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The Wayback Machine - http://web.archive.org/web/20130512131013/http://en.wikipedia.org/wiki/Lagarith

Lagarith

From Wikipedia, the free encyclopedia Jump to: navigation, search

VfW configuration dialog of Lagarith video codec

Lagarith is an open source lossless video codec written by Ben Greenwood.^[1] It was designed and written with a few aims in mind:

Speed: while not as fast as Huffyuv, it still outperforms most other lossless video codecs when it comes to encoding times,^[2]^[3] although decoding speed may be slower. Recent versions also support parallelizing on multi-processor systems.
Color-space support: color-space conversions can cause rounding errors, introducing data loss, contrary to the ideal of lossless video compression. Lagarith attempts to avoid this problem by supporting YV12, YUY2, RGB, and RGBA colorspaces.
Keyframes: disallowing inter-prediction means that each frame can be separately decoded. This makes cutting, joining and seeking much easier.

These three things, as well as being more efficient at compression than Huffyuv, make it a codec useful for the video editing stage.

External links [edit]

References [edit]

^ Biebeler, R. Video-codecs. p. 60.

^ "Lossless Video Codecs Comparison 2007".

^ "Design and Performance Evaluation of some Conditional Replenishment Schemes for Video".

Multimedia compression and container formats

Video
compression

ISO/IEC	MJPEG Motion JPEG 2000 MPEG-1 MPEG-2 Part 2 MPEG-4 Part 2/ASP Part 10/AVC MPEG-H Part 2/HEVC

ITU-T	H.120 H.261 H.262 H.263 H.264 H.265

Others	Apple Video AVS Bink CineForm Cinepak Dirac DV FFV1 Huffyuv Indeo Microsoft Video 1 MSU Lossless Lagarith OMS Video Pixlet ProRes 422 ProRes 4444 QuickTime Animation Graphics RealVideo RTVideo SheerVideo Smacker Sorenson Video, Spark Theora Uncompressed VC-1 VC-2 VC-3 VP3 VP6 VP7 VP8 VP9 WMV XEB YULS

Audio
compression

ISO/IEC	MPEG-1 Layer III (MP3) MPEG-1 Layer II Multichannel MPEG-1 Layer I AAC HE-AAC MPEG Surround MPEG-4 ALS MPEG-4 SLS MPEG-4 DST MPEG-4 HVXC MPEG-4 CELP USAC

ITU-T	G.711 G.718 G.719 G.722 G.722.1 G.722.2 G.723 G.723.1 G.726 G.728 G.729 G.729.1

Others	ACELP AC-3 AMR AMR-WB AMR-WB+ ALAC Asao ATRAC CELT Codec2 DRA DTS EVRC EVRC-B FLAC GSM-HR GSM-FR GSM-EFR iLBC iSAC Monkey's Audio TTA True Audio MT9 A-law µ-law Musepack OptimFROG Opus OSQ QCELP RCELP RealAudio RTAudio SD2 SHN SILK Siren SMV Speex SVOPC TwinVQ VMR-WB Vorbis VSELP WavPack WMA

Image
compression

ISO/IEC/ITU-T

Others

Containers

ISO/IEC	MPEG-PS MPEG-TS ISO base media file format MPEG-4 Part 14 Motion JPEG 2000 MPEG-21 Part 9

ITU-T	H.222.0 T.802

Others	3GP and 3G2 AMV ASF AIFF AVI AU Bink DivX Media Format DPX EVO Flash Video GXF IFF M2TS Matroska MXF Ogg QuickTime File Format RatDVD RealMedia REDCODE RIFF Smacker MOD and TOD VOB, IFO and BUP WAV WebM

See Compression methods for methods and Compression software for codecs

Data compression software

Archivers with
compression
(comparison)

Free software	7-Zip Ark File Roller FreeArc Info-ZIP KGB Archiver PAQ PeaZip The Unarchiver (decompression only) tar UPX Xarchiver Zipeg

Freeware	Filzip IZArc LHA StuffIt Expander (decompression only) TUGZip ZipGenius Bandizip

Commercial	ARC ALZip ALZip for Mac Archive Utility ARJ BetterZip JAR MacBinary PKZIP/SecureZIP PowerArchiver StuffIt WinAce WinRAR WinZip

Lossless data
compression^*

Free software

Audio
compression
(comparison)

Lossy

Lossless

Video
compression
(comparison)

Lossy

MPEG-4 ASP	3ivx DivX Nero Digital FFmpeg HDX4 Xvid

H.264 / MPEG-4 AVC	CoreAVC Blu-code DivX FFmpeg Nero Digital QuickTime x264

Others	CineForm Cinepak DNxHD Helix DNA Producer Indeo libavcodec Schrödinger (Dirac) SBC Sorenson VP7 libtheora libvpx Windows Media Encoder

Lossless

FFV1
Huffyuv
Lagarith
MSU Lossless
YULS

^* Non-archiving
See also: compression methods and compression formats

Retrieved from "http://en.wikipedia.org/w/index.php?title=Lagarith&oldid=549573178" Categories: ●Video codecs ●Lossless compression algorithms

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Lagarith

External links [edit]

References [edit]

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