[MPlayer-DOCS] CVS: main/DOCS/xml/en mencoder.xml,1.59,1.60
Guillaume Poirier CVS
syncmail at mplayerhq.hu
Sun May 8 16:30:56 CEST 2005
CVS change done by Guillaume Poirier CVS
Update of /cvsroot/mplayer/main/DOCS/xml/en
In directory mail:/var2/tmp/cvs-serv30212/en
Modified Files:
mencoder.xml
Log Message:
explains what ARa is and a tries to improve the readability of the
paragraph about X and Y resolution
Index: mencoder.xml
===================================================================
RCS file: /cvsroot/mplayer/main/DOCS/xml/en/mencoder.xml,v
retrieving revision 1.59
retrieving revision 1.60
diff -u -r1.59 -r1.60
--- mencoder.xml 7 May 2005 10:09:36 -0000 1.59
+++ mencoder.xml 8 May 2005 14:30:53 -0000 1.60
@@ -1185,6 +1185,9 @@
Wc and Hc are the width and height of the cropped video,
</para></listitem>
<listitem><para>
+ ARa is the displayed aspect ratio, which usually is 4/3 or 16/9,
+</para></listitem>
+<listitem><para>
PRdvd is the pixel ratio of the DVD which is equal to 1.25=(720/576) for PAL
DVDs and 1.5=(720/480) for NTSC DVDs,
</para></listitem>
@@ -1195,6 +1198,7 @@
Then, you can compute the X and Y resolution, according to a certain
Compression Quality (CQ) factor:
<systemitem>ResY = INT(SQRT( 1000*Bitrate/25/ARc/CQ )/16) * 16</systemitem>
+ and
<systemitem>ResX = INT( ResY * ARc / 16) * 16</systemitem>
</para>
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