st2101: initial implementation

[bradh]

Motivation and Context

ST 2101 is way to embed the MIIS Core Identifier into the video frame (i.e. SEI message, rather than KLV metadata elementary stream), mainly intended to handle the case where video and metadata get partitioned (e.g. for a HLS/DASH/CMAF encoding).

We have an open task (#273) to add support for that, and it is partly completed. This provides the remaining work.

Description

Adds selective coding (e.g. this doesn't appear to play well with x265 encoder in ffmpeg), and viewer support to display it over in the metadata tree.

I'm not entirely sure about the viewer support. It seems like a hack because of the metadata vs video interfaces. On the other hand, it is handy to see the information in the same way in the same area.

How Has This Been Tested?

Unit tests.

Generated sample data using generator example, viewed it in the viewer.

Screenshots (if appropriate):

Note new MIIS entry in lower right:

That also works for the ST 0604 SEI message, although this test sample doesn't have ST 2101 data:

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

Merging #399 (d6b2b3e) into 2.x (8cb2d63) will decrease coverage by 0.12%.
The diff coverage is 51.06%.

@@             Coverage Diff              @@
##                2.x     #399      +/-   ##
============================================
- Coverage     91.19%   91.07%   -0.13%     
- Complexity     5611     5623      +12     
============================================
  Files           609      610       +1     
  Lines         14793    14839      +46     
  Branches       1382     1387       +5     
============================================
+ Hits          13491    13515      +24     
- Misses         1267     1289      +22     
  Partials         35       35              

Flag	Coverage Δ
unittests-api	98.42% <60.71%> (-0.57%)	⬇️
unittests-api-ffmpeg	16.14% <36.84%> (+0.28%)	⬆️
unittests-awt	100.00% <ø> (ø)
unittests-core	98.49% <ø> (ø)
unittests-geoid	100.00% <ø> (ø)
unittests-mimd	97.24% <ø> (ø)
unittests-st0601	99.05% <ø> (ø)
unittests-st0602	99.08% <ø> (ø)
unittests-st0805	99.17% <ø> (ø)
unittests-st0808	99.08% <ø> (ø)
unittests-st0809	99.11% <ø> (ø)
unittests-st1108	99.66% <ø> (ø)
unittests-st1206	99.59% <ø> (ø)
unittests-st1301	98.91% <ø> (ø)
unittests-st1403	100.00% <ø> (ø)
unittests-st1601	100.00% <ø> (ø)
unittests-st1602	100.00% <ø> (ø)
unittests-st1603	98.03% <ø> (ø)
unittests-st1909	99.65% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...in/java/org/jmisb/api/video/VideoDecodeThread.java	0.00% <0.00%> (ø)
.../src/main/java/org/jmisb/api/video/VideoInput.java	7.93% <0.00%> (-0.13%)	⬇️
...src/main/java/org/jmisb/api/video/VideoOutput.java	0.00% <0.00%> (ø)
...main/java/org/jmisb/api/klv/st0603/TimeStatus.java	75.55% <0.00%> (-24.45%)	⬇️
.../java/org/jmisb/api/video/CodecConfigurations.java	100.00% <100.00%> (ø)
.../src/main/java/org/jmisb/api/video/VideoFrame.java	100.00% <100.00%> (ø)
.../java/org/jmisb/api/klv/st1204/CoreIdentifier.java	97.88% <100.00%> (+0.01%)	⬆️
...java/org/jmisb/api/klv/st2101/ST2101Converter.java	100.00% <100.00%> (ø)

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