Avidemux

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.

Features

The straightforward user interface is designed for convenience and speed with simple operations. Features include WYSIWYG cutting, appending, filters and re-encoding into various formats. Some of the filters were ported from MPlayer and Avisynth. Avidemux can also mux and demux audio streams into and out of video files, either through re-encoding or using a direct copy mode.

An integral and important part of the design of the program is its project system, which uses the SpiderMonkey ECMAScript scripting engine. Whole projects with all options, configurations, selections, and preferences can be saved into a project file. Like VirtualDub's vcf scripting capabilities, Avidemux has advanced scripting available for it both in its GUI and command line modes. It also supports a non-project system just like VirtualDub, where you can simply create all your configurations and save the video directly without making a project file. A project queue system is also available.

Avidemux has built-in subtitle processing, both for Optical Character Recognition (OCR) to soft subtitle formats (VobSub sub, ass and srt) and various hard subtitle VobSub capabilities. While it is primarily a GUI program, Avidemux can also be run from and through the command line (which can also be used for batch processing and debugging).

Multithreading

Multithreading has been implemented in the following areas of Avidemux (some partially through libavcodec):

    * Encoding
          o H.264/MPEG-4 AVC (using x264)
          o MPEG-1, MPEG-2 (using libavcodec)
          o MPEG-4 (SP/ASP, using libavcodec MPEG-4 or Xvid)
                + Xvid requires the latest version from the CVS
    * Decoding
          o MPEG-1, MPEG-2 (using libavcodec)
          o MPEG-4 (SP/ASP, using libavcodec)

Supported input formats

File formats:

    * AVI, OpenDML
    * ASF
    * Flash Video
    * Images (BMP, JPEG, PNG)
    * Matroska
    * MPEG PS, TS
    * NuppelVideo
    * OGM
    * QuickTime, MP4, 3GPP

Video formats:

    * Cinepak (only in latest development version)
    * DV
    * FFV1
    * H.263
    * H.264/MPEG-4 AVC
    * HuffYUV
    * MPEG-1, MPEG-2
    * MPEG-4 Simple Profile/Advanced Simple Profile (Supported codec FourCCs: DIVX, DX50, XVID, FMP4, M4S2)
    * MJPEG
    * MSMPEG-4 v. 2 (FourCC DIV3)
    * Raw RGB
    * SVQ3
    * VP3
    * VP6F (through libavcodec)
    * WMV 2

Audio formats:

    * AAC
    * AC3
    * AMR narrow band
    * MP3, MP2
    * Vorbis
    * WAV PCM
    * WAV LPCM
    * WMA

Supported output formats

File formats:

    * AVI (single or dual audio tracks)
    * Flash Video
    * Images (BMP, JPEG)
    * Matroska
    * MP4
    * MPEG (VCD/SVCD/DVD compatible & separate)
    * OGM

Video formats:

    * FFV1
    * H.263
    * H.264/MPEG-4 AVC (using x264)
    * HuffYUV
    * MPEG-1, MPEG-2
    * MPEG-4 (SP/ASP, using FFmpeg MPEG-4 or Xvid)
    * MJPEG
    * Snow

Audio formats:

    * AAC
    * AC3
    * MP3, MP2
    * Ogg Vorbis
    * WAV PCM
    * WAV LPCM

Avidemux is available for Linux, BSD, Mac OS X and Microsoft Windows under the GNU GPL license.

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