IPS-VIDEO Altera, IPS-VIDEO Datasheet - Page 114
![MegaCore Suite W/ 17 DSP Video/image Processing Functions](/photos/24/19/241949/4696158_sml.jpg)
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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5–30
Color Plane Sequencer
Video and Image Processing Suite User Guide
Rearranging Color Patterns
Combining Color Patterns
1
The Color Plane Sequencer MegaCore function rearranges the color pattern used to
transmit Avalon-ST Video data packets over an Avalon-ST connection (stream). The
Color Plane Sequencer can also split or duplicate a single Avalon-ST Video stream into
two or, conversely, combine two input streams into a single stream.
A color pattern is a matrix that defines a repeating pattern of color samples. For full
details of the Avalon-ST Video protocol, refer to
page
The Color Plane Sequencer can rearrange the color pattern of a video data packet in
any valid combination of channels in sequence and parallel. The Color Plane
Sequencer can also drop color planes. Avalon-ST Video packets of types other than
video data packets are forwarded unchanged.
Figure 5–14 on page 5–30
video data packet which transmits color planes in sequence, to a color pattern that
transmits color planes in parallel.
Figure 5–14. Example of Rearranging Color Patterns
When the color pattern of a video data packet changes from the input to the output
side of a block, the color sequencer adds padding to the end of non-video data packets
with extra data. Altera recommends that when you define a packet type where the
length is variable and meaningful, you send the length at the start of the packet.
The Color Plane Sequencer also allows the combination of two Avalon-ST Video
streams into a single stream. In this mode of operation, two input color patterns (one
for each input stream) are combined and arranged to the output stream color pattern
in a user defined way, so long as it contains a valid combination of channels in
sequence and parallel.
In addition to this combination and arrangement, color planes can also be dropped.
Avalon-ST Video packets other than video data packets can be forwarded to the single
output stream with the following options:
Color pattern of a video data
packet on the input stream
3 color plane samples in sequence
4–2.
R
G
B
shows an example that rearranges the color pattern of a
“Avalon-ST Video Protocol” on
Color pattern of a video data
packet on the output stream
3 color plane samples in parallel
Chapter 5: Functional Descriptions
May 2011 Altera Corporation
R
G
B
Color Plane Sequencer
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