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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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@ -619,12 +619,12 @@ vcodec=mpeg2video:intra_matrix=8,9,12,22,26,27,29,34,9,10,14,26,27,29,34,37,
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audio track(s), so you should <link linkend="menc-feat-dvd-mpeg4-audio">rip
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audio track(s), so you should <link linkend="menc-feat-dvd-mpeg4-audio">rip
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those</link> first.
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those</link> first.
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You can compute the bitrate with the following equation:
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You can compute the bitrate with the following equation:
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<equation>bitrate = (target_size_in_Mbytes - sound_size_in_Mbytes) *
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<systemitem>bitrate = (target_size_in_Mbytes - sound_size_in_Mbytes) *
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1024 * 1024 / length_in_secs * 8 / 1000</equation>
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1024 * 1024 / length_in_secs * 8 / 1000</systemitem>
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For instance, to squeeze a two-hour movie onto a 702MB CD, with 60MB
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For instance, to squeeze a two-hour movie onto a 702MB CD, with 60MB
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of audio track, the video bitrate will have to be:
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of audio track, the video bitrate will have to be:
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<equation>(702 - 60) * 1024 * 1024 / (120*60) * 8 / 1000
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<systemitem>(702 - 60) * 1024 * 1024 / (120*60) * 8 / 1000
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= 740kbps</equation>
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= 740kbps</systemitem>
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</para>
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</para>
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</sect2>
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</sect2>
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@ -802,7 +802,7 @@ vcodec=mpeg2video:intra_matrix=8,9,12,22,26,27,29,34,9,10,14,26,27,29,34,37,
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<para>
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<para>
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First, you should compute the encoded aspect ratio:
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First, you should compute the encoded aspect ratio:
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<equation>ARc = (Wc x (ARa / PRdvd )) / Hc</equation>
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<systemitem>ARc = (Wc x (ARa / PRdvd )) / Hc</systemitem>
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<itemizedlist>
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<itemizedlist>
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<title>where:</title>
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<title>where:</title>
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<listitem><para>
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<listitem><para>
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@ -820,8 +820,8 @@ vcodec=mpeg2video:intra_matrix=8,9,12,22,26,27,29,34,9,10,14,26,27,29,34,37,
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<para>
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<para>
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Then, you can compute the X and Y resolution, according to a certain
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Then, you can compute the X and Y resolution, according to a certain
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Compression Quality (CQ) factor:
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Compression Quality (CQ) factor:
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<equation>ResY = INT(SQRT( 1000*Bitrate/25/ARc/CQ )/16) * 16</equation>
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<systemitem>ResY = INT(SQRT( 1000*Bitrate/25/ARc/CQ )/16) * 16</systemitem>
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<equation>ResX = INT( ResY * ARc / 16) * 16</equation>
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<systemitem>ResX = INT( ResY * ARc / 16) * 16</systemitem>
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</para>
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</para>
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<para>
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<para>
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