2015-07-17, 23:16
(2015-07-14, 23:16)puithove Wrote:(2015-07-14, 22:31)puithove Wrote:(2015-07-14, 22:30)fritsch Wrote: bugs.freedesktop.org please in VAAPI section. Let's see what the vaapi guys tell.
Ok, will do.
Bug filed here in case you want to track it. Let me know if there's anything I should add, or feel free to jump in.
https://bugs.freedesktop.org/show_bug.cgi?id=91339
I looked at your sample. It uses repeat-first-field flags on the picture headers in order to extend 24fps content to 29.97fps video as specified by the sequence header. Because the repetition pattern is not regular, you end up with stutter because frames are presented at a variable frame rate. Intel is not going to fix this for you because it's not a bug. Their Windows driver will do the same thing. I don't think the field repeat flags are even visible to the VPP/Deinterlacer. This needs to be handled in the player (Kodi in this case) by taking decoded frames and buffering some of the fields to repeat on the next frame. You're basically converting a partially soft-telecined video into a fully hard-telecined one (wiki). The final frames with repeated fields applied can then be sent to VPP.
I covered this topic before in an older thread.