External filters

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Revision as of 15:11, 25 August 2013

Rough classification of filters (in progress).

To make it easier for people to to find what they need here, the list includes both script function filters (see Import) and plugin filters (see Plugins).

A list of older plugins (for AviSynth v1.0x/v2.0x) which are still sometimes used can be found here.

A large list of filters can be downloaded here and Warp Enterprises Avisynth Filter Collection

A list of 64bit compiles can be found here and here.

Most scripts will apply filters in the following order:

Create an AviSynth clip from a video file.
Correct or remove any unwanted features in the video (e.g. dot crawl, field blending or telecine).
Denoise the video (optional).
Manipulate the video into the desired format (by e.g. changing the size and frame rate).

AviSynth filters have been classified under these four basic tasks, with a fifth category for filters that fall outside this scheme, and a sixth category for filters that process audio only.

1 Source Filters
2 Restoration Filters
3 Denoisers
4 Adjustment Filters
5 Other Filters
6 Audio Filters
7 As Yet Unclassified

Source Filters

Filter	Description	Color format	Plugin / Script	Author
BassAudio	Bass Audio decoder. Supports wav, aiff, mp3, mp2, mp1, ogg. Support for aac, ac3, alac, ape, cd, flac, midi, mpc, ofr, spx, tta, wma, wv with additional included dll's. The filter is included in the Behappy package.	N/A	Plugin x64
CMVSource	Load Dwarf Fortress CMV and CCMV movies.	RGB32	Plugin	Robert Martens
DGAVCDecode	AVC/H.264 decoder plug-in.	YV12	Plugin	Donald Graft
DGDecode	Decode MPEG1/MPEG2 streams from: DVD VOBs, captured transport streams, .mpg/.m2v/*.pva files, etc. Use this instead of MPEGDecoder/MPEG2Dec3.	YV12, YUY2, RGB24, I420	Plugin	Donald Graft
DirectShowSource2	Uses the installed Haali Media Splitter along with its avss.dll AviSynth plugin. Converts vfr files to cfr in order to support frame-accurate seeking.		Plugin
DVInfo	Grabs the timestamp and recording date info from a DV-AVI. See discussion.	N/A	Plugin	WarpEnterprises
DVTimeStampEx	Shows DV timestamp information over a DV clip.	N/A	Plugin
FFmpegSource	Decodes all ffmpeg (libavcodec) supported A/V formats with frame accurate seeking in AVI, MKV and MP4. See discussion.	RGB, YUY2, YV12, I420	Plugin	Myrsloik, TheFluff, Plorkyeran, others
HDVInfo	Grabs the timestamp and recording date info out of a M2T-D2V file	N/A	Plugin
ImageSequence	Load png, jpg, bmp, pcx, tga and gif image sequences using the Corona Image I/O Library. CoronaSequence/RawSequence.	RGB32	Plugin
Immaavs	ImmaRead uses the ImageMagick libraries to read images. Many formats are supported including animations, multipage files, image sequences and images with different sizes.		Plugin	Wilbert Dijkhof
IUF	Import Uncompressed File. Must be uncompressed! Supported uncompressed Formats: avi, omf(avid), pxr(pixar), mov(24/32bit quicktime), cineon. Can export as well. See discussion.	RGB	Plugin
MPASource	A mp1/mp2/mp3 audio decoder plugin. See discussion	N/A	Plugin	WarpEnterprises
MPEGDecoder	Load VOB/MPEG-2 ES,PS,TS/MPEG-1 files directly. (deprecated)	YV12	Plugin
MPEG2Dec	Mpeg2dec is a plugin which lets AviSynth import MPEG2 files. (deprecated)	RGB, YUY2	Plugin	Dividee and others
MPEG2Dec3	A MPEG2Dec2.dll modification with deblocking and deringing. Note that the colorspace information of dvd2avi is ignored when using mpeg2dec. See discussion. (deprecated)	RGB, YUY2, YV12	Plugin	Marc FD, Nic, Tom Barry, sh0dan and others
NicAudio	Audio Plugins for Audio: MPEGAudio/AC3/DTS/LPCM and other uncompressed formats. Formerly known As EvilMPASource. See discussion.	N/A	Plugin	Nic
OmfSource	Opens the AVID OMF file format (video only, and only works with captured files). See discussion.	YUY2, YV12	Plugin	tateu
QTSource	Quicktime Import/Export Filter using an existing installation of Quicktime 6/7. See discussion.	RGB32, RGB24, YUY2	Plugin	tateu
R3DSource	Redcode RAW source plugin to load R3D clips. See discussion.	RGB32	Plugin	Gábor Kertai
RawSource	Loads raw video data directly from files. See the initial discussion and its continuation.	RGB, YUY2, YV12	Plugin Updated with NV12 Support	WarpEnterprises, Wilbert Dijkhof and sh0dan
RawSourceMod	Loads raw video data directly from files. Further modifications (most raw formats, YUV4MPEG2 compatible with latest spec) discussion.	RGB, YUY2, YV12 (for 2.5/2.6), YV24, YV16, YV411, Y8 (for 2.6)	2.5 plugin 2.6 plugin msvcr100.dll	Chikuzen
Sashimi (function "RawReader")	Loads raw video data directly from files, similarly to RawSource, but also allows for skipping headers, and extra formats (long list to help anyone doing a search): GREY, Y8, interleaved RGB, BGR (which is RGB24), BGRA (which is RGB32), ARBG, ABGR, RGBA, interleaved YUV (which is YCbCr), YUY2, UYVY, AYUV, planar YUV formats YUV444, YUV422, YUV420 (as YV12), YUV420 (as IMC2), and some raw ImageMagick formats. Some supports for different bit-depths. Includes YUVInterleaved.avsi, InterleavedConversions.avsi, and PlanarConversions.avsi. Discussion.	RGB, YUY2, and YV12.	Plugin with scripts	PitifulInsect

Restoration Filters

These remove effects or artefacts introduced (deliberately or accidentally) into the source video. Denoisers are classified separately.

Anti-aliasing

Filter	Description	Color format	Plugin / Script	Author
AAA	Anti-aliasing filter designed for anime. See discussion.	YV12	Script	Soulhunter
AntiAliasing	Anti-aliasing script for, well, anti-aliasing. See discussion.	YV12	Script	SpikeSpiegel, Didée, mf, scharfis_brain and Soulhunter
AntiAliasRG	An anti-aliasing script that uses RemoveGrain(SSE3).dll. See discussion.	YV12	Script	Bloax
DAA	Anti-aliasing with contra-sharpening. Included in AnimeIVTC.	YV12	Script	Didée
mcDAA3	Motion-Compensated Anti-aliasing with contra-sharpening by AmjadSONY, can deal with ifade too, created because when applied daa3 to fixed scenes, it could damage some details and other issues. See discussion	YV12	Script	AmjadSONY
FAA	Faster Anti-aliasing. See [1].	YV12	Script	list
MAA	Anti-aliasing with edge masking. Included in AnimeIVTC.	YV12	Script	martino, Kintaro, thetoof
SangNom	A single field deinterlacer, can also be used for anti-aliasing. See discussion.	YV12	Plugin	Marc FD
SangNom2	rewrite of the old SangNom filter. Its output is mostly identical to the old version on default settings. which has:- 1-Correct borders processing 2-Additinal colorspace support 3-Multithreading support. See discussion.	YV12, Y8	Plugin	TurboPascal7
SAA	A simple anti-aliasing script. See discussion.	YV12	Script	Soulhunter
SharpAAMCmod	High quality MoComped AntiAliasing script, also a line darkener since it uses edge masking to apply tweakable warp sharpening, "normal" sharpening and line darkening with optional temporal stabilization of these edges. Part of AnimeIVTC. See [2] and [3]		Script	thetoof
TIsophote	A level-set (isophote) smoothing filter, see [4]	YV12	Plugin	tritical

Chroma correction

Filter	Description	Color format	Plugin / Script	Author
BT709ToBT601	Convert from BT.709 (HDTV) to BT.601 (SDTV) colorimetry.	YV12	Plugin	Tom Barry
ChromaShift	This filter will shift the chrominance information by an even number of pixels, in either horizontal direction. It can also apply an overall vertical shift of the total chrominance information, up or down. It is primarily intended to correct improper colour registration.	YV12, YUY2, RGB	Plugin	Simon Walters
ChromaShiftSP	This script can shift chroma in all directions with subpixel accuracy.		Script
ColorMatrix	ColorMatrix corrects the colors of MPEG-2 streams. More correctly, many MPEG-2 streams use slightly different coefficients (called Rec.709) for storing the color information than AviSynth's color conversion routines or the XviD/DivX decoders (called Rec.601) do, with the result that DivX/XviD clips or MPEG-2 clips encoded by TMPGEnc/QuEnc are displayed with slighty off colors. This can be checked by opening the MPEG-2 stream directly in VDubMod. See discussion.	YV12, YUY2	Plugin	Wilbert Dijkhof tritical (v2.0+)
FixChromaBleeding	Fixes area of chroma bleeding by shifting the chroma and lowering the saturation in the affected areas.	YV12	Script	Alex Jordan
ReInterpolate411	This is a fast simple filter to correct the improper 4:1:1 => 4:2:2 conversion that seems to occur with some DV/4:1:1 codes when used with Avisynth. It assumes the odd chroma pixels are duplicates and discards them replacing them with the average of the two horizontally adjacent even chroma pixels. It doesn't matter whether the clip is interlaced though it must be in YUY2 format for Avisynth 2.5. There are no parameters, and currently no readme file.	YUY2	Plugin	Tom Barry
ReInterpolate420	Usually, DV decoders upsample PAL DV (which is YV12) to YUY2 using point sampling. This plugin reinterpolates the original chroma samples.	YUY2	Plugin	Wilbert Dijkhof Fizick (v3)
MoveChroma	MoveChroma is a simple filter combination that helps in moving chroma back, if it has been displaced.		Script
FixChromaticAberration	FixChromaticAberration resizes (and crops) the red/green/blue channels of the image separately. This helps to minimize the colored edges next to the image corners that result from lenses with chromatic aberration.		Script

Debanding

Filter	Description	Color format	Plugin / Script	Author
AdaptDBMC	Luma / Fade / Blue adaptive debanding script.	YV12	Script	06_taro
GradFun2DB	DeBanding Filter. See wikipedia:Color Banding	YV12, YUY2, RGB24, RGB32	Plugin	Prunedtree
GradFunkMirror	Script that fixes GradFun2DB's bug that leaves the first 16 pixels on every border unprocessed. Needs GradFun2DB !	YV12, YUY2, RGB24, RGB32	Script	Alain2, MugFunky
GradFun2DBmod	An advanced debanding script based on GradFun2DB.	YV12	Script	LaTo
GradFun3	This debanding script, part of the Dither package, has several gradient smoothing algorithms, including a bilateral filter. It uses an ordered dithering, which has a good resilience to lossy compression.	YV12, YV16, YV24, Y8, YV411	Script	cretindesalpes
flash3kyuu_deband	Fast debanding plugin ported from AviUtl.	YV12, YUY2, YV16, YV24, Y8, YV411	Plugin	SAPikachu
LumaDB	Fast debanding filter with luma-adaptive grain and mask. Used to process luma only. See discussion.	YV12	Script	06_taro
LumaDBL	Fast debanding filter with luma-adaptive grain and mask. Used to process luma only. Works in 16-bit internally and can also input/output 16-bit. See discussion.	YV12	Script	06_taro

Deblocking

Filter	Description	Color format	Plugin / Script	Author
BlockKiller	Deblocking filter, see [5].	YV12, YUY2	Script	Jawed
BlockTerminator	Deblocking filter, see [6].	YV12, YUY2	Script	Template:Author/foxyshadis
DeBlock	Deblocking filter, see [7], [8]	YV12, YUY2	Plugin	Fizick / Manao
Deblock_QED	"A postprocessed Deblock(): Uses full frequencies of Deblock's changes on block borders, but DCT-lowpassed changes on block interiours." Didée See [9]	YV12	Script	Didée
FunkyDeBlock	Deblocking script based on BlindPP and high/lowpass separation. See discussion.	YV12	Script	Mug Funky
MDeblock	Plugin for removing block artifacts, see homepage.	YV12	Plugin	Kassandro
SmoothD	Filter to deblock frames while keeping high frequency detail. See discussion.	YV12	Plugin	Tobias Bergmann
SmoothD2	Deblocking filter. Rewrite of SmoothD. Faster, better detail preservation, optional chroma deblocking. See discussion.	YV12	Plugin	Jim Conklin
SmoothDeblock3	Slow and complex, but produces very good results - especially on severely blocky sources - in a similar manner to TempGaussMC and QTGMC. See discussion and an overall comment.	YV12	Script	redfordxx

Dehaloing

Filter	Description	Color format	Plugin / Script	Author
abcxyz	Filter to remove halos. See discussion.	YV12	Script	Didée
BlindDeHalo	Filter to remove edge enhancement artefacts. See discussion.	YV12	Script	Didée
BlindDeHalo2	Filter to remove edge enhancement artefacts. See discussion.	YV12	Script	Didée
BlindDeHalo3	Filter to remove edge enhancement artefacts. See discussion.	YV12	Script	Didée
DeHalo_alpha	Very powerful filter to remove edge enhancement artefacts. See discussion.	YV12	Script	Didée
Mask_DHA	A combination of the best of DeHalo_alpha and BlindDeHalo3, plus a few minor tweaks to the masking. See discussion.	YV12	Script	'Orum
YAHR	Basic filter with no variables to remove edge enhancement artefacts. See [10]	YV12	Script	Didée

Deringing & Mosquito Noise

Filter	Description	Color format	Plugin / Script	Author
BlindDeRing	Deringing filter.	YV12	Plugin	krieger2005
HQDering	Applies deringing by using a smart smoother near edges (where ringing occurs) only. See here and here for details.	YV12	Script	mf
MosquitoNR	A noise reduction filter designed for mosquito noise, which is often caused by lossy compression.	Y8, YV411, YV12, YV16, YV24, YUY2	Plugin	b_inary

Deinterlacing

Filter	Description	Color format	Plugin / Script	Author
Area	A port of Gunnar Thalin's VirtualDub filter "Deinterlace - area based" to AviSynth.	RGB32	Plugin	Donald Graft // Gunnar Thalin
BlendBob	Filter designed for use after a smart bob; blends every other frame with the closest matching neighbouring frame. See discussion.	YV12	Plugin	Kurt Prünner
DGBob	This filter splits each field of the source into its own frame and then adaptively creates the missing lines either by interpolating the current field or by using the previous field's data. See discussion.	RGB, YV12, YUY2	Plugin	Donald Graft
Decomb	The FieldDeinterlace filter provides functionality similar to the postprocessing function of Telecide. You can use it for pure interlaced streams (that is, those not containing telecined progressive frames). The name refers to the fact that field mode differencing is used.	YV12, YUY2	Plugin	Donald Graft
GreedyHMA	GreedyHMA is an Avisynth filter that executes DScaler's Greedy/HM algorithm code to perform pulldown matching, filtering, and video deinterlace. It has pretty much been superceded by Donald Graft's Decomb package. However there may be occasions where it sometimes gives preferable results, especially with some bad PAL clips.	YUY2	Plugin	Tom Barry
IBob	Interpolating Bob works identically to the Avisynth built-in Bob filter except that it uses linear interpolation instead of bicubic resizing. See discussion.	YV12, YUY2	Plugin	Kevin Atkinson
KernelDeint	This filter deinterlaces using a kernel approach. It gives greatly improved vertical resolution in deinterlaced areas compared to simple field discarding. Superceded by LeakKernelDeint, see the description below in this table.	RGB, YV12, YUY2	Plugin	Donald Graft
LeakKernelBob	This filter does a full framerate deinterlacing, i.e. it turn 50 fields per second into 50 frames per second. Adapted from Scharfis_brain's script of the same name.	RGB32, YV12, YUY2	Plugin	Kurt Prünner
LeakKernelDeint	This filter deinterlaces using a kernel approach. It gives greatly improved vertical resolution in deinterlaced areas compared to simple field discarding. Compared to KernelDeint, it is low-level optimized (for speed) and provides some useful new functionality. As the original author of KernelDeint() states, LeakKernelDeint() is the preferred version to use.	RGB32, YV12, YUY2	Plugin	Kurt Prünner
MCBob	Another approach to motion compensated bobbing. No residual combing, Motion Masking adaptive to local complexity, self adaptive error correction for temporal interpolation, Motion Search between fields of same parity, and spatial Interpolation overweights spatio-temporal interpolation. Is SLOW. MCBob + EEDI2 [11] MCBob + NNEDI [12]		Script	Didée
MVBob	by scharfis_brain [13]		Script	scharfis_brain
QTGMC	by -Vit- [14] A new deinterlacer based on TempGaussMC_beta2. It's faster and has a presets system for speed/quality selection. There are also several new features including progressive support and noise/grain processing. The script also contains extensive comments to better describe the settings and the workings of the TGMC algorithm.		Script	-Vit-
Securebob	type=2 or type=3. (part of MVbob) [15]		Script	scharfis_brain
SecureDeint	(part of MVbob) [16]		Script (?)	scharfis_brain
SmoothDeinterlace	by Gunnar Thalin [17]		Plugin	Gunnar Thalin
TDeint	TDeint is a bi-directionally, motion adaptive (sharp) deinterlacer. It can also adaptively choose between using per-field and per-pixel motion adaptivity. It can use cubic interpolation, kernel interpolation (with temporal direction switching), or one of two forms of modified ELA interpolation which help to reduce "jaggy" edges in moving areas where interpolation must be used. TDeint also supports user overrides through an input file, and can act as a smart bobber or same frame rate deinterlacer, as well as an IVTC post-processor. See discussion.	YUY2, YV12	Plugin	tritical
Telecide Hints	The filter process the stats file to get the usual progressive matches and identify VFR sections.		Plugin
TempGaussMC	Motion-compensated bob deinterlacer, based on temporal gaussian blurring. reduces noise/grain of the source and does NOT leave the original fields unchanged. Output is rich with details and very stable. Is SLOW	YUY2, YV12	Script	Didée
TomsMoComp	This filter uses motion compensation and adaptive processing to deinterlace video source (not for NTSC film). See discussion.	YUY2, YV12	Plugin	Tom Barry
Yadif	Port of YADIF (Yet Another DeInterlacing Filter) from MPlayer by Michael Niedermayer (http://www.mplayerhq.hu). It check pixels of previous, current and next frames to re-create the missed field by some local adaptive method (edge-directed interpolation) and uses spatial check to prevent most artifacts.	YUY2, YV12	Plugin	Fizick
Yadifmod	Modified version of Fizick's avisynth filter port of yadif from mplayer. This version doesn't internally generate spatial predictions, but takes them from an external clip. It also is not an Avisynth_C plugin (just a normal one).	YUY2, YV12	Plugin	tritical
TomsBob	We've asked Tom to include a proper 60fps deinterlacer in his wonderful TomsMoComp, but until then you'll have to make do with TomsBob.		Script

Fieldblending and Frameblending removal

Filter	Description	Color format	Plugin / Script	Author
c_deblend superseded by srestore	Cdeblend is a simple blend replacing function like unblend or removeblend.		Script	MOmonster
Deblend	See discussion.		Script	actionman133
ExBlend	ExBlend is a plugin to repair damage caused by blend deinterlacing of telecined clips, which results in a double blend, every five frames, GGGBBGGGBBGGGBB etc where 'G' is good and 'B' is blend. See discussion	YV12, YUY2	Plugin	StainlessS
mrestore superseded by srestore	Uses conditional frame evaluation to undo standard conversions with blends.	YV12	Script	MOmonster
RemoveBlend	This filter is used to remove blended fields/frames. See discussion.	YV12	Plugin	violao
Restore24	Restore24 is an AviSynth filter that is able to do the nearly impossible: Restore 24fps FILM out of a fieldblended FILM -> Telecine -> NTSC -> Blendconversion -> PAL - Video. See discussion.		Script	scharfis_brain
RestoreFPS	RestoreFPS reverses the kind of blending generated by ConvertFPS, restoring original framerate. It will work perfectly well on any regular blend pattern.	YV12	Plugin	mg262
Specials	Helps restore video with blended fields/frames using a reference source. See discussion	YV12	Plugin	wonkey_monkey
Unblend	Unblend is based on warpenterprise's deblend algorithm and neuron2's decimate code, with YV12 support only. The aim is the same of deblend. See discussion.	YV12	Plugin	Bach
FixBlendIVTC superseded by srestore	A blend replacing/frame restoring function for doubleblends caused by blend-deinterlacing of telecined sources.	?	Script	MOmonster
Cdeint	Restores 24fps FILM out of a fieldblended FILM -> Telecine -> NTSC -> Blendconversion -> PAL - Video (alternative for Restore24).		Script

Film Damage correction

Filter	Description	Color format	Plugin / Script	Author
DeScratch	DeScratch removes vertical scratches from films. Also it can be used for removing of horizontal noise lines such as drop-outs from analog VHS captures (after image rotation).	YV12	Plugin	Fizick
DeSpot	This filter is designed to remove temporal noise in the form of dots (spots) and streaks found in some videos. The filter is also useful for restoration (cleaning) of old telecined 8mm (and other) films from spots (from dust) and some stripes (scratches).	YV12	Plugin	Fizick
deVCR	deVCR elliminates (to a certain degree) the annoying horizontal lines that keep crawling around your VHS or Beta recorded video.		Script	Ricardo Garcia
Film_Restoring_Frame_Blending			Script	videoFred
Film_Restoring_Frame_Interpolation			Script	videoFred
RemoveDirt	RemoveDirt is a temporal cleaner for Avisynth 2.5x. It has now become an AVS script function, which involves RestoreMotionBlocks and various filters from the RemoveGrain package.	YV12, YUY2	Script	Kassandro
UnDot	UnDot is a simple median filter for removing dots, that is stray orphan pixels and mosquito noise. It clips each pixel value to stay within min and max of its eight surrounding neigbors. See discussion.	YUY2, YV12	Plugin	Tom Barry

Frequency Interference removal

Filter	Description	Color format	Plugin / Script	Author
DeFreq	Defreq uses Fast Fourier Transform method for frequency selecting an removing. See discussion.	YV12, YUY2	Plugin	Fizick
FanFilter	Regular vertical frequency interference is filtered in spatial domain.	YV12, YUY2, RGB32, RGB24	Plugin	V. C. Mohan

IVTC & Decimation

Filter	Description	Color format	Plugin / Script	Author
AnimeIVTC	What it does: High quality adaptative field matching for hard telecine Bob, remove the blends and decimate back to the desired framerate for DHT/field-blended Creating a VFR clip for hybrid sources Bob the interlaced credits, blend-deinterlacing the background while doing minimal damage on the progressive credits, convert their framerate to match the episode's and splice them with it OR leave them @ 30p to create a VFR clip Very good combing removal and anti-aliasing functions See [18]		Script	thetoof
BruteIVTC			Plugin	MarcFD
DOCI	Destruction of Chroma Interlacing fixes a problem where you captured pulleddown video in YV12. In the combed frames, the chroma from two frames has been blended, leading to a ghosting effect when IVTC'd. This filter reconstructs the chroma exactly and fixes the problem.		Script	jmac698
FDecimate	The FDecimate() filter provides extended decimation capabilities not available from Decimate(). It can remove frames from a clip to achieve the desired frame rate, while retaining audio/video synchronization. It preferentially removes duplicate frames where possible. ("FDecimate" stands for "Free Decimate", which implies that the output frame rate may be freely chosen, and is not limited to 1-in-N decimation).	YUY2, YV12	Plugin	Donald Graft
GreedyHMA	GreedyHMA is an Avisynth filter that executes DScaler's Greedy/HM algorithm code to perform pulldown matching, filtering, and video deinterlace. It has pretty much been superseded by Donald Graft's DeComb package. However there may be occasions where it sometimes gives preferable results, especially with some bad PAL clips.	YUY2	Plugin	Tom Barry
IT	Inverse Telecine	YUY2, YV12	Plugin	thejam79 / minamina
ivtc_txt60mc	Deinterlaces telecined footage with that has been overlayed scrolling text at 60i.		Script	cretindesalpes aka Firesledge
MultiDecimate	Removes N out of every M frames, taking the frames most similar to their predecessors. See discussion.	YUY2	Plugin	Donald Graft
PFR	PFR (Progressive Frame Restorer) is an Avisynth filter that attempts to produce progressive frames from a mixed progressive/interlaced/IVTCed source.	YUY2	Plugin	Simon Walters
ReMatch				Plugin
RePal				Plugin
SmartDecimate	Smart Decimate removes telecine by combining telecine fields and decimating at the same time, which is different from the traditional approach of matching telecine frames and then removing duplicates. See discussion.	YUY2, YV12	Plugin	Kevin Atkinson
Decomb	The Telecide and Decimate filters can be combined to implement IVTC.	YUY2, YV12	Plugin	Donald Graft
TIVTC	A package containing these 7 filters: TFM, TDecimate, MergeHints, FrameDiff, FieldDiff, ShowCombedTIVTC, and RequestLinear. Also contains these 3 conditional functions: IsCombedTIVTC, CFieldDiff, and CFrameDiff. Designed primarily for IVTC operations. Discussion	YUY2, YV12	Plugin	tritical
TPRIVTC			Plugin
UnComb	Filter for matching up even and odd fields of properly telecined NTSC or PAL film source video. See discussion.	YV12	Plugin	Tom Barry
IvtcBlend	Waka demonstrated an IvtcBlend function that uses the information in the "extra" fields of a telecined source to help combat temporal noise.		Script

Ghost Removal

Filter	Description	Color format	Plugin / Script	Author
FixVHSOversharp			Plugin
GhostBuster			Plugin	SansGrip

Logo Removal

Filter	Description	Plugin / Script	Author
DeKafka	This fairly simple filter washes away those annoying bugs from broadcast clips.	Script
DeLogo	DeLogo Filter for VirtualDub. Removes static elements, e.g. logos or watermarks, from the video stream. It can remove either opaque elements or alpha blended, the latter even without destroying the picture beneath.	Plugin & Script	Karel Suhajda
InpaintFunc	Script for logo removal using inpainting. Can remove alpha blended or opaque logos with a basic postprocessing to hide artifacts.	Script	Reuf Toc
rm_logo	Combination of deblending and inpainting to remove logos with adjustable postprocessing to further hide artifacts. See [19]	Script	Spuds
X-Logo	X-Logo Avisynth plugin and Virtualdub filter. Removes opaque logos.	Plugin	Leuf

Luma Equalisation

Filter	Description	Color format	Plugin / Script	Author
Antiflicker	"A quick-and-dirty port of my VirtualDub filter (which sucks, by the way; it was one of my first filters)." See discussion.	YUY2	Plugin	Donald Graft
DeFlicker	Can remove old film intensity flicker by temporal mean luma smoothing. Can also correct blinding of automatic gain control after flashes.	YV12, YUY2	Plugin	Fizick (Alexander G. Balakhnin)
Dumb Deflicker	Gathers average luma of frames, smoothens that with temporalsoften, and applies the obtained difference to the original input. It is pretty simple, read "dumb". See discussion	YV12	Script	Didée
EquLines	Equalizes total luminosity in pairs of even and odd lines. Useful for removing inter-line differences from telecined films.	YV12, YUY2	Plugin	Fizick
LMFlicker	LMFlicker is intended to reduce flickering in some film/vhs transfers. FieldFade is a similar concept, but applied on a per-field basis, to reduce combing in a video where fades were applied after telecine.	YV12	Plugin	Loren Merritt
Local Deflicker	Deflickers only part of a frame. See discussion.	YV12	Script	prokhozhijj
ReduceFlicker	Reduces temporal oscillations in clips; should be applied before deinterlacing. Contains ReduceFlicker, ReduceFluctuations, and LockClense. See discussion.	YV12, YUY2	Plugin	Kassandro
TimeLapseDF	Designed to remove luminosity flicker in time lapse photography. Unlike most other flicker removal filters, utilizes cumulative distribution function in addition to average frame luminosity. See discussion.	YV12, YUY2	32-Bit Plugin 64-Bit Plugin	Denis Zhitenev
wdeflicker	Modifies luma of a source clip by refering to a temporally super-smoothed clip. Heights of source and reference clips must match.	YV12, YUY2	Plugin	Osmiridium

Rainbow & Dot Crawl removal

Filter	Description	Color format	Plugin / Script	Author
BiFrost	Bifrost uses temporal blending to remove or at least reduce the effect of rainbows. See discussion.	YV12	Plugin	Myrsloik
CC	Dot crawl and rainbow removal.	YV12, YUY2	Plugin	chiyo-clone
Checkmate	Spatial and temporal dot crawl removal.	YV12	Plugin	mf / prunedtree
DeCrawl	Spatial and temporal dot crawl removal, particularly for animated material.	YV12	Plugin	Dan Donovan
DeCross	Cross Color Reduction. Also known as rainbows.	YV12, YUY2	Plugin	minamina
DeDot	Removes dot crawl and may also be useful for rainbows. See discussion here and here.	YV12, YUY2	Plugin	thejam79 / minamina
DeRainbow	It removes rainbows on the clip, without any visible quality loss. See discussion.	YV12, YUY2	Script	sh0dan
DFMDeRainbow	Creates mask to process only edges; rainbows are removed by hitting chroma planes with two passes of FluxSmooth (hence "Double-Flux-Mask").	YV12, YUY2	Script	Scintilla
GuavaComb	Removes dot crawl, rainbows, and some kinds of shimmering. See discussion	YUY2	Plugin	Lindsey Dubb
LUTDeCrawl	Purely temporal; only targets pixels for dot crawl removal if luma is fluctuating and (optionally) chroma is not.	YV12	Script	Scintilla
LUTDeRainbow	Purely temporal; only targets pixels for derainbowing if chroma is fluctuating and (optionally) luma is not.	YV12	Script	Scintilla
mfRainbow	Derainbows in areas of high Y, U and V frequencies, which fluctuate heavily. See discussion here and here.	YV12	Script	mf
Rainbow_Smooth	A small spatial derainbow function. It uses SmoothUV to smooth out chroma and edge masking to prevent color bleeding.	YV12	Script	MOmonster
SmartSSIQ	SSIQ can alter the color on the entire picture. So this script first applies SSIQ to the entire picture. Then it locates the edges. Finally, it layers ONLY the de-rainbowed edges onto the original video. See discussion here and here.	YV12, RGB32	Script	LB
SSIQ	Rainbow remover. A port of the VirtualDub plugin Smart Smoother IQ.	YV12, YUY2, RGB32	Plugin	Myrsloik
TComb	A temporal comb filter (it reduces cross-luminance (rainbowing) and cross-chrominance (dot crawl) artifacts in static areas of the picture).	YV12, YUY2	Plugin	tritical
YARK	Yet Another Rainbow Killer. Based on mfRainbow v0.31, chubbyrain2, and various other scripts shown here.	YV12	Script	jase99

Stabilization

Filter	Description	Color format	Plugin / Script	Author
DePan	Tools for estimation and compensation of global motion (pan) .See [20]	YUY2, YV12	Plugin	Fizick
Stab	Simple but powerful script to remove small high frequenzy jitter that appears often on old/bad transfers. See [21]		Script	g-force
TBC	Stabilizes horizontal jitter in video from analog VCRs, similar to the function of a Time Base Corrector.(note: will cause SEt's Avisynth 2.6 MT to stop working)		Script
CelStabilize	Script which holds a fixed background steady. Doesn't work well with pans or fades.		Script	mg262

Denoisers

Strength/Quality of Denoisers

(need subclassification)

Filter	Description	Color format	Plugin / Script	Author
AdaptiveMedian			Plugin
Atc			Plugin
ColourizeSmooth			Plugin
ConditionalTemporalMedian			Plugin
DCTFun4b			Plugin
DeNoise			Plugin
DNR2			Plugin
ExtendedBilateral			Plugin
MedianBlur	Spatial median blur filter with a variable radius		Plugin	tsp
PixieDustPP			Plugin
SmartSmoother			Plugin
SmootherHiQ			Plugin
SSIQ			Plugin
TNLMeans	TNLMeans is an implementation of the NL-means denoising algorithm. See discussion.	YV12, YUY2	Plugin	tritical
UberSmooth (Bloated)			Plugin
UberSmooth (DCTFun)			Plugin
UberSmooth (Deen)	[22]		Plugin
VariableBlur			Plugin

Spatial Denoisers

Filter	Description	Color format	Plugin / Script	Author
_2DCleanYUY2	Averages pixels in a configurable radius around a source pixel that are within a configurable threshold of the central pixel. A port of the VirtualDub plugin 2D Cleaner.	YV12, YUY2	Plugin	kiraru2002, xeon533
DctFilter	An experimental filter that operates on DCT coefficients.	YV12, YUY2	Plugin	Tom Barry
eDeen	eDeen is a ultra powerfull spatial denoiser for very experienced encoders only.	YV12	Plugin	Marc FD
GPUBilateral	In short, bilateral filter is a edge-preserving smooth filter. See discussion.	RGB32	Plugin	Sompon Virojanadara
Msmooth	Masked smoother, designed specifically for anime.	YV12, RGB32	Plugin	Donald Graft
RemoveGrain	RemoveGrain is a simple and extremely fast spatial denoiser for progressive and interlaced video.	YV12, YUY2	Plugin	Kassandro
TBilateral	TBilateral is a spatial smoothing filter that uses the bilateral filtering algorithm. It does a nice job of smoothing while retaining picture structure.	YV12, YUY2	Plugin	tritical
VagueDenoiser	This is a Wavelet based Denoiser. Basically, it transforms each frame from the video input into the wavelet domain, using various wavelet filters. Then it applies some filtering to the obtained coefficients. See discussion.	YV12, YUY2, RGB32	Plugin	Lefungus, Kurosu, Fizick
VerticalCleaner	Fast vertical cleaner. Parameter information here. Explanation of mode 2 here.	YV12, YUY2	Plugin	Kassandro

Temporal Denoisers

Filter	Description	Color format	Plugin / Script	Author
CNR2	A fast chroma denoiser. Very effective against stationary rainbows and huge analogic chroma activity. Useful to filter VHS/TV caps. See discussion.	YV12, YUY2	Plugin	Marc FD, tritical
Fluxsmooth	Examines each pixel and compares it to the corresponding pixel in the previous and last frame.	YV12, YUY2	Plugin	SansGrip (Ross Thomas), Sh0dan
GrapeSmoother	This filter averages out visual noise between frames.	YUY2	Plugin	Lindsey Dubb
MVDegrain	Strong and effective temporal denoiser. Part of the MVTools package.	YV12, YUY2	Plugin	Fizick
TemporalCleaner		YV12, YUY2	Plugin	vlad59
TTempSmooth	TTempSmooth is a motion adaptive (it only works on stationary parts of the picture), temporal smoothing filter.	YV12, YUY2	Plugin	tritical
Temporal Degrain	SLOW but very effective at removing most grain from video sources.		Script

Spatio-Temporal Denoisers

Filter	Description	Color format	Plugin / Script	Author
Convolution3D	Convolution3D is a spatio-temporal smoother, it applies a 3D convolution filter to all pixels of consecutive frames. See discussion.	YUY2	Plugin	Sébastien Lucas
Deen	Deen is a set of assembly-optimised denoisers, like various 3d and 2d convolutions.		Plugin	MarcFD
DenoiseMF	A fast and accurate denoiser for a Full HD video from a H.264 camera. See discussion.		Script	rean
dfttest	A 2D/3D frequency domain denoiser. See discussion.	YV12, YUY2	Plugin	tritical
dfttestMC	A script that motion compensates dfttest. See [23]		Script	thewebchat
DeGrainMedian	Two stage Spatio-Temporal Limited Median filter for grain removal. See		Plugin	Fizick
FFT3DFilter	A 3D Frequency Domain filter - gives strong denoising and moderate sharpening	YV12, YUY2	Plugin	Fizick
FFT3DGPU	Similar algorithm to FFT3DFilter, but uses graphics hardware for increased speed.		Plugin	tsp
FrFun3b	Fractal denoising. See discussion	YV12	Plugin	prunedtree
FrFun7	Fractal denoising. See discussion	YV12	Plugin	prunedtree
HQdn3d	see [24]		Plugin
MC_Spuds	Motion compensated noise removal with sharpening. Extremely slow, but extremely effective.		Script	Spuds, Didée
MCTemporalDenoise	Another high quality motion compensated noise removal script with an accompanying post-processing component (with loads of excess feature such as MC-Post-sharpening, MC-antialiasing, deblock, edgeclean and much more)	YV12	Script	LaTo
MipSmooth			Plugin	sh0dan
NoMoSmooth			Plugin
PeachSmoother			Plugin	Lindsey Dubb
RemoveNoiseMC	Motion compensated filter for removing noise, larger spots and other dirt. Written as an alternative to the old Dust. Last update Nov 2006. It uses mvtools v1. Jenyok collected together all RemoveNoise and various filters functions and adapted to MVTools v2.		Script	Heini011
RemoveDirtMC			Script	Nephilis
zzz_denoise	Simple wrapper around a combination of dfttest and MDegrain3. Requires the Dither package.	YV12	Script	cretindesalpes

Adjustment Filters

Colourspace Conversion

Filter	Description	Color format	Plugin / Script	Author
AutoYUY2	This filter is correctly converts YV12 to YUY2 without color bias.	YV12	Plugin	Donald Graft
ConvertToYCgCo	Converts to the YCgCo colorspace. See discussion.	RGB24, RGB32	Plugin	xv
InterleavedConversions	Tools for interleaving and de-interleaving 2, 3, and 4-channel data.		Script	PitifulInsect
YUY2inRGB	A quick filter that stuffs YUY2 into RGB24. See discussion.	YUY2	Plugin	Trevlac
YUY2toRGB219	Converts YUY2 to studioRGB. With this kind of conversion, luma will not change, meaning no quantization error on luma. See discussion.	YUY2	Plugin	Trevlac
YV12toRGB24HQ	YV12 to RGB24 with dithering.	YV12	Plugin	prunedtree
PlanarConversions	Planar conversion functions for AVISynth.		Script	PitifulInsect

Duplicate Frame Detectors

Filter	Description	Color format	Plugin / Script	Author
Dup	a robust duplicate frame detector. a frame that is determined to be close enough to its predecessor to be considered a duplicate will be replaced by a copy of the predecessor. This can significantly reduce the size of encoded clips with virtually no visual effect. provides the capability to replace frames with a blend of all the duplicates, providing a valuable noise reduction. Filter by Donald A. Graft.	YV12, YUY2	Plugin	Donald Graft
Dupped	Another frame duplication function, similar to Dup, but hopefully more accurate. See [25]		Script	Corran
DeDup	Remove (drop) duplicate frames in the interest of compression quality and speed. Resulting clip will have a variable frame rate.	YV12, YUY2	Plugin
GetDups	Selecting unique duplicate frames from clip, it return frames which have copies only, by one from the series (group). Made for 8mm films.	YV12, YUY2	Plugin

Effects

Filter	Description	Color format	Plugin / Script	Author
AddGrain	Generates film like grain or other effects (like rain) by adding random noise to clip. Noise can be horizontally or vertically correlated causing streaking. Contains AddGrain & AddGrainC	Y8, YV411, YV12, YV16, YV24, YUY2, RGB24, RGB32	Plugin	Tom Barry Foxyshadis LaTo cretindesalpes
AddNoise/Blockbuster	Makes encoder allocate more bits to darker areas, thus eliminating DCT blocks by decreasing the clips compressibility.		Plugin	Ross Thomas
AviShader	generic plugin that uses your 3D card's hardware to assist with rendering	RGB32	Plugin	Antitorgo
ColorLooks	This plugin is based on Trev's VDub filter Colorlooks and Donald Graft's Colorize (well it works a bit similar). I also added some new stuff. The plugin contains the following filters: Technicolor, Colorize, Sepia and Posterize.	YV12, YUY2, RGB24, RGB32	Plugin	Wilbert Dijkhof
EffectsMany	Creates 34 types of special "animated" effects. Effects act on the input clip in the range of the frame numbers specified. The Audio is not affected.	YV12, YUY2, RGB24, RGB32	Plugin	V. C. Mohan
GrainFactory3	Noise generator that tries to simulate the behavior of silver grain on film. See : [26]		Script	Didée
GNoise	Adds random noise to a clip. See duscussion.	YV12	Plugin	soulhunter
HollywoodSQ	Creates popup album, akin to Hollywood squares TV show		Plugin	V. C. Mohan
KenBurnsEffect	Given clip, zooms, pans & rotates clip. See wikipedia:Ken Burns Effect	YV12, YUY2, RGB24, RGB32	Script	mikeytown2
MPlayerNoise	Noise Generator ported from MPlayer. See discussion.	YV12	Plugin	bergi
NoiseGenerator	Newer function based off of Blockbuster. Adds random noise to clip.		Plugin	Shubin
Scanlines	Add Scanlines (black horizontal bars) to a video. see wikipedia:Scan Line		Plugin	turulo
StaticNoiseC	Generates static grain using the Mersenne Twister random number generator. See discussion.	YV12	Plugin	histamine
TurnsTile	Applies mosaic and/or palette effects to a clip.	YV12, YUY2, RGB24, RGB32	Plugin	Robert Martens

Field Order

Filter	Description	Color format	Plugin / Script	Author
PFR			Plugin
ReverseFieldDominance			Plugin

Frame Rate Conversion

Filter	Description	Color format	Plugin / Script	Author
AlterFPS	AlterFPS can be used to speed up or slow down a video by adding or removing fields. It works like the 3:2 pulldown of NTSC film material, except you can choose your new speed. It can also blend frames for progressive frame results, and blend fields like ConvertFPS.		Script
convert60ito24p	convert60ito24p converts a 60fps interlaced NTSC Video into a 24fps progressive Video using different blending techniques. discussion.		Script
FPSDown	This filter reduces the framerate of a video by 1/2, by blending odd and even frames together. However, it does this in a smart way such that in case of duplicate frames, it will do the smart thing to remove unnecessary blurring in the output video.	RGB32	Plugin	arkeet
FrameDbl	FrameDbl will generate extra frames to double the frame rate. It does this using a motion compensated approach to interpolating between frames. See discussion.	YV12	Plugin	Tom Barry
InterFrame	Give videos higher framerates like newer TVs do. Common names are framedoubling, smooth motion and 60FPS conversion. See discussion.	YV12	Script	SubJunk
MotionProtectedFPS (Motion)			Script
MVFlowFPS(2) (MVTools)			Plugin
NTSC tools	Automatic NTSC to PAL conversion with 24p, 30p, 60i detection. See [27]		Script	Mug Funky
SalFPS3		YV12	Script	Mug Funky, Didée

Levels and Chroma

Filter	Description	Color format	Plugin / Script	Author
AutoGain	A high quality auto-leveling filter. It calculates statistics of clip, averages them temporally to stabilize data and uses them to adjust gain. AutoGain has a smoothing & dithering algorithm to avoid banding issue. Calculations are made in 32bits float to avoid rounding errors and can also input/output 16-bits. AutoGain is internally multithreaded and SSE2 optimized.	Y8, YV411, YV12, YV16, YV24	Plugin	LaTo
Autolevels	Improvement of the ColorYUV filter's autogain feature. It stretches the luma histogram to use the entire specified range, averaging the amount of "gain" over consecutive frames to better handle flashes and to avoid flickering. Discuss	YV12, YUY2, RGB24, RGB32	Plugin	frustum & Theodor Anschütz
AWB	Automatic white balance for real world footage, similar to the known function in digital cameras. See discussion.	YV12	Script	martin53
Color Balance	Same tool that is found in Gimp & Cinepaint.	RGB24, RGB32	script	Gavino & mikeytown2
ChannelMixer	Very similar to the ChannelMixer function found in Photoshop. 9 Adjustments are possible, 3 for each color channel.	RGB24, RGB32	Plugin	Gustaf Ullberg
ColourLike	Makes a clip look like a 'reference' clip by adjusting each colour channel.	YV12	Plugin	mg262
ExpLabo	ExpSat apply a non-linear transformation of saturation, Colorize change the image color dominance in a flexible manner, HLSnoise adds a noise to the image separately to the HLS dimensions. See discussion.	RGB24, RGB32	Plugin	brabbudu
FlimsYlevels	Luma adjustment function to give a more "film-ish" look. (Based on Didée's Ylevels).	YV12	Script	FlimsyFeet
GiCocu	Use GIMP/Photoshop curve files	RGB24, RGB32	Plugin	E-Male
HDRAGC	High Dynamic Range Automatic Gain Control - Increase dynamic range of video clips (enhance shadows). It's "simply" gaining (brightening) dark areas of image without causing blow of highlights. Amount of gain is calculated automatically, but can be influenced by parameters. See discussion.	YV12, YUY2	Plugin	paviko
HighlightLimiter	"Darkening highlight". Works well on over exposed clips. It can also be combined with ContrastMask to create HDR effect	YV12	Script	javlak
HistogramAdjust	Adjusts the histogram of a frame by either equalizing it or by matching with histogram of another image, or with given histogram table of values.	YV12, YUY2	Plugin	V. C. Mohan
Histograms in RGB & CMY	Display level histogram in RGB and CMY, and a histogram for RGB parade. Useful for color corrections.	YV12, RGB24, RGB32	Script	-Vit-
SGradation	SGradation is much like a gamma function, but '2nd order'.		Script
SmoothLevels	Advanced levels adjustment function, with limiting & smoothing parameters.	YV12	Script	LaTo
Tint	Tints the image toward a specified colour.		Script
TweakColor	Target specific hue and saturation ranges for hue and saturation adjustments.	YV12, YUY2	Plugin	Trevlac
Tweak3	Same as Tweak but with dithering.	YV12, YUY2	Plugin	soulhunter
WhiteBalance	Correct the white balance of a clip with a large degree of control and accuracy over other methods of correcting white balance. See discussion.	YV12, YUY2, RGB24, RGB32	Plugin	SomeJoe
Ylevels	A simple replacement for Avisynth's internal Levels command, with a few neat differences.	YV12	Script	Didée

Linedarkening

Filter	Description	Color format	Plugin / Script	Author
FastLineDarken	Line darkening script. See discussion.	YV12	Script	Vectrangle
FastLineDarkenMOD	Line darkening script. See original discussion. Updated script. Additional information.	YV12	Script	Vectrangle / Didée
LimitedDarken			Plugin
mfToon	mfToon darkens cartoon edges. In default operation, it performs line darkening, Xsharpening, and warp sharpening. See discussion. Additional information here and here	YV12	Script	mf
SuperToon	An attempt to optimize/speed up the previous versions of mfToon, vmToon, etc. See discussion	YV12	Script	Hadien
Toon	Simple and fast Linedarkener. See discussion. Original Toon discussion in script form. Binary patched Toon-v1.0 to use aWarpSharp2 instead of aWarpSharp: Toon-v1.1	YV12	Plugin	mf
Toon-lite	It's the same as Toon, just without the warpsharp processing. For default strength use "1.0".	YV12	Plugin	mf
vmToon	The successor to mfToon. Darkens lines, thins lines, and does supersampled sharpening all in one, but slow.	YV12	Script	Vectrangle

Resizers

Filter	Description	Color format	Plugin / Script	Author
AutoCrop	Automatically crops black borders (wikipedia:Letterbox, wikipedia:Pillar box, wikipedia:Windowbox) from a clip. Operates in preview mode (overlays the recommended cropping information) or cropping mode. Can also ensure width and height are multiples of specified numbers.	YV12, YUY2, RGB24, RGB32	Plugin
Debilinear	This filter is designed to reverse the effects of bilinear upsampling.	RGB, YV12	Plugin	Prunedtree
EdiUpsizer	see [28]		Plugin
EEDI2	see normal Multi-threaded Multi-threaded 64-bit		Plugin
FastEDIUpsizer	[29]		Plugin
HybridResize	Uses Lanczos (sharp) for edges and Bilinear (soft) on the rest of the image.		Script	mf
Lanczosplusv3	Very slow, but high quality resizer. See [30]		Script	*.mp4 guy
NNEDI	Neural Network New-Edge Directed Interpolation.		Plugin	tritical
PointSize	A set of pixel art resizers: Scale2x, Scale3x, LQ2x, LQ3x, LQ4x, HQ2x, HQ3x, HQ4x.	RGB32	Plugin	`Orum
ResampleHQ	ResampleHQ provides gamma-aware resizing and colorspace conversion.		Plugin	Cory Nelson (phrosty [at] gmail.com) (PhrostByte on Doom9
ResizeARC	ResizeARC respects AR as possible maintaining MOD32 resolutions, uses bitrate, bpp and the resize function specified as parameters. Usage:		Script
Seamer	Seam Carving/Liquid Rescale for Content-Aware Image Resizing. See wikipedia:Seam Carving	RGB24, RGB32	Plugin	V. C. Mohan
SimpleResize	Very simple and fast two tap linear interpolation. It is unfiltered which means it will not soften much.	YV12, YUY2	Plugin	Tom Barry
SplineResize	SplineResize contains two kinds of spline based resizers: The first ones are the (cubic) spline based resizers from Panorama tools: Spline100Resize (using 10 sample points) and Spline144Resize (using 12 sample points) are examples. Other ones are available in AviSynth itself. The second ones are natural cubic splines that use the kernel itself as a spline.	YV12, YUY2, RGB24, RGB32	Plugin	Wilbert Dijkhof
YV12InterlacedReduceBy2	InterlacedReduceBy2 is a fast Reduce By 2 filter, usefull as a very fast downsize of an interlaced clip. See discussion.	YV12	Plugin	Tom Barry
Zoom	Zoom, Pan & Rotate Clip. Adds alpha layer to clip.	RGB32	Plugin
ZoomBox	Replacement for ResizeKAR. Resizes clip Keeping the Aspect Ratio. Can set Source/Target PAR/DAR, option to zoom in/out in order to hide/show black borders.		Script

Sharpeners

Filter	Description	Color format	Plugin / Script	Author
aSharp	Adaptive sharpening filter. You can use it for high quality sharpening of soft sources. See discussion.	YV12	Plugin	Marc FD
aWarpSharp	A warp sharpening filter.	YV12	Plugin	Marc FD
aWarpSharp2	A modern rewrite of aWarpSharp with several bugfixes and optimizations. See discussion	YV12	Plugin	SEt
blah	A sharpening.	YV12	Script	*.mp4 guy
LimitedSharpen	LimitedSharpen can be used like a traditional sharpener, but producing much less artefacts. It can be used as a replacement for the common "resize(x4)-XSharpen-resize(x1)" combo, with very similar results (perhaps even better) - but at least 2 times faster, since it requires much less oversampling.		Script	Didée
LSFmod	A LimitedSharpenFaster mod with a lot of new features and optimizations.	YV12	Script	LaTo
MSharpen	This filter implements an unusual concept in spatial sharpening to sharpen important edges without amplifying noise. Although designed specifically for anime, it also works quite well on normal video. See discussion.	RGB, YUY2, YV12	Plugin	Donald Graft
Super Slow Sharpen	Very slow, but high quality sharpener. See [31]		Script	*.mp4 guy
SSXSharpen	Included in SharpTools. Sharpens the picture using supersampling techniques.		Script	Didée
TUnsharp	TUnsharp is a basic sharpening filter that uses a couple different variations of unsharpmasking and allows for controlled sharpening based on edge magnitude and min/max neighborhood value clipping. The real reason for its existence is that it sports a gui with real time preview. See discussion.	YUY2, YV12	Plugin	tritical
UnFilter	This filter softens/sharpens a clip. It implements horizontal and vertical filters designed to (slightly) reverse previous efforts at softening or edge enhancement that are common (but ugly) in DVD mastering. See discussion.	YUY2, YV12	Plugin	Tom Barry
UnsharpHQ	A strong and fast unsharp mask with some new features. See discussion.	YV12	Plugin	list
WarpSharp Package	Contains these sharpeners: Unsharpmask, WarpSharp, Xsharpen. See description. 2003 Version 2006 Version 2008 Version	YUY2, YV12	Plugin	seraphy
WarpSharp YV12	Contains WarpSharp & XSharpen. This version of WarpSharp is very fast.	YV12	Plugin
FineSharp	Small and relatively fast realtime-sharpening function, designed for 1080p, or after scaling 720p -> 1080p during playback (to make 720p look more being like 1080p). See discussion.	YV12	Script	Didée

Blurring

Filter	Description	Color format	Plugin / Script	Author
BucketMedian	BucketMedian is an implementation of spatial median filter adapting bucket(counting) sort algorithm.	Y8, YV411, YV12, YV16, YV24	Plugin	Chikuzen
Variableblur	Variableblur is a gaussian, binomial or average blur filter with a variable radius(variance).	YV12, YUY2, RGB24, RGB32	Plugin	tritical

Subtitling

Filter	Description	Color format	Plugin / Script	Author
AssRender	Libass-based subtitle renderer. See discussion.	RGB32, RGB24, YV24, YV12, Y8	C Plugin	lachs0r, TheFluff
SubAA	Single Subtitle with Anti-aliasing.		Script
SubtitleEx	Similar to the original Subtitle function but can do more: apply text to range; effects - bold, underline, italic, center, fading, motion, blur, emboss, etc...; alpha channel.		Plugin
TextSub (VSFilter)	Supported Subtitle Formats: VOBsub (.sub/.idx), SubStation Alpha/Advanced SubStation Alpha (.ssa/.ass), SubRip (.srt), MicroDVD (.sub), SAMI (.smi), PowerDivX (.psb), Universal Subtitle Format (.usf), Structured Subtitle Format (.ssf). See [32]		Plugin
SubtitleMulti	A parameter-compatible Subtitle function which allows the usage of line breaks. (Wilbert: I can't find the script ...)		Script	JLennox
VSFilterMod	A new VSFilter with more ass tags.		Plugin

Transitions

Filter	Description	Color format	Plugin / Script	Author
DissolveAGG	Wipe Transition with a soft edge. See discussion. Note: There exist multiple variants of the script as the result of the interaction between authors in that discussion.		Script (v1) Script (v2) Script (v3)	zemog, mikeytown2, Gavino and others
JDL_MaskTransition	Combines two clips using the specified mask clip. The audio tracks are blended during the transition. About any transition can be made with this function.		Script	James D. Lin (stickboy)
TransAll	Around 150 distinct transitions can be created with this plugin.	RGB, YUY2, YV12	Plugin	V. C. Mohan
Transition (Albert Gasset)	Various Wipe and Random Block modes. Has 19 built in patterns or it can use an external file.		Plugin	Albert Gasset
Transition (shubin)	Contains 2 modes: circle and line. In circle mode the area has radius R and center xCenter,yCenter. In line mode the line passes through xCenter,yCenter with slope R.		Plugin	Shubin

Other Filters

Debugging/Diagnostic Filters

Filter	Description	Color format	Plugin / Script	Author
AVInfo			Plugin
AVSMeter	AVSMeter is a CLI (command line interface) tool that "runs" an Avisynth script without any overhead, displays clip info, CPU and memory usage and the minimum, maximum and average frame rates, indicating how fast Avisynth can serve frames to a client application. It comes in handy when testing filters to determine their performance and memory requirements.		Command line executable	Groucho2004
Avisynth Monitor			Plugin
AvsTimer			Plugin
DumpPixelValues	Samples the colors from selected pixels for every frame in a video source and outputs the data to a text or binary file.	RGB32, YUY2	Plugin
Framenumber	Framenumber inserts the framenumber of the current frame (+ offset).		Plugin
Glitch Analyzer	Glitch Analyzer generates a diagnostic video, then analyzes the recorded version of it, to detect swapped, dropped, or repeated fields.	YUY2,YV12	Script
Grid			Plugin
HDColorBars	A script to create an HD test pattern based on ARIB STD-B28 Rev1. Can easily be adapted to an SMPTE version. Image	YV12	HDColorBars
Kronos			Plugin
Measure	Measures luminence of greyscale bars and prints results on-screen. Can be used to set brightness/contrast in capture settings accurately.	YV12	Script
MonitorFilter			Plugin
PixelInfo	A GUI-based filter that lets you pick a pixel and gives you color information.	RGB32, YUY2	Plugin
ShowPixelValues	This filter displays the actual Y U and V (or R G and B) values from pixels within a frame.	RGB32, YUY2	Plugin
Testpatterns	This filter creates a sinewave frequency sweep directly in YV12, useful to measuring video response.	YV12	Script
TMonitor			Plugin
ViewFields/UnViewFields			Plugin
Comptest	The script Compressibility test can be used for a compressibility test on a clip.		Script
SeeTheDifference	SeeTheDifference just makes the difference visible between an encoded and an original videoclip. So you can see what you really "lose" when encoding a video.		Script
BoxCompare	BoxCompare will let you compare up to 4 clips with simple annotations. It's basically a wrapper for StackHorizontal/StackVertical.		Script

Export Filters

These filters are used to export things from an avs file.

Filter	Description	Color format	Plugin / Script	Author
Immaavs	ImmaWrite uses the ImageMagick libraries to write images. Many formats are supported including animations and multipage files.		Plugin	Wilbert Dijkhof
twriteavi	Serve AVI file to program requesting it as well as write an avi file. Useful for speeding up 2 pass encodes at the cost of hard drive space.		Plugin

Import Filters

These filters are used to import filters written for other audio and video packages.

Filter	Description	Color format	Plugin / Script	Author
FreeFrame	Allows freeframe filters (mostly effects) to be used directly in avisynth.	RGB24, RGB32	Plugin
LoadVFApiPlugin			Plugin

Meta-Filters

These filters are primarily designed to be used with other filters, to restrict or augment their effect.

Filter	Description	Color format	Plugin / Script	Author
Motion	see [33]		Plugin	mg262
MT	MT is a filter that enables other filters to run multithreaded. This should hopefully speed up processing on hyperthreaded/multicore processors or multiprocessor systems. See [34]	Any	Plugin	tsp
MVTools	MVTools provides filters for estimation and compensation of objects' motion in video clips. Motion compensation may be used for strong temporal denoising, advanced framerate conversions, image restoration and other tasks. See [35]		Plugin	Fizick

Multipurpose Filters

Filter	Description	Color format	Plugin / Script	Author
Camembert	Camembert provides HQDering's functionality with additional background enhancement.	YV12	Script
HybridFuPP	An adaptive processor, allowing picture cleaning and compressibility gain.		Script	Fupp
iiP	Integrated Image Processor performs basic denoising and sharpening excluding already hard edges to avoid oversharpening; this should give the best relative compressibility for any level of detail enhancement. Its main purpose is upconversion from DVD resolutions to (pseudo-) HDTV resolutions. It aims at natural sources only. For animated/cartoon content, one is probably better of with mfToon and SharpResize.	YV12	Script
SeeSaw	SeeSaw uses a balance of denoising and sharpening to enhance a clip. The aim is to enhance weak detail without oversharpening or creating jaggies on strong detail, and produce a result that is temporally stable without detail shimmering.	YV12	Script

Support filters

These filters are primarily designed to augment the creation of custom script-based filters.

Filter	Description	Color format	Plugin / Script	Author
CheckMask			Plugin
FrameCache	Frame cache plugin. It helps greatly increase performance, especially in combination with another plugins, like SmoothDeinterlace. Usage FrameCache( [number of frames to remember], (path to log file) ).	any	johny5 dot coder via gmail	Evgeny
GRunT	Extends Avisynth's Runtime Environment, making it easier to use, especially inside script functions.	Any	Plugin	Gavino
GScript	Extends the Avisynth scripting language to provide additional control-flow constructs: multi-line conditionals (if-then-else blocks), 'while' loops and 'for' loops.	Any	Plugin	Gavino
MaskTools	This plugin provides tools for the creation, enhancement and manipulation of masks for each component (Y, U, V) of the YV12 color space. See discussion. This version is now deprecated, use MaskTools2 instead for new scripts.	YV12	Plugin	Kurosu Manao
MaskTools2	This plugin provides tools for the creation, enhancement and manipulation of masks for each component (Y, U, V) of the YV12 color space.	YV12	Plugin	Manao
MergeClips			Plugin
MVTools	This plugin provides a collection of functions for motion estimation and compensation.	YV12, YUY2	Plugin	Various
PlaneMinMax			Plugin
ApplyInterlacedFilter	ApplyInterlacedFilter safely processes interlaced video with spatial and temporal filters.		Script

Deepcolor Filters

Filter	Description	Color format	Plugin / Script	Author
Deep Color Tools	This Script provides basic functions to import 10bit video, do color adjustments, and export to 8bit	V210	Script	jmac698
Dither	Generates video with up to 16 bits per component after denoising and dithers back to 8 bits for storage. Primarily written to smooth fine gradients to remove colorbanding during/after denoising. Can also recover high bitdepth data potentially contained in a noisy clip; dither a high bitdepth picture into a standard YV12; and perform basic operations (masking, curves...) on high bitdepth pictures, as they cannot be manipulated safely with conventional avisynth filters.	Planar colorspaces	Plugin + scripts	cretindesalpes

3D Filters

Filter	Description	Color format	Plugin / Script	Author
Analglyph Filter	This filter produces analglyph video from a stereo pair. Analglyph is a 3d viewing method which uses colored glasses. The plugin supports the advanced Dubois algorithm, which is able to reduce the ghosting effect that is possible in the conversion.	RGB24, RGB32, YUY2, YV12	Plugin	Gábor Kertai

Libraries

Filter	Description	Color format	Plugin / Script	Author
AVSLib	General purpose toolkit/extension library enhancing AviSynths ability to perform complex linear and non-linear video editing tasks. Includes support for Array containers & operators, debugging tools, math & string functions, filters and many more.		AVSLib	gzarkadas

Audio Filters

Filter	Description	Color format	Plugin / Script	Author
waveform	Displays audio waveforms superimposed on the video, similar to AudioGraph below but with multi-channel support and consistent support for all colourspaces.	YV12, YUY2, RGB24, RGB32	Plugin	David Horman
AudioGraph	Displays the audio waveform superimposed on the video. Intended to help with editing rather than for final output. Useful for finding specific dialog or sound, and for checking A/V sync.	YUY2, RGB24, RGB32	Plugin	Template:Author/Richard Ling sh0dan
BeFa	Band Eliminate Filter for Audio	N/A	Plugin
MinMaxAudio	Computes the root mean square, maximal or minimal value over all samples in all channels,or just over all samples in channel, and outputs the value (in decibels) as a string. It's a conditional audio filter, so the computation is done framewise.	N/A	Plugin	Wilbert Dijkhof
Sox Audio Effect Filter	Use SOX effects within AviSynth. Most effects are supported, and multiple effects can be stacked after each other.	N/A	Plugin	sh0dan
ViewAudio	includes two filters: ViewAudio and AudioCache.		Plugin x64
FindAudioSyncScript	FindAudioSyncScript helps you to find the appropriate audio delays, if you have desync'ed audio.		Script	IanB
AddAudio	An AddAudio function that adds silent audio to a clip. Needed for CCE 2.50 users.		Script

As Yet Unclassified

Filter	Description	Color format	Plugin / Script	Author
Adjust	Generic Y-Channel mapping. Can define a function for the Y Channel.	YUY2, RGB32, RGB24	Plugin
Anaglypher	A plugin for combining stereopairs into single anaglyph image	RGB24, RGB32	Plugin	Shura Luberetsky
Average	Weighted average of any number of clips (fast). Average(clip clip1, int weight1, ...)	YV12, YUY2, RGB24, RGB32	Plugin
BorderControl	Add smeared borders instead of a solid if wanted.		Plugin
BeforeAfter			Script
BeforeAfterDiff			Plugin
BeforeAfterLine			Plugin
Call	Call an external program from the script.		Plugin
Chikitown	A simple script to do overlay to a video RGBA in AviSynth.		Script	Template:Author/Chikitown
Colorit	Color a black and white image or recolor a color image.		Plugin
CutFrames	Cut a range of frames from a single a/v clip. Opposite of Trim with extras.		Script
DCT	see [36]		Plugin
DDigit	DDigit Plugin Text Rendering Pack for Plugin writers.
DeBlot	Color Blot Reduction.	YUY2,YV12	Plugin
ExInpaint	Exemplar-Based Image Inpainting - removing large objects from images..		Plugin	Fizick
FillMargins	Fills the four margins of a video clip with the outer pixels of the unfilled portion. It takes integer 4 parms specifying the size of the left, top, right, and bottom margins.	YV12	Plugin
fftw3			Plugin
FritzPhoto	Use Avisynth to process still images.		FritzPhoto
GetSystemEnv			Plugin
GraMaMa	Gradient Mask Maker	YV12	Plugin	E-Male and Wilbert Dijkhof
LBKiller			Plugin
LTSMC			Plugin
MCNR_simple2			Plugin
NeuralNet			Plugin
PseudoColor	see [37]		Plugin
Reform	see [38]		Plugin
RGBManipulate	see [39]		Plugin
SceneChangeLavc	see [40]		Plugin
SCXvid	SCXvid produces first pass xvid logs from avisynth at the equuivalent of the default vfw preset. These logs are primaliy intended to get scenechange information from but could probably be used in some kind of twisted encoding setup too with lossless encoding of the output.		Plugin
SlopeBend			Plugin
Soothe	Lessens the temporal instability and aliasing caused by sharpening, by comparing the original and sharpened clip, leaving a smoother and slightly softer output.		Plugin	Didée
UnSmooth			Plugin
VinVerse	An effective Function against (residual) combing, by Didée. Useful after deinterlaceing.	YV12, YUY2	Plugin / Script	Didée (script) / Tritical (plugin)
WaterShed	see [41]		Plugin
TMM	see [42]		Plugin	Tritical
Tracking	demo at Youtube. Use computer vision to track objects in the video, and produce ConditionalReader input.		Plugin	Shlomo Matichin
Unpremultiply	This plugin convert the input RGBA clip from premultiplied alpha to straight matted alpha.		Plugin

Retrieved from "http://avisynth.nl/index.php?title=External_filters&oldid=2120"

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