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using:video_filter_resize [2010/04/15 16:05]
j.m created
using:video_filter_resize [2012/11/11 08:51] (current)
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 Avisynth resize is slightly more accurate, but MPlayer resize is 3x(nbsp)faster without any perceptible difference. Avisynth resize is slightly more accurate, but MPlayer resize is 3x(nbsp)faster without any perceptible difference.
  
-The filter dialog config box is the same for both filters+The filter dialog config box is the same for both filters. You can direcly enter the new width/​height and the resize algorithm or use the slider and the menu.
- +
-[[Image:​Resize.png]] +
- +
-You can direcly enter the new width/​height and the resize algorithm or use the slider and the menu.+
  
 In case you enter the values manually, press OK, not Apply, as pressing Apply recomputes the value from the slider position. In case you enter the values manually, press OK, not Apply, as pressing Apply recomputes the value from the slider position.
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 The aspect ratio is very important for proper resizing. If the source is MPEG-1/2, you can be almost sure that the source aspect ratio is 4:3 or 16:9. AVI files are most commonly 1:1. The aspect ratio is very important for proper resizing. If the source is MPEG-1/2, you can be almost sure that the source aspect ratio is 4:3 or 16:9. AVI files are most commonly 1:1.
  
-So to resize properly a widescreen DVD for example to MPEG-4 AVI (e.g. encoded with XviD), select 16:9 for source and 1:1 for destination.+So to resize properly a widescreen DVD for example to MPEG-4 AVI (e.g. encoded with Xvid), select 16:9 for source and 1:1 for destination.
  
 The framerate is also important. 4:3 MPEG has non square pixels, different for PAL and NTSC. So if you resize before altering the framerate you will end up with a differently sized image. The framerate is also important. 4:3 MPEG has non square pixels, different for PAL and NTSC. So if you resize before altering the framerate you will end up with a differently sized image.
using/video_filter_resize.1271340337.txt.gz · Last modified: 2012/11/11 08:51 (external edit)