[theora] Question about converting VP3 to Ogg Theora

[Colin Mckellar]

As I understand it the current plan is to make it possible to 
losslessly transcode VP3 video to Theora video.

In my experience, one of the "features" of VP3 is it drops frames in 
the event that there is little/no movement in a frame, or if "drop 
frames" is enabled, to drop frames if the data rate is getting too 
high. I understand that the way that VP3 does this in QuickTime is it 
changes the duration of the previous frame. The Ogg format does not 
allow for variable frame durations. What are the plans to reconcile 
this disparity?

Colin.

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