On 2012-12-03 00:59:34 +0000, Måns Rullgård wrote:
> Janne Grunau <[email protected]> writes:
> 
> > It is never written to in fate-vc1_sa10143 but still read from.
> > Initializing it to zero does not change the fate result.
> 
> What happens to the values that are read from it?

| ttblk = (v->ttblk[s->mb_x - s->mb_stride] >> (block_num * 4)) & 0xF;
| if (ttblk == TT_4X4 || ttblk == TT_8X4) {

followed by some loop filter calls, it is probably caused by the
incomplete interlaced support. v->ttblk gets set for progressive
AV_PICTURE_TYPE_P but not interlaced ones.

Janne
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