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IVA2.2 Subsystem Register Manual
Table 5-660. CAVLC_NBPTR
Address Offset
0x0000 116C
Physical Address
0x0008 116C
Instance
iVLCD
Description
This register sets Huffman memory write nB pointer
Type
RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
RESERVED
NBPTR
Bits
Field Name
Description
Type
Reset
31:12
RESERVED
Write 0s for future compatibility
RW
0x0
Read returns 0
11:0
NBPTR
Set a pointer in Huffman memory from which nBs are stored. Must
RW
0x000
be even. After the completion of the job, the number of coefficients
of 4x4-blocks in the lowest row will be stored from this pointer.
Table 5-661. Register Call Summary for Register CAVLC_NBPTR
IVA2.2 Subsystem Basic Programming Model
•
Setting Up Registers for CAVLC Operation
IVA2.2 Subsystem Register Manual
•
iVLCD Register Mapping Summary
Table 5-662. CAVLC_COEFFPTR
Address Offset
0x0000 1170
Physical Address
0x0008 1170
Instance
iVLCD
Description
This register sets coefficients memory pointer
Type
RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
RESERVED
COEFFPTR
Bits
Field Name
Description
Type
Reset
31:13
RESERVED
Write 0s for future compatibility
RW
0x0
Read returns 0
12:0
COEFFPTR
Set a pointer in Image Buffer from which residual coefficients are
RW
0x0000
stored. Must be even.
If IBUF0 is selected in
, bit 12 select if
IBUF0_A (0) or IBUF0_B (1) is used.
Table 5-663. Register Call Summary for Register CAVLC_COEFFPTR
IVA2.2 Subsystem Basic Programming Model
•
Setting Up Registers for CAVLC Operation
IVA2.2 Subsystem Register Manual
•
iVLCD Register Mapping Summary
1041
SWPU177N – December 2009 – Revised November 2010
IVA2.2 Subsystem
Copyright © 2009–2010, Texas Instruments Incorporated