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Interlaced and/or Deinterlaced continued:<br>
- I'll add a good reference and some old background threads:<br>
<br>
What is deinterlacing? The best method to deinterlace movies<br>
<a class="moz-txt-link-freetext" href="http://www.100fps.com/">http://www.100fps.com/</a><br>
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[CinCV TNG] Deinterlacing or not?<br>
<a class="moz-txt-link-freetext" href="https://lists.cinelerra-cv.org/pipermail/cinelerra/2016q2/004926.html">https://lists.cinelerra-cv.org/pipermail/cinelerra/2016q2/004926.html</a><br>
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[CinCVS] Interlacing, DVD
<br>
<a class="moz-txt-link-freetext"
href="https://www.mail-archive.com/cinelerra@skolelinux.no/msg06692.html">https://www.mail-archive.com/cinelerra@skolelinux.no/msg06692.html</a><br>
<br>
<a class="moz-txt-link-freetext" href="https://www.mail-archive.com/search?q=interlace&l=cinelerra%40skolelinux.no">https://www.mail-archive.com/search?q=interlace&l=cinelerra%40skolelinux.no</a><br>
<a class="moz-txt-link-freetext" href="https://www.mail-archive.com/search?q=deinterlace&l=cinelerra%40skolelinux.no">https://www.mail-archive.com/search?q=deinterlace&l=cinelerra%40skolelinux.no</a><br>
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<div class="moz-cite-prefix">Den 30.05.2023 03:34, skrev Terje J.
Hanssen:<br>
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<blockquote type="cite"
cite="mid:18240847-dc16-67c9-7c6c-7857eb315913@gmail.com">
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<div class="moz-cite-prefix">Den 29.05.2023 22:47, skrev Phyllis
Smith:<br>
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<blockquote type="cite"
cite="mid:CAOckJE21eB0LANbTkv=G3yEd6iTLbkWvcARm1OsOMsY-eRdfbQ@mail.gmail.com">
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charset=UTF-8">
<div dir="ltr">
<div><span class="gmail_default" style="font-size:small">More
feedback to add to Andrew's reply.</span></div>
<div dir="auto"> </div>
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<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
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<blockquote type="cite"
cite="mid:a3f9b855-1976-b35d-3936-f40569460626@gmail.com">
<blockquote type="cite">Using Deinterlace creates a dvd.mpg file
only marginally larger than without deinterlacing. <br>
But the result is visually better than without deinterlacing,
which is awful jagged at camera movements zoom/pan, at least
on my 2560x1440 res monitor using VLC. <br>
</blockquote>
</blockquote>
<blockquote type="cite"
cite="mid:CAOckJE21eB0LANbTkv=G3yEd6iTLbkWvcARm1OsOMsY-eRdfbQ@mail.gmail.com">
<div dir="ltr">
<div class="gmail_quote">
<div><span class="gmail_default" style="font-size:small">I
do not understand the above sentence. Which result is
better? with deinterlacing or without deinterlacing?</span> <span
class="gmail_default" style="font-size:small">So
Progressive is better? which makes more sense to me in
this day and age. As far as I read on the internet,
DVDs can be either Progressive or Interlaced.</span></div>
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</blockquote>
<br>
Leaving it dvd rendering interlaced is worst jagged; selecting
deinterlaced is better both with default mpeg2enc ("TFF,
interlaced") and optional FFMpeg (progressive). Some of the jagged
edges and lines is expected to be caused by the scaled up low
vertical SD wide resolution.<br>
I didn't notice visible +/- chroma difference by selecting "use
yuv420p dvd deinterlace format"<br>
<br>
I will try to compare with DeVeDe's deinterlace YADIF filter and
two pass rendering.<br>
(DeVeDe's second FFMPEG deinterlace filter exited the dvd
rendering.)<br>
<br>
</blockquote>
<br>
In comparision with Cin rendering, the DeVeDe dual pass with YADIF
deinterlacing did compress the movie_0.mpg more and it was verified
as progressive. All progressive dvd video qualities were visual
comparable.<br>
<br>
<blockquote><font face="monospace">du -sh dvd-wide-*/*.mpg
dvd-wide-*/*/movie*.mpg</font><br>
<font face="monospace">598M
dvd-wide-dv01_20230526-225332/dvd.mpg</font><br>
<font face="monospace">598M
dvd-wide-dv01-ffmpeg_20230527-000911/dvd.mpg</font><br>
<font face="monospace">380M
dvd-wide-dv01-dualpass-yadif/movies/movie_0.mpg</font><br>
<br>
<font face="monospace">mediainfo dvd-wide-*/*.mpg
dvd-wide-*/*/movie*.mpg | grep Scan</font><br>
<font face="monospace">Scan type :
Progressive</font><br>
<font face="monospace">Scan type :
Progressive</font><br>
<font face="monospace">Scan type :
Progressive</font><br>
</blockquote>
<br>
Regarding Dvd Interlaced Chroma:<br>
Possibly PAL dv 4.2.0 is more pleasant for MPEG-2/DVD 4.2.0 than
NTSC dv 4:1:1 (?)<br>
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