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Ut Video Codec Suite |
Ut Video Codec Suite is a lossless video codec for Windows, which is implemented as a VCM codec (also called "VfW codec"). YUV an RGB lossless.
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Free software  Win  Mac  Released: Size:500kB |
10.0/10
5 votes |
Read 5 comments 1978 views this month 5475205 total views |
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Latest version: 11.1 (May 13, 2012) Download sites: Visit developer's site More download options: Download Mac version (direct link) Supported operating systems: Windows Mac OS
Sections/Browse similar tools: Codecs, MacOS video tools |
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User options: Email me when it has been updated Report this tool (dead link/new version) Version history:
Version 11.1.0 Hide changelog Performance Improvements (Mac) Add assembly language version of colorspace conversion routine from RGB to ULY2. Common: Speed up decoding a little. Common: Speed up encoding on x64 about 10% Others (Mac) encoded size becomes a little smaller by omitting unnecessary media sample flags. Version 11.0.0 New features Add QuickTime encoder components for Mac OS X. Encoding from RGB24/ARGB32 are supported. ULY2 is not very fast. Bug fixes ULY2: QuickTime decoder may output corrupted data in case of certain width of video and output buffer. Version 10.2.4 Others (Windows) Installer now displays "before-install" notice. (Mac) Report more apropreate codec name to QuickTime. Version 10.2.3 Bug fixes (Windows) When setting codec configuration to VCM codec object, it returns failure even though it is successful. Others (Windows) Add "last-resort" .reg file for install troubleshooting. Version 10.2.2 Bug fixes (Windows) Registration of x86 VCM codec is failed on Vista/XP x64. Version 10.2.1 Others (Windows) Installer is now Inno Setup based. Single installer is available for both x86 and x64 windows. Version 10.2.0 Performance Improvements (Mac) Add assembly language version routine. Now as fast as Windows version. Version 10.1.0 Performance Improvements (Mac) Support multithreading. Version 10.0.3 Bug fixes (Windows) Did not check width and height of input/output equal. Version 10.0.2 Bug fixes (Windows) Decoder rarely cashes. Version 10.0.1 Bug fixes (Windows) If "Save configuration globally by codec itself" in "Global Configuration" is checked, codec crashes at initialization. Others (Mac) Changed base SDK from 10.6 to 10.5 Version 10.0.0 New features Add QuickTime components for Mac OS X. Decoding to RGB24/ARGB32 are supported. Very slow. Others Input/output format checking is more accurate. Version 9.0.3 Bug fixes ULY2: DMO encoder does not accept the format that is suggested by itself when the input format is not RGB24/32. ULY0: DMO encoder does not accept the format that is suggested by itself when the input format is not RGB24/32. Others DMO encoders and decoders now does not check some part of input/ouput formats. Version 9.0.1 Bug fixes DMO decoder returns inconsistent formats when enumerates output formats. Version 9.0.0 New features Add DMO decoder. Version 8.5.2 Bug fixes * Codec cannot be used via VCM interface because utv_vcm.dll is installed to wrong directory. Version 8.5.1 Bux fixes * ULY2: Encoder may crushes and/or video may be broken when encoded from RGB (x64) Others * Extract VCM interface from utvideo.dll, into utv_vcm.dll. Version 8.5.0 Performance Improvements * common: Speed up decoding (x86) about 10%. * common: Speed up decoding (x64). Almost fast as x86 version. Version 8.4.0 Performance Improvements * ULRG: Speed up decoding "Predict left" video to RGB24 and RGB32. 14% for x86, 6% for x64 (if Core 2). * ULRA: Speed up decoding "Predict left" video to RGBA. 17% for x86, 6% for x64 (if Core 2). Version 8.3.0 Performance Improvements * ULY2: Speed up decoding. About 12% if Core 2. * ULY0: Speed up decoding. About 5% if Core 2. Version 8.2.1 Others * ULY2: For the safety, set 255 to the field that might be interpreted as alpha channel when decoding. * ULY0: For the safety, set 255 to the field that might be interpreted as alpha channel when decoding. Version 8.2.0 Performance Improvements * common: Speed up decoding. 20-30% for x86, 20-40% for x64 (if Core 2). Version 8.1.0 New features * Encoder is now able to save configuration globally by encoder itself. * Encoder is now able to ignore setting of cofiguration from codec client (e.g. editing software). Version 8.0.0 New features * Add DMO codec. Version 7.1.1 Others * Register DLL file with full path name. Version 7.1.0 Performance Improvements * Fix significant performance decrease in Athlon/Phenom-series processors. Version 7.0.4 Others * Changed the way to register codecs again. Version 7.0.3 Others * Changed the way to register codecs. Version 7.0.2 Others * x86 version installer is now unable to be installed to x64 Windows. * Modified some text. Version 7.0.1 Bug fixes * x64 version installer does not register DLLs properly on some OS environment. Others * Shorten display names of codecs. Version 7.0.0 New features * Add x64 version. Both x64 version DLL and x86 version DLL are included in x64 version installer. Others * DLL is now installed under System32/SysWOW64 directory instead of Program Files directory. Version 6.1.0 New features * common: Add option to set frame divide count to # of logical processors. Version 6.0.2 Others * Fix packaging. Version 6.0.1 Others * DLL is now statically-linked instead of dynamically-linked. Version 6.0.0 New features * common: Add support for interlace video. Bug fixes * ULY0: Codec may crash if video's height is greater than its width. Version 5.3.1 Bug fixes * ULY0: fixed frame dividing method. Version 5.3.0 New features * ULY0: Add support for YUY2 input when encoding. (but low speed) * ULY0: Add support for YUY2 output when decoding. (but low speed) version 5.2.3 Bug fixes * common: rarely outputs broken frame when encoding. Version 5.2.2 Others * Fix packaging. Version 5.2.1 Others * Fix packaging. Version 5.2.0 New features * ULY2: Add support for RGB32 input when encoding. * ULY0: Add support for RGB32 input when encoding. (but low speed) * ULY0: Add support for RGB32 output when decoding. (but low speed) Version 5.1.2 Others * Fix packaging. version 5.1.1 Bug fixes * ULY0: Size (number of bytes) of image may not be set correctly when decoding. This bug exists only in ULY0. Version 5.1.0 New features * ULY0: Add support for RGB24 input when encoding. (but low speed) * ULY0: Add support for RGB24 output when decoding. (but low speed) Version 5.0.0 New features * Add codec for YUV420 (FOURCC: ULY0). Others * Switch default prediction mode to "Predict left". * ULY2: Width now must be multiple of two. Version 4.1.0 Performance Improvements * common: Speed up encoding just a little. * common: Speed up decoding just a little. Version 4.0.2 Others * ULRG: For the safety, set 255 to the field that might be interpreted as alpha channel when decoding. * Common: Set input effective bit count to output biBitCount field when encoding. Version 4.0.1 Others * Fix packaging. Version 4.0.0 New features * Add codec for RGBA (FOURCC: ULRA). Version 3.8.0 New features * common: Add "Predict left" intra-frame prediction method. According to my measurement, compared to existing implementation ("Predict median"), approximately same encoding speed, 10% lower compresstion ratio (10% larger file size) and 50% faster decoding speed (30%+ shorter decoding time). Version 3.7.0 Performance Improvements * common: Speed up decoding. 9% if Core 2. * ULY2: Speed up encoding from RGB24. 9% if Core 2. Version 3.6.0 Performance Improvements * ULY2: Speed up encoding from RGB24. 42% if Core 2. Version 3.5.0 New features * ULY2: Add support for RGB32 output when decoding. Assembly language version is also available. Bug fix * ULY2: When encoding from RGB24, trash appears on right edge if width is not multiple of four. Version 3.4.0 New features * ULY2: Add support for RGB24 input when encoding. (but low speed) Bug fixes * ULY2: Output vertically flipped frames on some environment when decoding to RGB32, because of ignorance of sign of biHeight. Version 3.3.1 Bug fixes * Common: Encoder crashes with some video editing and/or capture software. Others * Changed title string of configuration dialog. * Add version string to "About" dialog. Version 3.3.0 Performance Improvements * Common: Speed up decoding. 20% if Core 2. * Common: Speed up encoding. 8% if Core 2. * ULY2: Speed up decoding to RGB32. 47% if Core 2, including preceding common speedup. Bug fixes * Common: Do not output error though starting encoding/decoding with format that cannot be processed. Version 3.2.0 New features * ULY2: Add support for RGB32 output when decoding. (but low speed) Bug fixes * ULRG: fixed frame dividing method. Due to this fix, ULRG lost compatibility if frame divide count is not 1. Version 3.1.0 New features * ULY2: Add support for YUYV, YUNV, UYVY, UYNV, YVYU and VYUY. * ULRG: Add support for RGB32. Buf fixes * ULRG: WMP crashes for ULRG-encoded files. Version 3.0.0 * Add codec for RGB (FOURCC: ULRG). Version 2.2.0 * Replaced many routines with assembly language version. Version 2.1.0 * Add support for multithreading. Version 2.0.0 * Process frames after divided into bands. Version 1.1.3 First public release
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Best lossless codec. Way faster than Lagarith.
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Excellent for editing video losslessly for later encoding. I like this much better than Lagarith or Huffyuv.
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Awesome tool! Fast and stable, no fire-and-forget program, developer updates regularly, which makes this one a true little gem.
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Definitely one of the best lossless codecs. It is efficient, fast, supports multithreadding and runs absolutely stable. And even better: It still improves, because the developer heavily optimizing his code.
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I've been using it for well over a year now, & haven't found anything better for HD intermediates [i.e. for storing/transferring video between operations &/or apps before final, lossy encoding]. Every mjpeg codec tried works OK at DVD rez, but falls down with heavy quality loss for HD, & I've had compatibility prob with Sony & Avid codecs intended for HD. UT Video just works, works with every app I've tried, & works well across 7 ult 64 & XP Pro SP3 32. A BIG THANK YOU to the dev.
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