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1st March 2002, 19:06 | #4 | Link |
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Join Date: Jan 2002
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Strictly speaking, a "progressive frame" is one composed of two fields sampled at the same moment in time. Interlaced video has fields all shot at different times (1/50 or 1/60th second apart). So strictly speaking the answer is no.
If we relax our definition of progressive to mean a frame without interlacing artifacts then you can consider that frames passed through FieldDeinterlace are converted to progressive frames. By then applying Decimate(cycle=5) you can reduce the frame rate. It will look a bit jerky, however, during fast pans and movements. The problem is that taking 30fps interlaced to 24fps by decimation will inevitably leave temporal gaps. You could instead convert by using frame blending after the FieldDeinterlace. I believe there is a filter available for doing that (ChangeFPS?), but Decomb won't do it. In summary, you could try: FieldDeinterlace(full=true) Decimate(cycle=5) or: FieldDeinterlace(full=true) ChangeFPS(???) |
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