SAA6752HSSLASHV103 datasheet(49/71 Pages) PHILIPS

49 / 71 page

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Note

1. If no Q matrix is downloaded then the default is the MPEG standard and no Q matrix is inserted into the stream.

quantizer matrix

R/W 2

× 64 bytes

array of integers

× 8 bytes)

−

Speciﬁes the quantizer matrix as 2 tables,

each an 8

× 8 array. Data must be

transferred column by column, not row by

row. The inter Q matrix must be downloaded

ﬁrst, the intra Q matrix downloaded second;

note 1.

reserved

−−

−

disable forced

backward prediction

R/W 1 byte

Applies only for GOP structures starting with

a B-frame: Disabled forced backward

prediction results in non-editable (open)

GOPs with prediction from a former GOP.

Enabled forced backward prediction results

in backward predicted closed GOPs without

prediction from a former GOP.

In all cases the leading B-frames of the very

ﬁrst GOP structure after start of encoding

are forced to backward prediction.

bit 0 = 0

enabled

bit 0 = 1

disabled

scan select

R/W 1 byte

bit 0 = 0

alternate scan

bit 0 = 1

zigzag scan

quantizer scale

table

R/W 1 byte

bit 0 = 0

logarithmic

bit 0 = 1

linear

ADR

HEX

COMMAND NAME

R/W

SIZE/POSITION

PARAMETER/RANGE

DEFAULT

DESCRIPTION

SAA6752HS/V103 Datasheet(PDF) 49 Page - NXP Semiconductors

SAA6752HS/V103 Datasheet(HTML) 49 Page - NXP Semiconductors

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