Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK データシート
製品コード
AT91SAM9M10-G45-EK
1251
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
46.10.6
Decoder Control Register 2 (MPEG-2/MPEG-1 Stream Decoding Table Selects)
Name:
VDEC_CTLR2
Address:
0x00900014
Access:
Read-write
• PRED_DCT: Frame Prediction Semantics
Defines frame prediction semantics for MPEG2/MPEG1.
• VLC_TAB: Intra VLC Table Selection
Intra VLC table selection.
• INTRA_DC: Intra DC Precision
Determines intra DC precision.
• CON_MV: Concealed Motion in Stream
Presence of concealed motion vectors in stream:
0: No concealed motion vectors in stream.
1: Concealed motion vectors present in stream.
• SYNCMAREN: Synchronization Markers Enable
0: Synch markers are not used.
1: Synch markers are used.
• Q_SCALE: Q Scale Type Semantics
Defines Q scale type semantics.
• STREAM_START_BIT: Stream Start Bit
Exact bit of stream start word where decoding can be started.
31
30
29
28
27
26
25
24
STREAM_START_BIT
–
Q_SCALE
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
–
–
–
CON_MV
INTRA_DC
VLC_TAB
PRED_DCT