AviSynth2.5核心滤镜
这里列出了AviSynth2.5中的核心滤镜，按照他们的功能进行了分类，并附有简介和他们所支持的颜色空间（音频滤镜附有其支持的采样类型）。其中一部分滤镜可以将两个（或更多）剪辑进行不同方式的组合，简介中分别描述了他们各自处理剪辑的方式，您也可以参考这里看看他们之间的对比。
本页编译：dgwxx。
媒体文件滤镜
媒体文件滤镜可以用过来读/写媒体文件。他们可以用来创建原始剪辑。要了解不通过文件创建原始剪辑的滤镜，请参见调试用滤镜。
| 滤镜 | 简介 | 颜色空间 |
|---|---|---|
| AviSource / AviFileSource / OpenDMLSource | 打开AVI文件。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| DirectShowSource | 通过DirectShow打开媒体文件。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| ImageReader / ImageSource | 通过读取图片创建剪辑。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| ImageWriter | 将视频帧保存为图片。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Import | 在当前脚本中导入另一个AVS脚本。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| SegmentedAviSource / SegmentedDirectShowSource | 自动序列导入最多100个视频文件。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| WavSource | 打开WAV文件或打开AVI文件中的音轨。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
色彩变换和调整滤镜
以下滤镜用于改变颜色空间类型或者调整一段视频中的颜色。
| 滤镜 | 简介 | 颜色空间 |
|---|---|---|
| ColorYUV | 此滤镜用于独立地调节色度和亮度。 | YUY2, Y8, YV411, YV12, YV16, YV24 |
| ConvertBackToYUY2 | 此滤镜用于将一段RGB格式视频转换回YUY2格式。 | RGB24, RGB32 |
| ConvertToRGB | 此滤镜用于将视频转换成RGB32格式，除非源已是RGB24格式。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| ConvertToRGB24 / ConvertToRGB32 / ConvertToYUY2 / ConvertToY8 / ConvertToYV411 / ConvertToYV12 / ConvertToYV16 / ConvertToYV24 | 此滤镜将视频转换成 RGB24 / RGB32 / YUY2 / Y8 / YV411 / YV12 / YV16 (YUY2的平面版) / YV24 (完整YUV)。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| FixLuminance | 此滤镜用于校正垂直亮度分量的漂移。 | YUY2 |
| GreyScale | 此滤镜用于将视频转换成灰阶形式。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Invert | 此滤镜用于翻转所选色彩通道的颜色。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Levels | 此滤镜用于调整黑电平(blacklevel)和白电平(whitelevel)的数值，该滤镜也可以调整视频的Gamma值。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Limiter | 此滤镜将视频中像素的色度亮度数值限制到CCIR-601标准的范围内。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| MergeARGB / MergeRGB | 此滤镜可以将每个输入的视频中选择一个颜色通道并将它们整合。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| MergeChroma / MergeLuma | 此滤镜可以将一个视频剪辑的色度/亮度合并到另一个视频中。有一个可选参数用于调整权重，也就是说可以自由分配两段视频的色度/亮度在新视频中所占的百分比。 | YUY2, Y8, YV411, YV12, YV16, YV24 |
| Merge | 此滤镜可以将一个视频剪辑的亮度和色度合并到另一个视频中。有一个可选参数用于调整权重，也就是说可以自由分配两段视频的亮度和色度在新视频中所占的百分比。 | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| RGBAdjust | 此滤镜用于独立地改变视频中的每个色彩通道。 | RGB24, RGB32 |
| ShowAlpha / ShowRed / ShowGreen / ShowBlue | 此滤镜用于显示(A)RGB格式视频中被选择的色彩通道。 | RGB24, RGB32 |
| SwapUV | 此滤镜用于交换一个视频的色度通道。 | YUY2, Y8, YV411, YV12, YV16, YV24 ? |
| Tweak | 此滤镜用于调整色彩、饱和度、亮度和对比度。 | YUY2, Y8, YV411, YV12, YV16, YV24 |
| UToY / VToY | 将色度平面U/V的信息复制到Y平面。（图像尺寸会缩小一半） | YUY2, Y8, YV411, YV12, YV16, YV24 |
| UToY8 / VToY8 | UToY.ConvertToY8 / VToY.ConvertToY8的简化形式 | YUY2, YV411, YV12, YV16, YV24 |
| YToUV | 此滤镜将指定两段视频中的亮度通道为新视频的U、V通道。新视频的图像尺寸变为源的两倍，亮度降为源的一半。如需增加亮度值，请使用MergeLuma滤镜。 | YUY2, YV12 ? |
Overlay and Mask filters
These filters can be used to layer clips with or without using masks and to create masks.
| 滤镜 | 简介 | 颜色空间 |
|---|---|---|
| ColorKeyMask | Sets the alpha-channel (similar as Mask does) but generates it by comparing the color. | RGB32 |
| Layer | Layering two videos. | RGB32, YUY2 |
| Mask | Applies an alpha-mask to a clip. | RGB32 |
| MaskHS | This filter returns a mask (as Y8) of clip using a given hue and saturation range. | YUY2, Y8, YV411, YV12, YV16, YV24 |
| Overlay | Overlay puts two clips on top of each other with an optional displacement of the overlaying image, and using different overlay methods. Furthermore opacity can be adjusted for the overlay clip. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| ResetMask | Applies an "all-opaque" alpha-mask to clip. | RGB32 |
| Subtract | Produces an output clip in which every pixel is set according to the difference between the corresponding pixels. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16 (?), YV24 |
Geometric deformation filters
These filters can be used to change image size, process borders or make other deformations of a clip.
| 滤镜 | 简介 | 颜色空间 |
|---|---|---|
| AddBorders | Adds black borders around the image. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Crop | Crops excess pixels off of each frame. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| CropBottom | Crops excess pixels off of the bottom of each frame. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| FlipHorizontal / FlipVertical | Flips the video from left to right/upside-down. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Letterbox | Letterbox simply blackens out the top and the bottom and optionally left and right side of each frame. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| HorizontalReduceBy2 / VerticalReduceBy2 / ReduceBy2 | Reduces the size of each frame by half horizontally, vertically or in both directions. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| BicubicResize / BilinearResize / BlackmanResize / GaussResize / LanczosResize / Lanczos4Resize / PointResize / SincResize / Spline16Resize / Spline36Resize / Spline64Resize | The resize filters rescale the input video frames to an arbitrary new resolution, using different sampling algorithms. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| TurnLeft / TurnRight / Turn180 | Rotates the clip 90 degrees counter-clockwise / 90 degrees clockwise. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
Pixel restoration filters
These filters can be used for image detail (pixel) restoration (like denoising, sharpening) of a clip.
| 滤镜 | 简介 | 颜色空间 |
|---|---|---|
| Blur / Sharpen | This a simple 3x3-kernel blurring/sharpening filter. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| GeneralConvolution | General 3x3 or 5x5 convolution matrix. | RGB32 |
| SpatialSoften / TemporalSoften | Removes noise from a video clip by selectively blending pixels spatially/temporally. | YUY2 (SpatialSoften), Y8, YV411, YV12, YV16, YV24 |
| FixBrokenChromaUpsampling | The free Canopus DV Codec v1.00 upsamples the chroma channels incorrectly (although newer non-free versions appear to work fine). FixBrokenChromaUpsampling filter compensates for it. | YUY2 |
Timeline editing filters
These filters can be used to arrange frames in time (clip cutting, splicing and other editing).
| 滤镜 | 简介 | 颜色空间 |
|---|---|---|
| AlignedSplice / UnalignedSplice | Joins two or more video clips end to end. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| AssumeFPS / AssumeScaledFPS / ChangeFPS / ConvertFPS | Changes framerates in different ways. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| DeleteFrame | Deletes a single frame, given as an argument. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Dissolve | Like AlignedSplice, except that the clips are combined with some overlap. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| DuplicateFrame | Duplicates a single frame given as an argument. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| FadeIn0 / FadeIn / FadeIn2 / FadeOut0 / FadeOut / FadeOut2 / FadeIO0 / FadeIO / FadeIO2 | Causes the video stream to fade linearly to black at the start or end. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| FreezeFrame | Replaces all the frames between first-frame and last-frame with a selected frame. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Interleave | Interleaves frames from several clips on a frame-by-frame basis. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Loop | Loops the segment from start frame to end frame a given number of times. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Reverse | This filter makes a clip play in reverse. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| SelectEven / SelectOdd | Makes an output video stream using only the even/odd numbered frames. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| SelectEvery | Selects frames with a fixed period, it is a generalization of SelectEven and SelectOdd. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| SelectRangeEvery | Selects a range of frames with a fixed period. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Trim | Trims a video clip so that it includes only the frames first-frame through last-frame. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
Interlace filters
These filters can be used for creating and processing field-based material (which is frame-based material separated into fields). AviSynth is capable of dealing with both progressive and interlaced material. The main problem is, that it often doesn't know what it receives from source filters. This is the reason that the field-based flag exists and can be used when dealing with interlaced material. More information about field-based video can be found here.
| 滤镜 | 简介 | 颜色空间 |
|---|---|---|
| AssumeFrameBased / AssumeFieldBased | Forces frame-based or field-based material. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| AssumeBFF / AssumeTFF | Forces field order. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Bob | Bob takes a clip and bob-deinterlaces it. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| ComplementParity | Changes top fields to bottom fields and vice-versa. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| DoubleWeave | The filter operates like Weave, except that it produces double the number of frames by combining both the odd and even pairs of fields. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| PeculiarBlend | This filter blends each frame with the following frame in a peculiar way. | YUY2 |
| Pulldown | This filter simply selects two out of every five frames of the source video. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| SeparateFields | Takes a frame-based clip and splits each frame into its component top and bottom fields. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| SwapFields | Swaps the two fields in an interlaced frame. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Weave | Weave takes even pairs of fields from a Fields Separated input video clip and combines them together to produce interlaced frames. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
Audio processing filters
These filters can be used to process audio. Audio samples from a clip will be automatically converted if any filters requires a special type of sample. This means that if a filter doesn't support the type of sample it is given, it will automatically convert the samples to something it supports. The internal formats supported in each filter is listed in the sample type column. A specific sample type can be forced by using the ConvertAudio functions.
If the sample type is float, when AviSynth has to output the data, it will be converted to 16 bit, since float cannot be passed as valid AVI data.
| 滤镜 | 简介 | Sample type |
|---|---|---|
| Amplify / AmplifydB | Amplify multiply audio samples by amount. | 16 bit, Float |
| AssumeSampleRate | Adjusts the playback speed of the audio. | All |
| AudioDub / AudioDubEx | AudioDub takes the video stream from the first argument and the audio stream from the second argument and combines them. AudioDubEx is similar, but it doesn't throw an exception if both clips don't have a video or audio stream. | All |
| ConvertAudioTo8bit / ConvertAudioTo16bit / ConvertAudioTo24bit / ConvertAudioTo32bit / ConvertAudioToFloat | Converts audio samples to 8/16/24/32/Float bits. | All |
| ConvertToMono | Merges all audio channels. | 16 bit, Float |
| DelayAudio | Delays the audio track by second seconds. | All |
| EnsureVBRMP3Sync | Corrects out-of-sync MP3-AVI's, when seeking or trimming. | All |
| GetChannel / GetLeftChannel / GetRightChannel | Returns an audio channel from a clip. | All |
| KillAudio / KillVideo | Removes the audio or video from a clip completely. | All |
| MergeChannels | Merges channels of two audio clips. | All |
| MixAudio | Mixes audio from two clips. | 16 bit, Float |
| MonoToStereo | Converts two mono signals to one stereo signal. | 16 bit, Float |
| Normalize | Amplifies the entire waveform as much as possible, without clipping. | 16 bit, Float |
| ResampleAudio | Performs a high-quality change of audio sample rate. | 16 bit |
| SuperEQ | High quality 16 band sound equalizer. | Float |
| SSRC | Very high quality samplerate conversion. | Float |
| TimeStretch | This filter can change speed of the sound without changing the pitch, and change the pitch of a sound without changing the length of a sound. | Float |
Conditional and other meta filters
Meta filters can be used to control other filters execution. The basic characteristic of conditional filters is that 'their scripts' are evaluated (executed) at every frame instead of the whole clip. This allows for complex video processing that would be difficult or impossible to be performed by a normal AviSynth script.
| 滤镜 | 简介 | 颜色空间 |
|---|---|---|
| ConditionalFilter / FrameEvaluate / ScriptClip | ConditionalFilter returns source1 if some condition is met, otherwise it returns source2. ScriptClip/FrameEvaluate returns the clip which is returned by the function evaluated on every frame. | YUY2 ?, YV12 |
| ConditionalReader | ConditionalReader allows you to import information from a text file, with different values for each frame - or a range of frames. | YUY2 ?, YV12 |
| WriteFile / WriteFileIf / WriteFileStart / WriteFileEnd | These filters evaluate expressions and output the results to a text-file. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 ? |
| Animate / ApplyRange | Animate (ApplyRange) is a meta-filter which evaluates its parameter filter with continuously varying (the same) arguments. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 ? |
| TCPServer / TCPSource | This filter will enable you to send clips over your network. You can connect several clients to the same machine. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
Debug filters
| 滤镜 | 简介 | 颜色空间 |
|---|---|---|
| BlankClip / Blackness | This filter produces a solid color, silent video clip of the specified length (in frames). | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| ColorBars | This filter produces a video clip containing SMPTE color bars scaled to any image size. | RGB32, YUY2, YV12 |
| Compare | Compares two clips and prints out information about the differences. | RGB24, RGB32, YUY2, YV12 |
| Histogram | Adds a histogram. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Info | Prints out image and sound information. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| MessageClip | Produces a clip containing a text message. | RGB32 |
| ShowFiveVersions | Takes five video clips and combines them in a staggered arrangement from left to right. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16 (?), YV24 |
| ShowFrameNumber / ShowSMPTE / ShowTime | Draws text on every frame indicating what number AviSynth thinks it is. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| StackHorizontal / StackVertical | Takes two or more video clips and displays them together in left-to-right/up-to-down order. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Subtitle | Adds a single line of anti-aliased text to a range of frames. | RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24 |
| Tone | This will generate sound. | Float |
| Version | Generates a video clip with a short version and copyright statement. | RGB24 |