Техническая Спецификация для Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK
Модели
AT91SAM9M10-G45-EK
1223
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
46.9.8
Decoder Control Register 4 (VC-1 Control)
Name:
VDEC_CTLR4
Address:
0x0090001C
Access:
Read-write
• VC1_ADV: VC-1 Advance Profile
1: VC-1 advanced profile enable.
• DQUANT: Data Quantization
Does quantization parameter change inside frame enable:
0: PQUANT used throughout.
1: Yes.
• TTFRM: VC-1 Frame Level Transformation Type
0: 8x8 transform
1: 8x4 transform
2: 4x8 transform
3: 4x4 transform
• HALFQP: Inverse Quantization
1: HALFQP enable. Used for VC-1 inverse quantization.
• UNIQ: Uniform Quantization
1: Uniform quantizer enable. Used for VC-1 inverse quantization.
• BILIN: Bilinear Enable
Bilinear motion compensation enable:
0: Bicubic interpolation used.
1: Bilinear interpolation used.
• PQ_INDEX: Pre Quantization index
Value of pqindex, used for forming pquant.
• TTMBF: TTMB Flag
0: TTMB is present in MB header.
1: TTFRM syntax element exists in the picture layer. TTMB is not present.
31
30
29
28
27
26
25
24
BIT_PLAN0
BIT_PLAN1
BIT_PLAN2
ALT_PQUANT
23
22
21
20
19
18
17
16
DQ_EDGES
TTMBF
PQ_INDEX
15
14
13
12
11
10
9
8
PQ_INDEX
–
BILIN
UNIQ
HALFQP
TTFRM
7
6
5
4
3
2
1
0
–
DQUANT
VC1_ADV
–
–
–
–
–