mirror of https://github.com/mpv-player/mpv
Error in the aspect ratio calculation, plus typos and rewordings.
Noticed by Jason Tackaberry <tack@auc.ca>. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10065 b3059339-0415-0410-9bf9-f77b7e298cf2
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@ -290,11 +290,11 @@ Explanation of the process:
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<H2><A NAME="aspect">7.9 Preserving aspect ratio</A></H2>
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<H2><A NAME="aspect">7.9 Preserving aspect ratio</A></H2>
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<P>DVDs and SVCDs (i.e. MPEG1/2) files contain an aspect ratio value,
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<P>DVDs and SVCDs (i.e. MPEG1/2) files contain an aspect ratio value,
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which describes how should the player scale the video stream, so humans
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which describes how the player should scale the video stream, so humans
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won't have egg heads (ex.: 480x480 + 4:3 = 640x480). However when encoding
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won't have egg heads (ex.: 480x480 + 4:3 = 640x480). However when encoding
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to AVI (DivX) files, you have be aware that AVI headers don't store this
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to AVI (DivX) files, you have be aware that AVI headers don't store this
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value. Rescaling the movie is disgusting and time consuming, there
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value. Rescaling the movie is disgusting and time consuming, there
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must be a better feature!</P>
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has to be a better way!</P>
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<P>There is.</P>
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<P>There is.</P>
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@ -308,13 +308,13 @@ Explanation of the process:
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other players will use the wrong aspect ratio.</P>
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other players will use the wrong aspect ratio.</P>
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<P>You seriously should crop the black bands over and below the movie image.
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<P>You seriously should crop the black bands over and below the movie image.
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See the manpage about the usage of the <CODE>cropdetect</CODE> and
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See the man page for the usage of the <CODE>cropdetect</CODE> and
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<CODE>crop</CODE> filters.</P>
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<CODE>crop</CODE> filters.</P>
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<H4>Usage:</H4>
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<H4>Usage:</H4>
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<P><CODE>$ mencoder sample-svcd.mpg -ovc lavc -lavcopts
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<P><CODE>$ mencoder sample-svcd.mpg -ovc lavc -lavcopts
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vcodec=mpeg4:aspect=16.0/9.0 -vf crop=714:548:0:14 -oac copy -o output.avi</CODE></P>
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vcodec=mpeg4:autoaspect -vf crop=714:548:0:14 -oac copy -o output.avi</CODE></P>
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</BODY>
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</BODY>
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</HTML>
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</HTML>
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