Appendix A — General Registry Settings
77
The IBM Video Registry Table
IBM Video Registry Table
Property
Registry Key
Data Type
Value Set
Comments
Video Bit Rate
BitRate
Unsigned long
512,000 to
15,000,000 bps
for 4:2:0 Chroma.
Up to 50,000,000
bps for 4:2:2.
Default:
8,000,000 bps.
Typically, SIF resolu-
tion (352x240/288)
is used for lower bit
rates (.5 to 3 Mbps).
Half-D1 (352x480/
576) is used for 3.5
to 6 Mbps.
Full resolution (704
or 720 horizontal) is
used for 7 Mbps and
higher. See note (5).
Video Mode
VideoMode
Unsigned char
VM_SIF = 0
VM_AFF = 1
Default: AFF
VM_SIF represents
MPEG-1.
VM_AFF represents
MPEG-2.
Video Format
VideoFormat
Unsigned char
VF_NTSC=0
VF_PAL=1
Default: NTSC
A setting of VF_NTSC
is interpreted as
NTSC; all others
interpreted as PAL.
Horizontal
Resolution
HorizRes
Unsigned long
352
544
704
720
Default: 720
See Table A-2 for
acceptable
combinations.
Vertical
Resolution
VerticalRes Unsigned
long 120
(QSIF)
240 (SIF)
480 (Full)
512 (VBI)
288 (PAL SIF)
576 (PAL Full)
608 (PAL VBI)
Default: 480
See Table A-2 for
acceptable
combinations.
Inverse Telecine
Inverse32Flag
BOOL (long)
ALWAYS FALSE
Not supported
Table A-1. IBM Video Registry Table