[FFmpeg-devel] libavutil/encryption_info: Allow multiple init info.

[Jacob Trimble]

On Fri, Apr 27, 2018 at 10:33 AM, Jacob Trimble <modmaker at google.com> wrote:
> On Mon, Apr 23, 2018 at 11:03 AM, Jacob Trimble <modmaker at google.com> wrote:
>> While integrating my encryption info changes, I noticed a problem with
>> the init info structs.  I implemented them as side-data on the Stream.
>> But this means there can only be one per stream.  However, there can
>> be multiple 'pssh' atoms in a single stream (e.g. for key rotation or
>> multiple key systems). (sorry for not noticing sooner)
>>
>> Attached is a patch to fix this by making the init info a
>> singly-linked-list.  It is ABI compatible and is still easy to use and
>> understand.  The alternative would be to break ABI and have the
>> side-data methods return an array of pointers.  I could do that
>> instead if that is preferable.
>
> Ping

Noticed a bug, fixed.
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