What's New in Avidemux

2.4.4

Fixed crash when opening some MOV files (regression introduced in 2.4.3)
Improved support for H.264 in MPEG-TS and M2TS containers
Improved support for H.264 in MP4 container (including constant frame rate fix)
Fixed bug where muxers could drop the first few B-frames (most containers were affected)
Fixed FAAC support so bitrate is correctly honoured
The same settings are now used for the first and second pass of an x264 encode
Improved JPEG file support
Improved PNG decoding (now uses libavcodec rather than a custom wrapper around libpng)
Improved BMP/DIB decoding (now uses libavcodec rather than using own decoder)
Improved colourspace handling for raw video, bitmaps and DIBs
Fixed Previous Black Frame functionality
Qt interface has been significantly upgraded and now fully functional (compared with its GTK counterpart)
Saving of video is now prevented if the A marker is greater than the B marker
Improvements made to ECMAscript including a new GetFilePath() function for the DirectorySearch class and fixes to the exec() function
Add support for AAC audio to the command line interface
Qt interface is now the default interface for MS Windows
x264 and Xvid stat files with Unicode characters are now handled on MS Windows
The application log file is no longer buffered on MS Windows to ensure sequential logging
Added support for ppc64 to the CMake build scripts
Updated the following translations: Catalan, Czech, French, Italian, Russian, Spanish

2.4.3

Improved support for MP4 files including support for 64-bit files
Support for Y800 codec
libavcodec is now the default MPEG-2 decoder (instead of mpeg2dec)
Fixed memory leak when indexing DVR-MS files
Fixed calculation of width and height for High Profile H.264 video in TS files
Fixed dropping of frames using x264 2-pass encoding (regression introduced in 2.4.2)
Restored missing code pages to the Subtitler filter (regression introduced in 2.4.2)
Fixed crashing on MS Windows when opening multiple instances of Avidemux (regression introduced in 2.4.2)
Remove unneeded delay when using x264 with mkv or mp4

2.4.2

Improved input and output of audio streams in MKV files
Support for MJPEG-A in MOV/MP4 files
Fixed saving header information of AVI files with PCM/LPCM audio
Fixed opening FLV files that don't contain audio
Fixed corruption when decoding MP4 files
Fixed crashing when using MPEG-4 ASP (lavc) and two pass average bitrate mode
Flush the x264 encoder upon completion so the last few frames aren't dropped
Fixed incorrect colour conversion of 24/32 bit BMP and DIB files
Re-enabled AMR-NB decoder (regression introduced in 2.4.0)
Support for additional VP6 fourCCs
Xvid custom matrices are now activated correctly
Fixed caching issue with Qt4 interface which would corrupt translated strings
Fixed zooming when using SDL (regression introduced in 2.4.1)
Windows are now centred correctly on multi-monitor setups
Use alternate button ordering for GTK+ interface when GNOME HIG isn't appropriate, e.g. MS Windows and KDE
Various additions to the Qt4 interface including a new calculator tool, drag and drop support, improved joblist support and an about window
SRT subtitle support for Arabic, Baltic, Greek, Hebrew and Turkish
Fixed iPod profile where audio encoding options weren't always set correctly
Fixed Film to PAL audio filter so frames are removed and added correctly
Batch importing of image files is no longer restricted by the file handle limit set by the C runtime
Video filter for outputting the frame number
PulseAudio support (Linux only)
GCC 4.3 support
Updated the following translations: Czech, French, German, Greek, Italian, Spanish
Fixed drag and drop support on MS Windows
Improved Unicode support for filenames on MS Windows
Prevent source files from being overwritten accidentally by the user on MS Windows
MS Windows logging and settings are now stored under the Application Data folder instead of the User Profile folder
Native file dialogs are now used for the Qt4 interface on Mac
Various minor fixes and enhancements

2.4.1

Support for x264's new Hadamard Exhaustive Search method of motion estimation
Decoder for Windows Media Video 9 Advanced Profile (WVC1)
Re-enabled H.263 decoder (regression introduced in 2.4.0)
Avoid corruption when encoding from MP4/MOV/3GP files
Fixed loss of audio when saving large OpenDML AVI files
Fixed various colour conversion issues with RGB codecs including BMP, Huffyuv, JPEG and PNG
Updated the following translations: Catalan, French, German, Italian, Russian and Spanish
MS Windows logging is now stored in an Avidemux folder under the user's profile. This allows Avidemux to operate under a non-administrator account.
MS Windows CLI version now outputs to console
Quartz version for Mac
Better SDL support for Mac Quartz and Qt4 versions (SDL windows are now embedded and acceleration is enabled for Qt4)
Various video decoding fixes for PowerPC-based Macs
Fixed freezing when opening files on Mac

2.4.0

Input and output support for MKV and FLV containers
Rewrote MP4/MOV/3GP reader
Support for Nellymoser codec
DV video output support
MPEG-TS support including H.264 Elementary Stream
OCR support for MPEG-TS subtitles
Video bitstream unpacker (improved compatibility)
Capability to pack video bitstreams
Yadif filter (ported from Avisynth)
Video filters can be loaded as external plug-ins (sample plug-in included)
Three interfaces now offered: command line, GTK+ and Qt4 (Qt4 is still incomplete)
Several key dialogs have been revamped (GTK+ user interface only)
Preview system refactored
Priority control added for encoding and video playback (MS Windows only)
Jog Shuttle control (GTK+ user interface only)
Support for Jog Shuttle hardware (Linux & GTK+ only)
iPod and PlayStation Portable profiles
Glyph Editor
Improved Bitrate Histogram
JACK support (Linux only)
DirectX support (MS Windows only)
Avisynth Proxy GUI (MS Windows only)
Improved crash recovery - session settings are saved and reloaded upon application start
Various minor bug fixes