| Commit message (Collapse) | Author | Age | Files | Lines |
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Deletes both filler NAL units and filler SEI messages. (Annex B zero_bytes
between NAL units are already discarded by the read/write process.)
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This should be added even if the first access unit does not contain
parameter sets.
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This makes it easier for users of the CBS API to get alloc/free right -
all subelements use the buffer API so that it's clear how to free them.
It also allows eliding some redundant copies: the packet -> fragment copy
disappears after this change if the input packet is refcounted, and more
codec-specific cases are now possible (but not included in this patch).
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... instead of making callers allocate it themselves. This is more
consistent with other APIs in libav.
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Whether the udu string should be freed depends on whether the SEI it
gets added to was created internally by cbs or externally by the bsf.
The current code frees it twice in the former case.
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This is able to modify some header metadata found in the SPS/VUI,
and can also add/remove AUDs and insert user data in SEI NAL units.
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