.2.
+- Fixed unsigned / signed bug in output thread (dxr3outputthread.c) which led
+to sporadic resync (still frame and jump of about 1s).
+- OSD is now as colorful as vdr with DVB-s
+- OSD rescaling for channels with a lower horizontal resolution
+
+2002-12-29: Version 0.1.3
+- SPU write is now protected with a mutex by using the Dxr3AbstractionDevice.
+- Fixed horizontal size detection.
+- Added usleep call during still picture to reduce cpu load.
+- Removed calls to WaitForSysClock in dxr3outputthread.c which led to problems
+during replay on some systems (Thanks to Atte Manninen for reporting this).
+- Did some minor changes to dxr3outputthread.c which hopefully will increase
+reliability.
+- Changed osd scale rule. Scaling now only happens if the horizontal size is
+smaller than 700.
+
+2003-01-05: Version 0.1.4
+- Small bugfix in dxr3demuxdevice.c
+
+2003-02-19: Version 0.1.5
+- Support for MP3 plugin.
+- Support for radio channels. Requested by Richard P. (???) who send me a
+  sample code ... thanks.
+- Some fixes to get along with corrupt pes data (which should actually be
+  solved in a lower layer). Thanks to Teemu Rantanen.
+- Changed sync buffer size during replay to reduce "jumps" in cutted streams.
+  Thanks to Atte Manninen for the idea.
+- Support for still frame handling. Now it is possible to move the editing
+  marks with visible corresponding i-frames. Unfortunately this doesn't seem to
+  work with finish dvb streams.
+- Some tuning to reduce cpu load during replay.
+
+2003-02-25: Version 0.1.6
+- Added black frames between channel switches (which solves the frozen picture 
+  'problem' when using the mp3-plugin, too).
+- Increased thread priority of output threads which improves live stream
+  quality on my system (K6II 350).
+
+2003-03-23: Version 0.1.7
+- Added unix domain server interface to close and reopen dxr3 devices without
+  stopping vdr (see dxr3_ux_client.pl script on how to use this).
+  Requested by Atte Manninen.
+  Thanks to Atte Manninen and Teemu Rantanen for testing and fixing some problems.
+- Added support for external player mode.
+- Some cosmetic changes.
+- Some changes to reduce cpu load.
+- Added workaround handling for osd crash (driver patch necessary; patch with
+  em8300_patch.diff).
+  Thanks to Teemu Rantanen and Malcolm Caldwell for testing this.
+- Added buffered output for mp3-plugin audio data. This seems to improve audio
+  quality significantly.
+- Reduced count of audio errors (wrong data rate).
+- Changed channel switch behavior (to remove audio disturbances => channel switching
+  is a little bit slower now).
+- Added exception handling for defect pes streams.
+- Added more checks by introducing a new pes parsing class.
+- Fixed buffer overrun problem. Because of the missing pll control a buffer overrun
+  happens after staying for a long time on the same channel. In older version
+  the output stopped after a buffer overrun. Now the buffer will be cleared and
+  the output will continue after about a second.
+- New buffer handling in PlayVideo.
+
+2003-03-23: Version 0.1.7a
+- Bugfix in A/V-engine for audio output with less dropouts
+
+2003-04-28: Version 0.1.8
+- Added support for dvd-plugin (subtitles doesn't work properly so far).
+- Added setup parameter to define the dxr3-card which shall be used  by vdr
+  (thanks to Tobias Haustein).
+- Added setup parameter to force letter box mode (for wrong aspect ratio coded
+  in pes-stream). This parameter is not saved.
+- Added support for video format setup parameter (no WSS support).
+- Fixed external player support (thanks to Seppo Ingalsuo).
+- Added volume support (thanks to Teemu Rantanen).
+- Fixed I-Frame display problem (cutting and fast forward/backwards in some streams).
+  Those who have problems with fast forward/backward might want to patch
+  vdr (use vdr_iframe_patch.diff / for vdr-1.1.29).
+- Reduced memory consumption.
+- Fixed problem with digital output setup parameter.
+- Fixed wrong bit error detection.
+- Changed bit error handling.
+
+2003-04-28: Version 0.1.8a
+- Second trial to fix external player support (thanks to Jarkko Santala)
+
+2003-05-07: Version 0.1.9
+- Added support for AC3 streams (based on classes of
+  the AC3overDVB Patch maintained by Stefan Huelswitt).
+- Added DXR3 main menu entry. It's now possible to:
+    - Reset DXR3-hardware.
+    - Toggle Force LetterBox.
+    - Switch to Digital Output.
+    - Switch to AC3 Output (when already listening to digital output).
+- Added short ac3 information text on channel switch.
+- Reduced analog audio disturbances.
+- Fixed audio initialization problem.
+
+2003-05-07: Version 0.2.0
+- Fixed compatibility problem with vdr version 1.1.31 and higher.
+- Fixed analog audio problem (spurious disturbances).
+- Added first cut mpeg1 support: It works quite good with vcd plugin. As far as I know
+  this doesn't work reliable together with analog plugin. Thanks to Gavin Hamill for
+  testing support and investigations with analog plugin.
+  No osd scaling for mpeg1 at the moment.
+- Changed channel switch behavior with respect to mpeg1 support (it doesn't seem
+  to be possible to switch between mpeg1 and mpeg2 without closing and reopening the
+  video device).
+- Improved lib sync.
+
+2003-08-10: Version 0.2.1
+- Added setup entry to switch between ntsc and pal. This setting becomes active
+  after restarting vdr and reseting the dxr3 card, respectively.
+- Fixed uninitialized variable m_audioMode in dxr3abstractiondevice.c. Thanks 
+  to Jon Burgess.
+- Fixed incorrect ioctl-problem. Thanks to Jon Burgess.
+- Fixed wrong scaled osd problem when starting vdr without live stream.
+- Fixed external player problem when return to dxr3 output after using ac3 output.
+  Thanks to Jarkko Santala for reporting this one.
+- Fixed wrong assert-call. Thanks to Andre Neumann.
+
+2004-01-04: Version 0.2.2
+
+- Some initialization fixes. Thanks to Jon Burgess.
+- Added patch from Teemu Rantanen to emergency exit if
+  the plugin is not able to recover from dxr3 driver crash.
+- Fixed some osd problems (Elchi, Games, etc.).
+- Changed Makefile to support vdr-1.3.0.
+
+2004-06-22: Version 0.2.3-alpha1 (only for vdr-portal.de)
+
+- we are using now <linux/em8300.h> instead of "em8300.h"
+- updated multichannelaudio.h/c with newest AC3overDVB-Patch-Source (0.2.6)
+- switched to new osd routines for vdr-1.3.7
+- added dxr3singleton.h
+- new interface to work with ffmpeg (chagned include to <avcodec.h>)
+- added a lot of commments and cosmetic code cleanups
+- using everywhere std::string - makes life nicer
+- moved dxr3absdevice to dxr3interface
+- rewritten some parts of dxr3interface
+- added anti-glinsch-when-fast-forward-and-then-play-patch ;)
+- killed DIAG and added a global logger, which is used only in
+  a few functions and not in every like DIAG
+- removed cDxr3StatusMonitor - i dont know why we need this
+- cleaned out unneeded includes
+- fixed memory leak in cDxr3Interface::UploadMicroCode:
+  If uploading of the microcode failed, the allocated memory wasn't
+  freed.
+- If we are changing the audiooutput now the plugin will call an overworked
+  AudioRepoen function, which does not shutdown the whole card.
+- Things like VIDEOMODE and AUDIOMODE are now set only ONCE on plugin start!
+- added check if memory in cDxr3SyncBuffer is allocated correct
+- introced a 'ToDo-System'.
+  in every *.c file there can be something like this at the top of the file:
+  /*
+	ToDo:
+		- cDxr3SyncBuffer::Push: XXX This is only a workaround until a sufficient control algorithm is implemented
+  */
+
+  So it is easier to keep track of stuff, which needs more work.
+- some small changes in dxr3colormanger.h/c
+- some small changes in dxr3pesframe.h/c
+- some small changes in spuenc.h/c
+- killed spu_dump in spuenc.h/c
+- renamed spuenc.h/c to dxr3interface_spu_encoder.h/c
+- changed dxr3audiodecoder to support the new ffmpeg interface
+- renamed dxr3absspu/dxr3absspulist to dxr3interace_spu/dxr3interace_spu_list
+- volume control logarithmic instead of linear. 
+  This is a more natural sounding way of controlling the 
+  volume. Thanks to Jon Burgess <mplayer@jburgess.uklinux.net>
+- added patch for DVD subtitles. Thanks to Stuart Daines <s.daines@ntlworld.com>
+- fixed memory leak in dxr3osd.c - Thanks to Miika Pekkarinen <miipekk@ihme.org>
+- added Tools namespace, which has a fixed Rgb2YCrCb function in it (dxr3tools.h)
+- kicked out Cmd in dxr3osd.h/c
+- added dxr3i18n.h/c
+- added Portuguese language support - thanks to Paulo Lopes <pmml@netvita.pt>
+- added Finnish language support - thanks to Hannu Savolainen <hannu@opensound.com>
+- added Swedish language support - thanks to Tomas Prybil <tomas@prybil.se>
+NOTE: I havent found time to include all of the languages, will be done in pre2
+- kicked out - i hope - some unneeded usleeps
+- rewrote cSPUEncoder: Now we imitate the Cmd funtion form the dvb drivers. So
+  we can use now the normal osd functions form dvbosd.c :)
+- added support for vdr-1.3.11
+- added videomode pal 60
+
+
+2004-07-29: Version 0.2.3-pre2 (now aviable on SourceForge)
+
+- fixed audio and video problems
+- works now with vdr < 1.3.7
+- added YUV2Rgb int dxr3tools.h (for dxr3spudecoder)
+- added some more debug infos in dxr3outputthread.c
+- added const keyword in dxr3configdata.h
+- added EM8300 include define in Makefile
+- added debuglevels, so we can define how much we want to log
+- assimilated spudecoder from vdr's dvbspu.c/h -> nice nav in dvds
+- kicked out cDxr3InterfaceSpu from dxr3interface.c/h
+- a little fix for cDxr3Interface::ResampleVolume
+- kicked out dxr3interface_spu.c/h and dxr3interface_spu_list.c/h, because
+  the new spudecoder dont need it anymore.
+- added dxr3cpu.c/h to get some infos about the cpu
+- added dxr3memcpy.c/h to get a little speedup - i hope
+- maybe a little audiofix: lastHeader in cDxr3AudioDecoder will now set to 0
+  with the constr. and not via Init()-function. So there should be now some lesser
+  audio scratches.
+- osd works now on every resolution (viva, viva plus,...)
+- added main-menu-entry
+- added in some parts some memory allocation tests
+- added fix for Makefile from vdr-portal.de -> should compile on more machines :)
+- added Tools::WriteInfoToOsd(...) - now some infos like "Releasing devices" are show
+  now on the osd again
+- fixed dxr3osd_subpicutre.c - thanks to Paavo Hartikainen <pahartik@sci.fi>