tree af4fa10eccc321c8a313ac9247dde7fc0ff0b008
parent a934950d647a1f49b921287abd4837cd6f3df517
author Mufaddal Chakera <mufaddal.chakera@ittiam.com> 1585641145 +0530
committer Debargha Mukherjee <debargha@google.com> 1585929103 +0000

Optimize allocation of altref,util frame buffers

altref and util buffers are not used in the stats generation stage
(firstpass/LAP), however, those buffers are allocated memory.
Removed unneeded memory allocations to those buffers.

Observed memory footprint reduction in singlepass AOM_Q.

Resolution  Memory
            Single
            Thread
1920x1080   ~3.2%

Memory measuring command:
$ command time -v ./aomenc ...

Change-Id: Ia803f677fa2ce35ec567f1719e863cba758a3af6