FFMpeg 滤镜中英文对照

FFMpeg ver 20160213-git-588e2e3 滤镜中英文对照 2016.02.17 by 1CM

T.. = Timeline support
      支持时间轴
.S. = Slice threading
      分段线程
..C = Command support
      支持命令传送
A = Audio input/output
    音频 输入/输出
V = Video input/output
    视频 输入/输出
N = Dynamic number and/or type of input/output
    可输入动态值
| = Source or sink filter
    源或场景过滤

Audio Filters
音频滤镜

 ... acompressor       A->A       Audio compressor.
                                  压缩音频.
 ... acrossfade        AA->A      Cross fade two input audio streams.
                                  交叉混合输入的两个音频流.
 T.. adelay            A->A       Delay one or more audio channels.
                                  延迟单个或多个音频通道.
 ... aecho             A->A       Add echoing to the audio.
                                  音频上追加回波.
 ... aemphasis         A->A       Audio emphasis.
                                  音频补偿.
 ... aeval             A->A       Filter audio signal according to a specified expression.
                                  根据指定的表达式修改音频信号.
 T.. afade             A->A       Fade in/out input audio.
                                  淡入/淡出 输入的音频.
 ... afftfilt          A->A       Apply arbitrary expressions to samples in frequency domain.
                                  将任意表达式应用到采样频域.
 ... aformat           A->A       Convert the input audio to one of the specified formats.
                                  指定格式转换输入的音频.
 ... agate             A->A       Audio gate.
                                  音频通道.
 ... ainterleave       N->A       Temporally interleave audio inputs.
                                  时间交叠输入音频.
 ... alimiter          A->A       Audio lookahead limiter.
                                  音频超前限制.
 ... allpass           A->A       Apply a two-pole all-pass filter.
                                  应用到一个两极全通滤镜.
 ... amerge            N->A       Merge two or more audio streams into a single multi-channel stream.
                                  两个或两个以上的音频流合并到一个多通道流.
 T.. ametadata         A->A       Manipulate audio frame metadata.
                                  操控音频帧的元数据.
 ... amix              N->A       Audio mixing.
                                  多个输入音频混合到单个音频输出.
 ..C anequalizer       A->N       Apply high-order audio parametric multi band equalizer.
                                  应用到每个通道高阶参数多波段均衡器.
 ... anull             A->A       Pass the source unchanged to the output.
                                  不改变音频源进行输出.
 T.. apad              A->A       Pad audio with silence.
                                  无声填充模板.
 ... aperms            A->A       Set permissions for the output audio frame.
                                  允许设置输出的音频帧.
 ... aphaser           A->A       Add a phasing effect to the audio.
                                  给输入音频添加调相效果.
 ... apulsator         A->A       Audio pulsator.
                                  音频震动器.
 ... arealtime         A->A       Slow down filtering to match realtime.
                                  减慢过滤作用,近似实时匹配.
 ... aresample         A->A       Resample audio data.
                                  重新采样音频数据.
 ... areverse          A->A       Reverse an audio clip.
                                  反转音频素材.
 ... aselect           A->N       Select audio frames to pass in output.
                                  选择音频帧赋予输出.
 ... asendcmd          A->A       Send commands to filters.
                                  给滤镜发送命令,必须插入到两个音频之间,只对具有该功能的滤镜命令有效.
 ... asetnsamples      A->A       Set the number of samples for each output audio frames.
                                  设置每个输出音频帧的采样数.
 ... asetpts           A->A       Set PTS for the output audio frame.
                                  设置输出音频的表示时间戳(PTS).
 ... asetrate          A->A       Change the sample rate without altering the data.
                                  设置采样率,但不改变PCM数据.
 ... asettb            A->A       Set timebase for the audio output link.
                                  设置时间轴用于音频输出帧的时间戳.
 ... ashowinfo         A->A       Show textual information for each audio frame.
                                  显示每个音频帧的文本信息.
 ... asplit            A->N       Pass on the audio input to N audio outputs.
                                  输入的音频分配给N个相同的输出.
 ... astats            A->A       Show time domain statistics about audio frames.
                                  显示音频帧的时域统计信息.
 ..C astreamselect     N->N       Select audio streams.
                                  多个输入音频流中选择一个音频流,若干个具有相同时间长度的媒体有效.
 ..C atempo            A->A       Adjust audio tempo.
                                  调整音频播放速度, 其范围是0.5-2.0.
 ... atrim             A->A       Pick one continuous section from the input, drop the rest.
                                  从输入音频中挑选连续的组成部分,一直到结束.
 ... bandpass          A->A       Apply a two-pole Butterworth band-pass filter.
                                  应用到一个两极巴特沃斯带通滤波器的主要频率.
 ... bandreject        A->A       Apply a two-pole Butterworth band-reject filter.
                                  应用到一个两极巴特沃斯带阻滤波器的主要频率.
 ... bass              A->A       Boost or cut lower frequencies.
                                  增加或减少低频.
 ... biquad            A->A       Apply a biquad IIR filter with the given coefficients.
                                  应用到双二次滤镜的特定系数.
 ... bs2b              A->A       Bauer stereo-to-binaural filter.
                                  鲍尔立体声双声道的转换,适合用耳机听立体声音频.
 ... channelmap        A->A       Remap audio channels.
                                  将输入音频通道重新映射到新的位置.
 ... channelsplit      A->N       Split audio into per-channel streams.
                                  输入音频流的每个音频通道分为不同的输出流.
 ... chorus            A->A       Add a chorus effect to the audio.
                                  给音频添加合唱效果.
 ... compand           A->A       Compress or expand audio dynamic range.
                                  压缩或展开音频的动态范围.
 ... compensationdelay A->A       Audio Compensation Delay Line.
                                  给音频补偿延迟线.
 T.. dcshift           A->A       Apply a DC shift to the audio.
                                  应用到DC偏置(可能由硬件问题引起的录音通路)的音频.
 ... dynaudnorm        A->A       Dynamic Audio Normalizer.
                                  动态音频的标准化.
 ... earwax            A->A       Widen the stereo image.
                                  扩展到用耳机听到立体感.
 ... ebur128           A->N       EBU R128 scanner.
                                  EBU R128 音频可视化扫描滤镜.
 ... equalizer         A->A       Apply two-pole peaking equalization (EQ) filter.
                                  应用到两极峰值均衡器(EQ)滤镜.
 ... extrastereo       A->A       Increase difference between stereo audio channels.
                                  给左右音频通道线性增加某种"现场"回放效果.
 ... flanger           A->A       Apply a flanging effect to the audio.
                                  翻边效果应用到音频中.
 ... highpass          A->A       Apply a high-pass filter with 3dB point frequency.
                                  应用到3db点频率的高通滤镜.
 ... join              N->A       Join multiple audio streams into multi-channel output.
                                  多输入音频流连接到一个多通道输出流.
 ... lowpass           A->A       Apply a low-pass filter with 3dB point frequency.
                                  应用到3db点频率的低通滤镜.
 ... pan               A->A       Remix channels with coefficients (panning).
                                  混合特定增益电平的通道(填充).
 ... replaygain        A->A       ReplayGain scanner.
                                  显示增益和峰值的扫描滤镜.
 ... sidechaincompress AA->A      Sidechain compressor.
                                  侧链压缩器,需要两个输入流,返回一个输出流.
 ... sidechaingate     AA->A      Audio sidechain gate.
                                  音频侧链的增益.
 ... silencedetect     A->A       Detect silence.
                                  检测音频流中的无声部分.
 ... silenceremove     A->A       Remove silence.
                                  删除无声部分,从开始到结束.
 ... stereotools       A->A       Apply various stereo tools.
                                  应用到不同立体感的功能.
 ... stereowiden       A->A       Apply stereo widening effect.
                                  应用到扩展立体效果.
 ... treble            A->A       Boost or cut upper frequencies.
                                  增加或减少上频率.
 ... tremolo           A->A       Apply tremolo effect.
                                  应用到震音效果,有一点回音效果.
 ... vibrato           A->A       Apply vibrato effect.
                                  应用到颤音效果.
 T.C volume            A->A       Change input volume.
                                  改变输入音频的音量.
 ... volumedetect      A->A       Detect audio volume.
                                  检测输入音频的音量.
 ... aevalsrc          |->A       Generate an audio signal generated by an expression.
                                  根据指定的表达式生成一个音频信号.
 ... anoisesrc         |->A       Generate a noise audio signal.
                                  生成一个噪声音频信号.
 ... anullsrc          |->A       Null audio source, return empty audio frames.
                                  生成无声音频源,返回未处理的空音频帧.
 ... sine              |->A       Generate sine wave audio signal.
                                  生成一个正弦波音频信号.
 ... anullsink         A->|       Do absolutely nothing with the input audio.
                                  无声音频接收器,与输入音频无关.
 ... adrawgraph        A->V       Draw a graph using input audio metadata.
                                  利用音频的元数据画曲线图.
 ... ahistogram        A->V       Convert input audio to histogram video output.
                                  输入音频转换为视频输出,显示音量直方图.
 ... aphasemeter       A->V       Convert input audio to phase meter video output.
                                  输入音频转换为相位表视频输出.
 ... avectorscope      A->V       Convert input audio to vectorscope video output.
                                  输入音频转换为矢量色度显示视频输出.
 ... showcqt           A->V       Convert input audio to a CQT (Constant/Clamped Q Transform) spectrum video output.
                                  输入音频转换为 固定/固支 Q 变换(CQT) 频谱视频输出.
 ... showfreqs         A->V       Convert input audio to a frequencies video output.
                                  输入音频转换为音频功率谱视频输出.
 ... showspectrum      A->V       Convert input audio to a spectrum video output.
                                  输入音频转换为音频频谱视频输出.
 ... showspectrumpic   A->V       Convert input audio to a spectrum video output single picture.
                                  输入音频转换为单张音谱图片.
 ... showvolume        A->V       Convert input audio volume to video output.
                                  输入音频音量转换为视频输出.
 ... showwaves         A->V       Convert input audio to a video output.
                                  输入音频转换为波形视频输出.
 ... showwavespic      A->V       Convert input audio to a video output single picture.
                                  输入音频转换为单张波形图片.
 ... spectrumsynth     VV->A      Convert input spectrum videos to audio output.
                                  输入视频谱转换为音频输出.
 ... abuffer           |->A       Buffer audio frames, and make them accessible to the filterchain.
                                  缓冲音频帧,并用于滤镜链.
 ... abuffersink       A->|       Buffer audio frames, and make them available to the end of the filter graph.
                                  缓冲音频帧,并用于滤镜图的结束.
 ... afifo             A->A       Buffer input frames and send them when they are requested.
                                  缓冲输入帧,若需求时.
 ... amovie            |->N       Read audio from a movie source.
                                  从视频源读入音频.

Video Filters
视频滤镜

 ... alphaextract      V->N       Extract an alpha channel as a grayscale image component.
                                  从灰度级测视图中提取阿尔法α通道分量.
 ... alphamerge        VV->V      Copy the luma value of the second input into the alpha channel of the first input.
                                  使用第一个输入视频的阿尔法α通道分量,添加或替换的第二个输入视频亮度值.
 TS. atadenoise        V->V       Apply an Adaptive Temporal Averaging Denoiser.
                                  自适应时间平均降噪功能应用在输入的视频.
 ... ass               V->V       Render ASS subtitles onto input video using the libass library.
                                  使用libass程序库给输入视频渲染ASS字幕.
 T.. bbox              V->V       Compute bounding box for each frame.
                                  视频的每一个帧上计算边界框.
 ... blackdetect       V->V       Detect video intervals that are (almost) black.
                                  检测视频中完全(几乎)黑色的时间间隔.
 ... blackframe        V->V       Detect frames that are (almost) black.
                                  检测完全(几乎)黑色的帧.
 TS. blend             VV->V      Blend two video frames into each other.
                                  两个视频帧混合到另一个帧上.
 T.. boxblur           V->V       Blur the input.
                                  模糊处理输入视频.
 TS. chromakey         V->V       Turns a certain color into transparency. Operates on YUV colors.
                                  在YUV颜色空间中针对一些颜色做透明处理,应用与抠图功能,比 colorkey 滤镜边界更柔和.
 T.. codecview         V->V       Visualize information about some codecs.
                                  导出一些解码器的可视化信息.
 T.. colorbalance      V->V       Adjust the color balance.
                                  修改输入帧的三原色(红、绿、蓝)信号亮度.
 T.. colorchannelmixer V->V       Adjust colors by mixing color channels.
                                  调整输入视频帧的混合颜色通道.
 TS. colorkey          V->V       Turns a certain color into transparency. Operates on RGB colors.
                                  在RGB颜色空间中针对一些颜色做透明处理,边界较为生硬.
 T.. colorlevels       V->V       Adjust the color levels.
                                  调整输入视频帧的颜色信号电平.
 TS. colormatrix       V->V       Convert color matrix.
                                  转换颜色矩阵.
 T.. convolution       V->V       Apply convolution filter.
                                  使用卷积3x3或5x5滤镜,适用于锐化,模糊,边缘增强,边缘检测和浮雕等处理.
 ... copy              V->V       Copy the input video unchanged to the output.
                                  复制输入视频,原封不动输出,主要是用于测试目的.
 ... cover_rect        V->V       Find and cover a user specified object.
                                  查找并覆盖用户指定的矩形对象.
 ..C crop              V->V       Crop the input video to given dimensions.
                                  剪切输入视频显示区域,并给于新的尺寸.
 T.. cropdetect        V->V       Auto-detect crop size.
                                  自动检测剪切大小.
 TS. curves            V->V       Adjust components curves.
                                  利用曲线功能调整颜色分量,也可以利用图象处理软件的曲线文件来处理颜色.
 TS. dctdnoiz          V->V       Denoise frames using 2D DCT.
                                  使用二维频域过滤(2D DCT)对帧进行降噪处理.
 TS. deband            V->V       Debands video, Remove banding artifacts from input video.
                                  从输入视频中移除带状伪像.
 ... decimate          N->V       Decimate frames (post field matching filter).
                                  定期删除重复的帧(后场匹配滤镜).
 T.. deflate           V->V       Apply deflate effect.
                                  适用于紧缩效果.
 ... dejudder          V->V       Remove judder produced by pullup.
                                  删除动作产生的部分颤抖.
 T.. delogo            V->V       Remove logo from input video.
                                  对指定区域做模糊处理,比如能移除输入视频中的标识.
 ... deshake           V->V       Stabilize shaky video.
                                  试图修改水平或垂直的移位,降低颤抖让视频更稳定,这个滤镜有助于减小手持相机抖动影响.
 ... detelecine        V->V       Apply an inverse telecine pattern.
                                  适用于电视电影的精确反向操作,颜色边界有锯齿效果.
 T.. dilation          V->V       Apply dilation effect.
                                  膨胀效果应用于视频.
 T.. displace          VVV->V     Displace pixels.
                                  移走像素,需要三个视频输入流和一个视频输出流,第一个输入源,第二和第三个输入位移的映射.
 T.. drawbox           V->V       Draw a colored box on the input video.
                                  输入视频图像上绘制彩色的矩形区域.
 ... drawgraph         V->V       Draw a graph using input video metadata.
                                  利用输入视频的元数据绘制图表.
 T.. drawgrid          V->V       Draw a colored grid on the input video.
                                  在输入视频上绘制彩色网格.
 T.C drawtext          V->V       Draw text on top of video frames using libfreetype library.
                                  使用 libfreetype 程序库,在顶层帧上绘制文本字符串,文本内容可从指定文件中读取.
 T.. edgedetect        V->V       Detect and draw edge.
                                  检测并绘制边缘.
 ... elbg              V->V       Apply posterize effect, using the ELBG algorithm.
                                  使用增强型LBG(ELBG)算法,用于多色调分色印效果.
 ..C eq                V->V       Adjust brightness, contrast, gamma, and saturation.
                                  调整亮度、对比度、灰度和饱和度.
 T.. erosion           V->V       Apply erosion effect.
                                  侵蚀效果应用于视频,类似油画处理.
 ... extractplanes     V->N       Extract planes as grayscale frames.
                                  从输入视频流中提取颜色通道分量用在单独灰度视频流的帧上.
 .S. fade              V->V       Fade in/out input video.
                                  适用于输入视频的淡入/淡出效果.
 ... fftfilt           V->V       Apply arbitrary expressions to pixels in frequency domain.
                                  频域内将任意表达式用于采样的像素集.
 ... field             V->V       Extract a field from the input video.
                                  使用步进算法,从输入视频里的隔行图像中提取单场.
 ... fieldmatch        N->V       Field matching for inverse telecine.
                                  场匹配滤镜适用于电视电影的反向操作.
 T.. fieldorder        V->V       Set the field order.
                                  改变输入视频的场顺序.
 ... find_rect         V->V       Find a user specified object.
                                  寻找用户指定的矩形区域.
 ... format            V->V       Convert the input video to one of the specified pixel formats.
                                  输入视频转换为指定的像素格式.
 ... fps               V->V       Force constant framerate.
                                  强制设定固定帧频.
 ... framepack         VV->V      Generate a frame packed stereoscopic video.
                                  生成帧叠加的立体视频.
 ... framerate         V->V       Upsamples or downsamples progressive source between specified frame rates.
                                  上采样或下采样顺序渐进的视频源之间设定指定帧频.
 T.. framestep         V->V       Select one frame every N frames.
                                  每 N 个帧中选一个帧,设置帧步.
 ... frei0r            V->V       Apply a frei0r effect.
                                  使用 frei0r 滤镜.
 T.. fspp              V->V       Apply Fast Simple Post-processing filter.
                                  用于快速和简单的后处理滤镜.
 T.. geq               V->V       Apply generic equation to each pixel.
                                  利用一般表达式改变每个像素点的特征.
 T.. gradfun           V->V       Debands video quickly using gradients.
                                  利用梯度快速移除带状伪像.
 TS. haldclut          VV->V      Adjust colors using a Hald CLUT.
                                  利用哈尔德查色表调整颜色.
 .S. hflip             V->V       Horizontally flip the input video.
                                  水平翻转显示输入视频.
 T.. histeq            V->V       Apply global color histogram equalization.
                                  适用于全局颜色直方图均衡化.
 ... histogram         V->V       Compute and draw a histogram.
                                  计算并绘制颜色分布直方图.
 T.. hqdn3d            V->V       Apply a High Quality 3D Denoiser.
                                  使用高质量三维降噪滤镜.
 .S. hqx               V->V       Scale the input by 2, 3 or 4 using the hq*x magnification algorithm.
                                  利用高质量放大算法缩放视频显示大小,可输入2,3或4.
 ... hstack            N->V       Stack video inputs horizontally.
                                  把若干个输入视频合并到一个水平显示的输出视频.
 T.C hue               V->V       Adjust the hue and saturation of the input video.
                                  调整输入视频的色相和饱和度.
 ... idet              V->V       Interlace detect Filter.
                                  检测视频的交叉类型滤镜.
 T.. il                V->V       Deinterleave or interleave fields.
                                  允许处理不交叉的隔行图像场.
 T.. inflate           V->V       Apply inflate effect.
                                  膨胀效果用于视频.
 ... interlace         V->V       Convert progressive video into interlaced.
                                  转化为分段视频用于隔行处理,颜色边界有锯齿效果.
 ... interleave        N->V       Temporally interleave video inputs.
                                  能执行时间场交叉的各种类型.
 ... kerndeint         V->V       Apply kernel deinterlacing to the input.
                                  对输入的视频进行内核反交叉处理.
 .S. lenscorrection    V->V       Rectify the image by correcting for lens distortion.
                                  矫正图像用于校正透镜畸变.
 TS. lut3d             V->V       Adjust colors using a 3D LUT.
                                  利用三维查色表调整颜色.
 T.. lut               V->V       Compute and apply a lookup table to the RGB/YUV input video.
                                  利用查表计算处理 RGB/YUV 格式输入的视频.
 T.. lutrgb            V->V       Compute and apply a lookup table to the RGB input video.
                                  利用查表计算处理 RGB 格式输入的视频.
 T.. lutyuv            V->V       Compute and apply a lookup table to the YUV input video.
                                  利用查表计算处理 YUV 格式输入的视频.
 T.. maskedmerge       VVV->V     Merge first stream with second stream using third stream as mask.
                                  合并前二个输入视频,掩模到第三个输入视频,透明合并三个视频.
 ... mcdeint           V->V       Apply motion compensating deinterlacing.
                                  适用于运动补偿反交叉.
 ... mergeplanes       N->V       Merge planes.
                                  合并多个视频流的颜色通道分量.
 T.. metadata          V->V       Manipulate video frame metadata.
                                  操作视频帧的元数据,用于调试.
 ... mpdecimate        V->V       Remove near-duplicate frames.
                                  移除近似重复的帧.
 T.. negate            V->V       Negate input video.
                                  取消输入视频的阿尔法通道分量,滤镜效果类似底片.
 T.. nnedi             V->V       Apply neural network edge directed interpolation intra-only deinterlacer.
                                  使用神经网络边缘插值法进行反隔行处理,需要加权重的二进制文件.
 ... noformat          V->V       Force libavfilter not to use any of the specified pixel formats for the input to the next filter.
                                  取消指定的像素格式,用于下一个滤镜.
 TS. noise             V->V       Add noise.
                                  视频输入帧上添加噪声.
 ... null              V->V       Pass the source unchanged to the output.
                                  不改变视频源进行输出.
 T.C overlay           VV->V      Overlay a video source on top of the input.
                                  把一个视频覆盖到另一个视频上面,需要两个输入和一个输出.
 T.. owdenoise         V->V       Denoise using wavelets.
                                  利用小波降噪法进行降噪处理.
 ... pad               V->V       Pad the input video.
                                  给输入视频添加填充新的显示区域.
 ... palettegen        V->V       Find the optimal palette for a given stream.
                                  生成最佳调色板,用于给定的视频流.
 ... paletteuse        VV->V      Use a palette to downsample an input video stream.
                                  下采样输入视频流中使用调色板,适用于生成 GIF 动态图.
 ... perms             V->V       Set permissions for the output video frame.
                                  给输出视频帧设置读/写权限.
 TS. perspective       V->V       Correct the perspective of video.
                                  校正视频的透视.
 T.. phase             V->V       Phase shift fields.
                                  对隔行视频延迟单场时间,便于场序的变化.
 ... pixdesctest       V->V       Test pixel format definitions.
                                  像素格式描述符测试滤镜,主要用于内部测试.
 T.C pp                V->V       Filter video using libpostproc.
                                  使用 libpostproc 后处理程序库进行过滤.
 T.. pp7               V->V       Apply Postprocessing 7 filter.
                                  使用后处理滤镜7.
 ... psnr              VV->V      Calculate the PSNR between two video streams.
                                  计算两个视频流之间的峰值信噪比(PSNR).
 ... pullup            V->V       Pullup from field sequence to frames.
                                  折叠场序用于输出帧,退回到电视电影效果.
 T.. qp                V->V       Change video quantization parameters.
                                  改变视频量化参数(QP).
 ... random            V->V       Return random frames.
                                  从内部缓存刷新出视频帧的随机帧.
 ... realtime          V->V       Slow down filtering to match realtime.
                                  减慢过滤速度,接近实时效果.
 TS. removegrain       V->V       Remove grain.
                                  移除纹理,对步进视频进行降噪处理.
 T.. removelogo        V->V       Remove a TV logo based on a mask image.
                                  利用掩模图像移除电视徽标,掩模图像的大小必须与视频相同,黑色是透明.
 ... repeatfields      V->V       Hard repeat fields based on MPEG repeat field flag.
                                  根据运动图象专家组(MPEG)重复场标志,硬执行重复场.
 ... reverse           V->V       Reverse a clip.
                                  倒放一段视频片段,需要把整个片段装入内存缓冲区.
 TSC rotate            V->V       Rotate the input image.
                                  任意角度旋转视频,用弧度表示的单位.
 T.. sab               V->V       Apply shape adaptive blur.
                                  形状自适应模糊滤镜.
 ..C scale             V->V       Scale the input video size and/or convert the image format.
                                  缩放输入视频的尺寸并/或改变图像格式,使用libswscale库.
 ..C scale2ref         VV->VV     Scale the input video size and/or convert the image format to the given reference.
                                  缩放输入视频的尺寸并/或改变图像格式用于引用视频,使用libswscale库.
 ... select            V->N       Select video frames to pass in output.
                                  选择视频帧用于下一个滤镜.
 TS. selectivecolor    V->V       Apply CMYK adjustments to specific color ranges.
                                  利用青色,品红色,黄色和黑色(CMYK)调整特定范围的颜色.
 ... sendcmd           V->V       Send commands to filters.
                                  给滤镜发送命令,必须插入到两个视频之间,只对具有该功能的滤镜命令有效.
 ... separatefields    V->V       Split input video frames into fields.
                                  分解输入视频帧进场,产生一个新的一半高度剪辑帧.
 ... setdar            V->V       Set the frame display aspect ratio.
                                  设置视频的显示纵横比.
 ... setfield          V->V       Force field for the output video frame.
                                  改变输出视频帧的属性,不改变视频帧的数据.
 ... setpts            V->V       Set PTS for the output video frame.
                                  设置输出视频帧的显示时间戳(PTS),可以用于快放或慢放等.
 ... setsar            V->V       Set the pixel sample aspect ratio.
                                  设置像素采样纵横比.
 ... settb             V->V       Set timebase for the video output link.
                                  设置时间轴用于视频输出帧的时间戳,主要用于测试时间轴配置.
 ... showinfo          V->V       Show textual information for each video frame.
                                  显示每个视频帧的文本信息.
 T.. showpalette       V->V       Display frame palette.
                                  显示每一帧的 256 色调色板.
 T.. shuffleframes     V->V       Shuffle video frames.
                                  打乱视频帧,重新排序和/或重复视频帧.
 ... shuffleplanes     V->V       Shuffle video planes.
                                  打乱视频映射平面,重新排序和/或重复视频映射平面.
 .S. signalstats       V->V       Generate statistics from video analysis.
                                  分析视频过程中生成统计信息.
 T.. smartblur         V->V       Blur the input video without impacting the outlines.
                                  模糊处理输入视频而不影响轮廓.
 ... split             V->N       Pass on the input to N video outputs.
                                  输入的视频分配给N个相同的视频输出.
 T.C spp               V->V       Apply a simple post processing filter.
                                  简单的后处理滤镜,设置压缩品质对视频进行压缩.
 ... ssim              VV->V      Calculate the SSIM between two video streams.
                                  计算两个输入视频之间的结构相似度(SSIM).
 .S. stereo3d          V->V       Convert video stereoscopic 3D view.
                                  视频转换成具有不同立体图像格式的三维视觉视频.
 ..C streamselect      N->N       Select video streams
                                  多个输入视频流中选择一个视频流,若干个具有相同时间长度的媒体有效.
 ... subtitles         V->V       Render text subtitles onto input video using the libass library.
                                  使用 libass 程序库输入视频上绘制字幕.
 ... super2xsai        V->V       Scale the input by 2x using the Super2xSaI pixel art algorithm.
                                  利用像素艺术扩展算法把输入视频平滑放大两倍.
 T.. swaprect          V->V       Swap 2 rectangular objects in video.
                                  视频流中交换两个矩形对象.
 ... swapuv            V->V       Swap U and V components.
                                  交换 U 和 V 映射平面分量.
 .S. tblend            V->V       Blend successive frames.
                                  两个视频帧混合到另一个帧上.
 ... telecine          V->V       Apply a telecine pattern.
                                  使用电视电影模式,颜色边界有锯齿效果.
 ... thumbnail         V->V       Select the most representative frame in a given sequence of consecutive frames.
                                  在给定的连续帧序列中选择具有代表性帧.
 ... tile              V->V       Tile several successive frames together.
                                  瓦状布局若干个连续的帧,类似视频缩略图.
 ... tinterlace        V->V       Perform temporal field interlacing.
                                  使用不同的隔行模式处理每一个帧.
 .S. transpose         V->V       Transpose input video.
                                  翻转输入视频,默认垂直翻转.
 ... trim              V->V       Pick one continuous section from the input, drop the rest.
                                  从输入视频中挑选连续的组成部分,一直到结束.
 T.. unsharp           V->V       Sharpen or blur the input video.
                                  锐化或模糊处理输入视频.
 T.. uspp              V->V       Apply Ultra Simple / Slow Post-processing filter.
                                  超慢/简单的后处理滤镜,设置压缩品质对视频进行压缩.
 ... vectorscope       V->V       Video vectorscope.
                                  显示输入视频的两个颜色分量值的二维图(矢量显示).
 ... vflip             V->V       Flip the input video vertically.
                                  垂直翻转显示输入视频.
 ... vidstabdetect     V->V       Extract relative transformations,for stabilization.
                                  提取视频的相对地变化,绘制矩形图矩阵内的箭头方向来显示变化趋势.
 ... vidstabtransform  V->V       Video stabilization/deshaking.
                                  平滑/反锐化处理视频.
 T.. vignette          V->V       Make or reverse a vignette effect.
                                  生成或扭转镜头自然渐晕效果.
 ... vstack            N->V       Stack video inputs vertically.
                                  把若干个输入视频垂直放置,所有视频的像素格式和宽度必须相同.
 TS. w3fdif            V->V       Apply Martin Weston three field deinterlace.
                                  使用马丁韦斯顿三场反隔行滤镜。
 ... waveform          V->V       Video waveform monitor.
                                  视频波形监视器.
 .S. xbr               V->V       Scale the input using xBR algorithm.
                                  应用xBR算法放大输入视频,默认是放大三倍.
 TS. yadif             V->V       Deinterlace the input image.
                                  对输入图像进行反隔行处理.
 T.. zoompan           V->V       Apply Zoom & Pan effect.
                                  用于缩放和填充效果.
 ..C zscale            V->V       Apply resizing, colorspace and bit depth conversion.
                                  用于重新调整大小,改变色隙和色彩深度.
 ... allrgb            |->V       Generate all RGB colors.
                                  生成大小为 4096x4096 的包含所有 RGB 颜色表,需要大量内存.
 ... allyuv            |->V       Generate all yuv colors.
                                  生成大小为 4096x4096 的包含所有 yuv 颜色表,需要大量内存.
 ... cellauto          |->V       Create pattern generated by an elementary cellular automaton.
                                  利用初级多孔自动生成器创建一个图案,指定模式生成无数小三角形矩阵.
 ..C color             |->V       Provide an uniformly colored input.
                                  提供了一个单色输入视频源.
 ... frei0r_src        |->V       Generate a frei0r source.
                                  提供frei0r接口,frei0r是ffmpeg的子滤镜.
 ... haldclutsrc       |->V       Provide an identity Hald CLUT.
                                  给哈尔德查色表源提供单位特征.
 ... life              |->V       Create life.
                                  生成随机花纹的图案.
 ... mandelbrot        |->V       Render a Mandelbrot fractal.
                                  生成一个曼德尔勃特集合分形,逐渐放大到指定点.
 ... mptestsrc         |->V       Generate various test pattern.
                                  生成各种测试图案,静/动态小方块矩阵和圆形图案.
 ... nullsrc           |->V       Null video source, return unprocessed video frames.
                                  生成空视频源,返回未处理的空视频帧.
 ... rgbtestsrc        |->V       Generate RGB test pattern.
                                  生成 RGB 测试图案,横向红绿蓝三条图案.
 ... smptebars         |->V       Generate SMPTE color bars.
                                  生成 SMPTE 颜色条图案,像电视测试信号视频.
 ... smptehdbars       |->V       Generate SMPTE HD color bars.
                                  生成 SMPTE HD 颜色条图案.
 ... testsrc           |->V       Generate test pattern.
                                  生成测试图案.
 ... testsrc2          |->V       Generate another test pattern.
                                  生成另一个测试图案.
 ... nullsink          V->|       Do absolutely nothing with the input video.
                                  生成空视频模板,与输入视频无关.
 ... concat            N->N       Concatenate audio and video streams.
                                  连接音频和视频流.
 ... movie             |->N       Read from a movie source.
                                  从视频源读入视频.
 ... buffer            |->V       Buffer video frames, and make them accessible to the filterchain.
                                  缓冲视频帧,并用于滤镜链.
 ... buffersink        V->|       Buffer video frames, and make them available to the end of the filter graph.
                                  缓冲视频帧,并用于滤镜图的结束.
 ... fifo              V->V       Buffer input images and send them when they are requested.
                                  缓冲输入帧,若需要时.

转载于:https://www.cnblogs.com/nlsoft/p/5195172.html

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