Altera Video and Image Processing Suite - Manual (Page 269)

Avalon-ST Video Verification IP Suite
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2015.05.04
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The Avalon-ST Video Verification IP Suite provides a set of SystemVerilog classes (the class library) that
you can use to ensure that a video IP conforms to the Avalon-ST video standard.
Figure A-1: Test Environment for the Avalon-ST Video Class Library
The figure below shows the elements in the Avalon-ST Video Verification IP Suite. Yellow indicates the
class library components of the test environment, green indicates the Avalon-ST bus functional model
(BFM), and blue indicates the device under test (DUT) and the test method calls themselves.
Avalon-ST
Source BFM
module
Avalon-ST
Video
Source BFM
object (1)
Avalon-ST
Video
Sink BFM
object (1)
DUT
Avalon-ST
Sink BFM
module
tb.v (netlist)
tb_test.v (test environment)
AV-ST
bus
function call
interface
function call
interface
AV-ST
bus
method calls to file reader object (1) :
open_file()
read_file()
set_readiness_probability()
(1) Objects are built using the Avalon-ST Video Class Library
Avalon-ST
Video file
I/O
object (1)
Input
File
method calls to file writer object (1):
open_file()
wait_for_and_write
video_packet_to_file()
set_readiness_probability()
Avalon-ST
Video file
I/O
object (1)
Output
File
mailbox mailbox
The DUT is fed with Avalon-ST Video-compliant video packets and control packets. The responses from
the DUT are collected, analyzed, and the resultant video written to an output file.
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