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Xvid Media Codec 1.3.1

Xvid is a video codec for PC, whereas codec is an abbreviation for [co]der/[dec]oder, hence describes a program to encode and decode digital video. The purpose of encoding video data is to reduce redundancies – that means to make it smaller for faster transmission over computer networks or for more efficient storage on computer disks. Hence, Xvid can somewhat be seen as a ZIP for video. But unlike ZIP, Xvid is not lossless. That means that a video after compression and decompression with Xvid won`t be identical to the original source. Typically however, a difference to the source is visually imperceptible. So Xvid removes information that is not important for human perception, which is somewhat similar to MP3 for audio. This enables very high compression rates that allow to effectively work with digital video on home computers at all. To give an example: uncompressed digital video is huge and requires about 100 GB per hour at PAL resolution. The same video would require just 500 MB per hour at very high quality when compressed with Xvid. That is a compression ratio of 200:1. Xvid is Free Software and released under the GNU GPL license. This means that the source code of the software is publically available and programmers are allowed to make modifications to the code. Also, redistribution of Xvid is permitted but only under the terms of the GPL license. So the GPL grants recipients more freedoms than it’s common with other software. Therefore, and due to its very high image quality that has been approved in independent tests conducted by third parties the Xvid codec has gained great popularity in the recent past and has become the codec of choice when it comes to exchanging digital video.

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| Xvid | Open Source | Mpeg4 | Codec |

History updates (Complete changelogs since the listing on this site)

1.3.1 [03-26-11]

Enabled noexec stack for both elf and elf32 obj format for better NASM compatibility
  • Fixed edging bug for non-mod16 image dimensions
  • Generated configure scripts with more up-to-date autconf version
  • Fixed error with pthread check in configure.in script
  • Other versions : 1.3.0 1.2.2

    v1.3.0 [02-24-11]

    Disabled late-promotion of S_VOP to N_VOP coding type

  • Makefile fixes for macho64 target

  • v1.2.2 [05-16-10]

    Workaround for nasm bug with Mach-O/OSX target

  • Fix for missing resync marker range check (reported by IBM X-Force. Thanks go to John McDonald and Christopher Valasek)
  • Improved precision for RGB<->YUV conversions
  • Fix for potential RGB24 access violation
  • Updated compiler options for Apple PPC target
  • Fixed MSVC6 projects to work for path names with spaces

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    Predicted future versions and notices:

    The doDownload.com constantly monitors the update of all programs, including information from the Xvid Media Codec 1.3.2 changelog file, however sometimes it can happen that data are not complete or are outdated.We assume that author continue's to develop 1.4.0 version with further advanced features, and soon you will be informed. Equally important 2.0.0 upgrades of the program we will continue to monitor. Full Xvid Media Codec description has been compared with the overall software database and our algorithm has found the following applications (are showed below).

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