[theora] Question about converting VP3 to Ogg Theora

Arc arc at indymedia.org
Wed Jul 23 09:49:04 PDT 2003

On Wed, Jul 23, 2003 at 12:43:08PM -0400, Dan Miller wrote:
> Of course one can always encode a frame with all uncoded blocks, but that's a bit expensive.  There should be a way to mark a frame as completely uncoded.
> Anyway, if this is to be possible at all, we need to get a handle on the upside-down problem as well.

I don't want to sound like a smartass, but this seems pretty simple to
me. You have a bit in the theora stream header that indicates that the
stream is to be inverted vertically, and in each frame you have a bit
that indicates that it's dropped.  Why is this such a problem?

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