Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Data Sheet
Product codes
AT91SAM9M10-G45-EK
1222
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
46.9.7
Decoder Control Register 3 (Stream Buffer Information)
Name:
VDEC_CTLR3
Address:
0x00900018
Access:
Read-write
• STREAM_LEN: Stream Length
Amount of stream data bytes in input buffer. If the given buffer size is not enough for finishing the picture, the correspond-
ing interrupt is given and new stream buffer base address and stream buffer size information should be given.
ing interrupt is given and new stream buffer base address and stream buffer size information should be given.
For VC-1 the buffer must include data for one picture/slice of the picture.
• INIT_QP: Quantization Initialization
Initial value for quantization parameter (picture quantizer).
• ST_COD_EN: Stream Start Code
Stream start codes exist:
0: Stream doesn't contain start codes.
1: Stream contains start codes.
31
30
29
28
27
26
25
24
ST_COD_EN
INIT_QP
–
23
22
21
20
19
18
17
16
STREAM_LEN
15
14
13
12
11
10
9
8
STREAM_LEN
7
6
5
4
3
2
1
0
STREAM_LEN