Minimum Encoding Settings
As per the parsed mediainfo box on x264 encodes.
You can also see which settings are not met by holding your mouse over the phrase "not met" in the mediainfo box.
Standard Definition:
CABAC = 1
ref = 9+
a n a l y s e = 0x3:0x133 or 0x3:0x113
subme = 7+
me = umh, esa or tesa
merange = 24+ (16+ if me=tesa)
trellis = 2 (for live-action)
deblock = less than 0:0 (for live-action)
bframes = 5+
rc = 2pass or crf
720p:
CABAC = 1
ref = 8+
a n a l y s e = 0x3:0x133 or 0x3:0x113
subme = 7+
me = umh, esa or tesa
merange = 16+
trellis = 2 (for live-action)
deblock = less than 0:0 (for live-action)
bframes = 5+
rc = 2pass or crf
1080p:
CABAC = 1
ref = 3+
a n a l y s e = 0x3:0x133 or 0x3:0x113
subme = 7+
me = umh, esa or tesa
merange = 16+
trellis = 2 (for live-action)
deblock = less than 0:0 (for live-action)
bframes = 3+
rc = 2pass or crf