2014-07-29, 10:42
(2014-07-27, 20:23)FernetMenta Wrote: What exactly do I have to look for. Both samples play fine and I can't tell any difference. Tried on i5-4570T Linux, sw multi-threaded decoding and on i7 Windows.
The i5 is approximately at 50% CPU playing the 4:2:2 sample with yadif.
Look at the motion of fast moving elements with high-saturation chroma and relatively low luminance - the blue light beams on the wide shots, the foreground audience in the fast tracking shots etc.
The 4:2:0 clip has full 50Hz motion on these elements, the 4:2:2 clip appears to have some odd 25Hz motion artefacts on them, yet other areas of the picture are fine with 50Hz motion (i.e. it isn't a case that the sequence isn't being de-interlaced).
I'm wondering if there is some difference in the way 4:2:2 and 4:2:0 is handled, particularly in chroma terms? It's really odd. I'm running an i7-2600K with Intel drivers.
