IPS-VIDEO Altera, IPS-VIDEO Datasheet - Page 116
IPS-VIDEO
Manufacturer Part Number
IPS-VIDEO
Description
MegaCore Suite W/ 17 DSP Video/image Processing Functions
Manufacturer
Altera
Type
-r
Specifications of IPS-VIDEO
Software Application
IP CORE, SUITES
Supported Families
Arria GX, Cyclone II, HardCopy II, Stratix II
Core Architecture
FPGA
Core Sub-architecture
Arria, Cyclone, Stratix
Rohs Compliant
NA
Function
Suite of IP Functions for Video and Image Processing
License
Initial License
Lead Free Status / RoHS Status
na
Lead Free Status / RoHS Status
na
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5–32
Video and Image Processing Suite User Guide
Subsampled Data
c
Avalon-ST Video packets other than video data packets are duplicated to both
outputs.
color pattern.
Figure 5–16. Example of Splitting and Duplicating Color Patterns
A deadlock may happen when the sequencer splits, processes independently and
then joins back the color planes, or when the sequencer splits the color planes in front
of another Video IP core. To avoid this issue, add small FIFO buffers at the output of
the Color Plane Sequencer that are configured as splitters.
In addition to fully sampled color patterns, the Color Plane Sequencer supports 4:2:2
subsampled data. To facilitate this support, you can configure the Color Plane
Sequencer with two color patterns in sequence, so that subsampled planes can be
specified individually.
When splitting subsampled planes from fully-sampled planes, the Avalon-ST Video
control packet for the subsampled video data packet can have its width value halved,
so that the subsampled planes can be processed by other MegaCore functions as if
fully sampled. This halving can be applied to control packets on port dout0 and port
dout1, or control packets on port dout0 only.
Color pattern of a video data
packet on the input stream
3 color plane samples in sequence
Figure 5–16
R
G
shows an example of partially splitting and duplicating an input
B
Color pattern of a video data
packet on output stream 0
2 color plane samples in parallel
Color pattern of a video data
packet on output stream 1
2 color plane samples in sequence
Chapter 5: Functional Descriptions
G
R
G
May 2011 Altera Corporation
B
Color Plane Sequencer
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