diff options
| -rw-r--r-- | DOCS/xml/en/faq.xml | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/DOCS/xml/en/faq.xml b/DOCS/xml/en/faq.xml index c5dd11962c..800cf8bdad 100644 --- a/DOCS/xml/en/faq.xml +++ b/DOCS/xml/en/faq.xml @@ -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 |