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Avanti is powered byGui4Cli
gui4cli.com and by its own additional dll's which are all written in C and C++.
Therefore Avanti is small
and relies only on the basic Windows OS resources.
It should run without problems on WXP, Vista and Windows 7.

Avanti GUI is a free front-end for FFmpeg with the option to insert Avisynth as pre-processor.
It can be used with almost all Windows OS builds of FFmpeg. It offers user friendly control over all basic and advanced FFmpeg options.
A number of template examples are included. There's no need to be familiar with Avisynth to use the predefined Avanti/Avisynth pre-processor options.

   Features ...
  • Easy access to all FFmpeg codecs and basic encode settings.
  • All advanced FFmpeg options are available through user command addition.
  • All settings are saved and restored at the next session.
  • All encoder settings, user additions and scripts can be saved in template files.
  • Display of estimated encode time, remaining time and encode speed.
  • Option to set encode time limit (in minutes) to encode test clips.
  • Option to auto-shutdown your system after encoding and job processing.
  • Re-direction of FFmpeg screen output to Avanti GUI (hides FFmpeg).
  • Option to process system controlled 2-pass encoding.
  • Advanced batch job processing (with dynamic template support).
  • ES option to encode to mpeg2 elementary audio/video streams for DVD authoring.
  • Option to modify mpeg2 header flags (incl. 2:3 pulldown on 23.976 p).
  • Option to modify AVI header fields (FourCC and frame rate).
  • Selectable Avisynth AUTO and USER modes with build-in Avisynth Editor. ... (supports virtual source paths which allows scripts to run from templates).
  • Internal Video Preview with Avisynth script preview (debug) option.
  • Option to use advanced Avisynth color correction (with preview).
  • Selectable FFmpeg/Avisynth crop/scale/pad option (with preview and calculator).
  • Option to burn-in subtitles (with style editor and preview).
  • Support for the VirtualDub (*.vdr) frameserver format.
  • Option to convert PAL video source to NTSC destination and vice-versa.
  • Option to convert audio from PAL to NTSC and vice-versa (with pitch correction).
  • Option to expand luminance level from 16-235 to 0-255.
  • Avisynth SuperEQ (18 bands) preset editor with preview option.
Latest release:
  
Avanti version 0.4.8
  
If you upgrade a earlier version please read these notes.

Avanti-048.7z (released 21-06-2010)
  
Older versions still available:

Avanti-047.7z
(released 08-05-2010)
  
Avanti-046.7z (released 05-04-2010)
  
All versions require to download FFmpeg separately.
  
Always use a generic FFmpeg build as can be downloaded below.
FFmpeg versions included in other applications
may be modified for specific use and may not work.

Changelog.
FFmpeg is not included in the package. You can download a free build at:
    
              Ramiro Polla's daily auto builds http://ffmpeg.arrozcru.org/autobuilds

   
Ramiro Polla's unoffical Win32 builds http://ffmpeg.arrozcru.org/builds

                
Tripp's unofficial Win32 builds http://tripp.arrozcru.org
Also look here for more sites that provide FFmpeg win32 builds: Links
   
Wanna build your own FFmpeg? Read all you need to know about it here
  
ATTENTION !
  
If you want to use Avanti with FFmpeg versions older then SVN-r10464, you may
need to replace a number of templates because of command line syntax changes.
Read more about it and download a replacement here

Disclaimer ...

This Web Site is provided to you free of charge, "as is". All content within them are provided on an "as is" and "as available" basis without any warranties of any kind, whether express or implied, including, but not limited to the implied warranties of merchantability, fitness for a particular purpose, and non-infringement. Any material downloaded or otherwise obtained through this Web Site is done at your own risk and discretion and you will be solely responsible for any damage to your computer system or loss of data that results from the downloading or use of any such material.

 virtualmechanics.com
Avisynth ...
  
Although optional, we highly recommend to install Avisynth (version 2.5.7 up)
to take advantage of all build-in Avanti/Avisynth options. You can download the latest Avisynth version here
  
The subtitle option requires you have the "VSFilter.dll" plugin in your Avisynth plugins folder. You can download this plugin here
  
7-ZIP ...
  
The Avanti package and some of the FFmpeg builds are packed with 7-Zip.
If you have problems with unpacking, you can download 7-Zip here
  
Support ...
  
A no-nonsense freeware project like Avanti stays alive on a bit of user feedback.
From the first release on September 5 2007, the developer tried to answer user questions at a dedicated Avanti support thread at the videohelp.com forums.
If you don't want to sign up, reading this thread may perhaps be of some help.
v. 0.4.8 - (C) 2007-2010