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    Archived pages: 30 . Archive date: 2012-11.

  • Title: Xvid.org: Home of the Xvid Codec
    Descriptive info: .. Choose Your Destination:.. get the latest version of the Xvid codec for your platform.. frequently asked questions on the Xvid codec and how to use it.. all about the Xvid project.. get the latest Xvid source code.. subscribe to the Xvid developer mailinglists.. Expert knowledge and software solutions that really fit your needs.. engineering and consulting.. key competences.. News.. Tuesday 31.. of May 2011.. Xvid 1.. 3.. 2 is out!.. This is Xvid 1.. 2 bugfix release.. It fixes and replaces the previous 1.. 1 stable release.. Changes since 1.. 1:.. xvidcore library.. Updated implementation of IDCT/FDCT to match error spec of MMX/SSE code.. Added make info to unix Makefile.. Removed debian directory from release tarballs.. Made multi-threading (pthread support) switchable at compile time.. VFW frontend.. Minor GUI changes.. DShow/MFT frontend.. GUI cosmetics.. Updated MSVC project files with seperate build configs for MFT-enabled binary.. [more].. Thursday 24.. of March 2011.. 1 released.. 1 bugfix release.. 0 stable release.. 0:.. 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.. Disabled rgb_flip for MFT decoder.. Modified icon/gui graphics for better visibility.. Changed VC8 project files to use static LIBCMT runtime.. Tuesday 22.. of February 2011.. 0 released.. 0 release.. It is API compatible with the previous 1.. 2.. 2 stable release.. 0-rc1:.. Disabled late-promotion of S_VOP to N_VOP coding type.. Makefile fixes for macho64 target.. Minor GUI cosmetics.. Decoder support for lower-case FourCCs.. Fix for YV12 colorspace pass-through mode.. Decoder support for additional FourCCs.. Slightly increased  ...   available.. This is the first release candidate of the Xvid 1.. 3 series.. Friday 29.. of May 2009.. 2 released.. This release is Xvid 1.. This release contains important, security-related fixes.. Update is highly recommended.. 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.. Updated mingw makefile.. DShow frontend.. Bugfix for wrong handling of xvidcore XVID_ERR_MEMORY return code (reported by IBM X-Force.. Thanks to John McDonald and Mark Dowd).. Thursday 04.. of December 2008.. Fix for 'nested function' potential compilation error.. WIN64 fix: Properly treat xmm6/xmm7 registers as non-volatile on WIN64.. Added test for WIN64 xmm6/xmm7 preservation to xvid_bench.. 1.. 3:.. Complete AMD64/EM64T 64-bit support.. Added support for WIN64 platform.. Multi-threaded encoding support.. SSE3/SSE4 optimizations.. Faster and more precise mpeg intra quantization.. Fixed bug in packed pixel format colorspace conversion.. Noexec-stack security patch.. Fix for bad resync marker length.. Improved decoder robustness for broken streams containing B-frames.. Fix for potential out-of-bound access to MV bits table.. Added SSIM quality-metric plugin.. WIN64 compatibility.. Added widgets for SSE3/SSE4.. Auto-detection of available processor cores.. Sunday 30.. of November 2008.. 3 stable release.. Displaying results.. 1 to 7.. out of.. 9.. 1.. 2.. Next >.. Xvid Newsletter.. You want to be always up to date? Be informed about new features and the latest Xvid releases: just enter your e-mail address below and subscribe to our newsletter!.. © 2012 Xvid.. Imprint.. top..

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  • Title: Xvid.org: General Info
    Descriptive info: Xvid Homepage.. Xvid Video.. General Info.. What is Xvid?.. Why use Xvid?.. What use Xvid for?.. 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.. Since Xvid is Free Software released under the GNU GPL license, you can obtain Xvid free of charge, without time or feature limitations.. Also the Xvid source code is publically available and can be reviewed by any interested programmer.. Because of this, Xvid provides many advantages also to users.. The availability of source code for programmers makes it possible to have Xvid running on many different platforms.. Also, even in the unlikely case the original Xvid programmers may discontinue development, Xvid could still be made available to new platforms or new operating systems by anyone interested  ...   Many of these applications are Free Software as well and can be used free of charge.. So there s a whole ecosystem of free tools available around Xvid that help you carry out almost any task you can imagine around digital video.. video editing and playback solutions.. Share Xvid video between all Your devices.. There s wide-spread support for Xvid video in hardware devices.. E.. g.. DVD players or portable media devices can handle Xvid video.. Also, a lot of devices come bundled with Xvid to permit the interoperable creation of content or enable playback of video on PC that has been recorded with devices such as digital video recorders or digital cameras, camcorders or mobile phones.. Award winning picture quality.. While you can obtain Xvid free of charge, the quality of the codec is outstanding and surpasses that of competing, expensive products.. The Xvid encoder has won several awards and has been found in independent tests to provide superior picture quality and more efficient video compression than any other comparable video codec.. Amazing speed.. Next to delivering great quality video, Xvid is also very fast both for de- and encoding.. Special optimizations also for the very latest features of PC processors like hyperthreading, dual-core or SSE3 instruction set guarantee high-performance video playback and creation.. At home.. Due to its speed, high-definition video compressed with Xvid can be easily played back on today s PCs or PAL video from e.. a TV card can be captured in real-time using the Xvid codec.. A major strength of Xvid is the premium picture quality it delivers, especially for offline, multi-pass compression.. Therefore, the Xvid codec is ideal for archiving home video on DVD or CD.. Consequently, many digital cameras or DVD players come bundled with the Xvid codec today.. On the road.. The Xvid profiles also permit the interoperable creation of compressed video for use in hardware devices like personal media players and mobile phones.. Using Xvid, several hours of video can be squeezed onto a USB stick in order to watch video on a portable device on the road.. On the network.. Besides storage and archival purposes, Xvid is also always useful where video shall be transmitted over a network, e.. in case you want to share one of your videos with your friends via the internet.. Compressing such video with Xvid dramatically reduces download times and expensive traffic while retaining high quality..

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  • Title: Xvid.org: Interoperability
    Descriptive info: Interoperability.. Intro.. Profiles.. Profile Features.. MPEG-4 video has become rather popular recently and millions of video enthusiasts worldwide encode their home video with MPEG-4 compatible video codecs.. Xvid permits the creation of MPEG-4 compliant video and has received wide-spread adoption in applications and among users due to its open-source nature and unrivalled picture quality it provides.. The MPEG-4 standard defines many different coding tools and compression features.. The Xvid codec supports many such features, including also more advanced features like e.. quarterpel motion compensation.. Many other popular MPEG-4 encoders support just less MPEG-4 features than Xvid and especially often lack the more demanding advanced features.. A similar situation can be observed for hardware playback devices like DVD players, portable media players or mobile phones.. Most devices do not support the more demanding MPEG-4 coding tools and hence provide just very limited compatibility to Xvid.. To enable a distinction between devices with poor and those with excellent Xvid support, the Xvid certification program has been established.. It defines interoperability profiles for different use-cases and  ...   profiles have been introduced to Xvid.. The profiles cover all the features typically employed in the respective application scenario and feature many advanced coding tools like quarterpel motion compensation or custom quantization matrix (CQM).. Four main profiles are defined that differ with regard to supported coding tools and allowed maximum image resolutions:.. The.. Xvid mobile.. profile is least demanding and permits the creation of video for devices with smaller displays like mobile phones.. Xvid portable.. profile is targeted towards use with portable media player devices or web tablets and supports video up to VGA resolution.. Xvid home.. profile is designed for use with home video devices and set-top boxes up to PAL/D1 resolutions.. Xvid highdef.. profile has been defined for video compression at HD resolutions.. Max Resolution.. 352x240x30fps.. 352x288x25fps.. 720x480x30fps.. 720x576x25fps.. 1280x720x30fps.. 1920x1080x.. 30fps.. Max Bitrate.. 1 334 850.. 4 854 000.. 9 708 400.. 20 480 000.. Max B-frames.. 5.. Quarterpel.. Yes.. Quantization method.. H.. 263/ MPEG/ CQM.. Adaptive Quantization.. 4MV Mode.. Interlaced Coding.. No.. Pixel Aspect Ratio (PAR).. 1:1.. 1:1, 4:3, 16:9..

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  • Title: Xvid.org: Downloads
    Descriptive info: Downloads.. Windows (x86 and x64).. Linux.. Notice.. Always the latest versions of the Xvid codec for Windows including GUI frontends (Video for Windows (VfW) and DirectShow filters) packaged as a neat Windows installer can be found at:.. Xvid for Windows (Mirror 1).. Xvid for Windows (Mirror 2).. Many different Linux distributions are available today with rather different features and characteristics.. Xvid should run on all of them but binary packages are not maintained for all.. Actually, it is rather easy to compile the Xvid source packages under Linux, therefore just few selected Linux distributions are covered here:.. Xvid for SuSE Linux.. Xvid for  ...   code distribution has the advantage that it is platform-independent and is suitable for many different operating systems and hardware architectures.. Making Xvid usable for a specific platform requires compiling the source codes for this platform and integrating the Xvid codec into a operating system dependent software framework.. Xvid can be compiled for many platforms and luckily appropriate binary installer packages are maintained by third parties.. A (very) incomplete list of links to binary installers for some popular platforms is provided below.. Looking for an application to view or encode Xvid compatible video?.. Please take a look at our.. link section.. to find out more..

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  • Title: Xvid.org: FAQ
    Descriptive info: FAQ.. General Questions.. Interoperability Questions.. What is Xvid?.. Xvid is a MPEG-4 video codec for PC.. Its purpose is to compress video in order to allow for faster transmission over computer networks or for more efficient storage on computer disks.. Xvid removes information from video that is not important for human perception in order to achieve very high compression rates while still keeping very good visual quality.. As an example: uncompressed digital video is huge and takes up about 100 GB HD space per hour at PAL resolution.. The same video would require just 500 MB per hour when compressed with Xvid at high quality.. So Xvid can compress video at ratios of 200:1 and more.. Why should I use Xvid?.. There are a number of reasons that may make using Xvid an interesting option for you.. Xvid is Free software, can be obtained free of charge and is shipped together with many hardware devices.. While being free, it offers outstanding quality and performance clearly surpassing expensive, competing products.. Xvid allows you to create video for interoperable exchange with portable or home multimedia devices as Xvid is widely supported in hardware.. Being open-source, Xvid is future-proof and secure to use.. Is Xvid better than product X?.. That s hard to tell.. Rating the picture quality of video codecs is often rather subjective and a matter of personal taste.. So you should trust your own eyes, test for yourself and use what you like best.. How much does it cost?.. Xvid is Free Software and published under the GNU GPL license.. That means it can be obtained free of charge.. No feature-limited version, no restricted testing period, no nothing.. Is there spyware or adware included in my Xvid installation?.. No, absolutely not.. Xvid is free of spyware, adware or the likes.. And since Xvid is open-source software,  ...   use Xvid in Quicktime is there a plugin available?.. There s a Xvid quicktime plugin available but it s been created for Mac and is not well maintained at the moment.. We re currently working on improved Quicktime support, which will become part of the Xvid core code base.. Where can I download a Xvid binary for my platform?.. Have a look at the download section for more information.. Does Xvid support interactivity features like menus or subtitles?.. Not the Xvid codec itself.. But there are free third-party tools available that permit enhancing Xvid files by interactive menus or subtitles.. Take a peek at the link section.. Xvid was on the driver CD of a hardware device I recently bought why?.. A lot of video-capable devices support either playback of Xvid video or can record to a Xvid compatible format.. many digital cameras have recording functionalities that create Xvid videos.. Such devices are often bundled with the Xvid codec to permit users interoperable exchange of videos between their hardware device and home PC.. There s a Xvid logo on my device what does that mean?.. If you see one of the Xvid profile logos on a device it means that the device is Xvid certified and complies to the respective profile specification.. Such devices have been verified to feature highest compatibility to the Xvid codec and meet up the high Xvid quality standards.. Which devices are compatible to Xvid and what image resolutions do they support?.. Keep an eye out for hardware devices that feature the Xvid profile logos.. Those devices have been verified to be compatible with the Xvid profiles and to meet up the Xvid quality standards.. The maximum supported resolutions of such devices depend on the Xvid profile they conform to.. Please refer to the Xvid profile definitions for a more detailed overview..

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  • Title: Xvid.org: Software
    Descriptive info: Links.. Software.. Video Playback.. Video Editing.. MPlayer.. MPlayer, a very popular movie player for Linux published under GPL.. Available also for other platforms.. VLC Player.. Open-source cross-platform media player.. Xvid component for QuickTime.. QuickTime extension to play encode XviDs.. VirtualDub.. VirtualDub, a video capturing/editing app for Windows published under GPL.. AutoGK.. Auto Gordian Knot, a useful tool for encoding to Xvid under Windows..

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  • Title: Xvid.org: Project Info
    Descriptive info: Xvid Codec.. Project Info.. Overview.. Goals.. Features.. Participation.. Xvid is an open-source research project focusing on video compression and is a collaborative development effort.. All code is released under the terms of the GNU GPL license.. The Xvid video codec implements MPEG-4 Simple Profile and Advanced Simple Profile standards.. It permits compressing and decompressing digital video in order to reduce the required bandwidth of video data for transmission over computer networks or efficient storage on CDs or DVDs.. Due to its unrivalled quality Xvid has gained great popularity and is used in many other GPLed applications, like e.. Transcode, MEncoder, MPlayer, Xine and many more.. Xvid has been created to promote the adoption of open standards, namely MPEG-4 video, and to permit the interoperable creation and exchange of digital video between different software applications and a wide range of devices.. A major goal of the project is to further trigger the creation of GPLed applications and to support the Free Software movement.. Hence, the Xvid source code is published under the terms of the GNU General Public License, which requires that combined and derived works must be distributed as a whole under the GPL again.. By sharing our research results and providing the source code of Xvid, we aim at creating a platform for students and interested engineers to exchange their visions and ideas.. The Xvid project is targeted at further stimulating science and research in the area of digital image and video processing.. In result, Xvid has become subject of university lectures and is also covered by scientific research papers from all over the world.. Since being founded in 2001, the Xvid project focuses on MPEG-4 video compression.. Early Xvid versions (0.. 9.. x) implemented MPEG-4 simple profile (SP) de- and encoding.. The Xvid 1.. 0 source tree introduced MPEG-4 advanced simple profile (ASP) compression including all advanced coding tools like B-frames, quarterpixel motion compensation and GMC.. The most outstanding feature of Xvid  ...   Windows and Linux such as MPlayer or Transcode.. Summary.. MPEG-4 Video Codec library.. SP/ASP de-/encoding support.. Open-source software released under GPL license.. Optimized for highest picture quality and archival purposes.. Primary platform PC (Windows and Linux).. High-performance due to extensive assembly optimizations.. The Xvid project has been thought of and invented by Michael Militzer in 2001.. Since then, the Xvid code base has been further developed by a core team of four to six engineers who have developed all the Xvid key features as well as plan and design the Xvid structure and interfaces.. The Xvid project receives spontaneous contributions from developers from all over the world, whereas these usually consist of bug fixes or ports of the Xvid code base to a new software framework or hardware platform.. Your contribution to the Xvid project is very welcome! Developers interested in working with the Xvid code base should have a look at some of the material listed in the.. links.. section.. This information provides a good overview about the theoretical background of the video compression methods underlying the Xvid project.. Everyone interested in seriously taking part in Xvid development needs a solid background knowledge on video processing.. Important information on the algorithms created as part of Xvid or the structure of the Xvid code base are described in Xvid documentation.. Latest tarballs with the Xvid source code can be found in the.. download.. As an interested developer or potential new contributor you should join the xvid-devel.. mailinglist.. Here, you can discuss your ideas with the Xvid core developers and many other knowledgeable fellow programmers.. Also, you should post your contributions or bug fixes as a patch against latest cvs code there for review.. Developer Downloads.. 2 source code.. Xvid daily snapshot.. Codec Voting.. Should Xvid be more easy to use for video streaming in a home network or the web?.. Yes, that would be great.. No, I want only local file playback.. I don't know..

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  • Title: Xvid.org: Mailinglists
    Descriptive info: Developer Tools.. Mailinglists.. Xvid-devel Developer Mailinglist.. Xvid-cvslog CVS-Log Mailinglist.. About Xvid-devel.. To see the collection of prior postings to the list, visit the.. Xvid-devel Archives.. Using Xvid-devel.. To post a message to all the list members, send email to.. xvid-devel@xvid.. org.. You can subscribe to the list, or change your existing subscription, in the sections below.. Subscribing to Xvid-devel.. Subscribe to Xvid-devel by filling out the following form.. You will be sent email requesting confirmation, to prevent others from gratuitously subscribing you.. This is a hidden list, which means that the list of members is available only to the list administrator.. Your email address:.. You may enter  ...   valuable password.. as it will occasionally be emailed back to you in cleartext.. If you choose not to enter a password, one will be automatically generated for you, and it will be sent to you once you've confirmed your subscription.. You can always request a mail-back of your password when you edit your personal options.. Once a month, your password will be emailed to you as a reminder.. Password:.. Confirm password:.. Would you like to receive list mail batched in a daily digest?.. No.. About Xvid-cvslog.. Xvid-cvslog Archives.. Using Xvid-cvslog.. Xvid-cvslog is a read-only list.. Subscribing to Xvid-cvslog.. Subscribe to Xvid-cvslog by filling out the following form..

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  • Title: Xvid.org: Downloads
    Descriptive info: You can read a more detailed description of the changes in the ChangeLog file available in the top directory of the inflated sources tarball.. xvidcore-1.. tar.. gz.. bz2.. zip.. Xvid cvs snapshot, zipped together daily at 0:00 CET.. Warning: This code might not work or not even compile at all!.. xvid_latest..

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  • Title: Xvid.org: FAQ
    Descriptive info: Codec Development.. App Development.. License Questions.. Is there documentation about Xvid and its algorithms?.. It s always in progress.. Have a look at the doc files that come with the Xvid source package.. The Xvid source code is also well commented.. How should I start if I want to work on the codec and join the dev team?.. If you seriously want to work on the codec you ll first need some background knowledge on block-based video compression.. Have a look at the Links section for a list of links to useful information.. Once you feel you have a solid background you should download and study the.. Xvid sources.. and have a peek at the more Xvid specific documentation.. You should also subscribe to the xvid-devel.. mailing list.. where you can discuss your ideas with other Xvid developers or post your contributions.. I have problems compiling the asm files what to do?.. Make sure you have the latest version of nasm installed for your platform:.. http://nasm.. sourceforge.. net.. If you still get experience and you try to compile for a rather new platform you may require the latest cvs version of nasm or should try yasm instead.. http://www.. tortall.. net/projects/yasm/.. If both doesn t help you should report your problem at.. Are there instructions available how to compile Xvid with my compiler?.. Have a look at the install readme file that comes along with Xvid.. It describes how to use the Xvid build scripts to compile Xvid with gcc under Linux or MinGW/CygWin.. Xvid can also be compiled with Microsoft Visual C++ compiler using the provided project files included in the build directory.. For other compilers you re pretty much on your own.. It should be not very difficult however to make the code compile with a different compiler.. The DirectShow filter doesn t compile.. I m getting lots of errors what to do?.. Make sure you have the DirectX SDK installed on your development host including the DirectShow SDK.. Xvid s DirectShow filter has been developed using DirectX 8 SDK but also successfully compiled with DirectX 9 and DirectX 10 SDKs.. I ve compiled Xvid for a new platform but it runs very slow what can I do?.. First of all: processing digital video is a very demanding task and requires magnitudes more resources than e.. audio processing.. So it s probably not concerning at all when Xvid, especially the encoder, doesn t run very fast on your platform.. If you really believe it s running slower than it could then the cause could be that Xvid s assembly optimizations are not used on your platform.. A common reason is that your target platform uses a unsupported instruction set so that no proper assembly optimizations are available.. In this case you could try writing optimized code for your platform yourself if you wish to speed up the performance.. Typical bottlenecks for video decoding are iDCT, motion compensation, dequantization and mem I/O.. For encoding, calculating the sum of absolute differences (SAD) is a very commonly called function requiring lots of computational resources.. How can video quality be further improved?.. Mainly, picture quality depends on the quality of decisions taken by the encoder.. Such decisions include finding good motion vectors and modes for each macroblock, determining coding types for slices and quantization parameters for macroblocks and slices.. Hence, picture quality is mainly influenced by motion estimation algorithms, R-D optimizations and rate-control.. If you re interested in improving video quality, you should have a look at these algorithms and try out your new ideas.. How can I interface with Xvid?.. That depends on the platform you develop your application for.. On all platforms, you can statically or dymically link against the xvidcore library and interface through the Xvid API (refer to xvid.. h API header in your copy of xvid source code).. Under Windows, you could also access Xvid via Video for Windows (VfW) or DirectShow interfaces.. Under Linux, Xvid has been integrated into MPlayer/MEncoder, Transcode or GStreamer architecture.. So your application could interface with Xvid also through these frameworks.. What s the preferred interface for my application?.. That depends on your application and your goals and requirements.. Interfacing through Xvid API provides you the biggest flexibility and platform independence.. You could port your application easily to a new operating system and would just have to recompile the xvidcore library.. Access through other interfaces are OS dependent.. So Video for Windows access will only work under windows but could make things simpler and allows you to more easily support also other codecs besides Xvid.. Is there a API documentation available?.. Yes, but always in progress.. Watch out the documentation section.. What are the best settings to use for my applications?.. That depends and cannot easily be answered.. It depends on the intended use of your application.. if you aim at live broadcast of video, selecting the two-pass mode won t make any sense for you.. In general, you should select one of the predefined profiles that comes closest to your use-case and adapt the settings from there.. Have a look at the xvid.. h API header file and the API docs for more info on the Xvid de- and encoder options.. How can I learn more about what the settings/API options mean and what effect they have?.. Read the API description.. Also, have a look at the example applications as a reference on how the API can be used and on what  ...   seen others distributing Xvid with their proprietary software too so why don t you simply release it under BSD license? If you don t I will distribute it with my proprietary program nonetheless!.. A key goal of the Xvid project is to trigger the further creation of Free, GPLed software.. Consequently, Xvid is released under the terms of the GPL to allow free distribution and combination with other GPLed source code and.. only.. GPLed code.. Hence, we will not publish the Xvid source code under any other open-source license.. It is true that (as with everything in life) there are violators who don t respect copyright and the GPL license.. But violations are prosecuted by the copyright holders.. If you choose to violate the GPL on purpose you will realize soon enoogh that illegitimate distribution of Xvid will get you into trouble.. Is it allowed to use Xvid together with MS Media Player?.. Usage.. , so the act of running a program, is not restricted by the GPL license under which Xvid is published.. So you can use Xvid with whatever other program you want.. Just distribution of Xvid together with proprietary software is restricted.. Refer to the GPL license text for detailed information.. Can I distribute Xvid on my media/video CD?.. Yes, you can - provided it s really just a media CD and you don t intent to distribute Xvid together with a proprietary application, like e.. a player.. If you distribute Xvid, make sure to fulfil the requirements of the GPL, which means e.. to also distribute a copy of the GPL along with Xvid.. In case you want to distribute a binary version of Xvid, you should also add a copy of the corresponding Xvid source code with your distribution.. What should I do if I want to distribute Xvid as a separate package under GPL?.. You should comply to the requirements of the GPL for distribution.. That s e.. including a copy of the license text and providing a copy of the corresponding Xvid source code in case you distribute a binary version.. Can I port to and distribute Xvid with my embedded device?.. That depends.. You can port the Xvid code for sure without requiring any specific license or being limited by obligations from the GPL.. You are permitted to make modifications to the Xvid code and also the act of running the program is not restricted by the GPL, so you could e.. present or demo your port internally.. As soon as it comes to distribution, you should be aware that all modules you distribute together with Xvid intended for use in combination will be a derived work and covered by the terms of the GPL as a whole.. So e.. if you want to distribute a software player that uses Xvid upon run-time for video playback it will be covered as a whole by the GPL.. That means that the player application and all other modules (like e.. other video decoders, demuxers or audio codecs) must be distributed under the terms of the GPL as well.. If you can meet these requirements you'll be able to distribute hardware/software together with Xvid.. If you cannot or are unsure write us at.. info@xvid.. and let's dicuss your project.. Can I link and distribute Xvid together with another GPLed application or Linux?.. Oh yes, you can.. Xvid was created to be used in other GPLed applications.. Just make sure that the app or package you intend to distribute is really licensed as a whole under the GPL or a compatible license (like LGPL).. Sometimes, parts of an application are published under a different, incompatible license.. This could then pose a problem for combined distribution.. If in doubt ask at.. What are the requirements for my program if I release it under GPL too?.. If you decide to release your program under GPL it will mean to provide access to the full source code of your program.. It also means recipients will be granted a right to redistribute your program, to make modifications or to create a new work based on your program.. For more information please read the GPL license text and visit.. gnu.. Can I use the Xvid encoder to create video for my website or for my computer game? Or does it require paying a license fee?.. The GPL does not restrict the act of running a program.. Hence, you can certainly use the Xvid encoder to create video for whatever purpose.. As long as you don t distribute Xvid or parts of Xvid source code you won t be running into any problems with the GPL license and you also don t need to ontain any additional license from us.. Can I freely distribute videos created with Xvid or is such video also covered by the GPL?.. Yes, you can.. The output or result from running a program is not covered by the GPL license.. Hence, videos created with the Xvid encoder are not subject to the terms of the GPL.. Note however that you of course can only distribute videos where you hold the copyrights or where you have permission to distribute from the copyright holders.. But that has nothing to do with Xvid and should go without saying.. Can you release Xvid under LGPL? We ll make you big then.. No, thanks.. We re happy the way things are, so we won t switch to another open-source license than GPL..

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  • Title: Xvid.org: Links
    Descriptive info: Links.. Background Info.. Related Projects.. ITTF.. ISO/IEC Information Technology Task Force.. Two-pass MPEG2 variable bit-rate encoding.. A must-read two-pass encoding doc.. CiteSeer.. IST.. Computer and Information Science Papers CiteSeer Publications Research Index.. Very popular movie player project.. Released under GPL.. Xine.. Multimedia library and player.. GStreamer.. Multimedia Framework for Linux.. Released under LGPL.. Transcode.. A set of encoding utilities, e.. useful for capturing.. MPEG4IP.. Tools for streaming audio and video.. Released under numerous licenses..

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