tree 5632f2a5349496b4c13e5cb1d531ae26346764f5
parent ccc80504e7a2490620565ae7da79b6884ac17748
author David Turner <david.turner@argondesign.com> 1542650040 +0000
committer David Turner <david.turner@argondesign.com> 1542730000 +0000

Remove idx from RefBuffer, use ptr instead

Instead of a RefBuffer storing its index in the array of buffers, store
a pointer to its RefCntBuffer.  This avoids storing redundant
information and in future can be replaced with a smart pointer for added
safety.

A number of attributes related to reference buffers are currently stored
as arrays with indices corresponding to the reference buffer array.
This commit also moves all of these to inside of the RefCntBuffer.

Also, rename RefCntBuffer.cur_frame_offset to order_hint.

This forms part of wider restructuring and refactoring in order to
achieve a clean API separation at the entry to the low-level encoder.

BUG=aomedia:2244

Change-Id: I10439f6d02c945433c6cc3d29e832f233be7b8be