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Argus Encoder Family Version 2.6 API Developer’s Guide
The IBM Video Registry Table
Source Type
InputType
Unsigned char
0 – 8
Default: 0
A setting of 1 is
interpreted as
digital; all others
are interpreted as
composite.
Distance between
I-frames (MPEG
N value)
IFrameDis-
tance
Unsigned long
1 – 16
Default: 15
See Table A-3.
(See Note 4.)
Distance between
reference frames
(MPEG M Value)
RefFrameDis-
tance
Unsigned char
FS_IP = 1
FS_IBP = 2
FS_IBBP = 3
Default: 3
Where I and P are
considered reference
frames, the reference
frame distance is
defined as the num-
ber of frames from
one reference frame
up to but not includ-
ing the next. It can
also be seen as one
more than the num-
ber of “B” frames
between reference
frames. (See Note 4.)
Chroma Format
ChromaFor-
mat
CHROMINANCE_
FORMAT
Unsigned char
CF_4_2_0=0
CF_4_2_2=1
CF_4_4_4=2
Default: 0
A value of CF_4_2_2
is interpreted as
4:2:2.
All other values are
interpreted as 4:2:0.
Note that Argus 4:2:0
encoders support
only CF_4_2_0.
Closed GOP Flag
ClosedGOP
Long
0 = Open
1 = Closed
Default: 0
See table A-3. Closed
GOP setting is
useful for post-
encode editing.
Embedded
metadata flag
Embedded
Metadata
Long
0
Not supported.
IBM Video Registry Table (Continued)
Property
Registry Key
Data Type
Value Set
Comments
Table A-1. IBM Video Registry Table (Continued)