Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK データシート
製品コード
AT91SAM9M10-G45-EK
1128
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
46.6.8
Decoder Control Register 4 (H.264 Control)
Name:
VDEC_CTLR4
Address:
0x0090001C
Access:
Read-write
• FRAME_NUM: Frame Number
Current Frame Number, used to identify short-term reference frames. Used in reference picture reordering.
• FRAME_NUM_LEN: Frame Number length
Bit length of frame_num in data stream.
• W_BIPR: Weight Prediction for B Slices
H.264 weighted prediction specification for B slices.
• W_PRED: Weight Prediction
H.264 weighted prediction enable for P slices.
• DIRMV_PRED: Derive Luma Method
Specifies the method to use to derive luma motion vectors.
• BW: Black and White Enable
0: 4:2:0 sampling format
1: 4:0:0 sampling format
• CABAC: H.264 CABAC Enable
0: CABAC disable.
1: CABAC enable.
31
30
29
28
27
26
25
24
CABAC
BW
DIRMV_PRED
W_PRED
W_BIPR
–
–
23
22
21
20
19
18
17
16
–
–
–
FRAME_NUM_LEN
15
14
13
12
11
10
9
8
FRAME_NUM
7
6
5
4
3
2
1
0
FRAME_NUM