Samsung S5PC100, User Manual, Page: 1625 / 1863

S5PC100 USER’S MANUAL (REV1.0)
MFC (MULTI FORMAT CODEC)
9.11-57
9.10.6 ACROBLOCK LEVEL RATE CONTROL REGISTER (RC_MB_CTRL, R/W, ADDRESS = 0xf100_0a14)
RC_MB_CTRL Bits Description Reset Value
Reserved [31:4] Reserved 0
DARK_DISABLE [3]
Disable Dark Region Adaptive feature.
0 = Enable Dark Region Adaptive feature.
QP of dark MB may not be smaller than frame QP
Although it is smooth, static or small activity image.
1 = Disable Dark Region Adaptive feature.
0
SMOOTH_DISABL
E
[2]
Disable Smooth Region Adaptive feature.
0 = Enable Smooth Region Adaptive feature.
QP of smooth MB may be smaller than frame QP.
1 = Disable Smooth Region Adaptive feature.
0
STATIC_DISABLE [1]
Disable Static Region Adaptive feature.
0 = Enable Static Region Adaptive feature.
QP of static MB may be smaller than frame QP.
1 = Disable Static Region Adaptive feature.
0
ACT_DISABLE [0]
Disable MB Activity Adaptive feature.
0 = Enable MB Activity Adaptive feature.
QP of MB that has small activity may be smaller than
frame QP and QP of MB that has large activity may be
larger than frame QP
1 = Disable MB Activity Adaptive feature.
0
NOTE: Valid only when the Macroblock level RC is enabled.
9.10.7 INTERNAL REFERENCE QUANTIZATION SCALE REGISTER (RC_QOUT, R, ADDRESS =
0xf100_0a18)
RC_QOUT Bits Description Reset Value
Reserved [31:6] Reserved 0
QP_OUT [5:0]
Final frame quantization parameter (FRAME_QP) referenced
for encoding the last macroblock of the current picture.
0
NOTE: QP_OUT can be referenced for the frame quantization parameter (FRAME_QP) of the next frame.