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0275W - AVC Decoding Delay
published
0275W v2.0
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AVC DECODING DELAY
AVC Decoding Delay
User Profile
Matches Requirements
Mismatch (Value)
https://qc.ebu.io/items/0275W/versions/2-0-0/
Check
Report
Summary
EBU QC Id
0275W
Name
AVC Decoding Delay
Status
published
Category
absolute
Lead editor
Jens SCHNEEWEISS
Aliases
Tags
MXF MXF-only
Versions
Version Status Edition date Saved by Note
Details
Description
Specifies the delay required for decoded pictures in number of access units. The value is given by the presentation time of the first presented picture in a GOP minus the decoding time of the first decoded picture in the GOP. The value shall be set to zero if there are no B Pictures in the essence stream. The value shall be set to FFh if the delay is unknown.
Definition
Used in Checks, the system shall read out the AVC Decoding Delay indicated in the wrapper metadata and check if it matches with the expected one specified in the input. Optionally the system may report the value.

Used in Reports, the system shall read out the AVC Decoding Delay indicated in the wrapper metadata and report it.
References
Examples

  • Input: "AVC Decoding Delay Expected"=0
    Output: "Check Result" = true
    Output: "AVC Decoding Delay Read Out" = 0

    Remark: Used as a Check.

  • Input: -
    Output: "AVC Decoding Delay Read Out" = 0

    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 is a readout only and includes no measurement.

This metadata element is a required metadata element. If the partition status signals "open", the search shall be continued until a closed partition is found. If no closed partition is found, the value of the last open partition shall be used.
User discussions
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