Figure out I-Frame, P-Frame or B-Frame

Using SDTP box

Hierarchy

moov > trak > mdia > minf > stbl > sdtp

or

moof > traf > sdtp

Syntax

is_leading

• 0: unknown
• 1: a leading sample that has a dependency before the referenced I-Picture and therefore NOT decodable
• 2: not a leading sample
• 3: a leading sample that has no dependency before the referenced I-Picture, and therefore decodable

sample_depends_on

• 0: unknown
• 1: NOT an I-Picture. This sample depends on others, therefore
• 2: I-Picture. does not depends on others.
• 3: reserved

sample_is_depended_on

• 0: unknown
• 1: NOT DISPOSABLE. Another sample depends on this
• 2: DISPOSABLE. no other sample depends on this
• 3: reserved

sample_has_redundancy

• 0: unknown
• 1: there is redundant coding in this sample
• 2: there is NO redundant coding in this sample
• 3: reserved