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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
MULTI-FORMAT VIDEO CODEC
21-82
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
This bit is ignored if SliceMode bit is 0
In H.263 Mode with Annex K = 0, this bit is ignored
15:2 SliceSizeNum
R/W
If
SliceSizeMode is 0, macro-block number of one
slice must be set to this register
If SliceSizeMode is 1, encoded bit count of one slice
must be set to this register
This bit is ignored if SliceMode bit is 0
In H.263 Mode with Annex K = 0, this bit is ignored
CMD_ENC_SEQ_GOP_NUM (0x1A8)
Bit
Name
Type
Function
Command
5:0
EncGopNum
R/W
Encode GOP number
I picture is inserted at every GOP picture number
Maximum GOP number is 60.
0 – I, P, P, P, … (only first picture is I)
1 - I, I, I, … (no P picture)
2 – I, P, I, P, …
3 – I, P, P, I, P, P, I, …
ENC_SEQ_
INIT
CMD_ENC_SEQ_RC_PARA (0x1AC)
Bit
Name
Type
Function
Command
0
RcEnable
R/W
Rate Control Enable
If this flag is set to 0, the value of register PictureQs is
used as a Quantization Step in whole sequence.
15:1
BitRate
R/W
Target Bit Rate in kilo bit per seconds (kbps)
This value is ignored if RcEnable = 0
Maximum allowed value is 32767 (0x7FFF)
30:16 InitDelay R/W
Reference
Decoder
initial buffer removal delay in mili-
second (ms)
This value is ignored if RcEnable = 0
Maximum allowed value is 32767 (0x7FFF)
ENC_SEQ_I
NIT