[FFmpeg-devel] [PATCH] Enable PAFF decoding
Fri Oct 12 03:12:40 CEST 2007
On Friday October 12, michaelni at gmx.at wrote:
> the bugs just no (partially?) cancel each other out
Fair enough. I must admit that I find it very hard to follow the
intended logic of that code and was focussed on producing the desired
> > It still leaves the first (presented) frame badly decoded though.
> > There is a "double-vision" effect, as though the second field is being
> > decoded with reference to the first (decoded) frame instead of the
> > first field in the same frame.... does that make sense?
> no, the first (IDR) frame should be decoded correctly, the "next" B frames
> are prior to IDR in display order and cannot and should not be displayed
If those B frames "cannot and should not be displayed", why would they
be put in the data stream at all, and why does the reference decoder
decode them correctly?
More information about the ffmpeg-devel