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authorAndreas Rheinhardt <andreas.rheinhardt@gmail.com>2019-05-17 00:30:06 +0200
committerJames Almer <jamrial@gmail.com>2019-07-16 16:16:58 -0300
commitc1abd95ad0964ff7295fa38af564f2dea1a3b314 (patch)
tree7f4a342710b37579ef094cbd13345bb4a1f01209 /tests/ref/fate/filter-stereo3d-sbsl-sbsr
parenta3db9f62a42a8e5365de67722ecfac7065a70699 (diff)
downloadffmpeg-c1abd95ad0964ff7295fa38af564f2dea1a3b314.tar.gz
avformat/matroskadec: Link to parents in syntax tables
By linking to the syntax of the parent (i.e. the containing master element) one can check whether an element is actually part of a higher level in the EBML hierarchy. Knowing this is important for unknown-length levels, because they end when an element that doesn't belong to this, but to a higher hierarchy level is encountered. Sometimes there are different syntaxes dealing with the same elements. In this case it is important to use a parent that contains all the elements at the parent level; whether this is the syntax actually used to enter the child's level is irrelevant. This affects the list of level 1 elements (which has been used as parent for matroska_cluster, too) and it affects recursive elements (currently only the SimpleTag), where the non-recursive parent has to be choosen. This is in preparation for a patch that redoes level handling. Finally, the segment id has been added to ebml_syntax. This will enable handling of unknown-length EBML headers. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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