Avidemux 2.5.4

Ever since I came across datamoshing in around 2010 via Bob Weisz‘s infamous datamoshing tutorials I have only successfully created a few datamoshed videos “by hand”.

Most times the video I created would be completely broken and not in a good way! And so since them I have used semi-automated datamosh scripts for my needs, like Autodatamosh from grampajoe.

Avidemux is a free video editor designed for simple cutting, filtering and encoding tasks. It supports many file types, including avi, dvd compatible mpeg files, mp4 and asf, using a variety of codecs. Tasks can be automated using projects, job queue and powerful scripting capabilities. This package contains the classic version with gtk+ interface. RPM Fusion Free Updates x8664 Third-Party avidemux-2.7.8-3.el8.x8664.rpm: Graphical video editing and transcoding tool: Raven Multimedia x8664 Third-Party avidemux-2.7.4-1.el8.x8664.rpm.

Recently as part of my lecturing role at Staffordshire University I was asked to do a workshop on datamoshing. “This will be easy” I thought as I would just dig up Weisz’s tutorials and teach that. Sure, I couldn’t datamosh back in 2010, but since then I have become way more competent in creating glitch art, learning how software works and programming in general, so learning this widely practiced process didn’t seem impossible.

Of course I was wrong.

Y’see, in the 8 years since I came across datamoshng there have been a lot of changes. Specifically, Avidemux 2.5.4, which was released in 2010 and is the version referenced in Weisz’s tutorial, has been superseded many times and is currently at version 2.7.0. From reading different community pages it was my understanding that the changes in this new version (apparently) “fixed” or “corrected” features that allowed it to be (mis)used to make datamoshed videos. For the unaware, Avidemux is free and open source software that can be used for editing video files. It’s not an NLE, but if you need to make a quick edit to a video it can be useful. It’s also the gold standard for datamoshing.

As a workaround various people have suggested ways to use the 2.5.4 version of Avidemux, even to go as far as running an old OS on a virtual machine or not updating ever. Whilst this might work for now it’s not a recommended or sustainable. In time your OS will outgrow the software which will make it or impossible to install, and old software can introduce security bugs (yes, even buggy video editors can compromise your system). So I set about trying to provide a fix and datamosh a video using Avidemux 2.7.0. Below are my results.

After downloading Avidemux 2.7.0 you will need to do convert your video to the right format for datamoshing. Grab your input video and drag it into Avidemux. For my example I’m using this clip of a person getting hit with a balloon in slow motion.

Under the Video Output change Copy to Mpeg 4 AVC (x264). Click on Configure. In this window click on the on the Frames tab and under B-frames change “Maximum Consecutive B-frames to 0”, and under I-frames change GOP- Size Minimum to 0 and Maximum to 999.

Press OK when done.

In the main window leave Audio Output as Copy and Output Format as Mkv Muxer. With the settings now specified, go to File > Save and give your reencoded file a new name (file_reencoded.mkv).

Avidemux 2.5.4 Mac Download

Avidemux 2.5.4 mac download2.5.4

Avidemux 2.5.4

We now need to open this new file to actually datamosh it! Go to File > Close and then File > Open and select your reencoded video. If you’ve ever followed Weisz’s tutorial, especially the 2nd and 3rd part (or the many copies that have since been made) you’ll already know the process of datamoshing. You can do exactly the same at this point, but for completeness in this tutorial I will go through how to manipulate P-Frames to make the “bloom” style of datamoshing. One of my favourite videos showing this style is Monster Movie by Takeshi Murata.

Avidemux 2.5.4

Using the playhead on the Navigation toolbar, or Left and Right on your keyboard, seek to a part in the video that you want to datamosh that is also a P-Frame. I recommend finding a part of the video that has lots of movement immediately before or after that point. You can tell that you have a P-Frame as the Frame type marker in the Navigation toolbar will tell you. Once there you need to select a P-Frame and copy/paste it over and over again. To do this press the Start Marker button (a red “A” button) (or press Ctrl + PgUP). Then move one frame forward and set press the End Marker button (a white “B” button) (or press Ctrl + PgDn). With the P-Frame highlighted copy it (Ctrl + C) and then paste it (Ctrl + V). And then paste it again. And again. Many times.

The more that you paste the P-Frame the more movement you will get in the bloom effect. Now, be careful and patient when pasting your P-Frames. There is a temptation to paste it hundreds of times but this will definitely slow down Avidemux whilst it catches up. You may also crash it but I haven’t had this happen yet. Perhaps 2.7.0 is a bit more stable than previous versions!

With your P-Frame(s) now repeated set the Start and End markers to be the whole video instead of just the P-Frames you originally selected. When you do this the blue highlight box might not cover the whole area of the timeline. It’s a UI error but it didn’t negatively affect anything. Leave all the Video and Audio options as they are (set to Copy) and then save your video (File > Save). You will get a warning about cut points not being keyframes.

Avidemux 2.5.4 Download

Ignore this and press Yes. Open the finished file in VLC (other players might not like the video).

Avidemux 2.5.4 mac

Voila!

As many others before me have suggested, you may want to resave, or “bake” your glitched file so that your datamoshed file, which is technically a “broken” file, will play well with other video editors and viewers.

As with all things concerning glitch art when you make it you’re doing something unconventional to a file in order to corrupt it in such a way that is aesthetically pleasing. As such, sometimes things just don’t work. Perhaps your video didn’t bloom as much, or maybe removing I-Frames made the file corrupt. I’ve tested this process on Ubuntu 17.10, Windows 10 and Mac OSX and whilst I feel confident that the process will work, the results will be unpredictable. If your result doesn’t turn out as you expect on a particular file then try a different file! Maybe try copy/pasting three P-Frames at a time, or remove some I-Frames. Experiment!

My thanks go to Bob Weisz for originally writing the tutorial and to the community over at the Avidemux forums for clarifying a few things with the new version of the software.

Avidemux 2.5.4 Mac Download

Digital Digest -> Software -> AviDemux -> History & Old Downloads

This is the version history page for AviDemux, showing the last 20 software updates. You can return to the main page for this software by clicking here.

Index:

Version 2.7.5
  • Release Date: Sep 2, 2019
  • Download(s):
    • Some support libraries were not properly generated. That led to issues with x265 and png support.
    • This release only updates the support libraries for win64, no other changes
Version 2.7.4
  • Release Date: Sep 2, 2019
  • Download(s):
      avidemux_2.7.4_win32.exe
      Avidemux_2.7.4_Mojava_64Bits_Qt5.dmg
      avidemux_2.7.4.appImage
    • New Feature:Detect and warn when cut points in H.264 video streams may result in playback issues despite being on keyframes *
    • FFmpeg:Update to the 4.1.4 release *
    • Core:Fix MSVC++ builds do not run when the path to user directory contains non-ASCII characters *
    • Decoder:Fix DXVA2 HW accelerated decoding on Windows 7 *
    • Decoder:Fix DXVA2 HW accelerated decoding stops sometimes on cuts *
    • Decoder:Enable HW accelerated decoding of 8-bit HEVC for recent versions of Intel graphics driver on Windows *
    • Encoder:Fix regression with saved x264 and x265 profiles not found (MSVC++ only) *
    • Demuxer:Dynamically load VapourSynth Script library to avoid error messages on Windows if VapourSynth is not found *
    • Demuxer:Provide correct average audio bitrate in the Mp4 demuxer if the exact value for the particular codec is unknown *
    • Demuxer:Fix crash loading MP4 file with number of audio tracks exceeding the max supported *
    • Demuxer:Support audio tracks in fragmented MP4 files (the variety with empty moov only) *
    • Demuxer:Support E-AC3 audio tracks in MP4 files *
    • Demuxer:Fix ASF demuxer still broken by chance with MSVC++ only, the fix relevant for all platforms *
    • Demuxer:Support more varieties of BMP images *
    • Muxer:Optimize output of the Mp4 muxer for streaming on Windows too *
    • Muxer:Add option to the Mp4 muxer to output fragmented MP4 files *
    • Muxer:Label HEVC video in Mp4 in a way compatible with QuickTime on macOS *
    • Filter:Fix assembly in Yadif deinterlacer with MSVC++ *
    • UI:Enable automatic application scaling on Windows for recent Qt versions *
    • UI:Fix silent mode, automatically confirm dialogs instead of choosing the default option *
    • Audio:Support WMAPRO audio codec for decoding *
    • Audio:Support AAC with signal band replication (SBR) in external audio tracks *
    • Audio:Fix saving AAC audio tracks with SBR to a file *
    • Audio:Improve resilience to false positives when probing external audio files for AAC *
    • Miscellaneous:Fix crash with OpenGL or DXVA2 video output in 32 bits Avidemux on Windows (better late than never) *
    • Miscellaneous:Fix regressed handling of empty frames in MPEG-4 and FRAPS video streams *
    • Miscellaneous:Numerous other fixes and polish
Version 2.7.3
  • Release Date: Mar 22, 2019
  • Download(s):
    • Visual C++ only fixes
Version 2.7.0
  • Release Date: Sep 5, 2017
  • Download(s):
      avidemux_2.7.0_win32.exe
      avidemux_2.7.0_win64.exe

  • - Editing:Fixed frame computation bug that led to bad cutting (euma)
    - i18n:Korean translation (sheppaul)
    - win32:Put log files into the local folder (achim71)
    - Jobs:Fix name of the executable search
    - UI:Steplessly zoom paused video when the window is resized (euma)
    - UI:Added Ctrl+Shift+C shortcut to copy the current PTS to clipboard (euma)
    - Filter:eq2: UI improvements (euma)
    - Decoding:Fix VP9 decoding
    - Filter:Using rubber bands for crop too (me+euma)
    - Build:Redone packaging on macOS
    - Decoding:HEVC decoding via DXVA2 blacklisted on win32, active on win64
    - New Filter:ADM ivtc
    - Audio:Distinguish between AC3 and EAC3 when importing
Version 2.6.21
  • Release Date: May 7, 2017
  • Download(s):
    • The x265 encoding plugin was broken on win64 and regenerated. No other change.
Version 2.6.20
  • Release Date: May 7, 2017
  • Download(s):
    • Core: The bundled FFmpeg has been updated to version 3.0.7
    • Core Encoder: A crash encoding MPEG-2 with B-frames disabled has been fixed
    • Core Encoder: An error due to invalid decoding timestamps at the end of encoding with MPEG-2 has been fixed
    • Core Audio: Sound issues including audio dropouts with AAC in MPEG TS fixed
    • Core Audio: External AAC audio misidentified as E-AC3 fixed
    • MKV Demuxer: FPS calculation improved
    • MKV Demuxer: A crash with audio tracks using lacing extensively fixed
    • MKV Muxer: The FPS value is set correctly now
    • FLV Demuxer: File kept open preventing deletion fixed
    • VPX Decoder: Swapped colors fixed, support for VP9 added
    • macOS: Passing command line arguments to the application fixed
    • VDPAU: Decode MPEG-1 instead of crashing
    • Qt / Properties Dialog: A button to copy the data to clipboard added
    • Qt / Filter Manager: Dynamically disable not applicable context menu entries in the list of active filters
    • Qt / Filter Manager: Horizontal scrolling in the list of available filters eliminated
    • Qt / MPlayer eq2 Plugin: The sliders on the right becoming squeezed horizontally fixed
    • UI: File dialog not adding a file name extension when saving projects fixed (not in 64 bit builds for Windows yet)
    • i18n: Russian and German translations updated (TotalCaesar659 / eumagga0x2a)
    • Debug: Avidemux now prints the correct version string to the console or to the application log
Version 2.6.19
  • Release Date: Mar 30, 2017
  • Download(s):
      avidemux_2.6.19_win64.exe
      avidemux_2.6.19_win32.exe
  • * Filter : All filters with preview have better navigation dialogs
    * Filter : Fixed changeFps/resampleFps seeking
    * Flv/Demux : Support large files (euma)
    * UI : General usability cleanup (euma)
    * UI : Allow using the last read folder as default save folder (euma)
    * UI : Dynamically enable/disable menu (euma)
    * UI : Allow reverting page up/down (euma)
    * i18n : Russian translation updated (TotalCaesar659)
    * i18n : General cleanup (euma)
Version 2.6.18
  • Release Date: Jan 7, 2017
  • Download(s):
      avidemux_2.6.18_win64.exe
      avidemux_2.6.18_win32.exe
    • Preview : Fix auto resize when video has ~ same dimension as screen*
    • Preview : Fix multiple preview breaking navigation
    • Preview : Fix slider and tooltips (euma)
    • Mp4/Mp4v2: Allow E-AC3 (fiftyplus/euma)
Version 2.6.17
  • Release Date: Jan 6, 2017
  • Download(s):
      avidemux_2.6.17_win32.exe
      avidemux_2.6.17_win64.exe
    • Allow EAC3 in mp4 and mp4v2 (fiftyplus/euma)
    • Fix behaviour of preview window when video size is ~ screen size
Version 2.6.16
  • Release Date: Dec 31, 2016
  • Download(s):
      avidemux_2.6.16_win32.exe
      avidemux_2.6.16_win64.exe
    • [installer] update what s new
    • [contrast] dont autoscale histogram
    • [filter] misc tweaks
    • [vaapi] Put the filter in the QT section as we use vaapi with X11 only
    • [vaapi] wrong color conversion support
    • [vaapi] wrong color conversion support
    • [vaapiFilter] mostly working resize
    • [vaapi] more background work
    • [vaapi] Skeleton for vaapi resizer
    • [flyDialog] only allow multiple of 0.5 zoom up and down + cache the zoomed value
    • [videoFilter/contrast] improve UI
    • [flyDialog] Dont use QStringLiteral
    • [flyDialog] begin factorizing
    • [flyDialog] Generalised Auto zoom, part 1
    • Merge pull request #63 from eumagga0x2a/window-width
    • [flyDialog] first pass done
    • [Qt] Take actual dimensions of widgets into account when resizing the main window
    • [flyDialog] spread more
    • [flyDialog] spread the good stuff
    • [flyDialog] move toolbox buttons to flyDialog
    • [flyDialog] sort of fix autoZoom
    • [flyDialog] better playback
    • [flyDialog] Dont use things that belong in derived class from the base class
    • [flyDialog] the currentPts belongs to flyDialog, remove dirty hack
    • [core/ffmpeg] Backport nvenc not requiring nonfree flag from ffmpeg 3.1
    • [ffmpeg/patch] Backport patch from 3.1 ffmpeg branch about nvenc not requiring non free. Since it is possible due to the MIT licensing of nvenc header, it should applies to all branches
    • [flyDialog] proper export
    • [flyDialog] merge the 2 flyDialog files
    • [flyDialog] cleanup
    • [flyDialog] simplify more
    • [flyDialog] Simplify
    • [all] Move flyDialog to be Qt only
    • [plugin/flyDialog] simplify, move the flyDialog to Qt only part
    • [bootStrap] remove gtk
    • [plugin] remove gtk
    • [flyDialog] cleanup
    • [build] move flyDialog to Qt only to simplify it later
    • [core/flyDialog] cosmetic
    • [UI/QT] auto zoom preview window
    • [filter/preview] Bump api version + make playback stop on error
    • [Qt] Skeleton for backward/forward 1mn
    • [Qt] cosmetic
    • [Qt] Slightly better filter preview window
    • Merge pull request #62 from eumagga0x2a/i18n-minimal-fixes
    • Merge pull request #61 from eumagga0x2a/selection-widget-cosmetics
    • [i18n/de/ru] Add kb accels to the audio track dialog, add a missing translation and fix agreement in i18n/ru
    • [Qt] Reduce the minimum width of the selection widget
    • Merge pull request #60 from eumagga0x2a/vdpau-decoder-to-upper
    • [cosmetics] Show an uppercase string as decoder name for VDPAU
    • [libva] Export defines and flags from core
    • Merge pull request #59 from eumagga0x2a/build-with-external-libs
    • [build/plugins] Fix build with external libs (oops...)
    • Merge branch 'master' of github.com:mean00/avidemux2
    • [va/encoder] reindent
    • [va/encoder] Better initialization
    • [va/encoder] helper functions
    • Merge pull request #58 from eumagga0x2a/seek-by-time
    • [UI] Move a variable declaration in GUI_lastFrameBeforePts where it belongs
    • [Ts/Demux] probe deeper to see if wanted audio track is there
    • [core/vs/import] Also import the dxva2 header files
    • [clock] re-indent + simplify
    • [cosmetic] Remove tabs
    • [qt] increase buffer to avoid stack overflow (1st bug found with vs)
    • [build] Better management of coreConfig
    • [core] Reenable dxva when compiling with vs, not fully working yet
    • [build] More vs2015 fix
    • [Qt] Fix openGl build on vs2015
    • [all] Try to avoid defining STDC all across the code
    • [build/openGL] Add missing glext.h file
    • [Qt] Proper dll linkage declaration, fixes a lot of warning (vs)
    • [filter] fix prototyping so it compiles with vs
    • [build] tweak a bit build so that ffmpeg builds with vs nicely
    • [playback] Dont busy loop when there is no audio track
    • [demuxer] Fix plugin export (vs)
    • [demuxer] dont use the stack too much, it crashes on VS
    • [filte] Fix and re-enable avsfilter (fahr)
    • [build/json] try to be compatible with mingw64 x2
    • [build/json] try to be compatible with mingw64
    • [x265] Only deal with recent (>1.9) version of x265 that supports utf8
    • [plugin/demux] Fix symbol export for vs
    • [build] Fix video encoder plugin for vs
    • [core] fix bad ifdef
    • [build] Export needed symbols for plugins (vs)
    • [build] fix redirect output + engine dll loading + list folder content
    • [Core] More vs fixes, alignedAlloc + list folder
    • [build] more vs fixes for plugin
    • [demux/avi] Fix packed keyword for gcc
    • [plugin] Fix audioencoder / lav
    • [core] Add missing export files
    • [plugin] fix most of the plugins for VS
    • [main] Try to cope more gracefully with non working tinypy engine
    • [all] Factorize alloca vs _alloca + some auto cosmetic stuff, damn atom
    • [audioEncoder/avcodec] Change the way we create multiple plugin from one file
    • [plugin/vs] Fix some VS compilation issues
    • [build/qt4] Factorize
    • Merge pull request #50 from eumagga0x2a/ubuntu-build-script
    • [vs/qt] Fix wrong libs to link with (oops)
    • [vs/qt] Fix wrong libs to link with
    • [vs/qt] Also link to Qt5WinExtra
    • Merge pull request #45 from TotalCaesar659/master
    • Merge pull request #46 from eumagga0x2a/default-audio-device
    • Updated Russian translation
    • [Pref] Return false if loading config fails, avoid selecting dummy audio device in this case
    • [Qt] Vs compilation fix
    • [win32] Dont look at dxva2 at all with vs for the moment
    • Merge pull request #44 from eumagga0x2a/ffmpeg-git
    • [Core/ffmpeg/vs] Partially install ffmpeg libs (actual dll are missing)
    • [Qt/vs] Make it compile
    • [Build] Fix archiving ffmpeg git checkout
    • [Build] Fix ffmpeg checkout from git as fallback
    • [osx] Set fontconfig so that libass works
    • [osx] Set fontconfig so that libass works
    • [core/vs] disable dxva2 for the moment, we are using a mingw version
    • [build/core/vs] More compatibility fix
    • [win32] Remove more duplicate
    • [win32] Remove duplicate functions
Version 2.6.15
  • Release Date: Nov 19, 2016
  • Download(s):
      avidemux_2.6.15_win32.exe
      avidemux_2.6.15_win64.exe
  • * Hw Accel : Fixed nvEnc and added simple nvEnc-HEVC (windows/linux)
    * Hw Accel : Added support for HEVC/VC1 with libVA (linux)
    * Hw Accel : Experimental Dxva2 video decoder + Dxva2/D3D display engine (windows)
    * Demux : Mpeg TS, fix non multiple of 16 file management (euma)
    * Audio/win32 : Fixed CPU consumption when playing audio
    * Editor : A *lot* of seeking bugs fixed (euma)
    * Editor : A *lot* of marker management bugs fixed (euma)
    * x26* : Added a 'None' preset
    * i18n : Qt4 vs Qt5 language fix (D. Amm)
    * UI : Added reload default settings (euma)
    * UI : Allow minimizing to tray while encoding (euma)
Version 2.6.14
  • Release Date: Sep 18, 2016
  • Download(s):
      avidemux_2.6.14_win32.exe
      avidemux_2.6.14_win64.exe
  • 2016-09-17: 2.6.14 : Fixing bugs and polishing. For WIN32 only, YOU MUST DEINSTALL THE PREVIOUS VERSION FIRST.
    i18n:
    * A lot more is now translatable (D. Amm)
    * German translation update (euma)
    * PT/BR translation partially fixed


    * Qtx : Automatically check if a new version is available once a day
    * WIN32 : Reverted to MXE cross compiler, XP now works again
    * OSX : Fixed the packager, it should work every time now (no more borked dmg)
    Application:
    * Decoding : Deal with corrupted stream in a nicer way (H264/TS)
    * Decoding : Support for flac through libavcodec
    * Demuxer : Image loader improved and cleaned up, more jpeg formats are supported
    * Editor : Try to deal better with corrupted audio in copy mode
    * TS : Add support for new EAC3 identifier such as the ones used by numericable / DVB-T
    * Encoder : Fix most of the libavcodec based encoders
Version 2.6.13
  • Release Date: Aug 19, 2016
  • Download(s):
      avidemux_2.6.13_win64.exe
      avidemux_2.6.13_win32.exe
  • * [Win64] Toolchain updated
    * [Core] Update to libav* 3.0.2
    * [Audio] AAC/ADTS import/export
    * [Filter] new video filter : ivtcDupeRemover to remove duplicate after 3:2 pulldown
    * [Filters] ASS/SSA fixes
    * [Filters] Improved logo filter with alpha channel
    * [Filter] ShaderLoader, load your openGL shaders as filters
    * [Filter] Partial filter available only for one in/one out video filters
    * [i18n] Translations updated
Version 2.6.12
  • Release Date: Mar 5, 2016
  • Download(s):
      avidemux_2.6.12_win32.exe
      avidemux_2.6.12_win64.exe
    • [H264] Fixed crash when saving h264 annexB in avi (Brundle)
    • [Vdpau] Fixed VDPAU resize and deinterlace when height is padded
    • [Mkv] Faster loading of VP9 and h265
    • [MP4] Supports more flavors of H265
    • [i18n] Spanish translation update by ringmaster
    • [Edit] Another frame seeking bug fixed, happened rarely
    • [All] Slightly better crash handler
    • [FFmpeg]Update to 2.7.6
    • [Muxer] Basic webm support
    • [Jobs] Fixed right click menus with qt5
Version 2.6.11
  • Release Date: Jan 29, 2016
  • Download(s):
      avidemux_2.6.11_win32.exe
      avidemux_2.6.11_win64.exe
    • [UI] Make refresh cap a tunable
    • [UI] Use delayed refresh
    • [year] we are in 2016 now
    • [mkv/demux] silence
    • [editor] Dont fail completely when there is a decoding error or a bad timestamp
    • [Gui] Change the behaviour of slider
    • [fade] very basic fade
    • [FadeToBlack] fix pitch and display
    • [Demux/pics] Manage error loading image more gracefully
    • [Core] Support for greyscale
    • [jpeg] Better compatibility with large headers
    • [mkv] Use time rather than position to map keyframes from cue
    • [editor] Fix pivot search when looking for the previous kf
    • [Editor/copy] drop frame is DTS is <0
    • [ASF] Use duration of video, pretty ugly workaround
    • [demux/mp4] basic support for h265
    • [mkv/muxer] support opus
    • [installer/nsi] Try to do uninstall cleanly
Version 2.6.11 Beta1
  • Release Date: Dec 24, 2015
Version 2.6.10
  • Release Date: Oct 13, 2015
  • Download(s):
      avidemux_2.6.10_win32.exe
      avidemux_2.6.10_win64.exe
  • * Re-added avsproxy
    * Fixed multi passes with x264 when file has non ascii chars
    * Fixed a bug with filler frames (fraps)
Version 2.6.9 v2
  • Release Date: May 16, 2015
  • Download(s):
      avidemux_2.6.9_v2_win32.exe
      avidemux_2.6.9_v2_win64.exe
Version 2.6.9
  • Release Date: May 16, 2015
  • Download(s):
      avidemux_2.6.9_win32.exe
      avidemux_2.6.9_win64.exe
Version 2.6.8 v2
  • Release Date: Mar 24, 2014
  • Download(s):
      avidemux_2.6.8_win32_v2.exe
      avidemux_2.6.8_win64_v2.exe
    • One file was missing from the installer, blocking tinypy. The file has been added back to avidemux_2.6.8_winXX_v2.exe

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