980 HDMI Protocol Analyzer Application Guide – Source Compliance Test Automation Rev. A1
Page 23 Feb 14, 2013
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Video Format: N/A
Colorimetry: N/A
Extended Colorimetry: N/A
RGB YCC Indicator: N/A
Color Depth: N/A
Pixel Packing Phase: N/A
Performing the Capture
p-scope> clean // clean out extraneous log files.
p-scope> pcap vchk enable // check video so that the 980 will not initiate a
capture unless video is present.
p-scope> pcap size 6.483 // set capture buffer size to 6.483% (116.17MB).
Capture buffer size 116.17MB
Note: Setting the proper capture buffer is very important and varies per test. The following table will help you
determine what capture buffer setting to use for each test. Please note that the percentages shown in the table to
achieve a required buffer size assume the 980 Protocol Analyzer module has 2GB memory. Recently the 980
Protocol Analyzer module has been enhanced to support 4GB of memory.
Resulting/Required buffer size
7-18 – Extended Control Period
7-21 – Minimum Format Support
7-22 – Additional Format Support
7-23 – Pixel Encoding RGB
7-24 – Pixel Encoding YcbCr
7-25 – Video Format Timing
7-30 – Audio Sample Packet Jitter
7-32 – Audio Sample Packet Layout
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