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Vp9: Speed 8 aq-mode=3: Reduce computation in estimating bits per mb.
authorMarco <marpan@google.com>
Wed, 15 Feb 2017 17:18:34 +0000 (09:18 -0800)
committerMarco <marpan@google.com>
Wed, 15 Feb 2017 17:28:16 +0000 (09:28 -0800)
commit716c1d5ff512135577ba80d336f0c572c987db21
tree4daa60d3b4ca282ab0b0fcd644278509bdbdb045tree | snapshot
parentccada0636b6783598af4f6a35d90b13b6b5d39b3commit | diff
Vp9: Speed 8 aq-mode=3: Reduce computation in estimating bits per mb.

vp9_compute_qdelta_by_rate has almost 2% overhead in profiling on Nexus 6.
Reduce the calling of that function in speed 8 by estimating the delta-q.
Both rtc and rtc_derf show little/no change in avg psnr/ssim.
Encoding speed is 2~3% faster on Nexus 6.

Change-Id: If25933715783f31104a18a5092ea347b1221b5f5
vp9/encoder/vp9_aq_cyclicrefresh.c diff | blob | history
Domain: Multimedia / Codec;