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Fix HTML generation, <equation> is more elaborate in most DTDs. 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15132 b3059339-0415-0410-9bf9-f77b7e298cf2
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diego 2005-04-11 22:37:27 +00:00
parent 0725501b28
commit f294c50e0f
1 changed files with 7 additions and 7 deletions
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14
DOCS/xml/en/mencoder.xml
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@ -619,12 +619,12 @@ vcodec=mpeg2video:intra_matrix=8,9,12,22,26,27,29,34,9,10,14,26,27,29,34,37,
audio track(s), so you should <link linkend="menc-feat-dvd-mpeg4-audio">rip audio track(s), so you should <link linkend="menc-feat-dvd-mpeg4-audio">rip
those</link> first. those</link> first.
You can compute the bitrate with the following equation: You can compute the bitrate with the following equation:
<equation>bitrate = (target_size_in_Mbytes - sound_size_in_Mbytes) * <systemitem>bitrate = (target_size_in_Mbytes - sound_size_in_Mbytes) *
1024 * 1024 / length_in_secs * 8 / 1000</equation> 1024 * 1024 / length_in_secs * 8 / 1000</systemitem>
For instance, to squeeze a two-hour movie onto a 702MB CD, with 60MB For instance, to squeeze a two-hour movie onto a 702MB CD, with 60MB
of audio track, the video bitrate will have to be: of audio track, the video bitrate will have to be:
<equation>(702 - 60) * 1024 * 1024 / (120*60) * 8 / 1000 <systemitem>(702 - 60) * 1024 * 1024 / (120*60) * 8 / 1000
= 740kbps</equation> = 740kbps</systemitem>
</para> </para>
</sect2> </sect2>
@ -802,7 +802,7 @@ vcodec=mpeg2video:intra_matrix=8,9,12,22,26,27,29,34,9,10,14,26,27,29,34,37,
<para> <para>
First, you should compute the encoded aspect ratio: First, you should compute the encoded aspect ratio:
<equation>ARc = (Wc x (ARa / PRdvd )) / Hc</equation> <systemitem>ARc = (Wc x (ARa / PRdvd )) / Hc</systemitem>
<itemizedlist> <itemizedlist>
<title>where:</title> <title>where:</title>
<listitem><para> <listitem><para>
@ -820,8 +820,8 @@ vcodec=mpeg2video:intra_matrix=8,9,12,22,26,27,29,34,9,10,14,26,27,29,34,37,
<para> <para>
Then, you can compute the X and Y resolution, according to a certain Then, you can compute the X and Y resolution, according to a certain
Compression Quality (CQ) factor: Compression Quality (CQ) factor:
<equation>ResY = INT(SQRT( 1000*Bitrate/25/ARc/CQ )/16) * 16</equation> <systemitem>ResY = INT(SQRT( 1000*Bitrate/25/ARc/CQ )/16) * 16</systemitem>
<equation>ResX = INT( ResY * ARc / 16) * 16</equation> <systemitem>ResX = INT( ResY * ARc / 16) * 16</systemitem>
</para> </para>
<para> <para>