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0161W - Essence Offset Positions
published
0161W v2.0
Item image
ESSENCE OFFSET POSITIONS
DisplayXOffset, DisplayYOffset, ...
User Profile
Meets Requirements
Expected/Unexpected Values
https://qc.ebu.io/items/0161W/versions/2-0-0/
Check
Report
Summary
EBU QC Id
0161W
Name
Essence Offset Positions
Status
published
Category
absolute
Lead editor
Jens SCHNEEWEISS
Aliases
DisplayXOffset DisplayYOffset DisplayF2Offset SampledXOffset SampledYOffset StoredF2Offset
Tags
MXF MXF-only
Versions
Version Status Edition date Saved by Note
Details
Description
Specifies the offsets of the displayed/sampled image relative to the sampled/stored image in pixels or Topness Adjustment for the displayed or stored picture.
Definition
Used in Checks, the system shall read out the essence offset positions indicated in the wrapper metadata and check against the expected offset positions. Optionally it may report the value of the offset positions.

Used in Reports, the system shall read out the essence offset positions indicated in the wrapper metadata and report them.


References
Examples

  • Input: "Display X Offset Expected" = 0
    Input: "Display Y Offset Expected" = 0
    Output: "Check Result" = true
    Output: "Display X Offset" = 0
    Output: "Display Y Offset" = 0

    Remark: Used as a Check

  • Input: None
    Output: "Sampled X Offset" = 0
    Output: "Sampled Y Offset" = 0
    Output: "Display X Offset" = N/P
    Output: "Display Y Offset" = N/P
    Output: "Stored F2 Offset" = N/P
    Output: "Display F2 Offset" = N/P

    Remark: Used as a Report

Input parameters
Name Default value Description Data model name Unit Locator
Output parameters
Name Alias Description Data model name Unit Locator
Test material
Title Version Download
Remarks
Remarks
This test covers several metadata items: DisplayXOffset, DisplayYOffset, DisplayF2Offset, SampledXOffset, SampledYOffset, StoredF2Offset.
User discussions
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