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4 commits

Author SHA1 Message Date
Andreas Rheinhardt
cc0a4fa630 avcodec/vbn(dec|enc): Avoid always-false checks 
Do this by switching to bytestream2_(get|put)_le32u() from
bytestream2_(get|put)_le32(); it has after all already been checked
that the packet contains at least a full header, making all
the implicit checks in bytestream2_(get|put)_le32() dead code.

Reviewed-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2022-04-13 00:36:57 +02:00
Andreas Rheinhardt
300dd79c3d avcodec/vbn(dec|enc): Avoid leaving stale pointers in context 
Therefore move the (Get|Put)ByteContext from the context to the stack.
It is transient anyway.

Reviewed-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2022-04-13 00:36:39 +02:00
Andreas Rheinhardt
81b6a10937 avcodec/vbn(dec|enc): Remove empty close function 
Reviewed-by: Marton Balint <cus@passwd.hu>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2022-04-13 00:25:36 +02:00
Marton Balint
013d774e22 avcodec/vbndec: add VBN decoder 
Add support for decoding Vizrt Binary Image (VBN) files.

LZW-compressed data is not supported yet.

Signed-off-by: Marton Balint <cus@passwd.hu>
 2022-04-10 20:12:23 +02:00