 i have some 4:3 letterbox video that needs to be converted to 16:9. Now i have scaled the video to 720x576 with a nice avisynth script, but when imported in a liquid 16:9 sequence, its not stretched to anamorphic wide screen. When i import  real 16:9 anamorphic  footage, it gets stretched to the correct aspect ratio.
How can i change the aspect ratio of the 1st clip, without stretching it with a filter in liquid?(bad quality)
stretched footage
http://www.pichost.nl/uploads/6b2119acc3.jpg
real 16:9 footage
http://www.pichost.nl/uploads/b6b98ccc4d.jpg
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