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php111
25th January 2008, 16:30
Hello,

In the DivX codec under the video tab. I been told I need to convert the out at Square Pixels. Why do I have too? So let's say my movie is PAL 16:9 or it can be NTSC, that would be the In, why can't I set the Out for the same aspect ratio? I been told to use Lanczos4 (fast) cause it's high end resizer. I also been told when convert from In to Out at Square Pixels, I can't set the resolution at 720x576 for PAL or 720x480 for NTSC. I have to resize but why can't I use the full resolution? Thank you everyone.

grizz
26th January 2008, 03:52
okay

all depend of your source video.
the good thing now with the codec GUI is that you can set it, and then the codec will do the work for you.
But it also depends of how you resize your video, what dimension you want it to have.

The dimension is the exact width and heigh your video has (and it will display as it is on VfW), and PAR is how your video will display (when using directshow to render).

In other word the PAR will tell to the video renderer at what resolution to display the video.
So your video could have a 1:1 dimension let's say 480x480, where the actual pictures is squashed (look in virtualdub), but it would display at the PAR you defined 16:9 (normal picture in the divx player or windows media player) doing a resize during the rendering.

So let's say now that your file dimension is already 16:9 NTSC (see the link : http://www.bealecorner.com/trv900/16to9.html) so 720x480, then you don't have to modify the PAR, so leave everything at PAR 1:1 input and output... so no change.
Again it all depends of the dimension AND the PAR you have in input.

so for your example if you have a PAL movie in input, and you want to convert it in NTSC.
Just then set the PAR input in PAL, and the PAR output to NTSC. For the risize I would suggest you enter "Resize to ... pixels wide with auto format conversion" so the codec resize will automatically chose what dimension for the height.



I Hope I am not more confusing...