
Philips Semiconductors
PNX15xx Series
Volume 1 of 1
Chapter 19: Memory Based Scaler
PNX15XX_SER_3
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 3 — 17 March 2006
19-5
ltering. For vertical scaling, there are 2 separate coefcient tables: one for luma and
the other for chroma, thereby allowing the use of different lter coefcients for chroma
and luma.
2.3 Data Processing in MBS
MBS.
Table 1: Pipeline Processing (Horizontal First Mode)
Input
IFF1
Horizontal
DFF2
Vertical
Output
- 4:2:0 input
(semi) planar
- 4:2:2 input
up-sample
to 4:4:4
- color space conversion
(full matrix plus offset)
or
- scaling only
(6 tap direct or transposed
polyphase)
down-
sample
to 4:2:x
-de-interlacing3
and/or
- scaling (6 tap direct
polyphase)
- 4:2:0 output
(semi) planar
- 4:2:2 output
(packed, semi-
planar, planar)
- 4:4:4 input
(8-32 BPP)
- LUT mode
(8/4/2/1 BPP)4
bypass
- scaling only
(4 tap direct polyphase)
and/or
- Anti Flicker (static 4 tap lter)
- 4:4:4 output
(16-32 BPP)
- 4:4:4:4 output
(16-32 BPP)
- 4:4:4:4 input
(16-32 BPP)
- LUT mode
(8/4/2/1 BPP)5
bypass
- scaling only
(3 tap direct polyphase)
bypass
- scaling only
(3 tap direct polyphase)
and/or
- Anti Flicker (static 3 tap lter)
1 Interpolation FIR Filter
2 Decimation FIR Filter
3 VTM (luma and chroma) or 2 eld MSA (luma) with or without EDDI (see Table 3 for de-interlacing). 4 Alpha component from LUT is not used.
5 Alpha component from LUT is used.
Table 2: Pipeline Processing (Vertical First Mode)
Input
Vertical
IFF
Horizontal
DFF
Output
- 4:2:0 input
- 4:2:2 input
and/or
- scaling
(6 tap direct polyphase)
up-
sample
to 4:4:4
- color space conversion (full
matrix plus offset)
or
- scaling
(6 tap direct or transposed
polyphase)
down-
sample to
4:2:x
- 4:2:0 output
(2-3 planes)
- 4:2:2 output
(packed, semi-
planar, planar)
- 4:4:4 input
(8-32 BPP)
- LUT mode
(8/4/2/1 BPP)
- scaling (4 tap direct polyphase)
and/or
- Anti Flicker
(static 4 tap lter)
bypass
- 4:4:4 output
(16-32 BPP)
- 4:4:4:4 output
(16-32 BPP)
- 4:4:4:4 input
(16-32 BPP)
- LUT mode
(8/4/2/1 BPP)
- scaling (3 tap direct polyphase)
and/or
- Anti Flicker
(static 3 tap lter)
bypass
- scaling
(3 tap direct polyphase)
bypass