Check for VIVTC's _Combed flag in PD2V deinterlace

This makes it so if VIVTC VFM or such was used, then we have more information to detect (now recovered) progressive frames.

Author: rlaphoenix

pvsfunc/pd2v.py

@@ -102,7 +102,7 @@ def deinterlace(self, kernel: functools.partial, verbose=False):
 
  def _d(n: int, f: vs.VideoFrame, c: vs.VideoNode, tff: vs.VideoNode, bff: vs.VideoNode, ff: int):
  # frame marked as progressive in flags by D2V, skip deinterlacing
- if f.props["PVSFlagProgressiveFrame"]:
+ if f.props["PVSFlagProgressiveFrame"] or f.props.get("_Combed") == 0:
  rc = core.std.Interleave([c] * ff) if ff > 1 else c # duplicate if not a single-rate fps output
  if rc.format and tff.format and rc.format.id != tff.format.id:
  rc = core.resize.Point(rc, format=tff.format.id)