Using audio_substream_id for AVStream ids is not ideal give that in containers
like mp4, the IAMF structure is opaque to the outside and other streams may
share such id values.
Signed-off-by: James Almer <jamrial@gmail.com>
When subblock durations are constant, the last block may be smaller and the
value needs to be calculated.
Signed-off-by: James Almer <jamrial@gmail.com>
Section 3.6.1 of the IAMF spec states "When constant_subblock_duration is equal to 0, the summation of all
subblock_duration in this parameter block SHALL be equal to duration.".
Signed-off-by: James Almer <jamrial@gmail.com>
There are lots of files that don't need it: The number of object
files that actually need it went down from 2011 to 884 here.
Keep it for external users in order to not cause breakages.
Also improve the other headers a bit while just at it.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
