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master: 82%

Ran 03 Jul 2026 12:56PM UTC

Files 193

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Committed 03 Jul 2026 12:54PM UTC coverage: 83.516% (+0.03%) from 83.489%

Job # 28661965600.1

Build Type

Pull #520

github

Committed by

tobbee

Commit Message

fix: make CENC fragment encryption CMAF-conformant

- cenc with an 8-byte input IV now produces 8-byte per-sample IVs
  (tenc.DefaultPerSampleIVSize=8, +1 per sample per CENC 9.2), the
  size CMAF 8.2.3.1 requires; 16-byte IVs keep the old behavior
- omit senc/saiz/saio when a fragment has no sample auxiliary
  information (cbcs constant-IV full-sample), per CMAF 8.2.2.1, and
  accept such fragments in DecryptFragment
- keep SencBox subsample entries aligned with the sample index so
  mixed fragments encode a zero subsample count instead of panicking;
  saiz sizes now match the senc layout, uniform sizes collapse into
  default_sample_info_size, and AddSampleInfo returns an error for
  sizes above 255 instead of panicking
- protect-range functions return an all-clear entry for degenerate
  samples so senc/saiz stay consistent within a fragment

Pull Request Pull Request #520: fix: make CENC fragment encryption CMAF-conformant

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21594 of 25856 relevant lines covered (83.52%)

0.93 hits per line

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master: 82%

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