Grass Valley PROFILE FAMILY v.2.5 - Manual (Page 224)

Chapter 6 Using Profile Utilities
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- For MPEG encoders:
bitrate, format, GopEnd, iPerGOP, pPerI, bPerIP, PixStruct,
FirstEncodedLine, and LastEncodedLine
If you don’t specify parameters, the default values are used. You can
override the defaults in the .cfg file, or by using the MPEG API calls.
Acceptable values for these parameters are shown in Table 12.
Table 12. MPEG Encoder Parameters
Parameter Acceptable Values Default
bitrate Mb/s, between 4000000 and 50000000 18000000
format Select 4:2:2 or 4:2:0 (do not use the colons in
the file entry). 422
GopEnd 0=GopOpenEnd
1=GopClosedEnd 1
iPerGOP Reserved. Must be 1. 1
pPerI The number of P pictures per I picture, from
0 to 5. 5
bPerIP The number of B pictures per IP picture,
from 0 to 2. 2
PixStruct Reserved. Must be 0. 0
FirstEncoded
Line May include VBI lines. See release notes. 21 (525/60)
23 (625/50)