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Old 8th July 2020, 20:21   #16  |  Link
tugatomsk9
tugatomsk9
 
Join Date: Mar 2020
Posts: 24
After some time experimenting with avisynth, I finally conjured a good avs script using QTGMC deinterlacing. The resulting image quality - checked using Virtualdub as a frameserver - turned out really nice, especially taking into account the not-so-good original PAL VOB.

Here's the script:

LoadPlugin("C:\Program Files (x86)\MEGUI\tools\avisynth_plugin\FFMS2.dll")
LoadPlugin("D:\USER\Documentos\IMPORTANT STUFF BACKUP\avisynth plugins\hqdn3d\hqdn3d.dll")
mpeg2source("G:\WORKING\Duarte&co\Duarte e Companhia - 10 RTP memoria.d2v")
AssumeTFF()
QTGMC( Preset="Slower", MatchPreset="Slower", MatchPreset2="Slower", SourceMatch=3, Sharpness=0.9, TR2=3, Lossless=2 )
#(TR2= 0 for clean sources TR2=3 for noisy sources)
SelectEven()
#SelectEven() maintains original framerate
hqdn3d(ls=1.0, cs=1.0, lt=6.0, ct=1.0, restart=7)
LanczosResize(768,576)
Crop(10, 2, -16, -0)

However, I'm still experiencing difficulties trying to maintain the original aspect ratio. I scaled to 768x576 because I read in avisynth's wiki that operation changes the PAR to 1:1, which is what I want: a universal resolution for modern displays (LCD and such), giving up on CRTs.

Yet, when I open the resulting video file, VLC player still changes the aspect ratio when I switch from original to 4:3. This confuses me, because I thought I had created a video file that did not require aspect ratio changes on modern LCDs.

Which one is right: my stipulated resolution or VLC?
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50fps, hevc, vhs, x264, x265

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