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add better information about inverse-telecining with vf_filmdint

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26474 b3059339-0415-0410-9bf9-f77b7e298cf2
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corey 2008-04-20 19:26:27 +00:00
parent 8f56930458
commit 92be79c987
1 changed files with 17 additions and 12 deletions
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29
DOCS/xml/en/encoding-guide.xml
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@ -2244,6 +2244,23 @@ mencoder dvd://1 -oac copy -vf pullup,softskip
-ovc lavc -ofps 24000/1001<!--
--></screen>
</para></listitem>
<listitem><para>
<option>-vf filmdint</option> is similar to
<option>-vf pullup</option>: both filters attempt to match a pair of
fields to form a complete frame. <option>filmdint</option> will
deinterlace individual fields that it cannot match, however, whereas
<option>pullup</option> will simply drop them. Also, the two filters
have separate detection code, and filmdint may tend to match fields a
bit less often. Which filter works better may depend on the input
video and personal taste; feel free to experiment with fine-tuning
the filters' options if you encounter problems with either one (see
the man page for details). For most well-mastered input video,
however, both filters work quite well, so either one is a safe choice
to start with.
<screen>
mencoder dvd://1 -oac copy -vf filmdint -ovc lavc -ofps 24000/1001<!--
--></screen>
</para></listitem>
<listitem><para>
An older method
is to, rather than inverse-telecine the telecined parts, telecine
@ -2258,18 +2275,6 @@ mencoder dvd://1 -oac copy -vf softpulldown,ivtc=1 -ovc lavc -ofps 24000/1001
</screen>
</para></listitem>
<listitem><para>
I have not used <option>-vf filmdint</option> myself, but here is what
D Richard Felker III has to say:
<blockquote><para>It is OK, but IMO it tries to deinterlace rather
than doing inverse telecine too often (much like settop DVD
players &amp; progressive TVs) which gives ugly flickering and
other artifacts. If you are going to use it, you at least need to
spend some time tuning the options and watching the output first
to make sure it is not messing up.
</para></blockquote>
</para></listitem>
</itemizedlist>
</sect3>