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More fixes by the Wanderer and tip about another SVCD constrain suggested by Giacomo Comes 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15848 b3059339-0415-0410-9bf9-f77b7e298cf2
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gpoirier 2005-06-29 08:23:10 +00:00
parent 70bfd39b78
commit bd00efd1e9
1 changed files with 8 additions and 2 deletions
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10
DOCS/xml/en/faq.xml
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@ -1350,9 +1350,15 @@ Please note that in order to make the GOP structure SVCD compliant the
although very often files with much longer GOPs play correctly (25 should
never lead to any problem).
Also, even though leaving out <option>-ofps</option> should work in most
cases, (as your source is likely to have the appropriate framerate
already) PAL requires <option>-ofps</option> 25 and NTSC requires
cases (as your source is likely to have the appropriate framerate
already), PAL requires <option>-ofps</option> 25 and NTSC requires
<option>-ofps</option> 30000/1001.
What's more, PAL SVCDs only support 480x576 and 352x288 resolutions,
whereas NTSC only supports 480x480 and 352x240.
If the source video has a different resolution, then you must rescale
with the <option>scale</option> video filter, which will make your filter
chain look like for example <option>-vf scale=480:480,harddup</option> for
an NTSC SVCD or <option>-vf scale=352:288,harddup</option> for a PAL SVCD.
</para><para>
As far as the audio is concerned, SVCD only supports MPEG-1 layer II audio,
therefore you have to use one of