The author uses it with video from its camera in landscape mode.Īlter the fps by duplicating/blending images so that the duration is unchanged. It rotates the video by 90/180/270 degree. Then open Avidemux and import the movie to be rotated into it, by dragging it into the program. This filter was written by Tracy (see file for more informations) Now the steps to take are the same on both Windows and macOS. Usefull when using broken video capture card for example. It is used internally by *VCD res to resize a video to a give size without altering the aspect ratio. This filter *ADDS* black border (the previous one replaces). It may be useful to replace dirty border by clean one (VHS capture for example) This filter replaces border(s) of video by pure black. It is important as 4/3 has non square pixel (different for PAL and NTSC) and if you do 1:1 -> 1:1 you will end up with distorted image. If you do DVD2Divx for example, source is 4/3 or 16/9 and destination is 1:1. Lanczos : Hard to describe, very sharp.Bicubic : Keep sharpness, harder to encode (for example leads more easily to macroblocking in SVCD).Bilinear : Smooth a bit but easier to encode.You can direcly enter the new width/height and the resize algorithm or use the slider and the menu. The filter dialog config box is the same for both filters : Mplayer resize is a port of Michael Niedermayer resize filter, which is used in mplayerĪvisynth resize is slightly more accurate, but mplayer resize is 3x faster without any perceptible difference. The resize filter is a port to YV12 of avisynth resize filter. It won't work very well on a noisy source (capture) On a clean video (dvd), you can try the Autocrop button. You can preview the part that will be cropped using the Apply button. The cropped value left/right/top/bottom must be even. This filter crops the video (for example to remove black border). This set of filters deeply alter the source video : Resize, rotate, flip and crop.
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