[FFmpeg-devel] libavutil/encryption_info: Allow multiple init info.
modmaker at google.com
Fri Apr 27 20:33:18 EEST 2018
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.
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