v3.24
* fixed: m2ts framerate detection for h264 tracks was half of what it should be

v3.23
* fixed: handling of MKV files with header compression didn't work
* fixed: track listing of some Blu-Rays failed silently
* added support for decoding mono tracks with ArcSoft DTS decoder
* added reading support for DTS tracks with additional DTS-HD header
* improved m2ts framerate detection
* video bitdepth is displayed now, if different than 8 bits
* chroma format is displayed now, if different than 4:2:0

v3.22
* fixed: reducing bitdepth from >16bit to 16bit resulted in static (v3.21)
* updated to latest ffmpeg/libav version
* libav MP1/MP2/MP3 decoders now decode to floating point
* libav E-AC3 decoder now supports spectral extension

v3.21
* fixed: big w64/rf64 files sometimes had incorrect header information
* fixed: HD DVD chapter times were wrong by 3.6 seconds per hour
* fixed: 6.1 DTS decoding with ArcSoft resulted in wrong channel order
* fixed: 6.1 TrueHD decoding with libav resulted in wrong channel order
* fixed: reducing bitdepth of clipped audio produced too much bitdepth
* when clipping is automatically fixed, the applied dB gain is logged
* when normalizing an audio track, the applied dB gain is logged

v3.20
* fixed 3D demuxing (argh)

v3.19
* added support for 3D Blu-Rays (playlists, detection & demuxing)

v3.18
* TrueHD dialnorm removal now uses "-31db" instead of "-0db"
* TrueHD frames with -0db dialnorm are now automatically patched to -31db
* added MKV demuxing support for TrueHD tracks
* added MKV demuxing support for Blu-Ray PGS subtitle tracks
* added MKV demuxing support for (MS ACM) extensible WAV tracks

v3.17
* updated libFLAC to version 1.2.1
* added a flush after every log line to help GUIs
* "eac3to some.mpls" now also works if the stream files aren't there, anymore
* fixed: number of subtitles was not appended to demuxed subtitles' file name
* fixed: dialnorm removal (for Nero decoder) failed with some 2.0 TrueHD files

v3.16
* added undocumented "-no2ndpass" switch to turn off 2nd pass processing
* fixed: two pass processing sometimes produced superfluous sup files
* fixed: MPG/EVO/VOB audio tracks with "PES extension 2" were not detected
* fixed: very small W64/RF64 files were not detected correctly
* fixed: when processing was aborted, log file was sometimes not created
* fixed: sometimes specifying a title number addressed the wrong HD DVD title

v3.15
* "24.975" is now interpreted as "25.000/1.001"
* Blu-Ray "sup" are demuxed with DTS set to 0 again, proper fix will come later
* fixed: error code not set for "source file format could not be detected"
* fixed: audio resampling from/to 24.975 didn't work properly
* fixed: WAV files beginning with lots of zeroes were sometimes not accepted

v3.14
* WAV reading was broken for all but very small files (introduced in v3.13)

v3.13
* fields and frames are counted and displayed separately now
* added DIRAC bitstream parser
* added support for "-24.975" and "-changeto24.975"
* Blu-Ray subtitle demuxing: PTS value is now written to both PTS + DTS
* joining MKV files is now declined with a proper error message
* last chapter is now removed, if it's less than 10 seconds from end of movie
* fixed: "-normalize" didn't work with stdout, anymore
* fixed: audio delay was incorrect when 1st m2ts part contained no audio data
* fixed: very small WAV files were not detected correctly
* fixed: "eac3to source.eac3 dest.dts -core" crashed

v3.12
* fixed: track languages for HD DVD discs were not shown
* fixed: MLP channel order was wrong for some specific channel configurations
* fixed: "DirectShow reported 255 channels" happened sometimes

v3.11
* fixed: MKV subtitle track language wasn't shown

v3.10
* Blu-Ray title listing now includes chapter information
* fixed: v3.09 didn't show track languages for Blu-Rays

v3.09
* added support for MKV "SRT/UTF8", "SRT/ASCII", "ASS" and "SSA" subtitles
* increased some internal buffers to avoid AC3 overflow in the "thd ac3 joiner"
* fixed: frame counting didn't work for MKV video tracks
* fixed: video track FPS change was sometimes declined
* fixed: video tracks with "strange" FPS were sometimes handled incorrectly
* fixed: clipping removal 2nd pass was executed even for "stdout"
* fixed: "eac3to -test" displayed an outdated Nero download link
* fixed: specifying a specific playlist still used default playlist's chapters

v3.08
* fixed: reading physical disc speed was abysmal (introduced in v3.07)
* fixed: read error from physical drive resulted in crash

v3.07
* added support for MKV video tracks without sequence headers in bitstream
* added support for old style MKV AAC tracks
* added support for various MKV "A_MS/ACM" audio formats
* added support for various MKV "V_MS/VFW/FOURCC" video formats
* added warning for tracks where bitstream parsing failed
* demuxing a video track now also complains about video gaps/overlaps
* the "-check" option now also complains about video gaps/overlaps
* optimized memory allocation
* fixed: adding subtitle caption count to filenames sometimes didn't work
* fixed: subtitle caption counts in log sometimes had wrong track numbers
* fixed: all non-supported MKV tracks shared the same description
* fixed: incorrect framerate mismatch complaint was shown for pulldown sources
* fixed: FLAC tracks in MKV files don't slow down detection, anymore
* fixed: source file detection read 300MB from every source file

v3.06
* added MKV reading/parsing support
* added demux support for MKV (E-)AC3, DTS(-HD), AAC, MPx, FLAC and WAV tracks
* added demux support for MKV "modern style" MPEG2, VC-1 and h264/AVC tracks
* reading from (HD) DVD and Blu-Ray drives uses different reading APIs now
* empty tracks in TS/m2ts container are not listed, anymore
* for 24.000 fps video tracks a little warning is displayed now
* when demuxing subtitle files, the number of captions is added to the filename
* timestamp derived FPS is used for gap checking instead of video bitstream FPS
* fixed: 44.1khz AC3 encoding was still broken
* fixed: zero byte stripping pass was done for true 24bit TrueHD tracks
* fixed: downconverting WAV files with 0x3f channel mask didn't work
* fixed: log output "remaining delay [...]" was sometimes wrong for AC3 tracks
* fixed: silent frame creation was tried for E-AC3 although it can't work

v3.05
* warning is shown if h264 video bitstream contains "full range" flag
* h264 video bitstream "full range" flag is automatically removed
* you can disable removal of the "full range" flag by doing "-keepFullRange"
* added reader for external DVD, HD DVD and Blu-Ray SUP files
* external SUP files can be delayed now
* number of HD DVD and DVD subtitles in SUP track is counted and displayed
* number of forced and non-forced Blu-Ray subtitles in SUP track is displayed
* "-check" option now also works for demuxed audio, video and subtitle tracks
* when reading from physical disc drive, 2KB (instead of 1MB) blocks are read
* improved automatic skipping over damaged first 5MB of TS/m2ts files
* fixed: resampling and Surcode encoding didn't work in one step
* fixed: TRP detection crashed
* fixed: track listing sometimes contained tracks without description
* fixed: h264 with missing framerate in 1st sequence header made eac3to crash
* fixed: some AC3WAV files were not detected correctly
* fixed: video frame count was not displayed when 2nd pass was executed

v3.04
* video track framerates are now shown with up to 3 decimals, if necessary
* m2ts/TS framerate is determined by interpreting video track timestamps
* m2ts/TS framerate is displayed in the format description (if available)
* warning is shown if container timestamps don't match video framerate
* warning is shown if video bitstream has a non-standard framerate
* video without framerate information: container framerate is used
* video without framerate information: framerate can be set (e.g. "-23.976")
* video without framerate information: new framerate is written to bitstream
* remaining non-fixed audio delay is now shown in log
* command prompt colors are restored after eac3to has run through
* fixed: 2-pass processing for stripping zero bytes sometimes crashed
* fixed: CA (Conditional Access) tracks were shown as "Unknown audio track"

v3.03
* fixed: MPEG2 1088 to 1080 cropping was still incomplete

v3.02
* fixed: VC-1 stream handling was broken
* fixed: destination file extension "*.lpcm" didn't work with 2pass processing
* fixed: MPEG2 1088 to 1080 cropping was incomplete
* fixed: no log was being created when "temp file could not be interpreted"

v3.01
* fixed: m2ts LCPM demuxing didn't work with v3.00
* fixed: TrueHD -> TrueHD+AC3 conversion didn't work with v3.00

v3.00
* broken AC3, DTS, AAC and MPx streams are now automatically repaired
* errors in TS/m2ts files are now reported (with runtime) and ignored
* damaged first max 5MB and max 5% of a TS/m2ts file are automatically skipped
* video/audio tracks which can't be parsed, are now demuxed in raw form
* added support for "line 21" closed captions in ATSC/NTSC broadcasts and DVDs
* added reading of movie / network name from "line 21" XDS information
* for gaps, edits & repairs > 1000ms eac3to now inserts silence by default
* for gaps, edits & repairs < 1000ms eac3to now loops audio by default
* option "-silence" forces eac3to to insert silence instead of looping audio
* option "-loop" forces eac3to to loop audio instead of inserting silence
* newly encoded AC3 frame is now used for "silence" instead of file's 1st frame
* increased reading block size (might improve reading performance)
* optimized TS/m2ts demuxing performance
* optimized MPEG2, VC-1 and h264 parsing performance
* command line output is colored now (e.g. errors drawn in red)
* MPEG2 1920x1088 bitstream is now automatically patched/cropped to 1920x1080
* log file now contains "<WARNING>" and "<ERROR>" indicators
* workaround for movie playlists which want the same m2ts file played twice
* added version check for eac3to (doh!)
* when a read error occurs, reading is tried again up to 3 times
* (E-)AC3 frames with -0db dialnorm are now automatically patched to -31db
* updated to newer libAften build -> fixes 44.1khz encoding
* fixed: sometimes "The last DTS frame is incomplete" was a false alarm
* fixed: mkvtoolnix version check didn't work, anymore
* fixed: errors were meant to be output to stderr, but they weren't
* fixed: automatic gap/overlap fixing with AAC targets aborted processing
* fixed: positive edit began a bit too early
* fixed: two ID3 tags after each other made eac3to fail detecting the format
* fixed: some VOB files were not detected properly

v2.87
* fixed: negative edit was done too late (introduced in v2.86)

v2.86
* fixed: "1:some.ac3" instead of "1: some.ac3" failed for 2 digit track numbers
* fixed: "eac3to source movie.mkv" demuxed video instead of muxing to MKV
* negative edit now begins at the specified runtime instead of ending there

v2.85
* using "eac3to source video.h264" doesn't demux audio/subtitle tracks, anymore
* using "eac3to source movie.*" demuxes video, audio and subtitle tracks
* using "eac3to source 1: video.* 2: audio.*" demuxes the specified tracks
* AC3 and E-AC3 dialnorm removal now uses "-31db" instead of "-0db"
* workaround for DTS files where last byte is missing in each audio frame
* fixed: v2.84 sometimes crashed when parsing HD DVD XML files
* fixed: v2.84 sometimes chose incorrect XML file
* fixed: v2.84 sometimes chose wrong m2ts playlist file
* fixed: some actions were eventually applied twice when "-2pass" was used
* fixed: AAC encoding quality "quality=0.0x" was passed to Nero as "0.x"

v2.84
* fixed: 2nd pass gap removal was tried (and failed) for TrueHD+AC3 targets
* fixed: processing aborted when trying to fix gaps in PCM destination files
* fixed: more than one RAW/PCM overlaps resulted in lost sync (since v2.81)
* fixed: demuxing TrueHD+AC3 stream by title number didn't renew the AC3 part
* new option for removing or looping audio data, e.g. "-edit=0:20:47,-100ms"
* title sorting criteria changed: resolution is more important than runtime
* new option "-lowPriority" sets eac3to to background/idle priority
* libav warnings are now assigned to the affected audio track
* fixed: "lossless check failed" false alarms for seamless branching movies
* fixed: spike removal filter was not active for the very last overlap/gap
* improved muxing h264 streams which begin with double sequence headers
* source files are now opened with "share read + write access"
* destination files are now opened with "share read access"

v2.83
* fixed: gap/overlap correction didn't work for FLAC and WAV files
* fixed: when clipping was detected, 2nd pass was not always executed correctly

v2.82
* fixed: sometimes eac3to stalled before processing (introduced in v2.81)

v2.81
* audio gap/overlap fixing is now automatically done in a 2nd pass
* option "-normalize" maximizes the volume of the audio data, needs 2 passes
* audio clipping is detected and automatically removed in a 2nd pass
* "-2pass" activates 2 pass mode (can speedup seamless branching processing)
* superfluous zero bytes are now automatically removed in 2nd pass
* "-phaseShift" shifts surround channel phase by 90° for DPL II downmixing
* spike removal post processing filter now always produces 16bit samples
* empty channels are now reported by the bitdepth analyzer as "no audio data"
* option "-shutdown" shuts the PC down automatically after processing is done
* the HD DVD XPL with the longest title is now loaded instead of VPLST000.XPL
* eac3to can now open selected XPL files (e.g. "eac3to ADV_OBJ\VPLS002.XPL")
* eac3to can now open selected mpls files (e.g. "eac3to PLAYLIST\00002.mpls")
* fixed: TrueHD streams starting with a non-major header failed to decode
* fixed: WAV files created by eac3to with empty channels had incorrect header
* fixed: RAW/PCM gap/overlap remover sometimes didn't work correctly

v2.80
* fixed: FLAC files with missing runtime information were not accepted
* gone back to old VOB/EVO auto delay calculation method, more reliable for me
* improved TS broadcast audio delay detection
* added support for constant bitrate AAC encoding
* added support for AAC encoding 0.00 and 1.00 quality

v2.79
* improved m2ts file joining overlap detection (mainly for interlaced video)
* vob/evo audio delay detection now uses "vobu start presentation time"
* program streams which are neither VOB nor EVO are now reported as "MPG"
* resampling is now automatically activated for AC3/DTS encoding, if necessary
* "Mersenne Twister" random number generator is used for dithering now
* zero padded DTS tracks are now displayed as such
* fixed: 32bit PCM conversion to floating point was broken
* fixed: with some (rare) movies first subtitle began after 50 minutes runtime
* only plugins with the extension *.dll are loaded now

v2.78
* fixed: h264 interlaced muxing to MKV could result in too long runtime
* fixed: transcoding DTS-HD/E-AC3 core sometimes failed to work correctly
* improved TS/m2ts audio delay detection
* added filter to remove spikes when fixing gaps/overlaps in RAW/PCM audio
* each eac3to instance has its own log file now
* playlist output now also works with "-log" option
* default bitrate for mono & stereo AC3 encodes lowered to 448kbps
* default bitrate for mono & stereo DTS encodes lowered to 768kbps
* it should be possible to handle TsSplitter splitted TS files via "+" now

v2.77
* pcm/raw audio delay is now applied before resampling and fps change
* parsing of command line with multiple sources files sometimes failed

v2.76
* "-slowdown" now works to convert 24.000 movies to 23.976
* "-speedup" now works to convert 24.000 movies to 25.000
* option "-xx.xxx" (e.g. "-24.000") sets the FPS of the source track
* option "-changeToXx.xxx" (e.g. "-changeTo23.976") changes video/audio FPS
* modified FPS information is written to video bitstream (VC-1, MPEG2, h264)
* demuxing with FPS change option now activates audio track transcoding
* SSRC resampling parameters modified slightly to reduce steepness and ringing
* fixed incorrect h264 movie slowdown gap/overlap complaints
* fixed DTS-HD High Resolution bitrate calculation
* dithering is now done differently per channel

v2.75
* added (E-)AC3 5.1 "EX" detection
* added (E-)AC3 2.0 "Surround" detection
* added (E-)AC3 2.0 "Headphone" detection
* NeroAacEnc is now fed with up to 32bit float (if available)
* resampling option "-quality=low|high|ultra" not supported, anymore
* new option "-fast" switches SSRC resampler to fast, but low quality mode
* new option "-r8brain" forces use of r8brain resampler instead of SSRC
* added support for AES3 PCM streams in TS container
* started working on encoder plugin interface

v2.74
* "-demux" failed to work for DTS-HD and "TrueHD/AC3" tracks in v2.73
* fixed: DTS-HD tracks could make processing abort at the very end of the movie

v2.73
* changed TS demuxing logic to make the broken (!) new SkyHD broadcasts work
* DTS core and "TrueHD/AC3" AC3 parameters are displayed separately now
* when using "-core" option, eac3to now bases its decisions on core parameters
* added WAV/W64/RF64 read/write support for 32bit PCM and 32/64 bit float
* option "-full" allows WAV/W64/RF64 output to be native (default <= 24bit PCM)
* Surcode DTS encoding is now done with up to 32bit float (if available)
* Aften AC3 encoding is now done with up to 64bit float (if available)

v2.72
* fixed: per channel bitdepth analyzation didn't work correctly

v2.71
* fixed: v2.70 detected Blu-Rays as "TS" without chapters and track languages
* fixed: TrueHD downmixing to 2.0 didn't work

v2.70
* added floating point support to the complete audio processing chain
* added gain functionality, e.g. "-3db" or "+1db"
* bitdepth analyzation is now done separately for each channel
* fixed: when decoding lossy audio with libav, peaks were clipped incorrectly
* fixed: libav MP1/2/3 decoder output was cut down to 24bit
* fixed: with some EVO sources the AC3 track was not listed
* fixed: if no key frame was found, h264 track in m2(ts) was not listed
* fixed: video/audio data before first PAT/PMT was discarded
* Blu-Ray chapters now don't contain link points, anymore, unless necessary
* added 10db boost to LFE channel, when "-down2" and "-mixlfe" are used
* ArcSoft output can now be overwritten to "-2", "-6", "-7" or "-8" channels

v2.69
* added high precision SSRC resampler
* resampling "-quality" now allows "low", "high" (SSRC) or "ultra" (r8brain)
* resampling quality now defaults to "high" (SSRC)
* bitdepth is now analyzed separately for original vs. processed data
* fixed: downmixing 16 bit DTS tracks to 5.1 or 2.0 didn't work
* fixed: Sonic Decoder was incorrectly assumed to decode XXCh DTS files to 6.1
* for movies the Haali Muxer can't handle "-seekToIFrames" is suggested now

v2.68
* fixed crash when transcoding Blu-Ray/HD DVD track to FLAC

v2.67
* information about HDCD and real bitdepth is now stored into FLAC metadata
* information about real bitdepth is now read from FLAC metadata
* PTS break: PTS is increased by 1 frame (fixes some false overlap warnings)
* fixed: video gap log text was sometimes not correct (runtime information)
* added undocumented switch "-neroaacenc="c:\whatever\neroaacenc.exe""
* error log messages are now output to stderr instead of stdout
* improved "which mkvtoolnix is currently installed?" check
* fixed: mkvtoolnix version check "Oct" date was not interpreted correctly

v2.66
* changed eac3to to allow AAC encoding with 7.1 channels (for new Nero encoder)
* fixed AGM creation for files bigger than 4GB
* added support for Nero's new AAC Encoder download URL
* lowered volume of error/success sounds
* when there are 2 similar playlists the one with less chapters is ignored now

v2.65
* automatic channel remapping for 6.1 tracks with wrong channel mask
* automatic channel remapping for ArcSoft DTS decoder 6.1 tracks
* fixed: TrueHD -> Surcode encoding didn't work, anymore
* fixed: MPEG2 + h264 video gap/overlap removal didn't work properly

v2.64
* added channel mask reading support to Blu-Ray PCM track parser
* added channel mask reading support to TrueHD parser
* added channel mask reading & writing support to FLAC decoder / encoder
* changed 5.x channel mask from $03x to $60x
* changed 6.x channel mask from $13x to $70x
* mono wavs output now creates correct names for some channel masks
* when transcoding 6.1 sources to PCM, 7 channel doubling is activated now
* fixed: DTS channelmask detection was incorrect for very strange configs
* fixed: sometimes the h264 video stream of a Blu-Ray m2ts was not detected

v2.63
* fixed: incorrect detection of 6.0 DTS tracks as 5.0
* fixed: incorrect libav DTS channel remapping for 6.x or 7.x tracks
* fixed: incorrect ArcSoft DTS channel remapping for "6.0" and "2/2.1" tracks
* fixed: v2.61+62 incorrectly decoded 16bit TrueHD tracks to 24bit FLAC/WAV/RAW
* fixed: some DTSWAV files made HDCD decoder crash
* fixed: DTSWAV and AC3WAV samplerate and bitdepth were reported incorrectly
* improved DirectShow channel configuration reporting
* undocumented option -progressnumbers now outputs "analyze:" and "process:"

v2.62
* fixed: downmixing 16 bit 7.1 DTS tracks to 5.1 stopped working in v2.61

v2.61
* option "-no7doubling" is not supported anymore
* option "-double7" added which upconverts 6.1 to 7.1
* added read/write support for Sony wave64 (*.w64) format
* added read/write support for RF64 wave64 (*.rf64) format
* added write support for AGM format
* true bitdepth (e.g. 18 bits) is written to extensible wav header now
* when reading 16/24 (true/storage) WAV files, zero bytes are stripped now
* added HDCD detection for WAV and FLAC files
* added HDCD detection for PCM tracks in VOB/EVO/m2ts containers
* added HDCD decoder written by Christopher Key
* added new option "-decodeHdcd" to decode HDCD information
* HDCD track -> lossy format: HDCD decoding is automatically activated
* when DTS-MA and TrueHD tracks are decoded, a check for HDCD is done
* fixed some incorrect DTS channel masks
* added automatic libav DTS channel remapping
* added automatic ArcSoft DTS channel remapping
* added channel map manipulation to make funny DTS tracks decode with Sonic
* added channel map manipulation to make funny DTS tracks decode with ArcSoft
* added channel volume modification to undo ArcSoft mono surround splitting
* for TrueHD+AC3 creation AC3 delay and gap correction are disabled now
* fixed: DTSWAV and DTSAC3 readers reported too long runtime
* fixed: sometimes processing aborted with a "bitdepth reducer" complaint

v2.60
* fixed: in v2.59 "-analyzeBitdepth" stopped working for Blu-Ray TrueHD tracks

v2.59
* extension ".thd+ac3" is supported now to define destination format
* TrueHD tracks without AC3 core can be converted to TrueHD/AC3 now
* demuxing a single-part Blu-Ray title keeps the original "TrueHD/AC3" data
* demuxing a multi-part Blu-Ray title automatically redoes the AC3 substream
* added workaround for Blu-Ray playlists with multiple last "invalid" parts
* fixed: "-check" didn't work for LPCM tracks

v2.58
* h264 parser rewritten: framerate, pulldown etc is detected reliably now
* h264 pulldown is automatically removed from progressive movie sources now
* h264 pulldown removal can be disabled by using "-keepPulldown"
* h264 muxing now fully supports streams with mixed 23.976 and 29.970 content
* h264 1920x1088 bitstream is now automatically patched/cropped to 1920x1080
* h264 filler data is now already removed during demuxing
* h264 sources with funny framerates (e.g. Luxe.tv HD) are patched to 25fps now
* mixed video/movie h264 streams are now always muxed with 29.970 timestamps
* speedup/slowdown now changes framerate information in the h264 bitstream
* options "-24p", "-60i" and "-30p" are no longer supported
* fixed Blu-Ray seamless branching subtitle remuxing
* added workaround for Blu-Ray playlists with a last small "invalid" m2ts part
* bitdepth analyzation is now done for decoded FLAC, WAV, PCM, DTS MA, too
* bitrate is now also reported for FLAC, WAV and PCM tracks
* when encoding AC3, DTS or AAC, the encoding bitrate is reported
* fixed: v2.57 incorrectly decoded 16bit TrueHD tracks to 24bit FLAC/WAV/RAW
* (M2)TS discontinuities before the first unit start are ignored now
* new option "-progressnumbers" replaces progress bar with percentage numbers

v2.57
* added automated support for Nero AAC command line encoder
* added "quality=0.xx" (0.00 - 0.99) parameter to control AAC encoder quality
* added Nero AAC encoder check to the "-test" list
* "-test" checks whether a new Haali Matroska Muxer version is available
* "-test" checks whether a new MkvToolnix release build is available
* "-test" checks whether a new MkvToolnix beta build is available
* "-test" checks whether a new Nero AAC encoder version is available
* added TRP container support (TS files without PMT/PAT)
* parameter "-extensible" is no longer supported (it's default now)
* new parameter "-simple" can be used to disable the "-extensible" wav header
* decoded TrueHD tracks: bitdepth is now automatically analyzed in more detail
* option "-analyzeBitdepth" manually activates extended bitdepth analyzation
* DVB subtitle tracks are listed now - can't be demuxed, though
* option "-check" doesn't fail on DTS Express tracks, anymore

v2.56
* fixed: processing aborted when a VC-1 sequence end code was found

v2.55
* AAC bitstream parser added
* AAC auto detection added
* AAC bitstream delay added
* AAC bitstream gap/overlap correction added
* AAC decoding (Nero & Sonic) added
* old MP2 parser now "officially" and properly supports MP1, MP2 and MP3
* MP3 decoding (libav & Nero) added
* added support for MPEG Audio version 2 and version 2.5
* added (limited) support for ID3, APE and LYRICS tags in MP3 and AAC tracks
* improved VOB/EVO audio delay detection algorithm
* detection and automatic skipping of invalid vob units
* options "-60i" and "-24p" are no longer supported for MPEG2 video
* improved detection of MPEG2 framerate / pulldown state / mode
* improved MPEG2 muxing warnings
* several bugs in MPEG2 video muxing fixed
* fixed interlaced VC-1 muxing with user data (Nine Inch Nails)

v2.54
* VC-1 pulldown removal rewritten (comparable to vc1conv 0.4, but faster)
* VC-1 pulldown removal is activated by default
* VC-1 pulldown removal can be manually deactivated by "-keepPulldown" option
* VC-1 pulldown removal is also available and activated when muxing to MKV now
* fixed Blu-Ray subtitle demuxing for seamless branching movies
* better task separation when doing multiple operations with an audio track

v2.53
* Blu-Ray PGS subtitle demuxing support added
* added support for EVO/VOB subtitles which begin very late in the file
* MPEG2 video muxing doesn't rely on GOP headers, anymore
* all (M2)TS discontinuities are now reported with exact file position
* fixed: reading language information from TS files didn't work correctly

v2.52
* fixed muxing of MPEG2 broadcasts where "temporal_reference" overruns
* MPEG2 bitstream headers are now updated correctly when speedup is performed
* MPEG2 bitstream headers are now updated correctly when slowdown is performed
* MPEG2 bitstream headers are now updated correctly when pulldown is removed
* pulldown removal is now automatically disabled for MPEG2 broadcasts
* AC3WAV (SPDIF formatted) support added

v2.51
* DTS Express bitstream parser added
* DTS Express auto detection added
* DTS Express bitstream delay added
* DTS Express bitstream gap/overlap correction added
* DTS Express decoding (Nero & ArcSoft) added
* fixed: 6.1 -> 7.1 channel doubling resulted in wrong channel order
* added (undocum.) option "-no7doubling" to disable 6.1 -> 7.1 channel doubling
* DTS tracks with funny speaker settings are displayed as "7.1 (strange setup)"
* warning is displayed when decoding "7.1 (strange setup)" tracks with ArcSoft

v2.50
* ArcSoft DTS Decoder DLL is now directly accessed instead of using DirectShow

v2.49
* DTS parser sets correct channel mask now
* DTS-HD parser now properly detects format, channels and samplerate
* added support for ArcSoft DTS(-HD) Decoder
* added several tweaks to make ArcSoft Decoder behave correctly
* added ArcSoft test to the "-test" processing
* made ArcSoft Decoder default for DTS and DTS-HD decoding

v2.48
* 96kHz LPCM tracks in (M2)TS and EVO/VOB containers didn't work correctly
* "Applying (E-)AC3 delay" now only shows if the bitstream is actually modified
* fixed crash in MP2 reader when checking some PCM tracks
* added support for MLP formats 13 - 16
* improved/corrected MLP channel descriptions
* MLP parser sets correct channel mask
* added proper channel remaps for libav MLP decoding of "funny" channel formats
* added proper channel remaps for Nero MLP decoding of "funny" channel formats
* added proper channel remaps for Nero AC3 decoding of "funny" channel formats
* when doubling 7th channel the channel mask is set correctly now
* channel mask is corrected if a decoder doesn't output all channels
* channel mask is corrected if channel downmixing is performed

v2.47
* improved detection of AC3/DTS tracks in TS/M2TS container
* added support for Blu-Ray style LPCM tracks in TS container
* fixed 44.1kHz AC3 tracks
* fixed crazy audio delay values when no video track was detected
* sometimes video/audio tracks were not properly detected in (M2)TS container
* MPEG2 demuxing/remuxing incorrectly output the first sequence headers twice
* sequence end codes are removed when demuxing video now, too
* MPEG2 pulldown removal is automatically activated only for EVO HD sources now
* MPEG2 pulldown removal can be manually activated by using "-stripPulldown"
* MPEG2 pulldown removal can be disabled by using "-keepPulldown"

v2.46
* MPEG2 muxing now fully supports streams with mixed 23.976 and 29.970 content
* mixed video/movie MPEG2 streams are now always muxed with 29.970 timestamps
* if a movie MPEG2 stream goes video, processing is automatically restarted
* MPEG2 pulldown is now automatically removed whenever an MPEG2 stream is read
* new option "-keepPulldown" can be used to disable MPEG2 pulldown removal
* corrected default WAV channel masks for 4.0, 6.1 and 7.1
* added proper channel remaps for libav AC3 decoding of "funny" channel formats
* added general channel mask support
* WAV parser reads channel mask from extensible header
* (E-)AC3 parser sets correct channel mask

v2.45
* Blu-Ray angles are now reported as separate titles
* duplicate playlists are not listed in the "folder view", anymore
* reduced TrueHD and RAW/PCM gap/overlap threshold to 7ms
* reduced (E-)AC3 gap/overlap threshold to 60% of the runtime of one audio frame
* reduced MP2 gap/overlap threshold to 60% of the runtime of one MP2 frame
* reduced DTS threshold to 60% of the runtime of one DTS frame, but at least 7ms
* fixed: Blu-Ray chapter export sometimes wrote incorrect "00:00:00.000" items
* improved handling of MPEG2 streams (changes from interlaced to progressive)
* video information now shows "with pulldown flags", if applicable
* removed "-ignoreDiscon" from help; hint is shown when a discontinuity occurs
* added "-ignoreEncrypt" option; hint is shown when a source is encrypted
* new option "-extensible" creates WAV files with a slightly different header
* fixed some smaller bugs

v2.44
* libav is now automatically used when Nero/Sonic decoders are not working
* gap/overlap correction of RAW/PCM tracks sometimes aborted
* rerunning de/remuxing to correct gaps/overlaps ignored RAW/PCM tracks
* "lossless check failed" messages are surpressed on join points now

v2.43
* added automatic Blu-Ray playlist parsing
* added support for multi part (e.g. seamless branching) Blu-Ray titles
* audio gap/overlap detection rewrite completed
* added audio gap/overlap correction functionality
* added Blu-Ray chapter support
* log lines are now prefixed with a track identifier
* RAW/PCM delay is used instead of bitstream delay, if possible
* fixed: video framecount was missing

v2.42
* added support for 16bit DTSWAV files
* fixed: Blu-Ray TrueHD support was broken

v2.41
* added full MP2 (MPEG2 audio) support including decoding + bitstream delay
* added TS/M2TS runtime detection
* improved VOB/EVO runtime detection
* added TrueHD gap/overlap detection
* audio gap/overlap detection logic rewritten (not complete yet)
* fixed: log file option didn't work correctly
* fixed: some DTS tracks in PAL TS broadcasts weren't detected correctly
* fixed: some E-AC3 tracks in PAL TS broadcasts weren't detected correctly

v2.40
* video framecount is now also shown for TS/M2TS demuxing/remuxing
* "-check" option added to check container for corruption
* TS/M2TS: discontinuity check sometimes fired false alarms
* HD DVD subtitle language/description was not always correct
* title listing is only shown if there are at least 2 titles
* if there is only one title, the title is automatically selected
* TS/M2TS audio delay detection was broken
* improved audio delay detection for broadcasts and badly mastered discs
* TS/M2TS video demuxing could eventually add some invalid data
* new option "log=c:\whatever\log.txt" specifies the log file path/name

v2.39
* simple audio transcoding was broken

v2.38
* fixed file path handling bug

v2.37
* added HD DVD chapter support
* added HD DVD subtitle demuxing support
* added pre-freeze detection for Haali Matroska Muxer bug
* invalid characters are removed from file names now
* log file is copied to destination path (of first destination file)

v2.36
* TS/M2TS: discontinuity is only checked for tracks which are de- or remuxed
* TS/M2TS: "-demux" creates both a "thd" and an "ac3" file for "thd/ac3" tracks
* TS/M2TS: "eac3to source.m2ts movie.mkv" transcodes "thd/ac3" tracks to FLAC
* M2TS: track language is displayed (if the file "xxxxx.clpi" is available)
* TS: track language is displayed (if the source file contains this info)
* video gaps/overlaps in the last 5 seconds of the movie are ignored now

v2.35
* fixed broken EVO support

v2.34
* TS/M2TS: fixed PAT/PMT reading bug
* TS/M2TS: new "-ignoreDiscon" option makes eac3to ignore discontinuity errors

v2.33
* added full TS and M2TS support (file joining not supported yet, though)
* further improved "-demux" file names
* help text and HD DVD track listing is now also written to the log

v2.32
* added automatic "VPLST000.XPL" and "HVA00001.VTI" parsing
* "eac3to" or "eac3to ." inside of a HD DVD folder lists all title sets
* "eac3to someHdDvdMovieFolder" lists all title sets
* "eac3to someHdDvdMovieFolder whatever.mkv" converts the longest title set
* "eac3to someHdDvdMovieFolder x) whatever.mkv" converts the selected title set
* EVO report now contains the EVO display name (if "VPLST000.XPL" is available)
* added language to EVO audio track listing (if "VPLST000.XPL" is available)
* added EVO audio track display names (if "VPLST000.XPL" is available)
* sequence end codes are stripped from VC-1, MPEG2 and h264/AVC
* put "-stripPulldown" option back in on request
* option "-demux" now writes to "current directory" instead of source directory
* option "-demux" now creates files with meaningful names
* doing "eac3to src.evo dst.mkv" now creates audio files with meaningful names
* doing "eac3to src.evo dst.mkv" writes the audio files to same path as the MKV
* after successful (erroneous) processing "success.wav" (error.wav) is played

v2.31
* DTSWAV input support added
* fixed bitstream delaying of 96khz DTS tracks
* improved DTS runtime calculation
* fixed DTS audio gap/overlap correction for strange DTS formats
* fixed E-AC3 audio gap/overlap correction for strange bitrates
* fixed incorrect MKV "default duration" when using "-24p" or "-30p"
* fixed incorrect MKV "default duration" when using "-slowdown" or "-speedup"
* improved support for "open bitrate" DTS files
* slightly improved automatic (E-)AC3 delaying exactness

v2.30
* fixed wrong MPEG2 framerate (bug introduced in v2.29)

v2.29
* added automatic audio gap/overlap correction for (E-)AC3, DTS(-HD) and LPCM
* options "-slowdown" and "-speedup" can now also be used for video muxing
* added support for muxing of EVO's secondary video track to MKV
* added "-24p", "-30p" and "-60i" options to overwrite detected h264 framerate
* fixed some MPEG2 muxing problems
* temporarily disabled "-stripPulldown" because vc1conv 0.3 is better

v2.28
* new "-seekToIFrames" switch makes Basic Instinct (h264) muxing work

v2.27
* fixed h264/AVC muxing crash with some movies (due to too high RAM usage)
* fixed missing frames at the end of the movie when doing h264/AVC muxing
* fixed non-working "eac3to -test"

v2.26
* Haali Splitter replaced with internal splitter for EVO h264/AVC tracks
* external raw h264/AVC tracks can now be muxed directly to Matroska
* timestamps for h264/AVC MKV videos don't need to be rewritten, anymore
* gaps/overlaps in h264/AVC track of EVO files are detected now
* h264 aspect ratio is detected and written into MKV now
* Haali Media Splitter is not being used at all, anymore
* mkvtoolnix is not being used at all, anymore
* added detection for MPEG2 interlaced -> progressive mode change
* workaround for eacGui bug

v2.25
* fixed MPEG2 muxing for interlaced content

v2.24
* Haali Splitter replaced with internal splitter for EVO MPEG2 tracks
* external raw MPEG2 tracks can now be muxed directly to Matroska
* timestamps for MPEG2 MKV videos don't need to be rewritten, anymore
* gaps/overlaps in MPEG2 track of EVO files are detected now
* VC-1 and MPEG2 aspect ratios are detected and written into MKV now
* fixed bug with "-down2" option

v2.23
* fixed bug which made some DTS tracks appear dirty although they weren't
* fixed extremely big gap detection with Fantastic Four 2
* fixed non cleaned up gaps file bug

v2.22
* gap/overlap logic changed completely (optional two pass muxing now)
* "-ignoreGaps" parameter is gone

v2.21
* latest libav MLP/TrueHD decoder fixes "lossless check failed" bug
* latest libav MLP/TrueHD decoder supports & decodes 7.1 TrueHD tracks
* Matroska muxing speed dramatically improved
* eac3to now detects and handles E-AC3 7.1 tracks correctly
* option "-core" extracts 5.1 core from E-AC3 7.1 tracks
* added support for small DTS files (< 300kb)

v2.20
* changed VC-1 muxing method to fix problems with several movies, e.g.
  - Unforgiven
  - Phantom of the Opera
  - Million Dollar Baby
  - Fantastic Four 2
* fps value is now also added to MKV header when muxing raw VC-1 stream
* added new "-skip" option to skip corruption in the beginning of an EVO file
* added extra handling which fixes some EVO authoring bugs

v2.19
* fixed h264 bitstream parsing of framerate information format
* fixed (again) muxing of some rare VC-1 titles like e.g. POTO USA

v2.18
* fixed bug which stopped eac3to v2.15-17 from working on some PCs
* fixed h264 bitstream parsing bug (Sum of all Fears)
* fps value is added to MKV header now
* relaxed VC-1 gap detection once more
* TrueHD decoding to stdout fixed (always output as 24 bit now)

v2.17
* fixed VC-1 pulldown removal
* VC-1 pulldown removal must now be activated by the new option "-stripPulldown"
* improved VC-1 gap/overlap detection
* new option "-ignoreGaps" disables VC-1 gap/overlap detection
* libav E-AC3 decoder background decoding removed again

v2.16
* fixed "eac3to -test" crash
* fixed "eac3to some.ddp some.wav" crash
* made video gap/overlap detection a little more relaxed
* WAV header is initialized to 4GB instead of 0GB (for stdout)
* fixed incorrect "primary/secondary" text

v2.15
* Haali Splitter replaced with internal splitter for EVO VC-1 tracks
* external raw VC-1 tracks can now be muxed directly to Matroska
* timestamps for VC-1 MKV videos don't need to be rewritten, anymore
* some problematic VC-1 movies should mux fine to MKV now (e.g. POTO USA)
* gaps/overlaps in VC-1 track of EVO files are detected and displayed now
* pulldown can be removed from external raw VC-1 tracks now
* pulldown is automatically removed when demuxing EVO VC-1 tracks now
* updated to the latest revision of the libav E-AC3 decoder
* some minor changes and bugfixes

v2.14
* libav TrueHD decoder "end of stream" bug should be fixed now
* fixed libav DTS decoder - subwoofer channels is properly decoded now, too
* patched libav DTS decoder to output full 24 bit
* updated to the latest revision of the libav E-AC3 decoder
* when decoding E-AC3 with Nero, libav decoding is also executed at the same time

v2.13
* added option to downmix multi channel audio to stereo
* added support for VC-1 custom aspect ratios
* added stdout output support

v2.12
(thanks to Ron/drmpeg for all his help)
* video resolution, framerate and mode (progressive/interlaced) are displayed
* rewriting timestamps should now always write the correct framerate
* after a full EVO/VOB processing the number of video frames is shown
* EVO 16 bit and 24 bit LPCM demuxing supported now (need samples for 20 bit)
* (E-)AC3 bitstream can be delayed now (similar to delaycut)
* DTS bitstream can be delayed now (similar to delaycut)
* DTS-HD High-Res and Master Audio bitstream can be delayed now
* when demuxing bitstream audio tracks from EVO delay is automatically applied
* some little bugs fixed

v2.11
* libav E-AC3 decoding is without DRC now
* libav AC3 decoding added (without DRC)
* libav E-AC3 and AC3 decoding hacked to return full 24 bit
* fixed: delay was not applied for lossless audio tracks
* fixed crash when parsing PCM files without doing any conversion
* TrueHD dialnorm was displayed incorrectly
* changed 23.976 to 24/1.001
* fixed some more minor bugs

v2.10
* fixed crash which occurred when doing "EVO/VOB -> Surcode DTS encoding"
* "eac3to source.evo movie.mkv" syntax replaces "-auto" option
* "eac3to 1.evo+2.evo movie.evo" syntax supported now for simple EVO/VOB joining

v2.09
* EVO demuxing added with proper delays for all audio tracks
* EVO file joining/rebuilding added
* automated EVO video remuxing (Matroska) added
* automated rewriting of Matroska timestamps to 24p via mkvtoolnix added
* multiple operations on the source file can now be run at the same time
* switch "-test" tests all external DirectShow filters and tools
* latest ffmpeg/libav TrueHD and E-AC3 decoder patches included
* latest libAften build included
* libav TrueHD decoder is now the default decoder for TrueHD/MLP
* support for libav DTS decoding added
* fixed a whole lot of bugs (and might have added a few new ones)

v2.08
* fixed: bitdepth reducer sometimes crashed when being fed a PCM file
* fixed: FLAC encoder sometimes crashed when delay was applied
* fixed: some TrueHD files were dithered/processed by Nero when they shouldn't
* fixed: Surcode 1.0.29 encoding automation
* fixed: source file was deleted when source and dest file names were identical
* eac3to output is now always written to "log.txt"
* when a crash occurs, "log.txt" is added to the bug report
* improved help text + hints slightly
* undocumented switch "-check16bit" added
* undocumented switch "-mono" added

v2.07
* fixed libAV MLP decoding support
* added automatic MLP ID20 channel remapping
* Surcode 1.0.29 (or newer) home directory detection added

v2.06
* doing FLAC -> FLAC now copies metadata from source to destination file
* MLP files are correctly decoded now (by both Nero and libav/ffmpeg)
* runtime for padded DTS files is shown correctly now

v2.05
* added support for libav/ffmpeg decoding of TrueHD/MLP and E-AC3
* added "-libav" switch to force libav decoding

v2.04
* don't need dtsac3source.ax, anymore
* don't need Nero Splitter, anymore
* don't need Sonic HD Demuxer, anymore
* replaced hacked DirectShow feeding with a cleaner approach
* added support for DTS-HD Master Audio 7.1 tracks (only 5.1 decoding)
* little performance boost for PAL speedup/down on DualCore CPUs
* fixed some bugs

v2.03
* new "-debug" switch added

v2.02
* fixed: automatic registering of the dtsac3source filter crashed

v2.01
* fixed: AC3 encoding sometimes crashed when being fed 24 bit audio data
* fixed: AC3 encoded files were invalid when being fed 24 bit audio data
* eac3toGUI didn't work with eac3to v2.0
* "eac3to source.ac3 dest.ac3 -slowdown" didn't do anything useful
* when a crash occurs, the bug report is automatically copied to clipboard now
* some minor cosmetic improvements

v2.00
totally new features
* AC3 decoding support (Nero's decoder without DRC/dialnorm)
* resampling to 44.1/48/96 kHz (by using "r8brain")
* apply/reverse PAL speedup (by using "r8brain")
* "eac3to sourceFile" will print out source file details
strongly enhanced features
* dramatically improved performance (no intermediate files, anymore!)
* proper 6.1/7.1 downmixing to 5.1 instead of just dropping the back surround channels
* RAW/PCM file detection now auto detects channels, bitdepth and endian
* WAV is now fully supported as source file format
* destination file extension "PCM" creates Blu-Ray style LPCM tracks
* bitdepth can be reduced to anything between 14 bits and 23 bits
DTS related improvements/changes
* DTS-96/24 support added
* "open bitrate" support added
* strange channel configuration support added
* removal of zero padding from DTS files added
* eac3to can fix broken DTS-ES files (they decode to 5.1 instead of 6.1 without the fix)
* dialog normalization can be removed without removing the additional DTS-HD data now
* core extraction must be specifically asked for now (see "-core" switch)
AC3 related improvements
* did I mention that eac3to can decode AC3 now?
* strange channel configuration support added
TrueHD related improvements
* delay problem (hopefully) solved
* fixed: sometimes some audio data in the middle of a track was lost
* TrueHD/AC3 interweaved file can be stripped to TrueHD only now
various minor improvements/changes
* progress bar added
* eac3to detects file format independently of file extension
* multiple input files can be treated as one big file
* "sox" is not needed, anymore
* "dump" filter not needed, anymore
* "aften.exe" replaced by "libAften.dll"
* "flac.exe" replaced by "libFlac.dll"
* DTS/DD+/AC3 source filter ships with eac3to now
* 8bit support added
* crash analyzer and bug reporting added

v1.23
* bugfix: sometimes TrueHD decoding resulted in incorrect sampling rate

v1.22
* 6.1 -> 7.1 channel doubling was sometimes incorrectly skipped
* OS speaker settings now don't have to be 7.1, anymore
* added detection of 5.1 output when 6.1 was expected
* DTS and DTS-ES files are now forcefully patched to 24 bit by eac3to (workaround for Sonic decoder)
* Sonic Audio Decoder is now always used by default for DTS decoding

v1.21
* bugfix: 2 channel DTS files were not accepted
* added: DTS-ES 6.1 support
* added: DTS-HD High Resolution Matrix 5.1 support
* added: DTS-HD Master Audio 6.1 support

v1.20
* bugfix: some Blu-Ray TrueHD tracks were not accepted
* change: eac3to output text slightly improved

v1.19
* bugfix: still some TrueHD files were not accepted ("The source file format is unknown")
* added: FLAC supported as source/input file format now
* added: full delay functionality

v1.18
* bugfix: some TrueHD files were not accepted ("The source file format is unknown")
* change: EVO files are not accepted as source files, anymore
* added: detection and repacking of 16 bit TrueHD tracks
* added: proper detection of "DTS-HD Master Audio" and "DTS-HD High Resolution" tracks
* added: runtime information for "DTS-HD High Resolution" tracks
* bugfix: bitrate information for "DTS-HD High Resolution" tracks
* added: decoding of "DTS-HD Master Audio" tracks (Sonic)
* added: decoding of "DTS-HD High Resolution" tracks (Sonic)
* added: decoding of conventional DTS tracks (Sonic/Nero)

v1.17
* TrueHD dialog normalization removal added

v1.16
* added decoding support for Blu-Ray TrueHD files

v1.15
* bugfixes

v1.14
* DTS dialog normalization can be removed now
* DTS core can be extracted from DTS-HD track now

v1.13
* "eac3to src.ac3 dst.ac3" removes dialog normalization from AC3 files
* "eac3to src.eac3 dst.eac3" removes dialog normalization from E-AC3 files
* "eac3to src.thd dst.ac3" extracts the AC3 frames from a Blu-Ray TrueHD track and removes dialog normalization

v1.12
* tools "flac.exe", "aften.exe" and "sox.exe" are now distributed in the eac3to zip
* correct channel mapping for 7.1 LPCM tracks is default now
* new option "-down6" allows downconverting of 7.1 tracks to 5.1
* modded "flac.exe" ships with eac3to now, which has no problems with 2GB file output, anymore

v1.11
* bugfix: (L)PCM -> DTS encoding automation failed when source and destination folders differed
* added: new "-allowDnr" switch allows Nero's audio decoder to apply DNR
* added: new "-keepDialnorm" switch disables removal of E-AC3 dialnorm information

v1.10
* E-AC3 dialog normalization detection and removal
* DRC turned off for Nero E-AC3 decoder
* Surcode automation improved
* Nero is now the default E-AC3 and TrueHD decoder
* the flag "/nero" is no more
* there is a flag "/sonic" now to force the use of the Sonic filters

v1.09
* multi channel mono wav output added
* automated SurCode DTS encoding added
* 24bit PCM handling works now (was buggy before)
* "-blu-ray" option removed
* with PCM input files "bigendian" is default now
* with 5.1 PCM input blu-ray style channel remapping is default now
* switches "-16" and "-24" are valid for both TrueHD and PCM input now
* eac3to now creates the WAV files on its own instead of using sox
* target extension ".wavs" results in one mono wav for each channel being created
* SurCode DVD DTS encoding automation added
* new options "-768" and "-1536" for DTS encoding
* TrueHD output is not downconverted to 16bit by default, anymore
* new option "-down16" downconverts the raw data from 24 -> 16 bit (not limited to TrueHD input)

v1.08
* added PCM input support
* automatic detection of PCM bitdepth added (16bit or 24bit)
* "-blu-ray" switch remaps PCM channels correctly

v1.07
* added "-8" switch for 8 channel support

v1.06
* mono E-AC3 support added

v1.05
* support for 5.1 TrueHD audio tracks added

v1.04
* E-AC3 files bigger than 4GB are supported now

v1.03
* AC3 files bigger than 2GB are supported now

v1.02
* FLAC encoding works now without any input/output size limits

v1.01
* support for FLAC encoding added
* bitrate can be specified via command line parameter
* ffdshow removed from the filter chain
* "ddp" and "ec3" file extensions are accepted now, too
* fix: "dd+" file extension didn't work correctly.

v1.00
* initial release
* can convert a 2.0 or 5.1 channel E-AC3 file to AC3.
