[mpeg2.frame_rate]
# In MPEG-2 video sequence.
Bits = 8
0 = forbidden
1 = 23.976 fps (24000/1001)
2 = 24 fps
3 = 25 fps
4 = 29.97 fps (30000/1001)
5 = 30 fps
6 = 50 fps
7 = 59.94 fps (60000/1001)
8 = 60 fps

[mpeg2.aspect_ratio]
# In MPEG-1/2 video sequence header.
Bits = 8
1 = 1:1
2 = 4:3
3 = 16:9
4 = 2.21:1

[mpeg2.chroma_format]
# In MPEG-1/2 video sequence header.
Bits = 8
0 = monochrome
1 = 4:2:0
2 = 4:2:2
3 = 4:4:4
