21.214496-12/Cor1 21.2.1Topics -
Corrigendum Items
21.2.2XXXXX Antalya Resolution
The Systems sub-group notes that the following technologies in the file format standard, which have been specified for a number of years, have neither conformance files nor reference software. The Systems sub-group is considering removing these technologies by corrigendum. Those wishing to preserve these functionalities are urged to contribute conformance files and reference software, or provide other reasons why the technologies should remain.
In 14496-12 (ISO Base Media File Format):
8.41 Sample scale box
8.42 Sub-sample information
8.43 Progressive Download Information
8.37, 8.38, 8.39 Fragment Random Access
8.45.3 IPMP Protected streams
8.45.4 IPMP Control
In 14496-14, MP4 file format:
IPIR Track reference
In 14496-15, AVC File Format
AVC layering groups
AVC separate parameter set stream
AVC switch tracks
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