commit 48c06da2d08adffcd579ce0ed68d2e81f5af46eb
author Angie Chiang <angiebird@google.com> Wed Dec 07 23:05:02 2016 -0800
committer Yaowu Xu <yaowu@google.com> Fri Dec 09 18:13:32 2016 +0000
tree 8d95a35ba254ffe2061d005b190291fd9f42363e
parent 54e2451764c3f8c5ae38d176ab75a437c3f93b4d

Remove saturate_int16 from fdct_round_shift

1) Not every transform's internal signal is designed to fit in 16 bits.
2) If overflow happens in this function, it indicates that we need to
adjust the txfm's scaling. We shouldn't mute the overflow signal.
3) Saturation might be handy when all of our transform design are stable,
but I don't think we are at the stable point yet.
4) This will fix C/Trans16x16DCT.AccuracyCheck/1 failure in highbd mode.

Change-Id: I5ef5d130c22adb4b8c3b608ffcb0f2c99dc7523f